1 2006-12-23 Jan Hubicka <jh@suse.cz>
3 * toplev.c (dump_memory_report): Break out from...
5 * toplev.h (dump_memory_report): Declare.
6 (cmp_statistic): Rename to ...
7 (final_cmp_statistic): ... this one
9 (dump_ggc_loc_staitsitcs): New FINAL parpameter.
10 * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
11 * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
13 * cgraphunit.c (cgraph_optimize): Dump the memory reports.
15 2006-12-22 Mike Stump <mrs@apple.com>
17 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
18 -mmacosx-version-min=10.4.
19 (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
21 2006-12-23 Jan Hubicka <jh@suse.cz>
23 * tree-flow-inline.h (var_ann): External variable annotations are
25 (tree_common_ann): Handle correctly unshared variables annotations.
26 * tree-dfa.c (create_var_ann): External variable annotations are
29 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
31 * basic-block.h: Remove the prototype for
32 commit_edge_insertions_watch_calls.
33 * cfgrtl.c (commit_edge_insertion): Drop the last argument.
35 (commit_edge_insertions_watch_calls): Remove.
36 (commit_edge_insertions): Adjust the call to
37 commit_one_edge_insertion.
39 2006-12-22 Zdenek Dvorak <dvorakz@suse.cz>
41 * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
42 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
43 assert_no_overflow_lt, assert_loop_rolls_lt,
44 number_of_iterations_lt, number_of_iterations_le,
45 number_of_iterations_cond, tree_simplify_using_condition_1,
46 number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
47 implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
48 idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
49 Do not use zero_p/nonzero_p.
50 * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
51 * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
52 find_interesting_uses_op, find_interesting_uses_cond,
53 find_interesting_uses_address, find_interesting_uses_stmt,
54 strip_offset_1, add_candidate_1, add_old_ivs_candidates,
55 difference_cost, determine_use_iv_cost_condition,
56 rewrite_use_compare, remove_unused_ivs): Ditto.
57 * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
58 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
59 * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
60 * tree.h (zero_p): Declaration removed.
61 (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
63 2006-12-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
66 * c.opt (Wclobbered): New.
67 * doc/invoke.texi (Wclobbered): Document it.
68 (Wextra): Enabled by -Wextra.
69 * c-opts.c (c_common_post_options): Enabled by -Wextra.
70 * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
71 * function.c (setjmp_vars_warning): Only warn for Wclobbered.
72 (setjmp_args_warning): Likewise.
74 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
76 * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
77 tree-ssa-ter.c: Fix comment typos.
79 2006-12-22 Paolo Bonzini <bonzini@gnu.org>
81 PR rtl-optimization/29840
83 * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
84 (fwprop_init): Add DF_HARD_REGS to df_init call.
86 2006-12-21 Andrew Pinski <pinskia@gmail.com>
88 * tree-nested.c (create_tmp_var_for): Check for vector type
89 when setting DECL_GIMPLE_REG_P.
91 2006-12-21 Roger Sayle <roger@eyesopen.com>
93 * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
94 as the else branch of a COND_EXPR.
96 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
98 * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
99 output.h, toplev.c, tree-affine.h, tree-flow.h,
100 tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
101 tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
102 tree-vrp.c, varpool.c: Fix comment typos.
104 * cgraphunit.c, varpool.c: Fix comment typos.
106 2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
108 * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
109 * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
110 for insn setting up the frame pointer. Do not set it for insns
111 setting up scratch registers or storing the backchain.
113 2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
116 * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
117 are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
118 * configure: Regenerate.
120 2006-12-21 Joseph Myers <joseph@codesourcery.com>
122 * rtlanal.c (subreg_get_info): Do not make register size
123 computations for mode sizes not divisible by the number of
126 2006-12-21 Daniel Berlin <dberlin@dberlin.org>
128 * tree-ssa-structalias.c (build_constraint_graph): Insert complex
129 offsetted constraints into rhsvar, not lhsvar.
131 2006-12-21 Jakub Jelinek <jakub@redhat.com>
135 * tree-nested.c (walk_asm_expr): New function.
136 (walk_stmts): Use it for ASM_EXPR.
139 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
142 2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
146 * reload1.c (reload): Realign stack after it changes size.
148 2006-12-20 Roger Sayle <roger@eyesopen.com>
150 * simplify-rtx.c (simplify_subreg): Use the correct mode when
151 determining whether a SUBREG of a CONCAT refers to the first or
154 2006-12-21 Ben Elliston <bje@au.ibm.com>
156 * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
159 2006-12-20 Jan Hubicka <jh@suse.cz>
161 * tree-dfa.c (add_referenced_var): Walk initializers of
162 non-constant/readonly static vars.
164 2006-12-20 Jan Hubicka <jh@suse.cz>
166 * tree-flow-inline.h (gimple_var_anns): New function.
167 (var_ann): Use hashtable for static functions.
168 * tree-dfa.c (create_var_ann): Likewise.
169 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
170 (init_tree_ssa): Initialize var anns.
171 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
172 * tree-flow.h (struct static_var_ann_d): New structure.
173 (gimple_df): Add var_anns.
175 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
178 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
179 begin with the configured prefix.
181 2006-12-20 Jan Hubicka <jh@suse.cz>
184 * i386.c (expand_setmem_epilogue): Fix formating.
185 (dsmalest_pow2_greater_than): New function.
186 (ix86_expand_movmem): Improve comments; avoid re-computing of
188 (promote_duplicated_reg_to_size): Break out from ...
189 (expand_setmem): ... this one; reorganize promotion code;
190 improve comments; avoid recomputation of epilogue size.
192 2006-12-20 Andrew Pinski <pinskia@gmail.com>
195 * omp-low.c (init_tmp_var): New function.
196 (save_tmp_var): New function.
197 (lower_omp_1): Use them for VAR_DECL.
199 2006-12-20 Andrew Pinski <pinskia@gmail.com>
201 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
202 CONSTRUCTORs as min invariants.
204 2006-12-20 Joseph Myers <joseph@codesourcery.com>
206 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
208 (subreg_regno_offset, subreg_offset_representable_p): Change to
209 wrappers about subreg_get_info.
210 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
211 * rtl.h (subreg_nregs): Declare.
212 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
214 * caller-save.c (mark_set_regs, add_stored_regs): Use
216 * df-scan.c (df_ref_record): Use subreg_nregs.
217 * flow.c (mark_set_1): Use subreg_nregs.
218 * postreload.c (move2add_note_store): Use subreg_nregs.
219 * reload.c (decompose, refers_to_regno_for_reload_p,
220 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
221 * resource.c (update_live_status, mark_referenced_resources,
222 mark_set_resources): Use subreg_nregs.
224 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
226 * loop-unswitch.c (unswitch_loop): Update arguments of
227 duplicate_loop_to_header_edge call.
228 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
229 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
230 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
232 * cfgloopmanip.c (loop_version): Ditto.
233 (duplicate_loop_to_header_edge): Change
234 type of to_remove to VEC(edge), remove n_to_remove argument.
235 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
236 Change type of to_remove to VEC(edge), remove n_to_remove argument.
237 (tree_unroll_loop): Update arguments of
238 tree_duplicate_loop_to_header_edge call.
239 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
240 Change type of to_remove to VEC(edge), remove n_to_remove argument.
241 * cfghooks.h (struct cfg_hooks): Type of
242 cfg_hook_duplicate_loop_to_header_edge changed.
243 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
244 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
245 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
247 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
249 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
250 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
251 (vec_widen_smult_lo_v8hi): New.
252 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
253 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
254 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
256 2006-12-20 Jan Hubicka <jh@suse.cz>
258 * cgraph.c: Update overall comment; fix vertical spacing.
259 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
261 2006-12-20 Jan Hubicka <jh@suse.cz>
263 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
265 (varpool_first_static_initializer, varpol_next_static_initializer): New
267 * ipa-reference.c (analyze_variable): Simplify.
268 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
269 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
271 2006-12-19 Andrew Pinski <pinskia@gmail.com>
274 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
277 2006-12-20 Ben Elliston <bje@au.ibm.com>
279 * doc/invoke.texi (Optimize Options): Typo fix.
281 2006-12-19 Eric Christopher <echristo@apple.com>
283 * config/darwin.c (machopic_select_section): Rewrite.
284 (darwin_text_section): New.
285 (darwin_rodata_section): Ditto.
286 (darwin_mergeable_string_section): Ditto.
287 (darwin_mergeable_constant_section): Ditto.
288 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
290 2006-12-19 Steve Ellcey <sje@cup.hp.com>
292 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
294 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
297 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
298 (STAGE1_CHECKING_CFLAGS): ... this.
300 2006-12-18 Andrew Pinski <pinskia@gmail.com>
303 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
304 READONLY on __builtin_altivec_mask_for_load instead of adding
307 2006-12-18 Roger Sayle <roger@eyesopen.com>
308 Eric Christopher <echristo@apple.com>
311 * real.c (real_maxval): Correctly handle IBM extended double format.
313 2006-12-19 Jan Hubicka <jh@suse.cz>
315 * expmed.c (expand_mult_const): Force operand to constant.
316 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
317 copy_rtx to arguments.
319 2006-12-19 Ben Elliston <bje@au.ibm.com>
321 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
323 2006-12-19 Ben Elliston <bje@au.ibm.com>
325 * cse.c (cse_insn): Fix formatting.
327 2006-12-18 Geoffrey Keating <geoffk@apple.com>
329 * doc/invoke.texi (Debugging Options): Document -g0.
330 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
331 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
333 2006-12-18 Ian Lance Taylor <iant@google.com>
335 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
336 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
339 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
341 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
342 (struct vuse_optype_d): Delete.
343 (SSA_OPERAND_MEMORY_SIZE): Delete.
344 (struct ssa_operand_memory_d): Change mem array to size one.
345 (NUM_VOP_FREE_BUCKETS): Define.
346 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
347 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
348 * tree-pretty-print.c (dump_vops): Use voptype_d type.
349 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
350 which fit into a chunk of memory from a specific bucket.
351 (vop_free_bucket_index): New. Find correct size memory bucket.
352 (init_vop_buckets): New. Initialize VOP free memory buckets.
353 (add_vop_to_freelist): New. Add a VOP to the correct free list.
354 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
355 (init_ssa_operands): Initialize operand memory and free lists.
356 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
357 (ssa_operand_alloc): Use graduated size memory allocation.
358 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
359 INITIALIZE_USE): Remove.
360 (alloc_vop): New. Allocate a virtual operand.
361 (alloc_vdef, alloc_vuse): Delete.
362 (add_def_op, add_use_op): Directly setup pointers.
363 (add_vop): New. Add a virtual operand.
364 (add_vuse_op, add_vdef_op): Call add_vop.
365 (realloc_vop): New. Reallocate a virtual operand.
366 (realloc_vdef, realloc_vuse): Call realloc_vop.
367 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
368 (finalize_ssa_defs): Optimize for common case, remove code based on
369 sorted pointers which was a waste of time.
370 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
371 (finalize_ssa_uses): Update last pointer.
372 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
373 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
374 directly manipulate pointers.
375 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
377 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
379 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
380 determine if memory operand is an indexed address or not.
382 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
384 * cselib.c (struct cselib_val_struct): Make val_rtx its
385 own field, remove the union that contained it.
386 * cselib.c: Update accordingly where necessary.
388 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
390 * cse.c (have_eh_succ_edges): New function.
391 (cse_insn): Don't remove dead EH edges here
392 (cse_extended_basic_block): Do it here.
393 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
394 that we have removed all dead edges.
396 2006-12-17 Matthias Klose <doko@debian.org>
399 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
401 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
403 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
404 (cse_extended_basic_block): When truncating a path while processing
405 it, make sure to clear the visited bit on the basic blocks in the
406 truncated part of the path.
407 (cse_main): Use reverse completion order, not DFS order, to walk
409 (gate_handle_cse): Revert erroneous commit of a counter.
411 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
413 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
414 variables, moved out from cse_insn.
415 (prev_insn): Remove this global variable).
416 (new_basic_block): Don't set it.
417 (cse_insn): Idem. Also, move code to delete unused CC0-setter
418 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
420 (cse_extended_basic_block): ...to here. Do not clear
421 prev_insn_cc0 until after recording equivalences from jumps.
423 2006-12-16 Jan Hubicka <jh@suse.cz>
425 * cgraphunit.c (ipa_passes): Clear current_function_decl.
427 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
429 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
431 2006-12-16 Jan Hubicka <jh@suse.cz>
433 * omp-low.c (expand_omp_parallel): Set function properties.
434 * function.h (struct function): Add curr_properties and last_verified.
435 * passes.c (register_dump_files): Do not set TODO_set_props for the
437 (init_optimization_passes): Set it here; reorder initialization so the
438 dump files appear in more logical order.
439 (last_verified, curr_properties): Kill.
440 (do_per_function): New function.
441 (execute_function_todo): Break out from ...
442 (execute_todo): ... here; handle per-function flags.
443 (clear_last_verified, verify_curr_properties,
444 update_properties_after_pass): New functions.
445 (execute_one_pass): Handle per-function properties.
446 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
447 and current_function_decls are cleared out.
448 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
451 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
454 * c.opt (Wempty-body): New.
455 * doc/invoke.texi (Wempty-body): Document it.
456 (Wextra): Enabled by -Wextra.
457 * c-opts.c (c_common_post_options): Enabled by -Wextra.
458 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
459 * c-parser.c (c_parser_c99_block_statement): Likewise.
461 2006-12-15 Jakub Jelinek <jakub@redhat.com>
464 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
467 2006-12-15 Andrew Pinski <pinski@gmail.com>
470 * tree-inline.c (setup_one_parameter): Gimplify the statement if
471 the variable is not a gimple register variable.
473 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
475 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
477 2006-12-14 Jan Hubicka <jh@suse.cz>
479 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
482 2006-12-14 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/30197
485 * builtins.c (fold_builtin_cexp): New function to fold cexp
486 to cexpi and exp parts.
487 * tree-ssa-pre.c (try_combine_conversion): Also handle
488 REALPART_EXPR and IMAGPART_EXPR.
490 2006-12-14 Richard Guenther <rguenther@suse.de>
493 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
494 + __complex__ ( 0, y ) to __complex__ ( x, y ).
495 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
497 2006-12-14 Richard Guenther <rguenther@suse.de>
499 PR tree-optimization/30198
500 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
501 Fold IMAGPART_EXPR of cexpi to sin.
503 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
504 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
506 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
507 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
509 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
510 (spu_builtin_mask_for_load): New.
511 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
512 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
513 (vec_realign_load_<mode>, spu_lvsr): New.
515 2006-12-13 Ian Lance Taylor <iant@google.com>
519 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
520 to warn_about_parentheses in c-common.c.
521 * c-common.c (warn_about_parentheses): New function.
522 * c-common.h (warn_about_parentheses): Declare.
523 * doc/invoke.texi (Warning Options): Update -Wparentheses
526 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
528 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
530 (constant_multiple_of): Fix order of operators for division.
531 (aff_combination_const, aff_combination_elt, aff_combination_scale,
532 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
533 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
534 aff_combination_to_tree): Moved to tree-affine.c and made to work with
535 double_int coefficients.
536 (get_computation_aff, get_computation_at): Work with double_int
538 (get_computation_cost_at): Do not use divide.
539 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
540 Assert that expressing the computation did not fail.
541 * tree-ssa-address.c: Include tree-affine.h.
542 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
543 create_mem_ref): Work with double_int coefficients.
544 * tree-affine.c: New file.
545 * tree-affine.h: New file.
546 * tree-flow.h (struct affine_tree_combination): Removed.
547 * Makefile.in (tree-affine.o): Add.
548 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
551 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
555 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
556 the offset == 0 "then" clauses.
557 * config/rs6000/predicates.md (gpc_reg_operand): Check for
560 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
562 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
563 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
564 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
565 (FRAME_POINTER_REGNUM): Update register number to 20.
566 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
567 (HI_REGISTER_NAMES): Remove "dirflag".
569 * config/i386/i386.c (regclass_map): Remove dirflag entry.
570 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
572 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
574 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
575 (sse_prologue_save, *sse_prologue_save_insn): Renumber
576 hardcoded SSE register numbers.
578 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
579 hardcoded MMX register numbers.
582 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
584 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
585 FLDMX. Rename function to...
586 (vfp_output_fldmd): ...this.
587 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
589 (vfp_output_fstmd): ...this.
590 (vfp_emit_fstmx): Don't leave space in the frame layout for the
591 FSTMX format word. Rename function to...
592 (vfp_emit_fstmd): ...this.
593 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
595 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
596 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
597 word. Also emit "vsave" assembler directives in such cases rather
599 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
600 gnu_Unwind_Save_VFP): Adjust comments.
601 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
602 for saving and restoring using FSTMD and FLDMD rather than
604 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
605 New functions for saving and restoring the VFPv3 registers 16 .. 31.
606 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
607 compilation case to correctly handle unwind opcode 0xc8 when using
609 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
610 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
611 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
612 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
614 (restore_non_core_regs): Restore registers using FLDMD rather than
615 FLDMX if required. Also handle restoration of VFPv3 registers.
616 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
617 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
618 including cases where the caller specifies a range of registers
619 that overlaps the d15/d16 boundary.
621 2006-12-13 Diego Novillo <dnovillo@redhat.com>
624 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
625 accomodate 511 operands.
627 2006-12-13 Richard Guenther <rguenther@suse.de>
629 * builtins.c (expand_builtin_cexpi): Fix typo.
631 2006-12-13 Jan Hubicka <jh@suse.cz>
633 * Makefile.in: Add dependencies.
634 * tree-pretty-print.c: Include value-prof.h
635 (dump_generic_bb_buff): Dump histograms
636 * value-prof.c: Include pointer-set.h
637 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
638 set_histogram_value, gimple_histogram_value,
639 gimple_add_histogram_value, gimple_remove_histogram_value,
640 gimple_histogram_value_of_type, dump_histogram_value,
641 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
642 gimple_duplicate_stmt_histograms, visit_hist,
643 verify_histograms): New functions.
644 (tree_value_profile_transformations): Update for new histogram API.
645 (tree_divmod_fixed_value): Update for new histogram API.
646 (tree_divmod_fixed_value_transform): Update for new histogram API.
647 (tree_mod_pow2): Update for new histogram API.
648 (tree_mod_pow2_value_transform): Update for new histogram API.
649 (tree_mod_subtract): Update for new histogram API.
650 (tree_mod_subtract_transform): Update for new histogram API.
651 (tree_stringops_transform): Update for new histogram API.
652 (tree_divmod_values_to_profile): Update for new histogram API.
653 (tree_stringops_values_to_profile): Update for new histogram API.
654 (tree_find_values_to_profile): Update for new histogram API.
655 * value-prof.h (gimple_histogram_value): Declare.
656 (gimple_histogram_value_of_type): Declare.
657 (gimple_add_histogram_value): Declare.
658 (gimple_remove_histogram_value): Declare.
659 (dump_histograms_for_stmt): Declare.
660 (gimple_remove_histogram_value): Declare.
661 (gimple_remove_stmt_histograms): Declare.
662 (gimple_duplicate_stmt_histograms): Declare.
663 (verify_histograms): Declare.
665 (struct funrction): Add value_histograms hash.
666 (VALUE_HISTOGRAMS): New macro.
667 * profile.c (compute_value_histograms): update for new API.
668 * tree-inline.c: Include value-prof.h
669 (copy_bb): Update histograms.
670 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
671 reorder to get smaller memory layout.
672 * tree-cfg.c: Include value-prof.h
673 (bsi_remove): Update histograms.
674 (bsi_replace): Update histograms.
675 (verify_stmts): Call histogram verifier.
676 (tree_duplicate_bb): Update histograms.
677 (move_block_to_fn): Update histograms.
679 2006-12-13 Richard Guenther <rguenther@suse.de>
681 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
683 (cgraph_decide_inlining): Likewise.
685 2006-12-13 Richard Guenther <rguenther@suse.de>
687 PR tree-optimization/17687
688 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
689 New builtins for imaginary argument cexp.
690 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
691 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
692 New required builtin types.
693 * builtins.c (expand_builtin_cexpi): Declare.
694 (mathfn_built_in): Handle BUILT_IN_CEXPI.
695 (expand_builtin_cexpi): New static helper.
696 (expand_builtin): Call it.
697 (do_mpfr_sincos): Adjust for CEXPI evaluation.
698 (fold_builtin_sincos): New function to fold sincos to cepxi.
700 2006-12-13 Richard Guenther <rguenther@suse.de>
702 * ipa-reference.c (scan_for_static_refs): Also scan
703 tcc_comparison class trees.
705 2006-12-12 David Daney <ddaney@avtrex.com>
707 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
710 2006-12-12 Andrew Pinski <pinskia@gmail.com>
712 * tree-vect-transform.c (vect_permute_load_chain):
713 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
716 2006-12-13 Sa Liu <saliu@de.ibm.com>
717 Ben Elliston <bje@au.ibm.com>
719 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
720 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
721 * config/spu/spu-protos.h (spu_c_common_override_options):
723 * config/spu/spu-c.c (spu_c_common_override_options): New.
724 * config/spu/spu.c (spu_override_options): Whitespace fix.
726 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
728 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
730 2006-12-12 Geoffrey Keating <geoffk@apple.com>
732 * mips-tdump.c: Replace CROSS_COMPILE with
733 CROSS_DIRECTORY_STRUCTURE.
734 * mips-tfile.c: Likewise.
736 * configure.ac: Likewise.
737 * cppdefault.c: Likewise.
738 * Makefile.in: Likewise.
739 * config/alpha/osf.h: Likewise.
740 * config/i386/cygwin.h: Likewise.
741 * config/i386/beos-elf.h: Likewise.
742 * config/i386/nto.h: Likewise.
743 * config/fr30/fr30.h: Likewise.
744 * config/svr4.h: Likewise.
745 * config/rs6000/aix.h: Likewise.
746 * config/rs6000/sysv4.h: Likewise.
747 * config/pa/pa64-hpux.h: Likewise.
748 * config/pa/pa-hpux10.h: Likewise.
749 * config/pa/pa-hpux11.h: Likewise.
750 * collect2.c: Likewise.
751 * configure: Regenerate.
753 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
754 actually takes an unsigned HOST_WIDE_INT for its second parameter.
756 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
758 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
759 (spu_encode_section_info): New.
760 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
761 (SYMBOL_FLAG_ALIGN1): New.
763 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
766 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
767 bitmap for EXECUTE_IF_SET_IN_BITMAP.
769 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
772 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
773 (DECL_GIMPLE_REG_P): This.
774 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
776 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
777 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
778 and check for VECTOR_TYPE.
779 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
781 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
783 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
784 and check for VECTOR_TYPE.
785 (gimplify_bind_expr): Likewise.
786 (gimplify_function_tree): Likewise.
787 * expmed.c: Include target.h.
788 (extract_bit_field): For vector mode, try find a better mode first.
789 If that fails use gen_lowpart (for vectors only).
790 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
791 and check for VECTOR_TYPE.
792 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
793 (insert_into_preds_of_block): Likewise.
794 (insert_fake_stores): Create gimple register store_tmps for
796 * tree-sra.c (sra_elt): New field, is_vector_lhs.
797 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
798 are the left hand side, set the element's is_vector_lhs to true.
799 (instantiate_element): For vector types which were on the left
800 hand size, set DECL_GIMPLE_REG_P to false.
801 * tree-nested.c (create_tmp_var_for): Use the renamed
803 * tree-inline.c (declare_return_variable): Use the renamed
804 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
805 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
806 (copy_result_decl_to_var): Likewise.
807 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
808 create a gimple register variable.
809 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
810 vect_inter_* temp variables.
811 * Makefile.in (expmed.o): Update dependencies.
813 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
815 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
816 the offset == 0 "then" clauses.
817 * config/rs6000/predicates.md (gpc_reg_operand): Check for
820 2006-12-12 Marcin Dalecki <martin@dalecki.de>
822 * doc/passes.texi: remove docs about "redundant PHI removal".
823 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
824 remove redundant pass_partition_blocks declaration.
826 2006-12-12 Andrew Macleod <amacleod@redhat.com>
828 PR tree-optimization/30159
829 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
830 functions in case a default_def coalesce is required.
832 2006-12-12 Jakub Jelinek <jakub@redhat.com>
835 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
837 * config/ia64/linux.h (CPP_SPEC): Define.
838 * config/s390/linux.h (CPP_SPEC): Define.
840 2006-12-12 Jim Wilson <wilson@specifix.com>
841 Jakub Jelinek <jakub@redhat.com>
843 PR rtl-optimization/27761
844 * combine.c (try_combine): Don't create a useless garbage SET
845 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
846 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
847 and use it to prevent accidental modification of i1src.
849 2006-12-12 Ira Rosen <irar@il.ibm.com>
851 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
852 for stores with gaps.
853 * tree-vect-transform.c (vect_permute_store_chain): Create
854 interleave_high or interleave_low according to the endianess.
856 2006-12-12 Richard Guenther <rguenther@suse.de>
859 * fold-const.c (fold_read_from_constant_string): Only fold read
860 from constant string if the result type is integer.
862 2006-12-12 Olivier Hainque <hainque@adacore.com>
864 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
866 2006-12-12 Olivier Hainque <hainque@adacore.com>
868 * config/vxlib.c: Extract tls related routines into ...
869 * config/vxlib-tls.c: New file.
870 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
872 2006-12-12 Sa Liu <saliu@de.ibm.com>
873 Ben Elliston <bje@au.ibm.com>
875 * config/spu/spu.opt (mfixed-range): New option.
876 * config/spu/spu.h (spu_fixed_range_string): Declare.
877 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
878 (fix_range): New function.
879 * doc/invoke.texi (SPU Options): Document -mfixed-range.
880 * testsuite/gcc.target/spu/fixed-range.c: New.
881 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
883 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
887 * cgraphunit.c (cgraph_optimize): Remove call to
888 process_pending_assemble_externals.
890 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
892 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
894 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
895 (ia64_hpux_add_extern_decl): Removed.
896 (ia64_hpux_file_end): Likewise.
897 (extern_func_list): Likewise.
898 (extern_func_head): Likewise.
900 * output.h (assemble_external): Update comments.
901 (default_elf_asm_output_external): New.
902 (maybe_assemble_visibility): New.
904 * toplev.c (compile_file): Update comment.
906 * varasm.c (assemble_external): Always put it on
907 pending_assemble_externals.
908 (maybe_assemble_visibility): Make it extern and return int.
909 (default_elf_asm_output_external): New.
911 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
913 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
914 can't handle the pointer arithmetic.
916 2006-12-11 Diego Novillo <dnovillo@redhat.com>
918 * doc/tree-ssa.texi: Update documentation for virtual operands
919 and the use of push_stmt_changes/pop_stmt_changes.
920 * doc/invoke.texi: Remove documentation for params
921 global-var-threshold.
922 Update documentation on max-aliased-vops.
924 * tree-into-ssa.c: Cleanup comments, variables and
925 spacing in various functions.
926 (regs_to_rename): Declare.
927 (mem_syms_to_rename): Declare.
928 (dump_update_ssa): Declare.
929 (debug_update_ssa): Declare.
930 (dump_names_replaced_by): Declare.
931 (debug_names_replaced_by): Declare.
932 (dump_def_blocks): Declare.
933 (debug_def_blocks): Declare.
934 (dump_defs_stack): Declare.
935 (debug_defs_stack): Declare.
936 (dump_currdefs): Declare.
937 (debug_currdefs): Declare.
938 (mark_def_sites): Do not handle virtual operands.
939 (compute_idf): Rename from find_idf. Update users.
940 (register_new_def): Make local. Convert second argument
942 Use BLOCK_DEFS_STACK directly.
943 If pushing a non-register, also push the underlying
945 (rewrite_stmt): Do not handle virtual operands.
946 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
947 dump_currdefs and dump_tree_ssa_stats.
948 (dump_tree_ssa_stats): Also dump REPL_TBL.
949 (replace_use): Remove. Update all users to call SET_USE
951 (rewrite_blocks): Move code to free memory to
953 (mark_def_site_blocks): Move initialization code to
955 (init_ssa_renamer): New.
956 (fini_ssa_renamer): New.
957 (rewrite_into_ssa): Call them.
958 (prepare_block_for_update): Process SSA_OP_ALL_USES first
959 and SSA_OP_ALL_DEFS later. Do not process virtual
961 (dump_update_ssa): Call dump_decl_set.
962 (init_update_ssa): Initialize regs_to_rename and
964 Call init_ssa_renamer.
965 (delete_update_ssa): Call fini_ssa_renamer.
966 Free blocks_with_phis_to_rewrite.
967 (mark_sym_for_renaming): If the variable has
968 sub-variables, also mark them.
969 If the variable belongs to a partition, also mark it.
970 (mark_set_for_renaming): Call mark_sym_for_renaming on
971 every symbol in the set.
972 (switch_virtuals_to_full_rewrite): Call
973 mark_set_for_renaming.
974 (update_ssa): Separate syms_to_rename into regs_to_rename
975 and mem_syms_to_rename.
977 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
978 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
979 (debug_generic_stmt): Likewise.
980 (debug_tree_chain): Likewise.
982 (dump_generic_node): Check for TDF_MEMSYMS.
983 Handle MEMORY_PARTITION_TAG.
984 If the statement references memory and TDF_MEMSYMS is
985 given, call dump_symbols.
986 Indicate default names with (D).
987 (dump_vops): Update for new virtual operator format.
989 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
990 tree_contains_struct.
991 (tree_code_size): Handle MEMORY_PARTITION_TAG.
992 (tree_node_structure): Likewise.
993 (needs_to_live_in_memory): Handle SSA names.
994 * tree.h (MTAG_P): Likewise.
995 (struct tree_memory_partition_tag): Declare.
996 (MPT_SYMBOLS): Define.
997 (union tree_node): Add field 'mpt'.
998 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
999 * tree.def (MEMORY_PARTITION_TAG): Define.
1001 * tree-pass.h (TDF_MEMSYMS): Define.
1003 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1005 * tree-ssa-alias.c: Include pointer-set.h
1006 (struct alias_map_d): Remove fields total_alias_vops,
1007 grouped_p and may_aliases. Update all users.
1008 (struct mp_info_def): Declare.
1009 (mp_info_t): New type.
1010 (get_smt_for): Rename from get_tmt_for. Update all
1012 (add_may_alias): Add argument ALREADY_ADDED. If given,
1013 use it to avoid adding duplicate entries to alias sets.
1014 (replace_may_alias): Remove. Update all users.
1015 (total_alias_vops_cmp): Remove. Update all users.
1016 (group_aliases_into): Remove. Update all users.
1017 (tree_pointer_compare): Remove. Update all users.
1018 (compact_name_tags): Remove. Update all users.
1019 (group_aliases): Remove. Update all users.
1020 (mark_non_addressable): Move from tree-flow-inline.h.
1021 Remove the symbol from the partition holding it, if
1023 (dump_mp_info): New.
1024 (debug_mp_info): New.
1025 (sort_mp_info): New.
1026 (create_partition_for): New.
1027 (rewrite_alias_set_for): New.
1028 (compute_memory_partitions): New.
1029 (compute_may_aliases): Call it.
1030 (init_alias_info): If computing aliases for the first
1031 time, mark every memory symbol for renaming.
1032 (have_common_aliases_p): New.
1033 (compute_flow_insensitive_aliasing): Call it.
1034 (setup_pointers_and_addressables): Do not cache
1035 num_referenced_vars.
1036 For register promoted symbols, mark their former
1037 partition for renaming.
1038 (maybe_create_global_var): Only create .GLOBAL_VAR if
1039 there are no call-clobbered variables and a mix of pure
1040 and non-pure functions were found.
1041 (may_alias_p): Tidy comments.
1042 (create_tag_raw): Remove unused variable new_type.
1043 (dump_alias_info): call dump_memory_partitions.
1044 (dump_points_to_info_for): Call dump_decl_set.
1045 (may_be_aliased): Tidy comments and formatting.
1047 * timevar.def (TV_MEMORY_PARTITIONING): Define.
1048 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1049 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
1051 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1052 * tree-vect-transform.c (vect_transform_loop): Call
1053 mark_set_for_renaming with vect_memsyms_to_rename.
1054 * tree-flow-inline.h (zero_imm_uses_p): New.
1055 (memory_partition): New.
1056 (set_memory_partition): New.
1057 (factoring_name_p): New.
1058 (symbol_mem_tag): New. Update every function that used
1059 to access the annotation directly.
1060 (set_symbol_mem_tag): Likewise.
1062 * tree-ssa-copy.c (may_propagate_copy): Allow copies
1063 between a partition and a symbol as long as the symbol
1064 belongs to the partition.
1065 (merge_alias_info): Ignore merge requests when memory
1066 partitions are involved.
1068 * tree-ssa.c (verify_ssa_name): Check that default
1069 definitions have empty defining statements.
1070 (verify_use): Remove argument IS_VIRTUAL.
1071 Don't call verify_ssa_name.
1072 (verify_phi_args): Call verify_ssa_name.
1073 (verify_flow_insensitive_alias_info): Handle MPTs.
1074 (verify_flow_sensitive_alias_info): Likewise.
1075 (verify_name_tags): Likewise.
1076 (verify_call_clobbering): Likewise.
1077 (verify_ssa): Check for VOPs only after aliasing
1078 information is available.
1079 Check virtuals and real operands separately.
1080 Call verify_ssa_name on every operand.
1081 (stmt_references_memory_p): Move to tree-ssa-operands.c.
1082 (walk_use_def_chains_1): Guard against NULL PHI
1085 * tree-ssa-operands.c (stmt_references_memory_p): Move from
1088 (dump_memory_partitions): New.
1089 (debug_memory_partitions): New.
1091 * tree-flow.h (struct var_ann_d): Add field mpt.
1092 (struct stmt_ann_d): Add bitfield references_memory.
1093 * Makefile.in (tree-ssa-structalias.o): Include
1095 (tree-ssa-alias.o): Likewise.
1096 * tree-ssa-structalias.c: (update_alias_info): Use
1097 STORED_SYMS to determine which variables are being
1098 written to by the store operation.
1099 * tree-ssa-structalias.h (struct alias_info)
1100 <total_alias_vops>: Remove. Update all users.
1101 <written_vars>: Change to a pointer set. Update all
1103 <dereferenced_ptrs_store>: Likewise.
1104 <dereferenced_ptrs_load>: Likewise.
1105 (NUM_REFERENCES): Remove. Update all users.
1106 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1107 (NUM_REFERENCES_INC): Remove. Update all users.
1108 (NUM_REFERENCES_SET): Remove. Update all users.
1110 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1112 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1113 * tree-ssanames.c (make_ssa_name): Initialize
1114 SSA_NAME_IS_DEFAULT_DEF to 0.
1116 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1118 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1119 (dse_global_data): Add aggregate_vardecl field.
1120 (dse_possible_dead_store_p): New.
1121 Add prev_defvar variable.
1122 Allow immediate uses and previous immediate uses to differ
1123 if they are setting different parts of the whole.
1124 (get_aggregate_vardecl): New.
1125 (dse_record_partial_aggregate_store): New.
1126 (dse_whole_aggregate_clobbered_p): New.
1127 (dse_partial_kill_p): New.
1128 (dse_optimize_stmt): Abstract code checking a possible dead store
1129 into new function dse_possible_dead_store_p().
1130 Call dse_maybe_record_aggregate_store().
1131 When checking whether a STMT and its USE_STMT refer to the
1132 same memory address, check also for partial kills that clobber
1134 Move some variable definitions to the block where they are used.
1135 (aggregate_vardecl_hash): New.
1136 (aggregate_vardecl_eq): New.
1137 (aggregate_vardecl_free): New.
1138 (aggregate_whole_store_p): New.
1139 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1140 Mark which aggregate stores we care about.
1142 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1144 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1145 (vuse_element_t): Declare.
1146 (struct vuse_vec_d): Declare.
1147 (vuse_vec_p): Declare.
1148 (VUSE_VECT_NUM_ELEM): Define.
1149 (VUSE_VECT_ELEMENT_NC): Define.
1150 (VUSE_ELEMENT_PTR_NC): Define.
1151 (VUSE_ELEMENT_VAR_NC): Define.
1152 (VUSE_VECT_ELEMENT): Define.
1153 (VUSE_ELEMENT_PTR): Define.
1154 (VUSE_ELEMENT_VAR): Define.
1155 (struct maydef_optype_d) <use_var>: Remove.
1158 (struct vuse_optype_d) <kill_var>: Remove.
1161 (struct mustdef_optype_d) <kill_var>: Remove.
1164 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1165 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1167 (VUSE_VECT): Define.
1168 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1169 (MAYDEF_OP): Add argument. Use VUSE_OP.
1170 (MAYDEF_NUM): Define.
1171 (MAYDEF_VECT): Define.
1172 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1173 (MUSTDEF_KILL): Use VUSE_OP.
1174 (MUSTDEF_NUM): Define.
1175 (MUSTDEF_VECT): Define.
1176 (realloc_maydef): Declare.
1177 (realloc_vuse): Declare.
1178 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1179 <mayuse_index>: Add.
1180 (LOADED_SYMS): Define.
1181 (STORED_SYMS): Define.
1182 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1183 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1185 * tree-pretty-print.c: Likewise.
1186 * tree-ssa-dse.c: Likewise.
1187 * tree-flow-inline.h: Likewise.
1188 (op_iter_next_mustdef): New.
1189 * tree-ssa-operands.c: Likewise.
1190 (ALLOC_OPTYPE): Remove.
1194 (alloc_maydef): New.
1196 (alloc_mustdef): New.
1197 (realloc_maydef): New.
1198 (realloc_vuse): New.
1200 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1202 * tree-ssa-operands.c: Remove build_v_must_defs.
1203 (init_ssa_operands): Delete build_v_must_defs.
1204 (finalize_ssa_v_must_def_ops): Remove.
1205 (finalize_ssa_v_must_defs): Remove.
1206 (finalize_ssa_stmt_operands): Do not call
1207 finalize_ssa_v_must_defs.
1208 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1209 (append_v_must_def): Delete.
1210 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1211 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1212 comment. Remove opf_kill_def.
1213 (build_ssa_operands): Remove references to v_must_defs.
1214 (copy_virtual_operands): Same.
1215 (copy_virtual_operands): Same.
1216 (fini_ssa_operands): Same.
1217 (free_ssa_operands): Same.
1218 (add_mustdef_op): Remove.
1219 Remove mustdef_optype_p.
1220 (alloc_mustdef): Remove.
1221 Remove references to V_MUST_DEFs in comment at top of file.
1222 (get_expr_operands): Remove opf_kill_def.
1223 (opf_kill_def): Remove.
1224 (add_virtual_operand): Remove opf_kill_def.
1225 (get_indirect_ref_operands): Same.
1226 (get_tmr_operands): Same.
1228 * tree-vectorizer.c (rename_variables_in_bb): Remove
1231 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1233 (check_loop_closed_ssa_stmt): Same.
1235 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1237 (verify_ssa): Remove V_MUST_DEFs traces.
1238 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1240 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1242 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1243 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1245 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1247 (MUSTDEF_OPS): Remove.
1248 (SSA_OP_VMUSTDEF): Remove.
1249 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1250 (struct mustdef_optype_d): Remove.
1251 Remove mustdef_optype_p.
1252 (struct stmt_operands_d): Remove mustdef_ops.
1253 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1254 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1255 (MUSTDEF_RESULT_PTR): Remove.
1256 (MUSTDEF_RESULT): Remove.
1257 (MUSTDEF_KILL_PTR): Remove.
1258 (MUSTDEF_KILL): Remove.
1259 (MUSTDEF_NUM): Remove.
1260 (MUSTDEF_VECT): Remove.
1261 (SSA_OP_VIRTUAL_KILLS): Remove.
1262 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1263 (SSA_OP_VMUSTKILL): Remove.
1264 (SSA_OP_ALL_KILLS): Remove.
1265 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1267 * tree-flow-inline.h (op_iter_init_def): Remove
1268 SSA_OP_VIRTUAL_KILLS.
1269 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1271 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1272 SSA_OP_VIRTUAL_KILLS.
1274 * tree-ssa-loop-im.c (determine_max_movement): Remove
1275 SSA_OP_VIRTUAL_KILLS.
1276 (gather_mem_refs_stmt): Same.
1277 (gather_mem_refs_stmt): Same.
1279 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1280 (perform_tree_ssa_dce): Remove call to
1281 mark_really_necessary_kill_operand_phis.
1283 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1285 (op_iter_next_use): Do not check mustkills.
1286 (op_iter_next_def): Do not check mustdefs.
1287 (op_iter_next_tree): Do not check mustkills or mustdefs.
1288 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1289 (op_iter_next_maymustdef): Do not check mustkills.
1290 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1291 (op_iter_init_mustdef): Remove.
1293 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1296 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1298 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1299 (visit_assignment): Same.
1301 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1303 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1305 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1307 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1308 Remove kill_p variable.
1310 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1311 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1312 (collect_dfa_stats_r): Do not set num_v_must_defs.
1313 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1316 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1319 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1320 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1322 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1325 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1327 PR rtl-optimization/30113
1328 * loop-iv.c (implies_p): Require the mode of the operands to be
1331 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1333 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1334 Rename from create_ssa_artficial_load_stmt. Update all users.
1335 * tree-into-ssa.c (register_new_def): Make static.
1336 * tree.c (is_global_var): Handle SSA_NAMEs.
1337 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1338 that used to call gimple_default_def.
1339 * tree-ssa-operands.c (push_stmt_changes): New.
1340 (pop_stmt_changes): New. Update every pass that modifies
1341 statements to bracket modifications with
1342 push_stmt_changes/pop_stmt_changes.
1343 (discard_stmt_changes): New.
1344 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1345 'tree *' instead of 'tree'. Update all users.
1346 * tree-flow-inline.h (zero_imm_uses_p): New.
1347 (symbol_mem_tag): New. Update every function that used
1348 to access the annotation directly.
1349 (set_symbol_mem_tag): Likewise.
1350 * tree-dfa.c (dump_variable): Always show the escape mask.
1351 (mark_symbols_for_renaming): Rename from
1352 mark_new_vars_to_rename. Update all users.
1353 Only mark to rename naked symbols in real and virtual
1356 2006-12-11 Andreas Schwab <schwab@suse.de>
1358 * varasm.c (elf_record_gcc_switches): Cast second argument of
1359 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1361 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1363 * tree-scalar-evolution.c (scev_const_prop):
1364 * tree-phinodes.c (remove_phi_node): Add argument
1365 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1368 * tree-ssa-dce.c: Remove forward declarations for static
1369 functions. Re-arrange functions bodies as needed.
1370 (find_obviously_necessary_stmts): Never mark PHI nodes as
1371 obviously necessary.
1373 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1375 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1377 2006-12-11 Jan Hubicka <jh@suse.cz>
1379 * value-prof.c (tree_stringops_transform): New.
1380 (tree_value_profile_transformations): Require count to be non-zero;
1381 call stringop transform; reset stmt BSI after BB changed.
1382 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1383 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1384 (tree_stringops_values_to_profile): New.
1385 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1386 * tree.h (build_string_literal): Tidy prototype.
1387 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1389 * builtins.c (validate_arglist, builtin_memset_read_str,
1390 get_pointer_alignment): Export.
1392 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1396 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1398 * config/i386/i386.opt: New target option -mx87regparm.
1400 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1401 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1402 (X87_REGPARM_MAX): Define.
1404 * config/i386/i386.c (override_options): Error out for
1405 -mx87regparm but no 80387 support.
1406 (ix86_attribute_table): Add x87regparm.
1407 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1408 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1409 (ix86_function_x87regparm): New function.
1410 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1412 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1414 (function_arg_advance): Process x87_nregs and x87_regno when
1415 floating point argument is to be passed in 80387 register.
1416 (function_arg): Pass XFmode arguments in 80387 registers for local
1417 functions. Pass SFmode and DFmode arguments to local functions
1418 in 80387 registers when flag_unsafe_math_optimizations is set.
1420 * reg-stack.c (convert_regs_entry): Disable NaN load for
1421 stack registers that are used for argument passing.
1423 * doc/extend.texi: Document x87regparm function attribute.
1424 * doc/invoke.texi: Document -mx87regparm.
1426 2006-12-11 Jan Hubicka <jh@suse.cz>
1428 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1429 * cgraph.c: Update comments.
1430 (cgraph_varpool_hash,
1431 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1432 cgraph_varpool_node_name, cgraph_varpool_node,
1433 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1434 cgraph_variable_initializer_availability): Move to
1435 varpool.c and drop cgraph_ prefixes.
1436 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1437 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1438 move to varpool.c; drop cgraph_ prefix; make static.
1439 (dump_cgraph_varpool_node): Move to varpool.c under name
1441 (dump_varpool, hash_varpool_node, eq_varpool_node,
1442 decide_is_variable_needed): Move to varpool.c
1443 (decl_assembler_name_equal): Move to tree.c.
1444 (availability_names): Rename to ...
1445 (cgraph_availability_names): ... this one.
1446 (dump_cgraph_node): Update.
1447 * cgraph.h: Reorder declarations now in varpool.c
1448 (cgraph_vailablity_names): Declare.
1449 (struct cgraph_varpool_node): Rename to ...
1450 (struct varpool_node): ... this one.
1451 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1452 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1453 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1454 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1455 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1456 cgraph_variable_initializer_availability): Rename to ...
1457 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1458 varpool_first_unanalyzed_node, varpool_node,
1459 varpool_node_for_asm, varpool_mark_needed_node,
1460 varpool_finalize_decl, varpool_enqueue_needed_node,
1461 varpool_assemble_pending_decls, variable_initializer_availability):
1463 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1464 * tree.h (decl_assembler_name_equal): Declare.
1465 * omp-low.c (lower_omp_critical): Update.
1466 * ipa-reference (analyze_variable, static_execute): Likewise.
1467 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1468 * cgraphunit.c: Update comments.
1469 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1470 varpool_assembled_nodes_queue.
1471 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1472 varpool_analyze_pending_decls.
1473 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1474 varpool_remove_unreferenced_decls.
1475 (record_reference): Update.
1476 (cgraph_create_edges): Update.
1477 (record_referneces_in_initializer): New function.
1478 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1479 varpool_assemble_decl; make global.
1480 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1481 varpool_assemble_pending_decls.
1482 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1483 struct cgraph_order_sort, cgraph_output_in_order,
1484 cgraph_function_and_variable_invisibility, cgraph_optimize,
1485 cgraph_increase_alignment): Update.
1486 * dwarf2out.c (decls_for_scope): Likewise.
1487 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1488 * except.c (output_ttype): Likewise.
1489 * varasm.c (mark_decl_referenced): Likewise.
1490 (find_decl_and_mark_referenced, assemble_alias): update.
1491 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1492 * passes.c (rest_of_decl_compilation): Update.
1494 2006-12-11 Ira Rosen <irar@il.ibm.com>
1496 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1497 GIMPLE_STMT_OPERAND.
1498 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1499 (vect_setup_realignment): Likewise.
1501 2006-12-11 Sa Liu <saliu@de.ibm.com>
1502 Ben Elliston <bje@au.ibm.com>
1504 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1505 (ENDFILE_SPEC): Likewise.
1506 * config/spu/spu.opt (mstdmain): New option.
1507 * config/spu/crti.asm: Remove.
1508 * config/spu/crtn.asm: Likewise.
1509 * config/spu/crt0.c: Likewise.
1510 * config/spu/crtend.c: Likewise.
1511 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1513 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1514 * doc/invoke.texi (SPU Options): Document -mstdmain.
1516 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1518 * doc/loop.texi: Document number_of_latch_executions and
1519 number_of_cond_exit_executions.
1520 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1521 chrec_is_positive, number_of_iterations_for_all_loops,
1522 scev_const_prop): Use number_of_latch_executions.
1523 (set_nb_iterations_in_loop): Do not increase the value of the
1524 number of iterations.
1525 (number_of_iterations_in_loop): Renamed to ...
1526 (number_of_latch_executions): ... this.
1527 (number_of_exit_cond_executions): New function.
1528 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1530 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1531 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1532 number_of_latch_executions.
1533 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1534 number_of_exit_cond_executions.
1535 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1536 * cfgloop.h (struct loop): Improve description of the nb_iterations
1539 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1541 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1542 (tree_pointer_compare): Remove.
1544 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1546 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1547 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1548 * tree-loop-linear.c (linear_transform_loops): Ditto.
1549 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1550 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1551 free_numbers_of_iterations_estimates): Ditto.
1552 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1553 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1554 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1555 * modulo-sched.c (sms_schedule): Ditto.
1556 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1557 tree_unroll_loops_completely): Ditto.
1558 * predict.c (predict_loops): Ditto.
1559 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1560 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1561 decide_unrolling_and_peeling): Ditto.
1562 * cfgloopmanip.c (unloop): Use delete_loop.
1563 (place_new_loop): Access larray vector instead of parray.
1564 (create_preheaders, force_single_succ_latches,
1565 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1566 * loop-doloop.c (doloop_optimize_loops): Ditto.
1567 * loop-invariant.c (move_loop_invariants): Ditto.
1568 * tree-cfg.c (replace_uses_by): Ditto.
1569 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1570 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1572 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1574 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1575 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1576 get_loop and get_chrec_loop.
1577 (number_of_iterations_for_all_loops): Use number_of_loops.
1578 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1579 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1580 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1582 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1583 chrec_convert_1): Use get_loop and get_chrec_loop.
1584 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1585 (loop_optimizer_init): Use FOR_EACH_LOOP.
1586 * tree-vectorizer.c (vect_loops_num): Removed.
1587 (vectorize_loops): Store number of loops locally. Use
1588 FOR_EACH_LOOP and get_loop.
1589 * tree-vectorizer.h (vect_loops_num): Removed.
1590 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1591 (find_data_references_in_loop): Do not set parallel_p.
1592 * tree-data-ref.h: Do not declare VEC(loop_p).
1593 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1594 verify_loop_structure): Use FOR_EACH_LOOP.
1595 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1596 (initialize_loops_parallel_p): Removed.
1597 (flow_loops_find): Push the loops into a vector.
1598 (delete_loop): New function.
1599 (cancel_loop): Use delete_loop.
1600 * cfgloop.h: Declare VEC(loop_p).
1601 (struct loop): Remove parallel_p field.
1602 (struct loops): Replace num and parray field by larray vector.
1603 Remove shared_headers field.
1604 (delete_loop): Declare.
1605 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1606 FOR_EACH_LOOP): New.
1607 * doc/loop.tex: Document new accessor functions.
1609 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1611 * common.opt (-ftree-lrs): Remove live range splitting option.
1612 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1613 * opts.c (decode_options): Remove flag_tree_live_range_split.
1614 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1615 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1616 * tree-outof-ssa.c: Remove header files which aren't needed.
1617 (SSANORM_*): Remove flags.
1618 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1619 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1620 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1621 (assign_vars): Use Basevar instead of root_var structure.
1622 (replace_def_variable): Dont do anything if def is replaceable.
1623 (remove_ssa_form): Integrate functional changes.
1624 (rewrite_out_of_ssa): Remove live-range_split option.
1625 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1626 (coalesce_cost): Calculate the cost of a coalesce.
1627 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1628 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1629 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1630 (pop_best_coalesce): Remove the best coalesce from the list.
1631 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1632 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1633 (create_coalesce_list): Create a coalesce list object.
1634 (delete_coalesce_list): Free a coalesce list object.
1635 (find_coalesce_pair): Find matching pair in the coalesce list.
1636 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1637 (add_coalesce): Add a coalesce to the coalesce list.
1638 (compare_pairs): Comparision function to determine pair sorted order.
1639 (num_coalesce_pairs): Number of coalesced pairs.
1640 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1641 Coalesce pair iterator functions.
1642 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1643 (dump_coalesce_list): Show coalesce list.
1644 (ssa_conflicts_new): Create an SSA conflict graph.
1645 (ssa_conflicts_delete): Delete an SSA conflict graph.
1646 (ssa_conflicts_test_p): Test for conflicts.
1647 (ssa_conflicts_add_one): Add a single conflict.
1648 (ssa_conflicts_add): Add a conflict pair.
1649 (ssa_conflicts_merge): Merge conflicts.
1650 (struct live_track_d): Struct for tracking live partitions.
1651 (new_live_track): Create new live_track object.
1652 (delete_live_track): Delete a live_track object.
1653 (live_track_remove_partition): Remove a partition from the live list.
1654 (live_track_add_partition): Add a partition from the live list.
1655 (live_track_clear_var): Take VAR from the live list.
1656 (live_track_live_p): Is var live?
1657 (live_track_process_use): Make var come alive.
1658 (live_track_process_def): Make var go dead, add conflicts.
1659 (live_track_init): Initialize to a live on exit set.
1660 (live_track_clear_base_vars): Clear live partitions.
1661 (build_ssa_conflict_graph): Build a conflict graph.
1662 (print_exprs): Common debug output routine.
1663 (abnormal_corrupt): Output info about a failed coalesce across an
1665 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1666 (create_outofssa_var_map): Create a var map and coalesce list.
1667 (attempt_coalesce): Coalesce a pair.
1668 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1669 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1670 * tree-ssa-live.c: Remove header files which aren't needed.
1671 (var_map_base_init): New. Initialize a basevar list.
1672 (var_map_base_fini): New. Finish a basevar list.
1673 (init_var_map): Initialize new fields.
1674 (delete_var_map): Free new fields.
1675 (var_union): Use renamed fields.
1676 (compact_var_map): Remove.
1677 (partition_to_view_init): Use renamed fields, change order of an if.
1678 (partition_view_fini): Use renamed fields.
1679 (partition_view_normal): Create basevar list if requested.
1680 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1681 (change_partition_var): Use renamed fields.
1682 (create_ssa_var_map): Remove.
1683 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1684 root_var_init): Remove.
1685 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1686 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1687 compare_pairs, num_coalesce_pairs, first_partition_pair,
1688 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1689 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1690 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1691 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1692 (dump_var_map): Use renamed fields.
1693 * tree-ssa-live.h (struct _var_map): Modify fields.
1694 (partition_to_var, version_to_var, var_to_partition): Use renamed
1696 (basevar_index): New. Index of the base variable of a partition.
1697 (num_basevars): New. Number of unique base variables in partition map.
1698 (register_ssa_partition): Use renamed fields.
1699 (struct tree_partition_associator_d): Remove.
1700 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1701 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1702 root_var, root_var_first_partition, root_var_next_partition,
1703 root_var_dump, root_var_delete, root_var_remove_partition,
1704 root_var_find, root_var_compact, root_var_decompact): Remove.
1705 (struct partition_pair, struct coalesce_list_d): Moved to
1707 * tree-ssa-ter.c: Remove header files which aren't needed.
1709 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1711 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1712 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1714 (cse_visited_basic_blocks): New static bitmap.
1715 (cse_end_of_basic_block, cse_basic_block): Remove.
1716 (cse_find_path, cse_dump_path, cse_prescan_path,
1717 cse_extended_basic_block): New static functions.
1718 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1719 basic block boundaries. Don't record jump equivalences here.
1720 Update the CFG after doing in-place replacement of the SET_SRC.
1721 (cse_main): Rewrite. Look for extended basic block headers
1722 and call cse_extended_basic_block on them until all paths that
1723 start at this header are exhausted.
1724 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1725 and correct after cse_main.
1726 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1727 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1728 (pass_cse): Add TODO_verify_flow.
1729 (pass_cse2): Likewise.
1731 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1733 * reload1.c (choose_reload_regs): Don't set byte offset when
1734 resolving subregs of hard regs.
1736 2006-12-09 Zack Weinberg <zackw@panix.com>
1738 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1739 suitable for the language, if set_yydebug is true.
1740 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1741 YYDEBUG or declare yydebug.
1742 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1744 2006-12-09 Jan Hubicka <jh@suse.cz>
1746 * cgraph.c: Update copyright.
1747 * cgraph.h: Likewise
1748 (cgraph_update_pending_function): Remove prototype.
1749 * cgraphunit.c: Update copyright; update overall comment.
1750 (cgraph_assemble_pending_functions): Make local.
1752 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1754 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1756 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1758 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1760 (cpat_const_p, gen_cpat_const): Add.
1761 * config/spu/spu.c (immediate_class): New enum.
1762 (cpat_info, classify_immediate): New.
1763 (print_operand): Use S, D, T instead of F, G, H. Use
1764 classify_immediate. Handle cpat cases.
1765 (spu_split_immediate): Renamed from spu_split_address. Split all
1766 immediates that can be split.
1767 (immediate_load_p): Use classify_immediate.
1768 (spu_legitimate_constant_p): Accept everything except some cases of
1770 (spu_expand_move): Use spu_split_immedate.
1771 (fsmbi_const_p): Use classify_immediate.
1772 (cpat_const_p): New.
1773 (gen_cpat_const: New.
1774 * config/spu/constraints.md (j,k,l): New constraints for cpat
1776 * config/spu/spu.md (unnamed splitter): Change address splitter to
1777 handle all immediates.
1778 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1780 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1783 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1786 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1787 patterns. Correct length of high:DI instruction sequence.
1789 2006-12-08 Mike Stump <mrs@apple.com>
1791 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1792 libgcc with -mmacosx-version-min=10.4.
1793 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1794 G4 for 10.5+ unless doing kernel builds.
1796 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1799 * reg-stack.c (convert_regs_entry): Mark current argument passing
1802 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1803 of float arguments in x87 registers.
1805 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1807 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1809 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1811 * recog.c (mode_dependent_address_p): Identify pre-increment,
1812 pre-decrement, post-increment and post-decrement addressing as always
1813 being mode-dependent.
1814 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1815 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1816 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1817 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1818 PRE_INC and POST_INC checks.
1819 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1820 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1821 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1822 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1823 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1824 PRE_INC, POST_DEC and POST_INC cases.
1825 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1826 Delete POST_INC and PRE_DEC cases.
1827 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1829 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1830 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1832 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1833 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1834 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1835 PRE_INC and PRE_DEC cases.
1836 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1837 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1838 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1839 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1840 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1841 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1842 auto-increment cases.
1843 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1844 auto-increment cases.
1845 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1847 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1849 * Makefile.in: Add new file tree-ssa-ter.c.
1850 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1851 free_temp_expr_table, add_value_to_version_list,
1852 add_value_to_partition_list, remove_value_from_partition_list,
1853 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1854 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1855 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1856 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1858 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1859 (struct value_expr_d): Remove.
1860 (struct temp_expr_table_d): Rename fields, add explicit vector of
1861 replaceable expressions instead of sharing. Change value_expr_p's to
1862 bitmap. Delete free_list.
1863 (new_temp_expr_table): Rename fields, count number of ssa_names in
1865 (free_temp_expr_table): Rename field, free new fields.
1866 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1867 add_info_to_list, remove_value_from_list): Delete.
1868 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1869 (make_dependent_on_partition): New. Set bit in version list, allocating
1870 a bitmap if need be.
1871 (add_to_partition_kill_list): New. Set bit in the partition list,
1872 allocating a bitmap if need be.
1873 (remove_from_partition_kill_list): New. Remove a bit from the
1874 partition list, free the bitmap if it is empty.
1875 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1876 on partitions with only one member.
1877 (is_replaceable_p): New. Split out replaceability check from
1879 (process_replaceable): New. Code split from check_replaceable.
1880 (check_replaceable): Removed.
1881 (finished_with_expr): Renamed from finish_expr.
1882 (kill_expr): Use renamed fields and less parameters.
1883 (kill_virtual_exprs): Less parameters.
1884 (mark_replaceable): Use renamed fields.
1885 (find_replaceable_in_bb): Use renamed fields, cleanup.
1886 (find_replaceable_exprs): Use renamed routines, cleanup.
1887 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1888 (debug_ter): New. Debug routine to dump state.
1890 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1892 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1893 anything involving the GOT.
1894 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1895 (trapping_loads_p): Look inside the pattern of an insn to find the
1897 * config/bfin/bfin.md (attr "type"): Add movcc.
1898 (insn_reservation "alu"): Likewise.
1899 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1901 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1903 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1904 (spu_resolve_overloaded_builtin): Check for non scalar instead
1905 of vector type and check the function call argument type also for
1907 Call build_function_call instead of spu_build_overload_builtin.
1909 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1911 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1912 to the calls of hwint_to_const_double.
1914 2006-12-07 Nick Clifton <nickc@redhat.com>
1916 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1917 elf_record_gcc_switches.
1919 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1921 * expr.c (string_constant): Account for non-zero lower bound arrays.
1923 2006-12-07 Richard Guenther <rguenther@suse.de>
1925 * builtins.c (expand_builtin_pow): Adjust predicates for
1926 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1929 2006-12-07 Jan Hubicka <jh@suse.cz>
1931 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1934 2006-12-07 Jan Hubicka <jh@suse.cz>
1936 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1937 use fold_constant_to_binary; tolerate wrong type constants.
1938 (value_intersect_p): Do just two tests.
1940 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1942 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1943 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1944 lshifthi3): Use it, and fix the order of alternatives.
1946 2006-12-07 Nick Clifton <nickc@redhat.com>
1948 * common.opt (record-gcc-switches): New command line switch.
1949 * target.h (print_switch_type): New enum.
1950 (print_switch_fn_type): New typedef for a function pointer.
1951 (struct gcc_target): Add record_gcc_switches and
1952 record_gcc_switches_section fields.
1953 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1955 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1957 * toplev.c (print_single_switch): Simplify by providing a
1958 pointer to function that will format and output the switch
1960 (print_switch_values): Likewise.
1961 (print_to_asm_out_file): New function.
1962 (print_to_stderr): New function.
1963 (init_asm_output): If flag_record_gcc_switches is set then if
1964 the target supports recording the switches then emit them into
1965 the assembler output file, otherwise tell the user that the
1966 switch is not supported.
1967 * varasm.c (eld_record_gcc_switches): New function. Example
1968 handler for the record_gcc_switches target hook.
1969 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1971 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1972 * doc/invoke.texi (-frecord-gcc-switches): Document.
1974 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1977 * sched-rgn.c (add_block1): Use correct initializer.
1979 2006-12-07 Richard Guenther <rguenther@suse.de>
1981 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1982 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1984 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1987 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1988 not GIMPLE_MODIFY_STMT.
1990 2006-12-06 Jan Hubicka <jh@suse.cz>
1992 * tree-vrp.c (operand_less_p): New.
1993 (compare_values, value_inside_range): Rewrite in terms of
1996 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1998 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2000 (length_immediate): Do not depend on cld type attribute.
2001 (length_address): Ditto.
2004 (cld): Remove insn pattern.
2005 (strmov_singleop): Do not use DIRFLAG_REG.
2006 (*strmovdi_rex_1): Ditto.
2007 (*strmovsi_1): Ditto.
2008 (*strmovsi_rex_1): Ditto.
2009 (*strmovhi_1): Ditto.
2010 (*strmovhi_rex_1): Ditto.
2011 (*strmovqi_1): Ditto.
2012 (*strmovqi_rex_1): Ditto.
2014 (*rep_movdi_rex64): Ditto.
2015 (*rep_movsi): Ditto.
2016 (*rep_movsi_rex64): Ditto.
2017 (*rep_movqi): Ditto.
2018 (*rep_movqi_rex64): Ditto.
2019 (strset_singleop): Ditto.
2020 (*strsetdi_rex_1): Ditto.
2021 (*strsetsi_1): Ditto.
2022 (*strsetsi_rex_1): Ditto.
2023 (*strsethi_1): Ditto.
2024 (*strsethi_rex_1): Ditto.
2025 (*strsetqi_1): Ditto.
2026 (*strsetqi_rex_1): Ditto.
2028 (*rep_stosdi_rex64): Ditto.
2029 (*rep_stossi): Ditto.
2030 (*rep_stossi_rex64): Ditto.
2031 (*rep_stosqi): Ditto.
2032 (*rep_stosqi_rex64): Ditto.
2033 (cmpstrnsi): Do not generate cld insn.
2034 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2035 (*cmpstrnqi_nz_1): Ditto.
2036 (*cmpstrnqi_nz_rex_1): Ditto.
2037 (cmpstrnqi_1): Ditto.
2038 (*cmpstrnqi_1): Ditto.
2039 (*cmpstrnqi_rex_1): Ditto.
2040 (strlenqi_1): Ditto.
2041 (*strlenqi_1): Ditto.
2042 (*strlenqi_rex_1): Ditto.
2044 * config/i386/geode.md (shift): Do not depend on cld type attribute.
2045 * config/i386/pentium.md (pent_cld): Remove insn reservation.
2046 * config/i386/athlon.md (athlon_decode): Do not depend on cld
2048 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2049 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2051 (k6_alux_only_load): Ditto.
2052 (k6_alux_only_store): Ditto.
2054 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2055 Do not emit cld instruction.
2056 (ix86_expand_setmem): Ditto.
2057 (ix86_expand_strlen): Do not emit cld instruction.
2059 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2061 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2064 2006-12-06 Diego Novillo <dnovillo@redhat.com>
2066 * gdbinit.in: Set complaints to 0.
2068 2006-12-06 Jan Hubicka <jh@suse.cz>
2070 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2071 ALONE_MEM_STAT_DECL): New macros.
2072 * bitmap.h: Include statistics.h
2073 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2074 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2075 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2076 * bitmap.c: Include hashtab.h
2077 (bitmap_descriptor): New.
2078 (bitmap_hash): New static variable
2079 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2080 New static functions.
2081 (bitmap_register): New.
2082 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2083 bitmap_obstack_release): Do accounting.
2084 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2086 (bitmap_gc_alloc_stat): Likewise.
2087 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2088 (print_statistics, dump_bitmap_statistics): New functions.
2089 * toplev.c (finalize): Dump bitmap statistics.
2091 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2093 * reload1.c (delete_output_reload): Count occurrences in
2094 CALL_INSN_FUNCTION_USAGE.
2095 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2096 crashing at the end of the list.
2098 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2100 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2101 Optimize to avoid marking more SMT's as used when they aren't.
2103 2006-12-05 Eric Christopher <echristo@apple.com>
2105 * config/i386/i386.c (x86_output_aligned_bss): Move out
2106 of COMMON_ASM_OP ifdef.
2108 2006-12-05 Eric Christopher <echristo@apple.com>
2110 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2111 (STARTFILE_SPEC): Use.
2112 (DARWIN_DYLIB1_SPEC): New.
2113 (DARWIN_CRT1_SPEC): New.
2114 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2116 * config/i386/darwin.h: Ditto.
2117 * config/rs6000/darwin.h: Ditto.
2119 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2121 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2122 * tree-complex.c (pass_lower_complex): Ditto.
2123 * tree-ssa-ccp.c (pass_ccp): Ditto.
2124 (pass_store_ccp): Ditto.
2125 * tree-ssa-dom.c (pass_dominator): Ditto.
2126 (pass_phi_only_cprop): Ditto.
2127 * tree-sra.c (pass_sra): Ditto.
2128 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2129 * tree-flow.h (updating_used_alone): Remove.
2130 (updating_used_alone): Ditto.
2131 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2132 (lhs_may_store_to): Remove function.
2133 (recalculate_used_alone): Ditto.
2134 (compute_may_aliases): Remove used_alone calculation.
2135 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2136 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2137 * tree-pass.h (PROP_smt_usage): Remove.
2138 * passes.c (execute_todo): Remove used alone recalculation.
2139 (execute_one_pass): Ditto.
2140 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2143 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2145 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2147 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2149 PR tree-optimization/14784
2150 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2152 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2154 Merge from gimple-tuples-branch.
2156 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2158 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2160 (s390_gimplify_va_arg): Same.
2161 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2162 * config/sh/sh.c (sh_va_start): Same.
2163 (sh_gimplify_va_arg_expr): Same.
2164 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2165 (xtensa_gimplify_va_arg_expr): Same.
2166 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2167 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2168 * config/mips/mips.c (mips_va_start): Same.
2169 (mips_gimplify_va_arg_expr): Same.
2171 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2173 * Merge from mainline at revision 119445.
2175 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2177 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2179 (spu_gimplify_va_arg_expr): Same.
2181 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2183 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2184 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2185 (xstormy16_expand_builtin_va_arg): Same.
2187 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2189 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2190 to GIMPLE_MODIFY_STMT.
2192 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2194 * config/alpha/alpha.c (va_list_skip_additions): Change all
2195 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2196 (alpha_va_start): Same.
2197 (alpha_gimplify_va_arg_1): Same.
2198 (alpha_gimplify_va_arg): Same.
2200 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2202 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2204 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2206 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2207 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2209 * tree-complex.c: Same.
2210 * tree-pretty-print.c: Same.
2214 * fold-const.c: Same.
2215 * tree-ssa-dom.c: Same.
2216 * tree-ssa-propagate.c: Same.
2217 * tree-ssa-alias.c: Same.
2218 * gimple-low.c: Same.
2219 * dwarf2out.c: Same.
2220 * c-pretty-print.c: Same.
2222 * tree-inline.c: Same.
2223 * tree-outof-ssa.c: Same.
2224 * tree-ssa-structalias.c: Same.
2225 * tree-ssa-reassoc.c: Same.
2228 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2230 * tree.c (build2_stat): Fix comment.
2232 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2234 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2235 TREE_OPERAND when appropriate.
2237 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2239 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2240 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2241 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2242 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2243 not handle GIMPLE_MODIFY_STMT in the switch statement.
2244 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2245 (java_gimplify_new_array_init): Same.
2247 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2249 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2250 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2251 * fold-const.c (fold_binary): Allow gimple statements.
2253 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2254 Rename from gfc_conv_descriptor_data_set.
2255 Call gfc_add_modify instead of gfc_add_modify_expr.
2256 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2257 Rename from gfc_conv_descriptor_data_set.
2258 (gfc_conv_descriptor_data_set): New macro.
2259 (gfc_conv_descriptor_data_set_tuples): New macros.
2260 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2261 gfc_conv_descriptor_data_set_tuples.
2262 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2263 Generate GIMPLE_MODIFY_STMT when appropriate.
2264 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2265 (gfc_add_modify_expr): New macro.
2266 (gfc_add_modify_stmt): New macro.
2267 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2269 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2271 * Merge from mainline at revision 118200.
2273 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2275 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2278 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2280 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2282 Also, add __extension__ to GCC versions.
2283 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2284 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2287 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2289 * tree-complex.c (expand_complex_libcall): Adjust for
2291 (expand_complex_comparison): Same.
2292 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2293 GIMPLE_STMT_P statements.
2294 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2296 (tree_mod_pow2_value_transform): Same.
2297 (tree_mod_subtract_transform): Same.
2298 * tree.c (build2_stat): Check for gimplified function in cfun.
2299 * tree.h (DECL_GIMPLIFIED): Delete.
2300 (struct tree_function_decl): Remove gimplified_flag.
2301 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2302 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2303 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2304 (cxx_omp_clause_copy_ctor): Same.
2305 (cxx_omp_clause_assign_op): Same.
2306 * c-pretty-print.c (pp_c_conditional_expression): Same.
2307 (pp_c_expression): Same.
2308 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2309 * function.h (struct function): Add gimplified field.
2310 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2312 (find_phi_replacement_condition): Same.
2313 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2314 (gimplify_modify_expr_to_memset): Same.
2315 (gimplify_init_ctor_eval_range): Same.
2316 (gimplify_modify_expr_complex_part): Same.
2317 (tree_to_gimple_tuple): Same.
2318 (gimplify_modify_expr): Same.
2319 (gimple_push_cleanup): Same.
2320 (gimplify_omp_for): Same.
2321 (gimplify_omp_atomic_pipeline): Same.
2322 (gimplify_omp_atomic_mutex): Same.
2323 (gimplify_expr): Same.
2324 (gimplify_one_sizepos): Same.
2325 (gimplify_function_tree): Same.
2326 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2327 (vect_recog_widen_sum_pattern): Same.
2328 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2329 (vect_create_epilog_for_reduction): Same.
2330 (vectorizable_reduction): Same.
2332 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2334 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2335 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2336 (ifc_temp_var): Same.
2337 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2338 for gimple statements.
2339 (vect_analyze_operations): Same.
2340 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2341 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2342 * lambda-code.c (can_put_in_inner_loop): Same.
2343 (can_put_after_inner_loop): Same.
2344 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2345 (vect_create_data_ref_ptr): Same.
2346 (vect_init_vector): Same.
2347 (vect_get_vec_def_for_operand): Same.
2348 (vect_create_epilog_for_reduction): Same.
2349 (vectorizable_reduction): Same.
2350 (vectorizable_assignment): Same.
2351 (vectorizable_operation): Same.
2352 (vectorizable_load): Same.
2353 (vectorizable_condition): Same.
2354 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2355 (rs6000_gimplify_va_arg): Same.
2357 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2359 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2360 GIMPLE_STMT_OPERAND.
2361 (simplify_abs_using_ranges): Same.
2362 * tree-complex.c (expand_complex_operations_1): Use
2363 PROTECTED_TREE_OPERAND.
2364 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2366 (get_val_for): Use GIMPLE_STMT_OPERAND.
2367 * tree-tailcall.c (adjust_accumulator_values): Same.
2368 (adjust_return_value): Same.
2369 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2370 case. Remove special case for tcc_gimple_stmt.
2371 * tree.h (CAN_HAVE_LOCATION_P): New.
2372 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2374 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2375 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2376 * tree-nrv.c (execute_return_slot_opt): Same.
2377 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2378 * tree-vn.c (set_value_handle): Same.
2379 (get_value_handle): Same.
2380 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2381 * tree-vectorizer.c (find_loop_location): Same.
2382 * c-typeck.c (c_process_expr_stmt): Same.
2383 (c_finish_stmt_expr): Same.
2384 * gimplify.c (should_carry_locus_p): Same.
2385 (tree_to_gimple_tuple): Delete definition and use of unecessary
2386 variable save_tree_block.
2387 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2388 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2389 (realify_fake_stores): Same.
2390 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2392 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2393 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2394 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2395 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2396 (c_parser_statement_after_labels): Same.
2397 (c_parser_paren_condition): Same.
2398 (c_parser_for_statement): Same.
2399 (c_parser_omp_for_loop): Same.
2400 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2401 (linearize_expr_tree): Same.
2402 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2403 * function.c (instantiate_expr): Same.
2405 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2407 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2408 (set_expr_location): Same.
2410 (set_expr_locus): Same.
2411 (expr_filename): Same.
2412 (expr_lineno): Same.
2413 (tree_block): Use GIMPLE_STMT_BLOCK.
2414 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2415 * tree.h (struct gimple_stmt): Remove prev and next.
2416 (GIMPLE_STMT_OPERAND_CHECK): New.
2417 (TREE_TO_GIMPLE_STMT): Delete.
2418 (GIMPLE_STMT_TO_TREE): Delete.
2419 (GIMPLE_STMT_OPERAND): Use union, not cast.
2420 (GIMPLE_STMT_LOCUS): New.
2421 (GIMPLE_STMT_BLOCK): New.
2422 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2424 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2426 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2428 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2430 * tree-tailcall.c (adjust_return_value): Same.
2431 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2432 (copy_node_stat): Change common.base to base.
2433 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2434 Remove GIMPLE_STATEMENT_LIST case.
2435 * tree.h (struct gimple_stmt): Make operands of type tree.
2436 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2437 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2438 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2439 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2440 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2441 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2442 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2443 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2444 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2445 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2446 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2447 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2448 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2449 Change common.base to base.
2450 (GIMPLE_STATEMENT_LIST*): Remove.
2451 (union tree_node): Add base. Remove gimple_statement_list.
2452 Remove pointer from gstmt.
2453 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2454 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2455 * tree-vn.c (vn_compute): Change common.base to base.
2456 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2457 * tree-flow-inline.h (var_ann): Same.
2458 (function_ann): Same.
2460 (mark_non_addressable): Same.
2461 * gimplify.c (tree_to_gimple_tuple): Same.
2462 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2463 * tree-dfa.c (create_var_ann): Change common.base to base.
2464 (create_function_ann): Same.
2465 (create_stmt_ann): Same.
2466 (create_tree_ann): Same.
2467 (collect_dfa_stats_r): Same.
2468 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2469 * tree-ssa-dce.c (NECESSARY): Same.
2470 * tree-ssa.c (delete_tree_ssa): Same.
2471 * tree-optimize.c (execute_free_cfg_annotations): Same.
2472 * tree-flow.h: Same.
2474 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2476 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2477 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2479 * tree.h (struct gimple_stmt): Add prev and next fields.
2480 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2481 (GIMPLE_STATEMENT_LIST_HEAD): New.
2482 (GIMPLE_STATEMENT_LIST_TAIL): New.
2483 (struct gimple_statement_list): New.
2484 (union tree_node): Add gimple_stmt_list and gstmt.
2485 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2486 * tree.def: Add GIMPLE_STATEMENT_LIST.
2488 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2490 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2491 * tree-vrp.c (build_assert_expr_for): Change uses of
2492 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2493 (find_assert_locations): Same.
2494 (remove_range_assertions): Same.
2495 (stmt_interesting_for_vrp): Same.
2496 (vrp_visit_assignment): Same.
2497 (vrp_visit_stmt): Same.
2498 (simplify_cond_using_ranges): Same.
2499 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2501 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2502 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2504 (determine_invariantness_stmt): Same.
2505 (schedule_sm): Same.
2506 (gather_mem_refs_stmt): Same.
2507 * tree-complex.c (init_dont_simulate_again): Same.
2508 (complex_visit_stmt): Same.
2509 (set_component_ssa_name): Same.
2510 (expand_complex_move): Same.
2511 (expand_complex_div_wide): Same.
2512 (expand_complex_comparison): Same.
2513 (expand_complex_operations_1): Same.
2514 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2515 (chain_of_csts_start): Same.
2516 (infer_loop_bounds_from_undefined): Same.
2517 * tree-pretty-print.c (dump_generic_node): Same.
2519 (op_symbol_1): Same.
2520 * tree-ssa-loop-manip.c (create_iv): Same.
2521 * value-prof.c (tree_divmod_fixed_value): Same.
2522 (tree_divmod_fixed_value_transform): Same.
2523 (tree_mod_pow2): Same.
2524 (tree_mod_pow2_value_transform): Same.
2525 (tree_mod_subtract): Same.
2526 (tree_mod_subtract_transform): Same.
2527 (tree_divmod_values_to_profile): Same.
2528 * tree-tailcall.c (process_assignment): Same.
2529 (find_tail_calls): Same.
2530 (adjust_accumulator_values): Same.
2531 (adjust_return_value): Same.
2532 (eliminate_tail_call): Same.
2533 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2534 (make_node_stat): Same.
2535 (copy_node_stat): Handle gimple tuples.
2536 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2537 (tree_node_structure): Handle tcc_gimple_stmt.
2538 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2540 (build2_gimple_stat): New.
2541 (expr_location): New.
2542 (set_expr_location): New.
2543 (expr_has_location): New.
2545 (set_expr_locus): New.
2546 (expr_filename): New.
2548 (walk_tree): Handle tcc_gimple_stmt.
2550 (protected_tree_operand): New.
2551 (protected_tree_type): New.
2552 (tree_code_kind): Add gimple statements.
2553 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2554 (IS_GIMPLE_STMT_CODE_CLASS): New.
2555 (struct tree_base): New.
2556 (struct tree_common): Shrink.
2557 (struct gimple_stmt): New.
2558 (struct gimple_expr): New.
2559 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2560 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2561 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2562 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2563 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2564 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2565 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2566 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2567 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2568 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2569 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2570 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2571 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2572 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2573 Adjust for new `common' layout.
2574 (struct tree_function_decl): Add gimplified_flag.
2575 (DECL_GIMPLIFIED): NEW.
2576 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2577 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2578 EXPR_HAS_LOCATION): Call corresponding function.
2579 (GIMPLE_STMT_CHECK): New.
2580 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2581 (TREE_BLOCK): Call tree_block.
2582 (GIMPLE_STMT_P): New.
2583 (GIMPLE_TUPLE_P): New.
2584 (TREE_TO_GIMPLE_STMT): New.
2585 (GIMPLE_STMT_TO_TREE): New.
2586 (GIMPLE_STMT_OPERAND): New.
2587 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2588 (PROTECTED_TREE_OPERAND): New.
2589 (PROTECTED_TREE_TYPE): New.
2590 (build2_gimple_stat): Protoize.
2591 (build2_gimple): New.
2592 (expr_location): Protoize.
2593 (set_expr_location): Protoize.
2594 (expr_has_location): Protoize.
2595 (expr_locus): Protoize.
2596 (set_expr_locus): Protoize.
2597 (expr_filename): Protoize.
2598 (expr_lineno): Protoize.
2599 (tree_block): Protoize.
2600 (protected_tree_operand): Protoize.
2601 (protected_tree_type): Protoize.
2602 (enum tree_node_kind): Add gimple_stmt_kind.
2603 * c-decl.c (union lang_tree_node): Tuples do not have a
2605 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2606 GIMPLE_MODIFY_STMT and adjust accordingly.
2607 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2608 (interpret_condition_phi): Same.
2609 (pointer_used_p): Same.
2610 (analyze_scalar_evolution_1): Same.
2611 (scev_const_prop): Same.
2612 (interpret_rhs_modify_stmt): Rename from
2613 interpret_rhs_modify_expr.
2614 * builtins.c (std_expand_builtin_va_start): Change uses of
2615 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2616 (std_gimplify_va_arg_expr): Same.
2617 (expand_builtin_va_copy): Same.
2618 (integer_valued_real_p): Same.
2619 * fold-const.c (maybe_lvalue_p): Same.
2621 (tree_expr_nonnegative_p): Same.
2622 (tree_expr_nonzero_p): Same.
2623 * omp-low.c (extract_omp_for_data): Same.
2624 (lower_rec_input_clauses): Same.
2625 (lower_reduction_clauses): Same.
2626 (lower_copyprivate_clauses): Same.
2627 (lower_send_clauses): Same.
2628 (lower_send_shared_vars): Same.
2629 (expand_parallel_call): Same.
2630 (expand_omp_parallel): Same.
2631 (expand_omp_for_generic): Same.
2632 (expand_omp_for_static_nochunk): Same.
2633 (expand_omp_for_static_chunk): Same.
2634 (expand_omp_sections): Same.
2635 (lower_omp_single_copy): Same.
2636 (lower_omp_parallel): Same.
2637 * tree-ssa-dse.c (memory_address_same): Same.
2638 (dse_optimize_stmt): Same.
2639 * ipa-reference.c (scan_for_static_refs): Same.
2640 * tree-gimple.c (is_gimple_reg_rhs): Same.
2641 (get_call_expr_in): Same.
2642 (recalculate_side_effects): Same.
2643 * cgraphunit.c (cgraph_create_edges): Same.
2644 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2645 * tree-ssa-ccp.c (get_default_value): Same.
2646 (likely_value): Same.
2647 (visit_assignment): Same.
2648 (ccp_visit_stmt): Same.
2649 (get_maxval_strlen): Same.
2650 (ccp_fold_builtin): Same.
2651 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2652 (find_givs_in_stmt): Same.
2653 (find_interesting_uses_op): Same.
2654 (find_interesting_uses_stmt): Same.
2655 (rewrite_use_nonlinear_expr): Same.
2656 * ipa-pure-const.c (scan_function): Same.
2657 * tree-stdarg.c (va_list_counter_bump): Same.
2658 (check_all_va_list_escapes): Same.
2659 (execute_optimize_stdarg): Same.
2660 * tree-ssa-math-opts.c (compute_merit): Same.
2661 (insert_reciprocals): Same.
2662 (execute_cse_reciprocals): Same.
2663 * tree-ssa-dom.c (initialize_hash_element): Same.
2664 (simple_iv_increment_p): Same.
2665 (record_equivalences_from_stmt): Same.
2666 (optimize_stmt): Same.
2667 (remove_stmt_or_phi): Same.
2668 (get_rhs_or_phi_arg): Same.
2669 (get_lhs_or_phi_result): Same.
2670 (propagate_rhs_into_lhs): Same.
2671 * tree-nrv.c (tree_nrv): Same.
2672 (execute_return_slot_opt): Same.
2673 * tree-ssa-propagate.c (get_rhs): Same.
2675 (stmt_makes_single_load): Same.
2676 (stmt_makes_single_store): Same.
2677 (replace_vuses_in): Same.
2678 (fold_predicate_in): Same.
2679 (substitute_and_fold): Same.
2680 * tree-ssa-alias.c (compute_call_clobbered): Same.
2681 (recalculate_used_alone): Same.
2682 (count_uses_and_derefs): Same.
2683 (is_escape_site): Same.
2684 (find_used_portions): Same.
2685 * gimple-low.c (lower_stmt): Same.
2686 (block_may_fallthru): Same.
2687 (lower_return_expr): Same.
2688 * tree-ssa-sink.c (is_hidden_global_store): Same.
2689 (statement_sink_location): Same.
2690 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2691 * expr.c (safe_from_p): Same.
2692 (expand_expr_real): Same.
2693 (expand_expr_real_1): Same.
2694 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2695 * predict.c (expr_expected_value): Same.
2696 (strip_builtin_expect): Same.
2697 (apply_return_prediction): Same.
2698 (tree_bb_level_predictions): Same.
2699 (tree_estimate_probability): Same.
2700 * tree-vn.c (vn_compute): Same.
2701 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2702 (remove_stmt_from_eh_region_fn): Same.
2703 (do_return_redirection): Same.
2704 (honor_protect_cleanup_actions): Same.
2705 (lower_try_finally_switch): Same.
2706 (lower_eh_constructs_1): Same.
2707 (tree_could_throw_p): Same.
2708 (verify_eh_throw_stmt_node): Same.
2709 * function.c (gimplify_parameters): Same.
2710 * tree-vectorizer.c (vect_is_simple_use): Same.
2711 (vect_is_simple_reduction): Same.
2712 * ipa-type-escape.c (scan_for_refs): Same.
2713 * tree-if-conv.c (tree_if_conversion): Same.
2714 (tree_if_convert_stmt): Same.
2715 (if_convertible_gimplify_modify_stmt_p): Rename from
2716 if_convertible_modify_expr_p.
2717 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2718 (ifc_temp_var): Same.
2719 (replace_phi_with_cond_modify_stmt): Rename from
2720 replace_phi_with_cond_modify_expr.
2721 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2722 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2723 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2725 * tree-flow-inline.h (var_ann): Same.
2726 (function_ann): Same.
2728 (mark_non_addressable): Same.
2729 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2730 * gimplify.c (tree_to_gimple_tuple): New.
2731 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2732 (gimplify_return_expr): Same.
2733 (gimplify_decl_expr): Same.
2734 (gimplify_self_mod_expr): Same.
2735 (gimplify_cond_expr): Same.
2736 (gimplify_init_constructor): Same.
2737 (gimplify_modify_expr): Same.
2738 (gimplify_expr): Same.
2739 (gimplify_function_tree): Same.
2740 (force_gimple_operand): Same.
2741 * tree-ssa-phiopt.c (conditional_replacement): Same.
2742 (minmax_replacement): Same.
2743 (abs_replacement): Same.
2744 * tree-dfa.c (create_var_ann): Same.
2745 (create_function_ann): Same.
2746 (create_stmt_ann): Same.
2747 (create_tree_ann): Same.
2748 (collect_dfa_stats_r): Same.
2749 * tree-ssa-pre.c (find_or_generate_expression): Same.
2750 (create_expression_by_pieces): Same.
2751 (try_look_through_load): Same.
2752 (insert_fake_stores): Same.
2753 (realify_fake_stores): Same.
2754 (compute_avail): Same.
2757 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2758 Adjust for GIMPLE_MODIFY_STMT.
2759 (NECESSARY): Adjust for new `common' layout.
2760 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2762 * tree-sra.c (sra_walk_modify_stmt): Rename from
2763 sra_walk_modify_expr.
2764 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2765 (generate_copy_inout): Same.
2766 (generate_element_copy): Same.
2767 (generate_element_zero): Same.
2768 (scalarize_copy): Same.
2769 * tree-mudflap.c (mf_decl_cache_locals): Same.
2770 (mf_build_check_statement_for): Same.
2771 (mf_xform_derefs): Same.
2772 * ipa-prop.c (ipa_method_modify_stmt): Same.
2773 * print-tree.c (print_node): Handle gimple tuples.
2774 Add case for tcc_gimple_stmt.
2775 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2777 (copy_prop_visit_assignment): Same.
2778 (copy_prop_visit_stmt): Same.
2779 (init_copy_prop): Same.
2780 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2781 (forward_propagate_into_cond_1): Same.
2782 (find_equivalent_equality_comparison): Same.
2783 (tidy_after_forward_propagate_addr): Same.
2784 (forward_propagate_addr_expr_1): Same.
2785 (simplify_not_neg_expr): Same.
2786 (simplify_switch_expr): Same.
2787 * tree-ssa-dce.c (find_pdom): Same.
2788 (mark_stmt_if_obviously_necessary): Same.
2789 (NECESSARY): Adjust for new `common' layout.
2790 * tree-flow.h: Same.
2791 * tree-vect-patterns.c (widened_name_p): Adjust for
2793 (vect_recog_dot_prod_pattern): Same.
2794 (vect_recog_widen_sum_pattern): Same.
2795 (vect_pattern_recog_1): Same.
2796 * tree-nested.c (init_tmp_var): Same.
2797 (save_tmp_var): Same.
2799 (convert_call_expr): Same.
2800 (finalize_nesting_tree_1): Same.
2801 * tree-ssa.c (verify_ssa): Same.
2802 (delete_tree_ssa): Same.
2803 * lambda-code.c (lbv_to_gcc_expression): Same.
2804 (lle_to_gcc_expression): Same.
2805 (lambda_loopnest_to_gcc_loopnest): Same.
2806 (can_put_in_inner_loop): Same.
2807 (can_convert_to_perfect_nest): Same.
2808 (perfect_nestify): Same.
2809 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2810 * tree-inline.c (copy_body_r): Same.
2811 (setup_one_parameter): Same.
2812 (initialize_inlined_parameters): Same.
2813 (estimate_num_insns_1): Same.
2814 (expand_call_inline): Same.
2815 (gimple_expand_calls_inline): Same.
2816 (copy_tree_r): Same.
2817 * tree-optimize.c (execute_free_cfg_annotations): Same.
2818 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2819 (vect_align_data_ref): Same.
2820 (vect_create_data_ref_ptr): Same.
2821 (vect_init_vector): Same.
2822 (vect_create_epilog_for_reduction): Same.
2823 (vectorizable_reduction): Same.
2824 (vectorizable_assignment): Same.
2825 (vectorizable_operation): Same.
2826 (vectorizable_store): Same.
2827 (vectorizable_load): Same.
2828 (vectorizable_live_operation): Same.
2829 (vectorizable_condition): Same.
2830 (vect_generate_tmps_on_preheader): Same.
2831 (vect_create_cond_for_align_checks): Same.
2832 * tree-object-size.c (collect_object_sizes_for): Same.
2833 (check_for_plus_in_loops_1): Same.
2834 (check_for_plus_in_loops): Same.
2835 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2836 (replace_use_variable): Same.
2837 (check_replaceable): Same.
2838 (rewrite_trees): Same.
2839 (identical_copies_p): Same.
2840 (insert_backedge_copies): Same.
2841 * tree-profile.c (tree_gen_edge_profiler): Same.
2842 * tree-vect-generic.c (expand_vector_operations_1): Same.
2843 * tree-ssa-structalias.c (update_alias_info): Same.
2844 (find_func_aliases): Same.
2845 * tree-cfg.c (factor_computed_gotos): Same.
2847 (make_goto_expr_edges): Same.
2848 (tree_merge_blocks): Same.
2849 (remove_useless_stmts_cond): Same.
2850 (remove_useless_stmts_1): Same.
2851 (tree_find_edge_insert_loc): Same.
2852 (verify_expr): Same.
2853 (gimplify_val): Same.
2854 (verify_gimple_tuples_1): New.
2855 (verify_gimple_tuples): New.
2856 (verify_stmts): Call verify_gimple_tuples.
2857 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2858 (get_unary_op): Same.
2859 (linearize_expr): Same.
2860 (get_single_immediate_use): Same.
2861 (negate_value): Same.
2862 (should_break_up_subtract): Same.
2863 (break_up_subtract): Same.
2864 (repropagate_negates): Same.
2865 (break_up_subtract_bb): Same.
2866 (reassociate_bb): Same.
2867 * config/i386/i386.c (ix86_va_start): Same.
2868 (ix86_gimplify_va_arg): Same.
2869 * stmt.c (expand_expr_stmt): Same.
2870 (warn_if_unused_value): Same.
2871 (expand_return): Same.
2872 * tree-ssanames.c (make_ssa_name): Same.
2873 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2874 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2875 (add_virtual_operand): Same.
2876 (get_expr_operands): Same.
2877 (parse_ssa_operands): Same.
2878 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2880 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2882 * config.host: Remove extra blank line.
2884 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2886 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2887 target is also an x86 variant.
2889 2006-12-05 Richard Guenther <rguenther@suse.de>
2891 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2892 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2893 (ix86_builtin_vectorized_function): New function to vectorize
2896 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2898 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2899 ia64_override_options.
2901 2006-12-04 Jan Hubicka <jh@suse.cz>
2903 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2906 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2908 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2909 * config/bfin/bfin.c: Include "timevar.h".
2910 (bfin_flag_schedule_insns2, splitting_for_sched,
2911 bfin_flag_var_tracking): New variables.
2912 (print_operand): Handle '%!'.
2913 (override_options): Disable normal sched2 pass, instead set
2914 bfin_flag_schedule_insns2 for reorg to handle it.
2915 (output_file_start): Likewise for var-tracking.
2916 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2917 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2919 (bfin_reorg): Do second scheduling pass here, and call
2920 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2921 of examining insns directly. If bfin_flag_var_tracking, call
2922 var-tracking pass when done with everything else.
2923 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2924 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2925 (movsi_insn32): New pattern, with two new splits to create it
2926 before the final scheduling pass.
2927 (neghi2): Not a dsp32 insn, rather alu0.
2928 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2929 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2930 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2931 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2932 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2933 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2934 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2935 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2936 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2937 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2938 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2939 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2940 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2941 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2942 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2943 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2944 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2945 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2946 variants instead of ';'.
2947 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2948 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2949 (align8, align16, align24): Now named patterns; also using '%!'.
2952 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2954 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2955 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2957 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2959 * config/spu/spu-protos.c (spu_split_address): Add.
2960 * config/spu/spu.c (spu_split_address): Add.
2961 (print_operand): Handle HIGH.
2962 (spu_legitimate_address): Don't test for aligned CONST.
2963 (spu_expand_mov): Don't split addresses here.
2964 * config/spu/constraints.md (A): Don't test legitimate_const.
2965 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2966 (ceq_di): Use correct predicates.
2968 2006-12-04 Eric Christopher <echristo@apple.com>
2970 * config/darwin.h: Update copyright notice.
2971 * config/i386/darwin.h: Ditto.
2973 2006-12-04 Jan Hubicka <jh@suse.cz>
2975 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2976 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2978 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2980 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2982 * tree-ssa-structalias.c (set_used_smts): Export.
2983 (find_what_p_points_to): Don't call set_used_smts here.
2984 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2986 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2988 * tree-ssa-alias.c (compute_may_aliases):
2989 Compute flow sensitive before flow insensitive.
2990 (compute_flow_sensitive_aliasing): Don't try to add
2991 a symbol memory tag to itself.
2993 * alias.h (alias_set_subset_of): New prototype.
2995 * alias.c (alias_set_subset_of): New function.
2997 * tree-ssa-structalias.c: Update comments.
2998 (struct variable_info): Add finished_solution.
2999 (new_varinfo): Set finished solution to NULL.
3000 (var_escaped_vars): Remove.
3001 (escaped_vars_tree): Remove.
3002 (escaped_vars_id): Remove.
3003 (nonlocal_vars_id): Remove.
3004 (constraint_expr_type): Add INCLUDES.
3005 (graph_size): Removed.
3006 (dump_constraint): Support INCLUDES.
3007 (build_constraint_graph): Ditto.
3008 (collapse_nodes): Add merge_solutions argument.
3009 Don't merge attributes.
3010 (process_unification_queue): Just use collapse_nodes.
3011 (perform_var_substitution): Update call to collapse_nodes.
3012 (get_constraint_exp_from_ssa_var): Use INCLUDES.
3013 (process_constraint): Fix non-field sensitive handling
3015 (get_constraint_for): Use INCLUDES.
3016 (make_constraint_from_anything): Renamed from
3017 make_constraint_from_escaped.
3018 (make_constraint_to_escaped): Removed.
3019 (find_global_initializers): Removed.
3020 (create_variable_info_for): Do not make constraints to escaped
3022 (dump_solution_for_var): Don't print out the equivalent points-to
3023 sets, just use the name of the variable it shares it with.
3024 (intra_create_variable_infos): Use INCLUDES.
3025 Change nonlocal variable sets to anything sets.
3026 (init_base_vars): Remove escaped_vars and nonlocal_var
3028 (find_escape_constraints): Removed.
3029 (delete_points_to_sets): Remove dead code.
3030 (used_smt_calculated): New variable.
3031 (set_used_smts): New function.
3032 (merge_smts_into): New function.
3033 (find_what_p_points_to): Modify to use SMTs.
3034 (create_nonlocal_var): Remove.
3036 * tree-ssa-operands.c (access_can_touch_variable): Remove
3037 reference to nonlocal_all.
3039 * tree-ssa.c (verify_name_tags): Remove.
3041 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
3043 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3044 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3046 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
3048 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3049 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3050 (add_livein_if_notdef): Delete.
3051 (loe_visit_block): New. Propogate live on entry info for a block into
3052 each predecessor. If it changes, make sure it is visited again.
3053 (live_worklist): Visit every block and update the live on entry info
3054 for preds. Iterate over any that changed.
3055 (set_var_live_on_entry): Populate the live on entry blocks with bits
3056 based on the immediate uses of a var.
3057 (calculate_live_on_entry): Remove.
3058 (calculate_live_on_exit): Calculate live on exit based on the newly
3059 oriented live on entry bits.
3060 (calculate_live_ranges): Build live on entry and exit vectors.
3061 (dump_live_info): Use new orientation of live on entry bitmaps.
3062 (verify_live_on_entry): New. Split out verification code from old
3063 calculate_live_on_entry routine.
3064 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3065 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3066 basic_block instead of for a partition.
3067 (live_merge_and_clear): Add asserts.
3068 (make_live_on_entry): Set partition bit in basic block vector.
3070 2006-12-04 Jakub Jelinek <jakub@redhat.com>
3073 * omp-low.c (expand_omp_for_static_nochunk,
3074 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3078 * omp-low.c (determine_parallel_type): Don't try to optimize combined
3079 parallels if region->exit or region->inner->exit is NULL.
3080 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3082 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3083 (expand_omp_for): Use expand_omp_for_generic if either region->cond
3084 or region->exit is NULL.
3085 (expand_omp_sections): Handle NULL region->cond or region->exit.
3088 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3090 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3091 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3093 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
3095 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3096 TYPE_MAX_VALUE for scalar types here but...
3097 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3098 is attached an error mark, and the return value of the callback
3099 if it is not NULL_TREE.
3101 2006-12-04 Ben Elliston <bje@au.ibm.com>
3103 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3105 2006-12-03 Eric Christopher <echristo@apple.com>
3108 * config/t-slibgcc-darwin: Pass -install_name.
3109 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3110 libtool. Only pass through options that the linker recognizes.
3111 (LINK_SPEC): Update comment. Translate options.
3112 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3113 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3115 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3117 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3119 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3122 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3123 operands[1] in insn constraint. Correct type attribute to sselog1.
3125 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3128 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3130 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3131 processor detection.
3133 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3134 -march=native if there is no -mtune=*.
3136 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3139 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3141 * doc/install.texi: Update recommended MPFR version. Remove
3142 obsolete reference to cumulative patch.
3144 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3147 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3149 2006-11-30 Jan Hubicka <jh@suse.cz>
3150 Uros Bizjak <ubizjak@gmail.com>
3152 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3153 32bit memcpy/memset decriptors.
3154 (decide_alg): With -minline-all-stringops and sizes that are best
3155 to be copied via libcall still work hard enough to pick non-libcall
3158 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3160 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3162 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3163 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3164 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3165 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3166 config/spu/spu-c.c, config/spu/spu-modes.def,
3167 config/spu/spu.c, config/spu/spu.md,
3168 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3169 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3170 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3171 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3172 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3173 spelling conventions.
3175 * config/i386/i386.c: Fix a comment typo.
3177 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3179 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3180 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3181 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3182 better optimization.
3183 (floatv4siv4sf2): New.
3184 (fix_truncv4sfv4si2): New.
3185 (floatunsv4siv4sf2): New.
3186 (fixuns_truncv4sfv4si2): New.
3194 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3195 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3196 spu_resolve_overloaded_builtin instead of static inline functions.
3198 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3200 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3201 type instead of the size of its mode to compute the highest and
3202 lowest possible values. Still check the size of the mode before
3203 flipping the signedness of the comparison.
3205 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3207 * config/spu/predicates.md (spu_mov_operand): Add.
3208 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3209 (print_operand_address, print_operand): Handle addresses containing AND.
3210 (spu_split_load, spu_split_store): Use updated movti pattern.
3211 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3212 stores in mov patterns for correct operation of reload.
3213 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3215 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3218 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3220 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3222 * common.opt (ftree-combine-temps): Remove.
3223 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3224 (coalesce_ssa_name): Don't check for combine-temps.
3225 (coalesce_vars): Remove.
3226 (check_replaceable): Use num_imm_uses.
3227 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3228 check for combine-temps.
3229 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3230 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3231 to register_ssa_partition calls.
3232 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3233 (init_var_map, delete_var_map): remove refernces to ref_count.
3234 (create_ssa_var_map): Never calculate a ref count.
3235 (type_var_init): Remove.
3236 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3237 (SSA_VAR_MAP_REF_COUNT): Delete.
3238 (create_ssa_var_map): Change Prototype to have no parameters.
3239 (version_ref_count): Delete.
3240 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3242 (type_var_num, type_var, type_var_first_partition,
3243 type_var_next_partition, type_var_dump, type_var_delete,
3244 type_var_remove_partition, type_var_find, type_var_compact,
3245 type_var_decompact): Remove.
3247 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3249 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3252 2006-12-01 Richard Guenther <rguenther@suse.de>
3255 * dwarf2out.c (struct pubname_struct): Make name const.
3256 (add_pubtype): Do not xstrdup identifiers.
3258 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3260 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3261 multiword accesses are in range.
3263 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3265 PR tree-optimization/29921
3266 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3267 (set_lattice_value): Use canonicalize_float_value.
3269 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3271 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3272 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3273 (spu_cpu_cpp_builtins): Remove.
3274 (spu_override_options): Don't set warn_main.
3275 (spu_force_reg): Move from spu-c.c.
3276 (spu_check_builtin_parm): Likewise.
3277 (expand_builtin_args): Likewise.
3278 (spu_expand_builtin_1): Likewise.
3279 (spu_expand_builtin): Likewise.
3280 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3281 warn_main and targetm.resolve_overloaded_builtin.
3282 * config/spu/spu-c.c (spu_builtin_range): Remove.
3283 (spu_check_builtin_parm): Remove.
3284 (expand_builtin_args): Remove.
3285 (spu_expand_builtin_1): Remove.
3286 (spu_expand_builtin): Remove.
3287 (spu_cpu_cpp_builtins): Moved from spu.c
3288 (spu_force_reg): Remove.
3290 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3291 David Edelsohn <edelsohn@gnu.org>
3294 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3295 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3296 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3297 HARD_REGNO_NREGS_WITH_PADDING): Define.
3298 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3299 HARD_REGNO_NREGS_WITH_PADDING): Define.
3300 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3301 Use new macros to detect modes with holes; do not look at integer
3303 (subreg_offset_representable_p): Check for and disallow cases
3304 where the modes use different numbers of bits from registers.
3305 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3306 constant for soft-float.
3307 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3309 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3310 in E500 double case.
3311 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3312 (movtf_softfloat): New.
3314 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3316 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3317 simplify_gen_subreg.
3319 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3321 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3322 (COALESCE_HASH_FN): New. Define hash function.
3323 (partition_pair_map_hash): New. Hash value for a partition pair.
3324 (partition_pair_map_eq): New. Equality for hash pairs.
3325 (create_coalesce_list): Create hash table.
3326 (delete_coalesce_list): Free hash table.
3327 (find_partition_pair): Find/create pairs in hash table.
3328 (compare_pairs): Sort pairs in ascending order now.
3329 (num_coalesce_pairs): New. Number of pairs in hash table.
3330 (struct partition_pair_iterator): Iterator struct for pair table.
3331 (first_partition_pair): Iterator function for first pair.
3332 (end_partition_pair_p): Iterator function for end of iteration.
3333 (next_partition_pair): Iterator function for next pair.
3334 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3335 (sort_coalesce_list): Sort pairs from hash table into an array.
3336 (pop_best_coalesce): Take pairs from the array.
3337 (dump_coalesce_list): Update to use hash table or sorted array.
3338 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3339 (struct coalesce_list_d): Add hash table related fields.
3341 2006-11-30 Jan Hubicka <jh@suse.cz>
3344 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3345 memmove/bcopy->memcpy conversion.
3347 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3349 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3350 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3351 Default is the largest alignment supported for 32-bit ELF and
3352 representable on a 32-bit host.
3354 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3356 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3358 2006-11-30 Jan Hubicka <jh@suse.cz>
3360 * tree-ssa-operands.h (struct ssa_operands): New.
3361 * tree-flow-inline.h (gimple_ssa_operands): New function.
3362 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3363 * Makefile.in: Remove gt-tree-ssa-operands.h
3364 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3365 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3366 operand_memory, operand_memory_index, ops_active): Remove statics.
3367 (ALLOC_OPTYPE): Update.
3368 (operand_build_sort_virtual): Update.
3369 (ssa_operands_active): Update.
3370 (init_ssa_operands): Update.
3371 (fini_ssa_operands): Update.
3372 (ssa_operand_alloc): Update.
3373 (INITIALIZE_USE): Update.
3374 (finalize_ssa_use_ops): Update.
3375 (finalize_ssa_v_may_def_ops): Update.
3376 (finalize_ssa_vuse_ops): Update.
3377 (finalize_ssa_v_must_def_ops): Update.
3379 2006-11-30 Richard Guenther <rguenther@suse.de>
3381 * tree-vectorizer.h (vectorizable_function): Export.
3382 * tree-vect-transform.c (vectorizable_function): Likewise.
3383 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3384 type_in to scalar type in recognition of squaring.
3385 Make sure the target can vectorize sqrt in recognition
3386 of sqrt, set type_in to vector type in this case.
3388 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3390 * config/i386/i386.md (R10_REG): New constant.
3391 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3392 (ix86_emit_restore_regs_using_mov): Ditto.
3393 (ix86_expand_call): Ditto.
3394 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3396 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3398 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3399 * alias.c (canon_true_dependence): Update comment.
3401 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3403 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3404 at the end of a diagnostics message.
3406 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3407 until after asserting that it was allocated in the right pool.
3409 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3410 successor edge information as well. Make output of live regs
3411 on exit consistent with live regs on entry.
3413 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3416 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3417 insn patterns for TARGET_80387.
3418 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3419 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3420 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3421 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3422 Generate truncxf<mode>2 insn patterns for strict SSE math.
3424 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3426 * config/i386/i386.md (movsf_1): Enable pattern for standard
3427 80387 constants before reload when optimizing for size.
3428 (*movdf_nointeger, *movdf_integer): Ditto.
3429 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3430 80387 constants before reload when not optimizing for size.
3432 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3433 extension of XFmode input operands.
3435 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3437 * config/spu/crt0.c (__dso_handle): Define.
3439 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3441 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3442 when clearing the used flags.
3444 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3446 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3448 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3451 * config/spu/spu.md (extend_compare<mode>): New pattern.
3452 (extend_compare): Change to expand and use the above pattern.
3454 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3456 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3458 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3459 (DFP_INIT_ROUNDMODE): Define.
3460 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3461 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3463 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3465 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3466 Update documentation.
3467 (associate_line_notes_with_blocks): Kill.
3468 (extend_bb): Remove basic block argument, put void instead.
3469 Remove line number handling for each bb.
3470 (save_line_notes): Kill.
3471 (restore_line_notes): Kill.
3472 (sched_init): Remove line_note_head initialization.
3473 Change extend_bb call.
3474 (sched_finish): Remove free of line_note_head.
3475 (add_block): Change extend_bb call.
3476 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3477 rm_line_notes and restore_line_notes calls.
3478 (schedule_ebbs): Remove rm_redundant_line_notes.
3479 * sched-int.h (struct haifa_insn_data): Remove line_note.
3480 (save_line_notes): Remove declaration.
3481 (restore_line_notes): Remove declaration.
3482 * modulo-sched.c (loop_canon_p): Update debug info printing
3483 by using insn locators instead of line note.
3484 (sms_schedule): Update debug info printing, by using insn
3485 locators instead of line note.
3486 * sched-rgn.c (debug_dependencies): Remove handling of case
3487 n>0 (line number), since it's a dead code.
3488 (schedule_region): Remove save_line_notes and
3489 restore_line_notes calls.
3491 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3493 * config/rs6000/predicates.md (gpc_reg_operand): Check
3494 invalid_e500_subreg.
3495 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3496 SImode subregs of SPE vectors.
3497 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3498 * jump.c (true_regnum): Require subregs to satisfy
3499 subreg_offset_representable_p.
3501 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3502 Steven Bosscher <stevenb.gcc@gmail.com>
3504 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3505 since it no longer exists.
3507 2006-11-29 Duncan Sands <baldrick@free.fr>
3509 PR tree-optimization/23744
3510 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3512 2006-11-29 Duncan Sands <baldrick@free.fr>
3514 PR tree-optimization/23744
3515 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3517 2006-11-29 Duncan Sands <baldrick@free.fr>
3519 PR tree-optimization/23744
3520 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3522 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3524 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3526 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3528 * sh.opt (minline-ic_invalidate): New option.
3529 (musermode): Adjust comment.
3530 * sh.c (sh_initialize_trampoline): Emit library call unless
3531 is set; if it is set, don't emit library call if we can use icbi
3533 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3534 icbi for TARGET_SH4_300.
3535 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3536 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3537 -musermode documentation.
3539 2006-11-29 Jim Tison <jtison@us.ibm.com>
3541 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3542 __gthread_recursive_mutex_init): Define.
3544 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3546 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3547 STRICT_ALIGNMENT and the type is more aligned than the saved
3548 registers, copy via a temporary.
3550 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3553 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3556 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3558 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3560 2006-11-28 Jan Hubicka <jh@suse.cz>
3562 Privatize SSA variables into gimple_df.
3563 * tree-flow-inline.h
3564 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3565 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3566 gimple_nonlocal_all): New accessors.
3567 (first_referenced_var): Update.
3568 (mark_stmt_modified): Update.
3569 (is_call_clobbered): Update.
3570 (mark_call_clobbered): Update.
3571 (clear_call_clobbered): Update.
3572 (mark_non_addressable): Update.
3573 * tree-vrp.c (get_value_range): Update.
3574 * tree-into-ssa.c (in_ssa_p): Kill.
3575 (get_default_def_for): Update.
3576 (rewrite_into_ssa): Update.
3577 * tree-complex.c (init_parameter_lattice_values): Update.
3578 (update_complex_assignment): Update.
3579 (update_parameter_components): Update.
3580 (expand_complex_libcall): Update.
3581 (expand_complex_operations_1): Update.
3582 * tree-tailcall.c (arg_needs_copy_p): Update.
3583 (add_virtual_phis): Update.
3584 (tree_optimize_tail_calls_1): Update.
3585 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3586 * tree-ssa-copyrename.c
3587 (copy_rename_partition_coalesce): Update.
3588 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3589 * tree-ssa-propagate.c (set_rhs): Update.
3590 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3591 addressable_vars, global_var):Kill.
3592 (set_initial_properties): Update.
3593 (init_alias_info): Update.
3594 (finalize_ref_all_pointers): Update.
3595 (setup_pointers_and_addressables): Update.
3596 (maybe_create_global_var): Update.
3597 (create_global_var): Update.
3598 (dump_points_to_info): Update.
3599 * function.h (struct gimple_df): Forward declare.
3600 (struct function): Add GIMPLE_DF field.
3601 * gimplify.c (force_gimple_operand): Update.
3602 * tree-dfa.c (referenced_vars, default_defs): KIll.
3603 (make_rename_temp): Update.
3604 (dump_variable): Update.
3605 (referenced_var_lookup): Update.
3606 (referenced_var_check_and_insert): Update.
3607 (default_def): Rename to ...
3608 (gimple_default_def): ... this one; accept cfun argument.
3609 (set_default_def): Update.
3610 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3611 (cleanup_control_flow): Update.
3612 * tree-ssa-pre.c (compute_avail): Update
3613 * tree-ssa-live.c (calculate_live_on_entry): Update.
3614 * tree-ssa.c (verify_use): Update.
3615 (verify_call_clobbering): Update.
3616 (verify_call_clobbering): Update.
3617 (init_tree_ssa): Update.
3618 (delete_tree_ssa): Update.
3619 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3620 (rewrite_out_of_ssa): Update.
3621 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3622 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3624 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3625 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3626 addressable_vars, aliases_computed_p): Kill.
3627 (default_def): Rename to...
3628 (gimple_default_def): ... this one.
3629 (defaule_def_fn): Kill.
3630 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3631 * tree-ssa-structalias.c (nonlocal_all): Kill.
3632 (get_constraint_exp_from_ssa_var): Update.
3633 (create_nonlocal_var): Update.
3634 (get_constraint_for): Update.
3635 (update_alias_info): Update.
3636 (find_global_initializers): Update.
3637 (intra_create_variable_infos): Update.
3638 (intra_create_variable_infos):
3639 (find_what_p_points_to): Update.
3640 (init_alias_heapvars): Update.
3641 * tree-cfg.c (remove_bb): Update.
3642 (gimplify_val): Update.
3643 * tree-ssa-reassoc.c (get_rank): Update.
3644 (init_reassoc): Update.
3645 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3646 (ssa_names, free_ssanames): Kill.
3647 (init_ssanames): Update.
3648 (make_ssa_name): Update.
3649 (release_ssa_name): Update.
3650 (release_defs): Update.
3651 (replace_ssa_name_symbol): Update.
3652 * tree-ssa-operands.c (access_can_touch_variable): Update.
3653 (add_virtual_operand): Update.
3654 (add_call_clobber_ops): Update.
3655 (add_call_read_ops): Update.
3656 (get_call_expr_operands): Update.
3657 (get_asm_expr_operands): Update.
3659 2006-11-28 Jan Hubicka <jh@suse.cz>
3661 * builtins.c: Include tree-flow.h.
3662 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3663 assignment; convert memmove to memcpy for sizes greater than 1 where
3664 alignment of operands prohibit the partial overlap.
3666 2006-11-28 Jan Hubicka <jh@suse.cz>
3668 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3669 * cgraph.c (dump_cgraph_node): Dump stack usage.
3670 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3671 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3672 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3673 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3674 (cgraph_check_inline_limits): Limit stack growth.
3675 * cfgexpand.c: Include tree-inline.h.
3676 (account_stack_vars): New function.
3677 (expand_one_var): New param to just account the stack; return estimated
3679 (expand_used_vars_for_block): Update call of expand_one_var.
3680 (account_used_vars_for_block): New function.
3681 (estimated_stack_frame_size): Likewise.
3682 (init_vars_expansion, fini_vars_expansion): Break out from..
3683 (expand_used_vars): ... here.
3684 * tree-inline.h (estimated_stack_frame_size): Declare.
3685 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3687 2006-11-28 Richard Guenther <rguenther@suse.de>
3689 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3690 unsigned long for printing OBJECT_SIZE.
3692 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3694 * alias.c (init_alias_analysis): Remove simplification loop
3695 after propagating pointers.
3697 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3699 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3702 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3704 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3706 2006-11-27 Roger Sayle <roger@eyesopen.com>
3707 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3709 * c-common.c (constant_fits_type_p): Delete.
3710 (unsigned_conversion_warning): Delete.
3711 (conversion_warning): Integrate Wconversion warning from
3712 unsigned_conversion_warning.
3713 (convert_and_check): Integrate Woverflow warning from
3714 unsigned_conversion_warning. Reorganize and simplify to avoid
3715 dependence upon the middle-end setting TREE_OVERFLOW on integral
3716 conversions, by using int_fits_type_p directly.
3718 2006-11-27 Tobias Burnus <burnus@net-b.de>
3720 * doc/invoke.texi: Fixed typo.
3722 2006-11-27 Michael Matz <matz@suse.de>
3723 Andreas Krebbel <krebbel1@de.ibm.com>
3726 * config/s390/predicates.md (larl_operand): Check addend of larl
3727 operand to be in range of -/+2GB.
3728 * config/s390/s390.c (legitimize_pic_address): Likewise.
3729 Changed type of variable even to HOST_WIDE_INT.
3731 2006-11-27 Jan Hubicka <jh@suse.cz>
3733 * expr.c (emit_block_move_via_libcall): Export.
3734 (clear_storage_via_libcall): Rename to ...
3735 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3736 (clear_storage): Update to set_storage_via_libcall.
3737 * expr.h (emit_block_move_via_libcall): Declare
3738 * config/i386/i386.h (stringop_alg): New enum.
3739 (MAX_STRINGOP_ALGS): New constant.
3740 (stringop_algs): New struct.
3741 (processor_costs): Add memcpy/memset descriptors.
3742 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3743 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3744 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3746 * config/i386/i386.opt (minline-stringops-dynamically,
3747 mstringop-strategy): New
3749 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3750 (ix86_expand-clrmem): Rename to ...
3751 (ix86_expand_setmem): ... this one; update prototype.
3752 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3753 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3754 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3755 nocona_cost, core2_cost, generic_cost, generic64_cost,
3756 generic32_cost): Add memcpy/memset descriptors.
3757 (x86_rep_movl_optimal): Remove.
3758 (stringop_alg): New static variable.
3759 (ix86_expand_aligntest): Handle predictions.
3760 (override_options): Add strgop_alg handling.
3761 (predict_jump): New function.
3762 (scale_counter): New function.
3763 (expand_set_or_movmem_via_loop): New function.
3764 (expand_movmem_via_rep_mov): New function.
3765 (expand_setmem_via_rep_stots): New function.
3766 (emit_strmov): New function.
3767 (expand_movmem_epilogue): New function.
3768 (expand_setmem_epilogue_via_loop): New function.
3769 (expand_setmem_epilogue): New function.
3770 (expand_movmem_prologue): New function.
3771 (expand_setmem_prologue): New function.
3772 (decide_alg): New function.
3773 (decide_alignment): New function.
3774 (ix86_exand_movmem): Rewrite.
3775 (promote_duplicated_reg): New function.
3776 (ix86_expand_clrmem): Rename to ...
3777 (ix86_expand_setmem): ... this one. Rewrite.
3779 * invoke.texi (minline-stringops-dynamically): New command line option.
3780 (mstringop-strategy): Likewise.
3782 2006-11-27 Jan Hubicka <jh@suse.cz>
3784 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3785 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3786 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3787 * insn-notes.def (FUNCTION_END): Remove.
3788 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3789 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3791 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3792 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3793 * cfglayout.c (duplicate_insn_chain): Don't worry about
3796 2006-11-27 Richard Guenther <rguenther@suse.de>
3797 Zdenek Dvorak <dvorakz@suse.cz>
3799 * target.h (struct gcc_target): Add builtin_vectorized_function
3801 * target-def.h (TARGET_VECTORIZE): Likewise.
3802 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3803 Document new target hook.
3804 * targhooks.h (default_builtin_vectorized_function): Declare.
3805 * targhooks.c (default_builtin_vectorized_function): Define.
3806 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3807 (vectorizable_call): Declare.
3808 * tree-vect-analyze.c (vect_analyze_operations): Call
3810 * tree-vect-transform.c (vectorizable_function): New static function.
3811 (build_vectorized_function_call): Likewise.
3812 (vectorizable_call): New function.
3813 (vect_transform_stmt): Handle vectorizable calls.
3815 2006-11-27 Richard Guenther <rguenther@suse.de>
3818 * builtins.c (expand_builtin_pow): Optimize non integer valued
3819 constant exponents using sqrt or cbrt if possible. Always fall back
3820 to expanding via optabs.
3822 2006-11-27 Ira Rosen <irar@il.ibm.com>
3824 PR tree-optimization/22372
3825 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3826 the type of the base address.
3827 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3828 it in the data-ref pointer creation.
3829 (vect_init_vector): Add an argument, type of the init vector. Use it in
3831 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3832 (get_initial_def_for_reduction): Likewise.
3833 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3835 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3836 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3837 correct type in stmt creation.
3838 (vect_setup_realignment): Use the correct type in stmt creation.
3839 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3841 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3842 of MODIFY_EXPR to void_type_node.
3843 (vectorizable_condition): Change type of MODIFY_EXPR to
3845 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3848 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3851 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3852 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3853 standard 80387 constants, raise the cost to prevent
3854 compress_float_constant() to generate load from memory.
3856 * config/i386/i386.md: Add new splitter pattern to split
3857 float_extended load of constant from constant pool into
3860 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3863 section to general section. Remove documentation for
3864 --with-mpfr-dir and --with-gmp-dir, add documentation for
3865 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3868 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3870 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3872 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3874 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3876 PR tree-optimization/29122
3877 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3878 for the new version. Assign NULL to DECL_RTL of the new version.
3880 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3882 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3884 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3886 * cse.c (cse_altered): Remove.
3887 (record_jump_equiv): Make true/false argument a bool instead
3889 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3890 where appropriate. Emit a new jump before the existing one
3891 instead of after so that delete_insn_and_edges removes the
3892 dead edges properly. Check any_condjump_p before calling
3894 (cse_basic_block): Check any_condjump_p before calling
3896 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3898 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3900 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3901 -ffixed-line-length-* options.
3903 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3905 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3906 (fprem1xf4): Rename to fprem1xf4_i387.
3908 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3909 Rename patterns to fmod<mode>3. Use general_operand operand
3910 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3911 patterns for SSE math.
3912 (remaindersf3, remainderdf3): Ditto.
3914 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3916 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3917 inside start_sequence / end_sequence pair.
3919 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3921 * jump.c (mark_all_labels): Work in cfglayout mode.
3922 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3923 when in cfglayout mode, because there are no dead jumptables
3925 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3927 (commit_edge_insertions): Do not allow insertion of instructions
3928 with control flow insns when in cfglayout mode.
3930 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3932 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3934 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3935 unswitch_loop): Ditto.
3936 * tree-loop-linear.c (linear_transform_loops): Ditto.
3937 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3938 tree_ssa_lim): Ditto.
3939 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3940 free_numbers_of_iterations_estimates): Ditto.
3941 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3942 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3943 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3944 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3945 place_new_loop, duplicate_loop, duplicate_subloops,
3946 update_single_exit_for_duplicated_loops, copy_loops_to,
3947 duplicate_loop_to_header_edge, create_preheaders,
3948 force_single_succ_latches, loop_version, fix_loop_structure):
3950 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3951 tree_unroll_loop): Ditto.
3952 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3953 * tree-scalar-evolution.c (select_loops_exit_conditions,
3954 scev_initialize, scev_analysis): Ditto.
3955 * tree-scalar-evolution.h (scev_initialize): Ditto.
3956 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3957 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3958 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3959 * modulo-sched.c (sms_schedule): Ditto.
3960 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3961 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3962 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3963 * ifcvt.c (if_convert): Ditto.
3964 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3965 canonicalize_loop_induction_variables,
3966 canonicalize_induction_variables,
3967 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3968 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3969 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3970 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3971 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3972 tree_ssa_loop_done): Ditto.
3973 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3974 estimate_bb_frequencies): Ditto.
3975 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3976 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3977 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3978 decide_unrolling_and_peeling, peel_loop_completely,
3979 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3980 peel_loop_simple, unroll_loop_stupid): Ditto.
3981 * loop-doloop.c (doloop_optimize_loops): Ditto.
3982 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3983 * loop-invariant.c (move_loop_invariants): Ditto.
3984 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3985 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3986 tree_ssa_prefetch_arrays): Ditto.
3987 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3989 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3990 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3991 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3992 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3993 verify_loop_structure): Ditto.
3994 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3995 canonicalize_induction_variables, tree_unroll_loops_completely,
3996 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3997 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3998 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3999 tree_unroll_loop, linear_transform_loops): Declaration changed.
4000 * basic-block.h: Remove declaration of struct loops.
4001 * cfghooks.h (struct cfg_hooks): Change type of
4002 cfg_hook_duplicate_loop_to_header_edge.
4003 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4004 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4005 vect_transform_loop): Declaration changed.
4006 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4007 * cfgloop.h (flow_loops_dump, fix_loop_structure,
4008 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4009 cancel_loop_tree, create_preheaders, force_single_succ_latches,
4010 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4011 loopify, loop_version, remove_path, unswitch_loops,
4012 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4013 Declaration changed.
4015 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
4017 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4018 (X87MODEF): New mode macro.
4019 (ssemodefsuffix): New mode attribute.
4020 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
4021 (sqrt_extend<mode>xf2_i387): New insn pattern.
4022 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4023 insn and truncate result back to original mode using
4024 UNSPEC_TRUNC_NOOP truncation.
4025 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4026 ssemodefsuffix mode attribute.
4027 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4028 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4029 (*sqrtextenddfxf2_i387): Remove insn patterns.
4031 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4032 truncation patterns.
4034 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4036 2006-11-24 Jakub Jelinek <jakub@redhat.com>
4039 * c-tree.h (c_maybe_initialize_eh): New prototype.
4040 * c-decl.c (finish_decl): Move EH initialization...
4041 (c_maybe_initialize_eh): ... here. New function.
4042 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4043 if not #pragma omp atomic.
4046 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4047 or UNION_TYPE inner types.
4049 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4052 * ipa-pure-const.c (check_tree): If the original tree
4053 is volatile return early and say the function is not pure
4054 nor const. Remove the volatile check for writes.
4055 (analyze_function): Print out the result of the local
4058 2006-11-24 Joseph Myers <joseph@codesourcery.com>
4060 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4062 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4063 * config/rs6000/rs6000.c (rs6000_override_options): Use
4064 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
4067 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
4069 * config/s390.c (s390_emit_compare_and_swap): New function.
4070 (s390_expand_cs_hqi, s390_expand_atomic): Call
4071 s390_emit_compare_and_swap.
4073 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4075 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4077 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4081 * c-common.c (conversion_warning): New.
4082 (convert_and_check): Call conversion_warning unless there is an
4084 * doc/invoke.texi (-Wconversion): Update description.
4086 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
4088 * tree-ssa-alias.c (tree_pointer_compare): New function.
4089 (compact_name_tags): New function.
4090 (group_aliases): Call compact_name_tags.
4092 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4094 * real.h (real_isinteger): Declare.
4095 * real.c (real_isinteger): Define.
4096 * builtins.c (integer_valued_real_p): Use it.
4098 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4101 * c.opt (Wtraditional-conversion): New.
4102 (Wconversion): Update description.
4103 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4104 type conversions different from what would happen in the absence
4105 of prototype are now handled by Wtraditional-conversion.
4106 * doc/invoke.texi (Wtraditional-conversion): New.
4107 (Wconversion): Update description.
4108 * doc/trouble.texi (Wconversion): Replace Wconversion by
4109 Wtraditional-conversion.
4111 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4113 * predict.c (tree_estimate_probability): Check to make
4114 sure current_loops is non null before calling flow_loops_dump.
4116 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4118 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4120 2006-11-23 David Ung <davidu@mips.com>
4122 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4124 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4125 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4126 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4127 high part of FP register when in 64-bit FP register mode. Similarly
4128 use gen_mfhc1 to load high part of FP register.
4129 (override_options): Allow -mgp32 and -mfp64 combination if
4130 ISA_HAS_MXHC1 (currently for O32 only).
4131 (mips_cannot_change_mode_class): If floating-point registers are
4132 bigger than word size. disallow conversion of float register from a
4133 large integer mode to a float mode smaller than the float register
4135 (mips_class_max_nregs): Handle float registers case seperately.
4136 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4138 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4139 (movdf_hardfloat_32bit): Similarly.
4140 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4141 support a full 64-bit fpu.
4142 (mthc1): New pattern to generate MTHC1 instruction.
4143 (mfhc1): New pattern to generate MFHC1 instruction.
4144 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4145 option for the MIPS32R2 and mention its use under O32 ABI.
4147 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4149 * var-tracking.c (emit_note_insn_var_location): Take care not to
4150 cause verify_flow_info failures.
4152 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4154 * tree-ssa-structalias.c: Remove edge weights in favor of just
4155 processing them as complex constraints.
4156 (struct constraint_graph): Remove weighted succs and preds. Rename
4157 nonweighted succs and preds.
4158 (constraint_edge): Removed.
4159 (constraint_edge_t): Ditto.
4160 (constraint_edge_pool): Ditto.
4161 (new_constraint_edge): Ditto.
4162 (constraint_edge_equal): Ditto.
4163 (constraint_edge_less): Ditto.
4164 (constraint_edge_vec_find): Ditto.
4165 (erase_self_graph_edge): Ditto.
4166 (add_graph_edge): Removed.
4167 (get_graph_weights): Ditto.
4168 (allocate_graph_weights): Ditto.
4169 (valid_weighted_graph_edge): Ditto
4170 (bitmap_other_than_zero_bit_set): Ditto.
4171 (int_add_graph_edge): Renamed to add_graph_edge.
4172 (clear_edges_for_node): Remove support for weighted edges.
4173 (merge_graph_nodes): Ditto.
4174 (valid_graph_edge): Ditto.
4175 (build_constraint_graph): Ditto.
4177 (collapse_nodes): Ditto.
4178 (process_unification_queue): Ditto.
4179 (topo_visit): Ditto.
4180 (do_ds_constraint): Ditto.
4181 (perform_var_subsitution): Ditto.
4182 (solve_graph): Ditto.
4183 (init_alias_vars): Ditto.
4184 (delete_points_to_sets): Ditto.
4185 (do_complex_constraint): Support offsetted copies here.
4187 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4189 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4191 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4193 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4196 2006-11-23 Ben Elliston <bje@au.ibm.com>
4198 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4200 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4202 PR tree-optimization/29921
4203 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4204 signed and unsigned zero equal.
4206 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4208 * config/rs6000/rs6000.c (get_store_dest): New.
4209 (adjacent_mem_locations): Use get_store_dest() to get
4210 the rtl of the store destination.
4212 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4214 * config/rs6000/spe.md (SPE64): New mode macro.
4215 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4217 (mov_si<mode>_e500_subreg0_2): New.
4218 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4220 (mov_si<mode>_e500_subreg4_2): New.
4221 * config/rs6000/predicates.md (input_operand): Do not allow
4222 invalid E500 subregs.
4223 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4225 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4226 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4227 involving vector modes if TARGET_SPE.
4229 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4232 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4233 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4235 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4237 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4238 mem_i_address_operand): New predicates.
4239 * config/bfin/bfin.c (bfin_issue_rate): New function.
4240 (TARGET_SCHED_ISSUE_RATE): New macro.
4241 * config/bfin/bfin.md (addrtype): New attribute.
4242 (slot0, slot1, slot2, store, pregs): New cpu_units.
4243 (core): Now a define_reservation.
4244 (alu): Remove some insn types from this reservation.
4245 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4247 (dummy reservation): Don't trigger for mcld insns.
4248 (absence_sets): Two new absence sets to enforce slot ordering.
4249 (popsi_insn): Set addrtype.
4251 2006-11-22 Ira Rosen <irar@il.ibm.com>
4253 * doc/c-tree.texi: Document new tree codes.
4254 * doc/md.texi: Document new optabs.
4255 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4257 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4258 * optabs.h (optab_index): Add new.
4259 (vec_extract_even_optab, vec_extract_odd_optab,
4260 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4261 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4262 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4264 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4265 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4266 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4267 along with macros for their access.
4268 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4270 * tree-vect-analyze.c (toplev.h): Include.
4271 (vect_determine_vectorization_factor): Fix indentation.
4272 (vect_insert_into_interleaving_chain,
4273 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4274 (vect_analyze_data_ref_dependence): Add argument for interleaving
4275 check. Check for interleaving if it's true.
4276 (vect_check_dependences): New function.
4277 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4278 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4279 (vect_update_misalignment_for_peel): Update for interleaving.
4280 (vect_verify_datarefs_alignment): Check only first data-ref for
4282 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4283 only first data-ref for interleaving.
4284 (vect_analyze_data_ref_access): Check interleaving, update
4286 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4287 with different parameters.
4288 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4289 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4290 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4291 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4292 Update step in case of interleaving.
4293 (vect_strided_store_supported, vect_permute_store_chain): New
4295 (vectorizable_store): Handle strided stores.
4296 (vect_strided_load_supported, vect_permute_load_chain,
4297 vect_transform_strided_load): New functions.
4298 (vectorizable_load): Handle strided loads.
4299 (vect_transform_stmt): Add argument. Handle strided stores. Check
4300 that vectorized stmt exists for patterns.
4301 (vect_gen_niters_for_prolog_loop): Update calculation for
4303 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4304 whole chain vectorization.
4305 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4306 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4307 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4308 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4309 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4311 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4313 * cse.c (enum taken): Remove PATH_AROUND.
4314 (addr_affects_sp_p, invalidate_skipped_set,
4315 invalidate_skipped_block): Remove.
4316 (cse_end_of_basic_block): Remove skip_blocks and related code.
4317 (cse_main): Don't test for flag_cse_skip_blocks.
4318 Update cse_end_of_basic_block call.
4319 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4320 code to lengthen the path if a jump was simplified.
4322 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4324 PR rtl-optimization/29924
4325 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4326 (unroll_loop_runtime_iterations): Assert that the argument passed to
4327 split_edge_and_insert is not NULL.
4328 * loop-doloop.c (add_test): Ditto.
4330 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4332 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4334 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4335 * cfgloopmanip.c (update_single_exits_after_duplication,
4336 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4337 * tree-scalar-evolution.c (get_loop_exit_condition,
4338 get_exit_conditions_rec, loop_closed_phi_def,
4339 number_of_iterations_in_loop, scev_const_prop): Ditto.
4340 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4341 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4343 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4345 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4346 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4347 slpeel_make_loop_iterate_ntimes,
4348 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4349 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4351 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4352 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4353 vect_analyze_loop_form): Ditto.
4354 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4355 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4356 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4357 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4358 vect_transform_loop): Ditto.
4359 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4360 (single_exit, set_single_exit): New functions.
4361 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4362 (single_exit, set_single_exit): Declare.
4363 * doc/loop.texi: Undocument single_exit field. Document single_exit
4366 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4368 PR tree-optimization/29902
4369 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4370 any involved ssa name appears in abnormal phi node.
4372 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4374 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4375 (xtensa_const_ok_for_letter_p): Delete.
4376 (xtensa_extra_constraint): Delete.
4377 (override_options): Delete xtensa_char_to_class initialization.
4378 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4379 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4380 (EXTRA_CONSTRAINT): Delete.
4381 * config/xtensa/xtensa.md: Include constraints.md.
4382 (call_internal): Combine alternatives.
4383 (call_value_internal): Likewise, and remove invalid constraints.
4384 * config/xtensa/constraints.md: New file.
4385 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4386 (xtensa_extra_constraint): Delete.
4387 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4390 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4392 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4393 of conversion that doesn't fit.
4395 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4396 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4397 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4399 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4401 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4403 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4405 2006-11-21 Richard Guenther <rguenther@suse.de>
4407 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4408 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4409 vect_recog_pow_pattern.
4410 (vect_recog_pow_pattern): New function.
4412 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4414 * config/bfin/bfin.opt (mstack-check-l1): New.
4415 * doc/invoke.texi (Blackfin Options): Document it.
4416 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4417 stack bounds in L1 memory if the new option is enabled.
4418 (override_options): Don't allow combinations of -fstack-limit and
4420 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4423 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4425 (bfin_register_move_cost): Bump costs if trying to move plain
4426 integer values through accumulators.
4428 2006-11-21 Ben Elliston <bje@au.ibm.com>
4430 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4432 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4433 Russell Olsen <Russell_Olsen@playstation.sony.com>
4434 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4435 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4436 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4437 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4438 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4440 * config.gcc: Add target for SPU.
4441 * config/spu/constraints.md: New file.
4442 * config/spu/crt0.c: New file.
4443 * config/spu/crtend.c: New file.
4444 * config/spu/crti.asm: New file.
4445 * config/spu/crtn.asm: New file.
4446 * config/spu/float_unsdidf.c: New file.
4447 * config/spu/float_unssidf.c: New file.
4448 * config/spu/predicates.md: New file.
4449 * config/spu/spu-builtins.def: New file.
4450 * config/spu/spu-builtins.h: New file.
4451 * config/spu/spu-builtins.md: New file.
4452 * config/spu/spu-c.c: New file.
4453 * config/spu/spu-elf.h: New file.
4454 * config/spu/spu-modes.def: New file.
4455 * config/spu/spu-protos.h: New file.
4456 * config/spu/spu.c: New file.
4457 * config/spu/spu.h: New file.
4458 * config/spu/spu.md: New file.
4459 * config/spu/spu.opt: New file.
4460 * config/spu/spu_internals.h: New file.
4461 * config/spu/spu_intrinsics.h: New file.
4462 * config/spu/spu_mfcio.h: New file.
4463 * config/spu/t-spu-elf: New file.
4464 * config/spu/vec_types.h: New file.
4465 * config/spu/vmx2spu.h: New file.
4466 * doc/contrib.texi: Document SPU contributor.
4467 * doc/extend.texi: Document SPU extensions.
4468 * doc/invoke.texi: Document SPU options.
4469 * doc/md.texi: Document SPU constraints.
4471 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4473 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4475 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4477 (flow_loop_dump): Do not dump loop level.
4478 (flow_loops_find): Do not call flow_loops_level_compute.
4479 * cfgloop.h (struct loop): Remove level field.
4481 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4483 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4484 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4485 Use vector of edges instead of array.
4486 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4487 estimate_numbers_of_iterations_loop): Ditto.
4488 * predict.c (predict_loops): Ditto.
4489 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4490 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4492 * basic-block.h: Declare heap allocation for edge vectors.
4493 * tree-outof-ssa.c: Ditto.
4494 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4495 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4497 2006-11-20 Zack Weinberg <zackw@panix.com>
4499 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4500 Add another out parameter, "skip".
4501 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4502 is tagged "skip", do not mark its type used.
4504 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4507 * tree-sra.c (single_scalar_field_in_record_p): New function.
4508 (decide_block_copy): Use it.
4510 2006-11-20 David Daney <ddaney@avtrex.com>
4512 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4513 PC to point to following instruction.
4515 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4519 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4521 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4523 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4525 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4526 Add sh/superh.h to tm_file.
4528 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4529 Mark Mitchell <mark@codesourcery.com>
4531 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4533 (cpp_relocated): New function.
4534 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4536 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4537 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4538 replace configured prefix with gcc_exec_prefix.
4540 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4542 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4543 bfin_legitimate_constant_p.
4544 * config/bfin/bfin.md (movsi expander): Check return value of
4546 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4547 (expand_move): Adjust prototype.
4548 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4549 invalid constants specially.
4550 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4552 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4554 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4555 sibcall_value_symbol): Allow these patterns if
4556 TARGET_LEAF_ID_SHARED_LIBRARY.
4557 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4558 (override_options): Turn on id shared library flags if -msep-data,
4559 but disallow the combination of these options on the command line.
4560 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4561 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4562 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4563 -mid-shared-library.
4564 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4565 * doc/invoke.texi (Blackfin Options): Document new switches.
4567 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4568 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4570 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4571 inflate costs for addresses with an out-of-bounds address.
4573 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4576 * fwprop.c (loops): Remove.
4577 (forward_propagate_into): Use current_loops instead of
4579 (fwprop_init): Call loop_optimizer_init instead of
4581 (fwprop_done): Call loop_optimizer_finalize instead of
4583 (fwprop): Use current_loops instead of loops.
4585 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4588 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4590 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4593 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4594 larger than BITS_PER_WORD.
4596 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4600 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4601 to MAX_FIXED_MODE_SIZE.
4603 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4605 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4606 (fold_builtin_fmin_fmax): New.
4607 (fold_builtin_1): Use it.
4609 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4611 2006-11-18 Richard Guenther <rguenther@suse.de>
4613 * config/i386/i386.c (ix86_builtins): New array for ix86
4614 builtin function decls.
4615 (def_builtin): New function.
4616 (def_builtin_const): Likewise.
4617 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4619 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4621 * doc/invoke.texi (core2): Add item.
4623 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4625 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4626 (TARGET_CPU_DEFAULT_generic): Change value.
4627 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4628 (processor_type): Add new constant PROCESSOR_CORE2.
4630 * config/i386/i386.md (cpu): Add core2.
4632 * config/i386/i386.c (core2_cost): New initialized variable.
4633 (m_CORE2): New macro.
4634 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4635 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4636 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4637 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4638 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4639 x86_accumulate_outgoing_args, x86_prologue_using_move,
4640 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4641 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4642 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4643 x86_pad_returns): Add m_CORE2.
4644 (override_options): Add entries for Core2.
4645 (ix86_issue_rate): Add case for Core2.
4647 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4649 * doc/invoke.texi: Fix mno-isel typo.
4651 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4653 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4654 easy vector constant loads.
4656 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4658 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4659 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4660 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4661 * config/rs6000/sync.md (lwsync): Emit plain sync if
4664 2006-11-17 DJ Delorie <dj@redhat.com>
4666 * reload1.c (reloads_unique_chain): New.
4667 (reloads_conflict): Call it.
4669 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4671 * config/xtensa/predicates.md (addsubx_operand): New.
4672 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4673 (xtensa_emit_bit_branch): New.
4674 (xtensa_emit_movcc): New.
4675 * config/xtensa/xtensa.md (any_minmax): New code macro.
4676 (minmax): New code attribute.
4677 (any_cond, any_scc, any_scc_sf): New code macros.
4678 (*addx2, *addx4, *addx8): Delete.
4680 (*subx2, *subx4, *subx8): Delete.
4682 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4683 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4684 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4685 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4686 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4687 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4688 (movsfcc_internal0, movsfcc_internal1): Likewise.
4689 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4690 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4691 (xtensa_emit_bit_branch): New.
4692 (xtensa_emit_movcc): New.
4693 (function_arg_boundary): Add missing prototype.
4695 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4697 * config/xtensa/xtensa.md (tstsi): Delete
4699 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4701 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4703 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4705 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4707 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4709 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4711 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4713 * tree-vrp.c (execute_vrp): Do not update current_loops.
4714 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4715 * doc/loop.texi: Remove documentation for cancelled functions.
4716 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4717 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4719 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4720 (remove_path): Ensure that in delete_basic_blocks, the loops
4721 are still allocated.
4722 (add_loop): Work on valid loop structures.
4723 (loopify): Modify call of add_loop.
4724 (mfb_update_loops): Removed.
4725 (create_preheader): Do not update loops explicitly.
4726 (force_single_succ_latches, loop_version): Do not use
4727 loop_split_edge_with.
4728 (loop_split_edge_with): Removed.
4729 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4730 Do not use bsi_insert_on_edge_immediate_loop.
4731 (split_loop_exit_edge, tree_unroll_loop): Do not use
4732 loop_split_edge_with.
4733 (bsi_insert_on_edge_immediate_loop): Removed.
4734 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4735 use loop_split_edge_with.
4736 * cfghooks.c: Include cfgloop.h.
4737 (verify_flow_info): Verify that loop_father is filled iff current_loops
4739 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4740 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4742 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4744 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4745 loop_split_edge_with.
4746 (sms_schedule): Use current_loops.
4747 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4748 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4750 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4751 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4752 * ifcvt.c (if_convert): Ditto.
4753 * predict.c (predict_loops): Do not clear current_loops.
4754 (tree_estimate_probability): Use current_loops.
4755 (propagate_freq): Receive head of the region to propagate instead of
4757 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4758 (estimate_loops): New function. Handle case current_loops == NULL.
4759 (estimate_bb_frequencies): Do not allocate tovisit. Use
4761 * tree-ssa-loop.c (current_loops): Removed.
4762 (tree_loop_optimizer_init): Do not return loops.
4763 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4764 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4765 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4766 Do not update loops explicitly.
4767 * function.h (struct function): Add x_current_loops field.
4768 (current_loops): New macro.
4769 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4770 * loop-unroll.c (split_edge_and_insert): New function.
4771 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4772 use loop_split_edge_with.
4773 * loop-doloop.c (add_test, doloop_modify): Ditto.
4774 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4775 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4776 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4777 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4779 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4780 (flow_loops_free): Do not free dfs_order and rc_order.
4781 (flow_loops_find): Do not set dfs_order and rc_order in loops
4782 structure. Do not call loops and flow info verification.
4783 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4784 already belongs to some loop.
4785 * cfgloop.h (struct loops): Remove struct cfg.
4786 (current_loops, loop_split_edge_with): Declaration removed.
4787 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4788 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4789 Declaration removed.
4790 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4791 * basic-block.h (split_edge_and_insert): Declare.
4792 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4794 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4796 PR tree-optimization/29801
4797 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4798 (get_default_value): Use get_symbol_constant_value.
4799 (set_lattice_value): ICE when the value of the constant is
4801 (visit_assignment): Ignore VDEFs of read-only variables.
4803 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4805 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4807 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4808 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4810 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4812 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4813 select subvars of var.
4815 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4818 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4819 optimize if DEF doesn't have integral type.
4821 2006-11-16 Mike Stump <mrs@apple.com>
4823 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4824 pre-darwin9 system, unless the user asks for it directly.
4825 (PREFERRED_DEBUGGING_TYPE): Likewise.
4826 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4827 * config.gcc: Add suppport for darwin9.h.
4828 * config/darwin9.h: Add.
4829 * doc/install.texi (Specific): Clarify darwin documentation.
4831 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4833 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4834 optimizing for size.
4836 2006-11-16 Mike Stump <mrs@apple.com>
4838 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4840 2006-11-16 Dirk Mueller <dmueller@suse.de>
4842 * tree-vrp.c (get_value_range): Use XCNEW instead
4844 (insert_range_assertions): Use XCNEWVEC instead
4845 of XNEWVEC and memset.
4846 (vrp_initialize): Same.
4847 (vrp_finalize): Same.
4848 * tree-ssa-ccp.c (ccp_initialize): Same.
4849 * predict.c (tree_bb_level_predictions): Same.
4850 * calls.c (expand_call): Same.
4851 * tree-ssa-copy.c (init_copy_prop): Same.
4852 (fini_copy_prop): Same.
4853 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4854 of GGC_NEW and memset.
4856 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4859 * gimplify.c (gimplify_expr): Only force a load for references to
4860 non-BLKmode volatile values.
4861 * doc/implement-c.texi (Qualifiers implementation): Document the
4862 interpretation of what a volatile access is.
4863 * doc/extend.texi (C++ Extensions): Rework same documentation.
4865 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4867 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4870 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4872 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4874 (arm_neg_abssi2): Renamed from neg_abssi2.
4875 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4877 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4879 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4880 number of arguments passed to local functions in SSE registers is 3.
4882 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4883 number of arguments passed in SSE registers to 3.
4885 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4888 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4890 (get_last_bb_insn): ... new global function.
4891 (basic_block.h): Declare it.
4892 * haifa-sched.c (create_recovery_block): Use it.
4894 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4897 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4899 2006-11-15 Paul Brook <paul@codesourcery.com>
4901 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4902 _Unwind_GetTextRelBase): Move from here ...
4903 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4904 _Unwind_GetTextRelBase): ... To here.
4906 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4908 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4909 addresses we generate for testing are aligned.
4911 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4914 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4915 to what is the const decl is a place holder for.
4917 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4919 * config/i386/i386.opt: New target option -mx87regparm.
4921 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4922 and float_in_x87 variables. mmx_words, sse_words: Remove.
4923 (X87_REGPARM_MAX): Define.
4925 * config/i386/i386.c (override_options): Error out for
4926 -mx87regparm but no 80387 support.
4927 (ix86_attribute_table): Add x87regparm.
4928 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4929 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4930 (ix86_function_x87regparm): New function.
4931 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4933 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4935 (function_arg_advance): Process x87_nregs and x87_regno when
4936 floating point argument is to be passed in 80387 register.
4937 (function_arg): Pass XFmode arguments in 80387 registers for local
4938 functions. Pass SFmode and DFmode arguments to local functions
4939 in 80387 registers when flag_unsafe_math_optimizations is set.
4941 * reg-stack.c (convert_regs_entry): Disable NaN load for
4942 stack registers that are used for argument passing.
4944 * doc/extend.texi: Document x87regparm function attribute.
4945 * doc/invoke.texi: Document -mx87regparm.
4947 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4949 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4950 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4951 arg MODE; all callers changed. Use it to determine validity per
4952 machine mode instead of using Pmode for all memory references.
4953 (get_address_cost): Likewise add and use new arg MEM_MODE.
4955 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4956 J"orn Rennecke <joern.rennecke@st.com>
4958 * combine.c (likely_spilled_retval_1): Fix masking operation.
4959 (likely_spilled_retval_p): Use proper pattern for call to
4960 likely_spilled_retval_1.
4962 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4964 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4966 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4967 that tests for CONSTANT_POOL_ADDRESS_P.
4969 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4971 PR tree-optimization/29581
4972 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4973 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4974 type is different between Y and USE, create a temporary
4975 variable, initialize it at the beginning of the body bb
4976 and use it as replacement instead of Y.
4978 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4981 * gimplify.c (fold_indirect_ref_rhs): Use
4982 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4984 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4986 * expmed.c (emit_store_flag_1): New function.
4987 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4989 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4990 Use do_compare_rtx_and_jump.
4991 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4992 * arm.md (cstoresi4): New define_expand.
4993 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4994 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4995 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4997 2006-11-14 Caroline Tice <ctice@apple.com>
4999 * dwarf2out.c (debug_pubtypes_section): New static global variable.
5000 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5002 (pubname_table): Redefine as a vector.
5003 (pubtype_table): New static global variable, defined as a vector.
5004 (pubname_table_allocated): Remove static global variable.
5005 (pubname_table_in_use): Remove static global variable.
5006 (PUBNAME_TABLE_INCREMENT): Remove constant.
5007 (size_of_pubnames): Add parameter to deal with either pubnames or
5008 pubtypes, and change code to deal with table being a vector.
5009 (add_pubname): Change to deal with table being a vector.
5010 (add_pubtype): New function.
5011 (output_pubnames): Add parameter to deal with either pubnames or
5012 pubtypes, and change code to deal with table being a vector.
5013 (gen_array_type_die): Add call to add_pubtype.
5014 (gen_enumeration_type_die): Add call to add_pubtype.
5015 (gen_struct_or_union_type_die): Add call to add_pubtype.
5016 (gen_subroutine_type_die): Add call to add_pubtype.
5017 (gen_typedef_die): Add call to add_pubtype.
5018 (dwarf2out_init): Add code to initialize pubname_table and
5019 pubtype_table vectors; also initialize debug_pubtypes_section.
5020 (prune_unused_types): Change to deal with pubnames being a vector.
5021 (dwarf2out_finish): Change to deal with pubnames being a vector; add
5022 pubnames table to call to output_pubnames; Add code to output pubtypes
5023 table if DEBUG_PUBTYPES_SECTION is defined.
5024 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
5026 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5028 2006-11-14 Joseph Myers <joseph@codesourcery.com>
5030 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5031 iwmmxt_nregs if TARGET_IWMMXT_ABI.
5032 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5033 movv2si_internal): Support moves between core registers.
5035 2006-11-14 Eric Christopher <echristo@apple.com>
5037 * configure: Regenerate with autoconf 2.59.
5039 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
5041 Fix PR tree-optimization/27755
5043 * tree-ssa-pre.c: Update comments.
5044 (bb_bitmap_sets): Add pa_in and deferred member.
5045 (BB_DEFERRED): New macro.
5046 (maximal_set): New variable.
5047 (pre_stats): Add pa_insert member.
5048 (bitmap_set_and): Short circuit orig == dest.
5049 (bitmap_set_subtract_values): New function.
5050 (bitmap_set_contains_expr): Ditto.
5051 (translate_vuses_through_block): Add phiblock argument.
5052 (dependent_clean): New function.
5053 (compute_antic_aux): Update for maximal_set changes.
5054 (compute_partial_antic_aux): New function.
5055 (compute_antic): Handle partial anticipation.
5056 (do_partial_partial_insertion): New function.
5057 (insert_aux): Handle partial anticipation.
5058 (add_to_sets): Add to maximal set.
5059 (compute_avail): Ditto.
5060 (init_pre): Initialize maximal_set.
5061 (execute_pre): Do partial anticipation if -O3+.
5063 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
5065 PR rtl-optimization/29798
5067 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5068 TARGET_INSN before any other check.
5069 (fwprop_init): Always calculate dominators.
5070 (fwprop_done): Always free them.
5072 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5077 2006-11-13 DJ Delorie <dj@redhat.com>
5079 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5080 temporary for intermediates.
5082 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
5084 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5085 (sh_optimize_target_register_callee_saved): #if 0 the code
5086 using NOTE_INSN_LOOP_{BEG,END}.
5088 2006-11-13 Roger Sayle <roger@eyesopen.com>
5090 * fold-const.c (optimize_bit_field_compare): Recursively call
5091 fold when simplifying non-constant comparisons between bit-fields.
5093 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5095 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5097 * configure: Rebuilt.
5099 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5101 * config/rs6000/cell.md: New file.
5102 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5104 (ppccell_cost): New cost matrix.
5105 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5106 (rs6000_override_options): Set rs6000_always_hint to false
5107 for cell. Also align functions/lables/loops to 8byte
5108 for the Cell. Use PROCESSOR_CELL.
5109 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5110 using_mtcr_multiple.
5111 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5112 on the Cell, return 0.
5113 (rs6000_adjust_cost): Add Cell cost adjustments.
5114 (is_microcoded_insn): Return true for Cell microcoded
5116 (is_nonpipeline_insn): New function.
5117 (rs6000_issue_rate): Add PROCESSOR_CELL.
5118 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5120 (rs6000_use_sched_lookahead_guard): New function.
5121 (rs6000_sched_reorder): Reorder the ready list, if the second
5122 to last ready insn is a nonepipeline insn on the Cell.
5123 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5124 (ASM_CPU_SPEC): Add Cell.
5125 * config/rs6000/rs6000.md (cpu): Add Cell.
5126 (cell_micro): New Attr.
5129 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5131 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5133 * configure: Rebuilt.
5135 2006-11-13 Richard Guenther <rguenther@suse.de>
5137 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5139 (ix86_expand_lfloorceil): Likewise.
5140 (ix86_expand_rint): Likewise.
5141 (ix86_expand_floorceildf_32): Likewise.
5142 (ix86_expand_floorceil): Likewise.
5143 (ix86_expand_rounddf_32): Likewise.
5144 (ix86_expand_truncdf_32): Likewise.
5145 (ix86_expand_round): Likewise.
5147 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5148 Mark Mitchell <mark@codesourcery.com>
5150 * gcc.c: Organize search path variables into $prefix relative,
5151 and well-known native. Add comments.
5152 (add_sysrooted_prefix): Add comment.
5153 (process_command): If !gcc_exec_prefix add $prefix based paths.
5154 If *cross_compile == '0', add native well-known paths.
5155 Assert tooldir_base_prefix is always relative.
5156 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5157 use this value for 'install:' path.
5158 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5160 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5162 * config/i386/i386.c: Fix a typo in comment.
5164 2006-11-13 Michael Matz <matz@suse.de>
5166 * genemit.c (gen_expand): Allocate enough memory.
5168 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5170 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5171 __GXX_TYPEINFO_EQUALITY_INLINE but not
5172 __GXX_MERGED_TYPEINFO_NAMES.
5173 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5174 __GXX_MERGED_TYPEINFO_NAMES.
5175 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5176 __GXX_TYPEINFO_EQUALITY_INLINE.
5178 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5179 Zdenek Dvorak <dvorakz@suse.cz>
5181 PR tree-optimization/29680
5182 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5185 2006-11-12 Jason Merrill <jason@redhat.com>
5186 Andrew Pinski <pinskia@physics.uc.edu>
5189 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5191 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5193 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5194 * tree.c (build_vector): Handle non-_CST elements.
5196 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5198 * genemit.c (gen_insn): Call gen_exp with a non-null used
5199 when handling multiple insns.
5200 (gen_expand): Likewise.
5201 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5202 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5203 (movsi_const_16bit+1): Copy operands[1].
5204 (call_pcrel): Copy the call_site pattern.
5205 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5207 2006-11-12 Roger Sayle <roger@eyesopen.com>
5209 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5210 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5211 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5212 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5214 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5216 Fix PR tree-optimization/29587
5217 * tree-ssa-structalias.c (process_constraint): Don't
5218 mark address taken due only to escaped vars constraint.
5220 2006-11-12 Michael Matz <matz@suse.de>
5221 Roger Sayle <roger@eyesopen.com>
5223 PR rtl-optimization/29797
5224 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5225 BITS_BIG_ENDIAN targets.
5227 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5229 * builtins.c (fold_builtin_cosh): New.
5230 (fold_builtin_1): Use it.
5231 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5232 trunc to the list of "odd" functions. Also add llrint, lrint,
5233 rint and nearbyint when flag_rounding_math is false.
5235 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5237 * tree-flow.h (name_mappings_registered_p): Declare.
5238 * tree-into-ssa.c (name_mappings_registered_p): New function.
5239 * tree-cfg.c (tree_can_merge_blocks_p): Check
5240 name_mappings_registered_p instead of need_ssa_update_p.
5242 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5244 * tree-ssa-loop.c (tree_vectorize): Return the result of
5246 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5247 if anything changed.
5248 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5249 * tree-flow.h (vectorize_loops): Declaration changed.
5251 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5253 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5255 (issue_prefetch_ref): Move assignment to write_p out of loop.
5256 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5257 SIMULTANEOUS_PREFETCHES into account.
5258 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5259 * lambda-code.c (lcm): Renamed to ...
5260 (least_common_multiple): ... and exported.
5261 * tree-flow.h (least_common_multiple): Declare.
5263 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5265 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5266 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5267 ud-chains. Handle AND_EXPR.
5268 (record_estimate): Record whether the estimate is realistic
5269 and whether it is derived from a loop exit.
5270 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5271 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5273 (compute_estimated_nb_iterations): Take only realistic bounds into
5274 account. Set estimate_state. Use double_ints.
5275 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5276 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5277 that do not have to be always executed.
5278 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5279 to determine whether to call infer_loop_bounds_from_undefined
5280 and compute_estimated_nb_iterations.
5281 (n_of_executions_at_most): Use double_ints.
5282 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5283 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5284 * double-int.c (double_int_to_tree): Improve comment.
5285 (double_int_fits_to_tree_p): New function.
5286 * double-int.h (double_int_fits_to_tree_p): Declare.
5287 * tree-data-ref.c: Include langhooks.h.
5288 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5289 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5290 (analyze_array): Do not pass estimate_only argument to
5291 analyze_array_indexes.
5292 (get_number_of_iters_for_loop): Build tree from the stored double_int
5294 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5295 (find_data_references_in_loop): Use find_data_references_in_stmt.
5296 * tree-data-ref.h (struct data_ref_loc_d): New.
5297 (get_references_in_stmt): Declare.
5298 (estimate_iters_using_array): Declaration removed.
5299 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5300 double_int. Improve comments. Add is_exit and realistic
5302 (struct loop): Changed type of estimated_nb_iterations to double_int.
5303 Added estimate_state field.
5304 (record_estimate): Declaration removed.
5306 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5308 * params.c (set_param_value): Initialize the "set" field.
5309 * params.h (struct param_info): Add "set" field.
5310 (PARAM_SET_P): New macro.
5311 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5312 L1_CACHE_LINE_SIZE): New macros.
5313 * toplev.c (DEFPARAM): Initialize the "set" field.
5314 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5315 SIMULTANEOUS_PREFETCHES): Removed.
5316 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5317 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5318 * config/sparc/sparc.c: Include params.h.
5319 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5320 L1_CACHE_LINE_SIZE parameters.
5321 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5323 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5325 * config/i386/i386.c: Include params.h.
5326 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5327 (override_options): Set SIMULTANEOUS_PREFETCHES and
5328 L1_CACHE_LINE_SIZE parameters.
5329 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5330 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5331 L1_CACHE_LINE_SIZE parameters.
5332 * config/ia64/ia64.c (ia64_optimization_options): Set
5333 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5334 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5336 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5337 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5338 * doc/invoke.texi: Document new params.
5340 2006-11-12 Roger Sayle <roger@eyesopen.com>
5342 PR tree-optimization/13827
5343 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5346 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5348 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5349 update_single_exit_for_duplicated_loops): New functions.
5350 (duplicate_loop_to_header_edge): Use
5351 update_single_exit_for_duplicated_loops.
5352 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5353 functions only with ENABLE_CHECKING.
5355 2006-11-12 Andreas Schwab <schwab@suse.de>
5357 * except.c (sjlj_emit_function_enter): Remove unused variable.
5359 2006-11-11 Roger Sayle <roger@eyesopen.com>
5361 * fold-const.c (int_binop_types_match_p): New function.
5362 (size_binop): Relax constraint that both arguments must both have
5363 exactly the same sizetype type. Instead use int_binop_types_match_p.
5364 (size_diffop): Likewise.
5366 (make_range): Use build_int_cst instead of fold_convert.
5367 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5368 integer constants of the correct type.
5369 (fold_div_compare): Likewise.
5370 (fold_single_bit_test): Likewise.
5371 (fold_binary): Likewise.
5372 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5373 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5375 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5378 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5379 non null value if the struct memory access is in the 0th
5382 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5385 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5386 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5389 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5390 instead of builtin_define for bfin and BFIN.
5392 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5394 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5397 2006-11-11 Jan Hubicka <jh@suse.cz>
5399 * extend.texi (__builtin_expect): We no longer require second argument
5401 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5402 * builtins.c (expand_builtin_expect): Simplify.
5403 (expand_builtin_expect_jump): Kill.
5404 * final.c (final_scan_insn): Do not skip the removed notes.
5405 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5406 EXPECTED_VALUE): Remove.
5407 * dojump.c (do_jump): Do not care about __builtin_expect.
5408 * predict.c (expected_value_to_br_prob): Kill.
5409 * function.c (expand_function_end): Do not expand
5410 NOTE_INSN_REPEATED_LINE_NUMBER.
5411 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5412 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5413 * cfgexpand.c (add_reg_br_prob_note): Export.
5414 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5415 expected_value_to_br_prob.
5416 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5417 * rtl.h (add_reg_br_prob_note): Declare.
5419 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5421 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5423 2006-11-11 Jan Hubicka <jh@suse.cz>
5425 * predict.c (predict_loops): Kill RTL variant.
5427 2006-11-11 Jan Hubicka <jh@suse.cz>
5429 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5430 * modulo-sched.c (find_line_note): Remove.
5431 (loop_canon_p): Do not worry about line number notes.
5432 (sms_schedule): Likewise.
5433 * cse.c (cse_main): Likewise.
5434 * regmove.c (fixup_match_1): Likewise
5435 * function.c (emit_return_info_block): Likewise.
5436 (expand_function_end): Likewise.
5437 (thread_prologue_an_epilogue_insns): Likewise.
5438 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5440 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5441 emit_note_copy_after): Kill.
5442 (emit_note_copy): Do not worry about line numbers.
5443 * jump.c (purge_line_number_notes): Kill.
5444 (pass_purge_lineno_notes): Kill.
5445 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5447 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5448 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5449 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5450 * tree-pass.h (pass_purge_lineno_notes): Kill.
5451 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5452 rm_redundant_line_notes.
5453 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5454 rm_redundant_line_notes.
5455 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5456 * haifa-sched.c: Update comment about handling notes.
5457 (unlink_line_notes): Kill.
5458 (rm_line_notes): Kill.
5459 (save_line_notes): Simplify.
5460 (rm_redundant_line_notes): Kill.
5462 2006-11-11 Richard Guenther <rguenther@suse.de>
5464 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5465 Remove unused tree codes.
5466 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5467 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5468 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5469 * tree.c (stabilize_reference): Likewise.
5470 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5471 fold_unary): Likewise.
5472 * tree-gimple.c (is_gimple_cast): Likewise.
5473 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5474 * expr.c (expand_expr_real_1): Likewise.
5475 * tree-eh.c (tree_could_trap_p): Likewise.
5476 * gimplify.c (gimplify_expr): Likewise.
5477 * tree-inline.c (estimate_num_insns_1): Likewise.
5478 * tree-cfg.c (verify_expr): Likewise.
5480 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5482 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5483 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5484 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5486 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5489 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5490 constraints accept neither registers or memories.
5492 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5494 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5495 (NO_PROFILE_COUNTERS): Define as 1.
5497 2006-11-10 Roger Sayle <roger@eyesopen.com>
5499 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5500 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5502 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5504 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5506 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5508 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5509 (fold_builtin_hypot): Likewise.
5510 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5512 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5514 2006-11-10 Roger Sayle <roger@eyesopen.com>
5516 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5517 when attempting to build INTEGER_CSTs of non-integral types.
5518 * expmed.c (make_tree): Use the correct type, i.e. the inner
5519 type, when constructing the individual elements of a CONST_VECTOR.
5521 2006-11-10 Jan Hubicka <jh@suse.cz>
5523 * cse.c (cse_process_notes): Copy the propagated value.
5524 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5526 * gcse.c (try_replace_reg): Copy the replacement.
5527 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5528 (assign_386_stack_local): Always return copied memory expression
5529 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5532 2006-11-10 Jan Hubicka <jh@suse.cz>
5534 * final.c (final): Walk from first instruction.
5535 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5537 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5540 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5542 (umulv8hi3_highpart): Ditto.
5543 (vec_widen_smult_hi_v8hi): New expander.
5544 (vec_widen_smult_lo_v8hi): Ditto.
5546 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5549 * builtins.c (do_mpfr_arg3): New.
5550 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5552 2006-11-09 Eric Christopher <echristo@apple.com>
5557 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5558 * config.gcc (powerpc64-*-darwin*): New target.
5559 * config.host: Ditto.
5560 * config/rs6000/darwin64.h: New file.
5561 * config/rs6000/x-darwin64: Ditto.
5562 * config/rs6000/host-ppc64-darwin.c: Ditto.
5564 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5566 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5567 routines for integer division.
5569 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5571 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5573 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5576 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5578 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5580 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5581 simplify_subreg with BLKmode outer mode.
5583 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5585 * doc/invoke.texi: Minor formatting fixes in option lists.
5587 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5589 PR tree-optimization/29738
5590 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5591 (ccp_lattice_t): Remove UNKNOWN_VAL.
5592 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5593 Do not handle UNKNOWN_VAL.
5594 (get_default_value): Set initial value of virtual operands to
5596 (get_value): Always use get_default_value on uninitialized
5598 (set_value_varying, surely_varying_stmt_p): New functions.
5599 (set_lattice_value): Do not pass argument to get_value.
5600 Do not handle UNKNOWN_VAL.
5601 (likely_value): Follow the semantics described in the comment.
5602 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5603 phi nodes DONT_SIMULATE_AGAIN.
5604 (ccp_fold): Do not pass argument to get_value.
5605 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5608 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5610 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5611 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5613 2006-11-08 Roger Sayle <roger@eyesopen.com>
5615 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5616 test for inclusion rather than as a test for exclusion.
5617 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5618 the condition after calling fold_binary.
5619 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5620 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5621 * builtins.c (fold_builtin_isascii): Likewise.
5622 (fold_builtin_isdigit): Likewise.
5624 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5626 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5627 * configure: Regenerate.
5629 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5631 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5632 enum argument instead of bool.
5633 (vect_analyze_operations): Call vectorizable_type_promotion.
5634 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5635 stmt_vec_info_type value.
5636 (supportable_widening_operation, vectorizable_type_promotion): New
5637 function declarations.
5638 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5639 (vectorizable_type_promotion): New function.
5640 (vect_transform_stmt): Call vectorizable_type_promotion.
5641 * tree-vect-analyze.c (supportable_widening_operation): New function.
5642 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5644 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5647 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5648 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5649 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5651 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5652 * expr.c (expand_expr_real_1): Likewise.
5653 * optabs.c (optab_for_tree_code): Likewise.
5654 (init_optabs): Initialize new optabs.
5655 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5656 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5657 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5658 vec_unpacku_lo_optab): Initialize new optabs.
5659 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5660 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5661 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5663 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5664 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5665 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5666 (vec_unpacku_lo_optab): New optabs.
5667 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5668 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5669 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5670 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5671 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5672 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5674 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5675 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5676 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5677 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5678 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5679 implement the unsigned unpacking patterns.
5680 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5681 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5682 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5683 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5684 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5685 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5686 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5687 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5688 multiplication patterns.
5690 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5691 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5692 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5693 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5694 (rs6000_builtin_mul_widen_odd): New.
5695 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5696 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5697 * tree-vectorizer.h (enum vect_relevant): New enum type.
5698 (_stmt_vec_info): Field relevant chaned from bool to enum
5700 (STMT_VINFO_RELEVANT_P): Updated.
5701 (STMT_VINFO_RELEVANT): New.
5702 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5703 instead of STMT_VINFO_RELEVANT_P.
5704 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5705 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5706 and boolean variable with enum vect_relevant.
5707 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5708 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5709 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5711 2006-11-08 Richard Henderson <rth@redhat.com>
5713 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5714 vec_widen_umult_lo_v8hi): New.
5715 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5716 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5718 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5719 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5720 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5721 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5722 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5723 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5724 vec_unpacks_lo_v4si): New.
5726 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5728 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5729 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5730 (vect_analyze_operations): Call vectorizable_type_demotion.
5731 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5732 stmt_vec_info_type value.
5733 (vectorizable_type_demotion): New function declaration.
5734 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5737 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5738 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5740 * tree-iniline.c (estimate_num_insns_1): Likewise.
5741 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5742 * optabs.c (optab_for_tree_code): Likewise.
5744 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5745 compared against the predicate of the result is not 'mode' (the input
5746 to the function) but a mode with half the size of 'mode'.
5747 (init_optab): Initialize new optabs.
5748 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5750 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5752 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5753 (vec_pack_usat_optab): Initialize new optabs.
5754 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5755 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5757 2006-11-08 Richard Henderson <rth@redehat.com>
5759 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5760 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5761 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5762 (vec_interleave_highv4si, vec_interleave_lowv4si):
5763 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5765 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5767 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5769 (vect_transform_stmt): Removed redundant code.
5771 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5773 * tree-vect-transform.c (vectorizable_operation): Support multiple
5776 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5778 * tree-vect-transform.c (vect_align_data_ref): Removed.
5779 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5780 Updated function documentation. Return the increment stmt in ptr_incr.
5781 (bump_vector_ptr): New function.
5782 (vect_get_vec_def_for_stmt_copy): New function.
5783 (vect_finish_stmt_generation): Create a stmt_info to newly created
5785 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5787 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5788 VF is greater than the number of elements that can fit in one vector
5790 (vectorizable_operation, vectorizable_condition): Likewise.
5791 (vectorizable_store, vectorizable_load): Support the case that the VF
5792 is greater than the number of elements that can fit in one vector word.
5793 (vect_transform_loop): Don't fail in case of multiple data-types.
5794 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5795 in case of multiple data-types; the smallest type determines the VF.
5796 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5797 if they are of different sizes.
5798 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5799 number of elements rather than number of bytes.
5800 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5801 (vect_can_advance_ivs_p): Fix a dump printout
5803 2006-11-07 Eric Christopher <echristo@apple.com>
5805 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5806 (__bswapsi2): Ditto.
5807 * libgcc2.h: Remove transformation of bswap routines.
5808 * config/i386/i386.md (bswapsi2): New.
5811 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5813 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5814 (handle_gnu_inline_attribute): New function.
5815 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5816 (merge_decls, start_decl, start_function): Likewise.
5817 * doc/extend.texi: Document gnu_inline attribute.
5819 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5822 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5823 _fixunstfdi, and _floatditf
5825 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5827 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5829 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5830 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5831 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5832 which start in an odd register.
5834 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5836 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5838 2006-11-07 Josh Conner <jconner@apple.com>
5840 * doc/invoke.texi (fstrict-aliasing): Move implementation
5842 * doc/tree-ssa.texi (Alias analysis): ...here.
5844 2006-11-07 Richard Guenther <rguenther@suse.de>
5846 PR tree-optimization/29610
5847 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5848 of tree_purge_dead_eh_edges as it may free dominators.
5850 * g++.dg/other/pr29610.C: New testcase.
5852 2006-11-07 David Ung <davidu@mips.com>
5854 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5855 costs when optimizing for size.
5856 (override_options): Use mips_rtx_cost_optimize_size table for cost
5859 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5861 * gcc.c (process_command): Treat -b as normal switch if its argument
5864 2006-11-07 David Ung <davidu@mips.com>
5866 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5869 2006-11-06 Eric Christopher <echristo@apple.com>
5871 * config.gcc: Add x86_64-darwin host support.
5872 * config.host: Ditto.
5873 * config/i386/darwin64.h: New file.
5874 * config/i386/t-darwin64: Ditto.
5876 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5878 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5879 and output-exists-not.
5881 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5884 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5885 checking for overflow.
5887 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5889 * configure.ac: Fixed typo in case statement: :: changed to ;;
5891 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5893 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5894 count_leading_zeros, and count_trailing_zeros.
5895 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5896 (TARGET_FOLD_BUILTIN): Define.
5897 (TARGET_EXPAND_BUILTIN): Define.
5898 (xtensa_init_builtins): New.
5899 (xtensa_fold_builtin): New.
5900 (xtensa_expand_builtin): New.
5901 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5902 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5903 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5904 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5905 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5906 (any_extend): New code macro.
5907 (u, su): New code attributes.
5908 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5909 (nsau): Remove; replaced by clzsi2.
5910 (ffssi2): Use clzsi2.
5911 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5912 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5913 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5914 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5915 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5917 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5919 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5921 * config/arm/t-strongarm-elf: Likewise.
5922 * config/arm/t-pe: Likewise.
5923 * config/arm/t-arm-elf: Likewise.
5924 * config/arm/t-xscale-elf: Likewise.
5925 * config/arm/t-arm-coff: Likewise.
5926 * config/arm/t-xscale-coff: Likewise.
5927 * config/arm/t-wince-pe: Likewise.
5929 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5931 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5934 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5937 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5940 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5943 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5944 as a valid 80387 constant.
5945 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5946 * config/i386/i386.md (unnamed splitter): Split the load of
5947 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5950 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5952 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5953 from the soft-frame, argument and virtual registers.
5955 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5957 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5958 patterns for standard 80387 constants.
5960 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5961 Steven Bosscher <steven@gcc.gnu.org>
5963 * fwprop.c: New file.
5964 * Makefile.in: Add fwprop.o.
5965 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5966 * passes.c (init_optimization_passes): Schedule forward propagation.
5967 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5969 * timevar.def (TV_FWPROP): New.
5970 * common.opt (-fforward-propagate): New.
5971 * opts.c (decode_options): Enable forward propagation at -O2.
5972 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5973 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5974 canon_for_address, table_size): Remove.
5975 (new_basic_block, insert, remove_from_table): Remove references to
5977 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5978 simplification loop more straightforward by not calling fold_rtx
5980 (equiv_constant): Move here a small part of fold_rtx_subreg,
5981 do not call fold_rtx. Call avoid_constant_pool_reference
5983 * recog.h (canonicalize_change_group): New.
5985 * doc/invoke.texi (Optimization Options): Document fwprop.
5986 * doc/passes.texi (RTL passes): Document fwprop.
5988 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5990 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5991 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5992 (grokdeclarator): Likewise.
5994 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5996 * tree-dump.c (dump_enable_all): Rename local variable
5997 ir_type to avoid name conflicts.
5998 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5999 instead of using ir_type().
6000 * profile.c (tree_register_profile_hooks): Likewise.
6001 * value-prof.c (tree_register_value_prof_hooks): Likewise.
6002 * basic-block.h (struct edge_def): Likewise.
6003 * config/arm/arm.c (legitimize_pic_address): Likewise.
6004 * coretypes.h (ir_type): New enum of all intermediate languages
6006 * cfghooks.c (ir_type): Rename to...
6007 (current_ir_type): ...this. Distinguish between cfgrtl and
6008 cfglayout mode when the current IR is RTL. Return enum ir_type.
6009 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6011 2006-11-03 Paul Brook <paul@codesourcery.com>
6013 * config/arm/arm.c (arm_file_start): New function.
6014 (TARGET_ASM_FILE_START): Define.
6015 (arm_default_cpu): New variable.
6016 (arm_override_options): Set arm_default_cpu.
6018 2006-11-03 David Ung <davidu@mips.com>
6020 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6021 PROCESSOR_24KC and PROCESSOR_24KF.
6022 * config/mips/mips.c (mips_cpu_info_table): Add processor names
6023 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6024 (mips_rtx_cost_data): Add costs for the 24kc.
6025 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6026 * config/mips/24k.md: Remove references to 24k and replace with
6027 uses of 24kc/24kf in the appropriate reservations.
6028 * doc/invoke.texi (MIPS Options): Updated.
6030 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6032 * config/sh/crt1.asm: Fix #ifdef indent.
6034 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6035 Merged from STMicroelectronics sources:
6036 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
6037 * config/sh/crt1.asm (vbr_600): Add missing #if.
6038 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
6039 * sh.opt (mfused-madd): New option.
6040 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6041 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6042 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6043 Remove pointless handler at VBR+0.
6044 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6045 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6046 fr7. Make sure the timer handler is called with the correct FPU
6047 precision setting, according to the ABI.
6048 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
6049 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6050 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6051 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6052 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
6053 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
6054 zero as second operand.
6055 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
6056 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6057 Fixed some bugs related to negative values, in particular -0
6058 and overflow at -0x80000000.
6059 * config/sh/divcost-analysis: Added sh4-300 figures.
6060 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
6061 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6062 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
6063 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6064 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6065 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6067 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6069 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
6070 SH4-300 scheduling description & fixes to SH4-[12]00 description:
6071 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6072 mac_mem, mem_mac, dfp_mul, fp_cmp.
6073 (insn_class, dfp_comp, any_fp_comp): Update.
6074 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6075 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6076 (muldf3_i): Likewise.
6077 (movsi_i): Split rI08 alternative into two separate alternatives.
6079 (movsi_ie, movsi_i_lowpart): Likewise.
6080 (movqi_i): Split ri alternative into two separate alternatives.
6082 * sh1.md (sh1_load_store, sh1_fp): Update.
6083 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6084 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6085 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6086 (sh4a_fp_double_arith): Likewise.
6087 * sh4-300.md: New file.
6088 * sh.c (sh_handle_option): Handle m4-300* options.
6089 (sh_adjust_cost): Fix latency of auto-increments.
6090 Handle SH4-300 differently than other SH4s. Check for new insn types.
6091 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6092 been set by an option.
6093 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6094 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6095 (mbranch-cost=): Likewise.
6096 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6098 * sh.md (mulsf3): Remove special expansion code.
6099 (mulsf3_ie): Now a define_insn_and_split.
6100 (macsf3): Allow for TARGET_SH4.
6102 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6103 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6104 (expand_cbranchdi4): Likewise.
6105 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6106 CONST_DOUBLE if the outer code is COMPARE.
6107 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6108 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6109 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6110 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6111 Remove redundant fp_{zero,one}_operand checks.
6112 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6113 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6114 (expand_cbranchdi4): Likewise.
6115 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6116 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6118 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6120 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6123 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6125 * doc/invoke.texi: Fix mfp-trap-mode typo.
6127 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6129 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6130 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6131 file_end_indicate_exec_stack.
6132 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6134 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6135 for a non-executable stack.
6136 * crti.asm: Likewise.
6137 * crtn.asm: Likewise.
6138 * libunwind.S: Likewise.
6140 2006-11-02 Ben Elliston <bje@au.ibm.com>
6142 * tree-ssa.c (warn_uninit): Use expand_location variables for
6143 locus and declaration locus.
6145 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6148 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6149 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6150 cmp{eq,gt,gtu}{si,di}_media.
6151 (*cmpne0si_media): Remove.
6152 (*movsicc_umin): Adjust gen_cmp*_media call.
6153 (unordered): Change the mode of unordered and operands[1] to
6155 (seq): Adjust gen_cmp*_media calls. Make the mode of
6156 a temporary result of compare SImode if needed. If the mode
6157 of operands[0] is DImode, extend the temporary result to DImode.
6158 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6159 (sunorderd): Change the mode of match_operand and unorderd to
6161 (cmpeq{sf,df}_media): Remove.
6162 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6163 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6164 and compare operation to SImode.
6166 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6168 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6170 (sparc64-sun-solaris2*): Likewise.
6172 2006-11-02 Paul Brook <paul@codesourcery.com>
6174 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6175 from priority argument. Use different section for non-default
6177 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6179 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6182 * except.c (switch_to_exception_section): Do not cache the section
6183 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6184 and flag_function_sections is set.
6186 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6189 * builtins.c (do_mpfr_sincos): New.
6190 (fold_builtin_1): Use it to fold builtin sincos.
6192 2006-11-01 Roger Sayle <roger@eyesopen.com>
6194 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6195 it into -D_REENTRANT.
6197 2006-11-01 Roger Sayle <roger@eyesopen.com>
6199 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6200 whether the assembler supports taking the difference of symbols in
6201 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6202 * configure: Regenerate.
6203 * config.in: Regenerate.
6204 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6205 the assembler doesn't support taking the difference of symbols in
6206 different sections, i.e. we're using the native solaris assembler.
6208 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6209 Peter Bergner <bergner@vnet.ibm.com>
6211 * doc/invoke.texi: Add cpu_type power6x
6212 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6213 * config.gcc: Add cpu_type power6x.
6214 * configure.ac: Add test for mf{t,f}gpr instructions.
6215 (HAVE_AS_MFPGPR): New.
6216 * config.in: Regenerate.
6217 * configure: Regenerate.
6218 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6219 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6220 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6221 and mftgpr attributes.
6222 (define_attr "cpu"): Add power6.
6223 Change instruction sequences to use new attributes.
6224 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6225 (fix_truncdfsi2_mfpgpr): New.
6226 (floatsidf_ppc64_mfpgpr): New.
6227 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6228 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6229 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6230 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6231 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6232 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6233 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6234 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6235 cntlz,exts and var_delayed_compare.
6236 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6237 _ARCH_PWR6X, if features enabled.
6238 * config/rs6000/rs6000.opt (mmfpgpr): New.
6239 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6240 (cached_can_issue_more): New variable.
6241 (processor_costs): Add power6_cost.
6242 (rs6000_sched_init): New function.
6243 (is_dispatch_slot_restricted): Deleted.
6244 (set_to_load_agen): New function.
6245 (is_load_insn,is_store_insn): New functions.
6246 (adjacent_mem_locations): New function.
6247 (insn_must_be_first_in_group): New function.
6248 (insn_must_be_last_in_group): New function.
6249 (rs6000_sched_reorder): New function.
6250 (rs6000_sched_reorder2): New function.
6251 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6252 TARGET_SCHED_REORDER2): Define.
6253 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6254 Add power6x. Add MASK_MFPGPR for power6x.
6255 (POWERPC_MASKS): Add MASK_MFPGPR.
6256 (rs6000_override_options): Set rs6000_always_hint to false
6257 for power6. Set rs6000_align_branch_targets. Replace
6258 rs6000_sched_groups check with rs6000_align_branch_targets.
6259 Use PROCESSOR_POWER6.
6260 (last_scheduled_insn): New variable.
6261 (load_store_pendulum): New variable.
6262 (rs6000_variable_issue): Set last_scheduled_insn and
6263 cached_can_issue_more.
6264 (rs6000_adjust_cost): Add power6 cost adjustments.
6265 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6266 with insn_must_be_first_in_group. Add power6 priority adjustments.
6267 (rs6000_issue_rate): Add CPU_POWER6.
6268 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6269 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6270 (TARGET_MFPGPR): New.
6271 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6272 (ASM_CPU_SPEC): Add power6x.
6273 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6275 * config/rs6000/power6.md: New file.
6277 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6279 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6280 HOST_WIDE_INT_PRINT to print high and low parts. Use
6281 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6282 printing a hexadecimal number prefix it with 0x.
6284 2006-11-01 Chris Johns <chris@contemporary.net.au>
6287 * Makefile.in (install-driver): Use exeext when installing
6288 $target-gcc-$version.
6290 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6292 * c-common.c (flag_cpp0x): New.
6293 * c-common.h (flag_cpp0x): New.
6294 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6295 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6296 * c-opts.c (set_std_cxx0x): New.
6297 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6298 * c.opt (std=c++0x): Document.
6299 (std=gnu++0x): Ditto.
6300 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6301 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6303 2006-11-01 Richard Guenther <rguenther@suse.de>
6305 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6307 (ix86_expand_floorceildf_32): Likewise.
6308 (ix86_expand_floorceil): Likewise.
6309 (ix86_expand_trunc): Likewise.
6311 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6313 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6316 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6318 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6320 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6322 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6324 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6325 * configure.ac (use_cxa_atexit): As a special case, don't test
6326 for libc definition of __cxa_atexit on mingw32
6327 * configure: Regenerate.
6328 * config.gcc (i[34567]86-pc-mingw32): Default to
6329 enable__cxa_atexit=yes.
6331 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6333 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6335 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6338 * c-decl.c (start_struct): Don't create self-containing
6340 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6342 * config/rs6000/rs6000-protos.h
6343 (darwin_rs6000_special_round_type_align): New.
6344 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6345 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6347 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6349 * toplev.c (compile_file): Call final_write_globals
6350 even if there have been errors.
6352 2006-10-31 Eric Christopher <echristo@apple.com>
6353 Falk Hueffner <falk@debian.org>
6355 * doc/extend.texi (__builtin_bswap32): Document.
6356 (__builtin_bswap64): Ditto.
6357 * doc/libgcc.texi (bswapsi2): Document.
6359 * doc/rtl.texi (bswap): Document.
6360 * optabs.c (expand_unop): Don't widen a bswap.
6361 (init_optabs): Init bswap. Set libfuncs explicitly
6362 for bswapsi2 and bswapdi2.
6363 * optabs.h (OTI_bswap): New.
6364 (bswap_optab): Ditto.
6365 * genopinit.c (optabs): Handle bswap_optab.
6366 * tree.h (tree_index): Add TI_UINT32_TYPE and
6368 (uint32_type_node): New.
6369 (uint64_type_node): Ditto.
6370 * tree.c (build_common_tree_nodes_2): Initialize
6371 uint32_type_node and uint64_type_node.
6372 * builtins.c (expand_builtin_bswap): New.
6373 (expand_builtin): Call.
6374 (fold_builtin_bswap): New.
6375 (fold_builtin_1): Call.
6376 * fold-const.c (tree_expr_nonnegative_p): Return true
6378 * builtin-types.def (BT_UINT32): New.
6380 (BT_FN_UINT32_UINT32): Ditto.
6381 (BT_FN_UINT64_UINT64): Ditto.
6382 * builtins.def (BUILT_IN_BSWAP32): New.
6383 (BUILT_IN_BSWAP64): Ditto.
6384 * rtl.def (BSWAP): New.
6385 * genattrtab.c (check_attr_value): New.
6386 * libgcc2.c (__bswapSI2): New.
6387 (__bswapDI2): Ditto.
6388 * libgcc2.h (__bswapSI2): Declare.
6389 (__bswapDI2): Ditto.
6390 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6391 * simplify-rtx.c (simplify_const_unary_operation): Return
6393 * libgcc-std.ver (__bwapsi2): Add.
6394 (__bswapdi2): Ditto.
6395 * reload1.c (eliminate_regs_1): Add bswap.
6396 (elimination_effects): Ditto.
6397 * config/i386/i386.h (x86_bswap): New.
6398 (TARGET_BSWAP): Use.
6399 * config/i386/i386.c (x86_bswap): Set.
6401 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6403 * coverage.c (coverage_checksum_string): Update comment.
6404 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6405 of get_file_function_name.
6406 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6407 of get_file_function_name_long.
6408 * tree.c (get_file_function_name): Rename from
6409 get_file_function_name_long; improve comment; handle 'I' and 'D'
6410 specially when the target has ctor/dtor support; remove special
6412 (get_file_function_name): Remove.
6413 * tree.h (get_file_function_name): Rename from
6414 get_file_function_name_long.
6415 (get_file_function_name): Remove prototype.
6417 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6419 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6420 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6422 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6423 Call dsymutil when compiling and linking one or more source files
6426 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6429 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6431 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6433 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6434 inline static functions in c99 mode.
6437 * doc/extend.texi (Inline): Update.
6438 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6439 * c-decl.c (current_extern_inline): Delete.
6440 (pop_scope): Adjust test for an undefined nested function.
6441 Add warning about undeclared inline function.
6442 (diagnose_mismatched_decls): Update comments. Disallow overriding
6443 of inline functions in a translation unit in C99. Allow inline
6444 declarations in C99 at any time.
6445 (merge_decls): Boolize variables. Handle C99 'extern inline'
6447 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6448 C99 inline semantics.
6449 (start_function): Don't clear current_extern_inline. Don't set
6451 (c_push_function_context): Don't push current_extern_inline.
6452 (c_pop_function_context): Don't restore current_extern_inline.
6455 * c-typeck.c (build_external_ref): Warn about static variables
6456 used in extern inline functions.
6457 * c-decl.c (start_decl): Warn about static variables declared
6458 in extern inline functions.
6460 2006-10-31 Roger Sayle <roger@eyesopen.com>
6463 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6464 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6465 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6466 or y is an even integer.
6468 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6471 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6472 * gthr-posix95.h (__gthread_active_p): Likewise.
6474 2006-10-31 Richard Guenther <rguenther@suse.de>
6476 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6477 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6478 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6479 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6480 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6481 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6482 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6483 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6486 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6488 * opts.c (decode_options): Disable CSE skip blocks.
6490 2006-10-30 Dirk Mueller <dmueller@suse.de>
6492 * c-common.h (strict_aliasing_warning): Fix whitespace.
6493 * c-decl (start_function): Move code for main decl warning ..
6494 * c-common.c (check_main_parameter_types): .. here.
6495 * c-common.h (check_main_parameter_types): Declare.
6497 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6500 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6502 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6504 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6505 be a PARALLEL containing sets. Return false when out_pat is not
6508 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6510 * config/mips/mips.md (mul<mode>3): Split into...
6511 (mulsi3, muldi3): ...these separate patterns.
6513 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6515 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6516 but with each set of options separated by spaces.
6518 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6520 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6521 dwarf_reg_size_table has been initialized.
6523 2006-10-30 Roger Sayle <roger@eyesopen.com>
6525 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6526 * ddg.c (print_ddg_edge): Likewise.
6527 * dwarf2out.c (prune_unused_types_walk): Likewise.
6528 * ifcvt.c (noce_try_cmove_arith): Likewise.
6529 * langhooks.c (add_builtin_function): Likewise.
6530 * reg-stack.c (subst_stack_regs_pat): Likewise.
6531 * tree.c (expanded_location): Likewise.
6532 * tree-dump.c (dequeue_and_dump): Likewise.
6534 2006-10-30 David Daney <ddaney@avtrex.com>
6536 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6538 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6540 PR tree-optimization/29637
6541 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6542 of the innertype is the innertype itself.
6544 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6546 * dwarf2out.c (file_name_acquire): Correct typo.
6548 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6550 * tree.h (tree_value_handle): Remove struct value_set declaration.
6551 Change value_set to bitmap_set.
6552 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6553 * tree-vn.c (get_value_handle): Made inline and moved to
6555 * tree-flow-inline.h: (has_stmt_ann): New function.
6556 * tree-ssa-pre.c (expressions): New variable.
6557 (next_expression_id): Ditto.
6558 (alloc_expression_id): New function.
6559 (struct value_set): Remove.
6560 (get_expression_id): New function.
6561 (get_or_alloc_expression_id): Ditto.
6562 (expression_for_id): Ditto.
6563 (clear_expression_ids): Ditto.
6564 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6565 (bb_value_sets): Renamed to bb_bitmap_sets.
6566 All value sets replaced with bitmap_sets.
6568 (BB_VISITED): New macro.
6569 (postorder): New variable.
6570 (add_to_value): Removed.
6571 (value_exists_in_set_bitmap): Ditto.
6572 (value_insert_into_set_bitmap): Ditto.
6575 (set_remove): Ditto.
6576 (set_contains_value): Ditto.
6577 (insert_into_set): Ditto.
6579 (find_leader): Ditto.
6580 (bitmap_set_subtract_from_value_set): Ditto.
6581 (value_insert_into_set): Ditto.
6582 (print_value_set): Ditto.
6583 (debug_value_set): Ditto.
6584 (constant_expr_p): New function.
6585 (bitmap_remove_from_set): Ditto.
6586 (bitmap_insert_into_set): Ditto.
6587 (bitmap_set_free): Ditto.
6588 (vh_compare): Ditto.
6589 (sorted_array_from_bitmap_set): Ditto.
6590 (bitmap_set_subtract): Ditto.
6591 (bitmap_set_equal): Ditto.
6592 (debug_bitmap_set): Ditto.
6593 (find_leader_in_sets): Ditto.
6594 (bitmap_set_replace_value): Modify for bitmapped sets.
6595 (phi_translate): Ditto.
6596 (phi_translate_set): Ditto.
6597 (bitmap_find_leader): Ditto.
6598 (valid_in_sets): Ditto.
6599 (union_contains_value): Ditto.
6601 (compute_antic_aux): Ditto. Mark changed blocks.
6602 (compute_antic): Ditto. Iterate in postorder and only over
6604 (compute_rvuse_and_antic_safe): Reuse postorder.
6605 (create_component_ref_by_pieces): Modify for bitmapped sets.
6606 (find_or_generate_expression): Ditto.
6607 (create_expression_by_pieces): Ditto.
6608 (insert_into_preds_of_block): Ditto.
6609 (changed_blocks): New variable.
6610 (do_regular_insertion): Broken out from insert_aux.
6611 (insert_aux): Modified for bitmapped sets.
6612 (find_existing_value_expr): New function.
6613 (create_value_expr_from): Use it.
6614 (insert_extra_phis): Removed.
6615 (print_bitmap_set): Renamed from bitmap_print_value_set.
6616 (compute_avail): Handle RETURN_EXPR.
6617 (init_pre): Modify for bitmapped sets.
6618 * tree-flow.h (has_stmt_ann): New function.
6620 2006-10-29 Roger Sayle <roger@eyesopen.com>
6622 * builtins.c (fold_builtin_floor): Check for the availability of
6623 the C99 trunc function before transforming floor into trunc.
6625 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6627 * builtins.c (fold_builtin_hypot): Rearrange recursive
6628 transformation before others, and also do ABS_EXPR. When
6629 necessary, check flag_unsafe_math_optimizations. When necessary,
6632 2006-10-29 Roger Sayle <roger@eyesopen.com>
6634 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6635 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6636 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6637 Fold -X eq/ne -Y as X eq/ne Y.
6639 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6641 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6642 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6643 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6644 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6645 Use an inclusive test for "mult" rather than "mul".
6646 (rotr<mode>3): Depend on ISA_HAS_ROR.
6647 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6649 (GENERATE_MULT3_DI): Delete.
6650 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6651 (ISA_HAS_MUL3): New macro.
6652 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6653 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6654 (ISA_HAS_CLZ_CLO): Likewise.
6655 (ISA_HAS_DCLZ_DCLO): Delete.
6656 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6657 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6658 the VR4120 and VR4130.
6659 (ISA_HAS_MACCHI): Use consistent formatting.
6660 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6661 (ISA_HAS_ROR): ...this new macro.
6662 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6663 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6664 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6666 2006-10-29 Roger Sayle <roger@eyesopen.com>
6668 PR tree-optimization/15458
6669 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6672 2006-10-29 Richard Guenther <rguenther@suse.de>
6674 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6675 (ix86_expand_truncdf_32): Likewise.
6676 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6677 trunc inline for SSE math and -fno-trapping-math and if not
6678 optimizing for size.
6679 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6680 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6681 for expanding btrunc inline for SSE math.
6683 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6685 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6686 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6687 i[34567]86-*-solaris2.1[0-9]*.
6688 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6689 Define conditionally depending on TARGET_64BIT_DEFAULT.
6690 (SPEC_32, SPEC_64): Define.
6691 (LINK_SPEC): Use them.
6692 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6694 2006-10-29 Richard Guenther <rguenther@suse.de>
6696 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6697 (ix86_expand_rounddf_32): Likewise.
6698 * config/i386/i386.c (ix86_expand_round): New function expanding
6699 round inline for SSE math and -fno-trapping-math and if not
6700 optimizing for size.
6701 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6702 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6703 round via ix86_expand_round.
6705 2006-10-29 Richard Guenther <rguenther@suse.de>
6707 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6708 (ix86_expand_floorceildf_32): Likewise.
6709 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6710 static helper function.
6711 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6713 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6714 * config/i386/i386.md (floordf2): Adjust to enable floor
6715 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6716 -fno-trapping-math is enabled and if not optimizing for size.
6717 (floorsf2, ceildf2, ceilsf2): Likewise.
6718 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6719 (sse2_maskcmpdf3): Likewise.
6721 2006-10-29 Richard Guenther <rguenther@suse.de>
6723 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6724 rint in case -fno-trapping-math is enabled.
6725 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6726 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6727 (ix86_expand_sse_fabs): Likewise.
6728 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6729 * config/i386/i386.md (rintdf2): Enable for SSE math if
6730 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6731 (rintsf2): Likewise.
6733 2006-10-29 Richard Guenther <rguenther@suse.de>
6735 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6736 to conversion optabs.
6737 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6738 as conversion optab.
6739 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6740 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6741 (lfloor_optab, lceil_optab): Adjust defines.
6742 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6743 lfloor and lceil optabs now being conversion optabs.
6744 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6745 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6746 New static helper function.
6747 (ix86_expand_lfloorceil): New function to expand lfloor and
6749 * config/i386/i386.md (lfloor<mode>2): Split into ...
6750 (lfloorxf<mode>2): ... x87 variant
6751 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6752 using ix86_expand_lfloorceil.
6753 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6755 * doc/md.texi (lfloorMN, lceilMN): Document.
6757 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6759 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6760 -mno-shared assembler option on mips targets.
6761 * configure, config.in: Regenerate.
6762 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6763 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6764 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6766 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6768 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6769 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6771 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6773 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6774 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6777 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6780 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6781 (fold_builtin_pow): Evaluate constant arguments at compile-time
6783 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6784 (do_mpfr_ckconv): New helper function.
6785 (do_mpfr_arg1): Use do_mpfr_ckconv.
6786 (do_mpfr_arg2): New.
6788 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6791 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6792 (-fdump-rtl-sched): Rename to ..
6793 (-fdump-rtl-sched1): here. Also fix file extension number.
6795 2006-10-28 Richard Guenther <rguenther@suse.de>
6797 * fold-const.c (maybe_canonicalize_comparison): Fix code
6800 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6802 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6803 (NON_QI_REG_P): Use IN_RANGE.
6804 (REX_INT_REGNO_P): Use IN_RANGE.
6805 (FP_REGNO_P): Use IN_RANGE.
6806 (SSE_REGNO_P): Use IN_RANGE.
6807 (REX_SSE_REGNO_P): Use IN_RANGE.
6808 (MMX_REGNO_P): Use IN_RANGE.
6809 (STACK_REGNO_P): New macro.
6810 (STACK_REG_P): Use STACK_REGNO_P.
6811 (NON_STACK_REG_P): Use STACK_REGNO_P.
6812 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6813 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6814 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6815 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6816 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6818 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6820 * except.h (output_function_exception_table): Add 'const char*' param.
6821 * except.c (switch_to_exception_section): Add 'const char*' param.
6822 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6823 and flag_function_sections is set, use a function-specific section.
6824 (output_function_exception_table): Add 'const char*' param.
6825 Adjust call to switch_to_exception_section.
6826 * final.c (rest_of_handle_final): Adjust calls to
6827 output_function_exception_table.
6828 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6829 * config.in: Regenerate.
6830 * configure: Likewise.
6832 2006-10-28 Richard Guenther <rguenther@suse.de>
6835 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6836 for maybe_canonicalize_comparison.
6837 (maybe_canonicalize_comparison): New function for canonicalizing
6839 (fold_comparison): Call it to canonicalize comparisons with
6842 2006-10-28 Richard Guenther <rguenther@suse.de>
6845 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6846 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6847 (expand_builtin): Adjust likewise.
6848 * genopinit.c (optabs[]): Add lround optab.
6849 * optabs.c (init_optabs): Initialize lround_optab.
6850 * optabs.h (enum convert_optab_index): Add COI_lround.
6851 (lround_optab): Define.
6852 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6853 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6855 (ix86_expand_lround): New function.
6856 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6858 * doc/md.texi (lroundMN2): Document.
6860 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6863 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6864 argument to HOST_WIDE_INT. Update function prototype.
6865 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6866 "size" argument to HOST_WIDE_INT. Update function prototype.
6868 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6870 * config/i386/i386.c (output_387_ffreep): Create output from a
6871 template string for !HAVE_AS_IX86_FFREEP.
6873 2006-10-27 Eric Christopher <echristo@apple.com>
6875 * config/darwin.c: Fix formatting and grammar.
6877 2006-10-27 Jan Hubicka <jh@suse.cz>
6879 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6880 to be thrown away soon when IGNORE is set.
6881 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6882 indicating when return value shall not be computed.
6883 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6885 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6887 * config/i386/i386.h (TARGET_GEODE):
6888 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6889 (TARGET_CPU_DEFAULT_geode): New macro.
6890 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6891 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6892 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6893 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6894 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6896 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6897 (processor_type): Add PROCESSOR_GEODE.
6899 * config/i386/i386.md: Include geode.md.
6902 * config/i386/i386.c (geode_cost): New initialized global
6904 (m_GEODE, m_K6_GEODE): New macros.
6905 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6906 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6907 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6908 x86_schedule): Use m_K6_GEODE instead of m_K6.
6909 (x86_movx, x86_cmove): Set up m_GEODE.
6910 (x86_integer_DFmode_moves): Clear m_GEODE.
6911 (processor_target_table): Add entry for geode.
6912 (processor_alias_table): Ditto.
6914 * config/i386/geode.md: New file.
6916 * doc/invoke.texi: Add entry about geode processor.
6918 2006-10-27 Mike Stump <mrs@apple.com>
6920 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6921 __DYNAMIC__ from here back to ...
6922 * config/darwin.h (CPP_SPEC): ... here.
6924 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6925 Nathan Sidwell <nathan@codesourcery.com>
6927 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6928 when choosing the minimum heapsize.
6930 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6932 * gcc/unwind-dw2.h: Move cfa-related variables into
6933 struct frame_state_reg_info to ensure that the CFA is properly
6934 handled when executing DW_CFA_{remember,restore}_state.
6935 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6936 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6937 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6938 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6939 gcc/config/rs6000/linux-unwind.h,
6940 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6941 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6942 Modify to use new cfa_* fields.
6944 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6946 * config/s390/s390.c (s390_init_frame_layout): Check positive
6949 2006-10-26 Ben Elliston <bje@au.ibm.com>
6951 * gimplify.c (get_name): Remove extraneous break.
6952 (gimplify_omp_for): Initialise ret with GS_OK.
6954 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6956 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6957 Add unix98.o to link line.
6959 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6962 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6963 Calculate compile-time constants using MPFR.
6964 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6965 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6967 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6969 * config/xtensa/lib2funcs.S: Use C-style comments.
6971 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6973 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6974 (file_table_relative_p): Likewise.
6975 (dwarf2out_finish): Likewise.
6976 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6978 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6980 * tree-ssa-structalias.c (intra_create_variable_infos):
6981 Don't recreate nonlocal_all if it already exists.
6983 2006-10-25 Richard Guenther <rguenther@suse.de>
6986 * optabs.h (enum optab_index): Remove OTI_lrint.
6987 (enum convert_optab_index): Add COI_lrint.
6988 (lrint_optab): Adjust.
6989 (expand_sfix_optab): Declare.
6990 * optabs.c (expand_sfix_optab): New function.
6991 (init_optabs): Init lrint_optab as conversion optab.
6992 * genopinit.c (lrint_optab): Change to a conversion optab.
6993 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6994 expansion via conversion optab.
6995 * config/i386/i386.md (*fistdi2_1): Remove
6996 flag_unsafe_math_optimizations guard.
6997 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6998 fist<mode>2_with_temp): Likewise.
6999 (lrint<mode>2): Split into...
7000 (lrintxf<mode>2): ... x87 part
7001 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7002 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7003 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7004 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7005 * doc/md.texi (lrintMN2): Document.
7007 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7010 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7011 Use inc and dec instructions for TARGET_USE_INCDEC.
7012 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7013 ("sync_double_compare_and_swap<mode>"): Likewise.
7014 ("*sync_double_compare_and_swapdi_pic"): Likewise.
7015 ("*sync_compare_and_swap_cc<mode>"): Likewise.
7016 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
7017 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7018 ("sync_old_add<mode>"): Likewise.
7019 ("sync_lock_test_and_set<mode>"): Likewise.
7020 ("sync_lock_test_and_set<mode>"): Likewise.
7021 ("sync_add<mode>"): Likewise.
7022 ("sync_sub<mode>"): Likewise.
7023 ("sync_ior<mode>"): Likewise.
7024 ("sync_and<mode>"): Likewise.
7025 ("sync_xor<mode>"): Likewise.
7027 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7029 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7030 (remainder_optab): Define corresponding macro.
7031 (drem_optab): Remove.
7032 * optabs.c (init_optabs): Initialize remainder_optab. Remove
7033 drem_optab initialization.
7034 * genopinit.c (optabs): Implement remainder_optab using
7035 remainder?f3 patterns. Remove drem_optab.
7036 * builtins.c (expand_builtin_mathfn_2): Handle
7037 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7038 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7039 expand_builtin_mathfn_2.
7041 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7042 depend on flag_unsafe_math_optimizations.
7044 * config/i386/i386.md ("remaindersf3", "remainderdf3")
7045 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7046 Do not depend on flag_unsafe_math_optimizations. Use
7047 truncxf?f expander instead of truncxf?f_i387_noop.
7049 ("fpremxf4", "fprem1xf4"): Do not depend on
7050 flag_unsafe_math_optimizations.
7051 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7052 flag_unsafe_math_optimizations. Use truncxf?f expander
7053 instead of truncxf?f_i387_noop.
7055 * doc/md.texi (fmod, remainder): Document standard named pattern.
7057 2006-10-24 Richard Sandiford <richard@codesourcery.com>
7058 David Daney <ddaney@avtrex.com>
7061 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
7063 2006-10-25 Ben Elliston <bje@au.ibm.com>
7065 * doc/extend.texi (Variable Attributes): Typo fix.
7067 2006-10-24 Uros Bizjak <uros@kss-loka.si>
7069 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7070 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7071 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7072 (FRAME_POINTER_REGNUM): Update register number to 21.
7073 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7074 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7076 * config/i386/i386.c (regclass_map): Add fpcr entry.
7077 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7079 (print_reg): Assert REGNO (x) != FPCR_REG.
7081 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7082 (DIRFLAG_REG): Renumber.
7083 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7084 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7085 (sse_prologue_save, *sse_prologue_save_insn): Renumber
7086 hardcoded SSE register numbers.
7088 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7089 hardcoded MMX register numbers.
7091 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7094 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7095 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7097 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7098 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7099 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7100 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7102 2006-10-24 Richard Guenther <rguenther@suse.de>
7105 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7106 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7107 for deciding optimizations in consistency with fold-const.c
7108 (fold_builtin_unordered_cmp): Likewise.
7110 2006-10-24 Richard Guenther <rguenther@suse.de>
7112 * builtins.c (fold_builtin_floor): Fold floor (x) where
7113 x is nonnegative to trunc (x).
7114 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7115 nonnegative to FIX_TRUNC_EXPR.
7117 2006-10-24 Richard Guenther <rguenther@suse.de>
7119 PR tree-optimization/29567
7120 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7121 for TRUTH_NOT_EXPR. Clarify comments.
7123 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7126 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7127 at compile-time using MPFR. Change parameter VALUE to FUNC,
7129 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7130 for overflow and underflow at all times and avoid folding in
7133 2006-10-24 Ben Elliston <bje@au.ibm.com>
7135 * reload1.c: Formatting fixes.
7137 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7139 PR tree-optimization/14784
7140 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7141 * tree-ssa-structalias.c (get_constraint_for,
7142 intra_create_variable_infos): Set is_heapvar.
7143 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7144 non-heapvar pointer variables specially.
7146 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7149 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7150 fold_builtin_tan): Fold all constant arguments. Take a "type"
7151 argument as necessary.
7152 (do_mpfr_arg1): New.
7153 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7155 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7157 * config/xtensa/lib1funcs.asm: Use C-style comments.
7159 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7161 * tree.c (local_define_builtin): Replace calls to
7162 lang_hooks.builtin_function with add_builtin_function.
7163 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7165 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7167 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7168 common code to add_builtin_function.
7169 * langhooks.c (add_builtin_function): New function.
7170 (lhd_builtin_function): New function.
7171 * langhooks.h (struct lang_hooks): Change the signature of
7173 (add_builtin_function): New function.
7174 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7175 calls to lang_hooks.builtin_function with add_builtin_function.
7176 * c-common.c (decl_builtin_1): Replace calls to
7177 lang_hooks.builtin_function with add_builtin_function.
7178 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7179 lang_hooks.builtin_function with add_builtin_function.
7180 * config/frv/frv.c (def_builtin): Replace calls to
7181 lang_hooks.builtin_function with add_builtin_function.
7182 * config/s390/s390.c (s390_init_builtins): Replace calls to
7183 lang_hooks.builtin_function with add_builtin_function.
7184 * config/sparc/sparc.c (def_builtin): Replace calls to
7185 lang_hooks.builtin_function with add_builtin_function.
7186 * config/i386/i386.c (def_builtin): Replace calls to
7187 lang_hooks.builtin_function with add_builtin_function.
7188 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7189 lang_hooks.builtin_function with add_builtin_function.
7190 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7191 lang_hooks.builtin_function with add_builtin_function.
7192 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7193 Replace calls to lang_hooks.builtin_function with
7194 add_builtin_function.
7195 * config/iq2000/iq2000.c (def_builtin):
7196 Replace calls to lang_hooks.builtin_function with
7197 add_builtin_function.
7198 * config/ia64/ia64.c (def_builtin): Replace calls to
7199 lang_hooks.builtin_function with add_builtin_function.
7200 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7201 lang_hooks.builtin_function with add_builtin_function.
7202 (altivec_init_builtins): Replace calls to
7203 lang_hooks.builtin_function with add_builtin_function.
7204 * config/arm/arm.c (def_mbuiltin): Replace calls to
7205 lang_hooks.builtin_function with add_builtin_function.
7206 (arm_init_tls_builtins): Replace calls to
7207 lang_hooks.builtin_function with add_builtin_function.
7208 * config/mips/mips.c (mips_init_builtins): Replace calls to
7209 lang_hooks.builtin_function with add_builtin_function.
7210 * config/bfin/bfin.c (def_builtin): Replace calls to
7211 lang_hooks.builtin_function with add_builtin_function.
7212 * langhooks-def.h (lhd_builtin_function): New function.
7213 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7215 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7217 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7218 BUILT_IN_STRNCAT_CHK.
7220 2006-10-23 Jan Hubicka <jh@suse.cz>
7222 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7223 don't do conversion from memmove to memcpy here.
7224 (expand_builtin_bcopy, expand_builtin): Update call of
7225 expand_builtin_memmove.
7226 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7228 2006-10-23 Paul Brook <paul@codesourcery.com>
7230 * stor-layout.c (start_record_layout): maximum_field_alignment
7231 overrides STRUCTURE_SIZE_BOUNDARY.
7233 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7235 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7236 nonlocal function symbols if flag_pic.
7238 2006-10-23 Richard Guenther <rguenther@suse.de>
7242 * builtins.c (fold_binary): Remove checks for flag_wrapv
7243 and flag_trapv where negate_expr_p covers these cases.
7245 2006-10-23 Richard Guenther <rguenther@suse.de>
7248 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7249 of two on the absolute value.
7250 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7251 and negating -C does not overflow.
7253 2006-10-23 Richard Guenther <rguenther@suse.de>
7256 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7257 only if not flag_rounding_math.
7259 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7260 Kaz Kojima <kkojima@gcc.gnu.org>
7263 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7264 SImode memory reference for the source of a movua.
7265 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7266 (movua): Use an unspec instead of sign_extract. Expect the source
7267 to have mode BLKmode.
7268 (extv, insv): Use a BLKmode rather than SImode memory reference
7269 for the source of a movua.
7271 2006-10-22 Jeff Law <law@redhat.com>
7272 Richard Guenther <rguenther@suse.de>
7274 PR tree-optimization/15911
7275 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7276 (register_edge_assert_for_1): Likewise.
7277 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7278 (find_conditional_asserts): Adjust for new function signature.
7279 (find_assert_locations): Likewise.
7281 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7283 * config/i386/tmmintrin.h: Remove the duplicated content.
7285 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7287 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7288 (x86_64-*-*): Likewise.
7290 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7291 (override_options): Check SSSE3.
7292 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7293 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7294 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7295 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7296 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7297 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7298 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7299 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7300 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7301 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7302 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7303 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7304 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7305 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7306 IX86_BUILTIN_PABSD128.
7307 (bdesc_2arg): Add SSSE3.
7308 (bdesc_1arg): Likewise.
7309 (ix86_init_mmx_sse_builtins): Support SSSE3.
7310 (ix86_expand_builtin): Likewise.
7311 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7313 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7314 (UNSPEC_PSIGN): Likewise.
7315 (UNSPEC_PALIGNR): Likewise.
7316 Include mmx.md before sse.md.
7318 * config/i386/i386.opt: Add -mssse3.
7320 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7321 (ssse3_phaddwv4hi3): Likewise.
7322 (ssse3_phadddv4si3): Likewise.
7323 (ssse3_phadddv2si3): Likewise.
7324 (ssse3_phaddswv8hi3): Likewise.
7325 (ssse3_phaddswv4hi3): Likewise.
7326 (ssse3_phsubwv8hi3): Likewise.
7327 (ssse3_phsubwv4hi3): Likewise.
7328 (ssse3_phsubdv4si3): Likewise.
7329 (ssse3_phsubdv2si3): Likewise.
7330 (ssse3_phsubswv8hi3): Likewise.
7331 (ssse3_phsubswv4hi3): Likewise.
7332 (ssse3_pmaddubswv8hi3): Likewise.
7333 (ssse3_pmaddubswv4hi3): Likewise.
7334 (ssse3_pmulhrswv8hi3): Likewise.
7335 (ssse3_pmulhrswv4hi3): Likewise.
7336 (ssse3_pshufbv16qi3): Likewise.
7337 (ssse3_pshufbv8qi3): Likewise.
7338 (ssse3_psign<mode>3): Likewise.
7339 (ssse3_psign<mode>3): Likewise.
7340 (ssse3_palignrti): Likewise.
7341 (ssse3_palignrdi): Likewise.
7342 (abs<mode>2): Likewise.
7343 (abs<mode>2): Likewise.
7345 * config/i386/tmmintrin.h: New file.
7347 * doc/extend.texi: Document SSSE3 built-in functions.
7349 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7351 2006-10-22 Ira Rosen <irar@il.ibm.com>
7353 * tree-vect-transform.c (vectorizable_load): Use the type of the
7354 return value of the mask_for_load builtin to create realign_load
7357 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7359 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7362 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7364 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7365 (UNSPEC_LDDQU): This.
7366 * config/i386/sse.md (sse3_lddqu): Updated.
7368 2006-10-21 Richard Guenther <rguenther@suse.de>
7370 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7371 (expand_builtin): Use it to expand lrint instead of
7372 expand_builtin_mathfn.
7374 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7377 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7378 flag_unsafe_math_optimizations is set.
7380 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7383 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7384 patterns to use memory input operand in x87->mem->XMM
7385 reload sequences. Skip transformation for TARGET_K8.
7387 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7389 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7390 force operand1 to register if both operands are memory operands.
7391 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7392 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7393 if both operands are memory operands.
7394 (truncdfsf2): Do not force operand1 to register if both operands
7395 are memory operands.
7397 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7399 * Makefile.in (LIBS): Add $(GMPLIBS).
7400 * doc/install.texi: Update GMP and MPFR requirements.
7401 * doc/sourcebuild.texi (need_gmp): Delete.
7403 2006-10-21 Richard Guenther <rguenther@suse.de>
7405 PR tree-optimization/3511
7406 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7407 got new invariant arguments during PHI translation.
7409 2006-10-21 Richard Guenther <rguenther@suse.de>
7412 * fold-const.c (fold_comparison): Fold signed comparisons
7413 of the form X +- C1 CMP Y +- C2.
7415 2006-10-21 Richard Guenther <rguenther@suse.de>
7418 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7419 if flag_unsafe_math_optimizations is specified. We have
7420 flag_finite_math_only for that.
7421 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7422 or flag_unsafe_math_optimizations.
7424 2006-10-21 Richard Guenther <rguenther@suse.de>
7426 * builtins.c (fold_builtin_classify): Fix typo.
7428 2006-10-21 Richard Guenther <rguenther@suse.de>
7431 * simplify-rtx.c (simplify_const_relational_operation):
7432 Do not constant-fold ORDERED and UNORDERED for
7433 flag_unsafe_math_optimizations but only we do not need to
7434 honor NaNs for the given mode.
7436 2006-10-21 Richard Guenther <rguenther@suse.de>
7439 * config/i386/i386.c (classify_argument): Remove redundant
7440 walking of the BINFOs.
7441 (contains_128bit_aligned_vector_p): Likewise.
7443 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7445 * BASE-VER: Set to 4.3.0.
7447 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7449 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7450 (tree_decl_with_vis): Remove artificial_pta_var flag.
7451 * tree-flow.h (referenced_var_check_and_insert): Expose.
7452 (nonlocal_all): New prototype.
7453 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7454 (nonlocal_all): Make global.
7455 (nonlocal_lookup): Remove.
7456 (nonlocal_insert): Ditto.
7457 (create_nonlocal_var): Do not call nonlocal_insert.
7458 (get_nonlocal_id_for_type): Remove.
7459 (find_global_initializers): Mark new vars we find for renaming.
7460 (intra_create_variable_infos): Only create one nonlocal.
7461 (expand_nonlocal_solutions): Remove.
7462 (compute_points_to_sets): Don't call it.
7463 (ipa_pta_execute): Ditto.
7464 (init_alias_heapvars): Don't create nonlocal_for_type.
7465 (delete_alias_heapvars): Don't remove it.
7466 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7469 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7471 * doc/install.texi (Downloading GCC): Clarify mention of
7472 Fortran in the "full distribution" description.
7474 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7476 Fix PR tree-optimization/28778
7477 Fix PR tree-optimization/29156
7478 Fix PR tree-optimization/29415
7479 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7480 (tree_decl_with_vis): Add artificial_pta_var flag.
7481 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7482 pushed into callers.
7483 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7484 (nonlocal_all): Ditto.
7485 (struct variable_info): Add directly_dereferenced member.
7486 (var_escaped_vars): New variable.
7487 (escaped_vars_tree): Ditto.
7488 (escaped_vars_id): Ditto.
7489 (nonlocal_vars_id): Ditto.
7490 (new_var_info): Set directly_dereferenced.
7491 (graph_size): New variable
7492 (build_constraint_graph): Use graph_size.
7493 (solve_graph): Don't process constraints that cannot change the
7494 solution, don't try to propagate an empty solution to our
7496 (process_constraint): Set directly_dereferenced.
7497 (could_have_pointers): New function.
7498 (get_constraint_for_component_ref): Don't process STRING_CST.
7499 (nonlocal_lookup): New function.
7500 (nonlocal_insert): Ditto.
7501 (create_nonlocal_var): Ditto.
7502 (get_nonlocal_id_for_type): Ditto.
7503 (get_constraint_for): Allow results vector to be empty in the case
7504 of string constants.
7505 Handle results of calls properly.
7506 (update_alias_info): Update alias info stats on number and type of
7508 (find_func_aliases): Use could_have_pointers.
7509 (make_constraint_from_escaped): Renamed from
7510 make_constraint_to_anything, and changed to make constraints from
7512 (make_constraint_to_escaped): New function.
7513 (find_global_initializers): Ditto.
7514 (create_variable_info_for): Make constraint from escaped to any
7515 global variable, and from any global variable to the set of
7517 (intra_create_variable_infos): Deal with escaped instead of
7518 pointing to anything.
7519 (set_uids_in_ptset): Do type pruning on directly dereferenced
7521 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7522 (init_base_vars): Fix comment, and initialize escaped_vars.
7523 (need_to_solve): Removed.
7524 (find_escape_constraints): New function.
7525 (expand_nonlocal_solutions): Ditto.
7526 (compute_points_to_sets): Call find_escape_constraints and
7527 expand_nonlocal_solutions.
7528 (delete_points_to_sets): Don't fall off the end of the graph.
7529 (init_alias_heapvars): Initialize nonlocal_for_type and
7531 (delete_alias_heapvars): Free nonlocal_for_type and null out
7534 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7536 * fold-const.c (add_double): Rename to add_double_with_sign.
7537 Add 'unsigned_p' parameter and take it into account for the overflow.
7538 (mul_double): Rename to mul_double_with_sign.
7539 Add 'unsigned_p' parameter and take it into account for the overflow.
7540 (fold_div_compare): Call add_double_with_sign instead of add_double
7541 and mul_double_with_sign instead of mul_double, passing them the
7542 unsignedness of the type.
7543 * tree.h (add_double): Macroize.
7544 (add_double_with_sign): New prototype.
7545 (mul_double): Macroize.
7546 (mul_double_with_sign): New prototype.
7548 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7550 * config/score/crti.asm: New file.
7551 * config/score/crtn.asm: New file.
7552 * config/score/elf.h: New file.
7553 * config/score/mac.md: New file.
7554 * config/score/misc.md: New file.
7555 * config/score/mul-div.S: New file.
7556 * config/score/predicates.md: New file.
7557 * config/score/score7.md: New file.
7558 * config/score/score.c: New file.
7559 * config/score/score-conv.h: New file.
7560 * config/score/score.h: New file.
7561 * config/score/score.md: New file.
7562 * config/score/score-mdaux.c: New file.
7563 * config/score/score-mdaux.h: New file.
7564 * config/score/score-modes.def: New file.
7565 * config/score/score.opt: New file.
7566 * config/score/score-protos.h: New file.
7567 * config/score/score-version.h: New file.
7568 * config/score/t-score-elf: New file.
7569 * config.gcc: Add score*-*-* configurations(Update before).
7570 * doc/invoke.texi (Score Options): New section.
7571 * doc/md.texi (Score family): New section to document constraints.
7573 2006-10-19 Nick Clifton <nickc@redhat.com>
7575 * config/arm/arm.c: Fix spelling typo.
7577 2006-10-18 Tom Tromey <tromey@redhat.com>
7579 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7581 2006-10-18 Jan Hubicka <jh@suse.cz>
7584 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7587 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7589 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7590 TSI_SAME_STMT, since that's the desired entity.
7592 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7594 * config/s390/contraints.md: New file.
7595 * config/s390/s390-protos.h (s390_mem_constraint,
7596 s390_O_constraint_str, s390_N_constraint_str,
7597 s390_float_const_zero_p): Function prototypes added.
7598 * config/s390/s390.c (s390_extra_constraint_str,
7599 s390_const_double_ok_for_constraint_p,
7600 s390_const_ok_for_constraint_p): Functions removed.
7601 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7602 s390_float_const_zero_p): New functions.
7603 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7604 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7605 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7606 Macro definitions removed.
7607 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7608 s390_extra_constraint_str): Functions removed.
7610 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7611 Richard Sandiford <richard@codesourcery.com>
7614 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7615 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7617 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7619 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7620 (DWARF2_FRAME_REG_OUT): Likewise.
7621 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7622 (DWARF2_FRAME_REG_OUT): Likewise.
7624 2006-10-17 Paul Brook <paul@codesourcery.com>
7626 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7628 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7630 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7631 Standardize on "GNU Fortran" as the official name of the Fortran
7634 2006-10-16 Mike Stump <mrs@apple.com>
7636 * doc/invoke.texi (Darwin Options): Document -mkernel.
7637 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7639 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7640 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7641 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7642 (OS_MISSING_ALTIVEC): Add.
7643 * config/i386/i386.c (override_options): Add
7644 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7645 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7646 -mkernel, -static or -mdynamic-no-pic is given.
7647 (C_COMMON_OVERRIDE_OPTIONS): Add.
7648 * config/darwin.opt (fapple-kext): Add.
7650 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7651 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7653 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7654 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7655 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7656 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7657 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7658 (flag_mkernel): Add.
7659 (flag_apple_kext): Add.
7660 (TARGET_KEXTABI): Add.
7661 * config/darwin.c (darwin_handle_kext_attribute): Add.
7662 (DARWIN_VTABLE_P): Add.
7663 (darwin_binds_local_p): Add partial support for rebinding vtables
7665 (darwin_kextabi_p): Add.
7666 (darwin_override_options): Add.
7667 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7668 (darwin_kextabi_p): Add.
7669 (darwin_override_options): Add.
7670 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7671 __DYNAMIC__ and __STATIC__ here.
7673 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7675 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7676 Added mention of "make pdf" target, and Texinfo requirements for
7679 2006-10-16 DJ Delorie <dj@redhat.com>
7681 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7682 into the GOT in case we need a subreg of the address.
7684 2006-10-16 Richard Guenther <rguenther@suse.de>
7687 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7688 SSE builtin documentation. Document SSE2 builtins.
7690 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7692 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7693 symbol in the output file for non-shared links when -nostdlib or
7694 -nodefaultlibs isn't specified.
7696 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7697 posix thread support.
7699 2006-10-15 Jan Hubicka <jh@suse.cz>
7702 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7703 declared always_inline even when not inlining.
7705 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7706 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7707 Andrew Pinski <pinskia@gmail.com>
7710 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7712 2006-10-15 Jan Hubicka <jh@suse.cz>
7713 Richard Guenther <rguenther@suse.de>
7716 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7717 process_function_and_variable_attributes on all variables, including
7718 those discovered during cgraph construction phase.
7720 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7722 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7724 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7726 * config/i386/athlon.md (athlon_fist): Add fisttp.
7728 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7729 Ian Lance Taylor <ian@airs.com>
7732 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7733 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7736 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7738 * config/score/score.c, config/score/score.h: Fix comment
7741 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7744 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7747 2006-10-13 Eric Christopher <echristo@apple.com>
7749 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7751 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7754 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7755 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7756 alignment supported by 32-bit ELF.
7758 2006-10-13 Eric Christopher <echristo@apple.com>
7760 * config/darwin.c (darwin_emit_unwind_label): Strip
7761 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7763 2006-10-13 Richard Guenther <rguenther@suse.de>
7765 PR tree-optimization/29446
7766 * tree-vrp.c (fix_equivalence_set): Remove.
7767 (extract_range_from_assert): Do not call fix_equivalence_set.
7768 (debug_value_range): Print a newline.
7769 (compare_name_with_value): For equivalence sets with
7770 inconsistent value ranges conservatively bail out.
7771 (compare_names): Likewise.
7773 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7775 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7776 and MPFR for gfortran.
7778 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7780 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7781 alignment supported by 32-bit ELF.
7783 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7787 * c-typeck.c (digest_init): Always allow initializing vectors
7788 that have static storage duration with compound literals.
7789 * tree.c (build_type_attribute_qual_variant): New, based on
7790 build_type_attribute_variant.
7791 (build_type_attribute_variant): Rewrite using the former.
7792 (make_vector_type): Use build_type_attribute_qual_variant to build
7793 type variants. Use type_hash_canon on the others.
7795 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7796 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7798 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7800 2006-10-12 Jan Hubicka <jh@suse.cz>
7803 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7804 current_function_decl is set but current_function_scope is not.
7806 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7808 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7809 emit_insn to emit eh_return_internal instruction.
7810 (eh_return_internal): Explicitly set pc.
7812 2006-10-11 Richard Guenther <rguenther@suse.de>
7814 PR tree-optimization/28230
7815 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7816 to the correct place.
7818 2006-10-11 Richard Guenther <rguenther@suse.de>
7821 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7824 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7826 * configure.ac: Added pdf to "Make-hooks"
7827 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7828 targets and *.pdf file patterns in cleanup targets.
7829 * configure: Regenerated.
7831 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7833 * config/avr/predicates.md: New file.
7834 * config/avr/avr.md: Include it.
7835 (REG_SP): New constant.
7836 (peepholes): Use predicates.
7837 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7838 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7839 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7841 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7843 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7846 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7849 * builtins.c (var_decl_component_p): New function.
7850 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7851 single entry optimization to variables and components thereof.
7853 2006-10-10 Richard Guenther <rguenther@suse.de>
7855 PR rtl-optimization/29323
7856 * except.c (set_nothrow_function_flags): For functions
7857 that do not bind local bail out early.
7859 2006-10-10 Ben Elliston <bje@au.ibm.com>
7861 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7864 2006-10-09 Richard Henderson <rth@redhat.com>
7866 Revert emutls patch.
7868 2006-10-09 Richard Guenther <rguenther@suse.de>
7871 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7874 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7877 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7878 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7879 * configure: Regenerate.
7880 * config.in: Regenerate.
7882 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7884 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7886 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7888 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7889 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7890 Remove stray newline.
7892 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7894 * config/mips/mips.c (mips_classify_symbol): Do not return
7895 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7896 (mips_in_small_data_p): Tweak comments.
7898 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7900 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7902 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7904 * gimplify.c, sched-int.h: Fix comment typos.
7906 * sched-int.h: Fix comment typos.
7908 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7910 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7912 * sched-ebb.c (begin_schedule_ready): Use them.
7913 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7914 add_to_speculative_block, create_check_block_twin, speculate_insn,
7915 fix_jump_move, move_block_after_check): Ditto.
7916 * sched-rgn.c (new_ready): Ditto.
7918 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7920 PR rtl-optimization/29128
7921 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7922 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7923 allow interblock movement of speculation checks.
7925 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7928 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7929 casted to integer type.
7930 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7931 if they are significantly more expensive than [reg + index] ones.
7933 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7935 PR tree-optimization/29330
7936 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7937 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7938 on newly allocated ddrs.
7939 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7940 to VEC (loop_p, heap) pointer.
7941 (compute_data_dependences_for_loop): Adjust caller.
7942 (free_dependence_relations): Free DDR_LOOP_NEST.
7944 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7945 free DEPENDENCE_RELATIONS and DATAREFS.
7948 * builtins.c (expand_builtin_sync_operation,
7949 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7950 Use convert_to_mode to handle promoted arguments.
7952 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7954 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7956 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7958 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7960 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7962 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7963 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7964 Use <modeconstraint> instead of "r" as operand 1 constraint.
7966 2006-10-06 Olivier Hainque <hainque@adacore.com>
7968 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7969 Don't recurse on the pointed-to type.
7970 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7971 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7972 types with components of variable size.
7974 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7976 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7978 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7980 PR tree-optimization/29290
7981 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7985 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7986 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7989 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7990 the number of vector elements fill the rest with zeros.
7992 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7994 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7995 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7998 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
8000 * config/bfin/bfin.md (subsi3): Lose expander, change previously
8001 unnamed pattern into subsi3. Use correct constraints/predicates.
8002 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8003 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8005 2006-10-05 Ira Rosen <irar@il.ibm.com>
8007 * doc/loop.texi: Add data references analysis description.
8009 2006-10-04 Brooks Moses <bmoses@stanford.edu>
8011 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8013 2006-10-04 Richard Henderson <rth@redhat.com>
8014 Jakub Jelinek <jakub@redhat.com>
8016 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8017 * builtin-types.def (BT_WORD): Make unsigned.
8018 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8019 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8020 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8021 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8022 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8023 * cgraph.c (decide_is_variable_needed): Look at force_output.
8024 Recurse for emulated tls.
8025 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8026 checks redundant with decide_is_variable_needed.
8027 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8028 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8030 * expr.c (emutls_var_address): New.
8031 (expand_expr_real_1): Expand emulated tls.
8032 (expand_expr_addr_expr_1): Likewise.
8033 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8034 * output.h (emutls_finish): Declare.
8035 * toplev.c (compile_file): Call it.
8036 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8037 address before wrapping in CONST.
8038 * varasm.c (emutls_htab, emutls_object_type): New.
8039 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8040 (get_emutls_object_name, get_emutls_object_type): New.
8041 (get_emutls_init_templ_addr, emutls_decl): New.
8042 (emutls_common_1, emutls_finish): New.
8043 (assemble_variable): When emulating tls, swap decls; generate
8044 constructor for the emutls objects.
8045 (do_assemble_alias): When emulating tls, swap decl and target name.
8046 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8048 * emutls.c: New file.
8049 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8050 tls_object for real tls.
8052 2006-10-04 Zack Weinberg <zackw@panix.com>
8054 Fix bug in constraint-check generator, reported by Rask Ingemann
8056 * genpreds.c (add_constraint): Don't remove anything from the
8058 (write_tm_constrs_h): Detect whether "op" argument is used, and
8059 mark it ARG_UNUSED if it isn't.
8060 (write_insn_const_int_ok_for_constraint): Skip the part of the
8061 expression that would test whether "op" (which is not available
8062 here) is a CONST_INT.
8064 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
8067 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8069 2006-10-03 Geoffrey Keating <geoffk@apple.com>
8071 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8072 current Leopard versions.
8073 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8075 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
8077 * doc/install.texi: Fix typos.
8079 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8081 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8082 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8083 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8085 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
8087 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8088 arg to be struct mach_header_64* instead.
8090 2006-10-02 Jakub Jelinek <jakub@redhat.com>
8093 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8094 side effects after the outer expression's post side effects.
8096 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8098 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8099 comments to reflect actual behavior and relationship between
8100 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8102 * doc/c-tree.texi (Working with declarations): Fix documentation
8103 of FIELD_DECL likewise.
8105 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8108 * doc/extend.texi: Add used variable attribute description.
8110 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8113 * c.opt (Woverride-init): New.
8114 * c-opts.c (c_common_post_options): Default warn_override_init to
8116 * c-typeck.c (add_pending_init, output_init_element): Warn for
8117 overriding initializers without side effects.
8118 * doc/invoke.texi (-Woverride-init): Document.
8121 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8123 PR rtl-optimization/28096
8124 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8125 assignment has already been used as a destination earlier in the block.
8127 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8129 * builtins.c (expand_builtin_setjmp): Delete.
8130 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8131 <BUILT_IN_SETJMP_SETUP>: New case.
8132 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8133 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8134 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8135 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8136 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8137 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8138 (lower_function_body): Initialize it to false. If it is set to true
8139 at the end of the processing, emit the setjmp dispatcher.
8140 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8141 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8142 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8143 on the rhs of the assignment.
8144 (lower_builtin_setjmp): New function.
8145 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8146 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8147 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8148 to detect calls that can go to non-local labels. Use specific
8149 helper to create the abnormal edges associated with them.
8150 <MODIFY_EXPR>: Likewise.
8151 (make_abnormal_goto_edges): New function extracted from...
8152 (make_goto_expr_edges): ...here. Call it for computed gotos.
8153 (simple_goto_p): Minor tweak.
8154 (tree_can_make_abnormal_goto): New predicate.
8155 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8156 (tree_purge_dead_abnormal_call_edges): New function.
8157 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8158 (tree_purge_dead_abnormal_call_edges): Likewise.
8159 (make_abnormal_goto_edges): Likewise.
8160 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8161 Purge all dead abnormal edges if the call was in the last statement.
8162 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8163 (execute_fixup_cfg): If there are non-local labels in the function,
8164 scan the basic blocks and split them at calls that can go to non-local
8165 labels or add missing abnormal call edges. Write down the CFG in the
8167 (pass_fixup_cfg): Remove TODO_dump_func flag.
8168 * unwind-sjlj.c: Poison setjmp.
8169 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8170 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8171 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8172 (DONT_USE_BUILTIN_SETJMP): Document it.
8174 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8177 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8178 to 1 when __ppc64__ is defined.
8179 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8181 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8183 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8185 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8186 * config/ia64/unwind-hpux.c: Delete.
8188 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8190 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8191 on the element before gimplifying it, instead of punting if it is of
8194 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8196 * doc/loop.texi: New file.
8197 * doc/gccint.texi: Reference loop.texi.
8198 * Makefile.in (loop.texi): Add.
8200 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8202 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8204 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8205 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8207 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8209 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8211 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8213 * doc/install.texi: Document required versions of GMP and MPFR.
8215 2006-09-27 Paul Brook <paul@codesourcery.com>
8218 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8220 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8222 * reload1.c (alter_reg): Require the alignment of the stack slot to
8223 be at least reg_max_ref_width bytes.
8224 (scan_paradoxical_subregs): Record the largest width in
8227 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8231 * tree-nested.c (struct nesting_info): Added static_chain_added.
8232 (convert_call_expr): Set static_chain_added when adding static
8233 chain. Handle OMP_PARALLEL and OMP_SECTION.
8235 2006-09-25 Matthias Klose <doko@debian.org>
8237 * doc/invoke.texi: Add missing full stop.
8239 2006-09-25 Richard Henderson <rth@redhat.com>
8241 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8242 before cgraph_function_flags_ready.
8244 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8245 Adam Nemet <anemet@caviumnetworks.com>
8247 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8248 determine_common_wider_type): New functions.
8249 (get_computation_aff): Use them to simplify arithmetic between
8250 UBASE and CBASE if they are shortened from the same type.
8252 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8255 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8256 -2147483647 - 1 instead of 0x80000000.
8258 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8260 * flags.h (HONOR_NANS): Fix typo in comment.
8262 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8264 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8266 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8270 * tree.c (merge_attributes, attribute_list_contained): If both
8271 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8273 * c-typeck.c (comptypes_internal): Don't consider aggregates
8274 in different TUs as compatible if there one set of attributes is
8275 not a subset of the other type's attributes.
8276 (composite_type): Try harder not to create a new aggregate type.
8278 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8280 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8281 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8282 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8283 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8284 than replicating condition above.
8285 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8287 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8288 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8289 the linker by default.
8291 2006-09-22 Mike Stump <mrs@apple.com>
8293 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8296 2006-09-22 Richard Guenther <rguenther@suse.de>
8299 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8300 sort of stack variables stable.
8302 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8305 * explow.c (force_reg): Set REG_POINTER flag according to
8308 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8310 PR tree-optimization/28888
8311 * tree-if-conv.c (combine_blocks): Rewritten.
8312 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8313 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8315 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8317 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8320 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8322 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8324 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8326 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8328 2006-09-21 Roger Sayle <roger@eyesopen.com>
8331 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8332 dw_fde_current_label, to be the start of the function, i.e. the same
8333 value as dw_fde_begin.
8335 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8337 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8338 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8339 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8340 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8341 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8342 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8343 (abs<mode>2, neg<mode>2): Likewise.
8344 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8345 (*mips_abs_ps): New define_insn.
8347 2006-09-20 Josh Conner <jconner@apple.com>
8350 * calls.c (expand_call): Allow reuse of structure return stack
8353 2006-09-20 Paul Brook <paul@codesourcery.com>
8355 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8358 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8360 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8361 clean up terminology.
8363 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8366 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8367 with tablejumps in them.
8369 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8372 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8373 wrap it into TARGET_EXPR.
8375 2006-09-20 Eric Christopher <echristo@apple.com>
8377 * config/i386/i386.c (x86_fisttp): Remove.
8378 * config/i386/i386.h (x86_fisttp): Ditto.
8379 (TARGET_FISTTP): Ditto.
8381 2006-09-19 Eric Christopher <echristo@apple.com>
8383 * doc/tm.texi (OBJC_JBLEN): Describe.
8384 * config/i386/darwin.h (OBJC_JBLEN): Define.
8385 * config/rs6000/darwin.h: Ditto.
8387 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8389 PR rtl-optimization/21299
8390 * reload1.c (reload): Purge invalid ASMs in the final pass.
8392 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8395 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8396 pointers as legitimate constants.
8398 2006-09-19 Paul Brook <paul@codesourcery.com>
8401 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8403 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8405 PR tree-optimization/28887
8406 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8407 component parts from the reference.
8408 (gather_memory_references_ref): Record the reference without the
8409 nonaddressable component parts.
8411 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8414 * c-opts.c (c_common_handle_option): Ignore the -std options
8415 if the input language is assembly.
8417 2006-09-17 Ira Rosen <irar@il.ibm.com>
8420 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8422 (ptr_ptr_may_alias_p): Likewise.
8423 (record_record_differ_p): New function.
8424 (base_object_differ_p): Call record_record_differ_p.
8426 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8429 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8430 away for the expr argument.
8432 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8435 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8436 before using it for dumping after vectorizing loops.
8438 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8439 Jack Howarth <howarth@bromo.med.uc.edu>
8442 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8443 skip on error_mark_node.
8444 (rs6000_darwin64_record_arg_recurse): Likewise.
8446 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8448 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8449 * doc/rtl.texi: Remove related documentation.
8451 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8453 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8456 2006-09-15 Jim Wilson <wilson@specifix.com>
8458 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8459 Handle symbol offsets same as they are handled in ia64_expand_move
8462 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8464 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8465 Add forgotten parameter to the fprintf call.
8467 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8469 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8471 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8473 * doc/contrib.texi: Add my entry.
8475 2006-09-15 Nick Clifton <nickc@redhat.com>
8477 * doc/md.texi (Processor pipeline description): Fix typo in
8478 example of how to use the absence_set directive and reword the
8479 description to make it slightly easier to read.
8481 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8483 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8484 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8485 expanding the number of iterations.
8486 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8488 * cfgrtl.c (emit_insn_at_entry): New function.
8489 * rtl.h (emit_insn_at_entry): Declare it.
8490 * integrate.c (emit_initial_value_sets): Use it.
8492 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8494 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8496 (struct loop_work and related VEC declarations): Delete.
8497 (bfin_dump_loops): Print out new member bad.
8498 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8499 (bfin_scan_loop): Don't recurse.
8500 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8501 loops. No longer need to update outer loops if the current one is
8502 found bad. Move some validitiy checks to bfin_discover_loop.
8503 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8504 but changed not to check for nesting. Also changed to use the new bad
8506 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8507 time. Use bitmap based test to discover loop nesting.
8509 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8511 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8514 2006-09-14 Richard Guenther <rguenther@suse.de>
8515 Kazu Hirata <kazu@codesourcery.com>
8517 PR middle-end/28884.
8518 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8519 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8520 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8521 with TARGET_FUNCTION_VALUE.
8523 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8526 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8528 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8530 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8533 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8536 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8539 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8541 * basic_block.h (bb_has_eh_pred): Fix comment.
8543 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8545 * flow.c (calculate_global_regs_live): Invalidate eh registers
8546 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8547 (propagate_block): Handle eh registers as if they were set at basic
8549 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8551 * global.c (global_conflicts): Make eh registers to conflict with
8552 pseudos live at basic block begin.
8553 * basic_block.h (bb_has_eh_pred): New function.
8555 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8557 PR rtl-optimization/28982
8558 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8559 index of a PRE_MODIFY or POST_MODIFY address.
8560 * reload1.c (inc_for_reload): Use find_replacement on the original
8561 base and index registers.
8563 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8565 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8566 for -Os. Update __m128 alignment requirement.
8568 2006-09-13 Jan Hubicka <jh@suse.cz>
8570 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8572 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8574 PR rtl-optimization/28243
8575 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8576 the insn to which the note was originally attached.
8578 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8579 Roger Sayle <roger@eyesopen.com>
8581 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8582 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8583 on platforms that don't use dwarf for debug info.
8585 2006-09-12 Jason Merrill <jason@redhat.com>
8588 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8589 hard_frame_pointer_rtx after using it to update the frame pointer.
8591 2006-09-12 Roger Sayle <roger@eyesopen.com>
8593 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8594 (TARGET_ASM_CLOSE_PAREN): Likewise.
8595 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8596 (TARGET_ASM_CLOSE_PAREN): Likewise.
8598 2006-09-12 Roger Sayle <roger@eyesopen.com>
8601 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8602 frame information for frames larger than 512 Kbytes on Tru64 when
8603 using the native assembler.
8605 2006-09-12 Roger Sayle <roger@eyesopen.com>
8609 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8610 and symbols. Instead use the implementation from cse.c's hash_rtx.
8612 2006-09-12 Jan Hubicka <jh@suse.cz>
8614 PR rtl-optimization/28071
8615 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8616 (vect_transform_loop): Likewise.
8617 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8618 (new_loop_vec_info): Likewise.
8619 (destroy_loop_vec_info): Likewise.
8620 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8621 (create_stmt_ann): Likewise.
8622 (create_tree_ann): Rename to ...
8623 (create_tree_common_ann): ... this one; allocate only the common part
8625 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8626 (get_value_handle): Likewise.
8627 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8628 get_tree_common_ann.
8629 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8630 (vinfo_for_stmt): Use stmt annotations.
8631 * tree-flow.h (tree_ann_common_t): New type.
8632 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8633 (tree_ann, get_tree_ann, create_tree_ann): New.
8634 * tree-flow-inline.h (get_function_ann): Do more type checking.
8635 (stmt_ann): Likewise.
8636 (tree_ann): Rename to ...
8637 (tree_common_ann): ... this one; return ony common_ann
8638 (get_tree_ann): Rename to ...
8639 (tree_common_ann): This one; return only common_ann.
8640 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8643 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8645 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8646 with_cpu by default.
8648 * dwarf2out.c (dwarf_file_data): New.
8649 (enum dw_val_class): Add dw_val_class_file.
8650 (struct dw_val_struct): Add val_file.
8651 (file_table): Change to a hash table.
8652 (file_table_emitted): Delete.
8653 (file_table_last_lookup_index): Delete.
8654 (emitcount): Delete.
8655 (last_emitted_file): New.
8656 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8657 (init_file_table): Delete.
8658 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8659 (AT_addr): Add comment.
8663 (print_die): Handle dw_val_class_file.
8664 (print_dwarf_line_table): Update for new file table structure.
8665 (attr_checksum): Do checksum a filename.
8666 (same_dw_val_p, same_attr_p): Do compare a filename.
8667 (size_of_die): Handle dw_val_class_file.
8668 (value_format): Likewise.
8669 (output_die): Likewise. Also, call maybe_emit_file here.
8670 (struct file_info): Constify filenames. Make file_idx a pointer
8671 to a struct dwarf_file_data.
8672 (struct dir_info): Constify directory names. Remove 'used' field.
8673 (struct file_name_acquire_data): New.
8674 (file_name_acquire): New.
8675 (output_file_names): Modify to handle new file data structures.
8676 (add_src_coords_attributes): Use add_AT_file.
8677 (add_call_src_coords_attributes): Likewise.
8678 (dwarf2out_imported_module_or_decl): Likewise.
8679 (gen_subprogram_die): Modify for new file data structures.
8680 (gen_variable_die): Likewise.
8681 (file_table_eq): New.
8682 (file_table_hash): New.
8683 (file_table_last_lookup): New.
8684 (lookup_filename): Rewrite to handle new file data structures.
8685 (maybe_emit_file): Rewrite to handle new file data structures.
8686 (dwarf2out_source_line): Always call lookup_filename and
8688 (dwarf2out_init): Create file_table here.
8689 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8690 (file_table_relative_p): New.
8691 (dwarf2out_finish): Change detection of relative filenames
8692 to work with new file data structures. Move output_line_info call
8693 after debug_info output.
8695 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8700 * config/i386/i386.c (override_options): Always default to 16
8701 byte stack boundary.
8703 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8706 * var-tracking.c (dump_dataflow_set): Start dumping at
8708 (clobber_variable_part): Kill only the variable part in
8709 registers holding it, leaving other variables alone.
8711 2006-09-11 Josh Triplett <josh@freedesktop.org>
8713 * doc/extend.texi (Other Builtins): Actually use the macro
8714 argument in the documentation example for
8715 __builtin_types_compatible_p.
8717 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8719 PR rtl-optimization/28726
8720 * sched-deps.c (sched_analyze_reg): New function extracted from...
8721 (sched_analyze_1): ...here. Call it to analyze references to
8722 registers. Treat again writes to a stack register as writing to the
8724 (sched_analyze_2): ...and here. Call it to analyze references to
8725 registers. Treat again reads of a stack register as reading the
8728 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8729 David Edelsohn <edelsohn@gnu.org>
8732 * config/rs6000/spe.md (frob_df_di): Remove %H.
8733 (frob_di_df): Remove %H. Change evmergelo to mr.
8734 (frob_di_df_2): Remove %H. Change evldd to two loads.
8736 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8738 * doc/cpp.texi: Fix names of charset options.
8740 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8743 * config/i386/i386.c (override_options): Use 128-bit
8744 stack boundary always for 64bits.
8746 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8748 PR rtl-optimization/28636
8749 * combine.c (force_to_mode): Test for side-effects before
8750 substituting by zero.
8751 (simplify_shift_const): Likewise for zero or other constants.
8753 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8756 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8759 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8762 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8763 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8764 returned by mode_for_size, rather than the mode of src itself,
8765 to choose between 32-bit and 64-bit patterns.
8766 (mips_mem_fits_mode_p): New function.
8767 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8768 that the size of the source matches the size of the destination.
8769 (mov_<store>l, mov_<store>r): Likewise.
8771 2006-09-10 Eric Christopher <echristo@apple.com>
8773 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8776 2006-09-09 Eric Christopher <echristo@apple.com>
8779 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8782 2006-09-09 Roger Sayle <roger@eyesopen.com>
8783 Nicolas Setton <setton@adacore.com>
8785 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8787 2006-09-10 Andreas Schwab <schwab@suse.de>
8789 * config/m68k/m68k.md (bungt_rev): New pattern.
8791 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8792 Dale Johannesen <dalej@apple.com>
8795 * regclass.c (struct reg_pref): Update documentation.
8796 (regclass): Set prefclass to NO_REGS if memory is the best option.
8797 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8799 2006-09-08 Eric Christopher <echristo@apple.com>
8801 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8802 * config/t-slibgcc-darwin: Support x86_64 multilib.
8803 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8804 Return 1 for x86_64-darwin.
8805 * config/i386/t-darwin: Add m64 multilib.
8806 (LIB2_SIDITI_CONV_FUNCS): Use.
8807 (LIB2FUNCS_EXTRA): Ditto.
8808 * config/i386/darwin.h: Support x86_64.
8809 * config/i386/i386.c (override_options): Turn on flag_pic
8810 for x86_64-darwin. Disable flag_omit_pointer.
8811 (get_pc_thunk_name): Assert !TARGET_64BIT.
8812 (legitimate_address_p): Disable machopic addressing for
8814 (legitimize_pic_address): Ditto.
8815 (ix86_expand_move): Ditto.
8816 (ix86_expand_call): Ditto.
8817 (machopic_output_stub): Ditto.
8818 * config/darwin.c (machopic_select_section): Support literal16.
8819 (machopic_select_rtx_section): Ditto.
8820 * config/darwin-sections.def: Ditto.
8821 * config/darwin-64.c: New.
8823 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8826 * c-tree.h (struct c_arg_info): Add pending_sizes.
8827 * c-parser.c (c_parser_parms_declarator,
8828 c_parser_parms_list_declarator): Initialize pending_sizes.
8829 * c-decl.c (get_parm_info): Initialize pending_sizes.
8830 (get_parm_info): Set pending_sizes.
8831 (grokdeclarator): Call put_pending_sizes for parameters for
8832 function definition only.
8834 2006-09-07 Jason Merrill <jason@redhat.com>
8837 * varasm.c (output_constant): Only strip actual no-op conversions.
8840 * config/i386/i386.c (override_options): Use 128-bit
8841 stack boundary if -msse.
8843 2006-09-07 Eric Christopher <echristo@apple.com>
8845 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8847 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8850 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8852 * dwarf2out.c: Remove strange characters from comment above
8853 dwarf2out_frame_debug_expr.
8855 2006-09-07 Eric Christopher <echristo@apple.com>
8857 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8858 * config/darwin.h: ... to here.
8860 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8862 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8864 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8865 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8867 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8868 TARGET_PARTIAL_FLAG_REG_STALL.
8869 (*ashldi3_cconly_rex64): Likewise.
8870 (*ashlsi3_cmp): Likewise.
8871 (*ashlsi3_cconly): Likewise.
8872 (*ashlsi3_cmp_zext): Likewise.
8873 (*ashlhi3_cmp): Likewise.
8874 (*ashlhi3_cconly): Likewise.
8875 (*ashlqi3_cmp): Likewise.
8876 (*ashlqi3_cconly): Likewise.
8877 (*ashrdi3_cmp_rex64): Likewise.
8878 (*ashrdi3_cconly_rex64): Likewise.
8879 (*ashrsi3_cmp): Likewise.
8880 (*ashrsi3_cconly): Likewise.
8881 (*ashrsi3_cmp_zext): Likewise.
8882 (*ashrhi3_cmp): Likewise.
8883 (*ashrhi3_cconly): Likewise.
8884 (*ashrqi3_cmp): Likewise.
8885 (*ashrqi3_cconly): Likewise.
8886 (*lshrdi3_cmp_rex64): Likewise.
8887 (*lshrdi3_cconly_rex64): Likewise.
8888 (*lshrsi3_cmp): Likewise.
8889 (*lshrsi3_cconly): Likewise.
8890 (*lshrsi3_cmp_zext): Likewise.
8891 (*lshrhi3_cmp): Likewise.
8892 (*lshrhi3_cconly): Likewise.
8893 (*lshrqi2_cmp): Likewise.
8894 (*lshrqi2_cconly): Likewise.
8896 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8899 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8900 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8901 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8902 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8903 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8904 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8905 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8906 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8907 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8908 implement only CC setting effects of shift instructions.
8910 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8912 * doc/contrib.texi: Add myself.
8914 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8917 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8918 was set by the user.
8920 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8923 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8924 (divsi_inv_m1): Use them.
8925 (UNSPEC_DIV_INV_TABLE): New constant.
8927 2006-09-06 James E Wilson <wilson@specifix.com>
8930 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8931 then call count_or_remove_death_notes.
8933 2006-09-06 Jason Merrill <jason@redhat.com>
8936 * tree-inline.c (copy_result_decl_to_var): New fn.
8937 (declare_return_variable): Use it. Call declare_inline_vars here.
8938 (expand_call_inline): Not here.
8940 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8942 * doc/contrib.texi: Update my entry.
8944 2006-09-06 Nick Clifton <nickc@redhat.com>
8946 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8948 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8951 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8952 (canonicalize_induction_variables): Likewise.
8953 (tree_unroll_loops_completely): Likewise.
8954 (tree_ssa_prefetch_arrays): Likewise.
8955 (remove_empty_loops): Likewise.
8956 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8957 TODO_cleanup_cfg instead of directly calling
8958 cleanup_tree_cfg_loop.
8959 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8961 (tree_unroll_loops_completely): Likewise.
8962 (remove_empty_loops): Likewise.
8963 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8964 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8965 of tree_ssa_unswitch_loops.
8966 (tree_ssa_loop_ivcanon): Use the return value of
8967 canonicalize_induction_variables.
8968 (tree_ssa_empty_loop): Use the return value of
8970 (tree_complete_unroll): Use the return value of
8971 tree_unroll_loops_completely.
8972 (tree_ssa_loop_prefetch): Use the return value of
8973 tree_ssa_prefetch_arrays.
8974 * passes.c (execute_todo): Before Cleanup CFG, set
8975 updating_used_alone and after cleanup CFG, call
8976 recalculate_used_alone.
8978 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8981 * tree-vect-transform.c (vectorizable_condition): Move the check
8982 for the type after the check for simple condition.
8984 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8985 Kaz Kojima <kkojima@gcc.gnu.org>
8988 * mode-switching.c (optimize_mode_switching): Make the destination
8989 block of an abnormal edge have no anticipatable mode. Don't
8990 insert mode switching code at the end of the source block of
8993 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8995 PR rtl-optimization/26847
8996 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8997 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8998 (simplify_plus_minus): Count n_constants while filling ops. Replace
8999 qsort with insertion sort. Before going through the array to simplify
9000 pairs, sort it. Delay early exit until after the first sort, exiting
9001 only if no swaps occurred. Simplify pairs in reversed order, without
9002 special-casing the first iteration. Pack ops after simplifying pairs.
9004 2006-09-05 Anatoly Sokolov <aesok@post.ru>
9006 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9007 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9008 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9009 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9011 2006-09-05 Richard Guenther <rguenther@suse.de>
9013 PR tree-optimization/28900
9014 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9015 compound conditional before creating COND_EXPR condition.
9017 2006-09-05 Richard Guenther <rguenther@suse.de>
9019 PR tree-optimization/28905
9020 * tree-vrp.c (fix_equivalence_set): Manually implement
9021 !value_ranges_intersect_p to also handle symbolic ranges.
9023 2006-09-05 Richard Guenther <rguenther@suse.de>
9026 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9029 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9031 PR rtl-optimization/27616
9032 * cse.c (table_size): New static variable.
9033 (new_basic_block): Initialize it to 0.
9034 (remove_from_table): Decrement it.
9035 (insert): Increment it.
9036 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9037 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
9038 fold_rtx_mem_1 if under the cap.
9039 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9040 the lookup of the equivalent expression and test for equality of the
9041 first operand of the equivalent expression before in turn looking up
9042 an equivalent constant for the second operand.
9044 2006-09-02 Geoffrey Keating <geoffk@apple.com>
9047 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9048 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9049 pointer, instead of assuming it is possible to derive the
9050 correct args size from a call insn.
9052 2006-09-02 Jakub Jelinek <jakub@redhat.com>
9055 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9056 (fold_builtin_mempcpy): Rename to...
9057 (fold_builtin_memory_op): ... this. Optimize one element copy
9059 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9061 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9062 (expand_builtin_memcpy, expand_builtin_mempcpy,
9063 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
9064 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9065 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
9066 BUILT_IN_MEM{CPY,PCPY,MOVE}.
9068 2006-09-01 DJ Delorie <dj@redhat.com>
9070 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9071 (stzx_16): Likewise.
9072 ("stzx_24_<mode>"): Likewise.
9073 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9074 ("cmp<mode>_op"): New.
9075 (cmp<mode>): Change to expander; just save operands.
9077 (b<code>): Change to expander, emit compare here.
9078 (s<code>_op): Change to use split and expander.
9079 (s<code>_24_op): Likewise.
9080 (s<code>_<mode>): New.
9081 (s<code>_<mode>_24): New.
9082 (movqicc_<code>_<mode): New.
9083 (movhicc_<code>_<mode>): New.
9086 * config/m32c/m32c.c (compare_op0, compare_op1): New.
9087 (m32c_pend_compare): New.
9088 (m32c_unpend_compare): New.
9089 (m32c_expand_scc): New.
9090 (m32c_expand_movcc): Emit the compare also.
9091 * config/m32c/predicates.md (mra_nopp_operand): New.
9093 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
9094 Richard Guenther <rguenther@suse.de>
9095 Adam Nemet <anemet@caviumnetworks.com>
9098 * builtins.c (get_pointer_alignment): Handle more forms
9099 of base addresses that can be used to derive more precise
9100 information about alignment.
9102 2006-09-01 Jason Merrill <jason@redhat.com>
9105 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9108 * gimplify.c (voidify_wrapper_expr): Handle null type.
9110 2006-09-01 Josh Conner <jconner@apple.com>
9113 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9114 (execute_return_slot_opt): Use it.
9116 2006-08-31 Josh Conner <jconner@apple.com>
9119 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9120 returning aggregates.
9122 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9124 PR tree-optimization/28839
9125 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9126 blocks in that phi arguments appear.
9128 2006-08-31 Roger Sayle <roger@eyesopen.com>
9131 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9132 NULL, otherwise use an advance_loc4 to adjust relative to the
9134 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9135 (dwarf2out_switch_text_section): Reset the current label to avoid
9136 using advance_loc4 over section boundaries.
9138 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9141 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9142 r12 + SYMBOLIC_CONST.
9144 2006-08-30 Richard Guenther <rguenther@suse.de>
9146 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9148 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9150 PR rtl-optimization/27735
9151 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9152 Add new argument to keep track of whether an irreducible region
9153 was affected. All callers changed.
9154 (fix_irreducible_loops): Removed.
9155 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9156 flags were invalidated.
9158 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9160 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9161 instead of SF operands.
9162 (*fop_df_comm_sse): Likewise.
9163 (*fop_df_comm_i387): Likewise.
9164 (*fop_df_1_mixed): Likewise.
9165 (*fop_df_1_sse): Likewise.
9167 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9168 J"orn Rennecke <joern.rennecke@st.com>
9170 PR tree-optimization/17506
9171 * tree-ssa.c (warn_uninit): If warning about a location outside of
9172 the current function, note where the variable was declared.
9174 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9176 PR tree-optimization/28411
9177 * double-int.c (double_int_div): Use double_int_divmod.
9178 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9179 double_int_mod, double_int_smod, double_int_umod): New functions.
9180 * double-int.h (double_int_divmod, double_int_sdivmod,
9181 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9183 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9185 (get_computation_aff, get_computation_cost_at): Handle double_int
9186 return type of constant_multiple_of.
9188 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9191 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9192 an implicit conversion.
9194 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9196 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9198 2006-08-27 Roger Sayle <roger@eyesopen.com>
9200 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9203 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9205 * config/i386/crtfastmath.c: Fix a comment typo.
9207 2006-08-26 Roger Sayle <roger@eyesopen.com>
9209 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9210 temporary visit flags on CASE_LABEL_EXPRs.
9211 * c-common.c (match_case_to_enum): Add function comment. Avoid
9212 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9213 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9214 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9215 a constant, only warn if that constant value isn't handled.
9217 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9220 * input.h (restore_input_file_stack): Declare.
9221 (INPUT_FILE_STACK_BITS): Define.
9222 * toplev.c (fs_p, input_file_stack_history,
9223 input_file_stack_restored, restore_input_file_stack): New.
9224 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9225 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9226 (pop_srcloc): Don't free old state of stack.
9228 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9231 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9232 (PowerPC Type Attributes): New.
9234 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9236 * config/xtensa/xtensa.c (function_arg_boundary): New.
9237 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9239 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9240 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9242 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9245 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9248 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9250 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9251 (verify_local_live_at_start): Likewise.
9253 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9256 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9257 omp_add_variable): Treat sizes as variable whenever not
9260 2006-08-26 Richard Guenther <rguenther@suse.de>
9263 * fold-const.c (fold_binary): Fold temporary to correct
9264 type before constructing new comparison.
9266 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9269 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9270 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9272 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9275 * c-decl.c (start_function): Don't try to process prototype
9276 information from old declaration that isn't a function.
9278 2006-08-25 Jan Hubicka <jh@suse.cz>
9281 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9283 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9286 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9289 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9291 PR tree-optimization/16876
9292 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9293 exit if PARM doesn't match VALUE.
9295 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9297 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9298 literal_prefix directive.
9299 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9300 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9301 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9303 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9306 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9307 predicate to general_operand. Add 0->y and I->r alternatives.
9309 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9311 * doc/tm.texi: Fix a typo.
9312 * predict.c: Fix comment typos.
9314 2006-08-25 Nick Clifton <nickc@redhat.com>
9316 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9317 assertions of "cpu" and "machine".
9319 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9322 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9323 the access through a base which has an alias set of 0 cannot
9326 2006-08-24 Bill Wendling <wendling@apple.com>
9328 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9330 2006-08-24 Jan Hubicka <jh@suse.cz>
9332 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9334 2006-08-24 Jan Hubicka <jh@suse.cz>
9337 * cgraph.c: Fix comments.
9338 (cgraph_varpool_mark_needed_node): Mark only variables not already
9340 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9341 (cgraph_varpool_assembled_nodes_queue): New static variable.
9342 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9343 (cgraph_varpool_output_debug_info): New function.
9344 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9345 * Makefile.in: Add gt-cgraphunit.h
9347 2006-08-24 Jan Hubicka <jh@suse.cz>
9349 * predict.c (probability_reliable_p): New predicate.
9350 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9351 (predict_loops): Do not predict loop exit with less than 2%
9353 * basic-block.h (edge_probability_reliable_p,
9354 br_prob_note_reliable_p): Declare.
9355 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9356 prediction when static predictor is not reliable.
9357 * rs6000.c (output_cbranch): Likewise.
9359 2006-08-23 Stuart Hastings <stuart@apple.com>
9362 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9363 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9365 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9368 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9369 complex values, nor for generic vector values.
9371 2006-08-22 Richard Guenther <rguenther@suse.de>
9374 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9375 parameter. Convert arguments to arithmetic expression to the
9377 (analyze_scalar_evolution_1): Adjust caller.
9379 2006-08-22 Jan Hubicka <jh@suse.cz>
9381 Patch by Paolo Bonzini
9382 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9385 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9387 PR tree-optimization/28003
9388 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9389 before grouping aliases.
9391 2006-08-22 Roger Sayle <roger@eyesopen.com>
9393 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9394 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9396 2006-08-21 Jason Merrill <jason@redhat.com>
9399 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9400 wrapper. Loop to handle nested wrappers.
9401 (gimplify_bind_expr): Remove temp parameter.
9402 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9403 and STATEMENT_LIST on the rhs.
9404 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9405 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9406 (gimplify_target_expr): Remove special BIND_EXPR handling.
9408 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9410 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9413 2006-08-21 Olivier Hainque <hainque@adacore.com>
9415 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9416 Arrange for the temporary captures of components overlapping the lhs
9417 to happen before the lhs is possibly cleared.
9419 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9421 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9422 necessary places to pass the correct "number of registers" values
9425 2006-08-20 Jan Hubicka <jh@suse.cz>
9427 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9428 (create_name_tags): Instead of quadratic checking use hashtable.
9429 * bitmap.h: Include hashtab.h.
9430 (bitmap_hash): Declare.
9431 * bitmap.c (bitmap_hash): New function.
9433 2006-08-20 Jan Hubicka <jh@suse.cz>
9435 PR rtl-optimization/28071
9436 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9438 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9439 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9440 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9441 cgraph_decide_inlining_incrementally): Update use of
9442 cgraph_check_inline_limits.
9443 * cgraph.c (edge_hash, edge_eq): New function.
9444 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9445 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9446 cgraph_remove_node): Maintain call site hash.
9447 * cgraph.h (struct cgraph_node): Add call_site_hash.
9448 (cgraph_set_call_stmt): New function.
9450 2006-08-20 Jan Hubicka <jh@suse.cz>
9452 PR rtl-optimization/28071
9453 * reload1.c (reg_has_output_reload): Turn into regset.
9454 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9455 choose_reload_regs, emit_reload_insns): Update to new
9456 reg_has_output_reload.
9458 2006-08-20 Jan Hubicka <jh@suse.cz>
9461 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9462 function body sizes.
9463 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9465 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9468 * tree.c (handle_dll_attribute): Return early if not a
9469 var or function decl.
9471 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9474 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9475 alignment of SPE vector types.
9477 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9479 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9481 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9484 * cgraph.h (struct cgraph_node): Remove externally_visible
9486 * cgraphunit.c (process_function_and_variable_attributes): Set
9487 local.externally_visible rather than externally_visible.
9490 * c-common.c (handle_externally_visible_attribute): First look
9491 at TREE_CODE and only if it is function or var decl, check for
9492 non-public objects. Don't warn for DECL_EXTERNAL.
9493 * cgraphunit.c (process_function_and_variable_attributes): Warn
9494 if externally_visible attribute is used on non-public object.
9496 2006-08-17 Jan Hubicka <jh@suse.cz>
9498 PR tree-optimization/27865
9499 * reload1.c (forget_marked_reloads): New function.
9500 (forget_old_reloads_1): When data are passed, just mark the registers
9502 (reload_as_needed): Use the new mechanizm.
9504 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9507 * reload.h (reg_equiv_alt_mem_list): New declaration.
9508 * reload1.c (reg_equiv_alt_mem_list): New definition.
9509 (reload): Initialize it and release it.
9510 (delete_output_reload): Use it.
9511 * reload.c (push_reg_equiv_alt_mem): New function.
9512 (find_reloads_toplev): Call it.
9513 (find_reloads_address, find_reloads_address_1): Likewise.
9514 (find_reloads_subreg_address): Likewise.
9516 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9518 PR rtl-optimization/28489
9519 * sched-ebb.c (begin_schedule_ready): Create basic block
9521 (advance_target_bb): Skip empty blocks.
9522 * haifa-sched.c (bb_note): Make global.
9523 * sched-int.h (bb_note): Add prototype.
9525 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9527 PR tree-optimization/27865
9528 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9530 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9531 fold_used_pointer, pointer_used_p): New functions.
9532 (analyze_scalar_evolution_1): Use fold_used_pointer.
9533 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9534 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9537 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9540 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9541 or the INTEGER_CST. Fail on a CALL_EXPR.
9542 (fold_offsetof): Pass new argument to fold_offsetof_1.
9543 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9544 operand into an INDIRECT_REF.
9545 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9547 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9549 PR gcov/profile/26570
9550 * value-prof.c (static_values): Removed.
9551 (tree_find_values_to_profile): Do not set static_values.
9552 (find_values_to_profile): Do not free static_values.
9553 * profile.c (instrument_values): Do not free the values.
9554 (branch_prob): Free the values.
9556 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9558 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9560 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9563 * c-typeck.c (build_component_ref): Combine qualifiers of
9564 structure or union and field.
9566 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9568 PR rtl-optimization/28071
9569 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9570 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9571 * tree-into-ssa.c (struct dom_dfsnum): New.
9572 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9574 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9575 compute_global_livein.
9576 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9577 in phi nodes in the correct blocks.
9579 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9581 PR tree-optimization/28364
9582 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9584 (fold_affine_expr): New function.
9585 (may_eliminate_iv): Use fold_affine_expr.
9587 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9590 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9593 2006-08-16 Mike Stump <mrs@apple.com>
9595 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9596 * doc/cppopts.texi (-MD): Likewise.
9598 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9601 * c-common.c (handle_weak_attribute): Ignore and warn if
9602 not a FUNCTION_ or VAR_DECL.
9604 2006-07-15 Mike Stump <mrs@apple.com>
9607 * c-parser.c (c_parser_typeof_specifier): Don't use
9608 c_finish_expr_stmt, open code desired semantics instead.
9610 2006-08-15 Nick Clifton <nickc@redhat.com>
9612 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9613 fragment to tmake_file only if threads are enabled.
9614 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9615 * config/i386/t-gthr-win32: New file. ... here.
9617 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9620 * c-parser.c (c_parser_compound_statement_nostart): Reset
9621 parser->error after each statement.
9623 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9626 * omp-low.c (lower_omp_parallel): Convert t to
9627 receiver_decl's type.
9628 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9629 source before comparison.
9632 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9633 to itype in assignment to oldival2.
9635 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9639 * c-typeck.c (build_compound_expr): If the second expression
9640 is an error mark, then just return an error mark instead of
9641 creating a COMPOUND_EXPR.
9643 2006-07-14 Mike Stump <mrs@apple.com>
9645 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9647 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9649 * c-decl.c, var-tracking.c: Fix comment typos.
9651 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9653 PR rtl-optimization/28634
9654 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9655 for floating-point modes unless flag_unsafe_math_optimizations.
9657 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9658 Andrew Pinski <pinskia@physics.uc.edu>
9661 * tree.c (build_array_type): Unify array types with
9662 unspecified index_type.
9663 * c-decl.c (grokdeclarator): Make sure we do not modify a
9664 unified incomplete array type.
9665 * c-typeck.c (store_init_value): Create distinct type before
9666 filling in the index type in an initializer from a compound
9669 * c-decl.c (grokdeclarator): Remove code where we copy the
9672 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9674 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9675 into account for TODO_dump_cgraph.
9676 (TODO_update_ssa_no_phi): Likewise.
9677 (TODO_update_ssa_full_phi): Likewise.
9678 (TODO_update_ssa_only_virtuals): Likewise.
9679 (TODO_remove_unused_locals): Likewise.
9680 (TODO_set_props): Likewise.
9681 (TODO_update_stmt_usage): Likewise.
9683 2006-08-13 Dirk Mueller <dmueller@suse.de>
9685 * c-common.c (strict_aliasing_warning): Fix formatting.
9687 2006-08-13 Matthias Klose <doko@debian.org>
9689 * doc/invoke.texi: Fix spelling errors.
9691 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9693 PR rtl-optimization/23454
9694 * reorg.c (relax_delay_slots): Update comment.
9696 2006-08-11 Richard Guenther <rguenther@suse.de>
9699 * simplify-rtx.c (simplify_const_relational_operation):
9700 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9703 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9705 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9706 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9708 2006-08-10 Paul Brook <paul@codesourcery.com>
9710 * final.c (final_scan_insn): Clear current_insn_predicate before
9711 outputting inline asm.
9713 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9715 PR tree-optimization/26197
9716 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9717 get_ref_base_and_extent and overlap_subvar to add only relevant
9718 subvars as may-aliases.
9719 (add_may_alias_for_new_tag): New function, factored out of
9721 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9722 with additional argument.
9723 * tree-flow.h (new_type_alias): Takes additional argument.
9725 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9727 * gcov.c (no_data_file): New flag.
9728 (read_count_file): Set it if data file not present. Assume counts
9730 (output_lines): Don't name the data file, if there wasn't one.
9732 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9734 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9735 (rs6000_generate_compare): Tweak comments.
9736 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9738 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9740 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9741 (var_debug_decl): New function.
9742 (var_reg_set): Follow debug decl link. Add location even if
9743 reg is already known to hold some other variable.
9744 (var_mem_set): Follow debug decl link.
9745 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9746 decl link. Delete other known locations of the variable part
9748 (var_reg_delete, var_mem_delete): Delete other known locations
9749 of the variable part if requested.
9750 (same_variable_part_p): New function.
9751 (add_stores): Select MO_COPY when appropriate.
9752 (vt_initialize): Handle it.
9753 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9754 known locations for MO_SET and MO_CLOBBER.
9755 (find_variable_location_part): New function.
9756 (set_variable_part, delete_variable_part): Use it.
9757 (clobber_variable_part): New function.
9758 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9761 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9763 PR tree-optimization/26969
9764 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9765 with an empty list of PHIs.
9767 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9771 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9774 2006-08-06 Andreas Schwab <schwab@suse.de>
9776 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9777 string. Whitespace and comment fixup.
9779 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9782 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9786 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9789 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9791 2006-08-04 Jan Hubicka <jh@suse.cz>
9795 * reload.c (push_reload): Patch out the mismatching instruction;
9797 (find_reload): Bail out if the instruction was patched out.
9799 2006-08-04 Jan Hubicka <jh@suse.cz>
9801 PR tree-optimization/24888
9802 * tree-inline.c (expand_call_inline): Do not re-record variables.
9803 (declare_inline_vars): Add variable to unexpanded_var_list.
9805 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9806 Roger Sayle <roger@eyesopen.com>
9808 PR rtl-optimization/26244
9809 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9810 inner_const are negative or greater than or equal to the bitsize of
9811 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9812 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9813 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9814 CONST0_RTX (mode) when the new shift count is greater than or equal to
9815 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9818 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9820 * tree-cfg.c: Fix a comment typo.
9822 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9825 * varasm.c (output_constant): Give the front end another chance to
9826 expand constants, after stripping NOPs.
9828 2006-08-03 Jan Hubicka <jh@suse.cz>
9830 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9833 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9835 PR tree-optimization/27770
9836 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9837 declaration removed (moved to tree-flow.h).
9838 (vect_can_force_dr_alignment_p): Likewise.
9839 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9840 (moved from tree-vectorizer.h).
9841 (vect_can_force_dr_alignment_p): Likewise.
9842 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9843 from outside the vectorizer - in particular from cgraph stage.
9844 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9845 the alignment of global arrays when -fsection-anchors is enabled.
9846 * cgraphunit.c (cgraph_increase_alignment): New function.
9847 (cgraph_optimize): Call cgraph_increase_alignment.
9849 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9852 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9853 not reload a SPE symbol_ref into a lo_sum address.
9855 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9858 * dwarf2out.c (prune_unused_types_prune): Move call to
9859 prune_unused_types_update_strings to cover the parent DIE also.
9861 2006-08-02 Jan Hubicka <jh@suse.cz>
9863 PR gcov/profile/28480
9864 * tree-cfg.c (change_bb_for_stmt): New function.
9865 (tree_merge_blocks, tree_split_blocks): Use it.
9867 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9873 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9874 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9875 (cgraph_optimize): Likewise.
9877 2006-08-01 Stuart Hastings <stuart@apple.com>
9879 * rtl.h (UINTVAL) New.
9880 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9881 * testsuite/gcc.dg/20060801-1.c: New.
9883 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9886 * c-typeck.c (build_external_type): Mark used enum types.
9887 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9889 (gen_subprogram_die): Whitespace fix.
9891 2006-08-01 Jan Hubicka <jh@suse.cz>
9893 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9894 bitmap when not needed.
9895 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9898 2006-08-01 Dirk Mueller <dmueller@suse.de>
9900 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9902 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9904 * Makefile.in: Revert part of previous patch:
9905 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9908 2006-07-30 Eric Christopher <echristo@apple.com>
9911 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9912 (PowerPC Variable Attributes): New section.
9914 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9916 PR target/28126 (partial fix)
9917 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9919 2006-07-28 Jan Hubicka <jh@suse.cz>
9921 PR rtl-optimization/28071
9922 * cfgrtl.c (rtl_delete_block): Free regsets.
9923 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9925 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9927 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9928 and variables used in dependencies.
9930 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9932 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9933 %fs for -mcmodel=kernel.
9934 (stack_tls_protect_test_di): Likewise.
9936 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9938 * Makefile.in: Use mkinstalldirs.
9940 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9943 * opts-common.c (prune_options): Skip joined switches.
9945 2006-07-27 Jan Hubicka <jh@suse.cz>
9947 PR rtl-optimization/28071
9948 * cselib.c (cselib_process_insn): Don't remove useless values too
9949 often for very large hashtables.
9951 2006-07-27 Jan Hubicka <jh@suse.cz>
9953 PR rtl-optimization/28071
9954 * global.c (greg_obstack): New obstack.
9955 (allocate_bb_info): Use it.
9956 (free_bb_info): Likewise.
9957 (modify_reg_pav): Likewise.
9959 2006-07-27 Roger Sayle <roger@eyesopen.com>
9961 * builtins.c (fold_fixed_mathfn): When long and long long are the
9962 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9963 functions to their lceil*, lfloor*, lround* and lrint* forms.
9965 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9968 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9970 (rev_branch_insn): Likewise.
9972 2006-07-27 Jan Hubicka <jh@suse.cz>
9974 PR rtl-optimization/28071
9975 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9976 (reg_set_in_bb, max_reg_computed): New static variables.
9977 (regmove_optimize): Free the new array.
9978 (fixup_match_1): Update call of reg_is_remote_constant_p.
9980 2006-07-26 Jan Hubicka <jh@suse.cz>
9982 PR tree-optimization/27882
9983 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9985 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9987 (cgraph_analyze_compilation_unit): Likewise.
9988 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9989 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9990 (cgraph_early_inlinine): Make order garbage collected.
9991 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9993 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9995 * dbxout.c (output_types_sort): Add a comment.
9996 (output_used_types): Free the VEC.
9998 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
10000 * function.c (reorder_fix_fragments): Delete.
10001 (reorder_blocks): Don't call it.
10002 (reorder_blocks_1): Put all subblocks under the origin block.
10004 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
10006 PR rtl-optimization/27907
10007 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10010 2006-07-25 Roger Sayle <roger@eyesopen.com>
10012 PR middle-end/28473
10013 * convert.c (convert_to_integer): When transforming (T)foo(x) into
10014 bar(x) check that bar's result type can represent all the values of T.
10016 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
10018 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10020 2006-07-25 Nick Clifton <nickc@redhat.com>
10022 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10023 size_lookup[] array.
10024 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10025 (ggc_pch_count_object): Likewise.
10026 (ggc_pch_alloc_object): Likewise.
10027 (ggc_pch_write_object): Likewise.
10028 (init_ggc): Do not attempt to initialize entries in the
10029 size_lookup[] array for objects whose size is greater than than
10030 the length of the array.
10032 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
10034 * dbxout.c (output_used_types_helper): Push queued types
10036 (output_types_sort): New.
10037 (output_used_types): Collect used types on a VEC and sort them
10040 2006-07-24 Richard Guenther <rguenther@suse.de>
10042 PR middle-end/28463
10043 * cgraph.c (cgraph_remove_node): Do not check if dumps
10045 * cgraphunit.c (cgraph_optimize): Likewise.
10047 2006-07-24 Jan Hubicka <jh@suse.cz>
10049 PR rtl-optimization/28071
10050 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10051 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10052 splitting before first stmt.
10054 2006-07-24 Jan Hubicka <jh@suse.cz>
10056 PR rtl-optimization/28071
10057 * ipa-inline.c (update_caller_keys): Remove edges that
10058 are no longer inline candidates.
10060 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
10063 * dbxout.c (output_used_types_helper, output_used_types): New.
10064 (dbxout_symbol): Call output_used_types.
10066 2006-07-23 Jan Hubicka <jh@suse.cz>
10070 * cgraph.c (cgraph_varpool_nodes): Export.
10071 (decide_is_variable_needed): Ignored "used" attribute in
10072 unit-at-a-time mode.
10073 * cgraph.h (cgraph_varpool_nodes): Declare.
10074 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10075 unit-at-a-time mode.
10077 2006-07-23 Roger Sayle <roger@eyesopen.com>
10080 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10081 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
10082 the __gthrw form of thr_keycreate.
10083 (__gthread_key_delete): Silence the unused argument warning.
10085 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
10088 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10089 Cache the last found '\0' marker to avoid quadratic behavior.
10091 2006-07-23 Jan Hubicka <jh@suse.cz>
10093 * i386.md (subsi_3_zext): Fix output template.
10095 2006-07-21 Mike Stump <mrs@apple.com>
10097 * doc/invoke.texi (C++ Dialect Options): Note that
10098 -fvisibility-inlines-hidden doesn't affect explicitly
10099 instantiationed inline methods.
10101 2006-07-20 Roger Sayle <roger@eyesopen.com>
10103 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10104 if the target assembler is GNU binutils' gas.
10105 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10106 whether to pass GNU gas or native as command line options.
10108 2006-07-20 Jason Merrill <jason@redhat.com>
10110 * tree.c (remove_attribute): New fn.
10111 * tree.h: Declare it.
10113 2006-07-20 Paul Brook <paul@codesourcery.com>
10116 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10117 they are invalidated by this instruction.
10119 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10122 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10124 2006-07-20 Eric Christopher <echristo@apple.com>
10127 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10129 2006-07-19 Eric Christopher <echristo@apple.com>
10131 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10132 Rewrite dependencies for libgcc_s.1.dylib.
10134 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10136 * except.c (duplicate_eh_regions_1): Clear next_peer.
10138 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10140 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10141 -mlongcall does not guarantee all calls will be long.
10142 * doc/extend.texi (long_call/short_call): Document that longcall
10143 does not guarantee a long call will be used.
10144 (longcall/shortcall): Likewise.
10146 2006-07-18 Roger Sayle <roger@eyesopen.com>
10148 PR middle-end/28283
10149 * expmed.c (expand_shift): Additionally check that the shift_cost
10150 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10151 before implementing a LSHIFT_EXPR as a sequence of additions.
10152 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10153 middle-end that DImode shifts need to be synthesized by expand.
10155 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10158 * tree-ssa-operands.c (access_can_touch_variable): Update
10160 Return true if ALIAS is .GLOBAL_VAR.
10162 2006-07-18 David Daney <ddaney@avtrex.com>
10164 * gcc.c (display_help): Fix typo in help text.
10166 2006-07-18 Olivier Hainque <hainque@adacore.com>
10168 * tree.h (categorize_ctor_elements): Adjust prototype and add
10169 descriptive comment, both in accordance with the interface change
10171 * varasm.c (constructor_static_from_elts_p): New function.
10172 Whether a constructor node is a valid static constant initializer
10173 if all its elements are.
10174 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10175 * output.h: Declare it.
10176 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10177 is a valid constant initializer instead of computing the number of
10178 non-constant elements. Use constructor_static_from_elts_p for this
10179 purpose. Replace the head comment with an indication that this is a
10180 helper for categorize_ctor_elements.
10181 (categorize_ctor_elements): Same interface change as for the _1
10182 helper. Former head comment from this helper moved here, adjusted to
10183 account for the interface changes.
10184 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10185 (all_zeros_p): Likewise.
10186 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10187 static versions of the constructor from the categorize_ctor_elements
10188 return value instead of the formerly computed number of non-constant
10191 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10193 * configure: Regenerate.
10194 * Makefile.in (build_libsubdir): New configure substitution
10195 (build_libobjdir): New variable.
10196 (BUILD_LIBIBERTY): Use it.
10198 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10201 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10203 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10206 * c-common.c (handle_weakref_attribute): Ignore attribute in
10207 the same conditions the alias attribute is ignored.
10209 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10211 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10212 (dbxout_begin_prologue): Increment scope_labelno.
10214 2006-07-17 Richard Henderson <rth@redhat.com>
10217 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10220 2006-07-17 Roger Sayle <roger@eyesopen.com>
10221 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10223 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10224 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10225 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10226 functions such as sbrk, write, etc.. Add function prototypes.
10227 Convert function declarations from K&R to ISO C. Cast pointers
10228 to "long" and "unsigned long" instead of "int" and "unsigned int".
10229 Convert tokens following #endif into comments.
10231 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10233 * invoke.texi: Remove mention of f77; Reformat table for
10234 inline parameter options correctly; mention that -malign-double
10235 is default on x86-64 targets.
10237 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10239 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10240 (convert_affine_scev, chrec_convert_aggressive): Use
10241 avoid_arithmetics_in_type_p. Do not check for the subtypes
10244 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10246 PR middle-end/28403
10247 * optabs.c (expand_doubleword_shift): Wrap the call to
10248 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10250 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10252 PR middle-end/28402
10253 * optabs.c (expand_binop): Pass next_methods rather than methods
10254 to expand_doubleword_shift.
10256 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10259 * tree.h (dump_addr): Declare.
10260 * print-tree.c (dump_addr): New function.
10261 (print_node_brief, print_node): Use it.
10262 * print-rtl.c (print_rtx): Likewise.
10263 * common.opt (-fdump-noaddr): New option.
10264 * doc/invoke.texi (-fdump-noaddr): Document.
10265 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10266 (ve_info_hash): Likewise.
10268 2006-07-13 Andrew Haley <aph@redhat.com>
10270 PR tree-optimization/19505
10271 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10272 edge leaving this block, make sure that the destination of this
10273 block has only one predecessor.
10275 2006-07-17 Richard Guenther <rguenther@suse.de>
10277 PR tree-optimization/28238
10278 * tree-inline.c (copy_bb): Check if we produced valid
10279 gimple copying and substituting a stmt. If not, gimplify
10282 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10284 * optabs.c (maybe_encapsulate_block): New function extracted from...
10285 (emit_libcall_block): ...here. Invoke it on the block of insns to
10286 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10287 (emit_no_conflict_block): Likewise.
10289 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10291 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10293 2006-07-15 Roger Sayle <roger@eyesopen.com>
10295 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10296 a new NOP_EXPR case of the switch statement.
10298 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10300 PR middle-end/28160
10301 * stor-layout.c (place_field): Take the bit field with
10302 an excessive size into account in the ms-bitfiled case.
10304 PR middle-end/28161
10305 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10306 the previous bit field.
10308 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10311 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10313 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10315 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10316 signal frames correctly even when the signal was installed with
10319 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10321 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10322 (dbxout_function_end): Use local label LFBB. Remove hook
10324 (dbxout_source_line): Use local label LFBB.
10325 (dbxout_block): Likewise.
10326 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10327 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10328 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10329 and DBX_OUTPUT_NFUN.
10331 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10333 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10335 2006-07-13 Jan Hubicka <jh@suse.cz>
10337 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10339 * output.h (align_variable): Declare.
10340 * varasm.c (align_variable): Export.
10341 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10342 when basic block changed.
10344 2006-07-13 Nick Clifton <nickc@redhat.com>
10346 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10347 walking the LOG_LINKS chain.
10349 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10351 * doc/invoke.texi (C++ Dialect Options): Explain difference
10352 between -fvisibility-inlines-hidden and setting hidden
10353 visibility explicitly.
10355 2006-07-12 Eric Christopher <echristo@apple.com>
10357 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10358 (stmp-lipo): Depend on libgcc.a.
10360 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10362 * tree.c: Fix a comment typo.
10364 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10366 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10368 (umulhisi3_r): Likewise.
10370 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10373 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10374 x < 19, vs wchar_t support.
10376 2006-07-12 Nick Clifton <nickc@redhat.com>
10378 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10379 instead of -isa=sh4.
10381 2006-07-12 Mike Stump <mrs@apple.com>
10383 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10385 2006-07-10 Eric Christopher <echristo@apple.com>
10387 * config/t-slibgcc-darwin: Rewrite.
10389 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10392 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10395 2006-07-08 Matthias Klose <doko@debian.org>
10397 * doc/sourcebuild.texi: Fix typo.
10399 2006-07-07 Mike Stump <mrs@apple.com>
10401 * toplev.c (process_options): Don't give -ffunction-sections may
10402 affect debugging warning for Mach-O.
10404 2006-07-07 James E Wilson <wilson@specifix.com>
10406 * config/mips/mips.md (cpu): Add sb1a.
10407 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10408 addition to sb1. Adjust comments to clarify SB-1A differences from
10410 (ir_sb1a_load): New. Modify bypasses to use it.
10411 (ir_sb1a_simple_alu): Likewise.
10412 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10413 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10414 (mips_issue_rate): Add PROCESSOR_SB1A.
10415 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10416 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10417 (TARGET_SB1): Add PROCESSOR_SB1A check.
10418 (TUNE_SB1): Likewise.
10420 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10421 * config/mips/mips.c (mips_store_data_bypass_p): New.
10422 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10423 store_data_bypass_p.
10425 2006-07-08 Paul Brook <paul@codesourcery.com>
10428 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10430 2006-07-07 Richard Guenther <rguenther@suse.de>
10432 PR middle-end/28268
10433 * tree.h (build_one_cst): Declare.
10434 * tree.c (build_one_cst): New function.
10435 * tree-ssa-math-opts.c (get_constant_one): Remove.
10436 (insert_reciprocals): Use build_one_cst.
10437 * fold-const.c (fold_plusminus_mult): Likewise.
10439 2006-07-07 Roger Sayle <roger@eyesopen.com>
10441 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10442 * cfgloopanal.c (dump_graph): Likewise.
10443 * dojump.c (discard_pending_stack_adjust): Likewise.
10444 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10446 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10447 * function.c (finalize_block_changes): Likewise.
10448 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10449 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10450 * rtl.c (dump_rtx_statistics): Likewise.
10451 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10453 * varray.c (dump_varray_statistics): Likewise.
10454 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10455 decode_decimal64, encode_decimal128, decode_decimal128,
10456 decimal_real_to_decimal): Likewise.
10458 2006-07-07 Richard Guenther <rguenther@suse.de>
10460 PR tree-optimization/28187
10461 * tree-vrp.c (vrp_operand_equal_p): New function.
10462 (vrp_bitmap_equal_p): Likewise.
10463 (update_value_range): Use them to compare old and new
10464 max and min values.
10466 2006-07-06 Roger Sayle <roger@eyesopen.com>
10468 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10469 a default case to switch statement to silence compiler warnings.
10471 2006-07-06 Roger Sayle <roger@eyesopen.com>
10474 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10475 the configured assembler supports the x87's ffreep mnemonic.
10476 * configure: Regenerate.
10477 * config.in: Regenerate.
10479 * config/i386/i386.c (output_387_ffreep): New function.
10480 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10481 (output_387_reg_move): Likewise.
10483 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10485 Port to hosts whose 'sort' and 'tail' implementations
10486 treat operands with leading '+' as file names, as POSIX
10487 has required since 2001. However, make sure the code still
10488 works on pre-POSIX hosts.
10489 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10490 which says you should use "tail -c +N" rather than "tail +Nc".
10491 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10493 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10495 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10498 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10501 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10502 PRE_{INC,DEC} of TFmode.
10504 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10505 Alan Modra <amodra@bigpond.net.au>
10508 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10511 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10514 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10515 Remove duplicate gtu.
10517 2006-07-05 Jason Merrill <jason@redhat.com>
10521 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10522 * c-common.c (handle_packed_attribute): So don't copy it here.
10523 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10525 2006-07-05 Mike Stump <mrs@apple.com>
10527 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10529 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10532 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10534 2006-07-05 Richard Guenther <rguenther@suse.de>
10537 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10538 TARGET_SSE2 targets if using SSE math.
10539 (*absdf2_1): Likewise.
10541 2006-07-05 Richard Guenther <rguenther@suse.de>
10543 PR tree-optimization/28162
10544 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10545 make sure to convert the operands to the correct type.
10547 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10549 PR tree-optimization/28218
10551 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10552 to calculate and free the dominator information.
10554 2006-07-04 Peter O'Gorman <peter@pogma.com>
10556 * mklibgcc.in: chmod 644 before ranlib during install.
10558 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10559 J"orn Rennecke <joern.rennecke@st.com>
10561 * configure.ac (.eh_frame data check): Use diff -b.
10563 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10566 * Makefile.in (BUILD_RTL): Add build/vec.o.
10567 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10568 (build/genextract): Delete.
10569 (build/genautomata): Likewise.
10571 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10574 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10575 128-bit IBM long doubles for ABI_V4.
10577 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10579 * tree.c (range_in_array_bounds_p): New predicate.
10580 * tree.h (range_in_array_bounds_p): Declare it.
10581 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10582 return a less conservative answer.
10583 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10584 and flag 'is_group'.
10585 (IS_ELEMENT_FOR_GROUP): New macro.
10586 (FOR_EACH_ACTUAL_CHILD): Likewise.
10587 (next_child_for_group): New helper function.
10588 (can_completely_scalarize_p): Take into account groups.
10589 (sra_hash_tree): Handle RANGE_EXPR.
10590 (sra_elt_eq): Likewise.
10591 (lookup_element): Be prepared for handling groups.
10592 (is_valid_const_index): Delete.
10593 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10594 instead of is_valid_const_index.
10595 <ARRAY_RANGE_REF>: New case.
10596 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10597 is_valid_const_index.
10598 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10599 (scan_dump): Dump info for groups too.
10600 (decide_instantiation_1): Likewise.
10601 (decide_block_copy): Assert that the element is not a group.
10602 Propagate decision to groups.
10603 (generate_one_element_ref): Handle RANGE_EXPR.
10604 (mark_no_warning): Iterate over actual childs.
10605 (generate_copy_inout): Likewise.
10606 (generate_element_copy): Likewise.
10607 (generate_element_zero): Likewise.
10608 (generate_element_init_1): Likewise.
10609 (dump_sra_elt_name): Handle RANGE_EXPR.
10611 2006-07-03 Roger Sayle <roger@eyesopen.com>
10613 PR tree-optimization/26251
10614 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10615 (thread_block): When optimizing for size refuse to thread jumps
10616 that would require duplication of blocks other than redirection
10619 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10621 * configure.ac: Fix thinko in previous check-in.
10622 * configure: Regenerate.
10624 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10627 * configure.ac (for lang...): Simplify nesting of conditionals.
10628 Test subdir_requires for non-enabled languages. Move processing
10629 of lang_opt_files and lang_tree_fiels below that test.
10630 * configure: Regenerate.
10631 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10633 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10635 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10637 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10639 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10642 2006-06-29 Jason Merrill <jason@redhat.com>
10649 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10650 * c-common.c (c_determine_visibility): Handle it here.
10651 * c-decl.c (finish_decl): Call c_determine_visibility for
10653 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10654 * tree.h: Likewise.
10655 * varasm.c (default_assemble_visibility): Likewise.
10656 * c-common.c (handle_visibility_attribute): Complain about trying
10657 to give visibility to an already defined class, or trying to change
10658 declared visibility. Always attach the attribute.
10663 * attribs.c (decl_attributes): Ignore type-in-place attributes
10664 once the type has been defined.
10666 2006-06-29 Roger Sayle <roger@eyesopen.com>
10668 PR middle-end/27428
10669 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10670 to indicate the cpplib has issued an error message for us.
10672 2006-06-29 Asher Langton <langton2@llnl.gov>
10675 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10676 insert a label at the end of an function under Mach-O.
10678 2006-06-29 Eric Christopher <echristo@apple.com>
10679 Evan Cheng <evan.cheng@apple.com>
10681 * predicates.md (vector_all_ones_operand): New.
10682 (nonimmediate_or_sse_const_operand): Ditto.
10683 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10684 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10685 (standard_sse_mode_p): Ditto.
10686 (standard_sse_constant_p): Add case for -1 vector.
10687 (ix86_expand_vector_move): Try to use.
10688 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10689 Call standard_sse_constant_opcode.
10690 (*movv4sf_internal): Ditto.
10691 (*movv2df_internal): Ditto.
10693 2006-06-29 Roger Sayle <roger@eyesopen.com>
10695 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10696 of XEXP to extract the operands of a MATCH_CODE rtx.
10698 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10700 * tree.c (tree_size): Do not waste tail padding in
10701 struct tree_string and make the size be the same as
10702 build_string will generate.
10704 2006-06-28 Jason Merrill <jason@redhat.com>
10707 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10708 may_aliases already in the tag's annotations to the bitmap.
10710 2006-06-28 Roger Sayle <roger@eyesopen.com>
10712 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10714 2006-06-28 Roger Sayle <roger@eyesopen.com>
10716 * genpreds.c (generate_switch_p): New function.
10717 (add_mode_tests): Push the new mode test down inside an AND expr
10718 if this allows the switch-suitable MATCH_CODE to be near the root.
10719 (write_match_code_switch): New function to write a MATCH_CODE as
10720 a switch statement.
10721 (write_predicate_stmts): New function to write a predicate RTX
10722 expression as a sequence of statements.
10723 (write_one_predicate_function): Use write_predicate_stmts.
10724 (write_tm_constrs_h): Likewise.
10726 2006-06-26 Fred Fish <fnf@specifix.com>
10728 * config/mips/t-sb1: New file.
10729 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10732 2006-06-26 DJ Delorie <dj@redhat.com>
10734 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10736 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10737 Jayant Sonar <jayants@kpitcummins.com>
10738 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10740 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10741 (subsi3, subsi3_1, subsi3_2): New.
10742 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10743 * config/m32c/mov.md (SI mov peephole): New.
10744 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10745 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10747 2006-06-26 Olivier Hainque <hainque@adacore.com>
10749 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10750 a CALL_EXPR target function declaration.
10752 2006-06-26 Richard Guenther <rguenther@suse.de>
10754 * tree.c (build_string): Do not waste tail padding in
10755 struct tree_string.
10757 2006-06-26 Richard Guenther <rguenther@suse.de>
10759 * ggc-page.c (init_ggc): Add missing element to size_lookup
10763 2006-06-23 Richard Guenther <rguenther@suse.de>
10765 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10766 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10767 alignment requests instead. Add verification code.
10768 Add struct tree_function_decl and struct tree_binfo size to
10769 extra_order_size_table. Add missing element to size_lookup
10772 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10774 PR middle-end/28151
10775 * fold-const.c (const_binop): Be prepared for self returning zero.
10776 Simplify code handling complex values.
10778 2006-06-24 Olivier Hainque <hainque@adacore.com>
10780 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10781 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10784 2006-06-24 Olivier Hainque <hainque@adacore.com>
10786 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10787 ARRAY_REF, so have the callback called for the low bound expression.
10789 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10791 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10792 * c-typeck.c (c_common_type): Disallow operations on decimal float
10793 types and other float types.
10794 * convert.c (convert_to_real): Don't ignore conversions involving
10795 decimal float types.
10797 2006-06-23 Olivier Hainque <hainque@adacore.com>
10799 * tree.c (max_int_size_in_bytes): New function, inspired from
10800 code in function.c:assign_temp.
10801 * tree.h (max_int_size_in_bytes): Declare.
10802 * function.c (assign_temp): Use it.
10803 * gimplify.c (create_tmp_var): Relax the assertions on the type
10804 properties, not mandating constant size any more.
10805 (force_constant_size): New static function.
10806 (gimple_add_tmp_var): Use it, forcing variable size to a
10807 constant upper bound if it is not constant on entry.
10809 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10812 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10813 for initialization and setting of one_only flag to ...
10814 (i386_pe_encode_section_info): ...here.
10815 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10816 Recheck that the symbol has not been defined.
10818 2006-06-23 Richard Guenther <rguenther@suse.de>
10820 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10821 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10822 alignment requests instead. Add verification code.
10823 Add struct tree_function_decl and struct tree_binfo size to
10824 extra_order_size_table. Add missing element to size_lookup
10827 2006-06-22 Roger Sayle <roger@eyesopen.com>
10828 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10830 PR middle-end/28131
10831 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10832 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10834 2006-06-23 Ben Elliston <bje@au.ibm.com>
10836 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10837 negate dn -- manipulate it directly.
10839 2006-06-22 Roger Sayle <roger@eyesopen.com>
10840 Steven Bosscher <stevenb.gcc@gmail.com>
10843 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10844 generated by gen_move_insn to add REG_LABEL notes if necessary.
10846 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10848 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10849 (leaf_entry): Remove use of MIN_ESA.
10851 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10853 PR rtl-optimization/28121
10854 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10857 2006-06-21 DJ Delorie <dj@redhat.com>
10859 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10861 (mulhisi3_r): Likewise.
10863 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10865 PR middle-end/28034
10866 * coverage.c (coverage_counter_alloc): Leave the index type
10868 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10871 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10873 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10874 section from the "Options for Code Generation Conventions".
10876 2006-06-21 Richard Henderson <rth@redhat.com>
10880 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10882 (global_symbolic_operand): Allow weak symbols, even if local_p.
10884 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10886 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10887 (find_interesting_uses_address): Punt if above function returns true.
10889 2006-06-21 Richard Guenther <rguenther@suse.de>
10891 * configure: Regenerated.
10893 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10895 * config/mips/mips.c (function_arg): Where one part of a
10896 complex argument is in registers and the other part in the stack,
10897 return a REG not a PARALLEL.
10899 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10901 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10902 when cross-compiling. Do not substitute libstdcxx_incdir.
10903 * configure: Regenerated.
10905 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10907 * varasm.c (mergeable_string_section): Check for embedded NULs and
10908 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10909 rather than TREE_STRING_LENGTH bytes.
10911 2006-06-21 Richard Guenther <rguenther@suse.de>
10913 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10914 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10917 2006-06-21 Richrad Guenther <rguenther@suse.de>
10919 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10920 Limit iteration over the dominators.
10922 2006-06-20 Roger Sayle <roger@eyesopen.com>
10924 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10925 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10927 2006-06-20 Richard Guenther <rguenther@suse.de>
10928 Michael Matz <matz@suse.de>
10930 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10932 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10933 * et-forest.h (et_free_pools): Prototype new function.
10934 * et-forest.c (et_free_tree_force): Free parent occurrence.
10935 (et_free_pools): New function.
10936 * dominance.c (free_dominance_info): Free et-forest alloc
10939 2006-06-20 Roger Sayle <roger@eyesopen.com>
10941 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10942 integer modes, attempt to directly construct an integer constant.
10944 * fold-const.c (native_encode_vector): Determine the size of each
10945 element from the vector type instead of the first vector element.
10947 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10948 if all of its elements/components are constant.
10949 (build_constructor_from_list): Likewise.
10951 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10953 PR tree-optimization/27331
10954 * tree-data-ref.c (free_data_ref): New function.
10955 (create_data_ref): Fail if the data reference has unknown access
10957 (free_data_refs): Use free_data_ref.
10959 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10961 PR middle-end/28075
10962 * tree-inline.c (setup_one_parameter): Strip useless
10963 type conversion before adding it to the IR.
10964 (declare_return_variable): Likewise.
10966 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10969 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10971 2006-06-19 Mike Stump <mrs@apple.com>
10973 * tree.c (variably_modified_type_p): VM arguments don't make the
10976 2006-06-19 Richard Guenther <rguenther@suse.de>
10978 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10979 type conversions after folding.
10981 2006-06-19 Richard Guenther <rguenther@suse.de>
10983 * ggc-page.c (extra_order_size_tab): Add entries with
10984 size of struct function and basic_block.
10985 (size_lookup): Extend to cover sizes up to 511.
10986 (ggc_alloc_stat): Adjust user.
10987 (ggc_pch_count_object): Likewise.
10988 (ggc_pch_alloc_object): Likewise.
10989 (ggc_pch_write_object): Likewise.
10991 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10993 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10994 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10997 2006-06-19 Denis Chertykov <denisc@overta.ru>
10999 * config/avr/libgcc.S : Correct my wrong previous commit.
11001 2006-06-19 Roger Sayle <roger@eyesopen.com>
11004 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11005 have stripped a SUBREG from the shift count, so we may need to
11006 convert_to_mode back to the type's mode before calling make_tree.
11007 Use new_amount instead of amount to avoid expanding a tree twice.
11009 2006-06-19 Richard Guenther <rguenther@suse.de>
11011 PR middle-end/28045
11012 * fold-const.c (operand_equal_p): Check if the argument types
11013 have the same precision before stripping NOPs.
11015 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
11017 Fix PR tree-optimization/27341
11018 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11020 * tree-complex.c (pass_lower_complex): Update SMT usage.
11022 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
11024 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11025 Add a new alternative to the constraint strings. Add move of
11026 operand 1 to 3 to the splitter definition.
11027 ("doloop_si_long"): Second contraint alternative removed.
11029 2006-06-08 Anatoly Sokolov <aesok@post.ru>
11031 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11032 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11034 (AVR_HAVE_MOVW) Define.
11035 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11036 (ASM_SPEC): Add avr25.
11037 (LINK_SPEC): Add avr25.
11038 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11039 (base_arch_s): Add new member 'have_movw_lpmx'.
11040 (avr_arch_types): Init 'have_movw_lpmx'.
11041 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11042 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11043 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11044 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11045 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11047 (avr_file_start): Do not output '.arh' derective.
11048 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11049 (__do_copy_data): Use __AVR_HAVE_LPMX__.
11050 * config/avr/avr.md (mcu_enhanced): Delete.
11051 (mcu_have_movw): Define.
11052 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11053 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11054 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11055 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11056 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11057 attiny861 and at86rf401 devices.
11059 2006-06-18 Jie Zhang <jie.zhang@analog.com>
11061 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11064 2006-06-17 Karl Berry <karl@gnu.org>
11066 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11067 doc/gccint.texi, doc/install.texi (@dircategory): Use
11068 "Software development" instead of "Programming", following
11069 the Free Software Directory.
11071 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
11073 * config/i386/i386.c (legitimate_tls_address)
11074 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11075 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11076 (*tls_dynamic_gnu2_combine_64): Likewise.
11078 2006-06-16 Richard Guenther <rguenther@suse.de>
11080 PR middle-end/27116
11081 * fold-const.c (negate_expr_p): Do not introduce undefined
11082 overflow in negating INTEGER_CSTs.
11083 (fold_negate_expr): Rename from negate_expr. Revert last
11084 change for folding BIT_NOT_EXPR. Change semantics to
11085 return NULL_TREE for non-simplified negations. Do not
11086 strip type conversions and unify type handling.
11087 (negate_expr): New function, wrap around fold_negate_expr
11088 but ensure building a tree always. Strip type conversions
11089 here, fold to result type.
11090 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11092 2006-06-16 Roger Sayle <roger@eyesopen.com>
11094 PR middle-end/27802
11095 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11096 that (would) return their results in stack registers.
11098 2006-06-16 Michael Matz <matz@suse.de>
11099 Richard Guenther <rguenther@suse.de>
11101 * fold-const.c (fold_truthop): Only return new tree node if
11102 we canonicalized something.
11104 2006-06-16 Richard Guenther <rguenther@suse.de>
11106 * function.h (enum function_frequency): Move declaration
11107 out of struct function.
11108 (struct function): Move bool fields and the enum to the bitfield
11109 section. Reorder elements to avoid padding. Remove unused
11110 fields left over from the RTL inliner removal.
11111 * function.c (free_after_compilation): Do not zero removed fields.
11112 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11113 (ipa-type-escape.o): Likewise.
11115 2006-06-16 Richard Guenther <rguenther@suse.de>
11117 * cgraph.h (struct cgraph_local_info): Turn bool elements
11119 (struct cgraph_node): Likewise.
11120 (struct cgraph_varpool_node): Likewise.
11122 2006-06-15 Richard Guenther <rguenther@suse.de>
11124 * fold-const.c (fold_truth_not_expr): Rename from
11125 invert_truthvalue. Give it fold_* semantics to avoid
11126 generating garbage.
11127 (invert_truthvalue): New function. Wrapper around
11128 fold_truth_not_expr.
11129 (optimize_minmax_comparison): Avoid creating garbage.
11130 (fold_unary): Use fold_truth_not_expr for folding
11132 (fold_ternary): Replace uses of invert_truthvalue with
11133 fold_truth_not_expr where applicable.
11134 * tree.h (fold_truth_not_expr): Prototype.
11136 2006-06-16 Richard Guenther <rguenther@suse.de>
11138 PR tree-optimization/27781
11139 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11140 * ipa-pure-const.c (target.h): Include.
11141 (analyze_function): Do not analyze functions that do not
11144 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11146 PR middle-end/27793
11147 * tree-dfa.c (referenced_vars_dup_list): Remove.
11148 (find_referenced_vars): Remove assert.
11149 (referenced_var_check_and_insert): Replace dup list with assert.
11150 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11151 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11153 2006-06-15 Richard Guenther <rguenther@suse.de>
11155 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11156 extra unused identifiers if not dumping.
11157 (create_variable_info_for): Likewise.
11159 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11161 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11162 (derive_constant_upper_bound): Derive more precise upper bound in
11163 common cases. Return type changed to double_int.
11164 (record_estimate): Reflect the changed return type of
11165 derive_constant_upper_bound.
11166 * double-int.c (double_int_zext, double_int_sext): Fix.
11168 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11170 * configure.ac (CFLAGS): Get them from the toplevel or from the
11171 configure invocation.
11172 * configure: Regenerate.
11173 * Makefile.in (CFLAGS): Substitute value provided by configure.
11175 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11178 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11179 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11180 rather than calling add_stmt on it.
11181 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11183 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11185 PR middle-end/27959
11186 * reload1.c (reload): Remove registers returned by update_eliminables
11187 from used_spill_regs.
11189 2006-06-13 DJ Delorie <dj@redhat.com>
11191 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11193 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11195 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11196 html__strip_dir, html__mkdir_p. Enhance install-html target.
11197 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11198 * configure: Regenerate.
11200 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11202 * fold-const.c (fold_cond_expr_with_comparison): Check for
11203 Objective-C++ as language in deciding COND_EXPR transformation.
11205 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11208 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11209 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11210 * config/sh/lib1funcs.h (SL, SL1): Define.
11211 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11212 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11213 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11214 (OBJS_Os_4_200): New variable.
11215 ($(T)libgcc-Os-4-200.a): Use it.
11216 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11217 when dividing 1 and/or by 0.
11219 2006-06-13 Roger Sayle <roger@eyesopen.com>
11221 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11222 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11223 * configure: Regenerate.
11225 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11227 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11228 for real instruction.
11230 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11232 PR middle-end/26807
11233 * haifa-sched.c (check_cfg): Handle special case.
11235 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11238 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11239 Add debug_info parameter. Chain the vars to the BLOCK instead
11240 of the BIND_EXPR if debug info are requested for them.
11241 (pop_gimplify_context): Adjust for above change.
11242 (gimple_add_tmp_var): Likewise.
11243 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11244 Add bool parameter.
11245 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11246 (convert_local_reference): Likewise.
11247 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11248 (finalize_nesting_tree_1): Request that debug info be emitted
11249 for debug_var_chain.
11251 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11253 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11254 for PR target/27863.
11256 2006-06-13 Richard Guenther <rguenther@suse.de>
11258 PR middle-end/27536
11259 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11261 2006-06-13 Richard Guenther <rguenther@suse.de>
11263 PR tree-optimization/27830
11264 * tree-inline.c (copy_body_r): For copying the operand
11265 of an ADDR_EXPR make sure to fold &* afterwards.
11267 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11269 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11270 lvalues in the fb_none case with side-effects.
11272 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11274 * tree-flow.h: Remove the prototype for
11275 compute_phi_arg_on_exit.
11276 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11277 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11280 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11282 * builtins.c (expand_builtin_return_addr): Only use
11283 frame_pointer_rtx when count == 0 and we are expanding
11284 __builtin_return_address.
11286 2006-06-12 Fred Fish <fnf@specifix.com>
11288 * config/mips/mips.c (mips_file_start): Create special section
11289 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11291 2006-06-11 Eric Christopher <echristo@apple.com>
11293 PR middle-end/27948
11294 * stor-layout.c (place_field): Remove check for
11295 remaining_in_alignment when aligning at the end of a run.
11297 2006-06-11 Eric Christopher <echristo@apple.com>
11300 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11303 2006-06-11 Roger Sayle <roger@eyesopen.com>
11306 Revert incorrect fix for PR target/27158
11307 2006-05-08 Roger Sayle <roger@eyesopen.com>
11308 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11309 of a reg_equiv_constant if the result is a legitimate constant.
11311 2006-06-11 Roger Sayle <roger@eyesopen.com>
11314 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11315 extract a CONST_VECTOR element and interpret it as an integer.
11316 (vspltis_constant): Use const_vector_elt_as_int instead of the
11317 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11318 * config/rs6000/predicates.md (easy_vector_const): Consider
11319 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11321 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11323 PR middle-end/27942
11324 * stor-layout.c (update_alignment_for_field): Don't add extra
11325 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11328 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11330 * config/mips/t-rtems: Add EL/EB multilib variants.
11332 2006-06-09 Mike Stump <mrs@apple.com>
11334 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11336 2006-06-09 David Daney <ddaney@avtrex.com>
11338 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11340 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11342 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11344 2006-06-09 Richard Guenther <rguenther@suse.de>
11346 PR tree-optimization/26998
11347 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11348 of signed types, only TYPE_MIN_VALUE is special, but for both,
11349 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11350 in this case, as is -fwrapv.
11352 2006-06-08 Mike Stump <mrs@apple.com>
11355 * config/darwin.c (darwin_asm_output_anchor): Disable
11356 -fsection-anchors on darwin for now.
11357 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11358 * rs6000/rs6000.c (optimization_options): Likewise.
11360 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11363 * config/i386/i386.c (classify_argument): Skip fields with invalid
11366 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11368 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11369 (cse_insn): Likewise for the stack_pointer_rtx.
11371 2006-06-08 Roger Sayle <roger@eyesopen.com>
11373 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11374 conditions from floating point comparisons.
11376 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11378 PR middle-end/27733
11379 * expmed.c (struct alg_hash_entry): Fix type of field T
11380 to match synth_mult argument.
11381 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11383 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11386 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11389 2006-06-08 Richard Guenther <rguenther@suse.de>
11391 PR middle-end/27116
11392 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11393 only, if overflow is defined and not trapping.
11394 (negate_expr): Likewise.
11396 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11398 PR tree-optimization/27872
11399 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11400 flag on the new exit edge of the unrolled loop.
11402 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11404 PR rtl-optimization/26449
11405 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11407 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11409 PR middle-end/27793
11410 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11411 referenced_variables with matching DECL_UID's.
11412 (find_referenced_vars): Make sure duplicate list is empty to start.
11413 (referenced_var_p): Remove.
11414 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11415 Check if var is in the list, and add if needed. Update the duplicate
11416 list if a different var is in the list with the same DECL_UID.
11417 (add_referenced_var): Call routine to check and insert.
11418 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11419 * tree-flow.h (referenced_vars_dup_list): External declaration.
11421 2006-06-07 Fred Fish <fnf@specifix.com>
11423 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11426 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11429 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11430 the imaginary and real parts of a clobbered register.
11431 Emit insn to set the imaginary part.
11433 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11435 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11436 in lieu of unwind-dw2-fde.c.
11438 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11440 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11442 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11445 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11446 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11447 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11448 V4SImode temporaries and operations instead.
11450 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11452 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11455 2006-06-06 Mike Stump <mrs@apple.com>
11457 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11458 installing during build.
11460 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11462 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11464 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11465 * config/ia64/ia64.c (params.h): New header.
11466 (ia64_optimization_options): New function to adjust parameters.
11467 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11468 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11469 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11471 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11473 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11475 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11478 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11480 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11481 Victor Kaplansky <victork@il.ibm.com>
11483 PR tree-optimization/26360
11484 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11487 2006-06-04 Roger Sayle <roger@eyesopen.com>
11488 Andrew Pinski <pinskia@physics.uc.edu>
11490 PR middle-end/27382
11491 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11492 for LABEL_DECL before calling DECL_WEAK.
11495 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11496 LABEL_DECL and PARM_DECL.
11498 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11502 * c-decl.c (grokdeclarator): Disallow variably modified types at
11503 file scope. Avoid marking shared array type of constant size as
11506 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11509 * c-common.c (fold_offsetof_1): Handle static members.
11511 2006-06-04 Eric Christopher <echristo@apple.com>
11513 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11514 (debug_rli): Output value for remaining_in_alignment.
11515 (update_alignment_for_field): Unconditionalize
11516 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11517 extra alignment code.
11518 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11519 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11520 * tree.h (record_layout_info_s): Remove prev_packed.
11521 * doc/extend.texi (ms_struct): Add documentation of format.
11523 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11525 * tree.h: Declare folding_initializer.
11526 * builtins.c (fold_builtin_constant_p): Give definite answer
11527 if folding inside an initializer.
11528 * fold-const.c: Define folding_initializer.
11529 (START_FOLD_INIT): Save and then set folding_initializer.
11530 (END_FOLD_INIT): Restore folding_initializer.
11532 2006-06-04 Richard Guenther <rguenther@suse.de>
11534 PR tree-optimization/27039
11535 * fold-const.c (fold_comparison): Handle pointer comparison
11536 again for all comparison codes. Compare offsets in signed
11538 (fold_binary): Move code from here.
11540 2006-06-03 Roger Sayle <roger@eyesopen.com>
11543 * config/i386/i386.c (construct_container): Split static issued_error
11544 flag into issued_sse_arg_error, issued_sse_ret_error and
11545 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11546 requires the use of x87 registers and the user explicitly
11547 specified the -mno-80387 command line option.
11549 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11551 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11552 HAVE_DECL_SIGALTSTACK.
11554 (segv_handler): Use MC_FLD.
11555 * configure.ac: Check for a sigaltstack declaration.
11556 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11557 * configure: Regenerate.
11558 * config.in: Regenerate.
11560 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11563 * Makefile.in (stmp-fixinc): Fix typo.
11565 2006-06-02 Roger Sayle <roger@eyesopen.com>
11567 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11568 are type correct. Clean-up.
11569 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11570 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11572 2006-06-01 DJ Delorie <dj@redhat.com>
11574 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11575 shift, as we've disabled the "switch" insn that needs it.
11577 2006-06-01 Per Bothner <bothner@bothner.com>
11579 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11580 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11581 * c-ppoutput.c (cb_define): Don't increment line 0.
11583 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11585 * doc/invoke.texi: Add cpu_type power6.
11586 * config.gcc: Add cpu_type power6.
11587 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11588 to power5+ with Altivec.
11589 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11590 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11592 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11594 * config/avr/avr.h (SET_ASM_OP): Define.
11596 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11598 * config/bfin/bfin.c: Fix comment typos.
11600 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11603 * doc/install.texi: Document --enable-bootstrap and
11604 --disable-bootstrap.
11606 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11608 * doc/install.texi: Document that InfoZIP can replace jar.
11610 2006-05-31 Roger Sayle <roger@eyesopen.com>
11612 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11613 isn't available, directly generate the simpler x87 patterns without
11614 the (use (const_int 0)).
11615 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11616 implementation isn't available.
11617 (*negdf2_1): Likewise.
11618 (*negxf2_1): XF mode negation is always done using the x87.
11619 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11621 2006-05-31 Roger Sayle <roger@eyesopen.com>
11623 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11624 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11626 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11628 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11630 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11631 * config/bfin/bfin.c (basic-block.h): Include.
11632 (struct machine_function): New.
11633 (bfin_init_machine_status): New.
11634 (override_options): Initialize init_machine_status.
11635 (bfin_hardware_loop): New.
11636 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11637 (DEF_VEC_P (loop_info)): New.
11638 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11639 (struct loop_info): New.
11640 (loop_info): New typedef.
11641 (struct loop_work): New.
11642 (loop_work): New typedef.
11643 (DEF_VEC_O (loop_work)): New.
11644 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11645 (bfin_dump_loops): New.
11646 (bfin_bb_in_loop): New.
11647 (bfin_scan_loop): New.
11648 (bfin_optimize_loop): New.
11649 (bfin_reorg_loops): New.
11650 (bfin_reorg): Use bfin_reorg_loops.
11651 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11653 (I_REGNO_P): Simplify.
11654 (DP_REGNO_P, DPREG_P): New macros.
11655 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11656 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11657 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11658 Add LT_REGS, LC_REGS, LB_REGS.
11659 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11661 (REGNO_REG_CLASS): Deal with loop registers.
11662 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11664 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11665 New constants for loop registers.
11666 (UNSPEC_LSETUP_END): New.
11667 (seq_insns): New define_attr. Set it for appropriate insns.
11668 (movsi_insn): Add alternatives for move from/to
11669 loop count registers.
11670 (doloop_end): New define_expand.
11671 (loop_end): New define_insn.
11672 (define_split for bad doloop_end): New.
11673 (lsetup_with_autoinit): New define_insn.
11674 (lsetup_without_autoinit): New define_insn.
11675 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11676 * config/bfin/predicates.md (lc_register_operand): New.
11677 (lt_register_operand): New.
11678 (lb_register_operand): New.
11679 (nondp_register_operand): New.
11680 (nondp_reg_or_memory_operand): New.
11681 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11683 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11685 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11686 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11688 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11690 * Makefile.in (CATALOGS): Add po/ prefix.
11691 * configure: Regenerated.
11693 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11696 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11697 a shift operand before calling shift_op. Avoid redundant call of
11700 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11701 DJ Delorie <dj@redhat.com>
11703 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11704 we're inserting is a singlt-bit constant.
11706 2006-05-30 Roger Sayle <roger@eyesopen.com>
11708 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11709 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11711 2006-05-30 Roger Sayle <roger@eyesopen.com>
11713 PR tree-optimization/23452
11714 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11715 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11716 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11717 complex values and with -ffast-math for FP complex values.
11719 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11721 * c-common.h: Remove the prototype for yyparse.
11722 * rtl.h: Remove the prototype for init_loop.
11724 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11726 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11729 2006-05-30 Roger Sayle <roger@eyesopen.com>
11731 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11733 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11734 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11736 2006-05-30 Dirk Mueller <dmueller@suse.de>
11739 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11740 for CONSTANT_CLASS_P expresisons.
11742 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11745 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11747 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11749 PR tree-optimization/27779
11750 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11751 initial_condition instead of CHREC_LEFT.
11753 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11755 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11756 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11757 Make prototypes ISO C90.
11759 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11760 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11762 * see.c (see_analyze_one_def): Correct check.
11763 (see_get_extension_data): Check if extension is parallel.
11764 (see_get_extension_reg): Likewise.
11766 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11769 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11770 into register for (code == GTU).
11772 2006-05-29 Roger Sayle <roger@eyesopen.com>
11774 PR tree-optimization/24964
11775 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11776 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11777 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11778 abs(x)*abs(x) as x*x for scalar floating point modes.
11780 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11782 PR middle-end/27745
11783 * lambda-code.c (perfect_nestify): Don't copy statements
11784 in the inner loop: move them to the inner loop header.
11786 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11789 * c-tree.texi: Document OpenMP directives and clauses.
11791 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11793 * varasm.c (globalize_decl): Fix indentation.
11795 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11798 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11799 pass_fre, pass_store_ccp, pass_copy_prop,
11800 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11801 pass_return_slot, pass_object_size, pass_lim,
11802 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11803 pass_loop_prefetch and pass_stdarg.
11805 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11807 * config/bfin/bfin.opt (mfdpic): New option.
11808 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11809 (EXTRA_MULTILIB_PARTS): Likewise.
11810 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11811 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11813 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11814 (CRT_CALL_STATIC_FUNCTION): New.
11815 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11817 (CRT_CALL_STATIC_FUNCTION): New.
11818 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11820 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11821 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11822 (initialize_trampoline): Changed to handle FD-PIC code generation.
11823 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11824 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11825 (override_options): Disallow -mid-shared-library -mfdpic combination.
11826 Can't do unaligned ops if FD-PIC.
11827 Turn off flag_pic if trying to generate non-id-shared-library
11828 non-fdpic code, since it's not supported.
11829 (bfin_assemble_integer): New function.
11830 (TARGET_ASM_INTEGER): Define.
11831 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11833 * config/bfin/crtn.s: Restore them.
11834 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11836 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11837 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11838 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11839 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11840 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11842 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11843 FDPIC_REGS and FDPIC_FPTR_REGS.
11844 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11845 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11846 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11847 (load_funcdescsi): New pattern.
11848 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11849 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11850 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11852 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11854 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11857 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11859 * tree-flow.h: Remove the prototype for add_type_alias.
11860 * tree-ssa-alias.c (add_type_alias): Remove.
11862 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11864 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11865 config/fr30/fr30.md, config/i386/i386-interix.h,
11866 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11867 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11868 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11869 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11870 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11871 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11872 Follow spelling conventions.
11873 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11874 Follow spelling conventions.
11876 2006-05-27 Richard Guenther <rguenther@suse.de>
11878 PR middle-end/27773
11879 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11880 to produce a constant of value 1 of generic type.
11882 2006-05-27 Dirk Mueller <dmueller@suse.de>
11884 * cgraphunit.c (decide_is_function_needed): Fix wrong
11887 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11889 PR rtl-optimization/27661
11890 * reload.c (find_reloads): When reloading a VOIDmode constant
11891 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11892 use Pmode as mode of the reload register.
11894 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11896 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11897 is enabled at -O and above.
11899 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11902 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11905 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11908 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11909 for anonymous variables explicitly declared by front ends.
11911 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11913 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11914 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11915 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11916 ref-all pointers, run a finalization pass for them.
11917 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11918 (finalize_ref_all_pointers): New function.
11919 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11920 regular pointer type to a ref-all pointer type.
11921 (get_tmt_for): Return the special memory tag for ref-all pointers.
11923 2006-05-25 Richard Guenther <rguenther@suse.de>
11925 PR middle-end/27743
11926 * fold-const.c (fold_binary): Do not look at the stripped
11927 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11929 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11931 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11932 for LT and GT if the computed range is effectively empty.
11934 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11937 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11938 mips_quad_format formats instead of ieee_single_format,
11939 ieee_double_format and ieee_quad_format formats, respectively.
11941 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11943 PR tree-optimization/27639
11944 PR tree-optimization/26719
11945 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11946 call to scev_probably_wraps_p.
11947 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11948 used_in_pointer_arithmetic_p, convert_step): Removed.
11949 (nowrap_type_p): New function.
11950 (scev_probably_wraps_p): Rewritten.
11951 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11952 chrec_convert if chrec_convert_aggressive might have been used.
11953 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11954 scev_direction): New functions.
11955 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11956 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11957 instead of convert_step.
11958 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11959 (convert_step): Declaration removed.
11960 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11962 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11964 * df-core.c: Added to header comments.
11965 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11966 df_ur_bb_info, df_urec_bb_info): Added comments.
11967 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11968 urec, ri problems): Fixed header comments.
11969 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11970 code from df_rd_transfer_function.
11972 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11974 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11975 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11976 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11978 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11980 * expr.c (undefined_operand_subword_p): New.
11981 (emit_move_multi_word): Do not generate move from undefined bits
11982 of a paradoxical subreg.
11984 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11986 PR rtl-optimization/27736
11987 * combine.c (replaced_rhs_value): New variable.
11988 (combine_instructions): Set it.
11989 (distribute_notes): When distributing a note in replaced_rhs_insn,
11990 check whether the value was used in replaced_rhs_value.
11992 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11995 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11996 add_referenced_var instead of add_referenced_tmp_var.
11997 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11998 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11999 add_referenced_var.
12000 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12001 tree_optimize_tail_calls_1): Use add_referenced_var.
12002 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12003 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12004 Use add_referenced_var.
12005 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12006 * gimplify.c (force_gimple_operand): Use add_referenced_var.
12007 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12008 Use add_referenced_var.
12009 * tree-dfa.c (struct walk_state): Remove.
12010 (find_referenced_vars): Remove walk state and vars_found hash table.
12011 (make_rename_temp): Use add_referenced_var.
12012 (find_vars_r): Pass less parameters to add_referenced_var.
12013 (referenced_var_p): New. Is var in referenced_var hash table.
12014 (referenced_var_insert): Assert var isn't already in hash table.
12015 (add_referenced_var): Don't need walk_state parameter. Add var if it
12016 isn't already in the hash table.
12017 (add_referenced_tmp_var): Remove.
12018 (find_new_referenced_vars_1): Use add_referenced_var.
12019 * tree-ssa-pre.c (create_expression_by_pieces,
12020 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12021 Use add_referenced_var.
12022 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12023 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12024 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12025 add_referenced_var.
12026 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12027 vect_create_data_ref_ptr, vect_create_destination_var,
12028 vect_init_vector, vect_build_loop_niters,
12029 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12030 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12031 Use add_referenced_var.
12032 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12033 * tree-flow.h (add_referenced_tmp_var): Remove prototype
12034 (add_referenced_var): Add prototype.
12035 * tree-ssa-structalias.c (get_constraint_for,
12036 intra_create_variable_infos): Use add_referenced_var.
12038 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
12040 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12041 big-endian paradoxical subregs.
12042 * var-tracking.c (struct micro_operation_def): Document that,
12043 for modify micro operations, insn is the subsequent instruction.
12044 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12045 (var_reg_set, var_mem_set): ... new functions.
12046 (add_stores): Record subsequent insn.
12047 (compute_bb_dataflow): Use new functions for MO_USE.
12048 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
12049 notes after the insn, and modify notes before the insn known
12050 to be the subsequent one.
12051 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12053 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
12056 * config/i386/i386.c (ix86_expand_builtin): Use
12057 gen_sse3_monitor64 for TARGET_64BIT.
12059 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
12061 PR rtl-optimization/26375
12062 PR rtl-optimization/26855
12063 * df-problems (df_ru_bb_local_compute_process_def): Removed update
12065 (df_ru_bb_local_compute): Reversed statements and removed bogus
12066 comment explaining why they should be in wrong order.
12067 (df_ru_dump, df_rd_dump): Enhanced debug info.
12068 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12070 * ddg.c (add_deps_for_def): Converted use of reaching defs to
12071 reaching uses and fixed space problem.
12073 2006-05-23 Jan Hubicka <jh@suse.cz>
12075 * cgraphunit.c (decide_is_function_needed): Also nested functions
12076 and functions declared inline can be optimized out at -O0.
12078 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
12080 * doc/install.texi (Configuration): Remove reference to CrossGCC
12081 FAQ which was gone.
12084 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12087 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12088 ix86_compare_emitted is non-NULL.
12090 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12093 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12096 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12098 PR rtl-optimization/25514
12099 * combine.c (replaced_rhs_insn): New variable.
12100 (combine_instructions): Set replaced_rhs_insn when trying to replace
12101 a SET_SRC with a REG_EQUAL note.
12102 (distribute_notes): Use replaced_rhs_insn when determining the live
12103 range of a REG_DEAD register.
12105 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12106 Anatoly Sokolov <aesok@post.ru>
12108 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12109 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12110 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12111 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12112 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12113 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12114 at90usb647, at90usb1286 and at90usb1287 devices.
12115 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12116 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12118 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12120 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12122 2006-05-22 Richard Guenther <rguenther@suse.de>
12125 2006-01-31 Richard Guenther <rguenther@suse.de>
12126 Paolo Bonzini <bonzini@gnu.org>
12128 * doc/install.texi (--disable-libgcc-math): Document.
12130 2006-05-22 Richard Guenther <rguenther@suse.de>
12133 2006-01-31 Richard Guenther <rguenther@suse.de>
12135 * doc/invoke.texi (-msselibm): Document.
12136 * target.h (expand_library_builtin): New target hook.
12137 * builtins.c (expand_builtin): Use expand_library_builtin.
12138 (default_expand_library_builtin): New function.
12139 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12140 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12141 (link_gcc_math_spec): Declare.
12142 (static_specs): Add link_gcc_math_spec.
12143 * expr.h (default_expand_library_builtin): Declare.
12144 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12145 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12146 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12147 * config/i386/i386.opt (msselibm): New target option.
12148 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12149 (ix86_init_sse_abi_builtins): New function.
12150 (ix86_expand_library_builtin): Likewise.
12151 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12152 (override_options): Handle error conditions wrt -msselibm.
12153 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12154 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12155 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12158 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12161 * c-common.c (self_promoting_args_p): Skip erroneous args.
12164 * c-decl.c (finish_struct): Skip erroneous fields.
12166 2006-05-22 Nick Clifton <nickc@redhat.com>
12168 * config/cris/cris.opt (march): Remove VarExists attribute.
12169 (max-stackframe=): Likewise.
12171 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12173 * doc/rtl.texi: Fix a typo.
12174 * see.c: Fix comment typos.
12176 * tree-ssa-structalias.h (alias_info): Remove num_references.
12178 2006-05-21 Mike Stump <mrs@apple.com>
12180 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12182 (darwin_pragma_options): Use BAD instead.
12183 (darwin_pragma_unused): Likewise.
12184 (darwin_pragma_ms_struct): Likewise.
12186 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12188 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12190 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12192 PR rtl-optimization/27671
12193 * simplify-rtx.c (simplify_relational_operation_1): Fix
12194 simplifications of (eq/ne (xor x y) y) and
12195 (eq/ne (xor x y) x).
12197 PR tree-optimization/26622.
12198 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12201 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12203 * tree-cfg.c: Prune whitespace.
12204 (debug_tree_cfg): Point to correct header containing the
12207 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12209 PR middle-end/25776
12210 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12212 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12214 PR middle-end/25776
12215 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12216 or sorry count is non zero.
12218 2006-05-20 Andreas Schwab <schwab@suse.de>
12220 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12222 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12223 Kenneth Zadeck <zadeck@naturalbridge.com>
12225 PR rtl-optimization/26855
12227 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12229 (df_scan_alloc): Added code to properly handle multiword hard
12230 registers and add all_blocks parameter.
12231 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12232 code to properly handle multiword hard registers.
12233 (df_rescan_blocks): Added code to remove deleted blocks from
12235 (df_ref_create_structure, df_ref_record): Added code to properly
12237 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12238 and set DF_REF_PARTIAL.
12239 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12240 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12241 (df_scan_add_problem): Added flags parameter.
12242 (df_ref_create_structure): Changed switching structure.
12243 (df_bb_refs_record): Fixed case where duplicate artificial refs
12244 were created. Changed location of flags.
12245 (df_record_entry_block_defs): Added code to make stack pointer
12246 live in entry block. Refined cases where frame pointer is needed.
12247 Changed location of flags.
12248 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12249 (df_set_state): Removed function.
12250 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12251 df_insn_create_insn_record, df_insn_refs_delete,
12252 df_ref_create_structure): Formatting changes.
12253 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12254 df_delete_basic_block): New function.
12255 (df_init): Changed location of flags.
12256 (df_add_problem): Added flags parameter and the way flags are
12258 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12259 debug_df_chain): Improved debugging output.
12260 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12261 (df_refs_chain_dump): Removed df parameter.
12262 (df_iterative_dataflow): Added consistency check.
12263 (df_prune_to_subcfg): Made public.
12264 (df_analyze_problem): Added blocks_to_init parameter and made
12266 (df_ref_record, df_bb_refs_record, df_mark_reg,
12267 df_record_exit_block_uses): Whitespace changes.
12268 (df_dump): Whitespace changes.
12269 * df.h: Some reordering to remove forward references.
12270 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12271 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12272 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12273 (dataflow.flags): New field.
12274 (df.flag): Deleted field.
12275 (df_alloc_function): Added additional bitmap parameter.
12276 (df_dependent_problem_function): New type.
12277 (df_problem.changeable_flags): New field.
12278 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12279 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12280 (df_mw_hardreg): New struct.
12281 (DF_INSN_UID_MWS): New macro.
12282 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12284 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12285 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12286 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12287 (df_set_state): Removed function.
12288 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12289 * df-problems.c (df_chain_dump): Removed df parameter.
12290 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12291 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12293 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12294 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12295 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12296 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12297 DF_REF_MUST_CLOBBER cases.
12298 (df_ru_bb_local_compute_process_def,
12299 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12300 df_lr_bb_local_compute, df_ur_bb_local_compute,
12301 df_chain_create_bb): Made subreg aware.
12302 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12303 df_lr_bb_local_compute, df_lr_bb_local_compute,
12304 df_chain_create_bb): Cleanup to use proper macros.
12305 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12306 code to fixup bitvectors.
12307 (df_ri_alloc): Cleared lifetime.
12308 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12309 df_create_unused_note): New function.
12310 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12311 REG_DEAD and REG_UNUSED notes as well as register information.
12312 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12313 df_chains_dump): Fixed crash if problem was never run.
12314 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12315 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12316 df_ri_add_problem): Processes flags in uniform manner.
12317 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12318 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12319 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12320 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12321 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12322 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12323 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12324 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12325 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12326 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12327 * see.c (see_initialize_data): Ditto.
12328 * final.c (rest_of_clean_state) Added regstack_completed.
12329 * rtl.h (regstack_completed): Ditto.
12330 * reg-stack.c (regstack_completed): Ditto.
12332 2006-05-19 Mike Stump <mrs@apple.com>
12334 * c-tree.h (default_conversion): Remove.
12335 * c-common.h (default_conversion): Add.
12337 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12339 * tree-vrp.c (valid_value_p): New function.
12340 (adjust_range_with_scev): Fail if the value of bound is not
12343 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12345 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12346 (mips_fallback_frame_state): Use syscall numbers to determine
12347 the appropriate li instruction for the current ABI. Only use
12348 __NR_sigreturn for o32.
12350 2006-05-19 Nicolas Setton <setton@adacore.com>
12352 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12353 * langhooks.c (lhd_dwarf_name): New function.
12354 * langhooks-def.h (lhd_dwarf_name): Declare.
12355 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12356 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12358 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12360 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12362 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12363 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12364 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12365 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12366 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12367 determine the size of Wtype, etc.
12368 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12369 (swfloatfuncs): New variable.
12370 (dwfloatfuncs): Likewise.
12371 (lib2funcs): Remove floating-point conversion functions from
12372 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12373 the set of conversion routines needed. Allow entries to specify
12374 an object name, filename and word size. Update users accordingly.
12375 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12376 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12380 2006-02-08 Roger Sayle <roger@eyesopen.com>
12383 * config/fixtfdi.c: New libgcc source file.
12384 * config/fixunstfdi.c: New source file.
12385 * config/floatditf.c: New source file.
12386 * config/floatunditf.c: New souce file.
12387 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12388 files above instead of config/mips/_tilib.c.
12389 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12391 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12393 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12394 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12396 2006-05-18 Mike Stump <mrs@apple.com>
12398 Fix up vla, vm and [*] sematics.
12404 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12405 (c_vla_unspec_p): Add.
12406 (c_vla_type_p): Add.
12407 * c-decl.c (struct c_scope): Add had_vla_unspec.
12408 (build_array_declarator): Add support for [*].
12409 (grokdeclarator): Likewise.
12410 (grokparms): Likewise.
12411 (get_parm_info): Likewise.
12412 * c-objc-common.c (c_vla_unspec_p): Likewise.
12413 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12414 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12415 typeof when argument is a variably modified type not inside sizeof or alignof.
12416 (c_parser_direct_declarator_inner): Propagate errors.
12417 (c_parser_sizeof_expression): Add support for [*].
12418 (c_parser_parms_declarator): Initialize had_vla_unspec.
12419 (c_parser_parms_list_declarator): Likewise.
12420 * c-typeck.c (c_vla_type_p): Add.
12421 (composite_type): Add support for vla compositing.
12422 (comptypes_internal): Add support for vla compatibility.
12423 (c_expr_sizeof_expr): Evaluate vla arguments.
12424 * tree.c (variably_modified_type_p): Update comment for [*].
12426 2006-05-18 Michael Matz <matz@suse.de>
12429 * config.host: Make assignments to host_xmake_file cumulative.
12430 * config.host (*-darwin*): Test $host, not $target.
12432 2006-05-12 Stuart Hastings <stuart@apple.com>
12434 * config/i386/i386.opt (-mstackrealign): New flag.
12435 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12436 (ix86_handle_cconv_attribute): Emit error when
12437 force_align_arg_pointer attribute collides with too many regparms.
12438 (ix86_function_regparm): Limit regparms when used with
12439 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12440 Support stack-realigning prologue in non-main functions. Emit
12441 warning for nested functions under -mstackrealign, emit error for
12442 nested functions with force_align_arg_pointer attribute.
12443 * doc/extend.texi (force_align_arg_pointer): Document it.
12444 * doc/invoke.texi (-mstackrealign): Document it.
12446 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12448 PR rtl-optimization/27477
12449 * combine.c (try_combine): Don't split a parallel consisting
12450 of two sets into two individual sets if both sets reference
12453 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12455 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12456 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12458 * doc/options.texi (VarExists): Updated.
12460 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12462 * unwind-dw2.c: Add declarations for uw_update_context and
12463 uw_frame_state_for.
12464 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12465 detected, advance frame state and context once to skip over stub.
12467 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12469 PR middle-end/20256
12470 PR middle-end/26435
12471 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12472 Call rewrite_into_loop_closed_ssa only when something changed.
12473 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12474 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12475 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12476 Test for perfect_nest_p here. Fix formating.
12477 (replace_uses_equiv_to_x_with_y): Fix formating.
12478 (stmt_uses_op): Removed.
12479 (can_convert_to_perfect_nest): Removed loopivs parameter.
12480 Complete the test by checking the scalar dependences.
12481 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12484 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12487 From Dan Kegel <dank@kegel.com>:
12488 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12490 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12492 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12493 if the element type is variably modified without recursing.
12495 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12497 PR middle-end/27332
12498 * tree-loop-linear.c (try_interchange_loops): Test for
12499 no data dependences.
12501 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12503 PR tree-optimization/27548
12504 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12505 range of ssa names that appear on abnormal edges.
12506 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12507 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12509 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12511 PR middle-end/27620
12512 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12514 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12516 PR middle-end/27415
12517 * tree.h (OMP_PARALLEL_COMBINED): Define.
12518 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12519 (new_omp_context): Add is_combined_parallel argument.
12520 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12521 new_omp_context caller.
12522 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12523 Adjust gimplify_scan_omp_clauses callers.
12524 (omp_is_private): Issue errors if iteration variable is firstprivate
12525 or reduction in the current context.
12526 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12527 on combined parallel workshare constructs.
12529 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12531 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12532 (gcc-options.o): New rule.
12534 * optc-gen.awk: Protect variables for gcc-options.o with
12535 #ifdef GCC_DRIVER/#endif.
12537 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12539 Fix PR tree-optimization/27373
12540 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12541 (forward_propagate_addr_expr): Update call.
12543 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12545 * doc/options.texi: Move the Negative option.
12547 2006-05-16 Richard Guenther <rguenther@suse.de>
12549 PR tree-optimization/22303
12550 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12552 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12553 ccp_fold did not simplify the statement.
12555 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12558 * Makefile.in (GCC_OBJS): New.
12559 (OBJS-common): Add opts-common.o.
12560 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12561 (cpp$(exeext)): Likewise.
12562 (gcc.o): Also depend on opts.h.
12563 (opts-common.o): New.
12565 * common.opt (gcoff): Add Negative(gdwarf-2).
12566 (gdwarf-2): Add Negative(gstabs).
12567 (gstabs): Add Negative(gstabs+).
12568 (gstabs+): Add Negative(gvms).
12569 (gvms): Add Negative(gxcoff).
12570 (gxcoff): Add Negative(gxcoff+).
12571 (gxcoff+): Add Negative(gcoff).
12572 * config/i386/i386.opt (m32): Add Negative(m64).
12573 (m64): Add Negative(m32).
12575 * doc/options.texi: Document the Negative option.
12577 * gcc.c: Include "opts.h".
12578 (main): Call prune_options after expandargv.
12580 * optc-gen.awk: Generate common declarations for all flag
12581 variables in options.c. Output the neg_index field.
12583 * opts.c (find_opt): Moved to ...
12584 * opts-common.c: Here. New file.
12586 * opts.h (cl_option): Add a neg_index field.
12588 (prune_options): Likewise.
12590 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12592 PR middle-end/27573
12593 * omp-low.c (expand_omp_parallel): Don't assert
12594 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12595 instead search for it.
12598 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12601 2006-05-16 Andreas Schwab <schwab@suse.de>
12603 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12606 2006-05-15 Roger Sayle <roger@eyesopen.com>
12609 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12610 integer constants other than zero are only legitimate on TARGET_64BIT.
12611 <CONST_VECTOR> Only zero vectors are legitimate.
12612 (ix86_cannot_force_const_mem): Integral and vector constants can
12613 always be put in the constant pool.
12615 2006-05-16 DJ Delorie <dj@redhat.com>
12617 * crtstuff.c (__dso_handle): Set section from
12618 TARGET_LBIGCC_SDATA_SECTION if defined.
12619 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12620 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12622 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12625 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12628 2006-05-16 Ben Elliston <bje@au.ibm.com>
12630 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12632 2006-05-15 Per Bothner <per@bothner.com>
12634 * tree.c: (last_annotated_node): Use source_locus typedef.
12635 This permits bootstrapping with --enable-mapped-location.
12637 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12639 PR tree-optimization/26830
12640 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12641 (info_for_ssa_name, current_info_for_ssa_name_age,
12642 blocks_to_update): New variables.
12643 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12644 (clear_ssa_name_info, initialize_flags_in_bb,
12645 mark_block_for_update): New functions.
12646 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12647 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12648 prepare_def_site_for): Use mark_block_for_update.
12649 (mark_def_interesting): Assert that the processed block is marked in
12650 blocks_to_update. Do not take blocks argument.
12651 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12653 (rewrite_update_init_block, rewrite_update_stmt): Only process
12654 blocks with statements to rewrite.
12655 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12656 (update_ssa): Initialize and free blocks_to_update. Do not
12657 clear flags on statements. Do not use blocks bitmap.
12658 * tree.h (SSA_NAME_AUX): Removed.
12659 (struct tree_ssa_name): Removed aux field.
12660 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12662 2006-05-15 Richard Guenther <rguenther@suse.de>
12664 PR tree-optimization/27603
12665 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12666 Do computations in original type.
12668 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12670 * see.c: Code style changes such as redundant paranthesis,
12671 redundant intialization of local variables etc.
12672 (see_main): Declared now as static.
12673 * doc/invoke.texi: Update that -fsee is not enabled by
12676 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12678 * omp-low.c (check_omp_nesting_restrictions): New function.
12679 (scan_omp_1): Call it.
12681 PR middle-end/27416
12682 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12683 construct, return *VAR.
12685 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12687 PR rtl-optimization/27406
12688 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12691 2006-05-14 Roger Sayle <roger@eyesopen.com>
12693 PR rtl-optimization/27538
12694 * combine.c (expand_compound_operation): Call gen_lowpart
12695 before calling simplify_shift_const.
12697 2006-05-14 Roger Sayle <roger@eyesopen.com>
12699 PR rtl-optimization/22563
12700 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12701 a fixed width bitfield, always force the intermediates into psuedos.
12703 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12706 * mkconfig.sh: Use operator = instead of == for test.
12708 2006-05-13 Nick Clifton <nickc@redhat.com>
12710 * dwarf2out.c (dbx_reg_number): Check return value from
12711 LEAF_REG_REMAP and only use it if it is valid.
12712 (multiple_reg_loc_descriptor): Likewise.
12714 2006-05-13 Richard Guenther <rguenther@suse.de>
12716 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12719 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12721 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12722 information attached to non-INSNs such as NOTEs.
12723 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12725 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12727 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12729 * config/s390/s390.md: Adjust comment describing On constraint.
12731 2006-05-11 Jan Hubicka <jh@suse.cz>
12733 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12734 to be output at -O0.
12736 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12738 PR middle-end/27384
12739 * fold-const.c (size_binop): Move sanity check for arguments to
12740 the beginning of the function.
12742 PR middle-end/27488
12743 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12746 2006-05-11 Richard Guenther <rguenther@suse.de>
12748 PR middle-end/27529
12749 * fold-const.c (fold_unary): Handle intermediate conversion
12750 to a pointer type like intermediate conversion to an integer
12751 type in folding of (T1)(T2)var to var.
12752 Match the code to the comment in the final conversion for
12753 (T1)(T2)var to (T1)var regarding to type precision. Rather
12754 than disallow T1 being of pointer type, assert that both T1
12755 and var are of pointer type or not. Make sure not to fall
12756 over the frontends lazyness wrt array to pointer decay though.
12758 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12760 * arm.c (arm_struct_value_rtx): Delete.
12761 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12762 (arm_init_cumulative_args): Always initialize nregs to zero.
12764 2006-05-10 Richard Guenther <rguenther@suse.de>
12766 PR tree-optimization/27532
12767 * tree-object-size.c (plus_expr_object_size): Fix typo.
12769 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12772 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12773 ashrdi_const, ashrdi3): Use a scratch register.
12775 2006-05-10 Richard Guenther <rguenther@suse.de>
12777 PR tree-optimization/27302
12778 * fold-const.c (operand_equal_p): For two comparisons,
12779 try comparison of one comparison code swapped if that yields
12782 2006-05-10 Ben Elliston <bje@au.ibm.com>
12784 * tree-pretty-print.c (pretty_print_string): No need to handle
12785 '\0' as a special character.
12787 * tree.h: Include "hashtab.h".
12788 (iterative_hash_expr): Use hashval_t in its prototype.
12789 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12791 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12794 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12795 (hppa*64*-*-hpux11*): Ditto.
12796 (hppa[12]*-*-hpux11*): Ditto.
12798 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12801 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12803 2006-05-09 Michael Matz <matz@suse.de>
12805 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12806 host_extra_gcc_objs and host_xmake_file.
12807 (<*-*-linux*>): Don't overwrite host_xmake_file.
12808 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12809 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12810 (host_detect_local_cpu): Declare.
12811 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12812 * config/i386/i386.c (override_options): Handle -mtune=native
12814 * config/i386/x-i386: New file.
12815 * config/i386/driver-i386.c: New file.
12816 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12819 2006-05-09 Dirk Mueller <dmueller@suse.de>
12820 Richard Guenther <rguenther@suse.de>
12822 PR middle-end/27498
12823 * fold-const.c (fold_read_from_constant_string): Relax check
12824 for matching types to matching modes.
12826 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12828 PR rtl-optimization/27335
12829 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12832 2006-05-08 Chao-ying Fu <fu@mips.com>
12833 Richard Sandiford <richard@codesourcery.com>
12835 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12836 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12837 * config/mips/mips.md (UNSPEC_SCC): New constant.
12838 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12839 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12840 (mips_emit_compare): Use it.
12841 (mips_expand_vcondv2sf): New function.
12843 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12845 Fix PR tree-optimization/27093
12846 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12847 renaming when they become not-used_alone.
12849 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12851 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12852 relocation and relocation stubs.
12854 2006-05-08 Eric Christopher <echristo@apple.com>
12856 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12859 2006-05-08 Jan Hubicka <jh@suse.cz>
12861 PR middle-end/24561
12862 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12863 unused static functions are needed.
12865 2006-05-08 Roger Sayle <roger@eyesopen.com>
12868 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12869 of a reg_equiv_constant if the result is a legitimate constant.
12871 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12874 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12875 standard 80387 constants, raise the cost to prevent
12876 compress_float_constant() to generate load from memory.
12878 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12880 * config/arm/constraints.md (c): Fix a typo.
12882 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12885 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12888 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12890 (_mm_mwait): Likewise.
12892 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12894 (sse3_monitor): Make it 32bit only.
12895 (sse3_monitor64): New. 64bit monitor.
12897 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12900 * config/i386/i386.c (classify_argument): Skip fields with invalid
12903 2006-05-07 Richard Guenther <rguenther@suse.de>
12905 PR tree-optimization/27409
12906 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12907 Do not try to find zero-sized subvars.
12909 2006-05-07 Richard Guenther <rguenther@suse.de>
12911 PR tree-optimization/27136
12912 * tree-ssa-loop-niter.c (get_val_for): Correct function
12913 comment, assert requirements.
12914 (loop_niter_by_eval): Stop processing if the iterated
12915 value did not simplify.
12917 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12919 * opts.c (flag_see): remove its setting at -O3.
12921 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12923 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12924 * arm/constraints.md: New file.
12925 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12926 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12927 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12928 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12929 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12930 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12931 * arm.md: Include constraints.md.
12932 (thumb_movsi_insn): Use satisfies_constraint_J.
12933 (movhi, movqi): Use satisfies_constraint_I.
12935 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12937 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12938 for atmeg a645 device.
12940 2006-05-06 Richard Guenther <rguenther@suse.de>
12942 PR tree-optimization/27151
12943 * tree-vect-transform.c (vectorizable_condition): Punt on
12944 values that have a different type than the condition.
12946 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12949 * c-parser.c (c_parser_cast_expression): Only insert casts into
12950 hash table if pointer.
12951 * function.c (used_types_insert_helper): Rename from
12953 (used_types_insert): Call used_types_insert_helper.
12954 * function.h (used_types_insert): Accept only one argument.
12956 2006-05-05 David Edelsohn <edesohn@gnu.org>
12958 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12959 scratch with output modifier.
12961 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12964 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12965 with output modifier.
12967 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12970 * config/mips/mips.c (mips_symbolic_address_p): Return true
12971 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12972 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12974 2006-05-04 Richard Guenther <rguenther@suse.de>
12976 PR tree-optimization/14287
12977 PR tree-optimization/14844
12978 PR tree-optimization/19792
12979 PR tree-optimization/21608
12980 PR tree-optimization/27090
12981 * tree-ssa-pre.c (try_combine_conversion): New function.
12982 (compute_avail): After constructing the value-handle
12983 expression, use try_combine_conversion to combine NOP_EXPRs
12984 with previous value-handle expressions and use the result if it
12987 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12989 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12991 2006-05-04 Jan Hubicka <jh@suse.cz>
12993 PR middle-end/25962
12994 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12996 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12998 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12999 that this only matches CONST_INTs. All users changed to VOIDmode
13002 * config/bfin/bfin.c: Include "optabs.h".
13003 (bfin_rtx_costs): Some costs for vector operations, to allow combine
13005 (enum bfin_builtins): Add a number of fractional and vector builtins.
13006 (bfin_init_builtins): Likewise.
13007 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13008 (safe_vector_operand, bfin_expand_binop_builtin,
13009 bfin_expand_unop_builtin): New functions.
13010 (bfin_expand_builtin): Handle the new builtins.
13011 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13014 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
13017 * Makefile.in (OBJS-common): Add see.o.
13018 (see.o): Add dependencies.
13019 * common.opt (fsee): New flag for the see optimization was added.
13020 * opts.c (flag_see): Initialized.
13021 * passes.c (init_optimization_passes, pass_see): New pass.
13022 * rtl.h (see_main): Declaration as extern.
13023 * timevar.def (TV_SEE): New.
13024 * tree-pass.h (pass_see): Declaration as extern.
13025 * invoke.texi (-fsee): Document.
13026 * recog.c (validate_simplify_insn): New function.
13027 * recog.h (validate_simplify_insn): Declaration as extern.
13028 * df-problems.c (df_chain_dump): Check for NULL.
13030 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
13031 Daniel Berlin <dberlin@dberlin.org>
13033 * cfgrtl.c (insert_insn_bb_end_new): New function.
13034 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13036 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
13038 * df.h (struct web_entry): Moved from web.c.
13039 (union_defs): Declaration as extern.
13040 (unionfind_root): Likewise.
13041 (unionfind_union): Likewise.
13042 * web.c (struct web_entry): Moved to df.h.
13043 (unionfind_root): Remove static declaration.
13044 (unionfind_union): Likewise.
13045 (union_defs): Likewise and generalize to use callback function.
13046 (web_main): Update arguments for union_defs function call.
13048 2006-05-04 Richard Guenther <rguenther@suse.de>
13050 PR tree-optimization/26447
13051 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13052 produce SSA_NAME copies before the store stmt to avoid
13053 breaking exception handling.
13055 2006-05-04 Jakub Jelinek <jakub@redhat.com>
13057 PR middle-end/27388
13058 * gimplify.c (omp_is_private): If var is shared in some outer context,
13059 return false instead of true. Stop searching on parallel context
13062 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
13065 * coverage.c: Use get_gcov_unsigned_t() instead of
13066 unsigned_type_node all over.
13068 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
13070 PR tree-optimization/27381
13071 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13072 maintain the same immediate_use links.
13073 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13074 node rather than segfaulting.
13076 2006-05-03 Jakub Jelinek <jakub@redhat.com>
13079 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13080 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
13081 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13083 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
13085 Fix PR tree-optimization/26626
13086 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13088 * tree-ssa-operands.c (access_can_touch_variable): Allow
13089 typecasting through union pointers.
13091 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13094 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13095 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13096 to find if var will be a global variable even in the nested context.
13097 (omp_copy_decl): Only check for global variable at the end, it might
13098 be overridden in outer contexts.
13099 (scan_sharing_clauses): For global variables don't create a field.
13100 (lower_rec_input_clauses): Do nothing for global shared variables.
13101 Emit a barrier at the end of ILIST if there were any decls in both
13102 firstprivate and lastprivate clauses.
13103 (lower_send_clauses): Do nothing for global variables except for
13106 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13108 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13109 of the correct signedness is returned.
13111 2006-05-02 Jeff Law <law@redhat.com>
13113 PR tree-optimization/27364
13114 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13115 multiply expressions.
13117 2006-05-02 Tom Tromey <tromey@redhat.com>
13119 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13121 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13124 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13125 -mthumb -fPIC are used.
13127 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13128 Joshua Kinard <kumba@gentoo.org>
13131 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13132 with 64-bit pointers.
13134 2006-05-02 Paul Brook <paul@codesourcery.com>
13136 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13138 (create_fix_barrier): Check that a suitable barrier location is
13140 (arm_reorg): Include ftmp->address in allowable range of addresses.
13142 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13145 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13148 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13150 PR middle-end/27337
13151 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13152 around RESULT_DECL for result passed by reference.
13153 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13154 * omp-low.c (use_pointer_for_field): Don't look at
13155 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13156 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13157 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13158 time or var for passing by reference for
13159 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13160 TREE_ADDRESSABLE variables when passing by reference.
13162 * omp-low.c (dump_omp_region): Fix output formatting.
13164 PR middle-end/27328
13165 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13166 (expand_omp_parallel): Likewise.
13167 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13169 PR middle-end/27325
13170 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13171 on statement list containing also constructors and destructors.
13172 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13174 PR middle-end/27310
13175 * except.c (duplicate_eh_regions): Fix clearing of
13176 cfun->eh->region_array entries.
13178 2006-05-01 DJ Delorie <dj@redhat.com>
13180 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13182 (gcc_cv_objdump): Likewise.
13183 * configure: Regenerated.
13185 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13188 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13189 templates for case 3 and 4.
13191 2006-05-01 DJ Delorie <dj@redhat.com>
13193 * vec.c: Include bconfig.h when appropriate.
13194 * Makefile.in (build/vec.o): Adjust dependencies.
13195 * mkconfig.sh: Make sure config.h isn't used for build machine
13198 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13200 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13202 (mark_phi_for_rewrite): New function.
13203 (insert_phi_nodes_for, mark_use_interesting): Call
13204 mark_phi_for_rewrite.
13205 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13206 (update_ssa): Initialize and free phis_to_rewrite.
13208 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13210 PR rtl-optimization/27291
13211 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13212 folded to a constant.
13214 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13216 PR tree-optimization/27283
13217 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13218 not whole # of iteration descriptions.
13219 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13220 uses abnormal ssa name.
13221 (niter_for_single_dom_exit): Ditto.
13222 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13223 return just the number of iterations.
13225 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13227 PR tree-optimization/27144
13228 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13229 (record_estimate): Only record constant upper bound.
13230 (infer_loop_bounds_from_undefined): Call
13231 compute_estimated_nb_iterations just once.
13232 (proved_non_wrapping_p): Renamed to ...
13233 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13234 (convert_step_widening, scev_probably_wraps_p): Call
13235 n_of_executions_at_most instead of proved_non_wrapping_p.
13236 (substitute_in_loop_info): Do not replace values in bounds.
13237 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13240 2006-05-01 Richard Henderson <rth@redhat.com>
13243 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13244 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13247 2006-05-01 Roger Sayle <roger@eyesopen.com>
13249 * c-typeck.c (parser_build_binary_op): Don't call the function
13250 unsigned_conversion_warning to spot operand/result type overflow.
13251 (build_binary_op): Instead, call convert_and_check instead of
13252 convert to report the problem when the operands are promoted.
13253 * c-common.c (unsigned_conversion_warning): Make static.
13254 * c-common.h (unsigned_conversion_warning): Delete prototype.
13256 2006-05-01 Richard Guenther <rguenther@suse.de>
13258 PR tree-optimization/26726
13259 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13261 (find_interesting_uses_address): ... we work around here
13262 by folding INDIRECT_REFs in the substituted base.
13264 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13266 * omp-low.c (dump_omp_region): Add newlines.
13268 2006-04-30 Roger Sayle <roger@eyesopen.com>
13270 * common.opt (Woverflow): New command line option.
13271 * c-common.c (constant_expression_warning): Check warn_overflow.
13272 (overflow_waring): Pass OPT_Woverflow to warning.
13273 (unsigned_conversion_warning): Likewise.
13274 (convert_and_check): Likewise.
13275 * doc/invoke.texi: Document new command line option.
13277 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13279 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13280 TARGET_NO_FP_IN_TOC for section anchors.
13281 (optimization_options): Enable section anchors for all
13282 non-"Objective" languages.
13284 2006-04-28 Eric Christopher <echristo@apple.com>
13286 * config/darwin-c.c (darwin_ms_struct): Move this
13287 (darwin_set_default_type_attributes): and this...
13288 * config/darwin.c: ... here.
13289 * config/darwin.h (darwin_ms_struct): Declare.
13291 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13293 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13295 2006-04-28 Roger Sayle <roger@eyesopen.com>
13298 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13299 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13300 an unsigned HOST_WIDE_INT.
13301 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13303 (really_start_incremental_init): No need to call convert because
13304 bitsize_zero_node is already of type bitsizetype.
13305 (push_init_level): Extract the value of constructor_index as an
13306 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13307 (process_init_element): Likewise.
13309 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13311 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13312 value before passing to make_relative_prefix.
13314 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13316 PR middle-end/27260
13317 * builtins.c (expand_builtin_memset): Expand val in original mode.
13319 2006-04-27 Eric Christopher <echristo@apple.com>
13321 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13322 with #ifndef/#endif.
13323 * config/darwin-c.c (darwin_ms_struct): New.
13324 (darwin_pragma_ms_struct): Ditto.
13325 (darwin_set_default_type_attributes): Ditto.
13326 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13327 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13328 Register ms_struct pragma.
13329 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13330 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13331 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13332 darwin_set_default_type_attributes if TARGET_MACHO.
13334 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13336 PR tree-optimization/26854
13337 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13338 * doc/tree-ssa.texi: Update immuse iterator documentation.
13339 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13340 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13341 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13342 first_safe_imm_use, next_safe_imm_use): Remove.
13343 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13344 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13345 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13346 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13347 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13348 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13349 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13350 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13351 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13352 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13353 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13354 (perfect_nestify): Use new iterator.
13355 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13357 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13358 (next_imm_name): New field in struct immediate_use_iterator_d.
13359 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13360 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13361 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13362 * tree-cfg.c (replace_uses_by): Use new iterator.
13363 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13364 * tree-ssa-operands.c (correct_use_link): Remove.
13365 (finalize_ssa_use_ops): No longer call correct_use_link.
13367 2006-04-27 Stuart Hastings <stuart@apple.com>
13369 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13370 * config/t-darwin (crt3.o): Use it.
13371 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13372 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13373 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13374 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13375 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13378 2006-04-27 Roger Sayle <roger@eyesopen.com>
13380 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13381 size, force the intermediate into a new pseudo rather instead of
13382 performing both a bitwise AND and a bitwise IOR in memory.
13384 2006-04-27 Richard Guenther <rguenther@suse.de>
13386 PR rtl-optimization/26685
13387 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13388 this one "max-flow-memory-locations".
13390 2006-04-27 Richard Guenther <rguenther@suse.de>
13392 PR tree-optimization/25148
13393 * tree-vrp.c (compare_values): Remove code dealing with
13394 comparisons against type min/max value. Honour overflow
13395 and negative constants in code dealing with comparisons
13396 of plus and minus expressions.
13397 (value_inside_range): Use fold_binary with LE_EXPR and
13398 GE_EXPR rather than compare_values.
13400 2006-04-27 Dirk Mueller <dmueller@suse.de>
13402 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13405 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13407 * basic-block.h (safe_insert_insn_on_edge): Removed.
13408 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13410 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13411 Paolo Bonzini <bonzini@gnu.org>
13413 PR middle-end/27282
13414 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13415 (simplify_and_const_int): Same.
13417 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13419 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13421 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13424 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13425 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13426 cgraph_global_info_ready.
13428 PR middle-end/26913
13429 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13432 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13433 either decl or init is error_mark_node.
13435 PR middle-end/25989
13436 * tree-flow.h (struct omp_region): Add sched_kind.
13437 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13438 instead of extracting omp for data.
13439 (expand_omp_for): Save extracted sched_kind.
13441 2006-04-25 Roger Sayle <roger@eyesopen.com>
13443 * expmed.c (store_bit_field): Also check whether the bitsize is
13444 valid for the machine's "insv" instruction before moving the
13445 target into a pseudo for use with the insv.
13446 * config/i386/predicates.md (const8_operand): New predicate.
13447 * config/i386/i386.md (extv, extzv, insv): Use the new
13448 const8_operand predicate where appropriate.
13450 2006-04-25 DJ Delorie <dj@redhat.com>
13452 * doc/install.texi (Specific): Clarify that this is not a list of
13453 supported hosts or targets.
13455 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13457 PR rtl-optimization/26725
13458 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13459 block's BB_DIRTY flag.
13461 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13463 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13466 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13467 to print an integer.
13469 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13471 * varasm.c (align_variable): New function.
13472 (get_block_for_decl): Apply align_variable to DECL before
13473 calculating section information.
13474 (assemble_variable): Split out alignment computation.
13476 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13478 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13481 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13483 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13484 MODE_PARTIAL_INT mode.
13485 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13486 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13488 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13489 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13491 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13493 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13495 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13496 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13497 MACFLAG_IH): Likewise.
13498 (movstricthi_1): Renamed from "*movstricthi".
13499 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13500 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13501 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13502 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13503 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13504 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13505 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13506 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13507 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13508 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13509 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13510 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13511 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13512 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13513 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13515 * doc/rtl.texi (ss_ashift): Improve wording.
13517 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13519 * dwarf2out.c (verify_marks_clear): New.
13520 (prune_unused_types): Call verify_marks_clear initially, not
13523 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13525 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13526 * doc/rtl.texi: Document them.
13527 * simplify-rtx.c (simplify_unary_operation,
13528 simplify_binary_operation_1): Don't abort when we see them.
13530 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13533 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13534 * configure.ac: Completely disregard languages that are not
13536 * configure: Regenerated.
13538 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13539 Richard Guenther <rguenther@suse.de>
13541 PR tree-optimization/27236
13542 * tree-inline.c (copy_body_r): Make sure to copy
13543 TREE_THIS_VOLATILE flag.
13545 2006-04-24 Richard Guenther <rguenther@suse.de>
13547 PR middle-end/26869
13548 * tree-complex.c (update_parameter_components): Don't handle
13549 unused parameters which have no default def.
13551 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13552 Richard Guenther <rguenther@suse.de>
13554 PR tree-optimization/27218
13555 * tree-inline.c (expand_call_inline): Strip useless type
13556 conversions for the return slot address.
13558 2006-04-24 Richard Guenther <rguenther@suse.de>
13560 * cfgloop.h (struct loops): Remove unused field array. Reorder
13562 (LOOP_PREFETCH): Remove.
13564 2006-04-24 Richard Guenther <rguenther@suse.de>
13566 PR tree-optimization/22525
13567 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13568 variable, adjust types of generated expressions.
13570 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13572 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13573 (tree-vect-patterns.o): Likewise.
13574 (jump.o): Likewise.
13575 (cselib.o): Likewise.
13576 (loop-doloop.o): Likewise.
13577 (regclass.o): Likewise.
13578 (reload1.o): Likewise.
13579 (explow.o): Replace target.h with $(TARGET_H).
13580 (ipa-prop.o): Likewise.
13581 (ipa-cp.o): Likewise.
13582 (ipa-inline.o): Likewise.
13583 (reorg.o): Likewise.
13584 (reg-stack.o): Likewise.
13586 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13588 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13590 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13592 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13594 * configure.ac: Completely disregard languages that are not
13596 * configure: Regenerated.
13599 * c-common.h (c_build_bitfield_integer_type): Declare.
13600 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13601 * c-common.c (c_build_bitfield_integer_type): ... here.
13603 2006-04-23 Roger Sayle <roger@eyesopen.com>
13606 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13607 a SImode SUBREG of a floating point register after no_new_pseudos.
13609 2006-04-23 Roger Sayle <roger@eyesopen.com>
13611 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13612 identify potentially eliminable registers to additionally catch
13613 VIRTUAL_INCOMING_ARGS_REGNUM.
13614 (addsi3): Update the conditions on when to use addsi_small_int.
13616 2006-04-23 Roger Sayle <roger@eyesopen.com>
13619 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13620 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13621 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13623 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13625 * fold-const.c (range_predecessor): Use operand_equal_p
13626 as the predicate for equality.
13627 (range_successor): Likewise.
13629 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13632 * config/soft-fp/op-common.h: Fix a typo.
13634 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13636 PR libmudflap/26864
13637 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13638 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13640 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13642 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13644 * doc/tm.texi: Fix a typo.
13646 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13648 * dwarf2out.c (struct die_struct): Document that die_sib makes
13649 a circular linked list.
13650 (FOR_EACH_CHILD): New.
13651 (reverse_die_lists): Delete.
13652 (reverse_all_dies): Delete.
13653 (add_dwarf_attr): Correct documentation.
13654 (remove_child_with_prev): New.
13655 (remove_child_TAG): Update for change to die_struct, use
13656 remove_child_with_prev.
13657 (add_child_die): Update for change to die_struct.
13658 (splice_child_die): Use remove_child_with_prev and add_child_die.
13659 (print_die): Use FOR_EACH_CHILD.
13660 (die_checksum): Likewise.
13661 (assign_symbol_names): Likewise.
13662 (output_location_lists): Likewise.
13663 (build_abbrev_table): Likewise.
13664 (calc_die_sizes): Likewise.
13665 (mark_dies): Likewise.
13666 (unmark_dies): Likewise.
13667 (unmark_all_dies): Likewise.
13668 (output_die): Likewise.
13669 (prune_unused_types_mark): Likewise.
13670 (prune_unused_types_walk): Likewise.
13671 (same_die_p): Update for change to die_struct.
13672 (break_out_includes): Likewise.
13673 (prune_unused_types_prune): Likewise.
13674 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13675 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13676 it's already clear.
13677 (dwarf2out_finish): Don't call reverse_all_dies.
13679 2006-04-21 Eric Christopher <echristo@apple.com>
13681 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13682 in comments and function names.
13684 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13687 * c-typeck.c (digest_init): Robustify.
13689 * c-typeck.c (pop_init_level): Simplify.
13691 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13693 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13695 2006-04-21 Paul Brook <paul@codesourcery.com>
13697 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13698 hardware floating point.
13700 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13702 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13705 2006-04-21 Nick Clifton <nickc@redhat.com>
13707 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13710 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13713 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13714 C++ lang type in traceback table for Objective-C++.
13716 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13718 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13720 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13722 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13725 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13726 were errors. Remove check for erroneous objects.
13728 2006-04-20 Jeff Law <law@redhat.com>
13730 PR tree-optimization/26854
13731 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13732 checking for zero or one use.
13733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13734 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13735 * tree-ssa-reassoc.c (negate_value): Similarly.
13736 (reassociate_bb): Similarly.
13738 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13741 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13742 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13743 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13745 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13747 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13748 fp regs if the last fp arg doesn't fit in regs.
13750 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13753 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13754 that the last insn has the REG_INC note.
13756 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13757 Nathan Sidwell <nathan@codesourcery.com>
13760 * stor-layout.c (update_alignment_for_field): Do not align
13762 (place_union_field): Place union field at the start of the union.
13763 (place_field): Move ERROR_MARK check later, and use the current
13764 allocation position to maintain monotonicity.
13766 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13768 * dominance.c: Include timevar.h.
13769 (calculate_dominance_info): Use TV_DOMINANCE.
13770 * timevar.def (TV_DOMINANCE): New timevar.
13771 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13773 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13775 PR rtl-optimization/14261
13776 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13777 move would be an INSV insn.
13778 (noce_process_if_block): Don't optimize if the destination is a
13779 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13781 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13783 * config/s390/s390.md: Add comments with the instructions emitted
13784 by an insn pattern if macros are used.
13786 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13788 PR rtl-optimization/26026
13789 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13790 is a known power of two shifted left a variable amount.
13792 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13794 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13795 to hash table twice when the debug_str section has SECTION_MERGE.
13797 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13799 * config/soft-fp: New directory. From glibc.
13800 * config/soft-fp/t-softfp: New.
13801 * config/soft-fp/README: New.
13802 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13803 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13804 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13805 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13806 * config.gcc: Use rs6000/t-fprules-fpbit or
13807 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13809 * config/rs6000/sfp-machine.h: New. Based on glibc.
13810 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13812 * config/rs6000/t-fprules: Remove fp-bit rules.
13813 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13814 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13815 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13816 (softfp_wrap_start, softfp_wrap_end): New.
13818 2006-04-18 DJ Delorie <dj@redhat.com>
13820 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13822 2006-04-18 Devang Patel <dpatel@apple.com>
13824 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13826 2006-04-18 Nick Clifton <nickc@redhat.com>
13828 * config/sh/t-symbian: Add rule to build sh-c.o
13829 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13830 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13831 (sh_symbian_encode_section_info): Likewise.
13833 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13835 * builtins.c (expand_builtin_strcmp): Cover label definition of
13836 do_libcall with HAVE_cmpstrnsi.
13838 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13840 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13842 * function.h (temp_slot_p): New.
13843 (function): Change the type of x_used_temp_slots to
13844 VEC(temp_slot_p,gc) *.
13846 2006-04-18 Nick Clifton <nickc@redhat.com>
13848 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13849 flag_strength_reduce.
13851 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13853 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13857 Partial revert of revision 112637
13858 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13859 Dale Johannesen <dalej@apple.com>
13862 * regclass.c (struct reg_pref): Update documentation.
13863 (regclass): Set prefclass to NO_REGS if memory is the best option.
13864 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13866 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13868 PR tree-optimization/26821
13869 * tree-ssa-math-opts.c (get_constant_one): New.
13870 (insert_reciprocals): Use it.
13872 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13874 * dwarf2out.c (free_AT): Delete.
13875 (remove_AT): Update string ref counts.
13876 (remove_child_TAG): Don't call free_die.
13877 (free_die): Delete.
13878 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13879 or DW_TAG_GNU_EINCL.
13880 (prune_unused_types_walk_attribs): Reset string refcounts.
13881 (prune_unused_types_update_strings): New.
13882 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13883 call free_die. Do call prune_unused_types_update_strings.
13884 (prune_unused_types): Empty debug_str_hash.
13886 2006-04-17 Roger Sayle <roger@eyesopen.com>
13888 * expr.c (expand_assignment): Optimize away no-op moves where the
13889 source and destination are equal and have no side-effects.
13891 2006-04-17 Richard Guenther <rguenther@suse.de>
13894 * reload.c (push_reload): Guard calls to get_secondary_mem
13895 for memory subregs.
13897 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13899 * alias.c (reg_base_value, old_reg_base_value): Change the
13900 type to VEC(rtx,gc) *.
13901 (REG_BASE_VALUE, find_base_value, record_set,
13902 init_alias_analysis): Use VEC instead of VARRAY.
13904 * alias.c (alias_sets): Change the type to
13905 VEC(alias_set_entry,gc) *.
13906 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13907 VEC instead of VARRAY.
13908 (last_alias_set): Remove.
13910 * cgraph.h (cgraph_edge_p): New.
13911 Update the prototype of cgraph_function_versioning.
13912 * cgraphunit.c (cgraph_copy_node_for_versioning,
13913 cgraph_function_versioning): Use VEC instead of VARRAY.
13914 * ipa-cp.c (ipcp_insert_stage): Likewise.
13916 2006-04-16 Roger Sayle <roger@eyesopen.com>
13919 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13920 "A op B" or "A op C", we may need to convert A to the type of B and C.
13922 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13924 * target.h (struct gcc_target): Add mode_rep_extended.
13925 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13926 (init_num_sign_bit_copies_in_rep): Initialize it using
13928 (truncate_to_mode): Use it.
13929 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13930 * targhooks.h (default_mode_rep_extended): Declare it.
13931 * targhooks.c (default_mode_rep_extended): Define it.
13932 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13933 default_mode_rep_extended.
13934 (TARGET_INITIALIZER): Include it.
13935 * doc/tm.texi (Misc): Document it.
13936 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13937 (mips_truncated_to_mode): New function.
13939 2006-04-16 Roger Sayle <roger@eyesopen.com>
13941 PR middle-end/25474
13942 * expr.c (compress_float_constant): Copy the narrow constant into
13943 a new pseudo before extending it to its final width.
13945 2006-04-16 Roger Sayle <roger@eyesopen.com>
13946 Andrew Pinski <pinskia@gcc.gnu.org>
13947 Dale Johannesen <dalej@apple.com>
13950 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13951 special case code to implement V8HImode and V16QImode with SSE2.
13953 2006-04-15 Roger Sayle <roger@eyesopen.com>
13955 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13956 trees are constructed with a suitable tree type.
13958 2006-04-15 Roger Sayle <roger@eyesopen.com>
13960 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13961 (integer_onep): Likewise.
13962 (integer_all_onesp): Likewise.
13963 (integer_pow2p): Likewise.
13964 (integer_nonzerop): Likewise.
13965 (real_zerop): Likewise.
13966 (real_onep): Likewise.
13967 (real_twop): Likewise.
13968 (real_minus_onep): Likewise.
13969 (int_size_in_bytes): Likewise.
13970 (host_integerp): Likewise.
13972 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13974 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13975 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13976 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13978 * tree-ssa-structalias.h (alias_info): Remove num_references.
13980 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13982 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13983 (output_bvb patterns): Likewise.
13984 * pa.c (output_bb): Use 'bb' insn for long branch case.
13985 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13986 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13987 1. Correct length operand for alternatives 1 and 2.
13988 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13989 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13991 2006-04-14 Roger Sayle <roger@eyesopen.com>
13993 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13994 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13995 were accidentally reverted by r112959.
13997 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13999 PR middle-end/26823
14000 * except.h (eh_region_outermost): New prototype.
14001 * except.c (eh_region_outermost): New function.
14002 * tree-cfg.c (find_outermost_region_in_block): Use it.
14004 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14006 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14008 * reload1.c (reg_equiv_memory_loc_varray): Rename to
14009 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
14010 (init_reload, reload): Use VEC instead of VARRAY.
14011 * reload.h: Update the prototype for
14012 reg_equiv_memory_loc_varray.
14014 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
14015 Eric Botcazou <ebotcazou@libertysurf.fr>
14017 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14018 register save area.
14020 2005-04-13 Uros Bizjak <uros@kss-loka.si>
14022 PR middle-end/27134
14023 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14024 to expand fallback builtin function call.
14026 2006-04-14 Alan Modra <amodra@bigpond.net.au>
14028 PR middle-end/27095
14029 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14030 and emit libcall here in case the builtin fails.
14031 (expand_builtin_strcmp): Always emit the libcall here on failure.
14033 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14035 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14036 * flow.c (reg_n_info): Change the type to
14037 VEC(reg_info_p,heap) *.
14038 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14040 * regs.h (reg_info_p): New.
14041 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14042 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14043 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14046 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
14048 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14050 * params.h (MAX_SCHED_READY_INSNS): New macro.
14051 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14052 past MAX_SCHED_READY_INSNS during the first scheduling pass.
14053 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14054 the ready list for 1 cycle during the first scheduling pass.
14055 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14057 2006-04-13 Richard Henderson <rth@redhat.com>
14060 * gimple-low.c (lower_omp_directive): Remove dead code.
14061 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14062 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14063 * omp-low.c (struct omp_region): Move to tree-flow.h.
14064 (root_omp_region): Export.
14065 (omp_regions, lookup_omp_region): Remove.
14066 (determine_parallel_type): Update for struct omp_region changes.
14067 (dump_omp_region): Dump regions with block numbers.
14068 (new_omp_region): Take type and block instead of stmt; malloc
14070 (free_omp_region_1, free_omp_regions): New.
14071 (expand_parallel_call): Take entry_stmt as argument; update for
14072 changes to omp_region.
14073 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14074 (remove_exit_barriers): New.
14075 (expand_omp_parallel): Update for struct omp_region changes.
14076 (expand_omp_synch): Likewise.
14077 (expand_omp): Likewise.
14078 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14079 (expand_omp_for_static_chunk): Likewise.
14080 (expand_omp_for): Likewise.
14081 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14082 (expand_omp_sections): Similarly, with GOMP_sections_end.
14083 (expand_omp_single): New.
14084 (build_omp_regions_1): Update for OMP_CONTINUE.
14085 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14086 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14087 OMP_SECTIONS_SECTIONS.
14088 (lower_omp_single_simple): Don't emit barrier here.
14089 (lower_omp_single_copy): Likewise.
14090 (lower_omp_single): Fix bindings, and lower to straightline now.
14091 (lower_omp_master, lower_omp_ordered): Likewise.
14092 (lower_omp_critical): Likewise.
14093 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
14094 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14095 omp edges, free it afterward.
14096 (make_omp_sections_edges): Remove.
14097 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14098 (move_stmt_r): Handle OMP_CONTINUE.
14099 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14100 statement pointers to basic blocks. Add type member.
14101 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14102 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14103 * tree-inline.c (estimate_num_insns_1): Likewise.
14104 * tree-pretty-print.c (dump_generic_node): Likewise.
14105 * tree-ssa-operands.c (get_expr_operands): Likewise.
14106 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14107 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14108 (OMP_CONTINUE): New.
14109 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14110 (OMP_SECTIONS_SECTIONS): Remove.
14111 (OMP_SECTION_LAST): New.
14112 (OMP_RETURN_NOWAIT): New.
14114 2006-04-13 Roger Sayle <roger@eyesopen.com>
14116 * fold-const.c (native_encode_vector, native_interpret_real):
14117 Correct obvious mistakes in the previous check-in.
14119 2006-04-13 Roger Sayle <roger@eyesopen.com>
14121 * fold-const.c (native_encode_expr): New function to encode
14122 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14123 or VECTOR_CST into a specified buffer.
14124 (native_encode_int): New function.
14125 (native_encode_real): New function.
14126 (native_encode_complex): New function.
14127 (native_encode_vector): New function.
14128 (native_interpret_expr): Inverse of native_encode_expr to convert
14129 a target representation into an INTEGER_CST, REAL_CST etc...
14130 (native_interpret_int): New function.
14131 (native_interpret_real): New function.
14132 (native_interpret_complex): New function.
14133 (native_interpret_vector): New function.
14134 (fold_view_convert_expr): New function to constant fold/evaluate
14135 a VIEW_CONVERT_EXPR of a suitable constant expression.
14136 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14137 Change call of build1 to fold_build1 when constructing a
14140 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14141 Ulrich Weigand <uweigand@de.ibm.com>
14144 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14147 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14150 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14151 optimize to lo_sum for DFmode if !TARGET_FPRS.
14153 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14155 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14156 delete_alias_info, compute_flow_sensitive_aliasing,
14157 group_aliases): Use VEC instead of VARRAY.
14158 * tree-ssa-structalias.c (update_alias_info): Likewise.
14159 * tree-ssa-structalias.h (alias_info): Change the type of
14160 processed_ptrs to VEC(tree,heap) *.
14162 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14165 * config/sh/lib1funcs.h: New file, broken out of:
14166 * config/sh/lib1funcs.asm.
14167 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14169 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14170 * config/sh/lib1funcs-Os-4-200.asm: New file.
14171 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14172 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14173 (EXTRA_MULTILIB_PARTS): Include it.
14174 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14175 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14176 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14177 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14180 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14182 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14183 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14184 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14186 * tree-ssa-live.h: Include vecprim.h.
14187 (tree_partition_associator_d): Change the type of
14188 first_partition to VEC(int,heap) *.
14189 (tpa_first_partition): Use VEC instead of VARRAY.
14191 * Makefile.in (GTFILES): Move functions.h after tree.h.
14192 * function.c (reset_block_changes, record_block_change,
14193 check_block_change, free_block_changes): Use VEC instead of
14195 * function.h (function): Change the type of
14196 ib_boundaries_block to VEC(tree,gc) *.
14197 * tree-inline.c (copy_cfg_body): Initialize
14198 ib_boundaries_block to NULL instead of (varray_type) 0.
14200 2006-04-12 Roger Sayle <roger@eyesopen.com>
14202 * expr.c (emit_group_store): Correct operand order in call to
14203 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14204 a SUBREG_BYTE of zero.
14206 2006-04-12 Richard Guenther <rguenther@suse.de>
14208 * profile.c (compute_branch_probabilities): Remove code
14209 encapsulated in !ir_type (), which are remanents of the
14210 removed RTL profiling code.
14211 * rtl-profile.c: Remove.
14213 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14215 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14216 magic NULL_RTX comment.
14217 (function_arg): Store entire fp arg to mem if any part should go
14219 (rs6000_arg_partial_bytes): Adjust for above change.
14221 2006-04-11 Roger Sayle <roger@eyesopen.com>
14223 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14224 if it hasn't been initialized by dwarf2out_init.
14226 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14228 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14229 symbolic constants in branch patterns.
14231 2006-04-11 Roger Sayle <roger@eyesopen.com>
14233 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14235 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14237 PR rtl-optimization/27073
14238 * gcse.c (try_replace_reg): Revert last change. Continue to search
14239 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14242 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14244 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14245 aggregate types other than record and union types.
14246 (function_arg): Likewise.
14247 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14249 (function_value): In 64-bit mode, return objects that require it
14252 2006-04-11 Roger Sayle <roger@eyesopen.com>
14254 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14256 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14258 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14260 2006-04-03 Jeff Law <law@redhat.com>
14263 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14264 alias information too.
14266 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14268 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14270 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14273 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14274 (premark_used_types_helper): New.
14275 (premark_used_types): New.
14276 (gen_subprogram_die): Call premark_used_types.
14277 (prune_unused_types_walk): Do not prune perennial dies.
14278 * function.c (used_types_insert): New.
14279 * function.h (struct function): Add used_types_hash field.
14280 (used_types_insert): Add prototype.
14281 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14282 * c-parser.c (c_parser_cast_expression): Save casted types in used
14285 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14288 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14289 rs6000_explicit_options.float_gprs.
14291 2006-04-10 Roger Sayle <roger@eyesopen.com>
14293 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14294 from ix86_expand_vector_init_low_nonzero. Take an additional
14295 one_var argument indicating which element is non-zero. Support
14296 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14297 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14298 with one_var instead of ix86_expand_vector_init_low_nonzero.
14300 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14302 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14303 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14304 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14305 build/genextract.o): Depend on vecprim.h.
14306 * cfglayout.c, df-problems.c, function.c, genextract.c,
14307 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14308 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14312 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14314 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14315 Declare VECs of this type.
14316 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14317 (remove_children): Delete.
14318 (add_dwarf_attr): Use VEC routines.
14319 (add_AT_flag): Update for changes to add_dwarf_attr.
14320 (add_AT_int): Likewise.
14321 (add_AT_unsigned): Likewise.
14322 (add_AT_long_long): Likewise.
14323 (add_AT_vec): Likewise.
14324 (add_AT_string): Likewise.
14325 (add_AT_die_ref): Likewise.
14326 (add_AT_fde_ref): Likewise.
14327 (add_AT_loc): Likewise.
14328 (add_AT_loc_list): Likewise.
14329 (add_AT_addr): Likewise.
14330 (add_AT_lbl_id): Likewise.
14331 (add_AT_lineptr): Likewise.
14332 (add_AT_macptr): Likewise.
14333 (add_AT_offset): Likewise.
14334 (add_AT_range_list): Likewise.
14335 (get_AT): Use VEC_iterate.
14336 (remove_AT): Use VEC_ordered_remove.
14337 (free_die): Fold remove_children into here; have it use VEC_iterate.
14338 (print_die): Use VEC_iterate on attrs.
14339 (reverse_die_lists): Don't reverse attr lists.
14340 (die_checksum): Use VEC_iterate on attrs.
14341 (same_die_p): Likewise.
14342 (output_location_lists): Likewise.
14343 (build_abbrev_table): Likewise.
14344 (size_of_die): Likewise.
14345 (unmark_all_dies): Likewise.
14346 (output_abbrev_section): Likewise.
14347 (output_die): Likewise.
14348 (prune_unused_types_walk_attribs): Likewise.
14350 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14352 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14354 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14357 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14359 2006-04-09 Roger Sayle <roger@eyesopen.com>
14361 * expr.c (store_constructor): Don't bother clearing target if
14362 we're about to assign a vector to it using vec_init_optab.
14364 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14366 * tree-ssa-alias.c (lhs_may_store_to): New function.
14367 (recalculate_used_alone): Handle LHS of calls.
14369 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14373 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14374 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14375 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14376 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14377 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14378 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14379 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14380 stubs. Add ".align 8" directives before all ".dword" directives.
14381 (GTHREAD_USE_WEAK): Revise comment.
14382 (TARGET_ATTRIBUTE_WEAK): Define.
14383 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14384 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14385 * stublib.c: New file.
14390 * pa.md (cbranch patterns): Revise arguments used in calls to
14391 output_cbranch, output_bb and output_bvd. Add long branch length
14393 (fbranch patterns): Handle long branches.
14394 (jump): Revise length check. Revise arguments for output_lbranch call.
14395 Add long branch length attributes.
14396 (decrement_and_branch_until_zero): Add long branch length attributes.
14397 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14398 Likewise. Revise arguments for output_parallel_addb and
14399 output_parallel_movb calls.
14400 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14401 output_parallel_movb and output_parallel_addb): Update prototypes.
14402 * pa.c (output_cbranch): Revise arguments. Correct handling of
14403 nullification in long branches.
14404 (output_lbranch): Add new argument to control extraction of delay
14406 (output_bb): Handle long branches.
14407 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14408 output_parallel_addb): Likewise.
14410 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14412 PR rtl-optimization/27073
14413 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14416 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14418 * tree.h (tree_memory_tag): Add old_used_alone.
14419 (SMT_OLD_USED_ALONE): New macro.
14420 * tree-ssa-alias.c (recalculate_used_alone): Stop
14421 marking things for renaming unnecessarily.
14423 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14425 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14426 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14427 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14428 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14429 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14430 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14431 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14432 spelling convensions.
14433 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14434 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14435 typos. Follow spelling conventions.
14437 2006-04-07 DJ Delorie <dj@redhat.com>
14439 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14440 passed on the stack.
14441 (m32c_init_cumulative_args): When a function returns a structure,
14442 always pass the pointer to that return area on the stack.
14443 (m32c_function_arg_advance): Don't increment the parameter number
14444 if we're processing the returned structure pointer.
14445 (pushm_info): Reverse order of registers.
14447 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14449 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14450 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14451 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14452 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14453 build_int_cst_type.
14454 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14455 chrec_fold_multiply): Same.
14456 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14457 force_expr_to_var_cost): Same.
14458 * tree-mudflap.c (mf_xform_derefs_1): Same.
14459 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14461 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14463 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14464 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14467 2006-04-07 Jan Hubicka <jh@suse.cz>
14469 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14471 2006-04-07 Richard Guenther <rguenther@suse.de>
14473 PR tree-optimization/26135
14474 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14475 loads for store copy-prop.
14476 (copy_prop_visit_stmt): Likewise.
14478 2006-04-05 Robert Millan <robertmh@gnu.org>
14480 * config/i386/linux.h: Add a comment to mark macros that are
14481 being overriden in config/k*bsd-gnu.h.
14482 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14484 * config/knetbsd-gnu.h: Ditto.
14486 2006-04-06 Jan Hubicka <jh@suse.cz>
14490 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14493 2006-04-06 Mike Stump <mrs@apple.com>
14495 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14496 for HAVE_nonlocal_goto to be consistent.
14497 (expand_builtin_nonlocal_goto): Likewise.
14498 (expand_builtin_strcmp): Use #ifdef instead of #if
14499 for HAVE_cmpstrnsi to be consistent.
14501 2006-04-05 DJ Delorie <dj@redhat.com>
14503 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14506 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14508 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14509 got-relative addressing for anything but SImode.
14511 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14512 even if the calling function doesn't modify them.
14514 2006-04-05 Richard Guenther <rguenther@suse.de>
14516 PR tree-optimization/26919
14517 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14518 to cgraph_estimate_size_after_inlining.
14520 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14522 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14524 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14526 PR tree-optimization/26996
14527 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14528 VECTOR_TYPE variables.
14530 2006-04-05 Richard Guenther <rguenther@suse.de>
14532 PR tree-optimization/26763
14533 * fold-const.c (fold_comparison): Move folding of
14534 PTR + CST CMP PTR + CST ...
14535 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14537 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14539 * doc/install.texi (Prerequisites): Refine some wording on
14540 bootstrapping and ksh.
14541 Move the version numbers of DejaGnu here from the testing section
14542 and fix casing of names.
14543 Fix markup and clarify wording for autogen requirements.
14544 Refer to GCJ instead of just java.
14545 Refer to SVN instead of CVS.
14546 Describe diffutils as useful instead of necessary.
14547 (Downloading the source): Refer to SVN instead of CVS.
14548 Adjust a link to our web site accordingly.
14549 (Configuration): Fix casing of Bison.
14550 (Building): Refer to SVN instead of CVS.
14551 Fix a sentence on the use of Bison and remove duplicate (and
14552 incorrect) version number of Bison requirement.
14553 Remove one redundant list of packages needed for building.
14554 (Specific): Avoid reference to CVS.
14556 2006-04-04 Eric Christopher <echristo@apple.com>
14558 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14559 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14560 (rs6000_handle_struct_attribute): New.
14561 (rs6000_ms_bitfield_layout_p): Ditto.
14563 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14565 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14566 NULL for dso parameter to atexit_common.
14568 2006-04-04 Eric Christopher <echristo@apple.com>
14570 * config/i386/i386.c (machopic_output_stub): Output \t
14571 between instructions and operands.
14573 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14575 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14576 satisfies_constraint_[IL] to explicit tests on value.
14578 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14580 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14581 set_nb_iterations_in_loop): Use build_int_cst instead of
14582 build_int_cst_type.
14583 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14584 build_int_cst instead of convert.
14586 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14588 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14589 new value 2 for incoming.
14590 * function.c (expand_function_start): Call struct_value_rtx
14591 with incoming as 2.
14592 * config/sparc/sparc.md: Comment updated_return.
14593 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14594 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14595 struct return if sparc_std_struct_return and incoming is 2.
14596 (print_operand): Do not adjust return if
14597 sparc_std_struct_return.
14599 2006-04-04 Roger Sayle <roger@eyesopen.com>
14601 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14602 convert in the middle-end.
14603 * expr.c (store_expr, store_constructor, get_inner_reference,
14604 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14606 * tree.c (build_range_type): Likewise.
14608 2006-04-04 Tom Tromey <tromey@redhat.com>
14610 * doc/install.texi (Prerequisites): Mention jar.
14612 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14614 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14617 2006-04-04 Matthias Klose <doko@debian.org>
14619 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14623 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14626 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14628 * doc/extend.texi (Function Attributes): Rewrite visibility
14629 attribute documentation.
14630 * doc/invoke.texi (C++ Dialect Options): Rewrite
14631 -fvisibility-inlines-hidden documentation to describe something
14632 entirely different, although in practise compatible.
14633 (Code Gen Options): Warn about system headers in -fvisibility=
14636 * doc/extend.texi (Other Builtins): Document that
14637 __builtin_nan is a compile-time constant only when its argument
14640 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14642 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14643 trying to remove TRUNCATE check if all bits outside the new mode
14644 are identical to the sign bit.
14646 2006-04-03 Jeff Law <law@redhat.com>
14648 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14649 and operand scanning in some common cases.
14651 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14652 Dale Johannesen <dalej@apple.com>
14655 * regclass.c (struct reg_pref): Update documentation.
14656 (regclass): Set prefclass to NO_REGS if memory is the best option.
14657 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14658 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14659 into account. For non-registers, equate an empty preferred
14660 reload class to a `!' in the constraint; move the if clause to
14661 do so after those that reject the insn.
14662 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14664 (find_dummy_reload): Likewise.
14665 * doc/tm.texi (Register Classes): Document what it means
14666 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14667 * config/i386/i386.c (ix86_preferred_reload_class): Force
14668 using SSE registers (and return NO_REGS for floating-point
14669 constants) if math is done with SSE.
14670 (ix86_preferred_output_reload_class): New.
14671 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14672 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14673 * config/i386/i386.md: Remove # register preferences.
14675 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14678 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14679 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14680 the type of nb_iter.
14681 (instantiate_parameters_1): Convert the operands before calling
14682 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14683 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14685 2006-04-02 Roger Sayle <roger@eyesopen.com>
14687 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14688 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14689 instead of convert.
14690 * dojump.c (do_jump): Likewise.
14691 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14692 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14693 gimplify_boolean_expr): Likewise.
14694 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14695 * varasm.c (array_size_for_constructor): Likewise.
14696 * tree-object-size.c (compute_object_offset): Likewise.
14698 2006-04-02 Roger Sayle <roger@eyesopen.com>
14700 PR middle-end/26977
14701 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14702 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14704 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14706 PR tree-optimization/26939
14707 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14709 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14711 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14712 at_stmt. Convert the type of operands before calling
14713 build_polynomial_chrec.
14714 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14715 add_to_evolution_1.
14716 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14717 (instantiate_parameters_1): Convert the type of operands before calling
14718 build_polynomial_chrec.
14719 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14720 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14721 reset_evolution_in_loop): Insert asserts to check the types of the
14723 (chrec_type): Moved...
14724 (eq_evolutions_p): Use operand_equal_p.
14725 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14726 the types of the operands.
14727 (chrec_type): ...here.
14728 * tree-data-ref.c (create_data_ref): Convert the operands before
14729 calling chrec_replace_initial_condition.
14730 (same_access_functions, analyze_subscript_affine_affine,
14731 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14732 (compute_subscript_distance, analyze_ziv_subscript,
14733 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14734 analyze_miv_subscript): Convert the operands before calling
14735 chrec_fold_minus or chrec_fold_plus.
14737 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14739 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14740 the dependence_relations vector.
14741 (compute_data_dependences_for_loop): Adjust call to
14742 compute_all_dependences.
14744 2006-04-01 Roger Sayle <roger@eyesopen.com>
14745 Richard Henderson <rth@redhat.com>
14747 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14748 gimple_boolify on the condition before calling gimplify_expr.
14750 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14752 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14753 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14754 the frame size. Update to use the new macros.
14755 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14756 * config/xtensa/ieee754-df.S: Likewise.
14758 2006-03-31 Richard Henderson <rth@redhat.com>
14760 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14761 (make_edges): ... here. Control fallthru creation with a local
14762 variable. Do not play with fake edges.
14763 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14764 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14767 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14769 * dwarf2.h (DW64_CIE_ID): Define.
14770 * dwarf2out.c (DWARF_CIE_ID): Define.
14771 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14772 length header. Use DWARF_CIE_ID.
14773 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14774 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14776 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14778 * config/sh/linux-atomic.asm: New file.
14779 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14781 2006-03-31 DJ Delorie <dj@redhat.com>
14783 * config/m32c/cond.md: Set condition flags properly throughout.
14784 * config/m32c/minmax.md: Likewise.
14785 * config/m32c/prologue.md: Likewise.
14786 * config/m32c/bitops.md: Likewise.
14787 * config/m32c/muldiv.md: Likewise.
14788 * config/m32c/mov.md: Likewise.
14789 * config/m32c/addsub.md: Likewise.
14790 * config/m32c/m32c.md: Likewise.
14791 * config/m32c/jump.md: Likewise.
14792 * config/m32c/shift.md: Likewise.
14794 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14795 conditionally output the pattern for this.
14796 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14797 (m32c_compare_redundant): New.
14798 (m32c_output_compare): New.
14799 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14801 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14802 dest, not src. Allow other 4-byte modes.
14804 2006-03-30 Denis Chertykov <denisc@overta.ru>
14806 * doc/md.texi: Refer to avr/constraints.md instead of
14809 2006-03-30 Roger Sayle <roger@eyesopen.com>
14811 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14812 signed vs. unsigned comparison failures on some hosts.
14814 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14817 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14818 change to FLOAT_REGS.
14820 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14821 (rs6000_override_options): Use it.
14822 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14823 only for -mabi=spe/no-spe and -mabi=altivec.
14825 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14827 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14830 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14832 * Makefile.in: Rename docdir to gcc_docdir.
14834 2006-03-30 Roger Sayle <roger@eyesopen.com>
14837 * expr.c (emit_group_store): Optimize group stores into a pseudo
14838 register by using a paradoxical subreg to initialize the destination
14839 if the first or last member of the group specifies a "low part".
14841 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14844 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14845 * target.h (struct gcc_target.speculate_insn): Change type of the
14846 second parameter to 'int'.
14847 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14848 the second operand of the DEPS_LIST.
14849 (copy_DEPS_LIST_list): Update reference to the second operand of the
14851 * rtl.h (alloc_DEPS_LIST): Update signature.
14852 * sched-int.h (ds_t): Change typedef to 'int'.
14853 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14855 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14857 * haifa-sched.c (try_ready): Change condition to restore
14858 non-speculative pattern of the instruction.
14859 (process_insn_depend_be_in_spec): Code to keep probability of the
14860 speculative dependence non-decreasing.
14862 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14864 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14865 (single_move_for_movmem): ... this. Also change all uses.
14866 (bfin_expand_strmov): Renamed to...
14867 (bfin_expand_movmem): ... this. Also change all uses.
14868 * config/bfin/bfin.md (movstrsi): Renamed to...
14869 (movstrsi): ...this.
14871 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14873 PR tree-optimization/26830
14875 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14876 (copy_prop_visit_stmt): Remove write-only variable ann.
14877 (init_copy_prop): Check variable loop depth here. Do not simulate
14878 memory-tag and virtual operand PHIs except for store copy prop.
14880 2006-03-30 Richard Guenther <rguenther@suse.de>
14882 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14883 variants with double arguments.
14885 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14887 * genpreds.c (write_tm_constrs_h): Delete variable p.
14888 * genconditions.c (write_header): Add tm-constrs.h to included
14890 * genpeep.c (main): Add toplev.h to included headers.
14891 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14892 (build/genpeep.o): Add toplev.h dependency.
14893 * config/rs6000/constraints.md: Add "W" constraint.
14895 2006-03-29 Roger Sayle <roger@eyesopen.com>
14897 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14898 sizes by correctly testing whether the size fits a host integer.
14899 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14900 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14901 SImode range for the default sizetype and bitsizetype.
14903 2006-03-29 Roger Sayle <roger@eyesopen.com>
14905 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14906 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14907 quickly if the argument is already of the correct type.
14908 Call fold_build1 instead of build1. Tidy up blank lines.
14910 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14912 * genemit.c (main): Add tm-constrs.h to included headers.
14913 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14914 * genpeep.c (main): Add tm-constrs.h to included headers.
14915 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14916 (write_tm_constrs_h): this and write complete file.
14917 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14918 (write_insn_preds_c): Add tm-constrs.h to included headers.
14919 (gen_constrs): New variable.
14920 (parse_option): Parse "-c".
14921 (main): Invoke write_tm_constrs_h.
14922 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14923 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14924 (object_out_file): Add tm-constrs.h dependency.
14925 (insn-emit.o): Same.
14926 (insn-output.o): Same.
14927 (insn-peep.o): Same.
14928 (insn-preds.o): Same.
14929 (insn-recog.o): Same.
14930 (tm-constsr.h): New target.
14931 (s-constrs-h): New target.
14933 * config/rs6000/constraints.md: New file.
14934 * config/rs6000/rs6000.c: Include tm-constrs.h.
14935 (num_insn_constant_wide): Convert to satisfies_constraint.
14936 (rs6000_rtx_costs): Convert to satisfies_constraint.
14937 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14938 (CONST_OK_FOR_LETTER_P): Delete.
14939 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14940 (EXTRA_CONSTRAINT): Delete.
14941 (EXTRA_MEMORY_CONSTRAINT): Delete.
14942 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14943 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14944 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14945 satisfies_constraint.
14947 * config/i386/i386.c: Include tm-constrs.h.
14949 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14951 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14952 * tree-data-ref.c (find_data_references_in_loop,
14953 compute_data_dependences_for_loop): Use pointers to VEC.
14954 (analyze_all_data_dependences): Adjust calls.
14955 * tree-data-ref.h (find_data_references_in_loop,
14956 compute_data_dependences_for_loop): Adjust declarations.
14957 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14958 compute_data_dependences_for_loop.
14960 2006-03-29 Paul Brook <paul@codesourcery.com>
14962 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14963 (movdf_vfp): Ditto.
14965 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14967 PR tree-optimization/26859
14968 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14970 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14971 for the step after fold_convert.
14973 2006-03-29 Paul Brook <paul@codesourcery.com>
14975 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14976 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14978 2006-03-29 Paul Brook <paul@codesourcery.com>
14980 PR middle-end/23623
14981 * targhooks.c (default_narrow_bitfield): New fuction.
14982 * targhooks.h (default_narrow_bitfield): add prototype.
14983 * target.h (gcc_target): Add narrow_volatile_bitfield.
14984 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14985 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14986 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14987 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14989 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14991 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14993 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14994 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14995 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14996 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14997 (s390_function_arg_float): Allow SDmode and DDmode values to be
14998 passed in floating point registers.
14999 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15000 check with SCALAR_FLOAT_MODE_P.
15001 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15003 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15005 PR tree-optimization/25985
15006 * tree-ssa-loop-niter.c (number_of_iterations_le,
15007 number_of_iterations_ne): Make comments more precise.
15008 (number_of_iterations_cond): Add only_exit argument. Use the
15009 fact that signed variables do not overflow only when only_exit
15011 (loop_only_exit_p): New.
15012 (number_of_iterations_exit): Pass result of loop_only_exit_p to
15013 number_of_iterations_cond.
15015 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15017 PR tree-optimization/26643
15018 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15021 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
15023 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15024 (divsi3_i4_int): Likewise.
15026 2006-03-28 Roger Sayle <roger@eyesopen.com>
15028 * expr.c (emit_group_store): Only create a new pseudo reg if the
15029 quantity it needs to hold isn't already a suitable pseudo.
15031 2006-03-28 Jeff Law <law@redhat.com>
15033 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15034 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15036 2006-03-28 Roger Sayle <roger@eyesopen.com>
15038 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15039 the equivalent ~X & Y, and the symmetry related transformations.
15040 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15041 ~X & Y, and symmetry related transforms.
15043 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15045 Revert my 2006-03-27 patches.
15047 2006-03-28 Roger Sayle <roger@eyesopen.com>
15049 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15050 ~(T1)X, when T1 and T2 are integer types of the same precision
15051 and (T2)X isn't an extension.
15053 2006-03-28 Jeff Law <law@redhat.com>
15055 PR tree-optimization/26796
15056 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15057 need EH edge cleanups rather than purging them immediately.
15058 (eliminate_degenerate_phis): Handle queued EH cleanups.
15060 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
15062 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15065 2006-03-27 Roger Sayle <roger@eyesopen.com>
15067 PR middle-end/22524
15068 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15069 cast BIT_NOT_EXPR operand to the correct type.
15071 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
15073 * tree-loop-linear.c: Don't include varray.h.
15074 (gather_interchange_stats, try_interchange_loops,
15075 linear_transform_loops): Use VEC instead of VARRAY.
15076 * lambda-mat.c: Don't include varray.h.
15077 * tree-chrec.c: Same.
15078 * lambda-trans.c: Same.
15079 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15080 VEC instead of VARRAY.
15081 * tree-vectorizer.h: Idem.
15082 * tree-data-ref.c (dump_data_references,
15083 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15084 initialize_data_dependence_relation, finalize_ddr_dependent,
15085 compute_all_dependences, find_data_references_in_loop,
15086 compute_data_dependences_for_loop, analyze_all_data_dependences,
15087 free_dependence_relation, free_dependence_relations,
15088 free_data_refs): Idem.
15089 * tree-data-ref.h (data_reference_p, subscript_p): New.
15090 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15091 VEC instead of VARRAY.
15092 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15093 (find_data_references_in_loop, compute_data_dependences_for_loop,
15094 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15095 dump_data_dependence_relations, free_dependence_relations,
15096 free_data_refs): Adjust declaration.
15097 (lambda_transform_legal_p): Move declaration here...
15098 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15099 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15100 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15101 vect_analyze_data_refs): Use VEC instead of VARRAY.
15102 * lambda.h (lambda_transform_legal_p): ...from here.
15103 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15104 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15105 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15106 tree-chrec.o): Don't depend on VARRAY_H.
15108 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15110 * rtl.def (Copyright): Update date.
15111 (DEPS_LIST): Change type of the second operand to 'int'.
15112 * target.h (Copyright): Update date.
15113 (struct gcc_target.speculate_insn): Change type of the second parameter
15115 * lists.c (Copyright): Update date.
15116 (alloc_DEPS_LIST): Change signature. Update reference to the second
15117 operand of the DEPS_LIST.
15118 (copy_DEPS_LIST_list): Update reference to the second operand of the
15120 * rtl.h (Copyright): Update date.
15121 (alloc_DEPS_LIST): Update signature.
15122 * sched-int.h (Copyright): Update date.
15123 (ds_t): Change typedef to 'int'.
15124 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15126 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15128 * haifa-sched.c (Copyright): Update date.
15129 (try_ready): Change condition to restore non-speculative pattern
15130 of the instruction.
15131 (process_insn_depend_be_in_spec): Code to keep probability of the
15132 speculative dependence non-decreasing.
15134 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15136 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15137 shut up the compiler.
15139 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15141 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15142 to use lib prefix for target.
15143 ($(T)libic_invalidate_array_4-200.a): Likewise.
15144 ($(T)libic_invalidate_array_4a.a): Likewise.
15146 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15147 J"orn Rennecke <joern.rennecke@st.com>
15149 * superh.opt: New file.
15150 * sh.c (boardtype, osruntime): Remove.
15151 * superh.h (SUBTARGET_OPTIONS): Remove.
15152 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15154 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15155 arguments with ^ and/or [].
15157 * config.gcc (sh-*-*): Add quoting to account for quirk of
15159 Replace == with = in enable_incomplete_targets test.
15161 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15162 with MASK_LITTLE_ENDIAN.
15164 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15165 * config/sh/sh.opt: Added to some comments.
15166 * config/sh/superh.h: Removed some chaff.
15168 * config/sh/sh.opt: Add m4-[1234]00* options.
15169 * config/sh/sh.c (sh_handle_option): Likewise.
15170 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15171 (ic_invalidate_array_4-100.o): New rule.
15172 ($(T)libic_invalidate_array_4-100.a): Likewise.
15173 (ic_invalidate_array_4-200.o): Likewise.
15174 ($(T)libic_invalidate_array_4-200.a): Likewise.
15175 (ic_invalidate_array_4a.o): Likewise.
15176 ($(T)libic_invalidate_array_4a.a): Likewise.
15177 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15178 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15180 * config/sh/crt1.asm: Merged in profiling code.
15181 * config/sh/superh.h (STARTFILE_SPEC): Override.
15182 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15183 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15184 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15186 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15187 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15188 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15190 * sh.opt (mpretend-cmove): New option.
15191 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15192 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15193 (movsicc): Add TARGET_PRETEND_CMOVE code.
15195 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15197 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15198 s390_class_max_nregs): New function prototypes.
15199 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15200 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15201 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15202 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15204 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15206 * dwarf2out.c (add_location_or_const_value_attribute): Call
15207 tree_add_const_value_attribute if nothing else works.
15208 (reference_to_unused): New.
15209 (rtl_for_decl_init): Use reference_to_unused to decide whether
15210 to output an initializer.
15212 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15215 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15216 peephole removing spe frob_di_df_2.
15218 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15220 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15221 (subscript_dependence_tester_1): Declared.
15222 (print_dir_vectors, print_dist_vectors): New.
15223 (debug_data_dependence_relation): New.
15224 (dump_data_dependence_relation): Print more details.
15225 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15226 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15227 (save_dist_v, save_dir_v, add_outer_distances,
15228 build_classic_dist_vector_1): New.
15229 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15230 Don't test for lambda_vector_lexico_pos.
15231 (same_access_functions, add_multivariate_self_dist,
15232 add_other_self_distances, dir_from_dist): New.
15233 (build_classic_dir_vector): Replace implementation almost identical to
15234 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15236 (subscript_dependence_tester_1): New.
15237 (subscript_dependence_tester): Handle the lexicographically negative
15238 distance vectors by recomputing the dependence relation.
15239 (compute_affine_dependence): Remove parameter loop_nest_depth.
15240 (compute_self_dependence): Don't call compute_subscript_distance.
15241 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15242 Add a parameter for the loop_nest.
15243 (find_loop_nest_1, find_loop_nest): New.
15244 (compute_data_dependences_for_loop): Compute the loop nest, and give
15245 up if the nest is not well formed.
15246 * tree-data-ref.h (loop_p): New.
15247 (struct data_dependence_relation): Replace size_vect field with
15248 loop_nest, a vec of loops.
15249 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15250 (DDR_LOOP_NEST): New.
15251 (print_dir_vectors, print_dist_vectors,
15252 debug_data_dependence_relation): Declared.
15253 (index_in_loop_nest): New.
15254 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15255 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15258 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15260 * simplify-rtx.c (simplify_relational_operation): Call
15261 simplify_relational_operation_1 even if mode is VOIDmode.
15263 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15265 PR tree-optimization/26804
15266 * tree.h (DECL_CALL_CLOBBERED): New macro.
15267 (tree_decl_common): Add call_clobbered_flag.
15268 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15269 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15270 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15271 (mark_non_addressable): Ditto.
15272 * tree-ssa.c (verify_call_clobbered): New function.
15273 (verify_alias_info): Use it.
15274 * tree-pass.h (pass_reset_cc_flags): New prototype.
15275 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15276 (reset_cc_flags): New function.
15277 * passes.c (init_optimization_passes): Call reset_cc_flags after
15278 initializing referenced_vars.
15280 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15281 Roger Sayle <roger@eyesopen.com>
15283 PR middle-end/26717
15284 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15285 to 1.0 for non-real operands. Implement A / A optimization for
15288 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15290 * config/i386/i386.c (size_cost): Correct the comment for
15291 cost of storing fp registers.
15292 (i386_cost): Likewise.
15293 (i486_cost): Likewise.
15294 (pentium_cost): Likewise.
15295 (pentiumpro_cost): Likewise.
15296 (k6_cost): Likewise.
15297 (athlon_cost): Likewise.
15298 (k8_cost): Likewise.
15299 (pentium4_cost): Likewise.
15300 (nocona_cost): Likewise.
15301 (generic64_cost): Likewise.
15302 (generic32_cost): Likewise.
15304 2006-03-24 Denis Chertykov <denisc@overta.ru>
15306 * config/avr/avr-protos.h (extra_constraint): Delete.
15307 (extra_constraint_Q): New declaration.
15308 * config/avr/constraints.md: New file.
15309 * config/avr/avr.md: Include it.
15310 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15311 (TMP_REGNO, ZERO_REGNO): Likewise.
15312 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15313 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15314 (extra_constraint): Delete.
15315 (extra_constraint_Q): Test for memory constraint 'Q'.
15316 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15317 (REG_CLASS_FROM_LETTER): Delete.
15318 (CONST_OK_FOR_LETTER_P): Delete.
15319 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15320 (EXTRA_CONSTRAINT): Delete.
15321 (TMP_REGNO): Delete.
15322 (ZERO_REGNO): Delete.
15324 2006-03-24 Jeff Law <law@redhat.com>
15326 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15327 directly. Call mark_new_vars_to_rename slightly earlier.
15329 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15331 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15332 (is_cxx): Likewise.
15333 (gen_compile_unit_die): Use new language types for Objective-C and
15335 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15336 DW_LANG_C_plus_plus.
15339 * config/t-darwin (crt3.o): Work around bug 26840.
15340 * config/darwin-crt3.c: Rewrite.
15341 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15343 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15345 * doc/invoke.texi: Document -femit-class-debug-always
15346 * common.opt: Add -femit-class-debug-always.
15348 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15350 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15351 index and base register.
15352 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15353 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15354 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15355 REGNO_OK_FOR_INDEX_P.
15356 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15358 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15359 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15360 REG_OK_FOR_BASE_P): Definitions removed.
15362 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15364 PR middle-end/26611
15365 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15366 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15367 set yet or weren't marked as local yet.
15369 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15371 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15374 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15376 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15377 (rs6000_legitimate_small_data_p): Delete.
15378 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15379 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15380 and make static. Add forward declaration. Update uses.
15381 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15382 of offsettable_memref_p.
15383 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15384 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15386 2006-03-24 Jeff Law <law@redhat.com>
15388 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15389 around bug in immediate-use iterator.
15391 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15394 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15395 or __LITTLE_ENDIAN__.
15397 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15399 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15400 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15401 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15402 * config/sh/sh.opt (mdiv=): Amend description.
15403 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15404 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15405 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15406 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15407 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15408 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15409 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15410 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15411 TARGET_DIVIDE_CALL_FP.
15413 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15415 * haifa-sched.c (choose_ready): Fix type of the local variable.
15416 Move local variables. Add comment.
15417 (check_reg_live): Change signature. Make callable from debugger.
15418 * sched-int.h (check_reg_live): Update signature.
15419 * sched-ebb.c (check_reg_live): Update parameters.
15420 * sched-rgn.c (check_reg_live): Ditto.
15421 (region_head_or_leaf_p): Check pointer before dereferencing.
15422 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15423 before reload on optimization levels below 1.
15425 2006-03-23 Richard Henderson <rth@redhat.com>
15427 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15431 * config/alpha/predicates.md (local_symbolic_operand): Reject
15434 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15437 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15438 expressions which have overflowed constants.
15440 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15442 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15444 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15446 * cfgloopmanip.c (create_loop_notes): Removed.
15447 * final.c (final_scan_insn): Do not handle loop notes.
15448 * jump.c (squeeze_notes): Ditto.
15449 * cfglayout.c (skip_insns_after_block,
15450 duplicate_insn_chain): Ditto.
15451 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15453 * cfgloop.h (create_loop_notes): Declaration removed.
15455 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15457 * varasm.c (output_constant_pool): Restore fnname and fndecl
15459 (assemble_start_function): Adjust call accordingly.
15460 (assemble_end_function): Likewise.
15462 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15465 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15468 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15470 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15473 * system.h (ICE_EXIT_CODE): New macro.
15474 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15475 (diagnostic_action_after_output): Likewise.
15476 * gcc.c (fatal_ice): New function.
15477 (execute): Use it instead of fatal.
15478 (fancy_abort): Likewise.
15479 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15481 2006-03-22 Jeff Law <law@redhat.com>
15483 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15484 iv_analyze_result returning false.
15486 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15488 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15490 2006-03-22 Richard Henderson <rth@redhat.com>
15492 PR middle-end/26084
15493 * except.c (duplicate_eh_regions_0): New.
15494 (duplicate_eh_region_1): Duplicate the children of the node as
15495 well as the node itself. Link them up properly.
15496 (duplicate_eh_region_2): Merge into ...
15497 (duplicate_eh_regions): ... here. Take copy_region argument, and
15498 copy only a sub-tree if asked. Simplify copying and fixup.
15499 (eh_region_outer_p): New.
15500 * except.h (duplicate_eh_regions): Update decl.
15501 (eh_region_outer_p): Declare.
15502 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15503 (lower_omp_master): Likewise.
15504 (lower_omp_ordered): Likewise.
15505 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15506 (move_stmt_r): Use it to remap labels. Handle recursion vs
15507 remap_decls_p properly.
15508 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15509 (find_outermost_region_in_block): New.
15510 (new_label_mapper): New.
15511 (move_sese_region_to_fn): Copy eh information to the new function
15513 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15515 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15518 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15520 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15521 into shared libraries.
15523 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15525 * doc/md.texi: Refer to i386/constraints.md instead of
15526 i386/predicates.md.
15527 * config/i386/constraints.md: New file, extracted from...
15528 * config/i386/predicates.md: ...here.
15529 * config/i386/i386.md: Include constraints.md.
15531 2006-03-21 Jason Merrill <jason@redhat.com>
15533 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15535 PR middle-end/20297
15536 * expr.c (init_block_move_fn): Force default visibility.
15537 (init_block_clear_fn): Likewise.
15538 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15539 * targhooks.c (default_external_stack_protect_fail): Likewise.
15541 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15543 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15544 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15545 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15546 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15547 (loadgp): Use mips_current_loadgp_style.
15548 (loadgp_noshared): New pattern.
15549 (sibcall_internal): Use MIPS_CALL.
15550 (sibcall_value_internal): Likewise.
15551 (sibcall_value_multiple_internal): Likewise.
15552 (call_internal): Likewise.
15553 (call_value_internal): Likewise.
15554 (call_value_multiple_internal): Likewise.
15555 (call_split): Use MIPS_CALL and add an 'S' constraint.
15556 (call_value_split): Likewise.
15557 (call_value_multiple_split): Likewise.
15558 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15559 (-mshared): New option.
15560 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15561 (mips_current_loadgp_style): Declare.
15562 * config/mips/mips.c (mips_classify_symbol): Avoid using
15563 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15564 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15565 TARGET_ABSOLUTE_ABICALLS.
15566 (override_options): Adjust comments. Improve the warning that is
15567 issued when -mabicalls and -G are used together.
15568 (mips_file_start): Remove comment.
15569 (mips_current_loadgp_style): New function.
15570 (mips_gnu_local_gp): New variable.
15571 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15573 (mips_output_function_prologue): Use mips_current_laodgp_style.
15574 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15575 the cprestore instruction.
15576 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15577 live for TARGET_ABSOLUTE_ABICALLS.
15578 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15579 (ASM_SPEC): Pass down -mshared and -mno-shared.
15580 (MIPS_CALL): New macro.
15581 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15583 * doc/invoke.texi (-mabicalls): Update documentation.
15584 (-mshared): Document.
15586 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15588 * config/ia64/unwind-hpux.c: New file.
15589 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15591 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15594 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15596 2006-03-21 Jeff Law <law@redhat.com>
15598 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15599 type conversions of a VR_VARYING source to a wider type.
15601 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15603 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15604 tm_file on Solaris 10 and later.
15605 (sparc64-*-solaris2*): Likewise.
15606 (sparc-*-solaris2*): Likewise.
15607 * config/sol26.h: Rename to config/sol2-6.h.
15608 * config/sol2-10.h: New file.
15610 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15613 * tree-ssa-pre.c (create_component_ref_by_pieces):
15616 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15619 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15620 return it immediately.
15622 2006-03-21 Michael Matz <matz@suse.de>
15624 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15626 (remove_arc, add_arc): Update num_out_arcs member.
15627 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15629 (cache_presence): New function.
15630 (compare_states_for_equiv): New function.
15631 (state_is_differed): Don't take number of outargs, adjust callers.
15632 Use new invariant for speeding up.
15633 (init_equiv_class): Create initial classes based on sorted
15635 (partition_equiv_class): Don't track out_arcs_num.
15636 (evaluate_equiv_classes): Call cache_presence on all states and
15639 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15641 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15642 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15643 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15644 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15646 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15647 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15648 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15649 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15650 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15652 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15653 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15654 (REGNO_REG_CLASS): ARGP is in PREGS.
15655 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15657 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15658 to deal with those addresses.
15659 * addresses.h: New file.
15660 * caller-save.c: Include "addresses.h".
15661 (init_caller_save): Use new base_reg_class function.
15662 * rtl-factoring.c: Include "addresses.h".
15663 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15664 * recog.c: Include "addresses.h".
15665 (preprocess_constraints): Use new base_reg_class function.
15666 * regrename.c: Include "addresses.h".
15667 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15668 functions. Keep track of a new var INDEX_CODE to compute valid
15670 (replace_oldest_value_addr): Likewise.
15671 (replace_oldest_value_mem): Use base_reg_class.
15672 * reload.c: Include "addresses.h".
15673 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15674 (find_reloads): Use new base_reg_class function.
15675 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15676 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15677 all callers and prototype changed.
15678 * reload1.c: Include "addresses.h".
15679 (maybe_fix_stack_asms): Use base_reg_class.
15680 * regclass.c: Include "addresses.h".
15681 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15682 (init_reg_autoinc): Use new base_reg_class function.
15683 (record_reg_classes): Likewise.
15684 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15685 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15686 Use new args to compute necessary class.
15688 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15689 regrename.o, rtl-factoring.o): Update dependencies.
15690 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15691 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15692 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15693 REG_OK_FOR_INDEX_P): Delete documentation.
15695 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15697 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15698 from V7 to V9 for Solaris 7 and above.
15700 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15702 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15703 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15704 argument pointers may not alias any other storage.
15705 * common.opt: Define option -fargument-noalias-anything.
15706 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15707 alias semantics is specified by flag_argument_noalias > 2.
15709 2006-03-20 Jeff Law <law@redhat.com>
15711 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15712 (pass_phi_only_cprop): Declare.
15713 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15714 with phi_only_cprop
15715 * tree-ssa-dom.c (degenerate_phi_result): New function.
15716 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15717 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15718 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15719 (eliminate_degenerate_phis): Likewise.
15720 (pass_phi_only_cprop): New pass descriptor.
15721 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15722 support code. Callers updated.
15723 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15724 (store_copy_prop): Likewise.
15725 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15727 2006-03-20 Jason Merrill <jason@redhat.com>
15730 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15731 (push_visibility, pop_visibility): Likewise.
15732 * c-pragma.h: Declare them.
15734 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15736 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15738 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15739 parameter and use get_ebb_head_tail.
15740 (sh_md_init_global): Adjust uses of find_regmode_weight.
15742 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15744 * function.h (struct function) <x_tail_recursion_reentry>:
15745 Rename to x_stack_check_probe_note.
15746 (tail_recursion_reentry): Rename to stack_check_probe_note.
15747 * function.c: Replace tail_recursion_reentry with
15748 stack_check_probe_note everywhere.
15749 (expand_function_start): Only emit a note for
15750 stack_check_probe_note with -fstack-protect.
15751 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15753 * emit-rtl.c (remove_unnecessary_notes): Remove.
15754 (pass_remove_unnecessary_notes): Remove.
15755 * rtl.h (remove_unnecessary_notes): Remove prototype.
15756 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15757 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15758 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15760 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15763 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15764 (valid_in_set): Handle ARRAY_REF.
15765 Change "if min_variant or VH" to asserts.
15766 (create_component_ref_by_pieces): Handle ARRAY_REF.
15767 (create_expression_by_pieces): Likewise.
15768 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15770 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15772 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15773 is operand of switch, not str[0].
15775 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15777 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15778 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15780 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15782 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15783 end of insn_extra_address_constraint declaration.
15785 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15787 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15788 (no-sum-in-toc): Same.
15789 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15791 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15792 NO_FP_IN_TOC for -fPIC instead of mask.
15794 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15795 (BOOT_LDFLAGS): Delete.
15797 * config/rs6000/t-aix52: Same.
15799 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15800 (stmsi[345678]_power): New.
15802 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15804 * config/ia64/ia64.opt: Add empty line to end of file.
15806 2006-03-17 Richard Guenther <rguenther@suse.de>
15808 PR middle-end/26721
15809 * builtins.c (get_pointer_alignment): For component style references
15810 adjust alignment to the component type alignment. Make sure
15811 to adjust alignment for component access of constants.
15813 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15815 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15816 unconditional jump.
15818 2006-03-17 Paul Brook <paul@codesourcery.com>
15820 * doc/install.texi: Docuemnt --with-mode.
15821 * config.gcc: Add --with-mode for arm*-*-*.
15822 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15824 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15826 * sh.c (max_labelno_before_reorg): New variable.
15827 (sh_reorg): Initialize it.
15828 (find_barrier): Check max_labelno_before_reorg before using
15829 label_to_alignment. Take length of explicit alignment insns
15830 into account. When seeing a UNSPECV_CONST_END, return it.
15832 * sh.c (fixup_mova): Set mode of affected label to QImode.
15833 (untangle_mova): New function.
15834 (find_barrier): Use it. Check mode of label before decrementing
15836 (sh_reorg): Likewise.
15837 Set mode of all insns back to VOIDmode.
15839 * sh.c (MOVA_LABELREF): New macro.
15840 (mova_p, fixup_mova, sh_reorg): Use it.
15841 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15842 ADDR_DIFF_VEC matches mova.
15844 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15846 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15847 with ATTRIBUTE_UNUSED.
15849 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15851 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15852 pointer, instead of assuming it is possible to derive the
15853 correct args size from a call insn.
15855 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15857 * rtl.h (CONST_INT_P): Define.
15858 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15859 instead of GET_CODE(x) == CONST_INT.
15860 (vax_rtx_costs): Likewise.
15861 (vax_output_int_move): Likewise.
15862 (vax_output_int_add): Likewise.
15863 (legitimate_constant_address_p): Likewise.
15864 (index_term_p): Likewise.
15865 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15866 * config/vax/vax.md (and<mode>3): Likewise.
15867 (ashrsi3): Likewise.
15869 (movstricthi): Likewise.
15870 (movstrictqi): Likewise.
15871 (rotrsi3): Likewise.
15872 (five unnamed insns): Likewise.
15874 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15876 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15877 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15878 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15879 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15880 Pass to ASM_OUTPUT_DWARF_OFFSET.
15881 * dwarf2out.c (debug_frame_section): New.
15882 (output_call_frame_info): Use debug_frame_section. Pass it to
15883 dw2_asm_output_offset.
15884 (output_die): Pass appropriate section to dw2_asm_output_offset.
15885 (output_compilation_unit_header): Likewise.
15886 (output_pubnames): Likewise.
15887 (output_aranges): Likewise.
15888 (enum dw_val_class): Break dw_val_class_lbl_offset into
15889 dw_val_class_lineptr and dw_val_class_macptr.
15890 (add_AT_lbl_offset): Delete.
15891 (add_AT_lineptr): New.
15892 (add_AT_macptr): New.
15893 (AT_lbl): Expect a lineptr or macptr.
15894 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15895 (attr_checksum): Likewise.
15896 (same_dw_val_p): Likewise.
15897 (size_of_die): Likewise.
15898 (value_format): Likewise.
15899 (output_die): Likewise.
15900 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15902 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15903 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15904 * config/darwin-protos.h (darwin_file_start): New.
15905 (darwin_asm_output_dwarf_offset): New.
15906 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15907 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15909 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15910 if not EH section; simplify.
15911 (darwin_file_start): New.
15912 (darwin_asm_output_dwarf_offset): New.
15913 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15915 (DEBUG_INFO_SECTION): Likewise.
15916 (DEBUG_ABBREV_SECTION): Likewise.
15917 (DEBUG_ARANGES_SECTION): Likewise.
15918 (DEBUG_MACINFO_SECTION): Likewise.
15919 (DEBUG_LINE_SECTION): Likewise.
15920 (DEBUG_LOC_SECTION): Likewise.
15921 (DEBUG_PUBNAMES_SECTION): Likewise.
15922 (DEBUG_STR_SECTION): Likewise.
15923 (DEBUG_RANGES_SECTION): Likewise.
15924 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15925 (ASM_OUTPUT_DWARF_OFFSET): New.
15927 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15929 * config.gcc (tm_defines): Always add to previous value rather
15932 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15934 * config/mips/predicates.md (splittable_const_int_operand): New,
15935 split from move_operand.
15936 (splittable_symbolic_operand): New.
15937 (move_operand): Add commentary. Use splittable_const_int_operand.
15938 Inline mips_atomic_symbolic_constant_p.
15939 * config/mips/mips.md: Add combine splitters for handling moves
15940 of splittable_const_int_operands and splittable_symbolic_operands.
15941 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15942 (mips_split_symbol): Declare.
15943 (mips_move_integer): Declare.
15944 * config/mips/mips.c (mips_split_p): Make global.
15945 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15946 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15947 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15948 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15949 (mips_offset_within_object_p): Handle block symbols.
15950 (mips_atomic_symbolic_constant_p): Delete.
15951 (mips_cannot_force_const_mem): Return false for constants that
15952 mips_legitimize_move can handle.
15953 (mips_use_blocks_for_constant_p): New function.
15954 (mips_split_symbol): Make global.
15955 (mips_move_integer): Likewise. Add a temporary register argument.
15956 (mips_legitimize_const_move): Use splittable_const_int_operand and
15957 splittable_symbolic_operand.
15958 (mips_use_anchors_for_symbol_p): New function.
15959 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15960 (mips_split_p): Declare.
15962 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15964 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15965 (mips*-*-linux*): Likewise.
15967 2006-03-16 Roger Sayle <roger@eyesopen.com>
15968 Daniel Speyer <dspeyer@wam.umd.edu>
15970 PR middle-end/18259
15971 * tree-dump.c (dump_real): New function.
15972 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15973 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15974 (tree-dump.o): Add $(REAL_H) to the dependencies.
15976 2006-03-16 Roger Sayle <roger@eyesopen.com>
15978 PR middle-end/21781
15979 * real.c (real_from_string): If the mantissa is zero, don't bother
15980 parsing the exponent as the result should always be zero.
15982 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15984 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15986 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15988 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15989 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15990 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15991 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15992 ia64_sched_finish_global): New static functions to implement
15993 hooks from gcc_target.sched.
15994 (spec_check_no, max_uid, pending_data_specs): New static variables.
15995 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15996 ia64_spec_check_src_p): New static functions.
15997 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15998 (TARGET_SCHED_ADJUST_COST): Removed.
15999 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16000 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16001 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16002 TARGET_SCHED_GEN_CHECK,
16003 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16004 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16005 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16006 Fixed to handle speculation checks.
16007 (rtx_needs_barrier): Fixed to handle speculative loads and
16009 (ia64_variable_issue): Added code to count speculative loads and their
16011 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16013 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16015 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16017 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16018 (ia64_reorg): Reset stops_p to NULL after it is freed.
16019 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16020 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16021 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
16023 (data_speculative, control_speculative, check_load): New attributes.
16024 (mov<mode>_advanced, mov<mode>_speculative,
16025 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16026 zero_extend<mode>di2_speculative,
16027 zero_extend<mode>di2_speculative_advanced): New patterns for
16028 data and control speculative loads.
16029 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16031 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
16032 New pattern for data and control speculation checks.
16033 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16034 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16035 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16036 Auxiliary definitions for the patterns.
16037 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16038 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16040 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16042 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16043 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16044 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16045 New resource constraints.
16046 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16048 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16049 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16050 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16051 msched-in-control-spec, msched-ldc, msched-control-ldc,
16052 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16053 msched-prefer-non-control-spec-insns,
16054 msched-count-spec-in-critical-path): New flags to tune speculative
16056 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16057 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16058 msched-in-control-spec, msched-ldc, msched-control-ldc,
16059 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16060 msched-prefer-non-control-spec-insns,
16061 msched-count-spec-in-critical-path): Document new flags.
16063 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16065 * target.h (struct spec_info_def): New opaque declaration.
16066 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16067 speculate_insn, needs_block_p, gen_check,
16068 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16069 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16070 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16071 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16072 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16073 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16075 (TARGET_SCHED): Use new macros.
16076 * rtl.h (copy_DEPS_LIST_list): New prototype.
16077 * sched-int.h (struct sched_info): Change signature of new_ready field,
16078 adjust all initializations. New fields: add_remove_insn,
16079 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16080 region_head_or_leaf_p.
16081 (struct spec_info_def): New structure declaration.
16082 (spec_info_t): New typedef.
16083 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16084 recovery_block, orig_pat.
16085 (glat_start, glat_end): New variables declaraions.
16086 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16088 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16089 DETACH_LIFE_INFO, USE_GLAT.
16090 (enum SPEC_SCHED_FLAGS): New enumeration.
16091 (NOTE_NOTE_BB_P): New macro.
16092 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16093 attach_life_info, debug_spec_status, check_reg_live): New functions.
16094 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16095 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16097 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16098 * ddg.c (get_block_head_tail): Adjust all uses.
16099 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16100 (sms_sched_info): Initialize new fields.
16101 (contributes_to_priority): Removed.
16102 * haifa-sched.c (params.h): New include.
16103 (get_block_head_tail): Adjust all uses.
16104 (ISSUE_POINTS): New macro.
16105 (glat_start, glat_end): New global variables.
16106 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16107 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16108 old_last_basic_block, before_recovery, current_sched_info_var,
16109 rgn_n_insns, luid): New static variables.
16110 (insn_cost1): New function. Move logic from insn_cost to here.
16111 (find_insn_reg_weight1): New function. Move logic from
16112 find_insn_reg_weight to here.
16113 (reemit_notes, move_insn, max_issue): Change signature.
16114 (move_insn1): Removed.
16115 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16116 extend_bb): New static functions to support extension of scheduler's
16118 (generate_recovery_code, process_insn_depend_be_in_spec,
16119 begin_speculative_block, add_to_speculative_block,
16120 init_before_recovery, create_recovery_block, create_check_block_twin,
16121 fix_recovery_deps): New static functions to support
16122 generation of recovery code.
16123 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16124 restore_bb_notes, move_block_after_check, move_succs): New static
16125 functions to support ebb scheduling.
16126 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16127 functions to support handling of register live information.
16128 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16129 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16130 add_jump_dependencies): New static functions.
16131 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16132 consistancy checking.
16133 (debug_spec_status): New function to call from debugger.
16134 (priority): Added code to handle speculation checks.
16135 (rank_for_schedule): Added code to distinguish speculative instructions.
16136 (schedule_insn): Added code to handle speculation checks.
16137 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16138 Fixed to handle ebbs.
16139 (move_insn): Added code to handle ebb scheduling.
16140 (max_issue): Added code to use ISSUE_POINTS of instructions.
16141 (choose_ready): Added code to choose between speculative and
16142 non-speculative instructions.
16143 (schedule_block): Added code to handle ebb scheduling and scheduling of
16144 speculative instructions.
16145 (sched_init): Initialize new variables.
16146 (sched_finish): Free new variables. Print statistics.
16147 (try_ready): Added code to handle speculative instructions.
16148 * lists.c (copy_DEPS_LIST_list): New function.
16149 * sched-deps.c (extend_dependency_caches): New function. Move logic
16150 from create_dependency_caches to here.
16151 (get_dep_weak, ds_merge): Make global.
16152 * genattr.c (main): Code to output prototype for
16153 dfa_clear_single_insn_cache.
16154 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16155 (output_dfa_clean_insn_cache_func): Code to output
16156 dfa_clear_single_insn_cache function.
16157 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16159 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16161 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16162 New static variables.
16163 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16164 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16166 (ebb_sched_info): Initialize new fields.
16167 (get_block_head_tail): Adjust all uses.
16168 (compute_jump_reg_dependencies): Fixed to use glat_start.
16169 (schedule_ebb): Code to remove unreachable last block.
16170 (schedule_ebbs): Added code to update register live information.
16171 * sched-rgn.c (region_sched_info): Initialize new fields.
16172 (get_block_head_tail): Adjust all uses.
16173 (last_was_jump): Removed. Adjust users.
16174 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16175 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16176 Implement new hooks.
16177 (check_dead_notes1): New static function.
16178 (struct region): New fields: dont_calc_deps, has_real_ebb.
16179 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16180 (BB_TO_BLOCK): Fixed to handle EBBs.
16181 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16182 (ebb_head): New static variable.
16183 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16184 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16186 (compute_dom_prob_ps): New assertion.
16187 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16188 global_live_at_start.
16189 (init_ready_list): New assertions.
16190 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16191 (new_ready): Add support for BEGIN_CONTROL speculation.
16192 (schedule_insns): Fixed code that updates register live information
16194 (schedule_region): Fixed to handle EBBs.
16195 (init_regions): Use extend_regions and check_dead_notes1.
16196 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16197 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16198 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16199 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16200 TARGET_SCHED_GEN_CHECK,
16201 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16202 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16203 * doc/invoke.texi (max-sched-insn-conflict-delay,
16204 sched-spec-prob-cutoff): Document.
16206 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16208 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16209 inter_tick, queue_index.
16210 (struct sched_info): Change signature of init_ready_list field.
16211 Adjust all initializations.
16212 (RESOLVED_DEPS): New access macro.
16213 (ready_add): Remove prototype.
16214 (try_ready): Add prototype.
16215 * sched-rgn.c (init_ready_list): Use try_ready.
16216 (schedule_region): Initialize
16217 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16218 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16219 (init_ready_list): Use try_ready.
16220 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16221 * lists.c (remove_list_elem): Remove `static'.
16222 (remove_free_INSN_LIST_elem): New function.
16223 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16224 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16225 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16227 (readyp): New variable.
16228 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16229 change_queue_index, resolve_dep): New static functions.
16230 (try_ready): New function. Adjust callers in sched-rgn.c and
16231 sched-ebb.c to use it instead of ready_add.
16232 (clock_var): Move at the begining of file.
16233 (rank_for_schedule): Fix typo.
16234 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16235 (ready_lastpos): Enforce assertion.
16236 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16237 update all callers.
16238 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16239 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16240 (queue_to_ready): Use free_INSN_LIST_list.
16241 (early_queue_to_ready): Fix typo.
16242 (schedule_block): Init readyp. Move init_ready_list call after the
16243 initialization of clock_var. Fix error in rejecting insn by
16244 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16245 that previously corrected INSN_TICKs. Add code for handling
16247 (set_priorities): Fix typo.
16248 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16249 Clarify comment and code that keeps current_sched_info->next_tail
16252 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16254 * sched-rgn.c (extend_rgns): New static function.
16255 (find_rgns): Use it.
16256 (gather_region_statistics, print_region_statistics): New static
16258 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16259 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16261 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16262 Andrey Belevantsev <abel@ispras.ru>
16264 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16265 * lists.c (unused_deps_list): New variable.
16266 (free_list): Add assertions to verify the proper distinguishing
16267 between INSN_LISTs and DEPS_LISTs.
16268 (find_list_elem, remove_list_elem, remove_list_node): New static
16270 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16271 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16272 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16273 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16275 (free_INSN_LIST_node): Likewise.
16276 * modulo-sched.c (current_sched_info): Initialize flags field.
16277 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16278 * rtl.def (DEPS_LIST): Define.
16279 * rtl.h: Declare new functions from lists.c.
16280 * sched-deps.c (spec_dependency_cache): New static variable.
16281 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16282 (add_dependence): Change return type to void. Move the logic to ...
16283 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16284 (delete_all_dependences): Add comment about forward_dependency_cache.
16285 Handle spec_dependency_cache. Handle DEPS_LISTs.
16286 (fixup_sched_groups): Clarify the change of priority of output
16287 and anti dependencies.
16288 (sched_analyze_2): Adjust add_dependence calls to create data
16289 speculative dependence.
16290 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16291 Adjust all callers. Handle DEPS_LISTS.
16292 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16293 presence of speculation.
16294 (init_dependency_caches, free_dependency_caches):
16295 Handle spec_dependency_cache.
16296 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16297 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16298 New static functions.
16299 (add_or_update_back_dep, add_or_update_back_forw_dep,
16300 add_back_forw_dep, delete_back_forw_dep): New functions.
16301 * sched-int.h (ds_t, dw_t): New typedefs.
16302 (struct sched_info): Add new field flags.
16303 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16304 Prototype new sched-deps.c functions.
16305 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16306 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16307 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16308 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16309 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16310 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16312 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16314 * sched-rgn.c (current_sched_info): Initialize flags field.
16315 (schedule_insns): Initialize current_sched_info before the sched_init
16317 * sched-ebb.c (current_sched_info): Initialize flags field.
16318 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16319 Call add_or_update_back_dep instead of add_dependence.
16320 Create control speculative dependencies.
16321 (schedule_insns): Initialize current_sched_info before the sched_init
16324 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16326 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16328 (sh_fallback_frame_state): Likewise.
16330 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16332 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16333 Do switch on default_use_cxa_atexit.
16334 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16335 * config/darwin-crt3.o: New.
16336 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16337 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16338 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16340 * config/rs6000/t-darwin: Move crt2.o building to here.
16341 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16342 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16345 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16347 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16348 from '! xxx' to '!xxx' for coding-style conformance.
16349 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16350 (EXTRA_CONSTRAINT): Likewise.
16351 * config/vax/vax.md (four unnamed insns): Likewise.
16353 2006-03-15 Paul Brook <paul@codesourcery.com>
16355 * config/arm/arm.c (minipool_pad): New.
16356 (add_minipool_forward_ref): Include pool alignment padding in address
16358 (push_minipool_fix): Set minipool_pad.
16359 (minipool_pad): Ditto.
16361 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16363 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16364 instead of GET_CODE() == MEM and REG_P() instead of
16366 (print_operand_address): Likewise.
16367 (vax_address_cost): Likewise.
16368 (vax_rtx_costs): Likewise.
16369 (vax_notice_update_cc): Likewise.
16370 (vax_output_int_add): Likewise.
16371 (INDEX_REGISTER_P): Likewise.
16372 (BASE_REGISTER_P): Likewise.
16373 (nonindexed_address_p): Likewise.
16374 (vax_mode_dependent_address_p): Likewise.
16375 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16376 (PRINT_OPERAND): Likewise.
16377 * config/vax/vax.md (ashlsi3): Likewise.
16378 (ashlsi3): Likewise.
16379 (some more unnamed insns): Likewise.
16381 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16383 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16384 iterator-style macro.
16385 (mark_control_dependent_edges_necessary): Update the use of
16386 EXECUTE_IF_CONTROL_DEPENDENT.
16388 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16390 * config/sh/predicates.md (cache_address_operand): Special.
16391 (ua_address_operand): Likewise.
16393 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16395 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16397 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16399 2006-03-15 Andreas Schwab <schwab@suse.de>
16401 * gensupport.c (identify_predicable_attribute): Don't free p_false
16402 when it is still in use.
16404 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16406 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16407 the default setting here.
16409 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16411 * tree-pass.h (pass_cfg): Remove.
16412 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16413 * passes.c (pass_cfg): Don't run it.
16415 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16417 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16418 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16420 (stack_regs_mentioned): Update the uses of
16421 stack_regs_mentioned_data. Don't access the array beyond its
16423 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16424 Don't include gt-reg-stack.h.
16426 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16427 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16429 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16431 PR middle-end/26684
16432 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16435 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16437 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16439 2006-03-14 Richard Guenther <rguenther@suse.de>
16441 PR tree-optimization/26672
16442 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16445 2006-03-14 Richard Guenther <rguenther@suse.de>
16447 PR tree-optimization/26667
16448 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16449 node for the callees. Always allow inlining if it will shrink
16452 2006-03-14 Richard Guenther <rguenther@suse.de>
16454 PR middle-end/26659
16455 * builtins.c (get_pointer_alignment): Prefer alignment
16456 information from decls over that from types.
16458 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16461 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16463 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16465 * config/rs6000/rs6000.opt (mdlmzb): New option.
16466 (msched-prolog, msched-epilog): Use Var not Mask.
16467 * doc/invoke.texi (-mdlmzb): Document.
16468 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16470 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16471 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16473 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16475 PR rtl-optimization/25739
16476 * bt-load.c (augment_live_range): Free tos pointer.
16478 * gensupport.c (identify_predicable_attribute): Free
16480 * gcov.c (create_file_names): Free name pointer.
16482 2006-03-13 Roger Sayle <roger@eyesopen.com>
16484 PR middle-end/26557
16485 * stmt.c (emit_case_nodes): Handle the case where the index is a
16486 CONST_INT, where the comparison mode is specified by the index type.
16488 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16490 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16493 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16495 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16496 (*branch_fp_inverted): Likewise.
16498 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16500 PR middle-end/25989
16501 * omp-low.c (expand_omp_for_generic): Mark istart0
16502 and iend0 as addressable.
16504 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16506 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16508 2006-03-13 Jeff Law <law@redhat.com>
16510 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16511 virtual operands are interesting.
16512 (vrp_visit_stmt): Corresponding changes.
16514 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16516 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16518 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16519 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16520 * config/bfin/crti.S: Use it instead of __PIC__.
16521 * config/bfin/crtn.S: Likewise.
16523 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16524 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16526 Lose 'G' modifier for call operand.
16527 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16528 recognize 'G' modifier.
16530 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16532 PR middle-end/18859
16533 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16534 * stmt.c (expand_case): Likewise.
16536 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16538 PR rtl-optimization/26254
16539 * loop-invariant.c (seq_insns_valid_p): New function.
16540 (move_invariant_reg): Only emit new code if it is valid.
16542 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16544 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16546 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16547 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16548 (commit_one_edge_insertion): Do not look for loop notes.
16550 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16552 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16553 flag_test_coverage out of loop.
16555 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16557 * final.c (shorten_branches): Remove outdated comment, and turn
16558 the if branch that guards it to continue.
16560 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16562 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16563 * cfgloop.h (struct loop): Remove unused fields.
16565 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16567 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16568 (-dL, -fdump-rtl-loop2): Update the dump file names
16570 * doc/invoke.texi: Update dump file names.
16572 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16574 * predict.c (estimate_probability): Remove.
16575 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16576 * basic-block.h (estimate_probability): Remove prototype.
16577 * passes.c (finish_optimization_passes): Dump branch prediction or
16578 profiling heuristics to the .profile tree dump.
16579 (init_optimization_passes): Unqueue pass_branch_prob.
16581 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16583 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16585 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16586 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16588 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16590 * function.h (frame_offset_overflow): Declare.
16591 * function.c (frame_offset_overflow): New function.
16592 (assign_stack_local_1): Call it to detect that the offset overflows.
16593 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16595 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16597 * config/sh/sh.c: Include alloc-pool.h.
16598 (label_ref_list_pool): New alloc pool.
16599 (label_ref_list_t): New type for lists of labels.
16600 (struct pool_node): Make wend a label_ref_list_t.
16601 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16603 (dump_table): Likewise.
16604 (sh_reorg): Set up the alloc pool before using add_constant and
16605 dump_table, and destroy it when finishing.
16607 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16609 * config/mips/mips.c: Remove redundant comment.
16611 2006-03-10 Jason Merrill <jason@redhat.com>
16614 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16615 the target was declared 'register'.
16617 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16619 * genpreds.c (write_insn_constraint_len): Change definition of
16620 insn_constraint_len to return size_t to match the declaration.
16622 2006-03-10 DJ Delorie <dj@redhat.com>
16624 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16626 (m32c_expand_insv): Fix test for an AND mask.
16628 2006-03-10 Richard Guenther <rguenther@suse.de>
16630 PR middle-end/26565
16631 * builtins.c (get_pointer_alignment): Handle component
16632 references for field alignment.
16634 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16636 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16637 when building with libgloss.
16638 (sh*elf): Implement --without-fp option.
16639 (sh64-superh-linux*): Don't multilib.
16641 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16643 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16645 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16647 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16648 Set it when one of the replacement functions returned true.
16649 Return TODO_cleanup_cfg if cfgchanged is true.
16650 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16652 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16654 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16655 instead of gen_lowpart.
16657 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16659 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16661 (mips_output_order_conditional_branch): Declare.
16662 * config/mips/mips.h (MIPS_BRANCH): New macro.
16663 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16664 for the comparison. Use gen_condjump.
16665 (mips_output_conditional_branch): Rework interface to take the
16666 asm templates for a direct branch and the inverse of a direct branch.
16667 (mips_output_order_conditional_branch): New function.
16668 (mips_builtin_branch_and_move): New function.
16669 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16670 branch condition. Use gen_single_cc as the condition for
16671 __builtin_mips_upper_* or __builtin_mips_lower_*.
16672 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16673 Use VOIDmode for the branch condition.
16674 * config/mips/predicates.md (order_operator): New predicate.
16675 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16676 (branch_fp): Rename to...
16677 (*branch_fp): ...this. Remove mode from comparison operator.
16678 Use new mips_output_conditional_branch interface.
16679 (branch_fp_inverted): Rename to...
16680 (*branch_fp_inverted): ...this and update as for *branch_fp.
16681 (*branch_zero<mode>): Rename to...
16682 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16683 Use mips_output_order_conditional_branch. Only accept ordered
16685 (*branch_zero<mode>_inverted): Rename to...
16686 (*branch_order<mode>_inverted): ...this and update as for
16687 *branch_order<mode>.
16688 (*branch_equality<mode>): Accept zero as the second operand to
16689 the equality operator. Use the new mips_output_conditional_branch
16691 (*branch_equality<mode>_inverted): Likewise.
16692 (condjump): New expander.
16693 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16695 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16696 (bc1any2t, bc1any2f): Likewise.
16697 (single_cc): New expander.
16698 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16700 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16702 * doc/md.texi: Update documentation of MIPS constraints.
16703 * config/mips/constraints.md: New file.
16704 * config/mips/mips.md: Include it.
16705 * config/mips/mips.c (mips_char_to_class): Delete.
16706 (override_options): Don't initialize mips_char_to_class.
16707 * config/mips/mips.h (mips_char_to_class): Delete.
16708 (REG_CLASS_FROM_LETTER): Delete.
16709 (CONST_OK_FOR_LETTER_P): Delete.
16710 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16711 (EXTRA_CONSTRAINT_Y): Delete.
16712 (EXTRA_CONSTRAINT_STR): Delete.
16713 (CONSTRAINT_LEN): Delete.
16714 (EXTRA_MEMORY_CONSTRAINT): Delete.
16716 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16718 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16719 original fn's eh regions.
16721 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16723 * fold-const.c (build_range_check): Make sure to use a valid type to
16724 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16727 (range_predecessor): New static function.
16728 (range_successor): Likewise.
16729 (merge_ranges): Use them to compute predecessors and successors of
16732 2006-03-09 Roger Sayle <roger@eyesopen.com>
16734 PR middle-end/26561
16735 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16736 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16738 2006-03-08 DJ Delorie <dj@redhat.com>
16740 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16741 (addpsi3): Expand to include memory operands. Remove
16742 reload-specific splits.
16743 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16744 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16745 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16746 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16747 (shift1_qi, shift1_hi, insv): New.
16748 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16749 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16750 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16752 * config/m32c/m32c-protos.h: Update as needed.
16753 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16754 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16755 Fail for unrecognized R* constraints.
16756 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16757 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16758 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16760 (m32c_init_libfuncs): New.
16761 (m32c_legitimate_address_p): Add debug wrapper.
16762 (m32c_rtx_costs): New.
16763 (m32c_address_cost): New.
16764 (conversions): Add 'B' prefix.
16765 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16766 operands, or word regnames for QI operands. 'B' prints bit
16768 (m32c_expand_setmemhi): New.
16769 (m32c_expand_movmemhi): New.
16770 (m32c_expand_movstr): New.
16771 (m32c_expand_cmpstr): New.
16772 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16773 (m32c_expand_neg_mulpsi3): Handle non-ints.
16774 (m32c_cmp_flg_0): New.
16775 (m32c_expand_movcc): New.
16776 (m32c_expand_insv): New.
16777 (m32c_scc_pattern): New.
16778 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16779 a0/a1 out of SIregs.
16780 (STORE_FLAG_VALUE): New.
16781 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16784 * config/m32c/mov.md: Make constraints more liberal.
16785 (zero_extendqihi2): Optimize r0/r1 case.
16786 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16787 * config/m32c/predicates.md (m32c_any_operand): New.
16788 (m32c_nonimmediate_operand): New.
16789 (m32c_hl_operand): New.
16790 (m32c_r3_operand): New.
16793 (memsym_operand): New.
16794 (memimmed_operand): New.
16795 (a_qi_operand): New.
16796 (m32c_eqne_operator): New.
16797 (m32c_1bit8_operand): New.
16798 (m32c_1bit16_operand): New.
16799 (m32c_1mask8_operand): New.
16800 (m32c_1mask16_operand): New.
16801 * config/m32c/blkmov.md: New file.
16802 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16804 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16806 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16807 unsigned to fix signed/unsigned comparison issue in
16808 DWARF2_FRAME_REG_OUT.
16809 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16810 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16812 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16813 of ptr into the ENABLE_CHECKING section.
16815 2006-03-08 Jeff Law <law@redhat.com>
16817 * tree-vrp.c (infer_value_range): Only count pointer uses
16818 and dereferences if -fdelete-null-pointer-checks is enabled.
16820 * tree-vrp.c (find_assert_locations): Infer value ranges for
16821 single use pointers, but do not create ASSERT_EXPRs for them.
16822 When a non-null range is inferred for a pointer, backwards
16823 propagate that range to other equivalent pointers through the
16826 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16829 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16830 language hook targets.
16831 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16832 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16833 if language hook targets were missing.
16835 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16837 * tree-ssa-opfinalize.h: Removed.
16838 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16840 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16841 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16842 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16843 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16844 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16845 finalize_ssa_v_must_def_ops): New.
16847 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16849 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16850 block as parameter.
16852 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16854 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16856 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16857 addresses with offsets; reorganize.
16859 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16860 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16861 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16863 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16866 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16868 2006-03-08 Ben Elliston <bje@au.ibm.com>
16870 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16872 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16875 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16878 2006-03-07 Richard Guenther <rguenther@suse.de>
16880 PR tree-optimization/26587
16881 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16883 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16885 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16887 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16889 * hooks.c (hook_bool_mode_rtx_true): New function.
16890 * hooks.h (hook_bool_mode_rtx_true): Declare.
16891 * toplev.c (compile_file): Call output_shared_constant_pool.
16892 * varasm.c (shared_constant_pool): New variable.
16893 (assemble_start_function, assemble_end_function): Remove arguments
16894 from call to output_constant_pool.
16895 (create_constant_pool): New function, split out from...
16896 (init_varasm_status): ...here.
16897 (force_const_mem): Choose between the shared and per-function constant
16898 pools. Set current_function_uses_const_pool when reusing old entries
16899 as well as when creating new ones.
16900 (mark_constant): Ignore data argument.
16901 (mark_constants): Remove pool argument.
16902 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16903 to decide whether the function uses a constant pool.
16904 (output_constant_pool_contents): New function, split out from...
16905 (output_constant_pool): ...here.
16906 (output_shared_constant_pool): New function.
16907 (init_varasm_once): Initialize shared_constant_pool.
16908 * output.h (output_constant_pool): Delete.
16909 (output_shared_constant_pool): Declare.
16910 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16911 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16913 2006-03-06 Nick Clifton <nickc@redhat.com>
16915 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16916 flag_strength_reduce.
16918 2006-03-06 Ben Elliston <bje@au.ibm.com>
16920 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16921 x86_64-*-linux* configurations.
16923 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16924 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16926 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16928 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16930 * basic-block.h: Remove the extern for
16931 rediscover_loops_after_threading.
16933 * cfgloop.c (cancel_loop): Make it static.
16934 * cfgloop.h: Remove the prototype for cancel_loop.
16936 * flow.c (recompute_reg_usage): Make it static.
16937 * rtl.h: Remove the prototype for recompute_reg_usage.
16939 * function.c (use_return_register): Make it static.
16940 * function.h: Remove the prototype.
16942 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16944 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16946 * recog.h: Remove the prototype for
16947 validate_change_maybe_volatile.
16949 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16951 * rtlanal.c (replace_reg): Remove.
16952 * rtl.h: Remove the prototype for replace_reg.
16954 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16956 * regclass.c (reg_scan_update): Remove.
16957 (reg_scan_mark_refs): Remove the last argument.
16958 * rtl.h: Remove the prototype for reg_scan_update.
16960 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16962 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16963 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16964 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16965 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16966 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16967 loop-invariant.c, omp-low.c, opts.c, passes.c,
16968 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16969 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16970 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16971 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16972 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16973 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16975 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16977 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16978 * dwarf2out.h: Remove the prototype for
16979 dwarf2out_add_library_unit_info.
16981 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16983 * tree.c (add_var_to_bind_expr): Remove.
16984 * tree.h: Remove the prototype for add_var_to_bind_expr.
16986 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16988 * regclass.c (n_non_fixed_regs): Remove.
16989 (init_reg_sets_1, globalize_reg): Remove all uses of
16991 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16993 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16995 * rtlanal.c (insns_safe_to_move_p): Remove.
16996 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16998 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17000 * expmed.c (expand_mult_add): Remove.
17001 * expr.h: Remove the prototype for expand_mult_add.
17003 2006-03-04 Jakub Jelinek <jakub@redhat.com>
17005 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17006 and REG_SAVED_VAL_EXP constants.
17007 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17008 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17009 Handle regs stored by value.
17010 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17011 (execute_cfa_program): Handle DW_CFA_val_offset,
17012 DW_CFA_val_offset_sf and DW_CFA_val_expression.
17013 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17014 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17015 (uw_install_context_1): Handle target regs stored by value.
17017 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
17019 * tree-sra.c (tree_sra): Return todoflags;
17020 (generate_one_element): Set TODO_update_smt_usage if needed.
17021 (pass_sra): Remove TODO_update_smt_usage.
17022 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17024 (tree_ssa_forward_propagate_single_use_vars): Return
17025 TODO_update_smt_usage if we need to update SMT usage.
17026 (pass_forwprop): Remove TODO_update_smt_usage.
17028 2006-03-03 Diego Novillo <dnovillo@redhat.com>
17030 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
17031 (correct_use_link): Remove reference to get_stmt_operands.
17032 (update_stmt_operands): Likewise.
17033 (get_modify_expr_operands): New function factored out of
17034 parse_ssa_operands and get_expr_operands.
17035 Try to create V_MUST_DEFs for LHS by default.
17036 (get_expr_operands) <case MODIFY_EXPR>: Call
17037 get_modify_expr_operands.
17038 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17039 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17040 (parse_ssa_operands) <case MODIFY_EXPR>: Call
17041 get_modify_expr_operands.
17043 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
17045 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17046 * tree-flow.h: Remove the prototype for
17047 referenced_var_lookup_if_exists.
17049 2006-03-03 Steve Ellcey <sje@cup.hp.com>
17051 PR rtl-optimization/26345
17053 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17055 2006-03-03 Roger Sayle <roger@eyesopen.com>
17057 PR tree-optimization/26524
17058 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17059 fold_convert to create a constant of the appropriate type.
17061 2006-03-03 Richard Sandiford <richard@codesourcery.com>
17063 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17064 SYMBOL_REF_IN_BLOCK_P.
17065 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17066 of SYMBOL_FLAG_IN_BLOCK.
17067 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17068 instead of SYMBOL_REF_IN_BLOCK_P.
17069 * explow.c (use_anchored_address): Likewise.
17070 * rtl.c (rtx_size): Likewise.
17071 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17072 instead of SYMBOL_FLAG_IN_BLOCK.
17073 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17074 SYMBOL_REF_IN_BLOCK_P.
17075 (assemble_variable): Likewise.
17076 (output_constant_def_contents): Likewise.
17077 (output_constant_pool): Likewise.
17078 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17079 instead of SYMBOL_FLAG_IN_BLOCK.
17080 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17081 SYMBOL_REF_IN_BLOCK_P.
17082 (SYMBOL_REF_BLOCK): Likewise.
17083 (SYMBOL_REF_OFFSET): Likewise.
17084 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17085 SYMBOL_REF_IN_BLOCK_P.
17086 (SYMBOL_FLAG_IN_BLOCK): Replace with...
17087 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17088 (SYMBOL_REF_IN_BLOCK_P): Replace with...
17089 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17091 2006-03-03 Jakub Jelinek <jakub@redhat.com>
17093 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17095 2006-03-02 Roger Sayle <roger@eyesopen.com>
17097 * simplify-rtx.c (simplify_unary_operation): When simplifying
17098 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17099 that we perform the right shift in the appropriate mode, and
17100 then extend or truncate the result to requested mode.
17102 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17104 * gengtype.c (main): Handle double_int type.
17105 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17106 * double-int.c: New file.
17107 * double-int.h: New file.
17108 * system.h: Include doubleint.h.
17109 * Makefile.in (SYSTEM_H): Include double-int.h.
17110 (double-int.o): Add.
17112 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17115 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17118 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17120 * tree-vrp.c (remove_range_assertions): Do not update statements
17123 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17125 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17127 * gcse.c (rest_of_handle_gcse): Ditto.
17128 * except.c (gate_handle_eh): Ditto.
17129 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17130 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17132 2006-03-02 Eric Christopher <echristo@apple.com>
17134 * config/i386/i386.c (machopic_output_stub): Add indirection to
17137 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17141 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17143 Sun Niagara specific optimizations.
17144 * config.gcc: Recognize niagara as target.
17145 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17146 (TARGET_CPU_niagara): Define.
17147 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17148 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17149 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17150 (ASM_CPU_SPEC): Likewise.
17151 (PROCESSOR_NIAGARA): New enum entry.
17152 (REGISTER_MOVE_COST): Handle Niagara.
17153 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17154 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17155 (sparc_override_options): Recognize "niagara", set appropriate
17156 default MASK_* values for it, and align functions to 32-bytes
17157 by default just like ULTRASPARC/ULTRASPARC3.
17158 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17159 (sparc64_initialize_trampoline): Likewise.
17160 (sparc_use_sched_lookahead): Use zero for niagara.
17161 (sparc_issue_rate): Use one for niagara.
17162 * config/sparc/niagara.md: New file.
17163 * config/sparc/sparc.md: Include it.
17164 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17165 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17166 when default cpu is niagara.
17167 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17168 (ASM_CPU_SPEC): Likewise.
17169 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17170 when default cpu is niagara.
17171 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17172 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17173 just like v9/ultrasparc/ultrasparc3.
17174 * doc/invoke.texi: Add documentation for "niagara" and improve
17175 existing documentation for ultrasparc variants.
17177 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17179 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17181 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17183 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17184 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17185 and say that only one is needed.
17186 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17187 * target.h (have_switchable_bss_sections): New hook.
17188 * explow.c (use_anchored_address): Check that the symbol is in a block.
17189 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17190 (bss_noswitch_section): New variables.
17191 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17192 (get_noswitch_section): New function.
17193 (get_block_for_section): Allow SECT to be null.
17194 (unlikely_text_section_p): Use SECTION_STYLE.
17195 (bss_initializer_p): New function.
17196 (get_variable_section): Move earlier in file. Take a new argument,
17197 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17198 Return one of the new *_sections in such cases.
17199 (get_block_for_decl): New function, extracting some logic from
17200 use_blocks_for_decl_p.
17201 (change_symbol_section): Remove in favor of...
17202 (change_symbol_block): ...this new function.
17203 (use_blocks_for_decl_p): Remove checks now performed by
17204 get_block_for_decl.
17205 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17206 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17207 (emit_local, emit_bss, emit_common): ...these new functions.
17208 Return true if the alignment was honored.
17209 (emit_tls_common): New function.
17210 (asm_emit_uninitialised): Delete.
17211 (assemble_variable_noswitch): New function, split out from...
17212 (assemble_variable): ...here. Don't make decisions about common
17213 variables here. Globalize all public decls that go into non-common
17214 sections. Check whether SYMBOL_REF_BLOCK is null.
17215 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17216 (output_constant_pool): Likewise.
17217 (init_varasm_once): Initialize the new section variables.
17218 (have_global_bss_p): New function.
17219 (categorize_decl_for_section): Use bss_initializer_p.
17220 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17221 (place_block_symbol): Assert that the symbol must be in a block.
17222 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17223 (TARGET_INITIALIZER): Include it.
17224 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17225 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17226 (SECTION_MACH_DEP): Bump by two.
17227 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17228 (unnamed_section): Mention SECTION_UNNAMED in comment.
17229 (named_section): Likewise SECTION_NAMED.
17230 (noswitch_section_callback): New type.
17231 (noswitch_section): New structure.
17232 (section): Add a noswitch_section alternative.
17233 (SECTION_STYLE): New macro.
17234 (tls_comm_section, comm_section, lcomm_section): Declare.
17235 (bss_noswitch_section, have_global_bss_p): Declare.
17236 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17237 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17239 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17240 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17243 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17245 * tree-vrp.c (execute_vrp): Return value.
17246 * regrename.c (rest_of_handle_regrename): Ditto.
17247 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17248 * tree-complex.c (tree_lower_complex): Ditto.
17249 (tree_lower_complex_O0): Ditto.
17250 * tracer.c (rest_of_handle_tracer): Ditto.
17251 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17252 * postreload.c (rest_of_handle_postreload): Ditto.
17253 * tree-tailcall.c (execute_tail_recursion): Ditto.
17254 (execute_tail_calls): Ditto.
17255 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17256 * tree.h (init_function_for_compilation): Ditto.
17257 * ipa-cp.c (ipcp_driver): Ditto.
17258 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17259 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17260 * final.c (compute_alignments): Ditto.
17261 (rest_of_handle_final): Ditto.
17262 (rest_of_handle_shorten_branches): Ditto.
17263 (rest_of_clean_state): Ditto.
17264 * omp-low.c (execute_expand_omp): Ditto.
17265 (execute_lower_omp): Ditto.
17266 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17267 * ipa-reference.c (static_execute): Ditto.
17268 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17269 * reorg.c (rest_of_handle_delay_slots): Ditto.
17270 (rest_of_handle_machine_reorg): Ditto.
17271 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17272 * flow.c (recompute_reg_usage): Ditto.
17273 (rest_of_handle_remove_death_notes): Ditto.
17274 (rest_of_handle_life): Ditto.
17275 (rest_of_handle_flow2): Ditto.
17276 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17277 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17278 (do_ssa_store_ccp): Ditto.
17279 (execute_fold_all_builtins): Ditto.
17280 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17281 * modulo-sched.c (rest_of_handle_sms): Ditto.
17282 * ipa-pure-const.c (static_execute): Ditto.
17283 * cse.c (rest_of_handle_cse): Ditto.
17284 (rest_of_handle_cse2): Ditto.
17285 * web.c (rest_of_handle_web): Ditto.
17286 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17287 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17288 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17289 * tree-nrv.c (tree_nrv): Ditto.
17290 (execute_return_slot_opt): Ditto.
17291 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17292 (create_structure_vars): Ditto.
17293 * loop-init.c (rtl_loop_init): Ditto.
17294 (rtl_loop_done): Ditto.
17295 (rtl_move_loop_invariants): Ditto.
17296 (rtl_unswitch): Ditto.
17297 (rtl_unroll_and_peel_loops): Ditto.
17298 (rtl_doloop): Ditto.
17299 * gimple-low.c (lower_function_body): Ditto.
17300 (mark_used_blocks): Ditto.
17301 * tree-ssa-sink.c (execute_sink_code): Ditto.
17302 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17303 (cgraph_early_inlining): Ditto.
17304 * global.c (rest_of_handle_global_alloc): Ditto.
17305 * jump.c (cleanup_barriers): Ditto.
17306 (purge_line_number_notes): Ditto.
17307 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17308 (rest_of_handle_if_after_reload): Ditto.
17309 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17310 (tree_ssa_loop_im): Ditto.
17311 (tree_ssa_loop_unswitch): Ditto.
17312 (tree_vectorize): Ditto.
17313 (tree_linear_transform): Ditto.
17314 (tree_ssa_loop_ivcanon): Ditto.
17315 (tree_ssa_empty_loop): Ditto.
17316 (tree_ssa_loop_bounds): Ditto.
17317 (tree_complete_unroll): Ditto.
17318 (tree_ssa_loop_prefetch): Ditto.
17319 (tree_ssa_loop_ivopts): Ditto.
17320 (tree_ssa_loop_done): Ditto.
17321 * predict.c (tree_estimate_probability): Ditto.
17322 * recog.c (split_all_insns_noflow): Ditto.
17323 (rest_of_handle_peephole2): Ditto.
17324 (rest_of_handle_split_all_insns): Ditto.
17325 * tree-eh.c (lower_eh_constructs): Ditto.
17326 * regmove.c (rest_of_handle_regmove): Ditto.
17327 (rest_of_handle_stack_adjustments): Ditto.
17328 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17329 * function.c (instantiate_virtual_regs): Ditto.
17330 (init_function_for_compilation): Ditto.
17331 (rest_of_handle_check_leaf_regs): Ditto.
17332 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17333 (rest_of_handle_gcse): Ditto.
17334 * ipa-type-escape.c (type_escape_execute): Ditto.
17335 * alias.c (rest_of_handle_cfg): Ditto.
17336 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17337 * profile.c (rest_of_handle_branch_prob): Ditto.
17338 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17339 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17340 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17341 * tree-dfa.c (find_referenced_vars): Ditto.
17342 * except.c (set_nothrow_function_flags): Ditto.
17343 (convert_to_eh_region_ranges): Ditto.
17344 (rest_of_handle_eh): Ditto.
17345 * emit-rtl.c (unshare_all_rtl): Ditto.
17346 (remove_unnecessary_notes): Ditto.
17347 * except.h (set_nothrow_function_flags): Ditto.
17348 (convert_to_eh_region_ranges): Ditto.
17349 * cfgexpand.c (tree_expand_cfg): Ditto.
17350 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17351 * tree-ssa-pre.c (do_pre): Ditto.
17352 (execute_fre): Ditto.
17353 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17354 (rest_of_handle_jump2): Ditto.
17355 * tree-sra.c (tree_sra): Ditto.
17356 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17357 (execute_mudflap_function_decls): Ditto.
17358 * tree-ssa-copy.c (do_copy_prop): Ditto.
17359 (do_store_copy_prop): Ditto.
17360 * ipa-prop.h (ipcp_driver): Ditto.
17361 * cfglayout.c (insn_locators_initialize): Ditto.
17362 * tree-ssa-forwprop.c
17363 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17364 * cfglayout.h (insn_locators_initialize): Ditto.
17365 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17366 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17367 (execute_late_warn_uninitialized): Ditto.
17368 * rtl.h (cleanup_barriers): Ditto.
17369 (split_all_insns_noflow): Ditto.
17370 (purge_line_number_notes): Ditto.
17371 (unshare_all_rtl): Ditto.
17372 (remove_unnecessary_notes): Ditto.
17373 (recompute_reg_usage): Ditto.
17374 (variable_tracking_main): Ditto.
17375 * integrate.c (emit_initial_value_sets): Ditto.
17376 * integrate.h (emit_initial_value_sets): Ditto.
17377 * tree-optimize.c (execute_free_datastructures): Ditto
17378 (execute_free_cfg_annotations): Ditto.
17379 (execute_fixup_cfg): Ditto.
17380 (execute_cleanup_cfg_pre_ipa): Ditto.
17381 (execute_cleanup_cfg_post_optimizing): Ditto.
17382 (execute_init_datastructures): Ditto.
17383 * tree-object-size.c (compute_object_sizes): Ditto.
17384 * combine.c (rest_of_handle_combine): Ditto.
17385 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17386 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17387 (rest_of_handle_reorder_blocks): Ditto.
17388 (rest_of_handle_partition_blocks): Ditto.
17389 * var-tracking.c (variable_tracking_main): Ditto.
17390 * tree-profile.c (tree_profiling): Ditto.
17391 * tree-vect-generic.c (expand_vector_operations): Ditto.
17392 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17393 * sched-rgn.c (rest_of_handle_sched): Ditto.
17394 (rest_of_handle_sched2): Ditto.
17395 * basic-block.h (free_bb_insn): Ditto.
17396 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17397 * tree-cfg.c (execute_build_cfg): Ditto.
17398 (remove_useless_stmts): Ditto.
17399 (split_critical_edges): Ditto.
17400 (execute_warn_function_return): Ditto.
17401 (execute_warn_function_noreturn): Ditto.
17402 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17403 * cfgrtl.c (free_bb_for_insn): Ditto.
17404 * passes.c (execute_one_pass): Run additional
17405 todos returned by execute function.
17406 * tree-pass.h (struct tree_opt_pass): Make execute
17409 2006-03-02 Richard Guenther <rguenther@suse.de>
17411 * tree-ssa-alias.c (find_used_portions): Consider taking
17412 the address as making the variable not write-only.
17414 2006-03-02 Nick Clifton <nickc@redhat.com>
17416 * config.gcc (default_use_cxa_atexit): Extend the description of
17417 this configure variable. Set its default value to "yes" for
17418 Linux, NetBSD and ELF targets on the assumption that they will
17419 use C libraries with the __cxa_atexit function.
17421 2006-03-02 Ben Elliston <bje@au.ibm.com>
17423 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17424 parameter as unused to suppress a build warning.
17426 2006-03-02 Ben Elliston <bje@au.ibm.com>
17428 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17431 2006-03-01 Roger Sayle <roger@eyesopen.com>
17434 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17435 declared name, the weak reference name, and the typeof name.
17436 (__gthrw): Avoid expanding the declared name suffix.
17437 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17439 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17441 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17443 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17444 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17445 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17446 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17447 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17448 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17449 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17450 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17451 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17452 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17453 (DW_END_default, DW_END_big, DW_END_little): New.
17454 (DW_END_lo_user, DW_END_hi_user): Define.
17455 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17456 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17457 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17460 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17462 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17464 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17466 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17468 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17470 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17471 to 'symbol_mem_tag'.
17473 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17476 2006-03-01 Roger Sayle <roger@eyesopen.com>
17478 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17480 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17483 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17484 MACHO_DYNAMIC_NO_PIC_P.
17485 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17487 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17490 * config/darwin-protos.h (darwin_asm_output_anchor):
17492 * config/darwin-sections.def (cstring_section):
17493 Add SECTION_MERGE to the flags.
17494 (literal4_section): Likewise.
17495 (literal8_section): Likewise.
17496 (objc_selector_refs_section): Likewise.
17497 (objc_cls_refs_section): Likewise.
17498 * config/darwin.c (darwin_asm_output_anchor): New
17500 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17502 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17504 Fix PR tree-optimization/26443
17505 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17506 to todo and PROP_tmt_usage to properties_destroyed.
17507 * tree-ssa-ccp.c (pass_ccp): Ditto.
17508 (pass_store_ccp): Ditto.
17509 * tree-ssa-dom.c (pass_dominator): Ditto.
17511 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17513 * tree-ssa-operands.c: Cleanup whitespace.
17514 (get_asm_expr_operands): Move before first invocation.
17515 (get_indirect_ref_operands): Likewise.
17516 (get_tmr_operands): Likewise.
17517 (get_call_expr_operands): Likewise.
17518 (append_def): Likewise.
17519 (append_use): Likewise.
17520 (append_v_may_def): Likewise.
17521 (append_v_must_def): Likewise.
17522 (add_call_clobber_ops): Likewise.
17523 (add_call_read_ops): Likewise.
17524 (add_stmt_operand): Likewise.
17525 (add_virtual_operand): Likewise.
17526 (build_ssa_operands): Likewise.
17528 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17530 PR middle-end/26022
17532 PR middle-end/24437
17533 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17534 with a call expr to ...
17535 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17537 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17539 * tree-vrp.c (extract_range_from_assert): Remove special
17540 handling for types with super-types.
17542 2006-03-01 Ben Elliston <bje@au.ibm.com>
17544 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17545 and powerpc64-*-linux* configurations.
17546 * config/t-dfprules: New file.
17548 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17549 Compile dfp-bit.c from the source directory using -DWIDTH and
17550 $DFP_CFLAGS to control the compilation of that file, rather than
17551 generating width-specific versions in the build directory.
17552 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17553 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17555 2006-02-28 Zack Weinberg <zackw@panix.com>
17557 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17560 2006-02-28 Eric Christopher <echristo@apple.com>
17562 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17563 Set up IN_LIBGCC definition of TARGET_64BIT.
17564 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17566 2006-02-28 Roger Sayle <roger@eyesopen.com>
17568 PR middle-end/14752
17569 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17570 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17571 cases via the construction of "expr != 0".
17573 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17575 * alias.c (alias_invariant, alias_invariant_size): Remove.
17576 (record_base_value): Remove.
17577 (memrefs_conflict_p): Don't look at alias_invariant.
17578 (end_alias_analysis): Don't free it.
17579 * alias.h (record_base_value): Remove prototype.
17581 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17582 Adam Nemet <anemet@caviumnetworks.com>
17584 * rtl.h (truncated_to_mode): Declare it.
17585 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17586 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17587 (RTL_HOOKS_INITIALIZER): Include it.
17588 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17589 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17590 reg_truncated_to_mode.
17591 * rtlanal.c (truncated_to_mode): Define it.
17592 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17594 2006-02-28 Jeff Law <law@redhat.com>
17596 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17597 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17598 the range allowed by TYPE_PRECISION.
17600 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17602 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17604 PR tree-optimization/26419
17605 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17608 2006-02-27 Zack Weinberg <zackw@panix.com>
17610 * doc/md.texi: Fix typo in previous change.
17612 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17616 2006-02-27 Zack Weinberg <zackw@panix.com>
17618 * rtl.def (define_constraint, define_register_constraint)
17619 (define_memory_constraint, define_address_constraint): New MD forms.
17620 * gensupport.c (process_rtx): Put define_constraint etc on the
17622 * genpreds.c (process_define_predicate): Adjust comment. Validate
17623 the name, and call validate_exp to validate the expression.
17624 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17625 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17626 all callers changed.
17627 (validate_exp, needs_variable, struct constraint_data)
17628 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17629 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17630 (const_dbl_constraints, constraint_max_namelen)
17631 (have_register_constraints, have_memory_constraints)
17632 (have_address_constraints, have_address_constraints)
17633 (have_extra_constraints, have_const_int_constraints)
17634 (have_const_dbl_constraints, mangle, add_constraint)
17635 (process_define_constraint, process_define_register_constraint)
17636 (write_enum_constraint_num, write_lookup_constraint)
17637 (write_insn_constraint_len, write_regclass_for_constraint)
17638 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17639 (write_insn_extra_memory_constraint)
17640 (write_insn_extra_address_constraint)
17641 (write_satisfies_constraint_fns): New.
17642 (write_tm_preds_h): If we have new-style constraint definitions,
17643 prototype the functions generated from them, and define the
17644 old constraint interface (still used by generic code) in terms of
17646 (write_insn_preds_c): If we have new-style constraint definitions,
17647 generate all relevant functions from those definitions.
17648 (main): Handle define_constraint etc.
17649 * genoutput.c (struct constraint_data, indep_constraints)
17650 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17651 (mdep_constraint_len): New data structures and functions, defined
17652 #ifdef USE_MD_CONSTRAINTS.
17653 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17654 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17655 use new logic to validate operand constraints against constraint
17657 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17659 * defaults.h: If none of the old-style constraint macros are
17660 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17661 old-style macros; and poison REG_CLASS_FROM_LETTER,
17662 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17664 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17665 * doc/md.texi: Document new constraint-definition mechanism and the
17666 C interface it provides. Remove references to old mechanism
17667 elsewhere in the document.
17668 (Machine Constraints): Use pathnames relative to gcc directory,
17669 i.e. config/ARCH/FILE. Change i386 section to refer to
17670 config/i386/predicates.md; update that section to match docstrings.
17671 * doc/tm.texi: Move all documentation of the old constraint-
17672 definition macros to their own section, clearly mark as obsolete.
17674 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17675 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17677 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17678 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17679 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17680 constraint strings.
17681 (splits and peepholes): Use satisfies_constraint_*.
17682 * config/i386/i386.c (memory_address_length)
17683 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17685 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17687 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17688 scalar operation to be put back into the loop.
17690 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17693 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17694 (extract_cie_info): Handle S flag in augmentation string.
17695 (execute_cfa_program): If context->signal_frame, execute also
17696 fs->pc == context->ra instructions.
17697 (uw_frame_state_for): If context->signal_frame, don't subtract one
17698 from context->ra to find FDE.
17699 (uw_update_context_1): Set context->signal_frame to
17701 (_Unwind_GetIPInfo): New function.
17702 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17703 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17705 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17706 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17707 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17708 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17709 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17710 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17711 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17712 x86_64_fallback_frame_state): Set fs->signal_frame.
17713 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17714 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17715 (frob_update_context): Likewise. Workaround missing S flag in
17716 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17717 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17718 Remove the psw_addr + 1 hack.
17720 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17722 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17723 with aggregates here.
17724 (find_func_aliases): Remove code for &<aggregate> from here.
17726 2006-02-26 Roger Sayle <roger@eyesopen.com>
17728 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17729 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17730 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17731 as (X & C) ne/eq 0.
17733 2006-02-26 Roger Sayle <roger@eyesopen.com>
17735 PR middle-end/19983
17736 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17738 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17740 * opts.c (decode_options): Do not handle flag_strength_reduce.
17741 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17742 and OPT_fstrength_reduce.
17743 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17744 flag_prefetch_loop_arrays for being nonzero.
17745 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17747 (fprefetch-loop-arrays-rtl): Removed.
17748 (flag_prefetch_loop_arrays): Do not specify the value.
17750 * doc/passes.texi: Update documentation of loop optimizer
17752 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17753 -frerun-loop-opt): Remove.
17755 2006-02-26 Richard Guenther <rguenther@suse.de>
17757 PR tree-optimization/26421
17758 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17759 in function calls that are ADDR_EXPRs as using the whole structure.
17761 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17763 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17764 * tree-pass.h (pass_loop_optimize): Remove.
17765 * passes.c (pass_loop_optimize): Never run it.
17766 * toplev.c (backend_init): Don't call init_loop.
17767 * opts.c (flag_loop_optimize_set): Remove.
17768 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17769 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17770 the old RTL loop optimizer when profiling enabled.
17771 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17772 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17773 pre-headers for the sake of the old RTL loop optimizer.
17774 * Makefile.in: Remove all references to loop.o.
17776 * doc/invoke.texi: Remove all references to -floop-optimize
17777 and -frerun-loop-opt.
17779 2006-02-26 Zack Weinberg <zackw@panix.com>
17781 * doc/md.texi (Machine Constraints): Refer to all files with paths
17782 relative to gcc directory (i.e. config/CPU/file). Add missing
17783 @table @code ... @end table to M32C subsection.
17785 2006-02-26 Roger Sayle <roger@eyesopen.com>
17787 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17789 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17791 2006-02-26 Roger Sayle <roger@eyesopen.com>
17792 James A. Morrison <phython@gcc.gnu.org>
17794 PR middle-end/21137
17795 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17796 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17797 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17798 signedness of the shift operation.
17800 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17802 PR tree-optimization/26359
17803 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17805 2006-02-25 Roger Sayle <roger@eyesopen.com>
17807 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17808 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17809 as X == 0, and some symmetry related transformations.
17810 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17812 2006-02-25 Roger Sayle <roger@eyesopen.com>
17814 PR middle-end/23673
17815 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17816 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17817 symmetry related transformations. Fold (X^C1) == C2 as
17820 2006-02-25 Juergen Weigert <jw@suse.de>
17821 Richard Guenther <rguenther@suse.de>
17823 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17825 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17827 * combine.c (gen_lowpart_or_truncate): Call
17828 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17830 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17832 * doc/invoke.texi: Move -fopenmp description to "Options for
17834 Remove reference to -lgomp.
17836 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17838 * doc/install.texi: Require GNU tar version 1.14.
17840 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17842 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17843 * doc/invoke.texi (C++ Dialect Options): Document
17844 -fno-use-cxa-get-exception-ptr.
17845 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17846 * configure: Regenerate.
17847 * c.opt (fuse-cxa-get-exception-ptr): New.
17848 * c-opts.c (c_common_handle_option): Handle
17849 OPT_fuse_cxa_get_exception_ptr.
17850 * c-common.c (flag_use_cxa_atexit): Update documentation.
17851 (flag_use_cxa_get_exception_ptr): New.
17852 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17853 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17855 (C_COMMON_OVERRIDE_OPTIONS): New.
17857 2006-02-24 Roger Sayle <roger@eyesopen.com>
17859 PR middle-end/24952
17860 * combine.c (try_combine): Explicitly check whether GET_CODE is
17861 a SET or a CLOBBER, instead on checking that it isn't a USE.
17863 2006-02-24 Roger Sayle <roger@eyesopen.com>
17865 * fold-const.c (fold_comparison): New subroutine of fold_binary
17866 containing transformations common to both the equality and
17867 ordering relational operators, factored out of fold_binary.
17868 (fold_binary): Separate out the equality operators (EQ_EXPR
17869 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17870 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17871 transformations common to both.
17872 (fold_div_compare): Fix latent bugs in the previously unreachable
17873 LT_EXPR and GE_EXPR cases.
17875 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17877 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17878 decl libname for clog to __clog on AIX.
17880 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17882 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17885 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17886 output traceback table for thunks. Localise rs6000_stack_info call.
17888 2006-02-23 Roger Sayle <roger@eyesopen.com>
17889 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17891 * gthr-posix.h (__gthrw): Fix typo in comment.
17893 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17895 * doc/cpp.texi (Character sets): Document that we do support
17896 input files to be in any character set.
17898 2006-02-23 Jeff Law <law@redhat.com>
17900 * tree.h (PHI_ARG_NONZERO): Remove.
17901 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17902 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17903 node to the new node.
17905 PR tree-optimization/26425
17906 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17907 min/max, then assume its varying.
17909 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17911 PR rtl-optimization/26316
17912 * rtlanal.c (enum may_trap_p_flags): New.
17913 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17914 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17915 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17916 (may_trap_after_code_motion_p): New function.
17917 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17918 (find_invariant_insn): Use may_trap_after_code_motion_p.
17919 * rtl.h (may_trap_after_code_motion_p): Declare.
17921 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17923 * emit-rtl.c (immed_double_const): Cleanup.
17925 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17927 Fix PR tree-optimization/26376
17928 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17931 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17933 PR middle-end/26412
17934 * gimplify.c (omp_add_variable): Guard variable size decl test with
17935 DECL_SIZE (decl) check.
17937 2006-02-23 Richard Guenther <rguenther@suse.de>
17939 PR middle-end/26439
17940 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17941 like aggregate types.
17943 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17945 * configure.ac: Add --with{,out}-long-double-128 configure option.
17946 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17947 * configure: Rebuilt.
17948 * config.in: Rebuilt.
17949 * doc/install.texi (Options specification): Document
17950 --with-long-double-128.
17952 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17953 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17954 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17955 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17957 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17959 * config/s390/s390.c (override_options): Handle
17960 TARGET_DEFAULT_LONG_DOUBLE_128.
17962 * config/alpha/alpha.c (override_options): Handle
17963 TARGET_DEFAULT_LONG_DOUBLE_128.
17965 * config/sparc/sparc.c (sparc_override_options): Handle
17966 TARGET_DEFAULT_LONG_DOUBLE_128.
17968 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17970 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17971 (real-install-headers-tar, real-install-headers-cpio)
17972 (real-install-headers-cp): New targets.
17974 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17976 * tree.h (variable_section): Delete.
17977 * varasm.c (variable_section): Delete.
17979 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17981 * install.texi: Add notes on install.texi2html.
17982 (Building in parallel): Do not use footnotes.
17984 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17987 * doc/install.texi (Configuration): Document --disable-libgomp.
17989 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17991 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17993 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17995 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17996 (vec_extractv2df_0_sse): New.
17998 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
18000 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18001 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18002 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18003 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
18004 to the result of the expression.
18005 (def_cfa_1): Adjust.
18006 (frame_pointer_cfa_offset): Rename to...
18007 (frame_pointer_fb_offset): ... this. Adjust all uses.
18008 (convert_cfa_to_loc_list): Rename to...
18009 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
18010 Pass it on to build_cfa_loc.
18011 (compute_frame_pointer_to_cfa_displacement): Rename to...
18012 (compute_frame_pointer_to_fb_displacement): ... this. New
18013 offset parameter. Use it in computation.
18014 (gen_subprogram_die): Compute cfa_fb_offset with the new
18015 macro, and use it to compute the fb loc list and the
18018 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
18020 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
18021 replaced with register_operand.
18022 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18023 non-DREG is expensive.
18024 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18025 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18028 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
18030 * doc/install.texi2html: Use set -e.
18032 2006-02-21 Richard Sandiford <richard@codesourcery.com>
18034 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18035 (ASM_OUTPUT_SHARED_LOCAL): Delete.
18036 * doc/invoke.texi (-fshared-data): Delete.
18037 * common.opt (fshared-data): Delete.
18038 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18039 (assemble_static_space): Remove #if 0 code.
18040 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18041 (ASM_OUTPUT_SHARED_LOCAL): Poison.
18042 * config/cris/cris.h: Remove FIXME.
18044 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
18046 * doc/sourcebuild.texi (Front End Directory): No more double-colon
18049 2006-02-21 Jakub Jelinek <jakub@redhat.com>
18051 PR middle-end/26379
18052 * combine.c (simplify_shift_const_1): Disable nested shifts
18053 optimization for vector shifts.
18055 2006-02-20 Roger Sayle <roger@eyesopen.com>
18057 PR tree-optimization/26361
18058 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18059 of unsigned integer types.
18061 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
18063 * tree-chrec.c (eq_evolutions_p): New.
18064 * tree-chrec.h (eq_evolutions_p): Declared.
18065 * tree-data-ref.c: Fix formatting.
18066 (datadep_stats, dependence_stats): New.
18068 (print_direction_vector): New.
18069 (dump_data_dependence_relation): Use print_direction_vector.
18070 (object_analysis, create_data_ref): Handle COMPONENT_REF.
18071 (compute_subscript_distance): Static.
18072 (initialize_data_dependence_relation): Static. Get the number
18073 of loops surrounding the references from the callers, and initialize
18074 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
18075 base_object_differ_p analyzers.
18076 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18077 compute_overlap_steps_for_affine_1_2,
18078 analyze_subscript_affine_affine): Count the classified dependences.
18079 Print a message when a test failed.
18080 (can_use_analyze_subscript_affine_affine): New.
18081 (analyze_siv_subscript): Compute the data dependences on symbolic
18082 scevs that verify can_use_analyze_subscript_affine_affine.
18083 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18084 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18085 Handle symbolic scevs.
18086 (analyze_overlapping_iterations): Let symbolic affine scevs to be
18088 (subscript_dependence_tester): Moved...
18089 (build_classic_dist_vector, build_classic_dir_vector): Don't use
18090 lambda_vector_clear on newly allocated vectors. Get nb_loops from
18091 DDR_SIZE_VECT instead of getting it in parameter.
18092 (subscript_dependence_tester): ... here. Take as a parameter
18093 loop_nest_depth. Call build_classic_dist_vector and
18094 build_classic_dir_vector.
18095 (compute_affine_dependence): Update subscript_dependence_tester
18096 parameters. Update datadep_stats counters. Call
18097 compute_subscript_distance.
18098 (compute_self_dependence): Save the dist and dir vectors. Call
18099 compute_subscript_distance.
18100 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18101 (compute_all_dependences): Reorder parameters as they were before
18102 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18103 compute_subscript_distance. Update the use of
18104 compute_affine_dependence and initialize_data_dependence_relation.
18105 (find_data_references_in_loop): Handle COMPONENT_REF.
18106 (compute_data_dependences_for_loop): Initialize dependence_stats.
18107 Don't call build_classic_dist_vector and build_classic_dir_vector.
18108 Update the parameters of initialize_data_dependence_relation and
18109 compute_all_dependences. Print the statistics from datadep_stats.
18110 (analyze_all_data_dependences): Static. Not used until the pass for
18111 checking the data dependences is contributed.
18112 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18113 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18114 (initialize_data_dependence_relation, compute_affine_dependence,
18115 analyze_all_data_dependences, compute_subscript_distance): Removed.
18116 (print_direction_vector): New.
18117 * lambda.h (gcd): ... here.
18118 (lambda_vector_gcd): Moved here from gcd_vector.
18119 * lambda-code.c (gcd, gcd_vector): Removed.
18120 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18121 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18123 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18125 * ipa-type-escape.c: Tidy some comments and white space.
18126 * tree-ssa-operands.c: Likewise.
18128 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18131 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18132 (dump_decl_name): Do not walk the decl tree chains.
18133 * tree-pass.h (TDF_CHAIN): Remove.
18135 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18137 * Makefile.in (C): Remove
18139 (.PHONY): Remove C and PROTO
18141 2006-02-20 Roger Sayle <roger@eyesopen.com>
18143 PR middle-end/26236
18144 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18145 deprecated CHAR_TYPE tree code.
18147 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18149 * configure.ac (target_list): Add install-info, dvi, html.
18150 * configure: Regenerate.
18152 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18153 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18154 treelang/Make-lang.in: Do not use double-colon rules.
18156 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18158 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18159 (TMT_USED_ALONE): New macro.
18160 * tree-pass.h (PROP_tmt_usage): New property.
18161 (TODO_update_tmt_usage): New todo.
18162 * tree-ssa-alias.c (updating_used_alone): New variable.
18163 (recalculate_used_alone): New function.
18164 (compute_may_aliases): Set updating_used_alone, call
18165 recalculate_used_alone.
18166 * tree-sra.c (pass_sra): Note that this pass destroys
18167 PROP_tmt_usage, and add TODO_update_tmt_usage.
18168 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18169 * tree-flow.h (updating_used_alone): Prototype.
18170 (recalculate_used_alone): Ditto.
18171 * passes.c (execute_todo): Add code to set updating_used_alone,
18172 and call recalculate.
18173 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18174 for clobber if used alone, and add assert to verify used_alone
18177 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18179 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18180 for non tls symbols added.
18181 (legitimize_address): Do nothing for PLUS expressions if one of the
18182 addends is a tls symbol reference.
18184 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18188 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18190 * Makefile.in (BOOTSTRAPPING): New.
18191 (quickstrap): New definition if BOOTSTRAPPING=yes.
18193 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18194 * configure.ac: Substitute all_selected_languages with the languages
18195 that were configured. For all the other variables except
18196 lang_specs_files, include all the languages in the tree.
18197 * configure: Regenerate.
18199 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18200 if there is one. Run the commands to run fixincludes in the same
18203 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18204 * doc/install.texi: Document exact conventions for searching target tools.
18205 Document --with-build-time-tools. Document toplevel bootstrap. Document
18206 something more about building an Ada cross-compiler. Don't list GNU Make
18207 requirements which affect all platforms.
18209 2006-02-19 Roger Sayle <roger@eyesopen.com>
18211 PR middle-end/19543
18212 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18213 only equivalent if the have both the same mode and precision.
18215 2006-02-20 Ben Elliston <bje@au.ibm.com>
18217 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18219 2006-02-19 Roger Sayle <roger@eyesopen.com>
18220 Steven Bosscher <stevenb.gcc@gmail.com>
18222 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18223 constant pool references to identify stack mode constants.
18224 * rtlanal.c (constant_pool_constant_p): New predicate to check
18225 whether operand is a floating point constant in the pool.
18226 * rtl.h (constant_pool_constant_p): Prototype here.
18227 * loop.c (scan_loop): Avoid hoisting constants from the constant
18228 pool on STACK_REGS targets.
18229 (load_mems): Likewise.
18230 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18231 loads into x87 registers expensive in terms of register pressure.
18233 2006-02-19 Roger Sayle <roger@eyesopen.com>
18235 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18236 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18238 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18240 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18241 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18243 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18245 * doc/invoke.texi: Document -fipa-pta.
18246 * common.opt: Add ipa-pta option.
18247 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18248 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18249 (do_ds_constraint): Ditto.
18250 (get_constraint_for): Only add to referenced_vars if
18251 referenced_vars exists.
18252 (insert_into_field_list): Rewrite to do this unsorted.
18253 (insert_into_field_list_sorted): Rename old insert_into_field_list
18255 (create_function_info_for): Use insert_into_field_list_sorted.
18256 (create_variable_info_for): Rewrite so it uses unsorted version,
18257 since the field list is sorted.
18258 (intra_create_variable_infos): Only add to referenced_vars if
18259 referenced_vars exists.
18260 (ipa_pta_execute): Init heapvars, and delete when done.
18261 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18263 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18265 * doc/install.texi: Add missing `@samp'.
18267 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18269 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18272 2006-02-18 Mark Wielaard <mark@klomp.org>
18274 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18275 who added new 4.1 features, bug fixes and integration support.
18277 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18280 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18281 MEM for ABI_V4 pic.
18283 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18285 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18286 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18287 (copy_insn_1): Likewise. Don't copy each field individually.
18289 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18291 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18292 * rtl.c (rtx_size): Rename variable to...
18293 (rtx_code_size): ...this.
18294 (rtx_size): New function.
18295 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18296 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18298 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18299 * rtl.h (rtx_code_size): New variable.
18300 (rtx_size): Change from a variable to a function.
18301 (RTX_SIZE): Rename to...
18302 (RTX_CODE_SIZE): ...this.
18305 PR tree-optimization/17106
18306 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18307 (Anchored Addresses): New section.
18308 * doc/invoke.texi (-fsection-anchors): Document.
18309 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18310 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18311 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18312 * hooks.c (hook_bool_mode_rtx_false): New function.
18313 * hooks.h (hook_bool_mode_rtx_false): Declare.
18314 * gengtype.c (create_optional_field): New function.
18315 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18316 SYMBOL_REF_IN_BLOCK_P is true.
18317 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18318 (min_anchor_offset, max_anchor_offset): Likewise.
18319 (use_anchors_for_symbol_p): New hook.
18320 * toplev.c (compile_file): Call output_object_blocks.
18321 (target_supports_section_anchors_p): New function.
18322 (process_options): Check that -fsection-anchors is only used on
18323 targets that support it and when -funit-at-a-time is in effect.
18324 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18325 if the decl doesn't have one.
18326 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18327 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18328 of force_const_mem through use_anchored_address.
18329 (expand_expr_constant): New function.
18330 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18331 calling expand_expr for INDIRECT_REF.
18332 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18333 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18334 * expr.h (use_anchored_address): Declare.
18335 * loop-unroll.c: Don't declare rtx vectors here.
18336 * explow.c: Include output.h.
18337 (validize_mem): Call use_anchored_address.
18338 (use_anchored_address): New function.
18339 * common.opt (-fsection-anchors): New switch.
18340 * varasm.c (object_block_htab, anchor_labelno): New variables.
18341 (hash_section, object_block_entry_eq, object_block_entry_hash)
18342 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18343 (use_blocks_for_decl_p, change_symbol_section): New functions.
18344 (get_variable_section): New function, split out from assemble_variable.
18345 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18346 use_blocks_for_decl_p say so. Use change_symbol_section if the
18347 symbol has already been created.
18348 (assemble_variable_contents): New function, split out from...
18349 (assemble_variable): ...here. Don't output any code for
18350 block symbols; just pass them to place_block_symbol.
18351 Use get_variable_section and assemble_variable_contents.
18352 (get_constant_alignment, get_constant_section, get_constant_size): New
18353 functions, split from output_constant_def_contents.
18354 (build_constant_desc): Create a block symbol if use_object_blocks_p
18355 says so. Or into SYMBOL_REF_FLAGS.
18356 (assemble_constant_contents): New function, split from...
18357 (output_constant_def_contents): ...here. Don't output any code
18358 for block symbols; just pass them to place_section_symbol.
18359 Use get_constant_section and get_constant_alignment.
18360 (force_const_mem): Create a block symbol if use_object_blocks_p and
18361 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18362 (output_constant_pool_1): Add an explicit alignment argument.
18363 Don't switch sections here.
18364 (output_constant_pool): Adjust call to output_constant_pool_1.
18365 Switch sections here instead. Don't output anything for block symbols;
18366 just pass them to place_block_symbol.
18367 (init_varasm_once): Initialize object_block_htab.
18368 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18369 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18370 (place_block_symbol, get_section_anchor, output_object_block)
18371 (output_object_block_htab, output_object_blocks): New functions.
18372 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18373 (TARGET_ASM_OUT): Include it.
18374 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18375 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18376 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18377 (TARGET_INITIALIZER): Include them.
18378 * rtl.c (rtl_check_failed_block_symbol): New function.
18379 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18380 (block_symbol, object_block): New structures.
18381 (rtx_def): Add a block_symbol field to the union.
18382 (BLOCK_SYMBOL_CHECK): New macro.
18383 (rtl_check_failed_block_symbol): Declare.
18384 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18385 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18386 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18387 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18388 * output.h (output_section_symbols): Declare.
18389 (object_block): Name structure.
18390 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18391 (default_use_anchors_for_symbol_p): Declare.
18392 * Makefile.in (RTL_BASE_H): Add vec.h.
18393 (explow.o): Depend on output.h.
18394 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18395 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18396 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18397 (rs6000_use_blocks_for_constant_p): New function.
18399 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18401 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18403 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18406 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18409 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18411 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18415 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18417 PR middle-end/26334
18418 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18419 instead of DECL_REGISTER.
18421 2006-02-18 Olivier Hainque <hainque@adacore.com>
18424 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18426 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18429 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18430 * opth-gen.awk: Handle Var and InverseMask together.
18431 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18432 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18433 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18434 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18436 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18437 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18438 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18439 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18440 LINUX_DYNAMIC_LINKER): Define.
18441 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18442 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18444 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18445 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18446 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18447 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18448 (TARGET_C99_FUNCTIONS): Don't define.
18449 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18450 GLIBC_DYNAMIC_LINKER.
18451 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18452 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18453 GLIBC_DYNAMIC_LINKER64): Define.
18454 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18455 LINUX_DYNAMIC_LINKER64.
18456 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18457 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18458 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18459 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18460 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18461 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18462 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18463 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18464 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18466 and LINUX_DYNAMIC_LINKER32.
18467 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18469 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18470 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18471 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18473 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18474 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18475 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18476 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18477 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18478 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18479 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18480 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18481 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18482 LINUX_DYNAMIC_LINKER): Define.
18483 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18484 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18485 GLIBC_DYNAMIC_LINKER64): Define.
18486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18487 LINUX_DYNAMIC_LINKER64.
18488 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18489 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18490 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18491 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18492 LINUX_DYNAMIC_LINKER): Define.
18493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18494 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18495 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18496 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18497 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18498 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18499 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18500 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18501 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18502 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18503 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18504 * doc/invoke.texi (-muclibc): Remove caveat about supported
18507 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18509 * doc/cpp.texi (__TIMESTAMP__): Document.
18511 2006-02-17 Roger Sayle <roger@eyesopen.com>
18513 PR middle-end/25600
18514 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18515 C is one less than the width of X (and related transformations).
18516 * simplify-rtx.c (simplify_unary_operation_1): Transform
18517 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18518 depending on STORE_FLAG_VALUE, were C is one less then the
18521 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18523 Fix PR tree-optimization/26341
18524 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18525 about NAME_MEMORY_TAG's.
18527 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18530 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18531 with hardware float support, and software float support. Add fcpy
18532 alternative to hardware patterns. Add alternatives to copy between
18533 general and floating-point registers to the 32-bit pattern.
18534 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18535 secondary reload to load a QI or HI mode constant into a floating
18537 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18538 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18540 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18543 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18545 (load_macho_picbase_di): Likewise.
18547 2006-02-16 Jeff Law <law@redhat.com>
18549 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18550 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18551 (ssa_name_nonzero_p): Likewise.
18552 (get_value_range): Return NULL if VRP is not running.
18553 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18554 VRP routines do not discover a range.
18555 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18556 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18557 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18558 (tree_expr_nonnegative_p): Similarly.
18559 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18560 (restore_nonzero_vars_to_original_value): Remove.
18561 (unsafe_associative_fp_binop): Remove.
18562 (tree_ssa_dominator_optimize): Remove initialization and
18563 finalization of nonzero_vars and nonzero_vars_stack.
18564 (dom_opt_initialize_block): No longer push marker on
18565 nonzero_vars_stack.
18566 (dom_opt_finalize_block): No longer call
18567 restore_nonzero_vars_to_original_value.
18568 (record_equivalences_from_phis): No longer look for
18569 nonzero PHI arguments.
18570 (cprop_into_successor_phis): No longer propagate nonzero
18571 property into PHI arguments. Lose unused argument. Caller
18573 (record_equivalences_from_stmt): No longer record nonzero
18574 values for SSA_NAMEs.
18575 (lookup_avail_expr): No longer use nonzero_vars.
18577 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18578 for sizetype when sizetype is unsigned.
18580 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18582 PR rtl-optimization/25603
18583 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18584 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18585 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18586 with new meaning of SETS.
18588 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18593 * config/linux.opt: New file.
18594 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18595 LINUX_DYNAMIC_LINKER): Define.
18596 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18597 * config.gcc (*-*-linux*): Define extra_options.
18598 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18599 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18600 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18601 GLIBC_DYNAMIC_LINKER.
18602 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18603 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18604 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18606 * doc/invoke.texi (GNU/Linux Options): New section.
18608 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18610 * config/sparc/sparc.md (setjmp): Rewrite.
18611 (setjmp_32): Delete.
18612 (setjmp_64): Likewise.
18614 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18616 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18619 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18621 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18624 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18626 PR rtl-optimization/26296
18627 * Makefile.in (loop-invariant.c): Add except.h dependency.
18628 * loop-invariant.c: Include except.h.
18629 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18631 2005-02-16 Paul Brook <paul@codesourcery.com>
18633 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18636 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18638 PR rtl-optimization/25636
18639 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18640 when deciding whether an insn is an initializing insn.
18642 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18644 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18645 (tree_code_size): Ditto.
18646 * tree.h (struct tree_memory_tag): Remove parent_var.
18647 (struct tree_struct_field_tag): New.
18650 (union tree_node): Add sft member.
18651 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18653 (create_sft): Add size and offset argument, set SFT_OFFSET and
18655 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18656 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18657 * tree-flow-inline.h (get_subvar_at): Update for
18658 SFT_OFFSET/SFT_SIZE.
18659 (var_can_have_subvars): Ditto.
18660 (overlap_subvar): Ditto.
18661 * print-tree.c (print_node): Print out interesting things for
18663 * tree-flow.h (struct subvar): Remove offset and size members.
18664 * tree-ssa-operands.c (get_expr_operands): Update for
18665 get_indirect_ref_operands changes.
18666 (get_indirect_ref_operands): Call add_virtual_operand instead of
18667 add_stmt_operand. Only recurse on base var if requested.
18668 (access_can_touch_variable): New function.
18669 (add_stmt_operand): Split virtual operand handling into ...
18670 (add_virtual_operand): Here. Add offset, size, and for_clobber
18671 arguments. Prune alias sets.
18672 (add_call_clobber_ops): Call add_virtual_operand.
18674 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18676 PR middle-end/26300
18677 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18679 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18680 than TREE_CODE as index into omp_clause_num_ops array.
18682 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18684 PR rtl-optimization/26184
18685 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18687 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18688 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18689 must_precede, must_follow and tobe_scheduled.
18692 * opts.c (common_handle_option): Free new_option pointer.
18693 * df-core.c (df_analyze): Free postorder pointer.
18695 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18697 * Makefile.in: Fix the examples about the use of stamps
18699 2006-02-15 Michael Matz <matz@suse.de>
18701 PR middle-end/22275
18703 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18704 influenced by maximum_field_alignment or DECL_PACKED.
18705 (update_alignment_for_field): Ditto.
18706 (place_field): Ditto.
18707 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18710 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18712 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18713 (debug_flow_info): Pass it.
18714 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18715 * bb-reorder.c (reorder_basic_blocks): Likewise.
18716 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18717 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18718 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18719 * gcse.c (gcse_main, bypass_jumps): Likewise.
18720 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18721 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18722 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18723 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18724 * rtl.h (dump_flow_info): Adjust prototype.
18725 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18726 * var-tracking.c (variable_tracking_main): Likewise.
18727 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18728 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18731 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18733 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18736 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18738 PR tree-optimization/26209
18739 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18740 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18742 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18744 2006-02-14 Roger Sayle <roger@eyesopen.com>
18746 PR middle-end/23670
18747 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18748 (X,Y) and the corresponding symmetry related transformations.
18749 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18750 (X,Y) and its symmetry related transformations.
18752 2006-02-14 Roger Sayle <roger@eyesopen.com>
18754 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18757 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18759 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18761 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18764 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18765 support COMDAT group.
18766 * configure: Regenerate.
18768 2006-02-14 Roger Sayle <roger@eyesopen.com>
18770 PR middle-end/26279
18771 PR middle-end/26280
18772 PR middle-end/26283
18773 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18775 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18777 Fix PR tree-optimization/26260
18779 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18781 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18782 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18783 * tree-ssa-structalias.c (create_variable_info_for): Use
18784 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18786 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18788 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18790 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18791 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18792 of the ending condition.
18793 * tree-ssa-loop-manip.c: Include params.h.
18794 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18795 tree_unroll_loop): New functions.
18796 * tree-pass.h (pass_loop_prefetch): Declare.
18797 * loop.c (rest_of_handle_loop_optimize): Test for
18798 -fprefetch-loop-arrays-rtl.
18799 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18800 * timevar.def (TV_TREE_PREFETCH): New timevar.
18801 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18802 pass_loop_prefetch): New.
18803 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18804 (cleanup_tree_cfg_loop): Call scev_reset.
18805 * common.opt (fprefetch-loop-arrays-rtl): Add.
18806 * tree-ssa-loop-prefetch.c: New file.
18807 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18808 (new_temp_expr_table): Initialize expr_vars.
18809 (free_temp_expr_table): Cleanup expr_vars.
18810 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18811 expressions from being merged into one.
18812 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18813 (struct tree_niter_desc): Add control, bound and cmp fields.
18814 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18816 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18817 (tree-cfgcleanup.o): Add SCEV_H dependency.
18818 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18819 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18821 2006-02-14 Richard Guenther <rguenther@suse.de>
18823 PR tree-optimization/26258
18824 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18825 in PHI argument processing.
18827 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18829 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18830 new expression in the requested machine mode.
18832 2006-02-13 Roger Sayle <roger@eyesopen.com>
18834 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18835 directly, instead let do_compare_rtx_and_jump handle this for us.
18836 * expr.c (expand_expr_real_1): Likewise.
18837 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18838 before do_jump_by_parts_greater.
18839 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18840 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18842 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18844 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18846 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18848 PR rtl-optimization/26235
18849 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18850 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18853 2006-02-13 Jeff Law <law@redhat.com>
18855 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18858 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18860 PR middle-end/26092
18861 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18862 twice if decl is a builtin. When trying again, call get_callee_fndecl
18863 first to verify it is still a builtin.
18865 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18867 * dwarf2out.c (base_type_die): Don't add AT_name here.
18868 (subrange_type_die): Don't add AT_name here.
18869 (modified_type_die): Rearrange code flow. Do add AT_name here.
18871 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18873 PR rtl-optimization/26247
18874 PR rtl-optimization/26248
18875 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18877 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18879 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18880 * config/fixtfdi.c: Likewise.
18881 * config/fixunstfdi.c: Likewise.
18882 * config/floatditf.c: Likewise.
18884 2006-02-13 Roger Sayle <roger@eyesopen.com>
18886 PR middle-end/24427
18887 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18888 into (X,C2) if C1 is a subset of the bits of C2. Transform
18889 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18891 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18893 2006-02-13 Josh Conner <jconner@apple.com>
18896 * varasm.c (function_section): Check for section name before
18897 calling select_section on targets that define
18898 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18899 unlikely_text_section instead of hot_function_section if
18900 first_function_block_is_cold.
18902 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18904 PR middle-end/25335
18905 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18907 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18909 PR rtl-optimization/26222
18910 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18911 after tree->rtl expansion.
18912 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18913 before passing it to emit_move_insn.
18915 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18917 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18919 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18920 Clarify documentation.
18921 * c-common.h (warn_write_strings): Remove.
18922 * c-common.c (warn_write_strings): Likewise.
18923 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18926 2006-02-12 Roger Sayle <roger@eyesopen.com>
18928 PR middle-end/25724
18929 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18930 (do_jump_parts_zero_rtx): New function renamed from
18931 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18932 (do_jump_parts_equality_rtx): New function split out from
18933 do_jump_parts_equality. Old implementation renamed as above.
18934 Call do_jump_parts_zero_rtx if either operand is zero.
18935 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18936 do all of the heavy lifting.
18937 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18938 calling either do_jump_by_parts_greater_rtx or
18939 do_jump_by_parts_equality_rtx.
18940 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18941 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18942 moved to do_compare_rtx_and_jump, call it directly.
18943 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18944 mode argument. Call do_compare_rtx_and_jump.
18945 (emit_case_nodes): Update calls to do_jump_if_equal.
18947 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18949 PR rtl-optimization/26225
18950 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18952 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18954 PR rtl-optimization/26232
18955 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18957 2006-02-11 Jason Merrill <jason@redhat.com>
18960 * tree-inline.c (declare_return_variable): Just don't use the
18961 modify target if it's a gimple complex reg and the return slot
18964 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18966 * doc/contrib.texi: Update my entry.
18968 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18970 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18972 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18974 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18977 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18979 * doc/invoke.texi (-floop-optimize2): Removed.
18980 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18981 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18982 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18983 * common.opt (floop-optimize2): Removed.
18984 (fmove-loop-invariants): Enabled by default.
18986 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18988 * tree-if-conv.c (combine_blocks): Free the result of
18989 get_loop_exit_edges.
18991 2006-02-10 Jeff Law <law@redhat.com>
18993 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18995 PR tree-optimization/26213
18996 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18997 loop trying to follow SSA_NAME_VALUE chains.
18999 2006-02-10 Richard Guenther <rguenther@suse.de>
19001 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19002 deal with structures that end in implicitly variable sized arrays.
19004 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19006 PR rtl-optimization/24762
19007 * df-scan.c (df_bb_refs_record): Record correct registers defined on
19010 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19012 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19013 (struct ivopts_data): Add regs_used field.
19014 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19015 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19016 instead of loop_data->regs_used;
19017 (free_loop_data): Do not free aux fields for loops.
19018 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19019 and tree_ssa_iv_optimize_finalize.
19021 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
19023 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19025 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19028 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19029 computing the effective result type.
19031 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19033 PR inline-asm/16194
19034 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19035 (tree_overlaps_hard_reg_set): Declare.
19036 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
19037 type and signature to match function type expected by walk_tree.
19038 (tree_overlaps_hard_reg_set): New function.
19039 (decl_conflicts_with_clobbers_p): Rename to:
19040 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
19041 Use tree_overlaps_hard_reg_set. Changed caller.
19042 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19043 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19044 * cris.c (cris_md_asm_clobbers): Likewise.
19046 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
19048 * reload1.c (emit_input_reload_insns): Delete code that tries to
19049 inherit using find_equiv_reg.
19051 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
19053 * c-common.h (flag_const_strings): Don't declare.
19054 * c-common.c (flag_const_strings): Remove.
19055 * c.opt (fconst_strings): Remove.
19056 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19057 <OPT_Wwrite_strings>: Don't set flag_const_strings.
19058 (c_common_init_options): Don't set flag_const_strings.
19059 * doc/invoke.texi (-fno-const-strings): Remove documentation.
19061 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
19063 * arm.md (tlobits_cbranch): New pattern.
19064 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19065 testing a single bit.
19067 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19070 * tree-ssa-pre.c (create_component_ref_by_pieces):
19071 Handle RETURN_DECL like VAR_DECL.
19073 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19075 PR middle-end/26134
19076 * fold-const.c (fold_indirect_ref_1): Fold
19077 "*(foo *)&complexfoo" to "__real__ complexfoo"
19078 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19080 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19082 * tree-flow-inline.h (var_can_have_subvars):
19083 Volatile variables should not have subvariables.
19085 2006-02-09 Diego Novillo <dnovillo@redhat.com>
19088 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19089 multiplying unsigned values.
19092 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
19094 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19096 2006-02-08 Jason Merrill <jason@redhat.com>
19099 * tree.def: Elaborate on difference from MODIFY_EXPR.
19100 * doc/c-tree.texi (INIT_EXPR): Likewise.
19101 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19102 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19103 (gimplify_target_expr): Likewise.
19104 (gimplify_cond_expr): Remove target handling.
19105 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19106 (gimplify_expr): Clobber it here.
19107 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19108 Do return slot optimization if we have an INIT_EXPR.
19111 * tree-inline.c (declare_return_variable): Also clear
19112 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19115 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19117 PR middle-end/22439
19118 * gimplify.c (gimplify_one_sizepos): Fix typo.
19120 2006-02-08 Jeff Law <law@redhat.com>
19122 PR tree-optimization/21417
19123 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19124 across a backedge if the control statement at the end of the
19125 block is data dependent on other statements in the same block.
19126 (record_temporary_equivalences_from_stmts): Remove over-conservative
19127 test for threading across backedges.
19129 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19130 control statement, handle all three special cases in the same
19131 manner as they all have the same desired solution. No longer
19132 special case edge flag updating when the post dominator is
19135 2006-02-08 Roger Sayle <roger@eyesopen.com>
19137 * tree.def (CHAR_TYPE): Remove.
19138 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19139 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19140 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19141 (gen_string_type_die): Delete unreachable function.
19143 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19144 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19145 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19146 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19147 * builtins.c (type_to_class): Likewise.
19148 * fold-const.c (fold_convert, build_range_check,
19149 merge_ranges): Likewise.
19150 * expr.c (count_type_elements): Likewise.
19151 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19152 * stor-layout.c (layout_type): Likewise.
19153 * ipa-type-escape.c (type_to_consider): Likewise.
19154 * gimplify.c (omp_firstprivatize_type_sizes,
19155 gimplify_type_sizes): Likewise.
19156 * explow.c (promote_mode): Likewise.
19157 * tree-sra.c (is_sra_scalar_type): Likewise.
19158 * varasm.c (output_constant): Likewise.
19159 * tree-inline.c (remap_type_1): Likewise.
19160 * convert.c (convert_to_pointer, convert_to_real,
19161 convert_to_integer, convert_to_complex): Likewise.
19163 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19165 * df-scan.c (df_def_record_1): A set destination may
19166 be a parallel regardless of mode.
19168 2006-02-08 Roger Sayle <roger@eyesopen.com>
19171 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19172 * config/mips/_tilib.c: Remove.
19173 * config/fixtfdi.c: New libgcc source file.
19174 * config/fixunstfdi.c: New source file.
19175 * config/floatditf.c: New source file.
19176 * config/floatunditf.c: New souce file.
19177 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19178 files above instead of config/mips/_tilib.c.
19179 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19181 2006-02-08 Jeff Law <law@redhat.com>
19183 PR tree-optimization/26169
19184 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19187 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19189 * df.h (DF_REG_SIZE): Return the length of the initialized
19192 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19194 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19195 __muldf3): Return a correctly signed zero.
19197 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19199 * passes.c (register_one_dump_file): Accept the current properties
19200 instead of pass number. Adjust call to dump_register. Remove
19202 (register_dump_files): Now a wrapper around...
19203 (register_dump_files_1): ... this one. Do not modify the pass
19205 (next_pass_1): Cosmetic fix.
19206 (execute_todo): Keep second parameter only. Use curr_properties
19207 instead of fetching it from the pass structure. Check and set
19209 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19210 instead of fetching it from the pass structure. Fix calls to
19211 execute_todo. Update curr_properties and initialize .vcg RTL dump
19212 after running the pass. Reset last_verified.
19213 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19215 (FIRST_AUTO_NUMBERED_DUMP): New.
19216 (dump_register): Remove "num" parameter, assign it within the
19218 (get_dump_file_name): Modify template for dumps.
19219 * tree-dump.h (dump_register): Adjust prototype.
19220 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19221 (PROP_trees): Add PROP_gimple_lomp.
19222 (TODO_set_props): New.
19223 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19224 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19225 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19227 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19229 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19230 (sparc64-*-linux*): Likewise.
19231 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19232 * config/sparc/t-linux: New file.
19233 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19234 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19235 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19236 -m32 -mlong-double-128.
19238 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19239 * config/alpha/t-linux: New file.
19240 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19242 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19243 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19244 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19245 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19246 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19247 (CPP_ARCH32_SPEC): Remove.
19249 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19251 PR tree-optimization/26145
19252 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19255 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19258 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19259 >= 240000 when generating code for SOM runtime.
19260 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19261 to $$dyncall when generating code for SOM runtime..
19263 2006-02-07 Dirk Mueller <dmueller@suse.com>
19266 * doc/invoke.texi (-Wsequence-point): Update documentation
19267 that -Wsequence-point is implemented for C++ as well.
19269 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19271 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19272 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19273 (LIB_SPEC): Likewise.
19274 * doc/invoke.texi (SPARC options): Document -pthread.
19276 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19278 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19281 2006-02-07 Roger Sayle <roger@eyesopen.com>
19283 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19284 Correct comment describing BOOLEAN_TYPE.
19286 2006-02-07 Dirk Mueller <dmueller@suse.com>
19288 * c.opt: C++ frontend supports -Wdiv-by-zero.
19289 * c-opts.c (c_common_handle_option): Remove dead case.
19291 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19293 * configure.ac (TLS assembler check): Do not enable TLS by
19294 default on SPARC/Solaris before version 10.
19295 * configure: Regenerate.
19297 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19299 * doc/invoke.texi (xl-compat): Document conversion and support
19302 2006-02-07 Jeff Law <law@redhat.com>
19304 * tree-vrp.c (find_conditional_asserts): Update comments.
19305 (simplify_stmt_for_jump_threading): New.
19306 (identify_jump_threads, finalize_jump_threads): New.
19307 (vrp_finalize): Call identify_jump_threads.
19308 (execute_vrp): Call finalize_jump_threads.
19309 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19310 (vrp_element, vrp_data, vrp_element_p): Remove.
19311 (vrp_hash_elt, vrp_variables_stack): Remove.
19312 (vrp_hash, vrp_eq, record_range): Remove.
19313 (simplify_cond_and_lookup_avail_expr): Remove.
19314 (extract_range_from_cond): Remove.
19315 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19316 (simplify_stmt_for_jump_threading): New.
19317 (dom_thread_across_edge): New wrapper.
19318 (tree_ssa_dominator_optimize): No longer initialize or
19319 finalize any of the VRP datastructures. Remove iteration
19320 step and simplify as a result of removal of iteration step.
19321 (pass_dominator): Perform a cfg cleanup after DOM.
19322 (dom_opt_finalize_block): Use the new common routines
19323 for threading jumps. Simplify stack management slightly.
19324 No longer need to unwind VRP state.
19325 (record_equivalences_from_incoming_edge): No longer record
19327 (eliminate_redundant_computations): No longer call
19328 simplify_cond_and_lookup_avail_expr.
19329 * tree-flow.h (potentially_threadable_block): Prototype.
19330 (thread_across_edge): Likewise.
19331 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19332 (tree-ssa-threadedge.o): Add dependencies.
19333 * tree-ssa-threadedge.c: New file.
19334 * passes.c (init_optimization_passes): Merge PHIs before
19335 calling VRP. Run VRP again late in the SSA optimization pipeline.
19337 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19339 * df-core.c (df_set_blocks): Do not dereference function pointers.
19340 (df_finish1): Likewise.
19341 (df_hybrid_search_forward): Likewise.
19342 (df_hybrid_search_backward): Likewise.
19343 (df_iterative_dataflow): Likewise.
19344 (df_analyze_problem): Likewise.
19345 (df_compact_blocks): Likewise.
19346 (df_dump): Likewise.
19347 * df-scan.c (df_rescan_blocks): Likewise.
19348 (df_record_entry_block_defs): Likewise.
19350 * genconditions.c (write_conditions): Guard the definition of
19351 'insn_conditions' with the check on GCC version.
19352 (write_writer): Guard the traversal 'insn_conditions' with
19353 the check on GCC version.
19355 2006-02-07 Richard Guenther <rguenther@suse.de>
19359 2006-01-30 Richard Guenther <rguenther@suse.de>
19361 * gimplify.c (gimplify_target_expr): Handle easy cases
19362 without creating a temporary.
19364 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19366 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19367 use of float in probability computations. Use edge probabilities
19368 in place of statically computed probabilities.
19369 (min_spec_prob): New static variable.
19370 (schedule_insns): Initialize it.
19371 (GET_SRC_PROB): Removed.
19372 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19374 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19377 * config/ia64/unwind-ia64.c: Revert last change.
19378 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19379 (INCOMING_FRAME_SP_OFFSET): Define.
19381 2006-02-06 Roger Sayle <roger@eyesopen.com>
19383 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19385 2006-02-07 Ben Elliston <bje@au.ibm.com>
19387 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19388 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19389 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19390 (ix86_return_in_memory): Handle TDmode.
19391 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19392 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19394 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19396 * reorg.c (dbr_schedule): Use dump_file instead of file.
19398 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19401 * config/ia64/predicates.md (extr_len_operand): New predicate.
19402 * config/ia64/ia64.md (extv): Tighten constraints.
19404 (*tbit_and_2): Ditto.
19405 (*tbit_and_3): Ditto.
19406 (*tbit_or_2): Ditto.
19407 (*tbit_or_3): Ditto.
19408 (*bit_zero): Ditto.
19411 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19414 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19416 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19418 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19419 loop_optimizer_init and loop_optimizer_finalize
19420 * tree-ssa-sink.c (execute_sink_code): Ditto.
19421 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19422 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19423 tree_ssa_loop_done): Ditto.
19424 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19425 * sched-ebb.c: Include output.h.
19426 (schedule_ebbs): Do not use dump argument.
19427 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19428 * loop.c (loop_dump_stream): Removed.
19429 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19431 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19432 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19433 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19434 loop_iterations, strength_reduce, record_biv, record_giv,
19435 final_giv_value, check_final_value, check_ext_dependent_givs,
19436 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19437 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19438 dump_file instead of loop_dump_stream.
19439 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19440 argument dump_file.
19441 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19443 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19444 * haifa-sched.c: Include output.h
19445 (schedule_insns, sched_init): Do not use dump argument.
19446 * mode-switching.c (optimize_mode_switching): Ditto.
19447 * modulo-sched.c (stats_file): Removed.
19448 (print_node_sched_params): Do not call argument dump_file.
19449 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19450 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19452 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19454 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19455 rtl_loop_init, rtl_loop_done): Ditto.
19456 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19457 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19459 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19460 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19461 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19462 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19463 * emit-rtl.c (renumber_insns): Ditto.
19464 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19465 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19466 * regclass.c (regclass): Ditto.
19467 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19468 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19469 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19470 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19472 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19473 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19475 * gcse.c (gcse_file, debug_stderr): Removed.
19476 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19477 rest_of_handle_gcse): Do not use dump argument.
19478 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19479 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19480 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19481 compute_code_hoist_vbeinout, compute_code_hoist_data,
19482 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19483 compute_store_table, build_store_vectors, insert_insn_start_bb,
19484 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19485 store_motion): Use dump_file instead of gcse_file.
19486 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19487 * profile.c (profile_dump_file): Removed.
19488 (branch_prob): Use dump_file instead of profile_dump_file.
19489 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19491 * tree-ssa-copy.c (dump_copy_of): Ditto.
19492 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19493 dump file to life_analysis.
19494 * bt-load.c (branch_target_load_optimize): Ditto.
19495 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19497 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19498 regclass, dbr_schedule): Declaration changed.
19499 * sched-int.h (sched_init): Declaration changed.
19500 * tree-profile.c (tree_profile_dump_file): Removed.
19501 (tree_profile_hooks): Removed profile_dump_file hook.
19502 * rtl-profile (rtl_profile_dump_file): Removed.
19503 (rtl_profile_hooks): emoved profile_dump_file hook.
19504 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19506 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19507 * tree-cfg.c (build_tree_cfg): Ditto.
19508 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19509 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19510 Declaration changed.
19511 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19512 life_analysis and schedule_insns.
19513 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19515 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19517 * config/mips/mips.c (mips_reorg): Ditto.
19518 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19521 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19523 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19524 (s390_mangle_fundamental_type): New.
19525 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19528 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19529 (alpha_mangle_fundamental_type): New.
19530 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19533 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19535 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19537 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19538 (sparc_mangle_fundamental_type): New.
19540 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19542 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19543 (s390x-*-linux*): Likewise.
19544 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19545 * config/s390/t-linux: New file.
19547 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19549 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19550 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19552 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19554 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19555 (ANTIC_SAFE_LOADS): New macro.
19556 (find_or_generate_expression): Add prototype.
19557 (set_contains_value): Allow null set for sake of not always having
19558 to allocate ANTIC_SAFE_LOADS.
19559 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19560 Allow COMPONENT_REF too.
19561 (valid_in_set): Allow COMPONENT_REF.
19562 Check ANTIC_SAFE_LOADS too.
19563 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19564 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19566 (can_PRE_operation): Add COMPONENT_REF.
19567 (create_component_ref_by_pieces): New function.
19568 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19569 (insert_aux): Move AGGREGATE_TYPE_P check here.
19570 (compute_avail): Set bb local stmt uids.
19571 (pass_pre): Use TODO_update_ssa_only_virtuals.
19573 2006-02-06 Ben Elliston <bje@au.ibm.com>
19575 * configure.ac: Unconditionally disable decimal float by default.
19576 * configure: Regenerate.
19578 2006-02-06 Ben Elliston <bje@au.ibm.com>
19580 * read-rtl.c (read_name): Terminate reading on EOF.
19582 2006-02-06 Ben Elliston <bje@au.ibm.com>
19584 * dfp.c (decimal_real_arithmetic): Change second argument type
19585 from int to enum tree_code. Do not always return true, but now
19586 return result of any call to decimal_do helper functions.
19587 * dfp.h (decimal_real_arithmetic): Update prototype.
19589 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19591 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19593 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19596 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19599 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19601 * tree-vrp.c (cfg_loops): Removed.
19602 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19603 Use current_loops instead of cfg_loops. Pass flags to
19604 loop_optimizer_init.
19605 * cfgloopmanip.c (fix_loop_structure): Update only available
19607 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19608 loop_optimizer_init.
19609 * modulo-sched.c (build_loops_structure): Removed.
19610 (sms_schedule): Use loop_optimizer_init.
19611 * loop-init.c (loop_optimizer_init): Use flags to determine
19612 which properties of loops to prepare.
19613 (rtl_loop_init): Pass flags to loop_optimizer_init.
19614 * tree-ssa-sink.c (execute_sink_code): Ditto.
19615 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19616 * tree-ssa-pre.c (init_pre): Ditto.
19617 * cfgloop.h (LOOPS_NORMAL): New.
19618 (loop_optimizer_init): Declaration changed.
19620 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19622 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19623 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19625 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19627 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19629 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19630 * pa/t-pa64: Delete quadlib.c rule.
19631 * pa/x-ada: Revert last change.
19632 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19634 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19636 PR rtl-optimization/26087
19637 * rtlanal.c (canonicalize_condition): Do not cross basic block
19640 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19643 * config/ia64/ia64.c: Include debug.h.
19644 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19645 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19646 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19647 (process_epilogue, process_set, process_for_unwind_directive):
19648 Output unwind info only if requested. Add CFA info if requested.
19649 Add new arguments as needed. Adjust callers.
19650 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19652 (DWARF2_FRAME_INFO): Define to zero.
19653 * config/ia64/unwind-ia64.c: Remove code that compensated for
19654 the CFA offset error fixed above.
19655 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19656 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19657 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19658 -funwind-tables and -fexceptions to enable frame info.
19659 (dwarf2out_frame_init): Define initial CFA even if
19660 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19661 DWARF2_UNWIND_INFO is nonzero, not just defined.
19662 (dwarf2out_frame_finish): Output non-EH call frame info only
19663 if DWARF2_FRAME_INFO is nonzero.
19664 (convert_cfa_to_loc_list,
19665 compute_frame_pointer_to_cfa_displacement): Define even if
19666 unwind info is not supported.
19667 (gen_subprogram_die): Use the above unconditionally. Remove
19668 legacy alternate code.
19669 * toplev.c (compile_file): Compile in call to
19670 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19671 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19673 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19674 Jakub Jelinek <jakub@redhat.com>
19676 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19677 IBM extended float format long double as "g" on powerpc*-linux.
19679 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19682 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19683 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19685 2006-02-03 Jason Merrill <jason@redhat.com>
19688 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19690 PR middle-end/25977
19691 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19692 on the return slot if it's an NRV.
19694 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19696 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19697 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19698 rewrite_use): Do not handle USE_OUTER.
19699 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19700 add_iv_outer_candidates, may_replace_final_value,
19701 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19702 (find_interesting_uses_op): Functionality of
19703 find_interesting_uses_outer_or_nonlin moved here.
19704 (find_interesting_uses_outside): Use find_interesting_uses_op.
19706 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19709 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19711 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19712 Ulrich Weigand <uweigand@de.ibm.com>
19715 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19716 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19717 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19718 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19720 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19721 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19722 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19723 Define secondary reloads for TFmode moves.
19724 (constant_modes): Add TFmode.
19725 (NR_C_MODES): Set to 8.
19726 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19728 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19729 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19730 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19731 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19732 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19733 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19734 (FPR mode macro): Add TFmode.
19735 (DSF mode macro): New.
19736 (<de>, <dee> mode attributes): Removed.
19737 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19738 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19739 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19740 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19741 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19742 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19743 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19744 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19745 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19746 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19747 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19748 "*negabs<mode>2", "sqrt<mode>2"):
19749 Changed <de> to <xde>. R constraint replaced by <Rf>.
19750 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19752 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19753 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19754 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19756 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19757 "extenddftf2", "extendsftf2"): New expanders.
19758 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19759 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19760 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19761 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19763 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19764 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19765 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19766 __floatditf): Add a GCC_4.1.0 symbol version tag.
19767 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19770 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19773 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19774 Use targetm.binds_local_p instead of TREE_PUBLIC.
19776 2006-02-02 Roger Sayle <roger@eyesopen.com>
19778 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19779 on INTEGER_TYPEs to indicate that it denotes a character type.
19780 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19781 signed_char_type_node, unsigned_char_type_node and char_type_node.
19782 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19783 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19784 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19786 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19787 Daniel Berlin <dberlin@dberlin.org>
19789 * tree-tailcall.c (arg_needs_copy_p): New function.
19790 (eliminate_tail_call): Use arg_needs_copy_p.
19791 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19792 (add_virtual_phis): New function.
19794 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19796 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19797 #ignore instead of #scratch for %g7 .register directive.
19799 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19801 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19804 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19806 * flow.c (calculate_global_regs_live): Assert that there aren't any
19809 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19811 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19812 what its name says.
19813 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19814 bsi_after_labels iterator.
19815 * tree-if-conv.c (find_phi_replacement_condition,
19816 replace_phi_with_cond_modify_expr): Likewise.
19817 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19818 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19820 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19822 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19824 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19827 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19828 array after growing it.
19830 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19832 PR middle-end/24901
19833 * fold-const.c (fold_checksum_tree): Change type of buf.
19835 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19837 * reload.c (push_secondary_reload): Initialize t_icode.
19839 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19841 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19842 -msoft-float -mlong-double-128 only issue a warning, but don't
19843 swich to DFmode long double.
19845 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19847 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19848 has a constant equivalent, iterate over equivalents for arg0,
19849 calling simplify_relational_operation and if there's a result
19850 cheaper than X, apply fold_rtx and return the result.
19852 2006-02-01 Jan Hubicka <jh@suse.cz>
19854 * opts.c (no_unit_at_a_time_default): New global variable.
19855 (decode_options): Use it.
19856 * opts.h (no_unit_at_a_time_default): Declare.
19858 2006-02-01 Paul Brook <paul@codesourcery.com>
19860 * function.c (assign_parm_setup_reg): Use function argument promotion
19862 * expr.c (expand_expr_real_1): Use function argument promotion rules
19865 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19867 * gcc.c (process_command): Change j to 'unsigned int'.
19869 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19871 PR middle-end/26001
19872 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19873 Use the corrected index for the character
19874 out of the string constant.
19876 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19878 * mode-switching.c (optimize_mode_switching): Fix size
19879 allocated for bb_info[n_entities].
19881 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19883 * gcc.c (main): Correct type that is allocated for
19884 explicit_link_files.
19886 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19888 * config/s390/s390.c (init_alignment_context): Set
19889 ALIAS_SET_MEMORY_BARRIER on the MEM.
19890 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19892 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19894 PR middle-end/25933
19895 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19897 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19900 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19902 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19903 * regrename.c: Ditto.
19904 * tree-ssa-loop-im.c: Ditto.
19905 * tree-dump.c: Ditto.
19906 * tree-complex.c: Ditto.
19907 * genrecog.c: Ditto.
19908 * tree-ssa-threadupdate.c: Ditto.
19910 * java/class.c: Ditto.
19911 * java/jcf-parse.c: Ditto.
19912 * java/resource.c: Ditto.
19913 * java/except.c: Ditto.
19914 * java/jvspec.c: Ditto.
19915 * java/jcf-write.c: Ditto.
19916 * java/jcf-path.c: Ditto.
19917 * java/gjavah.c: Ditto.
19918 * java/zextract.c: Ditto.
19919 * java/jcf-io.c: Ditto.
19920 * java/jcf.h: Ditto.
19921 * java/buffer.c: Ditto.
19922 * java/lang.c: Ditto.
19923 * java/parse-scan.y: Ditto.
19924 * java/lex.c: Ditto.
19925 * java/lex.h: Ditto.
19926 * cfgloopmanip.c: Ditto.
19927 * postreload-gcse.c: Ditto.
19928 * tree-ssa-loop-manip.c: Ditto.
19929 * postreload.c: Ditto.
19930 * tree-ssa-loop-ch.c: Ditto.
19933 * cppspec.c: Ditto.
19934 * diagnostic.c: Ditto.
19936 * genoutput.c: Ditto.
19938 * cfghooks.c: Ditto.
19939 * cfgloopanal.c: Ditto.
19940 * objc/objc-act.c: Ditto.
19942 * genextract.c: Ditto.
19943 * genautomata.c: Ditto.
19944 * pretty-print.c: Ditto.
19945 * genemit.c: Ditto.
19946 * cgraphunit.c: Ditto.
19948 * df-scan.c: Ditto.
19949 * haifa-sched.c: Ditto.
19950 * dominance.c: Ditto.
19952 * tree-ssa-loop-ivopts.c: Ditto.
19953 * df-core.c: Ditto.
19954 * mode-switching.c: Ditto.
19955 * modulo-sched.c: Ditto.
19957 * ipa-pure-const.c: Ditto.
19959 * fix-header.c: Ditto.
19961 * tree-stdarg.c: Ditto.
19962 * ipa-utils.c: Ditto.
19963 * loop-init.c: Ditto.
19964 * ipa-inline.c: Ditto.
19965 * cfganal.c: Ditto.
19967 * alloc-pool.c: Ditto.
19968 * dwarf2out.c: Ditto.
19970 * genattrtab.c: Ditto.
19971 * tree-ssa-loop-ivcanon.c: Ditto.
19972 * predict.c: Ditto.
19973 * timevar.c: Ditto.
19975 * fortran/gfortranspec.c: Ditto.
19976 * regmove.c: Ditto.
19977 * local-alloc.c: Ditto.
19978 * langhooks.c: Ditto.
19979 * function.c: Ditto.
19980 * tree-vectorizer.c: Ditto.
19982 * ipa-type-escape.c: Ditto.
19984 * tree-if-conv.c: Ditto.
19985 * profile.c: Ditto.
19987 * tree-data-ref.c: Ditto.
19988 * loop-unroll.c: Ditto.
19989 * treelang/treetree.c: Ditto.
19991 * bt-load.c: Ditto.
19992 * ggc-common.c: Ditto.
19994 * coverage.c: Ditto.
19996 * tree-cfgcleanup.c: Ditto.
19997 * tree-ssa-pre.c: Ditto.
19998 * cfgcleanup.c: Ditto.
19999 * loop-invariant.c: Ditto.
20000 * loop-iv.c: Ditto.
20001 * ipa-prop.c: Ditto.
20002 * print-tree.c: Ditto.
20003 * conflict.c: Ditto.
20004 * ggc-page.c: Ditto.
20005 * sched-deps.c: Ditto.
20006 * regclass.c: Ditto.
20007 * tree-object-size.c: Ditto.
20008 * combine.c: Ditto.
20009 * bb-reorder.c: Ditto.
20010 * resource.c: Ditto.
20011 * var-tracking.c: Ditto.
20012 * cfgloop.c: Ditto.
20013 * df-problems.c: Ditto.
20014 * reg-stack.c: Ditto.
20016 * gccspec.c: Ditto.
20017 * sched-rgn.c: Ditto.
20018 * tree-ssa-structalias.c: Ditto.
20019 * tree-ssa-reassoc.c: Ditto.
20020 * config/darwin-c.c: Ditto.
20021 * config/darwin.c: Ditto.
20022 * config/arm/arm.c: Ditto.
20024 * collect2.c: Ditto.
20025 * reload1.c: Ditto.
20027 2006-01-31 Nicolas Pitre <nico@cam.org>
20029 * arm.md (smaxsi3): Make aware of smax_m1.
20032 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
20034 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20036 2006-01-31 Richard Guenther <rguenther@suse.de>
20038 * doc/invoke.texi (-msselibm): Document.
20039 * target.h (expand_library_builtin): New target hook.
20040 * builtins.c (expand_builtin): Use expand_library_builtin.
20041 (default_expand_library_builtin): New function.
20042 * gcc.c (LINK_GCC_MATH_SPEC): Define.
20043 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20044 (link_gcc_math_spec): Declare.
20045 (static_specs): Add link_gcc_math_spec.
20046 * expr.h (default_expand_library_builtin): Declare.
20047 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20048 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20049 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20050 * config/i386/i386.opt (msselibm): New target option.
20051 * config/i386/i386.c (ix86_builtin_function_variants): New array.
20052 (ix86_init_sse_abi_builtins): New function.
20053 (ix86_expand_library_builtin): Likewise.
20054 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20055 (override_options): Handle error conditions wrt -msselibm.
20056 (ix86_builtins): Add function codes for SSE2 ABI builtins.
20057 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20058 * doc/extend.texi (__builtin_sse2_*): Document new target specific
20061 2006-01-31 Richard Guenther <rguenther@suse.de>
20062 Paolo Bonzini <bonzini@gnu.org>
20064 * doc/install.texi (--disable-libgcc-math): Document.
20066 2006-01-30 Marcin Dalecki <martin@dalecki.de>
20068 * expr.h (expand_normal): new inline function.
20069 * builtins.c: use it, use EXPAND_NORMAL explicitely.
20070 * dojump.c: use it.
20071 * dwarf2out.c: use it.
20074 * expmed.c: use it.
20075 * except.c: use it.
20076 * config/sparc/sparc.c: use it.
20077 * config/i386/i386.c: use it.
20078 * config/rs6000/rs6000.c: use it.
20079 * config/arm/arm.c: use it.
20080 * config/mips/mips.c: use it.
20081 * stmt.c: use it, use EXPAND_NORMAL explicitely.
20083 2006-01-30 Roger Sayle <roger@eyesopen.com>
20085 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20086 argv to the appropriate type.
20088 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
20090 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20093 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
20096 * config/s390/s390.c (struct machine_function): New flag
20097 decomposed_literal_pool_addresses_ok_p.
20098 (s390_reorg): Set it before final stage of literal pool transforms.
20099 (s390_decompose_address): Only accept displacements of the form
20100 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20102 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20104 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20105 the comparison routine return.
20107 2006-01-30 Michael Matz <matz@suse.de>
20109 * global.c (find_reg): Only evict for global regs.
20110 Take n_refs into account and dump more info.
20112 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20115 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20116 (pragma_trap, pragma_nosave_low_regs): Likewise.
20117 (current_function_anonymous_args): Likewise.
20118 (sh_deferred_function_attributes): New variable.
20119 (sh_deferred_function_attributes_tail): Likewise.
20120 (print_operand): For '@', look up trap_exit attribute.
20121 (calc_live_regs): Look up trapa_handler attribute. For trapa
20122 handlers, save/restore fpscr, but don't do any other
20123 interrupt-specific saves.
20124 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20125 Fix check for partially saved registers to check for SHmedia.
20126 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20127 (sh_output_function_epilogue): Don't clear any of the removed
20129 (sh_insert_attributes): Don't check pragma_interrupt.
20130 Insert deferred attributes. Check that interrupt attribute is
20131 present for other attributes that require its presence.
20132 (sh_attribute_table): Add new attributes trapa_handler and
20134 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20135 Don't check for pragma_interrupt. Don't store argument.
20136 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20137 (sh_deferred_function_attributes): Declare.
20138 (sh_deferred_function_attributes_tail): Likewise.
20139 * sh.md (sp_switch_1): Add operand. Change generator caller.
20140 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20141 (*return_i): Don't use when trap_exit attribute is in effect.
20142 (*return_trapa): New insn pattern.
20143 * sh-c.c: New file.
20144 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20145 setting c_target_objs and cxx_target_objs.
20146 * t-sh: Add rule for sh-c.o.
20148 2006-01-30 Richard Guenther <rguenther@suse.de>
20151 * gimplify.c (gimplify_target_expr): Handle easy cases
20152 without creating a temporary.
20154 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20156 * vec.h (safe_grow): Remove duplicated line.
20158 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20161 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20162 (expand_omp): ... here.
20163 (expand_omp_parallel): Only remove barriers for combined
20164 parallel+workshare constructs.
20166 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20170 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20171 * tree.c (build_qualified_type): Chain the new type to the original
20172 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20173 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20174 (build_pointer_type_for_mode): Only return unqualified types.
20175 (build_reference_type_for_mode): Likewise.
20177 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20179 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20180 * Makefile.in (CXX_COMPAT_WARN): Define.
20181 * configure: Regenerate.
20183 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20186 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20189 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20191 * toplev.c: Fix thinko.
20193 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20194 Marcin Dalecki <martin@dalecki.de>
20196 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20197 (push_srcloc): Use XNEW.
20198 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20200 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20202 * df-core.c (df_set_blocks): Deleted all variable.
20204 2006-01-28 Ian Lance Taylor <ian@airs.com>
20206 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20207 cgraph_output_pending_asms.
20209 2006-01-28 Zack Weinberg <zackw@panix.com>
20211 * c.opt: Add -W(no-)overlength-strings.
20212 * doc/invoke.texi: Document it.
20213 * c-opts.c (c_common_handle_option): -pedantic implies
20214 -Woverlength-strings, if not explicitly disabled already.
20215 (c_common_post_options): -Woverlength-strings defaults to off, and
20216 is always off for C++.
20217 * c-common.c (fix_string_type): Issue warning about strings longer
20218 than is portable only if warn_overlength_strings. Rearrange code
20219 a little for clarity.
20220 * configure.in: Check for -Wno-overlength-strings as well before
20221 enabling -pedantic in stage 1.
20222 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20223 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20225 * genconditions.c (write_header, write_one_condition)
20226 (write_conditions, write_writer): Consolidate very long strings
20227 that were broken up to fit in C89 portable limit. Don't use
20228 printf when fputs will do.
20230 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20232 * combine.c (simplify_comparison <AND>): Check
20233 TRULY_NOOP_TRUNCATION before start using a subreg.
20235 * config/mips/mips.md (*branch_zero<mode>,
20236 *branch_zero<mode>_inverted, *branch_equality<mode>,
20237 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20238 Remove mode check from comparisons.
20240 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20242 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20244 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20246 * expmed.c (const_mult_add_overflow_p): Remove.
20247 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20249 * recog.c (validate_replace_rtx_subexp): Remove.
20250 * recog.h: Remove the prototype for
20251 validate_replace_rtx_subexp.
20253 * integrate.h: Remove the prototype for
20254 copy_decl_for_inlining.
20255 * rtl.h: Remove the prototype for mark_constant_function.
20256 * tree-vectorizer.h: Remove the prototype for
20257 vect_strip_conversion.
20259 * modulo-sched.c (create_partial_schedule,
20260 free_partial_schedule, reset_partial_schedule): Make them
20263 * hooks.c (hook_bool_rtx_int_false): Remove.
20264 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20266 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20268 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20269 and -mlong-double-128 are incompatible.
20270 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20271 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20272 (TARGET_LIBGCC2_CFLAGS): Define.
20273 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20274 (TARGET_LIBGCC2_CFLAGS): Same.
20275 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20277 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20280 * c-typeck.c (build_binary_op): Perform implicit casts of
20281 operands before shortening them.
20283 * cfgloopmanip.c (split_loop_bb): Remove.
20284 * cfgloop.h: Remove the prototype for split_loop_bb.
20286 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20287 * cfgloop.h: Remove the prototype for
20288 flow_loop_outside_edge_p.
20290 * emit-rtl.c (init_virtual_regs): Make it static.
20291 * function.h: Remove the prototype for init_virtual_regs.
20293 * recog.c (peephole2_optimize): Make it static.
20294 * recog.h: Remove the prototype for peephole2_optimize.
20296 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20298 * df-scan.c (df_record_entry_block_defs): Check if
20299 INCOMING_RETURN_ADDR_RTX is defined.
20301 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20302 Kenneth Zadeck <zadeck@naturalbridge.com>
20304 PR rtl-optimization/24762
20305 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20306 * targhooks.c (hook_void_bitmap): New hook prototype.
20307 * targhoohs.h (hook_void_bitmap): Ditto.
20308 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20309 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20310 * target.h (live_on_entry): New function pointer.
20311 * df-scan.c (df_all_hard_regs): Removed.
20312 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20313 (df_scan_free_internal): Added df->entry_block_defs.
20314 (df_scan_alloc): Ditto.
20315 (df_scan_dump): Ditto.
20316 (df_uses_record): Plumbed flag field properly thru calls.
20317 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20318 This part fixes PR24762.
20319 (df_bb_refs_record): Added code to make the frame and arg
20320 pointers live in EH blocks.
20321 (df_refs_record): Added call to df_record_entry_block_defs.
20322 (df_record_entry_block_defs): New function.
20323 * df-core.c: Added comments to describe new artifical defs.
20324 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20325 (entry_block_defs): New field in struct df.
20326 (df_all_hard_regs): Deleted.
20327 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20328 * df-problems.c (df_ru_bb_local_compute_process_def):
20329 Added code to handle artifical defs in the entry to a function.
20330 (df_ru_bb_local_compute): Ditto.
20331 (df_rd_bb_local_compute_process_def): Ditto.
20332 (df_rd_bb_local_compute): Ditto.
20333 (df_lr_bb_local_compute): Ditto.
20334 (df_ur_bb_local_compute): Ditto.
20335 (df_urec_bb_local_compute): Ditto.
20336 (df_chain_create_bb): Ditto.
20337 (df_ur_local_finalize): Removed entry.
20338 (df_urec_init): Ditto.
20339 (df_urec_local_finalize): Ditto.
20340 (df_ri_bb_compute): Added detection of last use of pseudos.
20341 * Makefile.in (df-scan.o): Updated dependencies.
20342 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20343 * config/mips/mips.c (mips_set_live_on_entry): Added.
20344 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20346 * dce.c (marked_insn_p): Added code to handle artifical defs.
20348 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20350 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20352 (_mm_cvtsi128_si64): Likewise.
20353 (_mm_cvtsd_si64): Likewise.
20354 (_mm_cvttsd_si64): Likewise.
20355 (_mm_cvtsi64_sd): Likewise.
20356 (_mm_cvtsi64_si128): Likewise.
20357 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20358 (_mm_cvtsi64_m64): Likewise.
20359 (_m_to_int64): Likewise.
20360 (_mm_cvtm64_si64): Likewise.
20361 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20362 (_mm_cvttss_si64): Likewise.
20363 (_mm_cvtsi64_ss): Likewise.
20364 (_mm_cvtss_f32): Likewise.
20366 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20368 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20369 for pragma redefine_extname.
20371 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20374 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20375 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20376 -mno-minimal-toc to previous content.
20377 (bispecs): Remove goal.
20378 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20379 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20380 compatibility aliases on powerpc-*-*gnu*.
20381 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20382 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20383 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20384 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20385 (ldblspecs): New goal.
20386 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20387 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20389 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20390 L_sf_to_tf or L_df_to_tf is defined.
20392 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20393 Alan Modra <amodra@bigpond.net.au>
20396 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20397 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20398 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20399 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20400 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20401 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20402 (rs6000_override_options): Initialize rs6000_ieeequad.
20403 Initialize TFmode format to ibm_extended_format if not
20405 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20407 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20408 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20409 (function_arg_advance): IBM long double passed in two FPRs, not
20411 (function_arg): IBM long double passed in FPRs.
20412 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20413 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20414 Only multireg GPR aligned.
20415 (rs6000_init_libfuncs): Enable IBM long double functions if not
20417 (rs6000_generate_compare): Use IBM long double compare if not
20419 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20420 (TARGET_IEEEQUAD): Define.
20421 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20422 not TARGET_IEEEQUAD.
20423 * config/rs6000/rs6000.md: Enable TFmode patterns if
20425 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20426 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20427 and -mlong-double-128 are incompatible.
20428 * doc/invoke.texi (-mabi): Collect options together. Add
20429 ibmlongdouble and ieeelongdouble.
20431 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20433 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20435 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20436 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20437 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20438 * rtl.h (rtunion_def): Remove rt_ptr.
20440 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20441 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20442 * config/i386/winnt.c (i386_pe_mark_dllexport)
20443 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20445 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20447 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20449 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20453 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20454 pthread_key_delete. From John David Anglin. gthrw-ify
20455 pthread_getunique_np only if it it's not a macro. Delete
20457 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20458 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20459 __gthread_objc_condition_signal, __gthread_key_delete): Add
20460 "__attribute__ ((__unused__))" to unused arguments.
20461 (__gthread_recursive_mutex_init_function): Add missing return.
20462 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20463 gthr-posix95.h: Use macro-based approach for name redirection
20464 on targets missing weakref.
20466 2006-01-26 Zack Weinberg <zackw@panix.com>
20468 * genconditions.c (write_header): In generated code, #ifdef out
20469 all includes and fake declarations, except includes of bconfig.h
20470 and system.h, unless GCC_VERSION >= 3001. Do not include
20471 gensupport.h in any case.
20472 (write_conditions): Generate a definition of struct c_test. Add
20473 a comment to the generated #endif.
20474 (write_one_condition): Escape backslashes in string too.
20475 (write_writer): Generated code must escape backslashes and quote
20476 marks (but not newlines) in the strings it writes.
20477 * Makefile.in (build/gencondmd.o): Update dependencies.
20479 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20482 * Makefile.in (insn-automata.o): Add header file dependencies.
20483 * genautomata.c: Add includes.
20485 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20488 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20490 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20492 * configure.ac: Expect target tools paths to be passed from the toplevel
20493 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20495 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20497 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20500 * c.opt (Wpointer-sign): Init to -1.
20501 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20502 OPT_pedantic, to 0 otherwise.
20503 * doc/invoke.texi: Update.
20505 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20507 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20508 constants provided by 80387 instructions in the destination mode.
20510 2006-01-26 Richard Guenther <rguenther@suse.de>
20511 Andrew Pinski <pinskia@physics.uc.edu>
20514 partial PR tree-opt/17064
20515 * tree-ssa-structalias.c (intra_create_variable_infos):
20516 Create heap variables for incoming parameters if
20517 flag_argument_noalias > 1.
20518 (find_what_p_points_to): Look through default defs of
20521 2006-01-26 Jeff Law <law@redhat.com>
20524 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20525 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20526 within the VR_RANGE, use the VR_RANGE as the result, not the
20528 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20529 bounds for the type.
20531 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20533 * tree-ssa-alias.c (maybe_create_global_var): Change
20534 subvar walking to an assertion that we don't have subvar'd variables.
20536 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20539 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20540 Use a new variable, inner. PARM_DECLs are always non-weak.
20542 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20544 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20545 --disable-checking.
20547 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20549 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20551 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20553 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20554 (smax_insn, smin_insn, smax_0, smin_0): New.
20556 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20559 * config/cris/cris.c (cris_order_for_addsi3): New function.
20560 * config/cris/cris-protos.h: Prototype it.
20561 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20562 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20563 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20564 (split for "op.S1 [rx=rx+i],ry (swapped)")
20565 (split for "op(s|u).S1 [rx=rx+i],ry")
20566 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20567 Apply cris_order_for_addsi3 when generating addsi3 insns.
20569 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20571 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20572 (TREE_BLOCK): Add call to EXPR_CHECK.
20574 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20577 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20578 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20579 (dump_omp_clauses): ... here.
20580 (dump_generic_node): Handle OMP_CLAUSE.
20581 * tree.c (omp_clause_num_ops): New.
20582 (omp_clause_code_name): New.
20583 (tree_code_size): Handle OMP_CLAUSE.
20584 (tree_size): Likewise.
20585 (make_node): Document handling of OMP_CLAUSE.
20586 (tree_node_structure): Handle OMP_CLAUSE.
20587 (omp_clause_check_failed): New.
20588 (omp_clause_range_check_failed): New.
20589 (omp_clause_operand_check_failed): New.
20590 (build_omp_clause): New.
20591 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20592 * tree.h (enum omp_clause_code): Declare.
20593 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20594 (OMP_CLAUSE_RANGE_CHECK): Define.
20595 (OMP_CLAUSE_ELT_CHECK): Define.
20596 (omp_clause_check_failed): Declare.
20597 (omp_clause_operand_check_failed): Declare.
20598 (omp_clause_range_check_failed): Declare.
20599 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20600 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20601 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20602 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20603 (OMP_CLAUSE_IF_EXPR): Likewise.
20604 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20605 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20606 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20607 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20608 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20609 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20610 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20611 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20612 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20613 (OMP_CLAUSE_CODE): Define.
20614 (OMP_CLAUSE_SET_CODE): Define.
20615 (OMP_CLAUSE_CODE): Define.
20616 (OMP_CLAUSE_OPERAND): Define.
20617 (struct tree_omp_clause): Declare.
20618 (union tree_node): Add field 'omp_clause'.
20619 * treestruct.def (TS_OMP_CLAUSE): Define.
20620 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20621 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20622 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20623 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20624 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20625 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20626 (OMP_CLAUSE): Define.
20627 * print-tree.c (print_node): Handle OMP_CLAUSE.
20628 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20629 * c-typeck.c: Likewise.
20630 * gimplify.c: Likewise.
20631 * c-omp.c: Likewise.
20632 * tree-nested.c: Likewise.
20633 * tree-inline.c: Likewise.
20634 * c-parser.c: Likewise.
20635 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20638 2006-01-25 Roger Sayle <roger@eyesopen.com>
20640 PR rtl-optimization/25703
20641 * combine.c (try_combine): Handle zero_extract and strict_low_part
20642 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20644 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20646 * global.c: Fix comment typos.
20648 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20651 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20652 Use output_addr_const instead of assemble_name.
20654 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20656 * Makefile.in (sched-vis.o): Update dependencies.
20657 * haifa-sched.c (sched_finish): Clear current_sched_info.
20658 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20659 (dump_flow_info): Call it.
20660 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20662 * basic-block.h (dump_bb_info): Declare.
20663 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20664 option, and apply options only for dump files whose TDF_RTL,
20665 TDF_TREE, or TDF_IPA bits match.
20666 * rtl.h: Declare new functions exported from sched-vis.c.
20667 * sched-vis.c: Enable also if scheduling is not used.
20668 (print_value): Print the mode of registers if not inside scheduling.
20669 (print_insn): Make it work outside the scheduler. Beautify the output
20671 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20673 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20675 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20676 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20677 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20678 depending on the value of CONSTANT_POOL_ADDRESS_P.
20679 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20681 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20682 rather than SYMBOL_REF_DECL.
20683 (rtx_constant_pool): Remove const_rtx_sym_htab.
20684 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20685 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20686 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20687 Remove handling of const_rtx_sym_htab.
20688 (find_pool_constant): Delete.
20689 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20690 rather than find_pool_constant.
20691 (get_pool_constant_for_function): Delete.
20692 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20693 find_pool_constant.
20694 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20695 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20696 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20697 (SYMBOL_REF_CONSTANT): New macro.
20698 (get_pool_constant_for_function): Delete.
20699 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20700 rather than SYMBOL_REF_DECL.
20701 (i386_pe_mark_dllimport): Likewise.
20702 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20703 rather than SYMBOL_REF_DECL.
20704 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20705 (machopic_indirect_call_target): Likewise.
20707 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20709 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20711 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20713 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20715 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20717 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20719 2006-01-24 David Daney <ddaney@avtrex.com>
20722 * configure.ac (enable_tls): New enable option.
20723 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20724 * configure: Regenerate.
20725 * doc/install.texi (--enable-tls): Document new option.
20726 (--disable-tls): Ditto.
20728 2006-01-24 Richard Henderson <rth@redehat.com>
20730 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20731 * alias.c (true_dependence): Respect it.
20732 (canon_true_dependence, write_dependence_p): Likewise.
20733 * builtins.c (get_builtin_sync_mem): Set it.
20735 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20737 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20740 2006-01-24 DJ Delorie <dj@redhat.com>
20742 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20743 for storing constants in single-bit bitfields.
20745 2006-01-25 Ben Elliston <bje@au.ibm.com>
20747 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20749 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20752 * tree-ssa-pre.c (phi_translate): Return NULL
20753 for AGGREGATE_TYPE's.
20755 2006-01-24 Zack Weinberg <zackw@panix.com>
20757 * genautomata.c (process_state_for_insn_equiv_partition):
20758 Use xcalloc for insn_arcs_array.
20759 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20760 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20762 2006-01-24 Richard Henderson <rth@redhat.com>
20764 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20765 update all callers.
20767 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20769 PR rtl-optimization/25890
20770 PR rtl-optimization/25905
20771 * combine.c (expand_compound_operation, expand_field_assignment):
20772 Fail if the bitfield's final position is out of bounds.
20774 2006-01-24 Ian Lance Taylor <ian@airs.com>
20776 PR middle-end/25930
20777 * cgraphunit.c (cgraph_output_in_order): Don't clear
20778 cgraph_asm_nodes until after asm strings have been output.
20780 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20782 * fix-header.c (read_scan_file): Add new parameter imultilib when
20783 calling register_include_chains.
20785 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20787 * omp-low.c: Update documentation.
20789 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20790 Daniel Berlin <dberlin@dberlin.org>
20794 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20795 return from the function.
20797 2006-01-22 Zack Weinberg <zackw@panix.com>
20799 * rtl.def (match_code): Add second argument.
20800 * genpreds.c (write_extract_subexp): New function.
20801 (write_match_code): Add path argument. Use write_extract_subexp.
20802 (write_predicate_expr): Pass path to write_match_code.
20803 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20804 not perform a mode test.
20805 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20806 a subexpression does not constrain the top-level code set.
20807 * read-rtl.c (read_rtx_variadic): New function.
20808 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20809 * doc/md.texi: Document new notation.
20810 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20811 (cmpsi_operand): ... here, using new notation.
20813 2006-01-22 Zack Weinberg <zackw@panix.com>
20815 * varray.c: Remove GENERATOR_FILE #ifdefs.
20817 2006-01-22 Zack Weinberg <zackw@panix.com>
20819 * genautomata.c (output_reserved_units_table): Emit nothing if
20820 description->query_units_num is zero. Remove extra blank line.
20821 (output_cpu_unit_reservation_p): Short circuit
20822 if description->query_units_num is zero.
20824 2006-01-22 Zack Weinberg <zackw@panix.com>
20826 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20827 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20828 nor any of the random handful of variables that used to be necessary
20829 when this program was linked with rtlanal.o. Prune set of forward
20830 function declarations.
20831 (struct attr_desc): Remove static_p field.
20832 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20833 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20834 (attr_string): Do not read the character one past the length of
20836 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20837 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20838 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20839 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20840 (make_automaton_attrs): New.
20841 (main): Do not call into genautomata. Call local gen_bypass
20842 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20843 Remove special case for insn_alts.
20844 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20845 varray.h (leftover from previous change). Prune set of forward
20846 function declarations. Remove state_alts fields from all
20847 structures. Remove state_alts_table from struct automaton.
20848 Make everything except main static. Do not maintain num_dfa_decls.
20849 Do not maintain state_alts fields of various structures.
20850 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20851 (add_arc): Remove state_alts argument. All callers updated.
20852 (output_reserved_units_table): Emit #ifdef here...
20853 (output_tables): ...not here. Don't generate state_alts tables.
20854 (expand_automata): Don't generate attributes.
20855 (write_automata): Don't generate state_alts functions.
20856 (main): New function.
20857 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20858 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20859 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20860 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20861 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20862 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20863 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20864 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20866 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20867 * genattrtab.h: Delete file.
20868 * Makefile.in (OBJS-common): Add insn-automata.o.
20869 (insn-automata.o): New rule.
20870 (simple_generated_c): Add insn-automata.c.
20871 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20872 (genprogmd): Add automata.
20873 (build/genattrtab): Needs no extra objects nor libraries.
20874 (build/genautomata): Needs build/vec.o and -lm.
20876 2006-01-22 Zack Weinberg <zackw@panix.com>
20878 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20879 (output_dfa_max_issue_rate, locked_states_num): Delete.
20880 (struct automaton): Add locked_states field.
20881 (output_dead_lock_vect): Save number of locked states in
20882 automaton->locked_states. If it is zero, don't print anything.
20883 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20884 (output_internal_dead_lock_func): Only test the dead_lock_vect
20885 for automata that have locked states.
20886 (output_statistics): Always print the number of locked states for
20887 each automaton. Calculate total number of locked states here.
20888 (write_automata): Don't call output_dfa_max_issue_rate.
20889 * genattrtab.c: Define length_unit_log as a const variable.
20890 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20891 max_insn_queue_index const.
20892 * final.c (length_unit_log): Declare const.
20893 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20895 2006-01-22 Zack Weinberg <zackw@panix.com>
20897 * genautomata.c: Include vec.h, not varray.h.
20898 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20899 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20900 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20901 VEC_* macros operating on appropriately typed vectors, or to
20902 malloced arrays when the size is known in advance. Const-ify
20903 many char* variables and function arguments. No functional changes.
20904 * Makefile.in (build/varray.o): Delete rule.
20905 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20906 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20908 2006-01-22 Zack Weinberg <zackw@panix.com>
20910 * gensupport.c: Define get_insn_name and record_insn_name here.
20911 (read_md_rtx): Call record_insn_name as appropriate.
20912 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20913 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20914 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20916 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20917 (BUILD_VARRAY): Delete.
20918 (genprognormal): Rename genprogmd. Fold in all programs from
20919 genprognoprint; also attrtab.
20920 (build/genattrtab): Just mention genautomata.o and varray.o.
20921 Reorganize a bit, add comments to make the categories clearer.
20923 2006-01-22 Zack Weinberg <zackw@panix.com>
20925 * genconditions.c (condition_table, add_condition): Delete.
20926 (write_conditions): Don't emit n_insn_conditions nor
20927 insn_elision_unavailable. Issue the gcc version #ifdef here,
20928 inside the table, with no #else clause ...
20929 (write_header): ...not here.
20930 (write_writer): New function.
20931 (main): Don't initialize condition_table. Use add_c_test.
20933 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20934 files on the command line.
20935 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20936 Return -1 if there is no entry in the table, don't abort.
20937 (add_c_test, traverse_c_tests): New functions.
20938 * gensupport.h (insn_elision_unavailable, insn_conditions)
20939 (n_insn_conditions): Delete declarations.
20940 (add_c_test, traverse_c_tests): Declare.
20941 * read-rtl.c: Include gensupport.h.
20942 (read_conditions): New function.
20943 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20944 (read_rtx_1): If we get EOF when we were looking for an initial
20945 open paren, return 0. Call read_conditions when appropriate.
20946 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20947 dummy-conditions.o. Eliminate references to insn-conditions.o,
20948 or change them to build/gencondmd.o, as appropriate. Remove
20949 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20950 from $(simple_generated_c). For all files remaining in those
20951 two lists, add insn-conditions.md to the generator command line.
20952 Give insn-constants.h/s-constants their own rules. Add rules
20953 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20954 (build/read-rtl.o): Depend on gensupport.h.
20955 (genprognormal): Include preds.
20956 (genprogearly): Rename genprognoprint; only difference is now that
20957 they don't link with $(BUILD_PRINT).
20958 * dummy-conditions.c: Delete.
20960 2006-01-22 Zack Weinberg <zackw@panix.com>
20962 * genextract.c: Don't include insn-config.h. Do include vec.h.
20963 Declare vectors of int, char, and locstr.
20964 (locstr): New typedef.
20965 (struct extraction): Make all array fields into bare pointers.
20966 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20967 (insn_code_number): Delete.
20968 (accum_extract): New struct.
20969 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20970 (gen_insn): Take insn_code_number as an argument. Use an
20971 accum_extract structure instead of loading data directly into
20972 a struct extraction, and having to know how big it might get.
20973 (walk_rtx): Operate entirely on an accum_extract structure.
20974 (print_path): Avoid unnecessary use of printf.
20975 (print_header): New function, split out of main. Distinguish
20976 more carefully between an unrecognizable insn and an insn that
20977 has the code number of a define_expand.
20978 (main): Pass insn_code_number to gen_insn. Call print_header
20979 only after parsing. Avoid unnecessary use of printf.
20980 * Makefile.in (build/vec.o): New rule.
20981 (build/genextract): Depend on build/vec.o.
20982 (build/genextract.o): Don't depend on insn-config.h.
20984 2006-01-22 Zack Weinberg <zackw@panix.com>
20986 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20987 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20988 practical. Eliminate per-generator-program link rules.
20990 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20992 PR middle-end/24437
20993 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20994 with a call expr to ...
20995 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20997 2006-01-23 Richard Guenther <rguenther@suse.de>
20999 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21000 before make_edge with conditional EDGE_TRUE_VALUE.
21002 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
21003 Jan Hubicka <jh@suse.cz>
21004 Richard Guenther <rguenther@suse.de>
21006 PR rtl-optimization/25654
21007 * cfgexpand.c (aggregate_contains_union_type): New function.
21008 (add_alias_set_conflicts): Call it. Make sure to add conflicts
21009 for structure variables that contain a union type.
21011 2006-01-23 Richard Sandiford <richard@codesourcery.com>
21013 * gengtype.c (new_structure): Return the structure.
21014 (create_option): Add an extra "next" argument.
21015 (create_field): New function.
21016 (adjust_field_rtx_def): Use create_option and create_field.
21017 Remove a now-unnecessary call to find_structure.
21018 (adjust_field_tree_def): Likewise.
21019 (note_yacc_type): Remove an unnecessary call to find_structure.
21020 * gengtype.h (new_structure): Return the structure.
21021 (create_option): Add an extra argument.
21022 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21023 (option): Adjust calls to create_option.
21025 2006-01-22 David Edelsohn <edelsohn@gnu.org>
21027 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21029 2006-01-22 Paul Brook <paul@codesourcery.com>
21030 Peter Barada <peter@the-baradas.com>
21032 * config/m68k/m68k.md: Add Coldfire FPU support.
21033 Define FP mode macro and associated attributes.
21034 Use it for float mode patterns.
21035 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21036 (LIBCALL_VALUE): Use m68k_libcall_value.
21037 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21038 (m68k_function_value): Ditto.
21039 (emit_move_sequence): Ditto.
21040 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21041 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21042 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21043 (MULTILIB_EXCEPTIONS): Ditto.
21044 * config/m68k/m68k.opt: Add mcfv4e.
21045 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21046 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21047 (m68k_output_function_prologue): Save ColdFire FPU registers.
21048 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21049 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21050 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21051 ColdFire FPU registers.
21052 (m68k_libcall_value, m68k_function_value): New functions.
21053 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21054 (LIBCALL_VALUE): Use m68k_libcall_value.
21055 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21056 (MASK_COLDFIRE): Add MASK_CFV4E.
21057 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21058 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21059 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21060 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21061 (GO_IF_LEGITIMATE_ADDRESS): Use it.
21062 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21063 * doc/invoke.tex: Document -mcfv4e on m68k.
21065 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
21067 * doc/contribute.texi: Change CVS to SVN and update the corresponding
21070 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
21073 * c-opts.c (c_common_handle_option): Don't include
21074 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21075 * doc/invoke.texi (C++ Dialect Options): Document that
21076 -Wnon-virtual-dtor is no longer included in -Wall.
21078 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
21080 * gcov.c (print_version), gcov-dump.c (print_version),
21081 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21084 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
21086 * df-scan.c (problem_SCAN): Added NULL reset function.
21087 (df_scan_reset_blocks): Added code to call reset block function
21088 (df_bb_refs_delete) Fixed comment.
21089 (df_insn_refs_delete): Made tolerant of deleting non existent info
21090 for dataflow problems that need to be reset.
21091 * df-core.c (df_set_blocks): Ditto.
21092 * df.h (struct df_problem): Added reset_fun.
21093 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21094 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21095 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21096 functions to clear out all references to def-use or use-def chains.
21098 2006-01-21 Ben Elliston <bje@au.ibm.com>
21100 * varasm.c (assemble_real): Initialise data array.
21102 2006-01-20 Paul Brook <paul@codesourcery.com>
21104 Merge from csl-arm-branch.
21105 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21106 * config/arm/arm.md (movdi): Force operands[1] to a register
21107 if we have a non-register source.
21108 (*arm_movdi, *movdf_soft_insn): Require that one of the
21109 operands be a register.
21110 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21111 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21113 2006-01-20 DJ Delorie <dj@redhat.com>
21115 * varasm.c (initializer_constant_valid_p): Allow pointers
21116 initialized from integer constants of lesser precision.
21117 (output_constant): Allow non-int-sized pointer modes to be
21118 initialized from integer constants.
21120 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21123 * cppdefault.h (struct default_include): Add multilib flag.
21124 * cppdefault.c (cpp_include_defaults): Set it.
21125 * c.opt (-imultilib): New option.
21126 * c-opts.c (imultilib): New.
21127 (c_common_handle_option): Handle -imultilib.
21128 (c_common_post_options): Likewise.
21129 * c-incpath.c (add_standard_paths, register_include_chains):
21131 * c-incpath.h (register_include_chains): Add extra parameter.
21132 * gcc.c (do_spec_1): Generate -imultilib option.
21133 (The Specs Language): Update %I description.
21134 (process_command): Update copyright notice.
21135 * doc/cppopts.texi (-imultilib): Document.
21136 * doc/invoke.texi (-imultilib): Include in option summary.
21137 (%I): Update specs documentation.
21139 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21141 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21143 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21145 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21148 2006-01-20 Richard Guenther <rguenther@suse.de>
21149 Steven Bosscher <stevenb.gcc@gmail.com>
21151 PR rtl-optimization/24626
21152 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21153 EDGE_TRUE_VALUE if in RTL mode.
21156 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21157 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21159 2006-01-20 Dirk Mueller <dmueller@suse.com>
21162 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21163 instead of a special NOP marker.
21164 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21165 NOP marker handling.
21166 * c-common.h (empty_body_warning): Add forward declaration.
21167 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21168 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21170 2006-01-20 Paul Brook <paul@codesourcery.com>
21172 * Makefile.in (lang_checks): Keep going if mkdir fails.
21174 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21176 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21177 be able to clean out basic block when not necessary.
21178 (df_scan_free): Fixed to properly delete information if df is
21179 unused before calling df_finish.
21180 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21181 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21183 (df_bb_refs_delete): New function.
21184 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21185 * df-core.c (df_set_blocks): Added code to properly clean out
21186 unused blocks if they are not part of the blocks to consider.
21187 Added additional null check.
21188 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21189 be able to clean out basic block when not necessary
21190 * df.h (df_free_bb_function): Ditto.
21191 (df_bb_refs_delete): New function.
21192 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21193 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21194 basic block parameter to be able to clean out basic block when not
21196 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21197 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21198 Fixed to properly delete information if df is unused before
21201 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21203 PR rtl-optimization/25799
21204 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21205 Corrected confluence operator to remove bits from op2 before oring
21206 with op1 rather than removing bits from op1.
21207 (df_ru_transfer_function): Corrected test on wrong bitmap which
21208 caused infinite loop. Both of these problems were introduced in
21209 the dataflow rewrite.
21211 2006-01-19 DJ Delorie <dj@redhat.com>
21213 * reload1.c (find_reload_regs): Note the details of reload
21214 failures in the dump file.
21215 (spill_failure): Likewise.
21217 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21219 * loop-iv.c: Include df.h and hashtab.h.
21220 (enum iv_grd_result): New enum.
21221 (DF_REF_IV, DF_REF_IV_SET): New macros.
21222 (struct biv_entry): New.
21223 (df, bivs): New global variables.
21224 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21225 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21227 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21228 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21229 analyzed_for_bivness_p, record_biv): New functions.
21230 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21231 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21232 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21234 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21236 (iv_number_of_iterations): Use new interface to iv analysis.
21237 * loop-unroll.c: Do not include varray.h.
21238 (analyze_iv_to_split_insn): Use new interface to iv
21240 * loop-unswitch.c (may_unswitch_on): Ditto.
21241 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21243 (df_bb_modify): Realloc tables to the new index.
21244 (df_find_use): New function.
21245 * df.h (df_find_use): Declare.
21246 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21248 * cfgloop.h (struct rtx_iv): Remove analysed field.
21249 (iv_get_reaching_def): Removed.
21250 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21251 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21252 (loop-iv.o): Add df.h and hashtab.h dependency.
21253 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21255 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21258 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21260 (__floatundisf, __floatundidf): Likewise.
21261 * libgcc2.h (IS_IBM_EXTENDED): Define.
21263 2006-01-19 DJ Delorie <dj@redhat.com>
21265 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21267 2006-01-19 Paul Brook <paul@codesourcery.com>
21269 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21270 as nothrow when unwinding tables are disabled.
21272 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21275 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21276 of bit-field" when in system header.
21278 2006-01-19 DJ Delorie <dj@redhat.com>
21280 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21281 the 16 bit shift limit of the m16c.
21283 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21286 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21287 * config/i386/i386.c (output_set_got): Output the label if we have one
21288 for the TARGET_DEEP_BRANCH_PREDICTION case.
21290 2006-01-19 Jan Hubicka <jh@suse.cz>
21291 H.J. Lu <hongjiu.lu@intel.com>
21292 Evandro Menezes <evandro.menezes@amd.com>
21294 * invoke.texi (generic): Document
21296 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21297 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21298 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21299 (x86_use_incdec, x86_pad_returns): New variables
21300 (TARGET_CPU_DEFAULT_generic): New constant
21301 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21302 (enum processor_type): Add generic32 and generic64.
21303 * i386.md (cpu attribute): Add generic32/generic64
21304 (movhi splitter): Behave sanely when both partial_reg_dependency and
21305 partial_reg_stall are set.
21306 (K8 splitters): Enable for generic as well.
21307 * predicates.md (incdec_operand): Use TARGET_INCDEC
21308 (aligned_operand): Avoid memory mismatch stalls.
21309 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21310 * ppro.md: Enable for generic32
21311 * i386.c (generic64_cost, generic32_cost): New.
21312 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21313 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21314 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21315 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21316 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21317 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21318 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21319 x86_accumulate_outgoing_args, x86_prologue_using_move,
21320 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21321 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21322 Enable for generic.
21323 (x86_use_incdec, x86_pad_returns): New.
21324 (override_options): Add generic32 and generic64, translate "generic"
21325 to generic32/generic64 and "i686" to "generic32", refuse
21326 "generic32"/"generic64" as arch target.
21327 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21328 (ix86_reorg): Honor PAD_RETURNS.
21330 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21332 * tree-pretty-print.c (dump_generic_node): Handle
21333 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21334 * cgraph.c (cgraph_expand_queue): Rename from
21335 cgraph_analyze_queue. Update all users.
21336 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21337 cgraph_expand_queue.
21338 (cgraph_expand_all_functions): Likewise.
21339 (cgraph_finalize_pending_functions): Remove. Update callers.
21341 * tree.h (OMP_DIRECTIVE_P): Define.
21342 (OMP_PARALLEL_FN): Define.
21343 (OMP_PARALLEL_DATA_ARG): Define.
21344 (OMP_SECTIONS_SECTIONS): Define.
21345 * tree-pass.h (pass_expand_omp): Declare.
21346 * omp-low.c (struct omp_region): Declare.
21347 (struct omp_context): Remove fields 'parallel_type',
21348 'parallel_start_ix' and 'parallel_start_additional_args'.
21350 (struct omp_for_data): Rename from struct expand_omp_for_data.
21351 (omp_regions): New static variable.
21352 (root_omp_region): New static variable.
21353 (find_omp_clause): Make static.
21354 (is_in_combined_parallel_ctx): Remove.
21355 (is_combined_parallel): New.
21356 (extract_omp_for_data): Move earlier in the file.
21357 (workshare_safe_to_combine_p): New.
21358 (get_ws_args_for): New.
21359 (determine_parallel_type): Move earlier in the file.
21360 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21362 (omp_copy_decl): Likewise.
21363 (create_omp_child_function): Likewise.
21364 (lookup_omp_region): New.
21365 (dump_omp_region): New.
21366 (debug_omp_region): New.
21367 (debug_all_omp_regions): New.
21368 (new_omp_region): New.
21369 (scan_omp_parallel): If parallel_nesting_level > 1, the
21370 directive is nested within another parallel directive.
21371 Set OMP_PARALLEL_FN.
21372 (scan_omp_for): Do not try to handle combined parallel+for
21374 Remove FIXME comment.
21375 (scan_omp_nested): Remove.
21376 (scan_omp_1): Do not call scan_omp_nested when
21377 parallel_nesting_level is > 1.
21378 Do not change the DECL_CONTEXT of local variables found.
21379 (lookup_decl_in_outer_ctx): New.
21380 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21381 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21382 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21383 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21384 If CTX is nested, lookup VAR in the outer context when
21385 building copy assignment.
21386 (lower_send_clauses): Rename from expand_send_clauses.
21387 If CTX is nested, lookup VAR in the outer context when
21388 building copy assignments.
21389 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21390 If CTX is nested, lookup VAR in the outer context when
21391 building copy assignments.
21392 (expand_parallel_call): Rename from build_parallel_call.
21393 Handle combined parallel+workshare cases.
21394 Re-implement to emit code into the CFG.
21396 (expand_omp_parallel): Re-implement to emit code into the CFG.
21397 Call move_sese_region_to_fn to outline the sub-graph
21398 containing the parallel region.
21399 (expand_omp_for_1): Remove.
21400 (expand_omp_for_generic): Re-implement to emit code into the
21402 (expand_omp_for_static_nochunk): Likewise.
21403 (expand_omp_for_static_chunk): Likewise.
21404 (expand_omp_for): Likewise.
21405 (expand_omp_sections): Likewise.
21406 (remove_exit_barriers): New.
21407 (expand_omp_synch): New.
21409 (build_omp_regions_1): New.
21410 (build_omp_regions): New.
21411 (execute_expand_omp): New.
21412 (gate_expand_omp): New.
21413 (pass_expand_omp): Define.
21414 (lower_omp_sections): Rename from expand_omp_sections.
21415 Set OMP_SECTIONS_SECTIONS.
21416 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21417 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21418 (lower_omp_single): Rename from expand_omp_simple.
21419 (lower_omp_master): Rename from expand_omp_master.
21420 (lower_omp_ordered): Rename from expand_omp_ordered.
21421 (lower_omp_critical): Rename from expand_omp_critical.
21422 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21423 (lower_omp_for): Re-implement.
21424 (lower_omp_parallel): Re-implement.
21425 (lower_regimplify): Rename from expand_regimplify.
21426 (lower_omp_1): Rename from expand_omp_1.
21427 If there are syntax errors in the program, replace every
21428 OpenMP directive with NOP.
21429 Call lower_omp_* instead of expand_omp_*.
21430 (lower_omp): Rename from expand_omp.
21432 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21433 * tree-gimple.h (enum omp_parallel_type): Remove.
21434 (gimple_boolify): Declare extern.
21435 (find_omp_clause, determine_parallel_type): Remove.
21437 * gimple-low.c (lower_omp_directive): New.
21438 (lower_stmt): Call it.
21439 (record_vars_into): Move from ...
21440 (record_vars): ... here.
21441 Call record_vars_into with current_function_decl.
21443 * gimplify.c (struct gimplify_ctx): Remove fields
21444 combined_pre_p and combined_ctxp. Update users.
21445 (get_formal_tmp_var): Add documentation.
21446 (gimple_boolify): Make extern.
21447 (gimplify_expr_in_ctx): Remove. Update callers.
21448 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21449 will always be a BIND_EXPR.
21450 (gimplify_expr): Handle OMP_RETURN_EXPR.
21451 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21452 (OMP_PARALLEL): Add 3 operands.
21453 (OMP_SECTIONS): Add 1 operand.
21454 (OMP_RETURN_EXPR): Define.
21456 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21457 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21458 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21459 creating a circular free list.
21460 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21462 * tree-flow.h (move_sese_region_to_fn): Declare.
21463 (record_vars_into): Declare.
21464 * tree-cfg.c (make_omp_sections_edges): New.
21465 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21466 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21467 OMP_SECTIONS and OMP_SECTION.
21468 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21469 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21470 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21471 (gather_blocks_in_sese_region): New.
21472 (struct move_stmt_d): Declare.
21473 (move_stmt_r): New.
21474 (move_block_to_fn): New.
21475 (move_sese_region_to_fn): New.
21477 * passes.c (init_optimization_passes): Schedule
21478 pass_expand_omp after pass_init_datastructures.
21480 * tree-ssa-operands.c (get_expr_operands): Handle
21481 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21482 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21484 2006-01-19 Jeff Law <law@redhat.com>
21486 * tree-vrp.c (extract_range_from_assert): Refine the result range
21487 if the variable referenced by the ASSERT_EXPR has a range and
21488 either the tentative result range or the previous range is a
21491 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21493 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21495 2006-01-19 Jan Hubicka <jh@suse.cz>
21497 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21499 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21501 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21502 (expand_compound_operation, expand_field_assignment): Fail if the
21503 bit lengths of an extract operation are out of range.
21504 (make_extraction): Compute wanted_inner_mode based on the position
21505 and length of the extraction. Make it extraction_mode for non-constant
21506 positions, and do not modify offset in that case. When generating a
21507 new MEM, use a mode that can hold the extraction while keeping correct
21508 alignment. Remove code that supported MEMs wrapped by USEs.
21509 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21511 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21513 * config/s390/s390.md ("Y", "y"): New mode attribute.
21514 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21515 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21516 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21517 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21518 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21519 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21520 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21521 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21522 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21523 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21524 "addsi3", "subsi3"): Insn patterns removed.
21525 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21526 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21527 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21528 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21529 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21530 "*sub<mode>3_cconly2"): New insn patterns.
21531 ("addsi3", "subsi3"): New expanders.
21533 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21535 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21536 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21537 existing STMT_VINFO_VECTYPE if available.
21538 (vect_mark_relevant): Add special handling for stmts that are
21539 marked as STMT_VINFO_IN_PATTERN_P.
21540 (vect_analyze_loop): Call vect_pattern_recog.
21541 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21542 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21544 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21545 (vect_recog_func_ptr): New function-pointer type.
21546 * tree-vect-patterns.c: New file.
21547 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21548 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21549 (vect_pattern_recog_1): New functions.
21550 (vect_pattern_recog_funcs): New array of function pointers.
21552 * tree-vectorizer.h (ternary_op): New enum value.
21553 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21554 declaration. Revised documentation. Removed redundant dump prints.
21555 Removed redundant argument. Added support for reduction patterns.
21556 (vectorizable_reduction): Added support for reduction patterns.
21557 (vect_transform_stmt): Added support for patterns.
21559 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21560 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21561 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21562 (expand_widen_pattern_expr): New function.
21563 (init_optabs): Initialize new optabs udot_prod_optab,
21565 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21566 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21567 (expand_widen_pattern_expr): New function declaration.
21568 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21570 * tree-inline.c (estimate_num_insns_1): Added cases for new
21571 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21572 * tree-pretty-print.c (dump_generic_node): Likewise.
21573 (op_prio): Likewise.
21574 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21575 * tree-ssa-operands.c (get_expr_operands): Added case for
21577 * tree-vect-patterns.c (widened_name_p): New function.
21578 (vect_recog_dot_prod_pattern): Added function implementation.
21579 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21580 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21581 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21582 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21584 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21585 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21586 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21587 (init_optabs): Initialize new optabs widen_ssum_optab,
21589 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21590 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21591 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21592 use instead of type of def.
21593 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21594 function implementation.
21595 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21596 widen_ssumv8hi): New.
21598 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21601 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21604 * c-decl.c (add_flexible_array_elts_to_size): New function.
21605 (finish_decl): Use it.
21607 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21609 * diagnostic.h: Include options.h.
21610 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21611 dependancies for diagnostic.h.
21612 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21614 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21616 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21617 (ssa_ro_call_cache_valid): Ditto.
21618 * tree-ssa-alias.c (sort_tags_by_id): New function.
21619 (init_transitive_clobber_worklist): Ditto.
21620 (add_to_worklist): Ditto.
21621 (mark_aliases_call_clobbered): Ditto.
21622 (compute_tag_properties): Ditto.
21623 (set_initial_properties): Ditto.
21624 (compute_call_clobbered): Ditto.
21625 (compute_may_aliases): Call compute_call_clobbered and grouping.
21626 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21627 (compute_flow_insensitive_aliasing): Grouping now happens in our
21629 (setup_pointers_and_addressables): Remove clobbering related code.
21630 (add_may_alias): Ditto.
21631 (replace_may_alias): Ditto.
21632 (get_nmt_for): Ditto.
21633 (create_global_var):
21634 (is_escape_site): Return an escape_type enumeration.
21635 * tree-flow-inline.h (is_call_clobbered): Global var does not
21636 imply call clobbered.
21637 (mark_call_clobbered): Take a reason for marking this. Remove
21638 marking of globalness, and cache invalidation.
21639 (clear_call_clobbered): Remove cache invalidation code.
21640 * tree-dfa.c (dump_variable): If details is on, dump the reason
21642 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21644 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21645 (struct var_ann_d): Ditto.
21646 (enum escape_type): New.
21647 (mark_call_clobbered): Adjust prototype.
21648 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21649 are never call clobbered.
21650 Record reasons for escaping.
21651 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21652 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21653 (ssa_ro_call_cache_valid): Ditto.
21654 (clobbered_v_may_defs): Ditto.
21655 (clobbered_vuses): Ditto.
21656 (ro_call_vuses): Ditto.
21657 (clobber_stats): New.
21658 (init_ssa_operands): Zero out clobber stats.
21659 (fini_ssa_operands): Print out clobber stats.
21660 (get_call_expr_operands): Pass callee fndecl to
21661 add_call_read_ops).
21662 (add_call_clobber_ops): Remove use of cache.
21663 Add use of PURE_CONST information.
21664 (add_call_read_ops): Remove use of cache.
21665 Add use of static not_read information.
21667 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21669 Introduce TLS descriptors for i386 and x86_64.
21670 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21671 (TARGET_ANY_GNU_TLS): New macro.
21672 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21673 (struct machine_function): Add tls_descriptor_call_expanded_p.
21674 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21675 (ix86_current_function_calls_tls_descriptor): Likewise.
21676 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21677 (override_options): Introduce gnu2 tls dialect.
21678 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21680 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21682 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21683 (ix86_init_machine_status): Initialize new field.
21684 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21685 (ix86_tls_module_base): New.
21686 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21687 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21688 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21689 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21690 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21691 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21692 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21693 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21694 * config/i386/predicates.md (tls_modbase_operand): New.
21695 (tp_or_register_operand): New.
21697 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21699 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21700 (look_for_address_of): Ditto.
21701 (ipa_init): Walk the function decls.
21702 (static_execute): Don't set readonly on FUNCTION_DECL's.
21704 2006-01-18 Roger Sayle <roger@eyesopen.com>
21706 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21707 for shifts where the source and destination registers are different.
21709 2006-01-18 Paul Brook <paul@codesourcery.com>
21711 Merge from csl-arm-branch.
21712 2005-03-14 Julian Brown <julian@codesourcery.com>
21713 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21714 (aeabi_llsl): Likewise.
21715 (ashrdi3): Likewise.
21716 (aeabi_lasr): Likewise.
21717 (lshrdi3): Likewise.
21718 (aeabi_llsr): Likewise.
21719 2005-03-10 Julian Brown <julian@codesourcery.com>
21720 * config.gcc: Disable shared libgcc for SymbianOS.
21721 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21723 2006-01-18 DJ Delorie <dj@redhat.com>
21725 * c-pragma.c (handle_pragma_diagnostic): New.
21726 (init_pragma): Register it.
21727 * doc/extend.texi: Document it.
21729 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21730 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21731 (diagnostic_context): Add classify_diagnostic[].
21732 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21733 as errors if they're overridden to DK_WARNING.
21734 (diagnostic_initialize): Initialize classify_diagnostic[].
21735 (diagnostic_set_kind_override): New.
21736 (diagnostic_report_diagnostic): Check for kind changes.
21737 * opts.c (common_handle_option): Take lang_mask. Update callers.
21738 Handle OPT_Werror_.
21739 * common.opt (Werror=): New.
21740 * doc/invoke.texi: Document -Werror=*
21742 2006-01-18 Jeff Law <law@redhat.com>
21744 * tree-vrp.c (test_for_singularity): Correct test for new
21745 min limit. Use operand_equal_p rather than pointer equality
21746 for testing if new min/max values are equal.
21748 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21749 using range information until after propagation and folding.
21751 2006-01-18 Richard Henderson <rth@redhat.com>
21752 Aldy Hernandez <aldyh@redhat.com>
21753 Jakub Jelinek <jakub@redhat.com>
21754 Diego Novillo <dnovillo@redhat.com>
21756 * omp-low.c: New file.
21757 * c-omp.c: New file.
21759 2006-01-18 Richard Henderson <rth@redhat.com>
21760 Jakub Jelinek <jakub@redhat.com>
21761 Diego Novillo <dnovillo@redhat.com>
21763 * doc/invoke.texi: Document -fopenmp.
21764 * tree-dump.h (debug_function): Declare.
21765 * hooks.c (hook_bool_tree_bool_false): New function.
21766 (hook_tree_tree_null): Remove.
21767 (hook_tree_tree_tree_null): New.
21768 * hooks.h: Update to match.
21769 * tree-pretty-print.c (debug_tree_chain): New.
21770 (print_generic_expr): Handle TDF_CHAIN.
21771 (dump_generic_node): Handle BLOCK.
21772 Do not abort with incomplete SWITCH_EXPRs.
21773 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21774 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21775 print space after directive name.
21776 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21777 Handle OMP_MASTER and OMP_ORDERED.
21778 Handle printing of OMP_BODY just in one place, goto
21779 dump_omp_body in the rest of OMP_* nodes that have
21781 Don't handle clause nodes here. Update omp statements to
21782 use dump_omp_clauses.
21783 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21784 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21785 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21786 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21787 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21788 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21789 Adjust output for GOMP_PARALLEL.
21790 (dump_omp_clauses): New.
21791 (print_declaration): Dump DECL_VALUE_EXPR.
21792 (op_symbol_1): Split out of op_symbol.
21793 (dumping_stmts): Remove. Update all users.
21794 * cgraph.c (cgraph_analyze_queue): New.
21795 (cgraph_add_new_function): New.
21796 * cgraph.h (cgraph_analyze_queue): Declare.
21797 (cgraph_add_new_function): Declare.
21798 (cgraph_lower_function): Remove.
21799 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21800 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21801 and TYPE_P nodes in its default clause.
21802 (empty_body_p): New.
21803 (tree_range_check_failed): New.
21804 (build5_stat): New.
21805 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21806 OMP_CLAUSE_REDUCTION_MERGE,
21807 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21808 OMP_CLAUSE_PRIVATE_DEBUG,
21809 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21810 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21811 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21812 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21813 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21814 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21815 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21816 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21817 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21818 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21819 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21820 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21821 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21822 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21823 (TREE_RANGE_CHECK): New.
21824 (empty_body_p): Declare.
21825 (enum omp_clause_default_kind): New.
21826 (build_string_literal): Declare.
21827 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21828 (build5_stat, build5): Declare.
21829 * tree-pass.h (TDF_CHAIN): Define.
21830 * tree-pass.h (PROP_gimple_lomp): Define.
21831 (pass_lower_omp): Declare.
21832 * diagnostic.h (debug_tree_chain): Declare.
21833 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21835 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21836 * builtins.c (build_string_literal): Make extern.
21837 * gcc.c (include_spec_function): New.
21838 (static_spec_functions): Add it.
21839 (main): Move load of libgomp.spec ...
21840 (LINK_COMMAND_SPEC): ... here.
21841 (link_gomp_spec): New.
21842 (static_specs): Include it.
21843 (LINK_COMMAND_SPEC): Add link_gomp.
21844 (GOMP_SELF_SPECS): New.
21845 (driver_self_specs): Include it.
21846 (switch_matches): Don't mark inline.
21847 (main): Load libgomp.spec.
21848 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21849 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21850 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21851 * tree-gimple.h (enum omp_parallel): Declare.
21852 (determine_parallel_type): Declare.
21853 (omp_firstprivatize_variable): Declare.
21854 (omp_reduction_init): Declare.
21855 (diagnose_omp_structured_block_errors): Declare.
21856 (struct walk_stmt_info): Add want_return_expr.
21857 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21858 (find_omp_clause): Declare.
21859 (insert_field_into_struct): Declare.
21860 (struct walk_stmt_info): Move from tree-nested.c
21861 (walk_stmts): Declare.
21862 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21864 * cgraphunit.c (cgraph_lower_function): Make static.
21865 (cgraph_finalize_pending_functions): New.
21866 (cgraph_finalize_function): Call it.
21867 (cgraph_finalize_compilation_unit): Likewise.
21868 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21869 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21870 (BT_FN_UINT_UINT): New.
21871 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21872 DEF_FUNCTION_TYPE_VAR_4): Document.
21873 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21874 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21875 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21876 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21877 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21878 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21879 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21880 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21881 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21882 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21883 into separate files.
21884 (DEF_GOMP_BUILTIN): New.
21885 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21886 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21887 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21888 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21889 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21890 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21891 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21892 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21893 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21894 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21895 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21896 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21897 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21898 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21899 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21900 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21901 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21902 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21903 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21904 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21905 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21906 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21907 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21908 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21909 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21910 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21911 * sync-builtins.def: New file, moved from builtins.def.
21912 * omp-builtins.def: New file, moved from builtins.def.
21913 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21914 * gimple-low.c (lower_function_body): Clear data.
21915 (lower_stmt): Do not handle COMPOUND_EXPR.
21916 Remove call to print_node_brief.
21917 * c-tree.h (c_finish_omp_clauses): New prototype.
21918 (C_DECL_THREADPRIVATE_P): Define.
21919 (lookup_name_no_remap, c_omp_remap_private): Remove
21920 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21921 (check_for_loop_decls): Update decl.
21922 (lookup_name_no_remap, c_omp_remap_private): Declare.
21923 (build_indirect_ref, build_modify_expr, pushdecl,
21924 pushdecl_top_level): Move to c-common.h.
21925 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21926 before the switch, but just in the 2 places that need it.
21927 * c-decl.c (diagnose_mismatched_decls): Do not check for
21928 mismatched thread-local attributes when OLDDECL is marked
21929 threadprivate and NEWDECL has no thread-local attributes.
21930 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21931 (c_gimple_diagnostics_recursively): Rename from
21932 c_warn_unused_result_recursively. Invoke
21933 diagnose_omp_structured_block_errors.
21934 (check_for_loop_decls): Return a singular decl found.
21935 * langhooks.c (lhd_omp_predetermined_sharing): Return
21936 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21937 (lhd_omp_firstprivatize_type_sizes): New.
21938 (lhd_omp_assignment): New.
21939 (lhd_omp_predetermined_sharing): New.
21940 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21941 (struct lang_hooks_for_types): Add
21942 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21943 omp_predetermined_sharing, omp_disregard_value_expr,
21944 omp_private_debug_clause, omp_clause_default_ctor,
21945 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21946 (c_finish_omp_clauses): New.
21947 (c_finish_bc_stmt): Diagnose break within omp for.
21948 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21949 (build_unary_op): Return error_mark after reporting
21951 (build_modify_expr): Likewise.
21952 * gimplify.c: Include optabs.h and pointer-set.h.
21953 (enum gimplify_omp_var_data): Declare.
21954 (struct gimplify_omp_ctx): Declare.
21955 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21957 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21958 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21959 (splay_tree_compare_decl_uid): New.
21960 (new_omp_context): New.
21961 (delete_omp_context): New.
21962 (gimple_add_tmp_var): Call omp_add_variable.
21963 (gimplify_bind_expr): Likewise.
21964 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21965 true, disregard DECL_VALUE_EXPR on the decl if any.
21966 (gimplify_expr_in_ctx): New.
21967 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21968 omp_add_variable, omp_notice_variable, omp_is_private
21969 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21970 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21971 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21972 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21973 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21974 gimplify_omp_atomic): New.
21975 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21976 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21977 OMP_CRITICAL and OMP_ATOMIC.
21978 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21979 * c-pragma.h (enum pragma_kind): Add
21980 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21981 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21982 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21983 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21984 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21985 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21986 PRAGMA_OMP_THREADPRIVATE.
21987 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21988 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21989 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21990 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21991 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21992 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21993 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21994 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21995 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21996 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21997 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21998 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21999 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22001 (struct nesting_info): Add field_map,
22002 suppress_expansion, debug_var_chain.
22003 (create_nesting_tree): Initialize them.
22004 (lookup_field_for_decl): Use field_map.
22005 (get_nonlocal_debug_decl, get_local_debug_decl): New.
22006 (convert_local_omp_clauses): New.
22007 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22008 (walk_body): Split out of walk_function.
22009 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22010 (convert_nonlocal_reference): Handle omp statements.
22011 (convert_local_reference): Likewise.
22012 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22013 (unnest_nesting_tree): New.
22014 (lower_nested_functions): Call it.
22015 (insert_field_into_struct): Make extern.
22016 (struct walk_stmt_info): Move to tree-gimple.h.
22017 (walk_stmts): Make extern.
22018 * omp-builtins.def: New file.
22019 * tree-iterator.c (expr_only): Clarify comment.
22020 * c-common.h (pushdecl_top_level, pushdecl,
22021 build_modify_expr, build_indirect_ref,
22022 c_finish_omp_master, c_finish_omp_critical,
22023 c_finish_omp_ordered, c_finish_omp_barrier,
22024 c_finish_omp_atomic, c_finish_omp_flush,
22025 c_finish_omp_for, c_split_parallel_clauses,
22026 omp_clause_default_kind, c_omp_sharing_predetermined,
22027 c_omp_remap_decl): Declare.
22028 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22029 (OBJS-common): Add omp-low.o.
22030 (c-omp.o, omp-low.o): Add.
22031 (gimplify.o): Add dependency on $(OPTABS_H).
22032 (GTFILES): Add omp-low.c.
22033 (gt-stringpool.h): Add.
22034 * tree-cfg.c (set_bb_for_stmt): Do not update the
22035 block-to-labels map if we are currently expanding to RTL.
22036 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22038 Handle IDENTIFIER_NODE.
22039 (tree_verify_flow_info): Do not ICE when emitting error
22040 messages about invalid labels.
22041 (dump_function_to_file): Reset CFUN before emitting the body
22043 (debug_function): New.
22044 * passes.c (init_optimization_passes): Schedule
22046 * langhooks-def.h (lhd_omp_predetermined_sharing,
22047 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22049 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22050 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22051 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22052 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22053 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22054 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22055 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22056 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22057 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22058 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22059 (LANG_HOOK_DECLS): Use them.
22061 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22062 Richard Henderson <rth@redhat.com>
22063 Jakub Jelinek <jakub@redhat.com>
22064 Diego Novillo <dnovillo@redhat.com>
22066 * c-parser.c (pragma_omp_clause): Define.
22067 (c_parser_declaration_or_fndef): Document OpenMP syntax.
22068 (c_parser_compound_statement): Likewise.
22069 (c_parser_statement): Likewise.
22070 (c_parser_pragma): Handle omp pragmas.
22071 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22072 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22073 (c_parser_omp_clause_name, check_no_duplicate_clause,
22074 c_parser_omp_variable_list,
22075 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22076 c_parser_omp_clause_copyprivate,
22077 c_parser_omp_clause_default,
22078 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22079 c_parser_omp_clause_lastprivate,
22080 c_parser_omp_clause_nowait,
22081 c_parser_omp_clause_num_threads,
22082 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22083 c_parser_omp_clause_reduction,
22084 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22085 c_parser_omp_all_clauses, c_parser_omp_structured_block,
22086 c_parser_omp_atomic, c_parser_omp_barrier,
22087 c_parser_omp_critical, c_parser_omp_flush,
22088 c_parser_omp_for_loop, c_parser_omp_for,
22089 c_parser_omp_master, c_parser_omp_ordered,
22090 c_parser_omp_sections_scope, c_parser_omp_sections,
22091 c_parser_omp_parallel, c_parser_omp_single,
22092 c_parser_omp_construct, c_parser_omp_threadprivate): New.
22093 * c-pragma.c (init_pragma): Do omp pragma registration here.
22094 * c.opt (fopenmp): New flag.
22096 2006-01-18 Eric Christopher <echristo@apple.com>
22098 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22099 * config/darwin.h (GOMP_SELF_SPECS): Define.
22101 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22103 * rtl.h: Remove the prototype for reg_alloc.
22105 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22108 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22109 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22110 sjlj and dwarf2 exception handling.
22111 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22112 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22113 * pa/pa.c (function_value): Treat complex and vector types as
22115 (function_arg): Likewise. Only pass scalar floats in the floating
22116 point argument registers.
22117 * pa/t-slibgcc-dwarf-ver: New file.
22118 * pa/t-slibgcc-sjlj-ver: New file.
22119 * pa/t-slibgcc-elf-ver: Delete file.
22121 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22123 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22124 unlikely_test_section_p test.
22126 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22128 * mode-switching.c (optimize_mode_switching): Make it static.
22129 * basic-block.h: Remove the prototype for
22130 optimize_mode_switching.
22132 * modulo-sched.c (sms_schedule): Make it static.
22133 * rtl.h: Remove the prototype for sms_schedule.
22135 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22136 * rtl.h: Remove the prototype for gcse_after_reload_main.
22138 * reg-stack.c (reg_to_stack): Make it static.
22139 * rtl.h: Remove the prototype for reg_to_stack.
22141 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22143 * rtl.h: Remove the prototypes for regrename_optimize and
22144 copyprop_hardreg_forward.
22146 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22148 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22149 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22150 Test against the appropriate null constant for the mode.
22151 If 'fixup_overlap' is true, swap the operands if they overlap.
22152 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22153 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22154 alpha_split_tmode_pair and adjust for above change.
22155 * config/alpha/alpha.md (movtf_internal): Adjust call to
22156 alpha_split_tfmode_pair and rely on it to swap the operands.
22157 (movti_internal): New insn and post-reload splitter.
22158 (movti): New expander.
22160 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22162 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22165 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22167 * rtlanal.c (global_reg_mentioned_p_1,
22168 global_reg_mentioned_p): Remove.
22169 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22171 * flow.c (initialize_uninitialized_subregs): Make it static.
22172 * rtl.h: Remove the prototype for
22173 initialize_uninitialized_subregs.
22175 * function.c (instantiate_virtual_regs): Make it static.
22176 * function.h: Remove the prototype for
22177 instantiate_virtual_regs.
22179 * regmove.c (regmove_optimize, combine_stack_adjustments):
22181 * rtl.h: Remove the prototypes for regmove_optimize and
22182 combine_stack_adjustments.
22184 2006-01-17 Roger Sayle <roger@eyesopen.com>
22186 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22187 (size_cost): Encode costs in bytes so that a reg-reg addition is
22188 equivalent to COSTS_N_INSNS(1).
22189 (override_options): Use the size_cost.branch_cost as the default
22190 ix86_branch_cost when optimizing for size.
22192 2006-01-18 Ben Elliston <bje@au.ibm.com>
22194 * Makefile.in (D32PBIT_FUNCS): New.
22195 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22196 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22197 D64PBIT_FUNCS and D128PBIT_FUNCS.
22198 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22199 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22201 (decnumber_dep): Define.
22202 * doc/libgcc.texi (Decimal float library routines): New node.
22203 * config/dfp-bit.h, config/dfp-bit.c: New files.
22205 2006-01-18 Ben Elliston <bje@au.ibm.com>
22207 * expr.c (emit_move_change_mode): Always adjust addresses, not
22208 just during reload. Copy replacements only during reload.
22209 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22210 emit_move_via_integer.
22212 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22214 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22215 instead of $(srcdir) and ${srcdir}.
22217 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22220 PR middle-end/11135
22221 * arm.h (struct machine_function): Add pic_reg.
22222 * arm.c (arm_pic_register): Make unsigned.
22223 (arm_override_options): Only set arm_pic_register if
22224 TARGET_SINGLE_PIC_BASE.
22225 (use_return_insn): Only test for a pic register if it is fixed.
22226 (arm_compute_save_reg0_reg12_mask): Likewise.
22227 (thumb_compute_save_reg_mask): Likewise.
22228 (legitimate_pic_operand): Factor out some known invariants.
22229 (legitimize_pic_address): If we don't have a fixed pic register,
22230 then set up a pseudo in the function entry sequence. Handle the
22231 pic base being in a pseudo.
22232 (arm_load_pic_register): Handle the pic register being in a pseudo.
22233 (arm_expand_prologue): Only set up the pic register if it is fixed.
22234 (thumb_expand_prologue): Likewise.
22235 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22236 (pic_load_addr_based_insn): Likewise.
22237 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22240 2006-01-18 Ben Elliston <bje@au.ibm.com>
22242 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22243 decimal float modes for all floating point registers.
22245 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22246 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22248 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22251 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22252 even when the pointer is not NULL.
22254 2006-01-16 Ian Lance Taylor <ian@airs.com>
22256 * common.opt (ftoplevel-reorder): New option.
22257 * cgraph.c (cgraph_asm_nodes): New global variable.
22258 (cgraph_asm_last_node): New static variable.
22259 (cgraph_order): New global variable.
22260 (cgraph_create_node): Set new order field.
22261 (cgraph_varpool_node): Likewise.
22262 (decide_is_variable_needed): Return true if not
22263 flag_toplevel_reorder.
22264 (cgraph_add_asm_node): New function.
22265 * cgraph.h (struct cgraph_node): Add order field.
22266 (struct cgraph_varpool_node): Add order field.
22267 (struct cgraph_asm_node): Define.
22268 (cgraph_asm_nodes, cgraph_order): Declare.
22269 (cgraph_add_asm_node): Declare.
22270 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22272 (cgraph_varpool_assemble_pending_decls): Call it.
22273 (cgraph_output_pending_asms): New static function.
22274 (cgraph_finalize_compilation_unit): Call it.
22275 (struct cgraph_order_sort): Define.
22276 (cgraph_output_in_order): New static function.
22277 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22278 !flag_toplevel_reorder case.
22279 * c-parser.c: Include "cgraph.h".
22280 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22282 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22283 than -fno-unit-at-a-time.
22284 * doc/invoke.texi (Option Summary): Mention
22285 -fno-toplevel-reorder.
22286 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22287 -funit-at-a-time documentation.
22289 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22290 Kazu Hirata <kazu@codesourcery.com>
22292 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22294 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22296 * Makefile.in (FUNCTION_H): New. Use it instead of
22297 function.h throughout the file.
22298 * function.h: Include tree.h.
22300 2006-01-17 Ben Elliston <bje@au.ibm.com>
22302 * recog.c: Separate some functions with whitespace.
22304 2006-01-16 Richard Henderson <rth@redhat.com>
22306 Merge from gomp branch:
22307 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22308 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22309 and rename from struct inline_data. Rename callee* to dst*;
22310 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22311 transform_new_cfg, transform_return_to_modify, and
22312 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22314 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22315 (copy_decl_for_dup): Remove.
22316 * tree-inline.c (struct inline_data): Move to header.
22317 (insert_decl_map): Export.
22318 (remap_decl): Update for member name changes. Use copy_decl hook.
22319 Allow for replacement to be a non-decl. Remove dead code.
22320 (remap_type_1): Check for existing mapping.
22321 (remap_type): Export.
22322 (remap_decls): Update for member name changes.
22323 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22324 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22325 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22326 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22327 (tree_function_versioning, build_duplicate_type): Likewise.
22328 (copy_body_r): Likewise. Export.
22329 (copy_decl_for_dup): Split into ...
22330 (copy_decl_for_dup_finish, copy_decl_to_var,
22331 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22332 (replace_ref_tree, inlining_p): Remove.
22334 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22336 * ifcvt.c (if_convert): Make it static.
22337 * rtl.h: Remove the prototype for if_convert.
22339 * local-alloc.c (local_alloc): Make it static.
22340 * rtl.h: Remove the prototype for local_alloc.
22342 * loop.c (loop_optimize): Make it static.
22343 * cfgloop.h: Remove the prototype for loop_optimize.
22346 2006-01-16 DJ Delorie <dj@redhat.com>
22348 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22351 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22353 * pa.md: Disparage copies between general and floating-point registers
22354 in 32-bit move patterns.
22356 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22359 * Makefile.in (check-%): Depend on site.exp instead of
22360 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22363 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22365 * global.c (global_alloc): Make it static.
22366 * rtl.h: Remove the prototype for global_alloc.
22368 2006-01-16 Richard Guenther <rguenther@suse.de>
22370 * tree-ssa-alias.c (struct used_part): Add write_only field.
22371 (get_or_create_used_part_for): Initialize it to true.
22372 (create_overlap_variables_for): Don't create structure variables
22373 for structures that only are written to.
22374 (find_used_portions): Handle MODIFY_EXPR to track whether a
22375 structure is only written to.
22377 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22379 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22381 * basic-block.h: Remove the prototype for
22382 partition_hot_cold_basic_blocks.
22384 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22386 * cppspec.c (lang_specific_spec_functions): Remove.
22387 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22388 * gcc.h (lang_specific_spec_functions): Remove.
22389 * gccspec.c (lang_specific_spec_functions): Remove.
22391 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22393 * combine.c (record_value_for_reg): Invalidate registers
22395 (record_dead_and_set_regs_1): Likewise, by passing them to
22396 record_value_for_reg.
22397 (record_dead_and_set_regs): Invalidate stores made by a
22398 call. We do not combine across a call, but we still
22399 relied on equivalences.
22401 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22403 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22404 vrp_int_const_binop returning non-constant nodes.
22406 2006-01-16 Paul Brook <paul@codesourcery.com>
22408 * config/m68k/m68k.c (output_move_const_into_data_reg):
22409 Output correct mnemonic for mvz and mvs.
22411 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22413 * rtl-factoring.c: Add sequence abstraction algorithm.
22414 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22415 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22417 (block_has_preserve_label): New function.
22418 * common.opt: Register new pass.
22419 * Makefile.in: Ditto.
22421 * timevar.def: Ditto.
22422 * tree-pass.h: Ditto.
22423 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22424 * rtl.h (make_jump_insn_raw): Add forward decl.
22425 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22427 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22428 Roger Sayle <roger@eyesopen.com>
22430 * fold-const.c (fold_minmax): New static function.
22431 (fold_binary) <MIN_EXPR>: Call it.
22432 <MAX_EXPR>: Likewise.
22433 * stor-layout.c (place_field): Use DECL_SIZE consistently
22434 in the computation of the new record size.
22436 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22438 * cse.c (cse_condition_code_reg): Make it static.
22439 * rtl.h: Remove the prototype for cse_condition_code_reg.
22441 * combine.c (combine_instructions): Make it static.
22442 * rtl.h: Remove the prototype for combine_instructions.
22444 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22447 * tree.c (get_file_function_name_long): Concatenate the first global
22448 object name with a string derived from the input filename of the object
22451 2006-01-16 Ben Elliston <bje@au.ibm.com>
22453 * config/i386/winnt-stubs.c: Update FSF address.
22454 * config/xtensa/ieee754-df.S: Ditto.
22455 * config/xtensa/ieee754-sf.S: Ditto.
22457 2006-01-14 Ian Lance Taylor <ian@airs.com>
22459 * ifcvt.c (noce_init_if_info): New static function, broken out of
22460 noce_process_if_block.
22461 (noce_process_if_block): Call noce_init_if_info.
22462 (check_cond_move_block): New static function.
22463 (cond_move_process_if_block): New static function.
22464 (process_if_block): Call cond_move_process_if_block.
22466 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22468 * cselib.c (hash_table): Rename to cselib_hash_table.
22469 (cselib_clear_table, discard_useless_values,
22470 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22471 cselib_init, cselib_finish): Adjust uses of hash_table.
22473 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22475 PR tree-optimization/25485
22476 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22477 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22478 is known to be false and true, respectively.
22480 2006-01-14 Richard Guenther <rguenther@suse.de>
22482 PR tree-optimization/22548
22483 PR tree-optimization/22555
22484 PR tree-optimization/22501
22485 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22486 * params.def (salias-max-array-elements): New parameter.
22487 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22488 * doc/invoke.texi (salias-max-array-elements): Document.
22489 * tree-flow-inline.h (var_can_have_subvars): We also handle
22491 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22493 * tree-ssa-structalias.c (params.h): Include.
22494 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22495 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22496 (get_constraint_for): For ADDR_EXPR operating on something
22497 containing an ARRAY_REF, add all subvars to the solution.
22498 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22499 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22500 for creating MUST_DEFs.
22501 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22503 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22505 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22507 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22508 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22509 number_of_iterations_le): New functions.
22510 (number_of_iterations_special): Removed.
22511 (number_of_iterations_exit): Do not use number_of_iterations_special.
22512 * tree.c (unsigned_type_for): Always return integer type.
22514 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22515 Richard Guenther <rguenther@suse.de>
22517 PR rtl-optimization/24257
22518 * gcse.c (find_moveable_store): Only consider a store movable
22519 when the SET_SRC of the insn can be assigned to a register.
22521 2006-01-14 Ian Lance Taylor <ian@airs.com>
22523 * tree.c (tree_not_class_check_failed): New function.
22524 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22525 (tree_not_class_check_failed): Declare.
22527 2006-01-13 Ian Lance Taylor <ian@airs.com>
22529 * reload1.c (do_output_reload): Add assertion rejecting a
22532 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22534 * combine.c (struct reg_stat): Add new fields truncation_label and
22536 (record_value_for_reg): Reset truncated_to_mode.
22537 (record_truncated_value): New function.
22538 (check_promoted_subreg): Call it. Rename to check_conversions.
22539 (combine_instructions): Rename check_promoted_subreg to
22541 (reg_truncated_to_mode): New function.
22542 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22543 (gen_lowpart_or_truncate): New function.
22544 (force_to_mode): Use it instead of gen_lowpart.
22546 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22548 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22549 VAR is a tag, not its type tag.
22551 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22553 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22554 alternatives to match style of other entries.
22555 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22557 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22559 PR tree-optimization/25771
22560 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22563 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22566 * tree-inline.c (declare_return_variable): If the return variable
22567 was marked as a non gimple complex, set the return slot variable
22568 to be a non gimple comple variable.
22570 2006-01-13 Richard Guenther <rguenther@suse.de>
22572 * builtins.c (expand_builtin_sincos): New function.
22573 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22575 (expand_builtin): Expand sincos using expand_builtin_sincos.
22577 2006-01-12 DJ Delorie <dj@redhat.com>
22579 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22580 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22581 so that constant shifts can be split.
22582 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22583 (m32c_valid_pointer_mode): Make static.
22584 (shift_gen_func_for): New.
22585 (m32c_prepare_shift): Use it. Split large const shifts into
22587 * config/m32c/predicates.md (shiftcount_operand): Allow more
22589 (longshiftcount_operand): New.
22590 * doc/md.texi (Machine Constraints): Document In6.
22592 2006-01-13 Ben Elliston <bje@au.ibm.com>
22594 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22595 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22598 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22600 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22601 to try to avoid clobbering pieces of structures when we know
22602 something about the whole structure.
22603 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22605 2006-01-13 Ben Elliston <bje@au.ibm.com>
22607 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22608 return in memory, as this is no limitation is no longer present.
22610 2006-01-12 DJ Delorie <dj@redhat.com>
22612 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22613 mova with fb, and for fb+0 -> An.
22615 * config/m32c/mov.md (peephole2): Fix enabling logic.
22617 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22618 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22619 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22620 FINI_ARRAY_SECTION_ASM_OP): Define.
22622 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22624 (m32c_legitimize_reload_address): New logic to reload FB to An.
22625 (m32c_output_reg_push): Add newline.
22626 (m32c_output_reg_pop): Likewise.
22628 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22630 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22632 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22634 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22636 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22638 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22641 2006-01-11 Ben Elliston <bje@au.ibm.com>
22643 * rtlanal.c (find_reg_note): Assert insn is not null.
22645 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22647 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22650 2006-01-11 Jeff Law <law@redhat.com>
22652 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22654 (mark_threaded_blocks, register_jump_thread): New functions.
22655 (thread_through_all_blocks): Remove unwanted argument. No
22656 longer rely on e->aux to communicate thread target info.
22657 Call mark_threaded_blocks. Release the threaded_blocks
22658 bitmap and threaded_edges vector when complete.
22659 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22660 (threaded_blocks): Remove.
22661 (tree_ssa_dominator_optimize): Remove initialization and
22662 finalization of threaded_blocks. Simplify call to
22663 thread_through_all_blocks.
22664 (thread_across_edge): Call register_jump_thread rather than
22665 storing thread information into e->aux.
22666 (free_all_edge_infos): Simplify now that e->aux is no longer
22667 used to communicate with thread_through_all_blocks.
22668 * tree-flow.h (thread_through_all_blocks): Update prototype.
22669 (register_jump_thread): Prototype.
22671 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22673 * df-core.c (df_compact_blocks, df_bb_replace): Use
22674 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22676 2006-01-11 Richard Guenther <rguenther@suse.de>
22678 PR tree-optimization/25734
22679 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22680 stop propagation after successful propagation to the LHS.
22682 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22684 * basic-block.h (control_flow_graph): Change the type of
22685 x_basic_block_info to VEC(basic_block,gc) *.
22686 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22688 (SET_BASIC_BLOCK): New.
22689 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22690 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22691 * cfgbuild.c (find_basic_blocks): Likewise.
22692 * cfglayout.c (fixup_reorder_chain): Likewise.
22693 * cfgrtl.c (create_basic_block_structure,
22694 rtl_create_basic_block): Likewise.
22695 * ifcvt.c (find_if_case_1): Likewise.
22696 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22699 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22701 * Makefile.in: Removed rotted odf.c entry.
22703 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22706 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22707 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22708 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22709 output pattern modifier, not %e.
22710 * config/cris/cris.c (cris_op_str): Update comment about pattern
22712 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22713 before falling through into...
22714 <case 'E'>: Redefined from old 'e' case.
22716 2006-01-11 Jan Hubicka <jh@suse.cz>
22719 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22721 2006-01-11 Jan Hubicka <jh@suse.cz>
22723 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22724 * i386.c (x86_decompose_lea): Kill.
22725 (ix86_rtx_costs): Kill.
22727 2006-01-11 Jan Hubicka <jh@suse.cz>
22729 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22730 * cgraph.h (cgraph_node): Add inline_decl.
22731 (cgraph_insert_node_to_hashtable): Declare.
22732 (save_inline_function_body): Declare.
22733 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22735 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22736 (cgraph_function_versioning): Update call of tree_function_versioning.
22737 (save_inline_function_body): New function.
22738 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22739 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22740 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22741 (cgraph_default_inline_p): Likewise.
22742 (cgraph_decide_inlining_incrementally): Likewise.
22743 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22744 (copy_bb): Kill saving; do updating of clones.
22745 (copy_cfg_body): Kill saving.
22746 (initialize_inlined-parameters): Likewise.
22747 (expand_call_inline): Likewise.
22749 (tree_function_versioning): New parameter "update_clones".
22750 (inlining_p): Kill saving.
22751 * tree-inline.h (tree_function_versioning): Update prototype.
22752 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22755 2006-01-11 Ian Lance Taylor <ian@airs.com>
22757 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22758 Allow undoing set of machine mode.
22759 (do_SUBST): Use enums instead of is_int.
22760 (do_SUBST_MODE): New function.
22761 (SUBST_MODE): New macro.
22762 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22763 reg and trying to replace reg_regno_rtx with a new register.
22764 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22765 (simplify_set): Use SUBST_MODE.
22766 (distribute_notes): Remove code that tried to update reg notes
22767 for regno_reg_rtx changes.
22769 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22771 PR tree-optimization/23109
22772 PR tree-optimization/23948
22773 PR tree-optimization/24123
22775 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22776 * tree-cfg.c (single_noncomplex_succ): New.
22777 * tree-flow.h (single_noncomplex_succ): Declare it.
22778 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22779 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22780 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22781 insert_bb, register_division_in, insert_reciprocals,
22782 replace_reciprocal, free_bb): New.
22783 (execute_cse_reciprocals_1): Rewritten.
22784 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22785 Do not commit any edge insertion. Always compute dominators and
22786 create the allocation pool.
22787 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22788 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22789 * targhooks.c (default_min_divistions_for_recip_mul): New.
22790 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22791 * passes.c (init_optimization_passes): Run recip after tree loop
22793 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22795 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22796 Kenneth Zadeck <zadeck@naturalbridge.com>
22798 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22799 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22800 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22801 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22802 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22803 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22804 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22805 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22806 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22807 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22808 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22809 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22810 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22811 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22812 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22813 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22814 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22815 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22816 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22817 DF_SCAN_POST_ALLOC): New macros.
22818 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22819 df_free_bb_function, df_local_compute_function, df_init_function,
22820 df_dataflow_function, df_confluence_function_0,
22821 df_confluence_function_n, df_transfer_function,
22822 df_finalizer_function, df_free_function, df_dump_problem_function,
22823 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22824 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22825 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22826 df_urec_bb_info, ) New types.
22827 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22829 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22830 df_analyze_simple_change_some_blocks,
22831 df_analyze_simple_change_one_block, df_compact_blocks,
22832 df_bb_replace, df_bb_regno_last_use_find,
22833 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22834 df_insn_regno_def_p, df_find_def, df_find_use,
22835 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22836 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22837 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22838 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22839 debug_df_chain, df_get_dependent_problem, df_chain_create,
22840 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22841 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22842 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22843 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22844 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22845 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22846 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22847 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22848 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22849 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22850 df_reorganize_refs, df_set_state, df_hard_reg_init,
22851 df_read_modify_subreg_p) New public functions.
22852 * df-core.c: The core dataflow solver and glue routines for rtl
22854 (df_init, df_add_problem, df_set_blocks, df_finish,
22855 df_hybrid_search_forward, df_hybrid_search_backward,
22856 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22857 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22858 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22859 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22860 df_reg_defined, df_find_use, df_reg_used, df_dump,
22861 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22862 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22863 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22864 debug_df_useno, reset_df_after_reload): New functions.
22865 * df-scan.c: The scanning fuctions, once in df.c, completely
22866 rewritten so that they now fully model the functionality of
22867 register usage at the backend.
22868 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22869 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22870 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22871 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22872 df_get_artificial_defs, df_get_artificial_uses,
22873 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22874 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22875 df_refs_delete, df_reorganize_refs, df_set_state,
22876 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22877 df_def_record_1, df_defs_record, df_uses_record,
22878 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22879 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22880 df_record_exit_block_uses, df_hard_reg_init): New functions.
22882 * df-problems.c: Seven concrete dataflow problems that use the
22883 scanning in df-scan.c and are solved by the engine in df-core.c.
22884 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22885 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22886 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22887 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22888 df_ru_free_bb_info, df_ru_alloc,
22889 df_ru_bb_local_compute_process_def,
22890 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22891 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22892 df_ru_transfer_function, df_ru_free, df_ru_dump,
22893 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22894 df_rd_free_bb_info, df_rd_alloc,
22895 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22896 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22897 df_rd_transfer_function, df_rd_free, df_rd_dump,
22898 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22899 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22900 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22901 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22902 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22903 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22904 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22905 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22906 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22907 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22908 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22909 df_urec_mark_reg_use_for_earlyclobber,
22910 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22911 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22912 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22913 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22914 df_chain_create_bb_process_use, df_chain_create_bb,
22915 df_chain_finalize, df_chain_free, df_chains_dump,
22916 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22917 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22918 df_reg_lifetime): New functions.
22919 * df.c: Deleted file.
22920 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22921 consistent with new df api.
22922 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22923 rest_of_handle_sms): Ditto.
22924 * web.c (unionfind_union, union_defs, entry_register, web_main):
22926 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22927 invariant_expr_equal_p, find_defs, check_dependencies,
22928 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22929 free_inv_motion_data, move_loop_invariants): Ditto.
22930 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22931 Update dependencies.
22932 (odf.c): Added defective entry that was deleted later in day.
22933 * sched-deps.c (sched_analyze_1): Ditto.
22935 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22937 * tree-ssa-operands.c (get_expr_operands): Record addressable
22938 variables directly. Do not call add_stmt_operands for CONST_DECLs
22940 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22941 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22943 2006-01-11 Ben Elliston <bje@au.ibm.com>
22945 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22946 function returns true in the positive case.
22948 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22951 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22952 for SI, DI, SF and DF modes. Add alternatives to copy between
22953 general and floating point registers to the 32-bit patterns.
22954 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22955 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22956 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22957 generating 64-bit code.
22958 * config/pa/pa.c (output_move_double): Handle copies between general
22959 and floating registers.
22961 2006-01-10 Stuart Hastings <stuart@apple.com>
22963 * config/i386/i386.md (set_got): Update.
22964 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22965 (builtin_setjmp_receiver): Mach-O support.
22966 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22967 (GOT_SYMBOL_NAME): Define.
22968 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22969 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22970 * config/i386/i386.c (override_options): Revise for Darwin.
22971 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22972 support. (darwin_x86_file_end): New. (output_set_got): Add label
22973 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22974 * config/i386/i386-protos.h (output_set_got): Likewise.
22975 * config/darwin.c (machopic_legitimize_pic_address): Update
22978 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22980 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22981 when MODE isn't BLKmode.
22983 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22985 PR rtl-optimization/25367
22986 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22988 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22991 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22992 for a negative bound.
22994 2006-01-10 Richard Guenther <rguenther@suse.de>
22996 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22997 Never override with anything constraint.
22999 2006-01-10 Jan Beulich <jbeulich@novell.com>
23001 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23002 256 bits when optimize_size.
23004 2006-01-10 Jan Beulich <jbeulich@novell.com>
23006 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23008 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23009 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23012 2006-01-10 Ben Elliston <bje@au.ibm.com>
23014 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23016 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23017 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23018 (USE_FP_FOR_ARG): Reject decimal float modes.
23019 (function_arg_advance): Likewise.
23020 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23021 (rs6000_handle_altivec_attribute): Do not permit decimal floating
23022 point types in AltiVec vectors.
23023 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23024 (rs6000_libcall_value): Likewise.
23026 2006-01-09 Bob Wilson <bob.wilson@acm.org>
23028 * config/xtensa/ieee754-df.S: New file.
23029 * config/xtensa/ieee754-sf.S: New file.
23030 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23031 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23032 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23034 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
23036 * config/sh/predicates.md (binary_float_operator,
23037 binary_logical_operator, commutative_float_operator,
23038 equality_comparison_operator, greater_comparison_operator,
23039 less_comparison_operator, logical_operator,
23040 noncommutative_float_operator, shift_operator,
23041 symbol_ref_operand, unary_float_operator): Remove redundant
23044 2006-01-09 Jeff Law <law@redhat.com>
23046 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23047 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
23048 now unused arguments. Callers updated.
23049 (eliminate_redundant_computations): Remove now unused arguments,
23051 (local_fold): Remove, no longer used.
23052 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23054 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23055 (simplify_cond): New function.
23056 (forward_propagate_into_cond): Call simplify_cond.
23058 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
23060 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23061 (*vec_extractv2di_1_sse): New.
23063 2006-01-09 Ben Elliston <bje@au.ibm.com>
23065 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23067 2006-01-08 Richard Guenther <rguenther@suse.de>
23069 * tree-ssa-structalias.c (get_constraint_for): Remove
23070 anyoffset argument.
23071 (get_constraint_for_component_ref): Likewise.
23072 (do_deref): Likewise.
23073 (get_constraint_for): Likewise.
23074 (do_structure_copy): Likewise.
23075 (handle_ptr_arith): Likewise.
23076 (find_func_aliases): Likewise. Remove unused need_anyoffset
23079 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
23080 Kaz Kojima <kkojima@gcc.gnu.org>
23082 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23083 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23084 (EXTRA_CONSTRAINT_C16): Remove.
23085 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23086 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23087 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23088 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23089 constants of SHmedia. Handle nested constant expressions of
23091 (andcosts): Fix the costs for SHmedia constants.
23092 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23093 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23094 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23095 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23096 (movv4hi_i, movv2si_i): Likewise.
23097 (movsi_const): Adjust the second operand of ior so to match with
23098 the Csu constraint.
23099 (movdi_const, movdi_const_32bit): Likewise.
23100 (movdi_const_16bit+1): Don't sign-extend LOW.
23101 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23103 (*double_shori): Fix the split condition. Use GEN_INT instead
23104 of get_int_mode calls. Mask lower 16-bit of the argument of
23106 (sym2GOTPLT): Remove.
23107 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23109 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23110 instead of EXTRA_CONSTRAINT_C16.
23112 2006-01-07 Ian Lance Taylor <ian@airs.com>
23113 David Edelsohn <edelsohn@gnu.org>
23115 PR rtl-optimization/25662
23116 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23117 for constant operands instead of simplify_gen_binary.
23118 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23119 after trying simplify_binary_operation
23121 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23123 * tree.c (iterative_hash_expr): Hash decls based on UID.
23125 2006-01-06 Eric Christopher <echristo@apple.com>
23127 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23128 (TARGET_UNWIND_EMIT): Fix spelling.
23129 * target.h (gcc_target): Add except_table_label.
23130 * except.c (output_function_exception_table): Use.
23131 * varasm.c (default_emit_except_table_label): New.
23132 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23134 (asm_out): Add here.
23135 * output.h (default_emit_except_table_label): Prototype.
23136 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23137 * config/darwin.c (darwin_emit_except_table_label): Define.
23138 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23140 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23142 PR tree-optimization/18527
23143 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23144 number_of_iterations_special, number_of_iterations_exit):
23145 Move base and step of an iv to a single structure. Add
23146 no_overflow flag, and use it in # of iterations analysis.
23147 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23148 folded_casts argument.
23149 (simple_iv): Pass base and step in a structure. Set no_overflow
23151 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23152 Evaluate expensiveness of computing # of iterations instead of
23153 the final expression.
23154 * tree-scalar-evolution.h (affine_iv): New structure.
23155 (simple_iv): Declaration changed.
23156 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23157 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23158 find_givs_in_stmt): Changed due to simple_iv change.
23160 2006-01-06 Jeff Law <law@redhat.com>
23163 * tree-cfg.c (bsi_replace): Rename final argument from
23164 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23165 change (stmt -> orig_stmt).
23166 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23167 (bsi_remove): Add new argument. Remove EH information
23169 (verify_eh_throw_table_statements): New function.
23170 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23172 * tree-optimize.c (execute_free_cfg_annotations): Verify
23173 the EH throw statement table after removing annotations.
23174 * except.h (verify_eh_throw_table_statements): Prototype.
23175 * tree-flow.h (bsi_remove): Update prototype.
23176 * tree-vrp.c (remove_range_assertions): Add new argument to
23178 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23179 * tree-complex.c (expand_complex_div_wide): Likewise.
23180 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23181 * tree-tailcall.c (eliminate_tailcall): Likewise.
23182 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23183 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23184 * tree-nrv.c (tree_nrv): Likewise.
23185 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23186 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23187 (combine_blocks): Likewise.
23188 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23189 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23190 (cleanup_control_flow): Likewise.
23191 (remove_forwarder_block): Likewise.
23192 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23193 * tree-sra.c (sra_replace): Likewise.
23194 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23195 (forward_propagate_single_use_vars): Likewise.
23196 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23197 * tree-inline.c (expand_call_inline): Likewise.
23198 * tree-vect-transform.c (vect_transform_loop): Likewise.
23199 * tree-outof-ssa.c (rewrite_trees): Likewise.
23200 * tree-cfg.c (make_goto_expr_edges): Likewise.
23201 (cleanup_dead_labels): Likewise.
23202 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23203 (bsi_move_before, bsi_move_after): Likewise.
23204 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23205 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23207 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23210 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23212 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23213 on non gimple variables. Also add checks at the top for decls and
23215 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23217 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23218 and IMAGPART_EXPR for creating MUST_DEFs.
23219 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23220 and NAME_MEMORY_TAG separately from the DECLs.
23222 2006-01-06 Richard Guenther <rguenther@suse.de>
23224 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23225 annotation, if necessary.
23226 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23227 redundant calls to update_stmt.
23228 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23231 2006-01-05 Richard Henderson <rth@redhat.com>
23233 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23235 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23237 * c-typeck.c: Update copyright date.
23239 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23241 * c-typeck.c (build_c_cast): Always warn when casting
23242 from a pointer to an integer of different size, even if
23243 the node was constant.
23245 2006-01-05 Richard Guenther <rguenther@suse.de>
23247 PR tree-optimization/22555
23248 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23249 if one structure field is an array.
23250 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23251 operands even if we found a subvar, but ignore VOPs in this
23253 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23255 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23257 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23259 PR middle-end/24998
23260 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23262 2006-01-05 Richard Guenther <rguenther@suse.de>
23263 Diego Novillo <dnovillo@redhat.com>
23265 * tree-pass.h (TODO_remove_unused_locals): Define.
23266 * gimple-low.c (expand_var_p, remove_useless_vars,
23267 pass_remove_useless_vars): Remove. Update all users.
23268 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23269 (remove_unused_locals): New function.
23270 * tree-flow.h (remove_unused_locals): Declare.
23271 * passes.c (execute_todo): Call remove_unused_locals if
23272 TODO_remove_unused_locals is set.
23273 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23274 * tree-ssa-dce.c (pass_dce): Likewise.
23275 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23277 2006-01-05 Richard Guenther <rguenther@suse.de>
23279 * tree-flow.h (struct fieldoff): Decompose field to
23280 type, size and decl.
23281 * tree-ssa-alias.c (create_sft): Take type as parameter.
23282 (create_overlap_variables_for): Store type, size and decl
23283 in the fieldoff structure.
23284 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23285 of struct fieldoff.
23286 (push_fields_onto_fieldstack): Likewise.
23287 (create_variable_info_for): Likewise. Use offset for the
23288 SFT name if the decl is not available.
23290 2006-01-04 Paul Brook <paul@codesourcery.com>
23292 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23294 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23296 * lambda-code.c (can_put_in_inner_loop): Relax
23298 (can_put_after_inner_loop): New function.
23299 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23300 (perfect_nestify): Change to make copies and modify uses.
23302 2006-01-04 Richard Henderson <rth@redhat.com>
23304 Merge from gomp branch:
23305 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23306 via integer constant.
23307 (pragma_lex): Remove.
23308 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23309 rather than parsing it.
23310 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23311 handle_pragma_extern_prefix): Add %< %> quotes.
23312 (registered_pragmas): New.
23313 (c_register_pragma_1): New.
23314 (c_register_pragma): Use it.
23315 (c_register_pragma_with_expansion): Likewise.
23316 (c_invoke_pragma_handler): New.
23317 (init_pragma): Use cpp_register_deferred_pragma directly for
23319 * c-pragma.h (enum pragma_kind): New.
23320 (pragma_handler): New.
23321 (c_invoke_pragma_handler): Declare.
23322 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23324 * c-common.h (c_common_pch_pragma): Update decl.
23325 * Makefile.in (c-parser.o): Update dependencies.
23326 (GTFILES): Add c-pragma.h.
23327 * c-parser.c (struct c_token): Add pragma_kind.
23328 (struct c_parser): Add in_pragma.
23329 (c_lex_one_token): Always initialize keyword and pragma_kind.
23330 Extract data for CPP_PRAGMA.
23331 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23332 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23333 Don't allow CPP_PRAGMA_EOL if in_pragma.
23334 (c_parser_consume_pragma): New.
23335 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23336 (c_parser_skip_to_end_of_parameter): Likewise.
23337 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23338 (c_parser_skip_to_pragma_eol): New.
23339 (c_parser_external_declaration): Handle CPP_PRAGMA.
23340 (c_parser_compound_statement_nostart): Likewise.
23341 (c_parser_statement_after_labels): Likewise.
23342 (c_parser_pragma): New.
23343 (pragma_lex): Likewise.
23344 (c_parser_pragma_pch_preprocess): New.
23345 (c_parser_new): Merge into ...
23346 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23348 2006-01-04 Jeff Law <law@redhat.com>
23351 * tree-cfg.c (bsi_replace): Remove the original statement
23352 from the EH throw statement table.
23354 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23356 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23357 make the prototype extern "C" and add throw ().
23360 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23361 and pos non-negative and pos + len <= 32.
23362 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23363 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23364 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23367 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23368 as well as sizes not multiple of component size.
23371 * function.c (instantiate_expr): New function.
23372 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23373 walk its DECL_VALUE_EXPR with instantiate_expr.
23375 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23376 DW_OP_deref{,_size} if address isn't going to be added.
23378 2006-01-04 Ben Elliston <bje@au.ibm.com>
23380 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23381 * config/fp-bit.c: Likewise.
23383 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23385 * dominance.c: Add comment about why we use DFS numbering
23388 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23389 Richard Henderson <rth@redhat.com>
23391 Merge from gomp-branch:
23392 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23393 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23395 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23397 PR rtl-optimization/25578
23398 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23399 pass a parameter to simplify_shift_const if changing ASHIFTRT
23402 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23404 * builtins.c (get_builtin_sync_mem): New function.
23405 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23406 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23407 Call get_builtin_sync_mem to generate mem rtx.
23409 2006-01-03 Richard Guenther <rguenther@suse.de>
23412 * stmt.c (add_case_node): Make sure to clear overflow flags
23415 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23417 Merge from gomp-branch.
23418 * config/sparc/sync.md: New file.
23419 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23420 UNSPECV_LDSTUB): New constants.
23421 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23422 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23423 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23426 2006-01-03 Roger Sayle <roger@eyesopen.com>
23428 * combine.c (reg_subword_p): New predicate to test whether the
23429 destination of a set refers to a subword/piece of a register.
23430 (try_combine): Generalize the code to merge the setting of a
23431 pseudo to a constant followed by a set of a subword of that
23432 register to a constant.
23434 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23436 * basic-block.h (control_flow_graph): Change the type of
23437 x_label_to_block_map to VEC(basic_block,gc) *.
23438 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23439 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23441 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23442 VEC(basic_block,heap) *.
23443 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23444 ssa_prop_fini): Adjust the uses of cfg_blocks.
23446 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23448 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23450 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23451 hashing trees instead of a pointer hash.
23452 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23453 compare for MEM_EXPR.
23455 PR rtl-optimization/25130
23456 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23457 when comparing MEMs for GCSE
23459 2006-01-03 Ben Elliston <bje@au.ibm.com>
23461 * targhooks.h (default_decimal_float_supported_p): Declare.
23462 * targhooks.c (default_decimal_float_supported_p): Define.
23463 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23464 `default_decimal_float_supported_p'.
23465 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23467 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23469 * combine.c (apply_distributive_law <SUBREG>): Check
23470 TRULY_NOOP_TRUNCATION.
23472 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23474 * dwarf2out.c (have_switched_text_section): Delete.
23475 (have_multiple_function_sections): New.
23476 (have_location_lists): Make 'bool'.
23477 (add_AT_loc_list): Use 'true' not '1'.
23478 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23479 (output_loc_list): Use have_multiple_function_sections.
23480 (output_ranges): Likewise.
23481 (dwarf2out_begin_function): Set have_multiple_function_sections if
23483 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23484 Check function_section rather than DECL_SECTION_NAME.
23485 (dwarf2out_finish): Use have_multiple_function_sections.
23486 Don't clear have_location_lists.
23488 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23489 Jan Hubicka <jh@suse.cz>
23491 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23492 case of conditional jump jumping to the next instruction.
23493 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23494 cases of conditional jump jumping to the next instruction.
23496 2006-01-02 Jan Hubicka <jh@suse.cz>
23498 * i386.c (*_cost): Add COSTS_N_INSNS.
23499 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23501 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23504 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23506 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23508 * config/arm/arm.c (all_fpus): Fix comment typo.
23509 * config/darwin.c: Likewise.
23510 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23511 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23512 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23514 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23516 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23517 (rs6000_split_compare_and_swapqhi): New.
23518 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23519 (sync_compare_and_swapqhi_internal): New.
23520 * config/rs6000/rs6000-protos.h: Declare.