* rtl.h (NOTE_EXPECTED_VALUE): Remove.
[official-gcc.git] / gcc / ChangeLog
blob56ca96d68609297948f11a045a00b16c0feffe9d
1 2006-12-23  Kazu Hirata  <kazu@codesourcery.com>
3         * rtl.h (NOTE_EXPECTED_VALUE): Remove.
5 2006-12-23  Jan Hubicka  <jh@suse.cz>
7         * toplev.c (dump_memory_report): Break out from...
8         (finalize): Here.
9         * toplev.h (dump_memory_report): Declare.
10         (cmp_statistic): Rename to ...
11         (final_cmp_statistic): ... this one
12         (cmp_statistic): New.
13         (dump_ggc_loc_staitsitcs): New FINAL parpameter.
14         * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
15         * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
16         allocated so far.
17         * cgraphunit.c (cgraph_optimize): Dump the memory reports.
19 2006-12-22  Mike Stump  <mrs@apple.com>
21         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
22         -mmacosx-version-min=10.4.
23         (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
24         
25 2006-12-23  Jan Hubicka  <jh@suse.cz>
27         * tree-flow-inline.h (var_ann): External variable annotations are
28         unshared too.
29         (tree_common_ann): Handle correctly unshared variables annotations.
30         * tree-dfa.c (create_var_ann): External variable annotations are
31         unshared too.
33 2006-12-22  Kazu Hirata  <kazu@codesourcery.com>
35         * basic-block.h: Remove the prototype for
36         commit_edge_insertions_watch_calls.
37         * cfgrtl.c (commit_edge_insertion): Drop the last argument.
38         Simplify.
39         (commit_edge_insertions_watch_calls): Remove.
40         (commit_edge_insertions): Adjust the call to
41         commit_one_edge_insertion.
43 2006-12-22  Zdenek Dvorak <dvorakz@suse.cz>
45         * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
46         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
47         assert_no_overflow_lt, assert_loop_rolls_lt,
48         number_of_iterations_lt, number_of_iterations_le,
49         number_of_iterations_cond, tree_simplify_using_condition_1,
50         number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
51         implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
52         idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
53         Do not use zero_p/nonzero_p.
54         * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
55         * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
56         find_interesting_uses_op, find_interesting_uses_cond,
57         find_interesting_uses_address, find_interesting_uses_stmt,
58         strip_offset_1, add_candidate_1, add_old_ivs_candidates,
59         difference_cost, determine_use_iv_cost_condition,
60         rewrite_use_compare, remove_unused_ivs): Ditto.
61         * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
62         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
63         * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
64         * tree.h (zero_p): Declaration removed.
65         (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
67 2006-12-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
69         PR middle-end/7651
70         * c.opt (Wclobbered): New.
71         * doc/invoke.texi (Wclobbered): Document it.
72         (Wextra): Enabled by -Wextra.
73         * c-opts.c (c_common_post_options): Enabled by -Wextra.
74         * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
75         * function.c (setjmp_vars_warning): Only warn for Wclobbered.
76         (setjmp_args_warning): Likewise.
77         
78 2006-12-22  Kazu Hirata  <kazu@codesourcery.com>
80         * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
81         tree-ssa-ter.c: Fix comment typos.
83 2006-12-22  Paolo Bonzini  <bonzini@gnu.org>
85         PR rtl-optimization/29840
87         * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
88         (fwprop_init): Add DF_HARD_REGS to df_init call.
90 2006-12-21  Andrew Pinski  <pinskia@gmail.com>
92         * tree-nested.c (create_tmp_var_for): Check for vector type
93         when setting DECL_GIMPLE_REG_P.
95 2006-12-21  Roger Sayle  <roger@eyesopen.com>
97         * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
98         as the else branch of a COND_EXPR.
100 2006-12-22  Kazu Hirata  <kazu@codesourcery.com>
102         * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
103         output.h, toplev.c, tree-affine.h, tree-flow.h,
104         tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
105         tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
106         tree-vrp.c, varpool.c: Fix comment typos.
108         * cgraphunit.c, varpool.c: Fix comment typos.
110 2006-12-22  Ulrich Weigand  <uweigand@de.ibm.com>
112         * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
113         * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
114         for insn setting up the frame pointer.  Do not set it for insns
115         setting up scratch registers or storing the backchain.
117 2006-12-21  Eric Botcazou  <ebotcazou@adacore.com>
119         PR other/29639
120         * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
121         are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
122         * configure: Regenerate.
124 2006-12-21  Joseph Myers  <joseph@codesourcery.com>
126         * rtlanal.c (subreg_get_info): Do not make register size
127         computations for mode sizes not divisible by the number of
128         registers.
130 2006-12-21  Daniel Berlin  <dberlin@dberlin.org>
132         * tree-ssa-structalias.c (build_constraint_graph): Insert complex
133         offsetted constraints into rhsvar, not lhsvar.
135 2006-12-21  Jakub Jelinek  <jakub@redhat.com>
137         PR middle-end/30262
138         PR middle-end/30263
139         * tree-nested.c (walk_asm_expr): New function.
140         (walk_stmts): Use it for ASM_EXPR.
142         PR target/30230
143         * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
144         (bundling): Use it.
146 2006-12-21  Nathan Sidwell  <nathan@codesourcery.com>
148         PR target/28966
149         PR target/29248
150         * reload1.c (reload): Realign stack after it changes size.
152 2006-12-20  Roger Sayle  <roger@eyesopen.com>
154         * simplify-rtx.c (simplify_subreg): Use the correct mode when
155         determining whether a SUBREG of a CONCAT refers to the first or
156         second component.
158 2006-12-21  Ben Elliston  <bje@au.ibm.com>
160         * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
161         local variable `d'.
163 2006-12-20  Jan Hubicka  <jh@suse.cz>
165         * tree-dfa.c (add_referenced_var): Walk initializers of
166         non-constant/readonly static vars.
168 2006-12-20  Jan Hubicka  <jh@suse.cz>
170         * tree-flow-inline.h (gimple_var_anns): New function.
171         (var_ann): Use hashtable for static functions.
172         * tree-dfa.c (create_var_ann): Likewise.
173         * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
174         (init_tree_ssa): Initialize var anns.
175         (delete_tree_ssa): Delete var anns; also clear out gimple_df.
176         * tree-flow.h (struct static_var_ann_d): New structure.
177         (gimple_df): Add var_anns.
179 2006-12-20  Carlos O'Donell  <carlos@codesourcery.com>
181         PR bootstrap/30242
182         * gcc/c-incpath.c (add_standard_paths): Only relocate paths that 
183         begin with the configured prefix. 
185 2006-12-20  Jan Hubicka  <jh@suse.cz>
187         PR target/30213
188         * i386.c (expand_setmem_epilogue): Fix formating.
189         (dsmalest_pow2_greater_than): New function.
190         (ix86_expand_movmem): Improve comments; avoid re-computing of
191         epilogue size.
192         (promote_duplicated_reg_to_size): Break out from ...
193         (expand_setmem): ... this one; reorganize promotion code;
194         improve comments; avoid recomputation of epilogue size.
196 2006-12-20  Andrew Pinski  <pinskia@gmail.com>
198         PR middle-end/30143
199         * omp-low.c (init_tmp_var): New function.       
200         (save_tmp_var): New function.
201         (lower_omp_1): Use them for VAR_DECL.
203 2006-12-20  Andrew Pinski  <pinskia@gmail.com>
205         * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
206         CONSTRUCTORs as min invariants.
208 2006-12-20  Joseph Myers  <joseph@codesourcery.com>
210         * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
211         New.
212         (subreg_regno_offset, subreg_offset_representable_p): Change to
213         wrappers about subreg_get_info.
214         (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
215         * rtl.h (subreg_nregs): Declare.
216         * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
217         subreg_get_info.
218         * caller-save.c (mark_set_regs, add_stored_regs): Use
219         subreg_nregs.
220         * df-scan.c (df_ref_record): Use subreg_nregs.
221         * flow.c (mark_set_1): Use subreg_nregs.
222         * postreload.c (move2add_note_store): Use subreg_nregs.
223         * reload.c (decompose, refers_to_regno_for_reload_p,
224         reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
225         * resource.c (update_live_status, mark_referenced_resources,
226         mark_set_resources): Use subreg_nregs.
228 2006-12-20  Zdenek Dvorak <dvorakz@suse.cz>
230         * loop-unswitch.c (unswitch_loop): Update arguments of
231         duplicate_loop_to_header_edge call.
232         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
233         * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
234         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
235         Ditto.
236         * cfgloopmanip.c (loop_version): Ditto.
237         (duplicate_loop_to_header_edge): Change
238         type of to_remove to VEC(edge), remove n_to_remove argument.
239         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
240         Change type of to_remove to VEC(edge), remove n_to_remove argument.
241         (tree_unroll_loop): Update arguments of
242         tree_duplicate_loop_to_header_edge call.
243         * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
244         Change type of to_remove to VEC(edge), remove n_to_remove argument.
245         * cfghooks.h (struct cfg_hooks): Type of
246         cfg_hook_duplicate_loop_to_header_edge changed.
247         (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
248         * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
249         * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
251 2006-12-20  Dorit Nuzman  <dorit@il.ibm.com>
253         * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
254         (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
255         (vec_widen_smult_lo_v8hi): New.
256         * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
257         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
258         (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
260 2006-12-20  Jan Hubicka  <jh@suse.cz>
262         * cgraph.c: Update overall comment; fix vertical spacing.
263         * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
265 2006-12-20  Jan Hubicka  <jh@suse.cz>
267         * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
268         macros.
269         (varpool_first_static_initializer, varpol_next_static_initializer): New
270         inline functions.
271         * ipa-reference.c (analyze_variable): Simplify.
272         (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
273         * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
275 2006-12-19  Andrew Pinski  <pinskia@gmail.com>
277         PR tree-opt/30045
278         * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
279         non null.
281 2006-12-20  Ben Elliston  <bje@au.ibm.com>
283         * doc/invoke.texi (Optimize Options): Typo fix.
285 2006-12-19  Eric Christopher  <echristo@apple.com>
287         * config/darwin.c (machopic_select_section): Rewrite.
288         (darwin_text_section): New.
289         (darwin_rodata_section): Ditto.
290         (darwin_mergeable_string_section): Ditto.
291         (darwin_mergeable_constant_section): Ditto.
292         * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
294 2006-12-19  Steve Ellcey  <sje@cup.hp.com>
296         * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL):  Add undef.
298 2006-12-19  Paolo Bonzini  <bonzini@gnu.org>
300         PR bootstrap/29544
301         * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
302         (STAGE1_CHECKING_CFLAGS): ... this.
304 2006-12-18  Andrew Pinski  <pinskia@gmail.com>
306         PR target/29779
307         * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
308         READONLY on __builtin_altivec_mask_for_load instead of adding
309         the attribute.
311 2006-12-18  Roger Sayle  <roger@eyesopen.com>
312             Eric Christopher  <echristo@apple.com>
314         PR target/29302
315         * real.c (real_maxval): Correctly handle IBM extended double format.
317 2006-12-19  Jan Hubicka  <jh@suse.cz>
319         * expmed.c (expand_mult_const): Force operand to constant.
320         * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
321         copy_rtx to arguments.
323 2006-12-19  Ben Elliston  <bje@au.ibm.com>
325         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
327 2006-12-19  Ben Elliston  <bje@au.ibm.com>
329         * cse.c (cse_insn): Fix formatting.
331 2006-12-18  Geoffrey Keating  <geoffk@apple.com>
333         * doc/invoke.texi (Debugging Options): Document -g0.
334         * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
335         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
337 2006-12-18  Ian Lance Taylor  <iant@google.com>
339         * c.opt (Wmissing-declarations): Add C++ and ObjC++.
340         * doc/invoke.texi (Warning Options): -Wmissing-declarations now
341         works for C++.
343 2006-12-18  Andrew MacLeod  <amacleod@redhat.com>
345         * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
346         (struct vuse_optype_d): Delete.
347         (SSA_OPERAND_MEMORY_SIZE): Delete.
348         (struct ssa_operand_memory_d): Change mem array to size one.
349         (NUM_VOP_FREE_BUCKETS): Define.
350         (free_vuses, free_vdefs): Replace with vop_free_buckets array.
351         (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
352         * tree-pretty-print.c (dump_vops): Use voptype_d type.
353         * tree-ssa-operands.c (vop_free_bucket_size): New.  Number of operands
354         which fit into a chunk of memory from a specific bucket.
355         (vop_free_bucket_index): New.  Find correct size memory bucket.
356         (init_vop_buckets): New.  Initialize VOP free memory buckets.
357         (add_vop_to_freelist): New.  Add a VOP to the correct free list.
358         (ssa_operand_mem_size): New.  Current size of an operand memory chunk.
359         (init_ssa_operands): Initialize operand memory and free lists.
360         (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
361         (ssa_operand_alloc): Use graduated size memory allocation.
362         (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
363         INITIALIZE_USE): Remove.
364         (alloc_vop): New.  Allocate a virtual operand.
365         (alloc_vdef, alloc_vuse): Delete.
366         (add_def_op, add_use_op): Directly setup pointers.
367         (add_vop): New.  Add a virtual operand.
368         (add_vuse_op, add_vdef_op): Call add_vop.
369         (realloc_vop): New.  Reallocate a virtual operand.
370         (realloc_vdef, realloc_vuse): Call realloc_vop.
371         (finalize_ssa_def_ops): Delete.  Move content to finalize_ssa_defs.
372         (finalize_ssa_defs): Optimize for common case, remove code based on
373         sorted pointers which was a waste of time.
374         (finalize_ssa_use_ops): Delete.  Move content to finalize_ssa_uses.
375         (finalize_ssa_uses): Update last pointer.
376         (finalize_ssa_vdef_ops): Delete.  Move content to finalize_ssa_vdefs.
377         (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
378         directly manipulate pointers.
379         (copy_virtual_operands): Use voptype_d, and no need to update pointers.
381 2006-12-18  Nathan Sidwell  <nathan@codesourcery.com>
383         * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
384         determine if memory operand is an indexed address or not.
386 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
388         * cselib.c (struct cselib_val_struct): Make val_rtx its
389         own field, remove the union that contained it.
390         * cselib.c: Update accordingly where necessary.
392 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
394         * cse.c (have_eh_succ_edges): New function.
395         (cse_insn): Don't remove dead EH edges here
396         (cse_extended_basic_block): Do it here.
397         (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
398         that we have removed all dead edges.
400 2006-12-17  Matthias Klose  <doko@debian.org>
402         PR libstdc++/11953
403         * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
405 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
407         * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
408         (cse_extended_basic_block): When truncating a path while processing
409         it, make sure to clear the visited bit on the basic blocks in the
410         truncated part of the path.
411         (cse_main): Use reverse completion order, not DFS order, to walk
412         the CFG.
413         (gate_handle_cse): Revert erroneous commit of a counter.
415 2006-12-17  Steven Bosscher  <steven@gcc.gnu.org>
417         * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
418         variables, moved out from cse_insn.
419         (prev_insn): Remove this global variable).
420         (new_basic_block): Don't set it.
421         (cse_insn): Idem. Also, move code to delete unused CC0-setter
422         insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
423         from here...
424         (cse_extended_basic_block): ...to here.  Do not clear
425         prev_insn_cc0 until after recording equivalences from jumps.
427 2006-12-16  Jan Hubicka  <jh@suse.cz>
429         * cgraphunit.c (ipa_passes): Clear current_function_decl.
431 2006-12-16  Andreas Tobler  <a.tobler@schweiz.org>
433         * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
435 2006-12-16  Jan Hubicka  <jh@suse.cz>
437         * omp-low.c (expand_omp_parallel): Set function properties.
438         * function.h (struct function): Add curr_properties and last_verified.
439         * passes.c (register_dump_files): Do not set TODO_set_props for the
440         first pass
441         (init_optimization_passes): Set it here; reorder initialization so the
442         dump files appear in more logical order.
443         (last_verified, curr_properties): Kill.
444         (do_per_function): New function.
445         (execute_function_todo): Break out from ...
446         (execute_todo): ... here; handle per-function flags.
447         (clear_last_verified, verify_curr_properties,
448         update_properties_after_pass): New functions.
449         (execute_one_pass): Handle per-function properties.
450         (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
451         and current_function_decls are cleared out.
452         * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
453         after use.
455 2006-12-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
457         PR middle-end/7651
458         * c.opt (Wempty-body): New.
459         * doc/invoke.texi (Wempty-body): Document it.
460         (Wextra): Enabled by -Wextra.
461         * c-opts.c (c_common_post_options): Enabled by -Wextra.
462         * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
463         * c-parser.c (c_parser_c99_block_statement): Likewise.
465 2006-12-15  Jakub Jelinek  <jakub@redhat.com>
467         PR target/30185
468         * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
469         force_reg call.
471 2006-12-15  Andrew Pinski  <pinski@gmail.com>
473         PR tree-opt/30140
474         * tree-inline.c (setup_one_parameter): Gimplify the statement if
475         the variable is not a gimple register variable.
477 2006-12-15  Uros Bizjak  <ubizjak@gmail.com>
479         * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
481 2006-12-14  Jan Hubicka  <jh@suse.cz>
483         * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
484         to proper place.
486 2006-12-14  Richard Guenther  <rguenther@suse.de>
488         PR tree-optimization/30197
489         * builtins.c (fold_builtin_cexp): New function to fold cexp
490         to cexpi and exp parts.
491         * tree-ssa-pre.c (try_combine_conversion): Also handle
492         REALPART_EXPR and IMAGPART_EXPR.
494 2006-12-14  Richard Guenther  <rguenther@suse.de>
496         PR middle-end/30172
497         * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
498         + __complex__ ( 0, y ) to __complex__ ( x, y ).
499         Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
501 2006-12-14  Richard Guenther  <rguenther@suse.de>
503         PR tree-optimization/30198
504         * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
505         Fold IMAGPART_EXPR of cexpi to sin.
507 2006-12-14  Dorit Nuzman  <dorit@il.ibm.com>
508             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
510         * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
511         (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
512         only.
513         (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
514         (spu_builtin_mask_for_load): New.
515         * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
516         * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
517         (vec_realign_load_<mode>, spu_lvsr): New.
519 2006-12-13  Ian Lance Taylor  <iant@google.com>
521         PR c++/19564
522         PR c++/19756
523         * c-typeck.c (parser_build_binary_op): Move parentheses warnings
524         to warn_about_parentheses in c-common.c.
525         * c-common.c (warn_about_parentheses): New function.
526         * c-common.h (warn_about_parentheses): Declare.
527         * doc/invoke.texi (Warning Options): Update -Wparentheses
528         description.
530 2006-12-13  Zdenek Dvorak <dvorakz@suse.cz>
532         * tree-ssa-loop-ivopts.c: Include tree-affine.h.
533         (divide): Removed.
534         (constant_multiple_of): Fix order of operators for division.
535         (aff_combination_const, aff_combination_elt, aff_combination_scale,
536         aff_combination_add_elt, aff_combination_add, aff_combination_convert,
537         tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
538         aff_combination_to_tree): Moved to tree-affine.c and made to work with
539         double_int coefficients.
540         (get_computation_aff, get_computation_at): Work with double_int
541         coefficients.
542         (get_computation_cost_at): Do not use divide.
543         (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
544         Assert that expressing the computation did not fail.
545         * tree-ssa-address.c: Include tree-affine.h.
546         (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
547         create_mem_ref): Work with double_int coefficients.
548         * tree-affine.c: New file.
549         * tree-affine.h: New file.
550         * tree-flow.h (struct affine_tree_combination): Removed.
551         * Makefile.in (tree-affine.o): Add.
552         (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
553         dependency.
555 2006-12-13  Peter Bergner  <bergner@vnet.ibm.com>
557         PR middle-end/30191
558         Revert:
559         * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
560         the offset == 0 "then" clauses.
561         * config/rs6000/predicates.md (gpc_reg_operand): Check for
562         reload_in_progress.
564 2006-12-13  Uros Bizjak  <ubizjak@gmail.com>
566         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
567         (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
568         (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
569         (FRAME_POINTER_REGNUM): Update register number to 20.
570         (REG_CLASS_CONTENTS): Update contents due to removed dir register.
571         (HI_REGISTER_NAMES): Remove "dirflag".
573         * config/i386/i386.c (regclass_map): Remove dirflag entry.
574         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
575         Remove "dir" entry.
576         (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
578         * config/i386/i386.md (R10_REG, R11_REG): Renumber.
579         (sse_prologue_save, *sse_prologue_save_insn): Renumber
580         hardcoded SSE register numbers.
582         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
583         hardcoded MMX register numbers.
586 2006-12-13  Mark Shinwell  <shinwell@codesourcery.com>
588         * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
589         FLDMX.  Rename function to...
590         (vfp_output_fldmd): ...this.
591         (vfp_output_fstmx): Output FSTMD instead of FSTMX.  Rename
592         function to...
593         (vfp_output_fstmd): ...this.
594         (vfp_emit_fstmx): Don't leave space in the frame layout for the
595         FSTMX format word.  Rename function to...
596         (vfp_emit_fstmd): ...this.
597         (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
598         word.
599         (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
600         (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
601         word.  Also emit "vsave" assembler directives in such cases rather
602         than "save".
603         * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
604         gnu_Unwind_Save_VFP): Adjust comments.
605         (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
606         for saving and restoring using FSTMD and FLDMD rather than
607         FSTMX and FLDMX.
608         (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
609         New functions for saving and restoring the VFPv3 registers 16 .. 31.
610         * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
611         compilation case to correctly handle unwind opcode 0xc8 when using
612         VFP.
613         * config/arm/unwind-arm.c (struct vfpv3_regs): New.
614         (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
615         (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
616         __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
617         Declare.
618         (restore_non_core_regs): Restore registers using FLDMD rather than
619         FLDMX if required.  Also handle restoration of VFPv3 registers.
620         (_Unwind_VRS_Pop): Handle saving and restoring of registers using
621         FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
622         including cases where the caller specifies a range of registers
623         that overlaps the d15/d16 boundary.
625 2006-12-13  Diego Novillo  <dnovillo@redhat.com>
627         PR 30089
628         * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
629         accomodate 511 operands.
631 2006-12-13  Richard Guenther  <rguenther@suse.de>
633         * builtins.c (expand_builtin_cexpi): Fix typo.
635 2006-12-13  Jan Hubicka  <jh@suse.cz>
637         * Makefile.in: Add dependencies.
638         * tree-pretty-print.c: Include value-prof.h
639         (dump_generic_bb_buff): Dump histograms
640         * value-prof.c: Include pointer-set.h
641         (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
642         set_histogram_value, gimple_histogram_value,
643         gimple_add_histogram_value, gimple_remove_histogram_value,
644         gimple_histogram_value_of_type, dump_histogram_value,
645         dump_histograms_for_stmt, gimple_remove_stmt_histograms,
646         gimple_duplicate_stmt_histograms, visit_hist,
647         verify_histograms): New functions.
648         (tree_value_profile_transformations): Update for new histogram API.
649         (tree_divmod_fixed_value): Update for new histogram API.
650         (tree_divmod_fixed_value_transform): Update for new histogram API.
651         (tree_mod_pow2): Update for new histogram API.
652         (tree_mod_pow2_value_transform): Update for new histogram API.
653         (tree_mod_subtract): Update for new histogram API.
654         (tree_mod_subtract_transform): Update for new histogram API.
655         (tree_stringops_transform): Update for new histogram API.
656         (tree_divmod_values_to_profile): Update for new histogram API.
657         (tree_stringops_values_to_profile): Update for new histogram API.
658         (tree_find_values_to_profile): Update for new histogram API.
659         * value-prof.h (gimple_histogram_value): Declare.
660         (gimple_histogram_value_of_type): Declare.
661         (gimple_add_histogram_value): Declare.
662         (gimple_remove_histogram_value): Declare.
663         (dump_histograms_for_stmt): Declare.
664         (gimple_remove_histogram_value): Declare.
665         (gimple_remove_stmt_histograms): Declare.
666         (gimple_duplicate_stmt_histograms): Declare.
667         (verify_histograms): Declare.
668         * function.h
669         (struct funrction): Add value_histograms hash.
670         (VALUE_HISTOGRAMS): New macro.
671         * profile.c (compute_value_histograms): update for new API.
672         * tree-inline.c: Include value-prof.h
673         (copy_bb): Update histograms.
674         * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
675         reorder to get smaller memory layout.
676         * tree-cfg.c: Include value-prof.h
677         (bsi_remove): Update histograms.
678         (bsi_replace): Update histograms.
679         (verify_stmts): Call histogram verifier.
680         (tree_duplicate_bb): Update histograms.
681         (move_block_to_fn): Update histograms.
683 2006-12-13  Richard Guenther  <rguenther@suse.de>
685         * ipa-inline.c (cgraph_flatten_node): Replace leafify with
686         flatten.
687         (cgraph_decide_inlining): Likewise.
689 2006-12-13  Richard Guenther  <rguenther@suse.de>
691         PR tree-optimization/17687
692         * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
693         New builtins for imaginary argument cexp.
694         * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
695         BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
696         New required builtin types.
697         * builtins.c (expand_builtin_cexpi): Declare.
698         (mathfn_built_in): Handle BUILT_IN_CEXPI.
699         (expand_builtin_cexpi): New static helper.
700         (expand_builtin): Call it.
701         (do_mpfr_sincos): Adjust for CEXPI evaluation.
702         (fold_builtin_sincos): New function to fold sincos to cepxi.
704 2006-12-13  Richard Guenther  <rguenther@suse.de>
706         * ipa-reference.c (scan_for_static_refs): Also scan
707         tcc_comparison class trees.
709 2006-12-12 David Daney  <ddaney@avtrex.com>
711         * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
712         define.
714 2006-12-12  Andrew Pinski  <pinskia@gmail.com>
716         * tree-vect-transform.c (vect_permute_load_chain):
717         Set DECL_GIMPLE_REG_P to true for the vect_perm_*
718         temp variables.
720 2006-12-13  Sa Liu  <saliu@de.ibm.com>
721             Ben Elliston  <bje@au.ibm.com>
723         * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
724         (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
725         * config/spu/spu-protos.h (spu_c_common_override_options):
726         Declare.
727         * config/spu/spu-c.c (spu_c_common_override_options): New.
728         * config/spu/spu.c (spu_override_options): Whitespace fix.
730 2006-12-12  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
732         * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
734 2006-12-12  Geoffrey Keating  <geoffk@apple.com>
736         * mips-tdump.c: Replace CROSS_COMPILE with
737         CROSS_DIRECTORY_STRUCTURE.
738         * mips-tfile.c: Likewise.
739         * gcc.c: Likewise.
740         * configure.ac: Likewise.
741         * cppdefault.c: Likewise.
742         * Makefile.in: Likewise.
743         * config/alpha/osf.h: Likewise.
744         * config/i386/cygwin.h: Likewise.
745         * config/i386/beos-elf.h: Likewise.
746         * config/i386/nto.h: Likewise.
747         * config/fr30/fr30.h: Likewise.
748         * config/svr4.h: Likewise.
749         * config/rs6000/aix.h: Likewise.
750         * config/rs6000/sysv4.h: Likewise.
751         * config/pa/pa64-hpux.h: Likewise.
752         * config/pa/pa-hpux10.h: Likewise.
753         * config/pa/pa-hpux11.h: Likewise.
754         * collect2.c: Likewise.
755         * configure: Regenerate.
757         * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
758         actually takes an unsigned HOST_WIDE_INT for its second parameter.
760 2006-12-13  Ulrich Weigand  <uweigand@de.ibm.com>
762         * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
763         (spu_encode_section_info): New.
764         * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
765         (SYMBOL_FLAG_ALIGN1): New.
767 2006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
769         PR tree-opt/28624
770         * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
771         bitmap for EXECUTE_IF_SET_IN_BITMAP.
773 2006-12-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
775         PR tree-opt/28436
776         * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
777         (DECL_GIMPLE_REG_P): This.
778         * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
779         using BIT_FIELD_REF.
780         * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
781         * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
782         and check for VECTOR_TYPE.
783         * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
784         vector types.
785         * tree-flow-inline.h (var_can_have_subvars): Use the renamed
786         DECL_GIMPLE_REG_P.
787         * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
788         and check for VECTOR_TYPE.
789         (gimplify_bind_expr): Likewise.
790         (gimplify_function_tree): Likewise.
791         * expmed.c: Include target.h.
792         (extract_bit_field): For vector mode, try find a better mode first.
793         If that fails use gen_lowpart (for vectors only).
794         * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
795         and check for VECTOR_TYPE.
796         * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
797         (insert_into_preds_of_block): Likewise.
798         (insert_fake_stores): Create gimple register store_tmps for
799         vector types.
800         * tree-sra.c (sra_elt): New field, is_vector_lhs.
801         (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
802         are the left hand side, set the element's is_vector_lhs to true.
803         (instantiate_element): For vector types which were on the left
804         hand size, set DECL_GIMPLE_REG_P to false.
805         * tree-nested.c (create_tmp_var_for): Use the renamed
806         DECL_GIMPLE_REG_P.
807         * tree-inline.c (declare_return_variable):  Use the renamed
808         DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
809         (copy_decl_to_var):  Use the renamed DECL_GIMPLE_REG_P.
810         (copy_result_decl_to_var): Likewise.
811         * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
812         create a gimple register variable.
813         (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
814         vect_inter_* temp variables.
815         * Makefile.in (expmed.o): Update dependencies.
817 2006-12-12  Peter Bergner  <bergner@vnet.ibm.com>
819         * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
820         the offset == 0 "then" clauses.
821         * config/rs6000/predicates.md (gpc_reg_operand): Check for
822         reload_in_progress.
824 2006-12-12  Marcin Dalecki  <martin@dalecki.de>
826         * doc/passes.texi: remove docs about "redundant PHI removal".
827         * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
828         remove redundant pass_partition_blocks declaration.
830 2006-12-12  Andrew Macleod  <amacleod@redhat.com>
832         PR tree-optimization/30159
833         * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
834         functions in case a default_def coalesce is required.
836 2006-12-12  Jakub Jelinek  <jakub@redhat.com>
838         PR libstdc++/11953
839         * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
841         * config/ia64/linux.h (CPP_SPEC): Define.
842         * config/s390/linux.h (CPP_SPEC): Define.
844 2006-12-12  Jim Wilson  <wilson@specifix.com>
845             Jakub Jelinek  <jakub@redhat.com>
847         PR rtl-optimization/27761
848         * combine.c (try_combine): Don't create a useless garbage SET
849         if PATTERN (i2) is a PARALLEL.  If added_sets_1, save
850         PATTERN (i1) resp. SET from i1src to i1dest in i1pat
851         and use it to prevent accidental modification of i1src.
853 2006-12-12  Ira Rosen  <irar@il.ibm.com>
855         * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
856         for stores with gaps.
857         * tree-vect-transform.c (vect_permute_store_chain): Create
858         interleave_high or interleave_low according to the endianess.
860 2006-12-12  Richard Guenther  <rguenther@suse.de>
862         PR middle-end/30147
863         * fold-const.c (fold_read_from_constant_string): Only fold read
864         from constant string if the result type is integer.
866 2006-12-12  Olivier Hainque  <hainque@adacore.com>
868         * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
870 2006-12-12  Olivier Hainque  <hainque@adacore.com>
872         * config/vxlib.c: Extract tls related routines into ...
873         * config/vxlib-tls.c: New file.
874         * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
876 2006-12-12  Sa Liu  <saliu@de.ibm.com>
877             Ben Elliston  <bje@au.ibm.com>
879         * config/spu/spu.opt (mfixed-range): New option.
880         * config/spu/spu.h (spu_fixed_range_string): Declare.
881         * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
882         (fix_range): New function.
883         * doc/invoke.texi (SPU Options): Document -mfixed-range.
884         * testsuite/gcc.target/spu/fixed-range.c: New.
885         * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
887 2006-12-11  H.J. Lu  <hongjiu.lu@intel.com>
889         PR middle-end/17982
890         PR middle-end/20218
891         * cgraphunit.c (cgraph_optimize): Remove call to
892         process_pending_assemble_externals.
894         * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
896         * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
898         * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
899         (ia64_hpux_add_extern_decl): Removed.
900         (ia64_hpux_file_end): Likewise.
901         (extern_func_list): Likewise.
902         (extern_func_head): Likewise.
904         * output.h (assemble_external): Update comments.
905         (default_elf_asm_output_external): New.
906         (maybe_assemble_visibility): New.
908         * toplev.c (compile_file): Update comment.
910         * varasm.c (assemble_external): Always put it on
911         pending_assemble_externals.
912         (maybe_assemble_visibility): Make it extern and return int.
913         (default_elf_asm_output_external): New.
915 2006-12-11  Daniel Berlin  <dberlin@dberlin.org>
917         * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
918         can't handle the pointer arithmetic.
920 2006-12-11  Diego Novillo  <dnovillo@redhat.com>
922         * doc/tree-ssa.texi: Update documentation for virtual operands
923         and the use of push_stmt_changes/pop_stmt_changes.
924         * doc/invoke.texi: Remove documentation for params
925         global-var-threshold.
926         Update documentation on max-aliased-vops.
928         * tree-into-ssa.c: Cleanup comments, variables and
929         spacing in various functions.
930         (regs_to_rename): Declare.
931         (mem_syms_to_rename): Declare.
932         (dump_update_ssa): Declare.
933         (debug_update_ssa): Declare.
934         (dump_names_replaced_by): Declare.
935         (debug_names_replaced_by): Declare.
936         (dump_def_blocks): Declare.
937         (debug_def_blocks): Declare.
938         (dump_defs_stack): Declare.
939         (debug_defs_stack): Declare.
940         (dump_currdefs): Declare.
941         (debug_currdefs): Declare.
942         (mark_def_sites): Do not handle virtual operands.
943         (compute_idf): Rename from find_idf.  Update users.
944         (register_new_def): Make local.  Convert second argument
945         to 'tree'.
946         Use BLOCK_DEFS_STACK directly.
947         If pushing a non-register, also push the underlying
948         symbol.
949         (rewrite_stmt): Do not handle virtual operands.
950         (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
951         dump_currdefs and dump_tree_ssa_stats.
952         (dump_tree_ssa_stats): Also dump REPL_TBL.
953         (replace_use): Remove.  Update all users to call SET_USE
954         instead.
955         (rewrite_blocks): Move code to free memory to
956         fini_ssa_renamer.
957         (mark_def_site_blocks): Move initialization code to
958         init_ssa_renamer.
959         (init_ssa_renamer): New.
960         (fini_ssa_renamer): New.
961         (rewrite_into_ssa): Call them.
962         (prepare_block_for_update): Process SSA_OP_ALL_USES first
963         and SSA_OP_ALL_DEFS later.  Do not process virtual
964         operands separately.
965         (dump_update_ssa): Call dump_decl_set.
966         (init_update_ssa): Initialize regs_to_rename and
967         mem_syms_to_rename.
968         Call init_ssa_renamer.
969         (delete_update_ssa): Call fini_ssa_renamer.
970         Free blocks_with_phis_to_rewrite.
971         (mark_sym_for_renaming): If the variable has
972         sub-variables, also mark them.
973         If the variable belongs to a partition, also mark it.
974         (mark_set_for_renaming): Call mark_sym_for_renaming on
975         every symbol in the set.
976         (switch_virtuals_to_full_rewrite): Call
977         mark_set_for_renaming.
978         (update_ssa): Separate syms_to_rename into regs_to_rename
979         and mem_syms_to_rename.
981         * tree-dump.c (dump_options): Add TDF_MEMSYMS.
982         * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
983         (debug_generic_stmt): Likewise.
984         (debug_tree_chain): Likewise.
985         (dump_symbols): New.
986         (dump_generic_node): Check for TDF_MEMSYMS.
987         Handle MEMORY_PARTITION_TAG.
988         If the statement references memory and TDF_MEMSYMS is
989         given, call dump_symbols.
990         Indicate default names with (D).
991         (dump_vops): Update for new virtual operator format.
993         * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
994         tree_contains_struct.
995         (tree_code_size): Handle MEMORY_PARTITION_TAG.
996         (tree_node_structure): Likewise.
997         (needs_to_live_in_memory): Handle SSA names.
998         * tree.h (MTAG_P): Likewise.
999         (struct tree_memory_partition_tag): Declare.
1000         (MPT_SYMBOLS): Define.
1001         (union tree_node): Add field 'mpt'.
1002         * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1003         * tree.def (MEMORY_PARTITION_TAG): Define.
1005         * tree-pass.h (TDF_MEMSYMS): Define.
1007         * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1009         * tree-ssa-alias.c: Include pointer-set.h
1010         (struct alias_map_d): Remove fields total_alias_vops,
1011         grouped_p and may_aliases.  Update all users.
1012         (struct mp_info_def): Declare.
1013         (mp_info_t): New type.
1014         (get_smt_for): Rename from get_tmt_for.  Update all
1015         users.
1016         (add_may_alias): Add argument ALREADY_ADDED.  If given,
1017         use it to avoid adding duplicate entries to alias sets.
1018         (replace_may_alias): Remove.  Update all users.
1019         (total_alias_vops_cmp): Remove.  Update all users.
1020         (group_aliases_into): Remove.  Update all users.
1021         (tree_pointer_compare): Remove.  Update all users.
1022         (compact_name_tags): Remove.  Update all users.
1023         (group_aliases): Remove.  Update all users.
1024         (mark_non_addressable): Move from tree-flow-inline.h.
1025         Remove the symbol from the partition holding it, if
1026         needed.
1027         (dump_mp_info): New.
1028         (debug_mp_info): New.
1029         (sort_mp_info): New.
1030         (create_partition_for): New.
1031         (rewrite_alias_set_for): New.
1032         (compute_memory_partitions): New.
1033         (compute_may_aliases): Call it.
1034         (init_alias_info): If computing aliases for the first
1035         time, mark every memory symbol for renaming.
1036         (have_common_aliases_p): New.
1037         (compute_flow_insensitive_aliasing): Call it.
1038         (setup_pointers_and_addressables): Do not cache
1039         num_referenced_vars.
1040         For register promoted symbols, mark their former
1041         partition for renaming.
1042         (maybe_create_global_var): Only create .GLOBAL_VAR if
1043         there are no call-clobbered variables and a mix of pure
1044         and non-pure functions were found.
1045         (may_alias_p): Tidy comments.
1046         (create_tag_raw): Remove unused variable new_type.
1047         (dump_alias_info): call dump_memory_partitions.
1048         (dump_points_to_info_for): Call dump_decl_set.
1049         (may_be_aliased): Tidy comments and formatting.
1051         * timevar.def (TV_MEMORY_PARTITIONING): Define.
1052         * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1053         vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
1054         versions in it.
1055         (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1056         * tree-vect-transform.c (vect_transform_loop): Call
1057         mark_set_for_renaming with vect_memsyms_to_rename.
1058         * tree-flow-inline.h (zero_imm_uses_p): New.
1059         (memory_partition): New.
1060         (set_memory_partition): New.
1061         (factoring_name_p): New.
1062         (symbol_mem_tag): New.  Update every function that used
1063         to access the annotation directly.
1064         (set_symbol_mem_tag): Likewise.
1066         * tree-ssa-copy.c (may_propagate_copy): Allow copies
1067         between a partition and a symbol as long as the symbol
1068         belongs to the partition.
1069         (merge_alias_info): Ignore merge requests when memory
1070         partitions are involved.
1072         * tree-ssa.c (verify_ssa_name): Check that default
1073         definitions have empty defining statements.
1074         (verify_use): Remove argument IS_VIRTUAL.
1075         Don't call verify_ssa_name.
1076         (verify_phi_args): Call verify_ssa_name.
1077         (verify_flow_insensitive_alias_info): Handle MPTs.
1078         (verify_flow_sensitive_alias_info): Likewise.
1079         (verify_name_tags): Likewise.
1080         (verify_call_clobbering): Likewise.
1081         (verify_ssa): Check for VOPs only after aliasing
1082         information is available.
1083         Check virtuals and real operands separately.
1084         Call verify_ssa_name on every operand.
1085         (stmt_references_memory_p): Move to tree-ssa-operands.c.
1086         (walk_use_def_chains_1): Guard against NULL PHI
1087         arguments.
1089         * tree-ssa-operands.c (stmt_references_memory_p): Move from
1090         tree-ssa.c.
1091         (get_mpt_for): New.
1092         (dump_memory_partitions): New.
1093         (debug_memory_partitions): New.
1095         * tree-flow.h (struct var_ann_d): Add field mpt.
1096         (struct stmt_ann_d): Add bitfield references_memory.
1097         * Makefile.in (tree-ssa-structalias.o): Include
1098         pointer-set.h
1099         (tree-ssa-alias.o): Likewise.
1100         * tree-ssa-structalias.c: (update_alias_info): Use
1101         STORED_SYMS to determine which variables are being
1102         written to by the store operation.
1103         * tree-ssa-structalias.h (struct alias_info)
1104         <total_alias_vops>: Remove.  Update all users.
1105         <written_vars>: Change to a pointer set.  Update all
1106         users.
1107         <dereferenced_ptrs_store>: Likewise.
1108         <dereferenced_ptrs_load>: Likewise.
1109         (NUM_REFERENCES): Remove.  Update all users.
1110         (NUM_REFERENCES_CLEAR): Remove.  Update all users.
1111         (NUM_REFERENCES_INC): Remove.  Update all users.
1112         (NUM_REFERENCES_SET): Remove.  Update all users.
1114         * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1115         Update all users.
1116         (PARAM_MAX_ALIASED_VOPS): Set to 10.
1117         * tree-ssanames.c (make_ssa_name): Initialize
1118         SSA_NAME_IS_DEFAULT_DEF to 0.
1120 2006-12-11  Aldy Hernandez  <aldyh@redhat.com>
1122         * tree-ssa-dse.c (aggregate_vardecl_d): New.
1123         (dse_global_data): Add aggregate_vardecl field.
1124         (dse_possible_dead_store_p): New.
1125         Add prev_defvar variable.
1126         Allow immediate uses and previous immediate uses to differ
1127         if they are setting different parts of the whole.
1128         (get_aggregate_vardecl): New.
1129         (dse_record_partial_aggregate_store): New.
1130         (dse_whole_aggregate_clobbered_p): New.
1131         (dse_partial_kill_p): New.
1132         (dse_optimize_stmt): Abstract code checking a possible dead store
1133         into new function dse_possible_dead_store_p().
1134         Call dse_maybe_record_aggregate_store().
1135         When checking whether a STMT and its USE_STMT refer to the
1136         same memory address, check also for partial kills that clobber
1137         the whole.
1138         Move some variable definitions to the block where they are used.
1139         (aggregate_vardecl_hash): New.
1140         (aggregate_vardecl_eq): New.
1141         (aggregate_vardecl_free): New.
1142         (aggregate_whole_store_p): New.
1143         (tree_ssa_dse): Initialize and free aggregate_vardecl.
1144         Mark which aggregate stores we care about.
1146 2006-12-11  Andrew Macleod  <amacleod@redhat.com>
1148         * tree-ssa-operands.h (struct vuse_element_d): Declare.
1149         (vuse_element_t): Declare.
1150         (struct vuse_vec_d): Declare.
1151         (vuse_vec_p): Declare.
1152         (VUSE_VECT_NUM_ELEM): Define.
1153         (VUSE_VECT_ELEMENT_NC): Define.
1154         (VUSE_ELEMENT_PTR_NC): Define.
1155         (VUSE_ELEMENT_VAR_NC): Define.
1156         (VUSE_VECT_ELEMENT): Define.
1157         (VUSE_ELEMENT_PTR): Define.
1158         (VUSE_ELEMENT_VAR): Define.
1159         (struct maydef_optype_d) <use_var>: Remove.
1160         <use_ptr>: Remove.
1161         <usev>: Add.
1162         (struct vuse_optype_d) <kill_var>: Remove.
1163         <use_ptr>: Remove.
1164         <usev>: Add.
1165         (struct mustdef_optype_d) <kill_var>: Remove.
1166         <use_ptr>: Remove.
1167         <usev>: Add.
1168         (VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
1169         (VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
1170         (VUSE_NUM): Define.
1171         (VUSE_VECT): Define.
1172         (MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
1173         (MAYDEF_OP): Add argument.  Use VUSE_OP.
1174         (MAYDEF_NUM): Define.
1175         (MAYDEF_VECT): Define.
1176         (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1177         (MUSTDEF_KILL): Use VUSE_OP.
1178         (MUSTDEF_NUM): Define.
1179         (MUSTDEF_VECT): Define.
1180         (realloc_maydef): Declare.
1181         (realloc_vuse): Declare.
1182         (struct ssa_operand_iterator_d) <vuse_index>: Add.
1183         <mayuse_index>: Add.
1184         (LOADED_SYMS): Define.
1185         (STORED_SYMS): Define.
1186         (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1187         * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1188         operators.
1189         * tree-pretty-print.c: Likewise.
1190         * tree-ssa-dse.c: Likewise.
1191         * tree-flow-inline.h: Likewise.
1192         (op_iter_next_mustdef): New.
1193         * tree-ssa-operands.c: Likewise.
1194         (ALLOC_OPTYPE): Remove.
1195         Update all users.
1196         (alloc_def): New.
1197         (alloc_use): New.
1198         (alloc_maydef): New.
1199         (alloc_vuse): New.
1200         (alloc_mustdef): New.
1201         (realloc_maydef): New.
1202         (realloc_vuse): New.
1204 2006-12-11  Aldy Hernandez  <aldyh@redhat.com>
1206         * tree-ssa-operands.c: Remove build_v_must_defs.
1207         (init_ssa_operands): Delete build_v_must_defs.
1208         (finalize_ssa_v_must_def_ops): Remove.
1209         (finalize_ssa_v_must_defs): Remove.
1210         (finalize_ssa_stmt_operands): Do not call
1211         finalize_ssa_v_must_defs.
1212         (start_ssa_stmt_operands): Do not check build_v_must_defs.
1213         (append_v_must_def): Delete.
1214         (copy_virtual_operands): Do not copy V_MUST_DEFs.
1215         (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1216         comment.  Remove opf_kill_def.
1217         (build_ssa_operands): Remove references to v_must_defs.
1218         (copy_virtual_operands): Same.
1219         (copy_virtual_operands): Same.
1220         (fini_ssa_operands): Same.
1221         (free_ssa_operands): Same.
1222         (add_mustdef_op): Remove.
1223         Remove mustdef_optype_p.
1224         (alloc_mustdef): Remove.
1225         Remove references to V_MUST_DEFs in comment at top of file.
1226         (get_expr_operands): Remove opf_kill_def.
1227         (opf_kill_def): Remove.
1228         (add_virtual_operand): Remove opf_kill_def.
1229         (get_indirect_ref_operands): Same.
1230         (get_tmr_operands): Same.
1232         * tree-vectorizer.c (rename_variables_in_bb): Remove
1233         SSA_OP_ALL_KILLS.
1235         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1236         SSA_OP_ALL_KILLS.
1237         (check_loop_closed_ssa_stmt): Same.
1239         * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1240         (verify_use): Same.
1241         (verify_ssa): Remove V_MUST_DEFs traces.
1242         (verify_ssa): Remove SSA_OP_ALL_KILLS.
1244         * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1245         SSA_OP_VMAYDEF.
1246         (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1247         (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1249         * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1250         references.
1251         (MUSTDEF_OPS): Remove.
1252         (SSA_OP_VMUSTDEF): Remove.
1253         (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1254         (struct mustdef_optype_d): Remove.
1255         Remove mustdef_optype_p.
1256         (struct stmt_operands_d): Remove mustdef_ops.
1257         (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1258         (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1259         (MUSTDEF_RESULT_PTR): Remove.
1260         (MUSTDEF_RESULT): Remove.
1261         (MUSTDEF_KILL_PTR): Remove.
1262         (MUSTDEF_KILL): Remove.
1263         (MUSTDEF_NUM): Remove.
1264         (MUSTDEF_VECT): Remove.
1265         (SSA_OP_VIRTUAL_KILLS): Remove.
1266         (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1267         (SSA_OP_VMUSTKILL): Remove.
1268         (SSA_OP_ALL_KILLS): Remove.
1269         (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1271         * tree-flow-inline.h (op_iter_init_def): Remove
1272         SSA_OP_VIRTUAL_KILLS.
1273         (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1275         * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1276         SSA_OP_VIRTUAL_KILLS.
1278         * tree-ssa-loop-im.c (determine_max_movement): Remove
1279         SSA_OP_VIRTUAL_KILLS.
1280         (gather_mem_refs_stmt): Same.
1281         (gather_mem_refs_stmt): Same.
1283         * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1284         (perform_tree_ssa_dce): Remove call to
1285         mark_really_necessary_kill_operand_phis.
1287         * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1288         and mustkills.
1289         (op_iter_next_use): Do not check mustkills.
1290         (op_iter_next_def): Do not check mustdefs.
1291         (op_iter_next_tree): Do not check mustkills or mustdefs.
1292         (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1293         (op_iter_next_maymustdef): Do not check mustkills.
1294         (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1295         (op_iter_init_mustdef): Remove.
1297         * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1298         SSA_OP_VMAYDEF.
1300         * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1302         * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1303         (visit_assignment): Same.
1305         * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1307         * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1309         * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1311         * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1312         Remove kill_p variable.
1314         * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1315         (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1316         (collect_dfa_stats_r): Do not set num_v_must_defs.
1317         (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1318         code.
1320         * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1321         SSA_OP_VMAYUSE.
1323         * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1324         SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1326         * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1327         SSA_OP_VMUSTDEF.
1329 2006-12-11  Zdenek Dvorak <dvorakz@suse.cz>
1331         PR rtl-optimization/30113
1332         * loop-iv.c (implies_p): Require the mode of the operands to be
1333         scalar.
1335 2006-12-11  Diego Novillo  <dnovillo@redhat.com>
1337         * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1338         Rename from create_ssa_artficial_load_stmt.  Update all users.
1339         * tree-into-ssa.c (register_new_def): Make static.
1340         * tree.c (is_global_var): Handle SSA_NAMEs.
1341         * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
1342         that used to call gimple_default_def.
1343         * tree-ssa-operands.c (push_stmt_changes): New.
1344         (pop_stmt_changes): New.  Update every pass that modifies
1345         statements to bracket modifications with
1346         push_stmt_changes/pop_stmt_changes.
1347         (discard_stmt_changes): New.
1348         * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1349         'tree *' instead of 'tree'.  Update all users.
1350         * tree-flow-inline.h (zero_imm_uses_p): New.
1351         (symbol_mem_tag): New.  Update every function that used
1352         to access the annotation directly.
1353         (set_symbol_mem_tag): Likewise.
1354         * tree-dfa.c (dump_variable): Always show the escape mask.
1355         (mark_symbols_for_renaming): Rename from
1356         mark_new_vars_to_rename.  Update all users.
1357         Only mark to rename naked symbols in real and virtual
1358         operands.
1360 2006-12-11  Andreas Schwab  <schwab@suse.de>
1362         * varasm.c (elf_record_gcc_switches): Cast second argument of
1363         ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1365 2006-12-11  Diego Novillo  <dnovillo@redhat.com>
1367         * tree-scalar-evolution.c (scev_const_prop):
1368         * tree-phinodes.c (remove_phi_node): Add argument
1369         RELEASE_LHS_P.  If given, release the SSA name on the LHS of
1370         the PHI node.
1371         Update all users.
1372         * tree-ssa-dce.c: Remove forward declarations for static
1373         functions.  Re-arrange functions bodies as needed.
1374         (find_obviously_necessary_stmts): Never mark PHI nodes as
1375         obviously necessary.
1377 2006-12-11  Carlos O'Donell  <carlos@codesourcery.com>
1379         * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1381 2006-12-11  Jan Hubicka  <jh@suse.cz>
1383         * value-prof.c (tree_stringops_transform): New.
1384         (tree_value_profile_transformations): Require count to be non-zero;
1385         call stringop transform; reset stmt BSI after BB changed.
1386         (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1387         (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1388         (tree_stringops_values_to_profile): New.
1389         (tree_values_to_profile): Call tree_stringops_values_to_profile.
1390         * tree.h (build_string_literal): Tidy prototype.
1391         (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1392         Declare.
1393         * builtins.c (validate_arglist, builtin_memset_read_str,
1394         get_pointer_alignment): Export.
1396 2006-12-11  Uros Bizjak  <ubizjak@gmail.com>
1398         PR target/30120
1399         Revert:
1400         2006-11-15  Uros Bizjak  <ubizjak@gmail.com>
1402         * config/i386/i386.opt: New target option -mx87regparm.
1404         * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1405         float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1406         (X87_REGPARM_MAX): Define.
1408         * config/i386/i386.c (override_options): Error out for
1409         -mx87regparm but no 80387 support.
1410         (ix86_attribute_table): Add x87regparm.
1411         (ix86_handle_cconv_attribute): Update comments for x87regparm.
1412         (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1413         (ix86_function_x87regparm): New function.
1414         (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1415         point registers.
1416         (init_cumulative_args): Initialize x87_nregs and float_in_x87
1417         variables.
1418         (function_arg_advance): Process x87_nregs and x87_regno when
1419         floating point argument is to be passed in 80387 register.
1420         (function_arg): Pass XFmode arguments in 80387 registers for local
1421         functions.  Pass SFmode and DFmode arguments to local functions
1422         in 80387 registers when flag_unsafe_math_optimizations is set.
1424         * reg-stack.c (convert_regs_entry): Disable NaN load for
1425         stack registers that are used for argument passing.
1427         * doc/extend.texi: Document x87regparm function attribute.
1428         * doc/invoke.texi: Document -mx87regparm.
1430 2006-12-11  Jan Hubicka  <jh@suse.cz>
1432         Move all varpool routines out of cgraph/cgraphunit to varpool.c
1433         * cgraph.c: Update comments.
1434         (cgraph_varpool_hash,
1435         cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1436         cgraph_varpool_node_name, cgraph_varpool_node,
1437         cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1438         cgraph_variable_initializer_availability): Move to
1439         varpool.c and drop cgraph_ prefixes.
1440         (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1441         cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1442         move to varpool.c; drop cgraph_ prefix; make static.
1443         (dump_cgraph_varpool_node): Move to varpool.c under name
1444         dump_varpool_node.
1445         (dump_varpool, hash_varpool_node, eq_varpool_node,
1446         decide_is_variable_needed): Move to varpool.c
1447         (decl_assembler_name_equal): Move to tree.c.
1448         (availability_names): Rename to ...
1449         (cgraph_availability_names): ... this one.
1450         (dump_cgraph_node): Update.
1451         * cgraph.h: Reorder declarations now in varpool.c
1452         (cgraph_vailablity_names): Declare.
1453         (struct cgraph_varpool_node): Rename to ...
1454         (struct varpool_node): ... this one.
1455         (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1456         cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1457         cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1458         cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1459         cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1460         cgraph_variable_initializer_availability): Rename to ...
1461         (varpool_first_unanalyzed_node, varpool_nodes_queue,
1462         varpool_first_unanalyzed_node, varpool_node,
1463         varpool_node_for_asm, varpool_mark_needed_node,
1464         varpool_finalize_decl, varpool_enqueue_needed_node,
1465         varpool_assemble_pending_decls, variable_initializer_availability):
1466         Rename to ...
1467         * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1468         * tree.h (decl_assembler_name_equal): Declare.
1469         * omp-low.c (lower_omp_critical): Update.
1470         * ipa-reference (analyze_variable, static_execute): Likewise.
1471         * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1472         * cgraphunit.c: Update comments.
1473         (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1474         varpool_assembled_nodes_queue.
1475         (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1476         varpool_analyze_pending_decls.
1477         (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1478         varpool_remove_unreferenced_decls.
1479         (record_reference): Update.
1480         (cgraph_create_edges): Update.
1481         (record_referneces_in_initializer): New function.
1482         (cgraph_varpool_assemble_decl): Move to varpool.c under name
1483         varpool_assemble_decl; make global.
1484         (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1485         varpool_assemble_pending_decls.
1486         (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1487         struct cgraph_order_sort, cgraph_output_in_order,
1488         cgraph_function_and_variable_invisibility, cgraph_optimize,
1489         cgraph_increase_alignment): Update.
1490         * dwarf2out.c (decls_for_scope): Likewise.
1491         * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1492         * except.c (output_ttype): Likewise.
1493         * varasm.c (mark_decl_referenced): Likewise.
1494         (find_decl_and_mark_referenced, assemble_alias): update.
1495         * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1496         * passes.c (rest_of_decl_compilation): Update.
1498 2006-12-11  Ira Rosen  <irar@il.ibm.com>
1500         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1501         GIMPLE_STMT_OPERAND.
1502         * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1503         (vect_setup_realignment): Likewise.
1505 2006-12-11  Sa Liu  <saliu@de.ibm.com>
1506             Ben Elliston  <bje@au.ibm.com>
1508         * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1509         (ENDFILE_SPEC): Likewise.
1510         * config/spu/spu.opt (mstdmain): New option.
1511         * config/spu/crti.asm: Remove.
1512         * config/spu/crtn.asm: Likewise.
1513         * config/spu/crt0.c: Likewise.
1514         * config/spu/crtend.c: Likewise.
1515         * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1516         listed above.
1517         ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1518         * doc/invoke.texi (SPU Options): Document -mstdmain.
1520 2006-12-10  Zdenek Dvorak <dvorakz@suse.cz>
1522         * doc/loop.texi: Document number_of_latch_executions and
1523         number_of_cond_exit_executions.
1524         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1525         chrec_is_positive, number_of_iterations_for_all_loops,
1526         scev_const_prop): Use number_of_latch_executions.
1527         (set_nb_iterations_in_loop): Do not increase the value of the
1528         number of iterations.
1529         (number_of_iterations_in_loop): Renamed to ...
1530         (number_of_latch_executions): ... this.
1531         (number_of_exit_cond_executions): New function.
1532         * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1533         removed.
1534         (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1535         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1536         number_of_latch_executions.
1537         * tree-data-ref.c (get_number_of_iters_for_loop): Use
1538         number_of_exit_cond_executions.
1539         * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1540         * cfgloop.h (struct loop): Improve description of the nb_iterations
1541         field.
1543 2006-12-10  Daniel Berlin  <dberlin@dberlin.org>
1545         * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1546         (tree_pointer_compare): Remove.
1548 2006-12-10  Zdenek Dvorak <dvorakz@suse.cz>
1550         * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1551         * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1552         * tree-loop-linear.c (linear_transform_loops): Ditto.
1553         * tree-ssa-loop-im.c (determine_lsm): Ditto.
1554         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1555         free_numbers_of_iterations_estimates): Ditto.
1556         * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1557         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1558         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1559         * modulo-sched.c (sms_schedule): Ditto.
1560         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1561         tree_unroll_loops_completely): Ditto.
1562         * predict.c (predict_loops): Ditto.
1563         * tree-if-conv.c (main_tree_if_conversion): Ditto.
1564         * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1565         decide_unrolling_and_peeling): Ditto.
1566         * cfgloopmanip.c (unloop): Use delete_loop.
1567         (place_new_loop): Access larray vector instead of parray.
1568         (create_preheaders, force_single_succ_latches,
1569         fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1570         * loop-doloop.c (doloop_optimize_loops): Ditto.
1571         * loop-invariant.c (move_loop_invariants): Ditto.
1572         * tree-cfg.c (replace_uses_by): Ditto.
1573         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1574         * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1575         Moved to ...
1576         * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1577         ... here.
1578         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1579         compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1580         get_loop and get_chrec_loop.
1581         (number_of_iterations_for_all_loops): Use number_of_loops.
1582         (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1583         * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1584         * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1585         and FOR_EACH_LOOP.
1586         * tree-chrec.c (evolution_function_is_invariant_rec_p,
1587         chrec_convert_1): Use get_loop and get_chrec_loop.
1588         * loop-init.c (loop_optimizer_init): Use number_of_loops.
1589         (loop_optimizer_init): Use FOR_EACH_LOOP.
1590         * tree-vectorizer.c (vect_loops_num): Removed.
1591         (vectorize_loops): Store number of loops locally.  Use
1592         FOR_EACH_LOOP and get_loop.
1593         * tree-vectorizer.h (vect_loops_num): Removed.
1594         * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1595         (find_data_references_in_loop): Do not set parallel_p.
1596         * tree-data-ref.h: Do not declare VEC(loop_p).
1597         * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1598         verify_loop_structure): Use FOR_EACH_LOOP.
1599         (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1600         (initialize_loops_parallel_p): Removed.
1601         (flow_loops_find): Push the loops into a vector.
1602         (delete_loop): New function.
1603         (cancel_loop): Use delete_loop.
1604         * cfgloop.h: Declare VEC(loop_p).
1605         (struct loop): Remove parallel_p field.
1606         (struct loops): Replace num and parray field by larray vector.
1607         Remove shared_headers field.
1608         (delete_loop): Declare.
1609         (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1610         FOR_EACH_LOOP): New.
1611         * doc/loop.tex: Document new accessor functions.
1613 2006-12-10  Andrew MacLeod  <amacleod@redhat.com>
1615         * common.opt (-ftree-lrs): Remove live range splitting option.
1616         * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1617         * opts.c (decode_options): Remove flag_tree_live_range_split.
1618         * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1619         * tree-flow-inline.h (single_imm_use_p): New.  Check for single use.
1620         * tree-outof-ssa.c: Remove header files which aren't needed.
1621         (SSANORM_*): Remove flags.
1622         (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1623         coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1624         (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1625         (assign_vars): Use Basevar instead of root_var structure.
1626         (replace_def_variable): Dont do anything if def is replaceable.
1627         (remove_ssa_form): Integrate functional changes.
1628         (rewrite_out_of_ssa): Remove live-range_split option.
1629         * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1630         (coalesce_cost): Calculate the cost of a coalesce.
1631         (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1632         (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1633         (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1634         (pop_best_coalesce): Remove the best coalesce from the list.
1635         (coalesce_pair_map_hash): Calculate coalesce pair hash.
1636         (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1637         (create_coalesce_list): Create a coalesce list object.
1638         (delete_coalesce_list): Free a coalesce list object.
1639         (find_coalesce_pair): Find matching pair in the coalesce list.
1640         (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1641         (add_coalesce): Add a coalesce to the coalesce list.
1642         (compare_pairs): Comparision function to determine pair sorted order.
1643         (num_coalesce_pairs): Number of coalesced pairs.
1644         (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1645         Coalesce pair iterator functions.
1646         (sort_coalesce_list): Sort coalesce pairs in order of expense.
1647         (dump_coalesce_list): Show coalesce list.
1648         (ssa_conflicts_new): Create an SSA conflict graph.
1649         (ssa_conflicts_delete): Delete an SSA conflict graph.
1650         (ssa_conflicts_test_p): Test for conflicts.
1651         (ssa_conflicts_add_one): Add a single conflict.
1652         (ssa_conflicts_add): Add a conflict pair.
1653         (ssa_conflicts_merge): Merge conflicts.
1654         (struct live_track_d): Struct for tracking live partitions.
1655         (new_live_track): Create new live_track object.
1656         (delete_live_track): Delete a live_track object.
1657         (live_track_remove_partition): Remove a partition from the live list.
1658         (live_track_add_partition): Add a partition from the live list.
1659         (live_track_clear_var): Take VAR from the live list.
1660         (live_track_live_p): Is var live?
1661         (live_track_process_use): Make var come alive.
1662         (live_track_process_def): Make var go dead, add conflicts.
1663         (live_track_init): Initialize to a live on exit set.
1664         (live_track_clear_base_vars): Clear live partitions.
1665         (build_ssa_conflict_graph): Build a conflict graph.
1666         (print_exprs): Common debug output routine.
1667         (abnormal_corrupt): Output info about a failed coalesce across an
1668         abnormal edge.
1669         (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1670         (create_outofssa_var_map): Create a var map and coalesce list.
1671         (attempt_coalesce): Coalesce a pair.
1672         (coalesce_partitions): Coalesce all pairs in a coalesce list.
1673         (coalesce_ssa_name): Entry point.  Determine what ssa_names to coalesce.
1674         * tree-ssa-live.c: Remove header files which aren't needed.
1675         (var_map_base_init): New.  Initialize a basevar list.
1676         (var_map_base_fini): New.  Finish a basevar list.
1677         (init_var_map): Initialize new fields.
1678         (delete_var_map): Free new fields.
1679         (var_union): Use renamed fields.
1680         (compact_var_map): Remove.
1681         (partition_to_view_init): Use renamed fields, change order of an if.
1682         (partition_view_fini): Use renamed fields.
1683         (partition_view_normal): Create basevar list if requested.
1684         (partition_view_bitmap): Create a view based on a bitmap of partitions.
1685         (change_partition_var): Use renamed fields.
1686         (create_ssa_var_map): Remove.
1687         (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1688         root_var_init): Remove.
1689         (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1690         delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1691         compare_pairs, num_coalesce_pairs, first_partition_pair,
1692         end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1693         pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1694         build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1695         tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1696         (dump_var_map): Use renamed fields.
1697         * tree-ssa-live.h (struct  _var_map): Modify fields.
1698         (partition_to_var, version_to_var, var_to_partition): Use renamed
1699         fields.
1700         (basevar_index): New.  Index of the base variable of a partition.
1701         (num_basevars): New.  Number of unique base variables in partition map.
1702         (register_ssa_partition): Use renamed fields.
1703         (struct tree_partition_associator_d): Remove.
1704         (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1705         tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1706         root_var, root_var_first_partition, root_var_next_partition,
1707         root_var_dump, root_var_delete, root_var_remove_partition,
1708         root_var_find, root_var_compact, root_var_decompact): Remove.
1709         (struct partition_pair, struct coalesce_list_d): Moved to
1710         tree-ssa-coalesce.c
1711         * tree-ssa-ter.c: Remove header files which aren't needed.
1713 2006-12-10  Steven Bosscher  <steven@gcc.gnu.org>
1715         * cse.c: (struct cse_basic_block_data): Remove LAST field.
1716         (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1717         BB field.
1718         (cse_visited_basic_blocks): New static bitmap.
1719         (cse_end_of_basic_block, cse_basic_block): Remove.
1720         (cse_find_path, cse_dump_path, cse_prescan_path,
1721         cse_extended_basic_block): New static functions.
1722         (cse_insn): Don't CSE over setjmp calls.  Use the CFG to find
1723         basic block boundaries.  Don't record jump equivalences here.
1724         Update the CFG after doing in-place replacement of the SET_SRC.
1725         (cse_main): Rewrite.  Look for extended basic block headers
1726         and call cse_extended_basic_block on them until all paths that
1727         start at this header are exhausted.
1728         (rest_of_handle_cse): Verify that the CFG is incrementally updated
1729         and correct after cse_main.
1730         Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1731         (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1732         (pass_cse): Add TODO_verify_flow.
1733         (pass_cse2): Likewise.
1735 2006-12-10  Rask Ingemann Lambertsen  <rask@sygehus.dk>
1737         * reload1.c (choose_reload_regs): Don't set byte offset when
1738         resolving subregs of hard regs.
1740 2006-12-09  Zack Weinberg  <zackw@panix.com>
1742         * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1743         suitable for the language, if set_yydebug is true.
1744         * c-pragma.h: Define enum pragma_omp_clause here.  Don't define
1745         YYDEBUG or declare yydebug.
1746         * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1748 2006-12-09  Jan Hubicka  <jh@suse.cz>
1750         * cgraph.c: Update copyright.
1751         * cgraph.h: Likewise
1752         (cgraph_update_pending_function): Remove prototype.
1753         * cgraphunit.c: Update copyright; update overall comment.
1754         (cgraph_assemble_pending_functions): Make local.
1756 2006-12-09  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1758         * haifa-sched.c (schedule_block): Remove excessive sanity check.
1760 2006-12-08  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1762         * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1763         spu_split_address.
1764         (cpat_const_p, gen_cpat_const): Add.
1765         * config/spu/spu.c (immediate_class): New enum.
1766         (cpat_info, classify_immediate): New.
1767         (print_operand): Use S, D, T instead of F, G, H.  Use
1768         classify_immediate.  Handle cpat cases.
1769         (spu_split_immediate):  Renamed from spu_split_address.  Split all
1770         immediates that can be split.
1771         (immediate_load_p): Use classify_immediate.
1772         (spu_legitimate_constant_p): Accept everything except some cases of
1773         CONST_VECTOR.
1774         (spu_expand_move): Use spu_split_immedate.
1775         (fsmbi_const_p): Use classify_immediate.
1776         (cpat_const_p): New.
1777         (gen_cpat_const: New.
1778         * config/spu/constraints.md (j,k,l): New constraints for cpat
1779         instructions.
1780         * config/spu/spu.md (unnamed splitter): Change address splitter to
1781         handle all immediates.
1782         (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1783         instructions.
1784         (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1785         when possible.
1787 2006-12-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1789         PR target/30039
1790         * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1791         patterns.  Correct length of high:DI instruction sequence.
1793 2006-12-08  Mike Stump  <mrs@apple.com>
1795         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1796         libgcc with -mmacosx-version-min=10.4.
1797         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1798         G4 for 10.5+ unless doing kernel builds.
1800 2006-12-08  Uros Bizjak  <ubizjak@gmail.com>
1802         PR target/30120
1803         * reg-stack.c (convert_regs_entry): Mark current argument passing
1804         registers as live.
1806         * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1807         of float arguments in x87 registers.
1809 2006-12-08  John David Anglin  <dave.anglin.@nrc-cnrc.gc.ca>
1811         * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1813 2006-12-08  Mark Shinwell  <shinwell@codesourcery.com>
1815         * recog.c (mode_dependent_address_p): Identify pre-increment,
1816         pre-decrement, post-increment and post-decrement addressing as always
1817         being mode-dependent.
1818         * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1819         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1820         * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1821         * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1822         PRE_INC and POST_INC checks.
1823         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1824         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1825         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1826         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1827         * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1828         PRE_INC, POST_DEC and POST_INC cases.
1829         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1830         Delete POST_INC and PRE_DEC cases.
1831         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1832         no-op.
1833         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1834         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1835         no-op.
1836         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1837         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1838         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1839         PRE_INC and PRE_DEC cases.
1840         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1841         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1842         * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1843         (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1844         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1845         * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1846         auto-increment cases.
1847         * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1848         auto-increment cases.
1849         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1851 2006-12-08  Andrew MacLeod  <amacleod@redhat.com>
1853         * Makefile.in: Add new file tree-ssa-ter.c.
1854         * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1855         free_temp_expr_table, add_value_to_version_list,
1856         add_value_to_partition_list, remove_value_from_partition_list,
1857         add_dependence, check_replaceable, finish_expr, mark_replaceable,
1858         kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1859         find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1860         * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1861         prototypes.
1862         * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1863         (struct value_expr_d): Remove.
1864         (struct temp_expr_table_d): Rename fields, add explicit vector of
1865         replaceable expressions instead of sharing.  Change value_expr_p's to
1866         bitmap.  Delete free_list.
1867         (new_temp_expr_table): Rename fields, count number of ssa_names in
1868         each partition.
1869         (free_temp_expr_table): Rename field, free new fields.
1870         (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1871         add_info_to_list, remove_value_from_list): Delete.
1872         (version_to_be_replaced_p): New.  Is an ssa-name replaceable?
1873         (make_dependent_on_partition): New.  Set bit in version list, allocating
1874         a bitmap if need be.
1875         (add_to_partition_kill_list): New.  Set bit in the partition list,
1876         allocating a bitmap if need be.
1877         (remove_from_partition_kill_list): New.  Remove a bit from the
1878         partition list, free the bitmap if it is empty.
1879         (add_dependence): Use renamed field, cleanup.  Don't add a dependence
1880         on partitions with only one member.
1881         (is_replaceable_p): New.  Split out replaceability check from
1882         check_replaceable.
1883         (process_replaceable): New.  Code split from check_replaceable.
1884         (check_replaceable): Removed.
1885         (finished_with_expr): Renamed from finish_expr.
1886         (kill_expr): Use renamed fields and less parameters.
1887         (kill_virtual_exprs): Less parameters.
1888         (mark_replaceable): Use renamed fields.
1889         (find_replaceable_in_bb): Use renamed fields, cleanup.
1890         (find_replaceable_exprs): Use renamed routines, cleanup.
1891         (dump_replaceable_exprs): Don't go past end of ssa_names list.
1892         (debug_ter): New.  Debug routine to dump state.
1894 2006-12-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1896         * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1897         anything involving the GOT.
1898         (bfin_adjust_cost): Don't take the REGNO of a MEM.
1899         (trapping_loads_p): Look inside the pattern of an insn to find the
1900         SET.
1901         * config/bfin/bfin.md (attr "type"): Add movcc.
1902         (insn_reservation "alu"): Likewise.
1903         (movsicc_insn1, movsicc_insn2): Change type to movcc.
1905 2006-12-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1907         * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1908         (spu_resolve_overloaded_builtin): Check for non scalar instead
1909         of vector type and check the function call argument type also for
1910         non scalar.
1911         Call build_function_call instead of spu_build_overload_builtin.
1913 2006-12-07  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1915         * config/spu/spu.c (array_to_constant): Correct the order of arguments
1916         to the calls of hwint_to_const_double.
1918 2006-12-07  Nick Clifton  <nickc@redhat.com>
1920         * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1921         elf_record_gcc_switches.
1923 2006-12-07  Andrew Macleod  <amacleod@redhat.com>
1925         * expr.c (string_constant): Account for non-zero lower bound arrays.
1927 2006-12-07  Richard Guenther  <rguenther@suse.de>
1929         * builtins.c (expand_builtin_pow): Adjust predicates for
1930         pow to cbrt expansion to unsafe math and !HONOR_NANS for
1931         negative base.
1933 2006-12-07  Jan Hubicka  <jh@suse.cz>
1935         * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1936         codegen.
1938 2006-12-07  Jan Hubicka  <jh@suse.cz>
1940         * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1941         use fold_constant_to_binary; tolerate wrong type constants.
1942         (value_intersect_p): Do just two tests.
1944 2006-12-07  Bernd Schmidt  <bernd.schmidt@analog.com>
1946         * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1947         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1948         lshifthi3): Use it, and fix the order of alternatives.
1950 2006-12-07  Nick Clifton  <nickc@redhat.com>
1952         * common.opt (record-gcc-switches): New command line switch.
1953         * target.h (print_switch_type): New enum.
1954         (print_switch_fn_type): New typedef for a function pointer.
1955         (struct gcc_target): Add record_gcc_switches and
1956         record_gcc_switches_section fields.
1957         * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1958         default definition.
1959         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1960         definition.
1961         * toplev.c (print_single_switch): Simplify by providing a
1962         pointer to function that will format and output the switch
1963         appropriately.
1964         (print_switch_values): Likewise.
1965         (print_to_asm_out_file): New function.
1966         (print_to_stderr): New function.
1967         (init_asm_output): If flag_record_gcc_switches is set then if
1968         the target supports recording the switches then emit them into
1969         the assembler output file, otherwise tell the user that the
1970         switch is not supported.
1971         * varasm.c (eld_record_gcc_switches): New function.  Example
1972         handler for the record_gcc_switches target hook.
1973         * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1974         target hook.
1975         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1976         * doc/invoke.texi (-frecord-gcc-switches): Document.
1978 2006-12-07  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1980         PR target/29794
1981         * sched-rgn.c (add_block1): Use correct initializer.
1983 2006-12-07  Richard Guenther  <rguenther@suse.de>
1985         * tree-vect-transform.c (vectorizable_call): Fix leftover of
1986         TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1988 2006-12-06  Aldy Hernandez  <aldyh@redhat.com>
1990         PR/30079
1991         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1992         not GIMPLE_MODIFY_STMT.
1994 2006-12-06  Jan Hubicka  <jh@suse.cz>
1996         * tree-vrp.c (operand_less_p): New.
1997         (compare_values, value_inside_range): Rewrite in terms of
1998         operand_less_p.
2000 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
2002         * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2003         (type): Remove cld.
2004         (length_immediate): Do not depend on cld type attribute.
2005         (length_address): Ditto.
2006         (modrm): Ditto.
2007         (memory): Ditto.
2008         (cld): Remove insn pattern.
2009         (strmov_singleop): Do not use DIRFLAG_REG.
2010         (*strmovdi_rex_1): Ditto.
2011         (*strmovsi_1): Ditto.
2012         (*strmovsi_rex_1): Ditto.
2013         (*strmovhi_1): Ditto.
2014         (*strmovhi_rex_1): Ditto.
2015         (*strmovqi_1): Ditto.
2016         (*strmovqi_rex_1): Ditto.
2017         (rep_mov): Ditto.
2018         (*rep_movdi_rex64): Ditto.
2019         (*rep_movsi): Ditto.
2020         (*rep_movsi_rex64): Ditto.
2021         (*rep_movqi): Ditto.
2022         (*rep_movqi_rex64): Ditto.
2023         (strset_singleop): Ditto.
2024         (*strsetdi_rex_1): Ditto.
2025         (*strsetsi_1): Ditto.
2026         (*strsetsi_rex_1): Ditto.
2027         (*strsethi_1): Ditto.
2028         (*strsethi_rex_1): Ditto.
2029         (*strsetqi_1): Ditto.
2030         (*strsetqi_rex_1): Ditto.
2031         (rep_stos): Ditto.
2032         (*rep_stosdi_rex64): Ditto.
2033         (*rep_stossi): Ditto.
2034         (*rep_stossi_rex64): Ditto.
2035         (*rep_stosqi): Ditto.
2036         (*rep_stosqi_rex64): Ditto.
2037         (cmpstrnsi): Do not generate cld insn.
2038         (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2039         (*cmpstrnqi_nz_1): Ditto.
2040         (*cmpstrnqi_nz_rex_1): Ditto.
2041         (cmpstrnqi_1): Ditto.
2042         (*cmpstrnqi_1): Ditto.
2043         (*cmpstrnqi_rex_1): Ditto.
2044         (strlenqi_1): Ditto.
2045         (*strlenqi_1): Ditto.
2046         (*strlenqi_rex_1): Ditto.
2048         * config/i386/geode.md (shift): Do not depend on cld type attribute.
2049         * config/i386/pentium.md (pent_cld): Remove insn reservation.
2050         * config/i386/athlon.md (athlon_decode): Do not depend on cld
2051         type attribute.
2052         * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2053         * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2054         attribute.
2055         (k6_alux_only_load): Ditto.
2056         (k6_alux_only_store): Ditto.
2058         * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2059         Do not emit cld instruction.
2060         (ix86_expand_setmem): Ditto.
2061         (ix86_expand_strlen): Do not emit cld instruction.
2063 2006-12-06  Bernd Schmidt  <bernd.schmidt@analog.com>
2065         * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2066         old ones.
2068 2006-12-06  Diego Novillo  <dnovillo@redhat.com>
2070         * gdbinit.in: Set complaints to 0.
2072 2006-12-06  Jan Hubicka  <jh@suse.cz>
2074         * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2075         ALONE_MEM_STAT_DECL): New macros.
2076         * bitmap.h: Include statistics.h
2077         (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2078         (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2079         (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2080         * bitmap.c: Include hashtab.h
2081         (bitmap_descriptor): New.
2082         (bitmap_hash): New static variable
2083         (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2084         New static functions.
2085         (bitmap_register): New.
2086         (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2087         bitmap_obstack_release): Do accounting.
2088         (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2089         accounting.
2090         (bitmap_gc_alloc_stat): Likewise.
2091         (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2092         (print_statistics, dump_bitmap_statistics): New functions.
2093         * toplev.c (finalize): Dump bitmap statistics.
2095 2006-12-06  Bernd Schmidt  <bernd.schmidt@analog.com>
2097         * reload1.c (delete_output_reload): Count occurrences in
2098         CALL_INSN_FUNCTION_USAGE.
2099         * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2100         crashing at the end of the list.
2102 2006-12-05  Daniel Berlin  <dberlin@dberlin.org>
2104         * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2105         Optimize to avoid marking more SMT's as used when they aren't.
2107 2006-12-05  Eric Christopher  <echristo@apple.com>
2109         * config/i386/i386.c (x86_output_aligned_bss): Move out
2110         of COMMON_ASM_OP ifdef.
2112 2006-12-05  Eric Christopher  <echristo@apple.com>
2114         * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2115         (STARTFILE_SPEC): Use.
2116         (DARWIN_DYLIB1_SPEC): New.
2117         (DARWIN_CRT1_SPEC): New.
2118         * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2119         DARWIN_EXTRA_SPECS.
2120         * config/i386/darwin.h: Ditto.
2121         * config/rs6000/darwin.h: Ditto.
2123 2006-12-05  Daniel Berlin  <dberlin@dberlin.org>
2125         * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2126         * tree-complex.c (pass_lower_complex): Ditto.
2127         * tree-ssa-ccp.c (pass_ccp): Ditto.
2128         (pass_store_ccp): Ditto.
2129         * tree-ssa-dom.c (pass_dominator): Ditto.
2130         (pass_phi_only_cprop): Ditto.
2131         * tree-sra.c (pass_sra): Ditto.
2132         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2133         * tree-flow.h (updating_used_alone): Remove.
2134         (updating_used_alone): Ditto.
2135         * tree-ssa-alias.c (updating_used_alone): Remove variable.
2136         (lhs_may_store_to): Remove function.
2137         (recalculate_used_alone): Ditto.
2138         (compute_may_aliases): Remove used_alone calculation.
2139         * tree.h (struct tree_memory_tag): Remove is_used_alone and
2140         old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2141         * tree-pass.h (PROP_smt_usage): Remove.
2142         * passes.c (execute_todo): Remove used alone recalculation.
2143         (execute_one_pass): Ditto.
2144         * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2145         stuff.
2147 2006-12-05  Brooks Moses  <brooks.moses@codesourcery.com>
2149         * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2151 2006-12-05  Zdenek Dvorak <dvorakz@suse.cz>
2153         PR tree-optimization/14784
2154         * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2156 2006-12-05  Aldy Hernandez  <aldyh@redhat.com>
2158         Merge from gimple-tuples-branch.
2160         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2162         * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2163         GIMPLE_MODIFY_STMT.
2164         (s390_gimplify_va_arg): Same.
2165         * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2166         * config/sh/sh.c (sh_va_start): Same.
2167         (sh_gimplify_va_arg_expr): Same.
2168         * config/xtensa/xtensa.c (xtensa_va_start): Same.
2169         (xtensa_gimplify_va_arg_expr): Same.
2170         * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2171         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2172         * config/mips/mips.c (mips_va_start): Same.
2173         (mips_gimplify_va_arg_expr): Same.
2175         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2177         * Merge from mainline at revision 119445.
2179         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2181         * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2182         GIMPLE_MODIFY_STMT.
2183         (spu_gimplify_va_arg_expr): Same.
2185         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2187         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2188         Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2189         (xstormy16_expand_builtin_va_arg): Same.
2191         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2193         * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2194         to GIMPLE_MODIFY_STMT.
2196         2006-12-04  Aldy Hernandez  <aldyh@redhat.com>
2198         * config/alpha/alpha.c (va_list_skip_additions): Change all
2199         occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2200         (alpha_va_start): Same.
2201         (alpha_gimplify_va_arg_1): Same.
2202         (alpha_gimplify_va_arg): Same.
2204         2006-12-01  Aldy Hernandez  <aldyh@redhat.com>
2206         * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2208         2006-12-01  Aldy Hernandez  <aldyh@redhat.com>
2210         * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2211         GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2212         GENERIC_TREE_TYPE.
2213         * tree-complex.c: Same.
2214         * tree-pretty-print.c: Same.
2215         * tree.c: Same.
2216         * tree.h: Same.
2217         * builtins.c: Same.
2218         * fold-const.c: Same.
2219         * tree-ssa-dom.c: Same.
2220         * tree-ssa-propagate.c: Same.
2221         * tree-ssa-alias.c: Same.
2222         * gimple-low.c: Same.
2223         * dwarf2out.c: Same.
2224         * c-pretty-print.c: Same.
2225         * gimplify.c: Same.
2226         * tree-inline.c: Same.
2227         * tree-outof-ssa.c: Same.
2228         * tree-ssa-structalias.c: Same.
2229         * tree-ssa-reassoc.c: Same.
2230         * stmt.c: Same.
2232         2006-11-16  Aldy Hernandez  <aldyh@redhat.com>
2234         * tree.c (build2_stat): Fix comment.
2236         2006-11-13  Aldy Hernandez  <aldyh@redhat.com>
2238         * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2239         TREE_OPERAND when appropriate.
2241         2006-11-04  Aldy Hernandez  <aldyh@redhat.com>
2243         * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2244         (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2245         (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2246         * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2247         not handle GIMPLE_MODIFY_STMT in the switch statement.
2248         (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2249         (java_gimplify_new_array_init): Same.
2251         2006-11-03  Aldy Hernandez  <aldyh@redhat.com>
2253         * gimplify.c (gimplify_omp_for): Allow gimple statements.
2254         * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2255         * fold-const.c (fold_binary): Allow gimple statements.
2256         (fold): Same.
2257         * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2258         Rename from gfc_conv_descriptor_data_set.
2259         Call gfc_add_modify instead of gfc_add_modify_expr.
2260         * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2261         Rename from gfc_conv_descriptor_data_set.
2262         (gfc_conv_descriptor_data_set): New macro.
2263         (gfc_conv_descriptor_data_set_tuples): New macros.
2264         * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2265         gfc_conv_descriptor_data_set_tuples.
2266         * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2267         Generate GIMPLE_MODIFY_STMT when appropriate.
2268         * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2269         (gfc_add_modify_expr): New macro.
2270         (gfc_add_modify_stmt): New macro.
2271         * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2273         2006-11-01  Aldy Hernandez  <aldyh@redhat.com>
2275         * Merge from mainline at revision 118200.
2277         2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2279         * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2280         accordingly.
2282         2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2284         * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2285         enable checking.
2286         Also, add __extension__ to GCC versions.
2287         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2288         * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2289         patrol.
2291         2006-10-05  Aldy Hernandez  <aldyh@redhat.com>
2293         * tree-complex.c (expand_complex_libcall): Adjust for
2294         GIMPLE_MODIFY_STMT.
2295         (expand_complex_comparison): Same.
2296         * tree-pretty-print.c (dump_generic_node): Is_expr should include
2297         GIMPLE_STMT_P statements.
2298         * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2299         GIMPLE_MODIFY_STMT.
2300         (tree_mod_pow2_value_transform): Same.
2301         (tree_mod_subtract_transform): Same.
2302         * tree.c (build2_stat): Check for gimplified function in cfun.
2303         * tree.h (DECL_GIMPLIFIED): Delete.
2304         (struct tree_function_decl): Remove gimplified_flag.
2305         * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2306         * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2307         (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2308         (cxx_omp_clause_copy_ctor): Same.
2309         (cxx_omp_clause_assign_op): Same.
2310         * c-pretty-print.c (pp_c_conditional_expression): Same.
2311         (pp_c_expression): Same.
2312         * langhooks.c (lhd_omp_predetermined_sharing): Same.
2313         * function.h (struct function): Add gimplified field.
2314         * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2315         GIMPLE_MODIFY_STMT.
2316         (find_phi_replacement_condition): Same.
2317         * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2318         (gimplify_modify_expr_to_memset): Same.
2319         (gimplify_init_ctor_eval_range): Same.
2320         (gimplify_modify_expr_complex_part): Same.
2321         (tree_to_gimple_tuple): Same.
2322         (gimplify_modify_expr): Same.
2323         (gimple_push_cleanup): Same.
2324         (gimplify_omp_for): Same.
2325         (gimplify_omp_atomic_pipeline): Same.
2326         (gimplify_omp_atomic_mutex): Same.
2327         (gimplify_expr): Same.
2328         (gimplify_one_sizepos): Same.
2329         (gimplify_function_tree): Same.
2330         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2331         (vect_recog_widen_sum_pattern): Same.
2332         * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2333         (vect_create_epilog_for_reduction): Same.
2334         (vectorizable_reduction): Same.
2336         2006-09-28  Aldy Hernandez  <aldyh@redhat.com>
2338         * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2339         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2340         (ifc_temp_var): Same.
2341         * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2342         for gimple statements.
2343         (vect_analyze_operations): Same.
2344         (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2345         * gimplify.c (gimplify_return_expr): Handle gimple statements.
2346         * lambda-code.c (can_put_in_inner_loop): Same.
2347         (can_put_after_inner_loop): Same.
2348         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2349         (vect_create_data_ref_ptr): Same.
2350         (vect_init_vector): Same.
2351         (vect_get_vec_def_for_operand): Same.
2352         (vect_create_epilog_for_reduction): Same.
2353         (vectorizable_reduction): Same.
2354         (vectorizable_assignment): Same.
2355         (vectorizable_operation): Same.
2356         (vectorizable_load): Same.
2357         (vectorizable_condition): Same.
2358         * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2359         (rs6000_gimplify_va_arg): Same.
2361         2006-09-25  Aldy Hernandez  <aldyh@redhat.com>
2363         * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2364         GIMPLE_STMT_OPERAND.
2365         (simplify_abs_using_ranges): Same.
2366         * tree-complex.c (expand_complex_operations_1): Use
2367         PROTECTED_TREE_OPERAND.
2368         * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2369         stmt.
2370         (get_val_for): Use GIMPLE_STMT_OPERAND.
2371         * tree-tailcall.c (adjust_accumulator_values): Same.
2372         (adjust_return_value): Same.
2373         * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2374         case.  Remove special case for tcc_gimple_stmt.
2375         * tree.h (CAN_HAVE_LOCATION_P): New.
2376         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2377         GIMPLE_STMT_P.
2378         * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2379         * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2380         * tree-nrv.c (execute_return_slot_opt): Same.
2381         * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2382         * tree-vn.c (set_value_handle): Same.
2383         (get_value_handle): Same.
2384         * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2385         * tree-vectorizer.c (find_loop_location): Same.
2386         * c-typeck.c (c_process_expr_stmt): Same.
2387         (c_finish_stmt_expr): Same.
2388         * gimplify.c (should_carry_locus_p): Same.
2389         (tree_to_gimple_tuple): Delete definition and use of unecessary
2390         variable save_tree_block.
2391         * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2392         (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2393         (realify_fake_stores): Same.
2394         * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2395         Use TREE_OPERAND.
2396         * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2397         (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2398         * tree-cfg.c (move_stmt_r): Use EXPR_P.  Check for GIMPLE_STMT_P.
2399         * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2400         (c_parser_statement_after_labels): Same.
2401         (c_parser_paren_condition): Same.
2402         (c_parser_for_statement): Same.
2403         (c_parser_omp_for_loop): Same.
2404         * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2405         (linearize_expr_tree): Same.
2406         * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2407         * function.c (instantiate_expr): Same.
2409         2006-09-22  Aldy Hernandez  <aldyh@redhat.com>
2411         * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2412         (set_expr_location): Same.
2413         (expr_locus): Same.
2414         (set_expr_locus): Same.
2415         (expr_filename): Same.
2416         (expr_lineno): Same.
2417         (tree_block): Use GIMPLE_STMT_BLOCK.
2418         (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2419         * tree.h (struct gimple_stmt): Remove prev and next.
2420         (GIMPLE_STMT_OPERAND_CHECK): New.
2421         (TREE_TO_GIMPLE_STMT): Delete.
2422         (GIMPLE_STMT_TO_TREE): Delete.
2423         (GIMPLE_STMT_OPERAND): Use union, not cast.
2424         (GIMPLE_STMT_LOCUS): New.
2425         (GIMPLE_STMT_BLOCK): New.
2426         * gimplify.c (tree_to_gimple_tuple): Use union.  Do not cast
2427         to tree_base.
2428         * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2430         2006-09-21  Aldy Hernandez  <aldyh@redhat.com>
2432         * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2433         to base.
2434         * tree-tailcall.c (adjust_return_value): Same.
2435         * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2436         (copy_node_stat): Change common.base to base.
2437         (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2438         Remove GIMPLE_STATEMENT_LIST case.
2439         * tree.h (struct gimple_stmt): Make operands of type tree.
2440         (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2441         CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2442         TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2443         TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2444         TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2445         TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2446         TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2447         BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2448         TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2449         CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2450         TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2451         TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2452         SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2453         Change common.base to base.
2454         (GIMPLE_STATEMENT_LIST*): Remove.
2455         (union tree_node): Add base.  Remove gimple_statement_list.
2456         Remove pointer from gstmt.
2457         * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2458         * treestruct.def: Add TS_BASE.  Remove TS_GIMPLE_STATEMENT_LIST.
2459         * tree-vn.c (vn_compute): Change common.base to base.
2460         * tree-eh.c (verify_eh_throw_stmt_node): Same.
2461         * tree-flow-inline.h (var_ann): Same.
2462         (function_ann): Same.
2463         (stmt_ann): Same.
2464         (mark_non_addressable): Same.
2465         * gimplify.c (tree_to_gimple_tuple): Same.
2466         * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2467         * tree-dfa.c (create_var_ann): Change common.base to base.
2468         (create_function_ann): Same.
2469         (create_stmt_ann): Same.
2470         (create_tree_ann): Same.
2471         (collect_dfa_stats_r): Same.
2472         * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2473         * tree-ssa-dce.c (NECESSARY): Same.
2474         * tree-ssa.c (delete_tree_ssa): Same.
2475         * tree-optimize.c (execute_free_cfg_annotations): Same.
2476         * tree-flow.h: Same.
2478         2006-09-19  Aldy Hernandez  <aldyh@redhat.com>
2480         * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2481         (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2482         GIMPLE_MODIFY_STMT.
2483         * tree.h (struct gimple_stmt): Add prev and next fields.
2484         (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2485         (GIMPLE_STATEMENT_LIST_HEAD): New.
2486         (GIMPLE_STATEMENT_LIST_TAIL): New.
2487         (struct gimple_statement_list): New.
2488         (union tree_node): Add gimple_stmt_list and gstmt.
2489         * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2490         * tree.def: Add GIMPLE_STATEMENT_LIST.
2492         2006-09-06  Aldy Hernandez  <aldyh@redhat.com>
2494         * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2495         * tree-vrp.c (build_assert_expr_for): Change uses of
2496         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2497         (find_assert_locations): Same.
2498         (remove_range_assertions): Same.
2499         (stmt_interesting_for_vrp): Same.
2500         (vrp_visit_assignment): Same.
2501         (vrp_visit_stmt): Same.
2502         (simplify_cond_using_ranges): Same.
2503         * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2504         tree structure.
2505         * tree-ssa-loop-im.c (movement_possibility): Change uses of
2506         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2507         (stmt_cost): Same.
2508         (determine_invariantness_stmt): Same.
2509         (schedule_sm): Same.
2510         (gather_mem_refs_stmt): Same.
2511         * tree-complex.c (init_dont_simulate_again): Same.
2512         (complex_visit_stmt): Same.
2513         (set_component_ssa_name): Same.
2514         (expand_complex_move): Same.
2515         (expand_complex_div_wide): Same.
2516         (expand_complex_comparison): Same.
2517         (expand_complex_operations_1): Same.
2518         * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2519         (chain_of_csts_start): Same.
2520         (infer_loop_bounds_from_undefined): Same.
2521         * tree-pretty-print.c (dump_generic_node): Same.
2522         (op_prio): Same.
2523         (op_symbol_1): Same.
2524         * tree-ssa-loop-manip.c (create_iv): Same.
2525         * value-prof.c (tree_divmod_fixed_value): Same.
2526         (tree_divmod_fixed_value_transform): Same.
2527         (tree_mod_pow2): Same.
2528         (tree_mod_pow2_value_transform): Same.
2529         (tree_mod_subtract): Same.
2530         (tree_mod_subtract_transform): Same.
2531         (tree_divmod_values_to_profile): Same.
2532         * tree-tailcall.c (process_assignment): Same.
2533         (find_tail_calls): Same.
2534         (adjust_accumulator_values): Same.
2535         (adjust_return_value): Same.
2536         (eliminate_tail_call): Same.
2537         * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2538         (make_node_stat): Same.
2539         (copy_node_stat): Handle gimple tuples.
2540         (expr_align): Handle GIMPLE_MODIFY_STMT.  Abort on MODIFY_EXPR.
2541         (tree_node_structure): Handle tcc_gimple_stmt.
2542         (build2_stat): Abort on MODIFY_EXPR after gimplification.  Handle
2543         tcc_gimple_stmt.
2544         (build2_gimple_stat): New.
2545         (expr_location): New.
2546         (set_expr_location): New.
2547         (expr_has_location): New.
2548         (expr_locus): New.
2549         (set_expr_locus): New.
2550         (expr_filename): New.
2551         (expr_lineno): New.
2552         (walk_tree): Handle tcc_gimple_stmt.
2553         (tree_block): New.
2554         (protected_tree_operand): New.
2555         (protected_tree_type): New.
2556         (tree_code_kind): Add gimple statements.
2557         * tree.h (tree_code_class): Add tcc_gimple_stmt.
2558         (IS_GIMPLE_STMT_CODE_CLASS): New.
2559         (struct tree_base): New.
2560         (struct tree_common): Shrink.
2561         (struct gimple_stmt): New.
2562         (struct gimple_expr): New.
2563         (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2564         CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2565         TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2566         TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2567         TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2568         FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2569         TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2570         BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2571         TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2572         DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2573         TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2574         IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2575         TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2576         TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2577         Adjust for new `common' layout.
2578         (struct tree_function_decl): Add gimplified_flag.
2579         (DECL_GIMPLIFIED): NEW.
2580         (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2581         SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2582         EXPR_HAS_LOCATION): Call corresponding function.
2583         (GIMPLE_STMT_CHECK): New.
2584         (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2585         (TREE_BLOCK): Call tree_block.
2586         (GIMPLE_STMT_P): New.
2587         (GIMPLE_TUPLE_P): New.
2588         (TREE_TO_GIMPLE_STMT): New.
2589         (GIMPLE_STMT_TO_TREE): New.
2590         (GIMPLE_STMT_OPERAND): New.
2591         (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2592         (PROTECTED_TREE_OPERAND): New.
2593         (PROTECTED_TREE_TYPE): New.
2594         (build2_gimple_stat): Protoize.
2595         (build2_gimple): New.
2596         (expr_location): Protoize.
2597         (set_expr_location): Protoize.
2598         (expr_has_location): Protoize.
2599         (expr_locus): Protoize.
2600         (set_expr_locus): Protoize.
2601         (expr_filename): Protoize.
2602         (expr_lineno): Protoize.
2603         (tree_block): Protoize.
2604         (protected_tree_operand): Protoize.
2605         (protected_tree_type): Protoize.
2606         (enum tree_node_kind): Add gimple_stmt_kind.
2607         * c-decl.c (union lang_tree_node): Tuples do not have a
2608         TREE_CHAIN.
2609         * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2610         GIMPLE_MODIFY_STMT and adjust accordingly.
2611         * tree-scalar-evolution.c (follow_ssa_edge): Same.
2612         (interpret_condition_phi): Same.
2613         (pointer_used_p): Same.
2614         (analyze_scalar_evolution_1): Same.
2615         (scev_const_prop): Same.
2616         (interpret_rhs_modify_stmt): Rename from
2617         interpret_rhs_modify_expr.
2618         * builtins.c (std_expand_builtin_va_start): Change uses of
2619         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2620         (std_gimplify_va_arg_expr): Same.
2621         (expand_builtin_va_copy): Same.
2622         (integer_valued_real_p): Same.
2623         * fold-const.c (maybe_lvalue_p): Same.
2624         (fold_unary): Same.
2625         (tree_expr_nonnegative_p): Same.
2626         (tree_expr_nonzero_p): Same.
2627         * omp-low.c (extract_omp_for_data): Same.
2628         (lower_rec_input_clauses): Same.
2629         (lower_reduction_clauses): Same.
2630         (lower_copyprivate_clauses): Same.
2631         (lower_send_clauses): Same.
2632         (lower_send_shared_vars): Same.
2633         (expand_parallel_call): Same.
2634         (expand_omp_parallel): Same.
2635         (expand_omp_for_generic): Same.
2636         (expand_omp_for_static_nochunk): Same.
2637         (expand_omp_for_static_chunk): Same.
2638         (expand_omp_sections): Same.
2639         (lower_omp_single_copy): Same.
2640         (lower_omp_parallel): Same.
2641         * tree-ssa-dse.c (memory_address_same): Same.
2642         (dse_optimize_stmt): Same.
2643         * ipa-reference.c (scan_for_static_refs): Same.
2644         * tree-gimple.c (is_gimple_reg_rhs): Same.
2645         (get_call_expr_in): Same.
2646         (recalculate_side_effects): Same.
2647         * cgraphunit.c (cgraph_create_edges): Same.
2648         * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2649         * tree-ssa-ccp.c (get_default_value): Same.
2650         (likely_value): Same.
2651         (visit_assignment): Same.
2652         (ccp_visit_stmt): Same.
2653         (get_maxval_strlen): Same.
2654         (ccp_fold_builtin): Same.
2655         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2656         (find_givs_in_stmt): Same.
2657         (find_interesting_uses_op): Same.
2658         (find_interesting_uses_stmt): Same.
2659         (rewrite_use_nonlinear_expr): Same.
2660         * ipa-pure-const.c (scan_function): Same.
2661         * tree-stdarg.c (va_list_counter_bump): Same.
2662         (check_all_va_list_escapes): Same.
2663         (execute_optimize_stdarg): Same.
2664         * tree-ssa-math-opts.c (compute_merit): Same.
2665         (insert_reciprocals): Same.
2666         (execute_cse_reciprocals): Same.
2667         * tree-ssa-dom.c (initialize_hash_element): Same.
2668         (simple_iv_increment_p): Same.
2669         (record_equivalences_from_stmt): Same.
2670         (optimize_stmt): Same.
2671         (remove_stmt_or_phi): Same.
2672         (get_rhs_or_phi_arg): Same.
2673         (get_lhs_or_phi_result): Same.
2674         (propagate_rhs_into_lhs): Same.
2675         * tree-nrv.c (tree_nrv): Same.
2676         (execute_return_slot_opt): Same.
2677         * tree-ssa-propagate.c (get_rhs): Same.
2678         (set_rhs): Same.
2679         (stmt_makes_single_load): Same.
2680         (stmt_makes_single_store): Same.
2681         (replace_vuses_in): Same.
2682         (fold_predicate_in): Same.
2683         (substitute_and_fold): Same.
2684         * tree-ssa-alias.c (compute_call_clobbered): Same.
2685         (recalculate_used_alone): Same.
2686         (count_uses_and_derefs): Same.
2687         (is_escape_site): Same.
2688         (find_used_portions): Same.
2689         * gimple-low.c (lower_stmt): Same.
2690         (block_may_fallthru): Same.
2691         (lower_return_expr): Same.
2692         * tree-ssa-sink.c (is_hidden_global_store): Same.
2693         (statement_sink_location): Same.
2694         * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2695         * expr.c (safe_from_p): Same.
2696         (expand_expr_real): Same.
2697         (expand_expr_real_1): Same.
2698         * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2699         * predict.c (expr_expected_value): Same.
2700         (strip_builtin_expect): Same.
2701         (apply_return_prediction): Same.
2702         (tree_bb_level_predictions): Same.
2703         (tree_estimate_probability): Same.
2704         * tree-vn.c (vn_compute): Same.
2705         * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2706         (remove_stmt_from_eh_region_fn): Same.
2707         (do_return_redirection): Same.
2708         (honor_protect_cleanup_actions): Same.
2709         (lower_try_finally_switch): Same.
2710         (lower_eh_constructs_1): Same.
2711         (tree_could_throw_p): Same.
2712         (verify_eh_throw_stmt_node): Same.
2713         * function.c (gimplify_parameters): Same.
2714         * tree-vectorizer.c (vect_is_simple_use): Same.
2715         (vect_is_simple_reduction): Same.
2716         * ipa-type-escape.c (scan_for_refs): Same.
2717         * tree-if-conv.c (tree_if_conversion): Same.
2718         (tree_if_convert_stmt): Same.
2719         (if_convertible_gimplify_modify_stmt_p): Rename from
2720         if_convertible_modify_expr_p.
2721         (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2722         (ifc_temp_var): Same.
2723         (replace_phi_with_cond_modify_stmt): Rename from
2724         replace_phi_with_cond_modify_expr.
2725         (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2726         * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2727         * tree-data-ref.c (find_data_references_in_loop): Adjust for
2728         GIMPLE_MODIFY_STMT.
2729         * tree-flow-inline.h (var_ann): Same.
2730         (function_ann): Same.
2731         (stmt_ann): Same.
2732         (mark_non_addressable): Same.
2733         * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2734         * gimplify.c (tree_to_gimple_tuple): New.
2735         (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2736         (gimplify_return_expr): Same.
2737         (gimplify_decl_expr): Same.
2738         (gimplify_self_mod_expr): Same.
2739         (gimplify_cond_expr): Same.
2740         (gimplify_init_constructor): Same.
2741         (gimplify_modify_expr): Same.
2742         (gimplify_expr): Same.
2743         (gimplify_function_tree): Same.
2744         (force_gimple_operand): Same.
2745         * tree-ssa-phiopt.c (conditional_replacement): Same.
2746         (minmax_replacement): Same.
2747         (abs_replacement): Same.
2748         * tree-dfa.c (create_var_ann): Same.
2749         (create_function_ann): Same.
2750         (create_stmt_ann): Same.
2751         (create_tree_ann): Same.
2752         (collect_dfa_stats_r): Same.
2753         * tree-ssa-pre.c (find_or_generate_expression): Same.
2754         (create_expression_by_pieces): Same.
2755         (try_look_through_load): Same.
2756         (insert_fake_stores): Same.
2757         (realify_fake_stores): Same.
2758         (compute_avail): Same.
2759         (eliminate): Same.
2760         (init_pre): Same.
2761         (poolify_modify_stmt): Rename from poolify_modify_stmt.
2762         Adjust for GIMPLE_MODIFY_STMT.
2763         (NECESSARY): Adjust for new `common' layout.
2764         * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2765         GIMPLE_MODIFY_STMT.
2766         * tree-sra.c (sra_walk_modify_stmt): Rename from
2767         sra_walk_modify_expr.
2768         (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2769         (generate_copy_inout): Same.
2770         (generate_element_copy): Same.
2771         (generate_element_zero): Same.
2772         (scalarize_copy): Same.
2773         * tree-mudflap.c (mf_decl_cache_locals): Same.
2774         (mf_build_check_statement_for): Same.
2775         (mf_xform_derefs): Same.
2776         * ipa-prop.c (ipa_method_modify_stmt): Same.
2777         * print-tree.c (print_node): Handle gimple tuples.
2778         Add case for tcc_gimple_stmt.
2779         * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2780         GIMPLE_MODIFY_STMT.
2781         (copy_prop_visit_assignment): Same.
2782         (copy_prop_visit_stmt): Same.
2783         (init_copy_prop): Same.
2784         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2785         (forward_propagate_into_cond_1): Same.
2786         (find_equivalent_equality_comparison): Same.
2787         (tidy_after_forward_propagate_addr): Same.
2788         (forward_propagate_addr_expr_1): Same.
2789         (simplify_not_neg_expr): Same.
2790         (simplify_switch_expr): Same.
2791         * tree-ssa-dce.c (find_pdom): Same.
2792         (mark_stmt_if_obviously_necessary): Same.
2793         (NECESSARY): Adjust for new `common' layout.
2794         * tree-flow.h: Same.
2795         * tree-vect-patterns.c (widened_name_p): Adjust for
2796         GIMPLE_MODIFY_STMT.
2797         (vect_recog_dot_prod_pattern): Same.
2798         (vect_recog_widen_sum_pattern): Same.
2799         (vect_pattern_recog_1): Same.
2800         * tree-nested.c (init_tmp_var): Same.
2801         (save_tmp_var): Same.
2802         (walk_stmts): Same.
2803         (convert_call_expr): Same.
2804         (finalize_nesting_tree_1): Same.
2805         * tree-ssa.c (verify_ssa): Same.
2806         (delete_tree_ssa): Same.
2807         * lambda-code.c (lbv_to_gcc_expression): Same.
2808         (lle_to_gcc_expression): Same.
2809         (lambda_loopnest_to_gcc_loopnest): Same.
2810         (can_put_in_inner_loop): Same.
2811         (can_convert_to_perfect_nest): Same.
2812         (perfect_nestify): Same.
2813         * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2814         * tree-inline.c (copy_body_r): Same.
2815         (setup_one_parameter): Same.
2816         (initialize_inlined_parameters): Same.
2817         (estimate_num_insns_1): Same.
2818         (expand_call_inline): Same.
2819         (gimple_expand_calls_inline): Same.
2820         (copy_tree_r): Same.
2821         * tree-optimize.c (execute_free_cfg_annotations): Same.
2822         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2823         (vect_align_data_ref): Same.
2824         (vect_create_data_ref_ptr): Same.
2825         (vect_init_vector): Same.
2826         (vect_create_epilog_for_reduction): Same.
2827         (vectorizable_reduction): Same.
2828         (vectorizable_assignment): Same.
2829         (vectorizable_operation): Same.
2830         (vectorizable_store): Same.
2831         (vectorizable_load): Same.
2832         (vectorizable_live_operation): Same.
2833         (vectorizable_condition): Same.
2834         (vect_generate_tmps_on_preheader): Same.
2835         (vect_create_cond_for_align_checks): Same.
2836         * tree-object-size.c (collect_object_sizes_for): Same.
2837         (check_for_plus_in_loops_1): Same.
2838         (check_for_plus_in_loops): Same.
2839         * tree-outof-ssa.c (insert_copy_on_edge): Same.
2840         (replace_use_variable): Same.
2841         (check_replaceable): Same.
2842         (rewrite_trees): Same.
2843         (identical_copies_p): Same.
2844         (insert_backedge_copies): Same.
2845         * tree-profile.c (tree_gen_edge_profiler): Same.
2846         * tree-vect-generic.c (expand_vector_operations_1): Same.
2847         * tree-ssa-structalias.c (update_alias_info): Same.
2848         (find_func_aliases): Same.
2849         * tree-cfg.c (factor_computed_gotos): Same.
2850         (make_edges): Same.
2851         (make_goto_expr_edges): Same.
2852         (tree_merge_blocks): Same.
2853         (remove_useless_stmts_cond): Same.
2854         (remove_useless_stmts_1): Same.
2855         (tree_find_edge_insert_loc): Same.
2856         (verify_expr): Same.
2857         (gimplify_val): Same.
2858         (verify_gimple_tuples_1): New.
2859         (verify_gimple_tuples): New.
2860         (verify_stmts): Call verify_gimple_tuples.
2861         * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2862         (get_unary_op): Same.
2863         (linearize_expr): Same.
2864         (get_single_immediate_use): Same.
2865         (negate_value): Same.
2866         (should_break_up_subtract): Same.
2867         (break_up_subtract): Same.
2868         (repropagate_negates): Same.
2869         (break_up_subtract_bb): Same.
2870         (reassociate_bb): Same.
2871         * config/i386/i386.c (ix86_va_start): Same.
2872         (ix86_gimplify_va_arg): Same.
2873         * stmt.c (expand_expr_stmt): Same.
2874         (warn_if_unused_value): Same.
2875         (expand_return): Same.
2876         * tree-ssanames.c (make_ssa_name): Same.
2877         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2878         * tree-ssa-operands.c (finalize_ssa_defs): Same.
2879         (add_virtual_operand): Same.
2880         (get_expr_operands): Same.
2881         (parse_ssa_operands): Same.
2882         (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2884 2006-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2886         * config.host: Remove extra blank line.
2888 2006-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2890         * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2891         target is also an x86 variant.
2893 2006-12-05  Richard Guenther  <rguenther@suse.de>
2895         * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2896         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2897         (ix86_builtin_vectorized_function): New function to vectorize
2898         sqrt.
2900 2006-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2902         * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2903         ia64_override_options.
2905 2006-12-04  Jan Hubicka  <jh@suse.cz>
2907         * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2908         really_expand.
2910 2006-12-04  Bernd Schmidt  <bernd.schmidt@analog.com>
2912         * rtlanal.c (note_uses): Deal with SEQUENCEs.
2913         * config/bfin/bfin.c: Include "timevar.h".
2914         (bfin_flag_schedule_insns2, splitting_for_sched,
2915         bfin_flag_var_tracking): New variables.
2916         (print_operand): Handle '%!'.
2917         (override_options): Disable normal sched2 pass, instead set
2918         bfin_flag_schedule_insns2 for reorg to handle it.
2919         (output_file_start): Likewise for var-tracking.
2920         (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2921         (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2922         New functions.
2923         (bfin_reorg): Do second scheduling pass here, and call
2924         bfin_gen_bundles.  Use type_for_anomaly and trapping_loads_p instead
2925         of examining insns directly.  If bfin_flag_var_tracking, call
2926         var-tracking pass when done with everything else.
2927         * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2928         * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2929         (movsi_insn32): New pattern, with two new splits to create it
2930         before the final scheduling pass.
2931         (neghi2): Not a dsp32 insn, rather alu0.
2932         (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2933         movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2934         extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2935         mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2936         ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2937         movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2938         movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2939         ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2940         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2941         subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2942         addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2943         flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2944         flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2945         flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2946         flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2947         flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2948         mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2949         lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2950         variants instead of ';'.
2951         (ror_one, rol_one): Likewise.  Make them dsp32 insns.
2952         (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2953         (align8, align16, align24): Now named patterns; also using '%!'.
2954         (mnop): New insn.
2956 2006-12-05  Kazu Hirata  <kazu@codesourcery.com>
2958         * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2959         tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2961 2006-12-04  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2963         * config/spu/spu-protos.c (spu_split_address): Add.
2964         * config/spu/spu.c (spu_split_address): Add.
2965         (print_operand): Handle HIGH.
2966         (spu_legitimate_address):  Don't test for aligned CONST.
2967         (spu_expand_mov):  Don't split addresses here.
2968         * config/spu/constraints.md (A): Don't test legitimate_const.
2969         * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2970         (ceq_di): Use correct predicates.
2972 2006-12-04  Eric Christopher  <echristo@apple.com>
2974         * config/darwin.h: Update copyright notice.
2975         * config/i386/darwin.h: Ditto.
2977 2006-12-04  Jan Hubicka  <jh@suse.cz>
2979         * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2980         * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2982 2006-12-04  Daniel Berlin  <dberlin@dberlin.org>
2984         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2985         set_used_smts.
2986         * tree-ssa-structalias.c (set_used_smts): Export.
2987         (find_what_p_points_to): Don't call set_used_smts here.
2988         * tree-ssa-structalias.h (set_used_smts): Add prototype.
2990 2006-12-04  Daniel Berlin  <dberlin@dberlin.org>
2992         * tree-ssa-alias.c (compute_may_aliases):
2993         Compute flow sensitive before flow insensitive.
2994         (compute_flow_sensitive_aliasing): Don't try to add
2995         a symbol memory tag to itself.
2997         * alias.h (alias_set_subset_of): New prototype.
2999         * alias.c (alias_set_subset_of): New function.
3001         * tree-ssa-structalias.c: Update comments.
3002         (struct variable_info): Add finished_solution.
3003         (new_varinfo): Set finished solution to NULL.
3004         (var_escaped_vars): Remove.
3005         (escaped_vars_tree): Remove.
3006         (escaped_vars_id): Remove.
3007         (nonlocal_vars_id): Remove.
3008         (constraint_expr_type): Add INCLUDES.
3009         (graph_size): Removed.
3010         (dump_constraint): Support INCLUDES.
3011         (build_constraint_graph): Ditto.
3012         (collapse_nodes): Add merge_solutions argument.
3013         Don't merge attributes.
3014         (process_unification_queue): Just use collapse_nodes.
3015         (perform_var_substitution): Update call to collapse_nodes.
3016         (get_constraint_exp_from_ssa_var): Use INCLUDES.
3017         (process_constraint): Fix non-field sensitive handling
3018         Handle includes.
3019         (get_constraint_for): Use INCLUDES.
3020         (make_constraint_from_anything): Renamed from
3021         make_constraint_from_escaped.
3022         (make_constraint_to_escaped): Removed.
3023         (find_global_initializers): Removed.
3024         (create_variable_info_for): Do not make constraints to escaped
3025         vars anymore.
3026         (dump_solution_for_var): Don't print out the equivalent points-to
3027         sets, just use the name of the variable it shares it with.
3028         (intra_create_variable_infos): Use INCLUDES.
3029         Change nonlocal variable sets to anything sets.
3030         (init_base_vars): Remove escaped_vars and nonlocal_var
3031         initialization.
3032         (find_escape_constraints): Removed.
3033         (delete_points_to_sets): Remove dead code.
3034         (used_smt_calculated): New variable.
3035         (set_used_smts): New function.
3036         (merge_smts_into): New function.
3037         (find_what_p_points_to): Modify to use SMTs.
3038         (create_nonlocal_var): Remove.
3040         * tree-ssa-operands.c (access_can_touch_variable): Remove
3041         reference to nonlocal_all.
3043         * tree-ssa.c (verify_name_tags): Remove.
3045 2006-12-04  Carlos O'Donell  <carlos@codesourcery.com>
3047         * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3048         (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3050 2006-12-04  Andrew MacLeod  <amacleod@redhat.com>
3052         * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3053         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3054         (add_livein_if_notdef): Delete.
3055         (loe_visit_block): New.  Propogate live on entry info for a block into
3056         each predecessor.  If it changes, make sure it is visited again.
3057         (live_worklist): Visit every block and update the live on entry info
3058         for preds.  Iterate over any that changed.
3059         (set_var_live_on_entry): Populate the live on entry blocks with bits
3060         based on the immediate uses of a var.
3061         (calculate_live_on_entry): Remove.
3062         (calculate_live_on_exit): Calculate live on exit based on the newly
3063         oriented live on entry bits.
3064         (calculate_live_ranges): Build live on entry and exit vectors.
3065         (dump_live_info): Use new orientation of live on entry bitmaps.
3066         (verify_live_on_entry): New.  Split out verification code from old
3067         calculate_live_on_entry routine.
3068         * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3069         (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3070         basic_block instead of for a partition.
3071         (live_merge_and_clear): Add asserts.
3072         (make_live_on_entry): Set partition bit in basic block vector.
3074 2006-12-04  Jakub Jelinek  <jakub@redhat.com>
3076         PR libgomp/29947
3077         * omp-low.c (expand_omp_for_static_nochunk,
3078         expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3079         unsigned type.
3081         PR middle-end/29965
3082         * omp-low.c (determine_parallel_type): Don't try to optimize combined
3083         parallels if region->exit or region->inner->exit is NULL.
3084         (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3085         built.
3086         (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3087         (expand_omp_for): Use expand_omp_for_generic if either region->cond
3088         or region->exit is NULL.
3089         (expand_omp_sections): Handle NULL region->cond or region->exit.
3090         (expand_omp_synch):
3092 2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3094         * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3095         * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3097 2006-12-04  Eric Botcazou  <ebotcazou@adacore.com>
3099         * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3100         TYPE_MAX_VALUE for scalar types here but...
3101         (walk_tree): ...there instead.  Return NULL_TREE if the TYPE_DECL
3102         is attached an error mark, and the return value of the callback
3103         if it is not NULL_TREE.
3105 2006-12-04  Ben Elliston  <bje@au.ibm.com>
3107         * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3109 2006-12-03  Eric Christopher  <echristo@apple.com>
3111         PR target/24598
3112         * config/t-slibgcc-darwin: Pass -install_name.
3113         * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3114         libtool. Only pass through options that the linker recognizes.
3115         (LINK_SPEC): Update comment. Translate options.
3116         (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3117         * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3119 2006-12-03  Dorit Nuzman  <dorit@il.ibm.com>
3121         * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3123 2006-12-03  Uros Bizjak  <ubizjak@gmail.com>
3125         PR target/30041
3126         * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3127         operands[1] in insn constraint.  Correct type attribute to sselog1.
3129 2006-12-02  H.J. Lu  <hongjiu.lu@intel.com>
3131         PR target/30040
3132         * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3133         (bit_SSSE3): New.
3134         (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3135         processor detection.
3137         * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3138         -march=native if there is no -mtune=*.
3140         * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3141         coretypes.h.
3143 2006-12-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3145         * doc/install.texi: Update recommended MPFR version.  Remove
3146         obsolete reference to cumulative patch.
3148 2006-12-02  Lee Millward  <lee.millward@codesourcery.com>
3150         PR c/27953
3151         * c-decl.c (store_parm_decls_oldstyle): Robustify.
3153 2006-11-30  Jan Hubicka  <jh@suse.cz>
3154             Uros Bizjak  <ubizjak@gmail.com>
3156         * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3157         32bit memcpy/memset decriptors.
3158         (decide_alg): With -minline-all-stringops and sizes that are best
3159         to be copied via libcall still work hard enough to pick non-libcall
3160         strategy.
3162 2006-12-02  Kazu Hirata  <kazu@codesourcery.com>
3164         * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3166         * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3167         config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3168         config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3169         config/sh/sh4-300.md, config/spu/spu-builtins.def,
3170         config/spu/spu-c.c, config/spu/spu-modes.def,
3171         config/spu/spu.c, config/spu/spu.md,
3172         config/spu/spu_internals.h, config/spu/vmx2spu.h,
3173         fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3174         tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3175         tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3176         tree-vectorizer.c, tree-vrp.c: Fix comment typos.  Follow
3177         spelling conventions.
3179         * config/i386/i386.c: Fix a comment typo.
3181 2006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3183         * config/spu/spu.c (spu_immediate): Remove trailing comma.
3184         (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3185         * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3186         better optimization.
3187         (floatv4siv4sf2): New.
3188         (fix_truncv4sfv4si2): New.
3189         (floatunsv4siv4sf2): New.
3190         (fixuns_truncv4sfv4si2): New.
3191         (addv16qi3): New.
3192         (subv16qi3): New.
3193         (negv16qi2): New.
3194         (mulv8hi3): New.
3195         (mulsi3): Remove.
3196         (mul<mode>3): New.
3197         (_mulv4si3): New.
3198         (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3199         * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3200         spu_resolve_overloaded_builtin instead of static inline functions.
3202 2006-12-01  Eric Botcazou  <ebotcazou@adacore.com>
3204         * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3205         type instead of the size of its mode to compute the highest and
3206         lowest possible values.  Still check the size of the mode before
3207         flipping the signedness of the comparison.
3209 2006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3211         * config/spu/predicates.md (spu_mov_operand): Add.
3212         * config/spu/spu.c (spu_expand_extv): Remove unused code.
3213         (print_operand_address, print_operand): Handle addresses containing AND.
3214         (spu_split_load, spu_split_store): Use updated movti pattern.
3215         * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3216         stores in mov patterns for correct operation of reload.
3217         (lq, lq_<mode>, stq, stq_<mode>): Remove.
3219 2006-12-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3221         PR c++/30021
3222         * c-common.c (check_main_parameter_types): Check for error_mark_node.
3224 2006-12-01  Andrew MacLeod  <amacleod@redhat.com>
3226         * common.opt (ftree-combine-temps): Remove.
3227         * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3228         (coalesce_ssa_name): Don't check for combine-temps.
3229         (coalesce_vars): Remove.
3230         (check_replaceable): Use num_imm_uses.
3231         (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3232         check for combine-temps.
3233         (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3234         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3235         to register_ssa_partition calls.
3236         * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3237         (init_var_map, delete_var_map): remove refernces to ref_count.
3238         (create_ssa_var_map): Never calculate a ref count.
3239         (type_var_init): Remove.
3240         * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3241         (SSA_VAR_MAP_REF_COUNT): Delete.
3242         (create_ssa_var_map): Change Prototype to have no parameters.
3243         (version_ref_count): Delete.
3244         (register_ssa_partition): Remove 'is_use' paramater and don't set the
3245         ref_count vector.
3246         (type_var_num, type_var, type_var_first_partition,
3247         type_var_next_partition, type_var_dump, type_var_delete,
3248         type_var_remove_partition, type_var_find, type_var_compact,
3249         type_var_decompact): Remove.
3251 2006-12-01  Bernd Schmidt  <bernd.schmidt@analog.com>
3253         * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3254         attribute.
3256 2006-12-01  Richard Guenther  <rguenther@suse.de>
3258         PR c++/29433
3259         * dwarf2out.c (struct pubname_struct): Make name const.
3260         (add_pubtype): Do not xstrdup identifiers.
3262 2006-12-01  Bernd Schmidt  <bernd.schmidt@analog.com>
3264         * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3265         multiword accesses are in range.
3267 2006-12-01  Zdenek Dvorak <dvorakz@suse.cz>
3269         PR tree-optimization/29921
3270         * tree-ssa-ccp.c (canonicalize_float_value): New function.
3271         (set_lattice_value): Use canonicalize_float_value.
3273 2006-11-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3275         * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3276         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3277         (spu_cpu_cpp_builtins): Remove.
3278         (spu_override_options): Don't set warn_main.
3279         (spu_force_reg): Move from spu-c.c.
3280         (spu_check_builtin_parm): Likewise.
3281         (expand_builtin_args): Likewise.
3282         (spu_expand_builtin_1): Likewise.
3283         (spu_expand_builtin): Likewise.
3284         * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3285         warn_main and targetm.resolve_overloaded_builtin.
3286         * config/spu/spu-c.c (spu_builtin_range): Remove.
3287         (spu_check_builtin_parm): Remove.
3288         (expand_builtin_args): Remove.
3289         (spu_expand_builtin_1): Remove.
3290         (spu_expand_builtin): Remove.
3291         (spu_cpu_cpp_builtins): Moved from spu.c
3292         (spu_force_reg): Remove.
3294 2006-12-01  Joseph Myers  <joseph@codesourcery.com>
3295             David Edelsohn  <edelsohn@gnu.org>
3297         PR target/24036
3298         * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3299         HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3300         * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3301         HARD_REGNO_NREGS_WITH_PADDING): Define.
3302         * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3303         HARD_REGNO_NREGS_WITH_PADDING): Define.
3304         * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3305         Use new macros to detect modes with holes; do not look at integer
3306         units.
3307         (subreg_offset_representable_p): Check for and disallow cases
3308         where the modes use different numbers of bits from registers.
3309         * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3310         constant for soft-float.
3311         (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3312         containing doubles.
3313         (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3314         in E500 double case.
3315         * config/rs6000/rs6000.md (movtf): Allow soft-float.
3316         (movtf_softfloat): New.
3318 2006-11-30  Richard Sandiford  <richard@codesourcery.com>
3320         * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3321         simplify_gen_subreg.
3323 2006-11-30  Andrew Macleod  <amacleod@redhat.com>
3325         * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3326         (COALESCE_HASH_FN): New.  Define hash function.
3327         (partition_pair_map_hash): New.  Hash value for a partition pair.
3328         (partition_pair_map_eq): New.  Equality for hash pairs.
3329         (create_coalesce_list): Create hash table.
3330         (delete_coalesce_list): Free hash table.
3331         (find_partition_pair): Find/create pairs in hash table.
3332         (compare_pairs):  Sort pairs in ascending order now.
3333         (num_coalesce_pairs): New.  Number of pairs in hash table.
3334         (struct partition_pair_iterator): Iterator struct for pair table.
3335         (first_partition_pair): Iterator function for first pair.
3336         (end_partition_pair_p): Iterator function for end of iteration.
3337         (next_partition_pair): Iterator function for next pair.
3338         (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3339         (sort_coalesce_list): Sort pairs from hash table into an array.
3340         (pop_best_coalesce): Take pairs from the array.
3341         (dump_coalesce_list): Update to use hash table or sorted array.
3342         * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3343         (struct coalesce_list_d): Add hash table related fields.
3345 2006-11-30  Jan Hubicka  <jh@suse.cz>
3347         PR middle-end/30028
3348         * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3349         memmove/bcopy->memcpy conversion.
3351 2006-11-30  Carlos O'Donell  <carlos@codesourcery.com>
3353         * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3354         * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3355         Default is the largest alignment supported for 32-bit ELF and
3356         representable on a 32-bit host.
3358 2006-11-30  Janis Johnson  <janis187@us.ibm.com>
3360         * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3362 2006-11-30  Jan Hubicka  <jh@suse.cz>
3364         * tree-ssa-operands.h (struct ssa_operands): New.
3365         * tree-flow-inline.h (gimple_ssa_operands): New function.
3366         * tree-flow.h: (struct gimple_df): Add ssa_operands.
3367         * Makefile.in: Remove gt-tree-ssa-operands.h
3368         * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3369         (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3370         operand_memory, operand_memory_index, ops_active): Remove statics.
3371         (ALLOC_OPTYPE): Update.
3372         (operand_build_sort_virtual): Update.
3373         (ssa_operands_active): Update.
3374         (init_ssa_operands): Update.
3375         (fini_ssa_operands): Update.
3376         (ssa_operand_alloc): Update.
3377         (INITIALIZE_USE): Update.
3378         (finalize_ssa_use_ops): Update.
3379         (finalize_ssa_v_may_def_ops): Update.
3380         (finalize_ssa_vuse_ops): Update.
3381         (finalize_ssa_v_must_def_ops): Update.
3383 2006-11-30  Richard Guenther  <rguenther@suse.de>
3385         * tree-vectorizer.h (vectorizable_function): Export.
3386         * tree-vect-transform.c (vectorizable_function): Likewise.
3387         * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3388         type_in to scalar type in recognition of squaring.
3389         Make sure the target can vectorize sqrt in recognition
3390         of sqrt, set type_in to vector type in this case.
3392 2006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3394         * config/i386/i386.md (R10_REG): New constant.
3395         * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3396         (ix86_emit_restore_regs_using_mov): Ditto.
3397         (ix86_expand_call): Ditto.
3398         (x86_output_mi_thunk): Ditto. Also use R10_REG.
3400 2006-11-30  Steven Bosscher  <steven@gcc.gnu.org>
3402         * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3403         * alias.c (canon_true_dependence): Update comment.
3405 2006-11-30  Steven Bosscher  <steven@gcc.gnu.org>
3407         * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3408         at the end of a diagnostics message.
3410         * alloc-pool.c (pool_free): Postpone clearing the pool entry
3411         until after asserting that it was allocated in the right pool.
3413         * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3414         successor edge information as well.  Make output of live regs
3415         on exit consistent with live regs on entry.
3417 2006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3419         PR target/29852
3420         * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3421         insn patterns for TARGET_80387.
3422         (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3423         (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3424         (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3425         (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3426         Generate truncxf<mode>2 insn patterns for strict SSE math.
3428 2006-11-30  Uros Bizjak  <ubizjak@gmail.com>
3430         * config/i386/i386.md (movsf_1): Enable pattern for standard
3431         80387 constants before reload when optimizing for size.
3432         (*movdf_nointeger, *movdf_integer): Ditto.
3433         (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3434         80387 constants before reload when not optimizing for size.
3436         (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3437         extension of XFmode input operands.
3439 2006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3441         * config/spu/crt0.c (__dso_handle): Define.
3443 2006-11-30  Kaz Kojima  <kkojima@gcc.gnu.org>
3445         * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3446         when clearing the used flags.
3448 2006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3450         * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3452 2006-11-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3454         PR target/29945
3455         * config/spu/spu.md  (extend_compare<mode>): New pattern.
3456         (extend_compare): Change to expand and use the above pattern.
3458 2006-11-29  Janis Johnson  <janis187@us.ibm.com>
3460         * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3462         * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3463         (DFP_INIT_ROUNDMODE): Define.
3464         * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3465         * mklibgcc.in: Fix dependencies for dfp-bit.c.
3467 2006-11-29  Tehila Meyzels  <tehila@il.ibm.com>
3469         * haifa-sched.c: Remove define LINE_NOTE(INSN).  Remove line_note_head.
3470         Update documentation.
3471         (associate_line_notes_with_blocks): Kill.
3472         (extend_bb): Remove basic block argument, put void instead.
3473         Remove line number handling for each bb.
3474         (save_line_notes): Kill.
3475         (restore_line_notes): Kill.
3476         (sched_init): Remove line_note_head initialization.
3477         Change extend_bb call.
3478         (sched_finish): Remove free of line_note_head.
3479         (add_block): Change extend_bb call.
3480         * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3481         rm_line_notes and restore_line_notes calls.
3482         (schedule_ebbs): Remove rm_redundant_line_notes.
3483         * sched-int.h (struct haifa_insn_data): Remove line_note.
3484         (save_line_notes): Remove declaration.
3485         (restore_line_notes): Remove declaration.
3486         * modulo-sched.c (loop_canon_p): Update debug info printing
3487         by using insn locators instead of line note.
3488         (sms_schedule): Update debug info printing, by using insn
3489         locators instead of line note.
3490         * sched-rgn.c (debug_dependencies): Remove handling of case
3491         n>0 (line number), since it's a dead code.
3492         (schedule_region): Remove save_line_notes and
3493         restore_line_notes calls.
3495 2006-11-29  Joseph Myers  <joseph@codesourcery.com>
3497         * config/rs6000/predicates.md (gpc_reg_operand): Check
3498         invalid_e500_subreg.
3499         * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3500         SImode subregs of SPE vectors.
3501         * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3502         * jump.c (true_regnum): Require subregs to satisfy
3503         subreg_offset_representable_p.
3505 2006-11-29  Daniel Berlin  <dberlin@dberlin.org>
3506             Steven Bosscher <stevenb.gcc@gmail.com>
3508         * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3509         since it no longer exists.
3511 2006-11-29  Duncan Sands  <baldrick@free.fr>
3513         PR tree-optimization/23744
3514         * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3516 2006-11-29  Duncan Sands  <baldrick@free.fr>
3518         PR tree-optimization/23744
3519         * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3521 2006-11-29  Duncan Sands  <baldrick@free.fr>
3523         PR tree-optimization/23744
3524         * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3526 2006-11-29  Jie Zhang  <jie.zhang@analog.com>
3528         * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3530 2006-11-29  J"orn Rennecke  <joern.rennecke@st.com>
3532         * sh.opt (minline-ic_invalidate): New option.
3533         (musermode): Adjust comment.
3534         * sh.c (sh_initialize_trampoline): Emit library call unless
3535         is set; if it is set, don't emit library call if we can use icbi
3536         instead.
3537         * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3538         icbi for TARGET_SH4_300.
3539         * t-sh (LIB1ASMFUNCS_CACHE): Set.
3540         * doc/invoke.texi: Document -minline-ic_invalidate; Update
3541         -musermode documentation.
3543 2006-11-29  Jim Tison  <jtison@us.ibm.com>
3545         * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3546         __gthread_recursive_mutex_init): Define.
3548 2006-11-29  Joseph Myers  <joseph@codesourcery.com>
3550         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3551         STRICT_ALIGNMENT and the type is more aligned than the saved
3552         registers, copy via a temporary.
3554 2006-11-28  Andrew Pinski  <pinskia@gmail.com>
3556         PR tree-opt/29984
3557         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3558         and MIN_EXRP.
3560 2006-11-28  Bob Wilson  <bob.wilson@acm.org>
3562         * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3564 2006-11-28  Jan Hubicka  <jh@suse.cz>
3566         Privatize SSA variables into gimple_df.
3567         * tree-flow-inline.h
3568         (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3569         gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3570         gimple_nonlocal_all): New accessors.
3571         (first_referenced_var): Update.
3572         (mark_stmt_modified): Update.
3573         (is_call_clobbered): Update.
3574         (mark_call_clobbered): Update.
3575         (clear_call_clobbered): Update.
3576         (mark_non_addressable): Update.
3577         * tree-vrp.c (get_value_range): Update.
3578         * tree-into-ssa.c (in_ssa_p): Kill.
3579         (get_default_def_for): Update.
3580         (rewrite_into_ssa): Update.
3581         * tree-complex.c (init_parameter_lattice_values): Update.
3582         (update_complex_assignment): Update.
3583         (update_parameter_components): Update.
3584         (expand_complex_libcall): Update.
3585         (expand_complex_operations_1): Update.
3586         * tree-tailcall.c (arg_needs_copy_p): Update.
3587         (add_virtual_phis): Update.
3588         (tree_optimize_tail_calls_1): Update.
3589         * tree-ssa-dse.c (memory_ssa_name_same): Update.
3590         * tree-ssa-copyrename.c
3591         (copy_rename_partition_coalesce): Update.
3592         * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3593         * tree-ssa-propagate.c (set_rhs): Update.
3594         * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3595         addressable_vars, global_var):Kill.
3596         (set_initial_properties): Update.
3597         (init_alias_info): Update.
3598         (finalize_ref_all_pointers): Update.
3599         (setup_pointers_and_addressables): Update.
3600         (maybe_create_global_var): Update.
3601         (create_global_var): Update.
3602         (dump_points_to_info): Update.
3603         * function.h (struct gimple_df): Forward declare.
3604         (struct function): Add GIMPLE_DF field.
3605         * gimplify.c (force_gimple_operand): Update.
3606         * tree-dfa.c (referenced_vars, default_defs): KIll.
3607         (make_rename_temp): Update.
3608         (dump_variable): Update.
3609         (referenced_var_lookup): Update.
3610         (referenced_var_check_and_insert): Update.
3611         (default_def): Rename to ...
3612         (gimple_default_def): ... this one; accept cfun argument.
3613         (set_default_def): Update.
3614         * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3615         (cleanup_control_flow): Update.
3616         * tree-ssa-pre.c (compute_avail): Update
3617         * tree-ssa-live.c (calculate_live_on_entry): Update.
3618         * tree-ssa.c (verify_use): Update.
3619         (verify_call_clobbering): Update.
3620         (verify_call_clobbering): Update.
3621         (init_tree_ssa): Update.
3622         (delete_tree_ssa): Update.
3623         * tree-outof-ssa.c (coalesce_ssa_name): Update.
3624         (rewrite_out_of_ssa): Update.
3625         * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3626         (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3627         private accessors.
3628         (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3629         ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3630         addressable_vars, aliases_computed_p): Kill.
3631         (default_def): Rename to...
3632         (gimple_default_def): ... this one.
3633         (defaule_def_fn): Kill.
3634         (num_referenced_vars, ssa_names, num_ssa_names): Update.
3635         * tree-ssa-structalias.c (nonlocal_all): Kill.
3636         (get_constraint_exp_from_ssa_var): Update.
3637         (create_nonlocal_var): Update.
3638         (get_constraint_for): Update.
3639         (update_alias_info): Update.
3640         (find_global_initializers): Update.
3641         (intra_create_variable_infos): Update.
3642         (intra_create_variable_infos):
3643         (find_what_p_points_to): Update.
3644         (init_alias_heapvars): Update.
3645         * tree-cfg.c (remove_bb): Update.
3646         (gimplify_val): Update.
3647         * tree-ssa-reassoc.c (get_rank): Update.
3648         (init_reassoc): Update.
3649         * tree-ssanames.c: Do not include gt-tree-ssanames.h
3650         (ssa_names, free_ssanames): Kill.
3651         (init_ssanames): Update.
3652         (make_ssa_name): Update.
3653         (release_ssa_name): Update.
3654         (release_defs): Update.
3655         (replace_ssa_name_symbol): Update.
3656         * tree-ssa-operands.c (access_can_touch_variable): Update.
3657         (add_virtual_operand): Update.
3658         (add_call_clobber_ops): Update.
3659         (add_call_read_ops): Update.
3660         (get_call_expr_operands): Update.
3661         (get_asm_expr_operands): Update.
3663 2006-11-28  Jan Hubicka  <jh@suse.cz>
3665         * builtins.c: Include tree-flow.h.
3666         (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3667         assignment; convert memmove to memcpy for sizes greater than 1 where
3668         alignment of operands prohibit the partial overlap.
3670 2006-11-28  Jan Hubicka  <jh@suse.cz>
3672         * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3673         * cgraph.c (dump_cgraph_node): Dump stack usage.
3674         * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3675         (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3676         * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3677         * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3678         (cgraph_check_inline_limits): Limit stack growth.
3679         * cfgexpand.c: Include tree-inline.h.
3680         (account_stack_vars): New function.
3681         (expand_one_var): New param to just account the stack; return estimated
3682         size.
3683         (expand_used_vars_for_block): Update call of expand_one_var.
3684         (account_used_vars_for_block): New function.
3685         (estimated_stack_frame_size): Likewise.
3686         (init_vars_expansion, fini_vars_expansion): Break out from..
3687         (expand_used_vars): ... here.
3688         * tree-inline.h (estimated_stack_frame_size): Declare.
3689         * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3691 2006-11-28  Richard Guenther  <rguenther@suse.de>
3693         * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3694         unsigned long for printing OBJECT_SIZE.
3696 2006-11-27  Steven Bosscher  <steven@gcc.gnu.org>
3698         * alias.c (init_alias_analysis): Remove simplification loop
3699         after propagating pointers.
3701 2006-11-27  Uros Bizjak  <ubizjak@gmail.com>
3703         * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3704         and m_GENERIC64.
3706 2006-11-27  Bob Wilson  <bob.wilson@acm.org>
3708         * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3710 2006-11-27  Roger Sayle  <roger@eyesopen.com>
3711             Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3713         * c-common.c (constant_fits_type_p): Delete.
3714         (unsigned_conversion_warning): Delete.
3715         (conversion_warning): Integrate Wconversion warning from
3716         unsigned_conversion_warning.
3717         (convert_and_check): Integrate Woverflow warning from
3718         unsigned_conversion_warning.  Reorganize and simplify to avoid
3719         dependence upon the middle-end setting TREE_OVERFLOW on integral
3720         conversions, by using int_fits_type_p directly.
3722 2006-11-27  Tobias Burnus  <burnus@net-b.de>
3724         * doc/invoke.texi: Fixed typo.
3726 2006-11-27  Michael Matz  <matz@suse.de>
3727             Andreas Krebbel  <krebbel1@de.ibm.com>
3729         PR target/29319
3730         * config/s390/predicates.md (larl_operand): Check addend of larl
3731         operand to be in range of -/+2GB.
3732         * config/s390/s390.c (legitimize_pic_address): Likewise.
3733         Changed type of variable even to HOST_WIDE_INT.
3735 2006-11-27  Jan Hubicka  <jh@suse.cz>
3737         * expr.c (emit_block_move_via_libcall): Export.
3738         (clear_storage_via_libcall): Rename to ...
3739         (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3740         (clear_storage): Update to set_storage_via_libcall.
3741         * expr.h (emit_block_move_via_libcall): Declare
3742         * config/i386/i386.h (stringop_alg): New enum.
3743         (MAX_STRINGOP_ALGS): New constant.
3744         (stringop_algs): New struct.
3745         (processor_costs): Add memcpy/memset descriptors.
3746         (TARGET_REP_MOVEL_OPTIMAL): Remove.
3747         * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3748         (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3749         for memset.
3750         * config/i386/i386.opt (minline-stringops-dynamically,
3751         mstringop-strategy): New
3752         parameters.
3753         * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3754         (ix86_expand-clrmem): Rename to ...
3755         (ix86_expand_setmem): ... this one; update prototype.
3756         * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3757         (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3758         geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3759         nocona_cost, core2_cost, generic_cost, generic64_cost,
3760         generic32_cost): Add memcpy/memset descriptors.
3761         (x86_rep_movl_optimal): Remove.
3762         (stringop_alg): New static variable.
3763         (ix86_expand_aligntest): Handle predictions.
3764         (override_options): Add strgop_alg handling.
3765         (predict_jump): New function.
3766         (scale_counter): New function.
3767         (expand_set_or_movmem_via_loop): New function.
3768         (expand_movmem_via_rep_mov): New function.
3769         (expand_setmem_via_rep_stots): New function.
3770         (emit_strmov): New function.
3771         (expand_movmem_epilogue): New function.
3772         (expand_setmem_epilogue_via_loop): New function.
3773         (expand_setmem_epilogue): New function.
3774         (expand_movmem_prologue): New function.
3775         (expand_setmem_prologue): New function.
3776         (decide_alg): New function.
3777         (decide_alignment): New function.
3778         (ix86_exand_movmem): Rewrite.
3779         (promote_duplicated_reg): New function.
3780         (ix86_expand_clrmem): Rename to ...
3781         (ix86_expand_setmem): ... this one. Rewrite.
3783         * invoke.texi (minline-stringops-dynamically): New command line option.
3784         (mstringop-strategy): Likewise.
3786 2006-11-27  Jan Hubicka  <jh@suse.cz>
3788         * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3789         * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3790         * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3791         * insn-notes.def (FUNCTION_END): Remove.
3792         * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3793         (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3794         note.
3795         * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3796         * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3797         * cfglayout.c (duplicate_insn_chain): Don't worry about
3798         NOTE_FUNCTION_END.
3800 2006-11-27  Richard Guenther  <rguenther@suse.de>
3801             Zdenek Dvorak <dvorakz@suse.cz>
3803         * target.h (struct gcc_target): Add builtin_vectorized_function
3804         target hook.
3805         * target-def.h (TARGET_VECTORIZE): Likewise.
3806         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3807         Document new target hook.
3808         * targhooks.h (default_builtin_vectorized_function): Declare.
3809         * targhooks.c (default_builtin_vectorized_function): Define.
3810         * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3811         (vectorizable_call): Declare.
3812         * tree-vect-analyze.c (vect_analyze_operations): Call
3813         vectorizable_call.
3814         * tree-vect-transform.c (vectorizable_function): New static function.
3815         (build_vectorized_function_call): Likewise.
3816         (vectorizable_call): New function.
3817         (vect_transform_stmt): Handle vectorizable calls.
3819 2006-11-27  Richard Guenther  <rguenther@suse.de>
3821         PR middle-end/25620
3822         * builtins.c (expand_builtin_pow): Optimize non integer valued
3823         constant exponents using sqrt or cbrt if possible.  Always fall back
3824         to expanding via optabs.
3826 2006-11-27  Ira Rosen  <irar@il.ibm.com>
3828         PR tree-optimization/22372
3829         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3830         the type of the base address.
3831         (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3832         it in the data-ref pointer creation.
3833         (vect_init_vector): Add an argument, type of the init vector. Use it in
3834         the stmt creation.
3835         (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3836         (get_initial_def_for_reduction): Likewise.
3837         (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3838         void_type_node.
3839         (vectorizable_assignment, vect_permute_store_chain): Likewise.
3840         (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3841         correct type in stmt creation.
3842         (vect_setup_realignment): Use the correct type in stmt creation.
3843         (vect_permute_load_chain): Change type of MODIFY_EXPR to
3844         void_type_node.
3845         (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3846         of MODIFY_EXPR to void_type_node.
3847         (vectorizable_condition): Change type of MODIFY_EXPR to
3848         void_type_node.
3849         (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3850         creation.
3852 2006-11-27  Uros Bizjak  <ubizjak@gmail.com>
3854         Revert:
3855         2006-05-08  Uros Bizjak  <uros@kss-loka.si>
3856         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3857         standard 80387 constants, raise the cost to prevent
3858         compress_float_constant() to generate load from memory.
3860         * config/i386/i386.md: Add new splitter pattern to split
3861         float_extended load of constant from constant pool into
3862         pure constant load.
3864 2006-11-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3866         * doc/install.texi: Move GMP/MPFR configure options from Fortran
3867         section to general section.  Remove documentation for
3868         --with-mpfr-dir and --with-gmp-dir, add documentation for
3869         --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3870         --with-gmp-lib.
3872         * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3874 2006-11-26  Razya Ladklesky  <razya@il.ibm.com>
3876         * testsuite/gcc.dg/ipa/ipa-6.c: New.
3878 2006-11-26  Razya Ladklesky  <razya@il.ibm.com>
3880         PR tree-optimization/29122
3881         * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3882         for the new version.  Assign NULL to DECL_RTL of the new version.
3884 2006-11-25  Uros Bizjak  <ubizjak@gmail.com>
3886         * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3888 2006-11-25  Steven Bosscher  <steven@gcc.gnu.org>
3890         * cse.c (cse_altered): Remove.
3891         (record_jump_equiv): Make true/false argument a bool instead
3892         of an int.
3893         (cse_insn): Don't set cse_altered.  Use delete_insn_and_edges
3894         where appropriate.  Emit a new jump before the existing one
3895         instead of after so that delete_insn_and_edges removes the
3896         dead edges properly.  Check any_condjump_p before calling
3897         record_jump_equiv.
3898         (cse_basic_block): Check any_condjump_p before calling
3899         record_jump_equiv.
3900         (cse_main): Don't set/check cse_altered.  Remove USE_C_ALLOCA.
3902 2006-11-25  Brooks Moses  <brooks.moses@codesourcery.com>
3904         * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3905         -ffixed-line-length-* options.
3907 2006-11-25  Uros Bizjak  <ubizjak@gmail.com>
3909         * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3910         (fprem1xf4): Rename to fprem1xf4_i387.
3912         (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3913         Rename patterns to fmod<mode>3.  Use general_operand operand
3914         constraint for operands 1 and 2.  Use SSE_FLOAT_MODE_P to disable
3915         patterns for SSE math.
3916         (remaindersf3, remainderdf3): Ditto.
3918 2006-11-25  Joseph Myers  <joseph@codesourcery.com>
3920         * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3921         inside start_sequence / end_sequence pair.
3923 2006-11-25  Steven Bosscher  <steven@gcc.gnu.org>
3925         * jump.c (mark_all_labels): Work in cfglayout mode.
3926         * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3927         when in cfglayout mode, because there are no dead jumptables
3928         visible.
3929         * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3930         in cfglayout mode.
3931         (commit_edge_insertions): Do not allow insertion of instructions
3932         with control flow insns when in cfglayout mode.
3934 2006-11-25  Zdenek Dvorak <dvorakz@suse.cz>
3936         * tree-vrp.c (execute_vrp): Do not pass loops structure through
3937         arguments.
3938         * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3939         unswitch_loop): Ditto.
3940         * tree-loop-linear.c (linear_transform_loops): Ditto.
3941         * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3942         tree_ssa_lim): Ditto.
3943         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3944         free_numbers_of_iterations_estimates): Ditto.
3945         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3946         tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3947         * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3948         remove_path, add_loop, loopify, unloop, fix_loop_placements,
3949         place_new_loop, duplicate_loop, duplicate_subloops,
3950         update_single_exit_for_duplicated_loops, copy_loops_to,
3951         duplicate_loop_to_header_edge, create_preheaders,
3952         force_single_succ_latches, loop_version, fix_loop_structure):
3953         Ditto.
3954         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3955         tree_unroll_loop): Ditto.
3956         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3957         * tree-scalar-evolution.c (select_loops_exit_conditions,
3958         scev_initialize, scev_analysis): Ditto.
3959         * tree-scalar-evolution.h (scev_initialize): Ditto.
3960         * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3961         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3962         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3963         * modulo-sched.c (sms_schedule): Ditto.
3964         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3965         * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3966         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3967         * ifcvt.c (if_convert): Ditto.
3968         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3969         canonicalize_loop_induction_variables,
3970         canonicalize_induction_variables,
3971         tree_unroll_loops_completely, remove_empty_loops): Ditto.
3972         * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3973         tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3974         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3975         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3976         tree_ssa_loop_done): Ditto.
3977         * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3978         estimate_bb_frequencies): Ditto.
3979         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3980         slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3981         * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3982         decide_unrolling_and_peeling, peel_loop_completely,
3983         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3984         peel_loop_simple, unroll_loop_stupid): Ditto.
3985         * loop-doloop.c (doloop_optimize_loops): Ditto.
3986         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3987         * loop-invariant.c (move_loop_invariants): Ditto.
3988         * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3989         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3990         tree_ssa_prefetch_arrays): Ditto.
3991         * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3992         Ditto.
3993         * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3994         vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3995         * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3996         mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3997         verify_loop_structure): Ditto.
3998         * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3999         canonicalize_induction_variables, tree_unroll_loops_completely,
4000         tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4001         estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4002         tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4003         tree_unroll_loop, linear_transform_loops): Declaration changed.
4004         * basic-block.h: Remove declaration of struct loops.
4005         * cfghooks.h (struct cfg_hooks): Change type of
4006         cfg_hook_duplicate_loop_to_header_edge.
4007         (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4008         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4009         vect_transform_loop): Declaration changed.
4010         * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4011         * cfgloop.h (flow_loops_dump, fix_loop_structure,
4012         mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4013         cancel_loop_tree, create_preheaders, force_single_succ_latches,
4014         verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4015         loopify, loop_version, remove_path, unswitch_loops,
4016         unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4017         Declaration changed.
4019 2006-11-24  Uros Bizjak  <ubizjak@gmail.com>
4021         * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4022         (X87MODEF): New mode macro.
4023         (ssemodefsuffix): New mode attribute.
4024         (truncxf<mode>2_i387_noop_unspec): New insn pattern.
4025         (sqrt_extend<mode>xf2_i387): New insn pattern.
4026         (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4027         insn and truncate result back to original mode using
4028         UNSPEC_TRUNC_NOOP truncation.
4029         (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4030         ssemodefsuffix mode attribute.
4031         (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4032         (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4033         (*sqrtextenddfxf2_i387): Remove insn patterns.
4035         (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4036         truncation patterns.
4038         * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4040 2006-11-24  Jakub Jelinek  <jakub@redhat.com>
4042         PR c/29955
4043         * c-tree.h (c_maybe_initialize_eh): New prototype.
4044         * c-decl.c (finish_decl): Move EH initialization...
4045         (c_maybe_initialize_eh): ... here.  New function.
4046         * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4047         if not #pragma omp atomic.
4049         PR c/29736
4050         * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4051         or UNION_TYPE inner types.
4053 2006-11-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4055         PR tree-opt/29964
4056         * ipa-pure-const.c (check_tree): If the original tree
4057         is volatile return early and say the function is not pure
4058         nor const.  Remove the volatile check for writes.
4059         (analyze_function): Print out the result of the local
4060         analysis pass.
4062 2006-11-24  Joseph Myers  <joseph@codesourcery.com>
4064         * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4065         MASK_STRICT_ALIGN.
4066         * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4067         * config/rs6000/rs6000.c (rs6000_override_options): Use
4068         MASK_STRICT_ALIGN for 8540 and 8548.  Add MASK_STRICT_ALIGN to
4069         POWERPC_MASKS.
4071 2006-11-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4073         * config/s390.c (s390_emit_compare_and_swap): New function.
4074         (s390_expand_cs_hqi, s390_expand_atomic): Call
4075         s390_emit_compare_and_swap.
4077 2006-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4079         * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4081 2006-11-24  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4083         PR c/2707
4084         PR c++/26167
4085         * c-common.c (conversion_warning): New.
4086         (convert_and_check): Call conversion_warning unless there is an
4087         overflow warning.
4088         * doc/invoke.texi (-Wconversion): Update description.
4090 2006-11-23  Daniel Berlin  <dberlin@dberlin.org>
4092         * tree-ssa-alias.c (tree_pointer_compare): New function.
4093         (compact_name_tags): New function.
4094         (group_aliases): Call compact_name_tags.
4096 2006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4098         * real.h (real_isinteger): Declare.
4099         * real.c (real_isinteger): Define.
4100         * builtins.c (integer_valued_real_p): Use it.
4102 2006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4104         PR c/9072
4105         * c.opt (Wtraditional-conversion): New.
4106         (Wconversion): Update description.
4107         * c-typeck.c (convert_arguments): Warnings for prototypes causing
4108         type conversions different from what would happen in the absence
4109         of prototype are now handled by Wtraditional-conversion.
4110         * doc/invoke.texi (Wtraditional-conversion): New.
4111         (Wconversion): Update description.
4112         * doc/trouble.texi (Wconversion): Replace Wconversion by
4113         Wtraditional-conversion.
4115 2006-11-23  Andrew Pinski  <pinskia@gmail.com>
4117         * predict.c (tree_estimate_probability): Check to make
4118         sure current_loops is non null before calling flow_loops_dump.
4120 2006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4122         * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4124 2006-11-23  David Ung  <davidu@mips.com>
4126         * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4127         combination.
4128         (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4129         (ASM_SPEC): Pass along -mfp32 and -mfp64.
4130         * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4131         high part of FP register when in 64-bit FP register mode.  Similarly
4132         use gen_mfhc1 to load high part of FP register.
4133         (override_options): Allow -mgp32 and -mfp64 combination if
4134         ISA_HAS_MXHC1 (currently for O32 only).
4135         (mips_cannot_change_mode_class): If floating-point registers are
4136         bigger than word size. disallow conversion of float register from a
4137         large integer mode to a float mode smaller than the float register
4138         size.
4139         (mips_class_max_nregs): Handle float registers case seperately.
4140         * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4141         UNSPEC_MTHC1.
4142         (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4143         (movdf_hardfloat_32bit): Similarly.
4144         (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4145         support a full 64-bit fpu.
4146         (mthc1): New pattern to generate MTHC1 instruction.
4147         (mfhc1): New pattern to generate MFHC1 instruction.
4148         * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4149         option for the MIPS32R2 and mention its use under O32 ABI.
4151 2006-11-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4153         * var-tracking.c (emit_note_insn_var_location): Take care not to
4154         cause verify_flow_info failures.
4156 2006-11-22  Daniel Berlin  <dberlin@dberlin.org>
4158         * tree-ssa-structalias.c: Remove edge weights in favor of just
4159         processing them as complex constraints.
4160         (struct constraint_graph): Remove weighted succs and preds. Rename
4161         nonweighted succs and preds.
4162         (constraint_edge): Removed.
4163         (constraint_edge_t): Ditto.
4164         (constraint_edge_pool): Ditto.
4165         (new_constraint_edge): Ditto.
4166         (constraint_edge_equal): Ditto.
4167         (constraint_edge_less): Ditto.
4168         (constraint_edge_vec_find): Ditto.
4169         (erase_self_graph_edge): Ditto.
4170         (add_graph_edge): Removed.
4171         (get_graph_weights): Ditto.
4172         (allocate_graph_weights): Ditto.
4173         (valid_weighted_graph_edge): Ditto
4174         (bitmap_other_than_zero_bit_set): Ditto.
4175         (int_add_graph_edge): Renamed to add_graph_edge.
4176         (clear_edges_for_node): Remove support for weighted edges.
4177         (merge_graph_nodes): Ditto.
4178         (valid_graph_edge): Ditto.
4179         (build_constraint_graph): Ditto.
4180         (scc_visit): Ditto.
4181         (collapse_nodes): Ditto.
4182         (process_unification_queue): Ditto.
4183         (topo_visit): Ditto.
4184         (do_ds_constraint): Ditto.
4185         (perform_var_subsitution): Ditto.
4186         (solve_graph): Ditto.
4187         (init_alias_vars): Ditto.
4188         (delete_points_to_sets): Ditto.
4189         (do_complex_constraint): Support offsetted copies here.
4191 2006-11-23  Ulrich Weigand  <uweigand@de.ibm.com>
4193         * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4194         SPU_RdEventMask.
4195         * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4197         * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4198         of size bitfield.
4200 2006-11-23  Ben Elliston  <bje@au.ibm.com>
4202         * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4204 2006-11-23  Zdenek Dvorak <dvorakz@suse.cz>
4206         PR tree-optimization/29921
4207         * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4208         signed and unsigned zero equal.
4210 2006-11-22  Peter Bergner  <bergner@vnet.ibm.com>
4212         * config/rs6000/rs6000.c (get_store_dest): New.
4213         (adjacent_mem_locations): Use get_store_dest() to get
4214         the rtl of the store destination.
4216 2006-11-22  Joseph Myers  <joseph@codesourcery.com>
4218         * config/rs6000/spe.md (SPE64): New mode macro.
4219         (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0.  Add
4220         memory load.
4221         (mov_si<mode>_e500_subreg0_2): New.
4222         (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4.  Add
4223         memory load.
4224         (mov_si<mode>_e500_subreg4_2): New.
4225         * config/rs6000/predicates.md (input_operand): Do not allow
4226         invalid E500 subregs.
4227         (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4228         if TARGET_SPE.
4229         * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4230         involving DFmode if TARGET_E500_DOUBLE.  Check for subregs
4231         involving vector modes if TARGET_SPE.
4233 2006-11-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4235         Revert
4236         2006-11-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4237         * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4239 2006-11-22  Bernd Schmidt  <bernd.schmidt@analog.com>
4241         * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4242         mem_i_address_operand): New predicates.
4243         * config/bfin/bfin.c (bfin_issue_rate): New function.
4244         (TARGET_SCHED_ISSUE_RATE): New macro.
4245         * config/bfin/bfin.md (addrtype): New attribute.
4246         (slot0, slot1, slot2, store, pregs): New cpu_units.
4247         (core): Now a define_reservation.
4248         (alu): Remove some insn types from this reservation.
4249         (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4250         insn reservations.
4251         (dummy reservation): Don't trigger for mcld insns.
4252         (absence_sets): Two new absence sets to enforce slot ordering.
4253         (popsi_insn): Set addrtype.
4255 2006-11-22  Ira Rosen  <irar@il.ibm.com>
4257         * doc/c-tree.texi: Document new tree codes.
4258         * doc/md.texi: Document new optabs.
4259         * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4260         codes.
4261         * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4262         * optabs.h (optab_index): Add new.
4263         (vec_extract_even_optab, vec_extract_odd_optab,
4264         vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4265         * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4266         vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4267         new optabs.
4268         * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4269         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4270         * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4271         along with macros for their access.
4272         * tree-data-ref.h (first_location_in_loop, data_reference): Update
4273         comment.
4274         * tree-vect-analyze.c (toplev.h): Include.
4275         (vect_determine_vectorization_factor): Fix indentation.
4276         (vect_insert_into_interleaving_chain,
4277         vect_update_interleaving_chain, vect_equal_offsets): New functions.
4278         (vect_analyze_data_ref_dependence): Add argument for interleaving
4279         check. Check for interleaving if it's true.
4280         (vect_check_dependences): New function.
4281         (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4282         every ddr. Call vect_analyze_data_ref_dependence with new argument.
4283         (vect_update_misalignment_for_peel): Update for interleaving.
4284         (vect_verify_datarefs_alignment): Check only first data-ref for
4285         interleaving.
4286         (vect_enhance_data_refs_alignment): Update for interleaving. Check
4287         only first data-ref for interleaving.
4288         (vect_analyze_data_ref_access): Check interleaving, update
4289         interleaving data.
4290         (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4291         with different parameters.
4292         * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4293         VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4294         * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4295         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4296         Update step in case of interleaving.
4297         (vect_strided_store_supported, vect_permute_store_chain): New
4298         functions.
4299         (vectorizable_store): Handle strided stores.
4300         (vect_strided_load_supported, vect_permute_load_chain,
4301         vect_transform_strided_load): New functions.
4302         (vectorizable_load): Handle strided loads.
4303         (vect_transform_stmt): Add argument. Handle strided stores. Check
4304         that vectorized stmt exists for patterns.
4305         (vect_gen_niters_for_prolog_loop): Update calculation for
4306         interleaving.
4307         (vect_transform_loop): Remove stmt_vec_info for strided stores after
4308         whole chain vectorization.
4309         * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4310         UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4311         (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4312         vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4313         vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4315 2006-11-22  Steven Bosscher  <steven@gcc.gnu.org>
4317         * cse.c (enum taken): Remove PATH_AROUND.
4318         (addr_affects_sp_p, invalidate_skipped_set,
4319         invalidate_skipped_block): Remove.
4320         (cse_end_of_basic_block): Remove skip_blocks and related code.
4321         (cse_main): Don't test for flag_cse_skip_blocks.
4322         Update cse_end_of_basic_block call.
4323         (cse_basic_block): Likewise.  Remove PATH_AROUND case.  Remove
4324         code to lengthen the path if a jump was simplified.
4326 2006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4328         PR rtl-optimization/29924
4329         * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4330         (unroll_loop_runtime_iterations): Assert that the argument passed to
4331         split_edge_and_insert is not NULL.
4332         * loop-doloop.c (add_test): Ditto.
4334 2006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4336         * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4337         functions.
4338         * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4339         * cfgloopmanip.c (update_single_exits_after_duplication,
4340         update_single_exit_for_duplicated_loop, loop_version): Ditto.
4341         * tree-scalar-evolution.c (get_loop_exit_condition,
4342         get_exit_conditions_rec, loop_closed_phi_def,
4343         number_of_iterations_in_loop, scev_const_prop): Ditto.
4344         * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4345         * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4346         Ditto.
4347         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4348         Ditto.
4349         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4350         slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4351         slpeel_make_loop_iterate_ntimes,
4352         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4353         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4354         Ditto.
4355         * tree-if-conv.c (if_convertible_loop_p): Ditto.
4356         * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4357         vect_analyze_loop_form): Ditto.
4358         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4359         can_convert_to_perfect_nest, perfect_nestify): Ditto.
4360         * tree-vect-transform.c (vect_create_epilog_for_reduction,
4361         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4362         vect_transform_loop): Ditto.
4363         * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4364         (single_exit, set_single_exit): New functions.
4365         * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4366         (single_exit, set_single_exit): Declare.
4367         * doc/loop.texi: Undocument single_exit field.  Document single_exit
4368         accessor function.
4370 2006-11-22  Zdenek Dvorak <dvorakz@suse.cz>
4372         PR tree-optimization/29902
4373         * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4374         any involved ssa name appears in abnormal phi node.
4376 2006-11-21  Bob Wilson  <bob.wilson@acm.org>
4378         * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4379         (xtensa_const_ok_for_letter_p): Delete.
4380         (xtensa_extra_constraint): Delete.
4381         (override_options): Delete xtensa_char_to_class initialization.
4382         * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4383         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4384         (EXTRA_CONSTRAINT): Delete.
4385         * config/xtensa/xtensa.md: Include constraints.md.
4386         (call_internal): Combine alternatives.
4387         (call_value_internal): Likewise, and remove invalid constraints.
4388         * config/xtensa/constraints.md: New file.
4389         * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4390         (xtensa_extra_constraint): Delete.
4391         * doc/md.texi (Machine Constraints): Refer to constraints.md for
4392         Xtensa constraints.
4394 2006-11-21  Janis Johnson  <janis187@us.ibm.com>
4396         * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4397         of conversion that doesn't fit.
4399         * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4400         * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4401         DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4403         * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4405 2006-11-21  Douglas Gregor <doug.gregor@gmail.com>
4407         * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4409 2006-11-21  Richard Guenther  <rguenther@suse.de>
4411         * tree-vectorizer.h (NUM_PATTERNS): Increase.
4412         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4413         vect_recog_pow_pattern.
4414         (vect_recog_pow_pattern): New function.
4416 2006-11-21  Bernd Schmidt  <bernd.schmidt@analog.com>
4418         * config/bfin/bfin.opt (mstack-check-l1): New.
4419         * doc/invoke.texi (Blackfin Options): Document it.
4420         * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4421         stack bounds in L1 memory if the new option is enabled.
4422         (override_options): Don't allow combinations of -fstack-limit and
4423         -mstack-check-l1.
4424         (add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
4425         dead code.
4427         * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4428         regs for DImode.
4429         (bfin_register_move_cost): Bump costs if trying to move plain
4430         integer values through accumulators.
4432 2006-11-21  Ben Elliston  <bje@au.ibm.com>
4434         * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4436 2006-11-20  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4437             Russell Olsen <Russell_Olsen@playstation.sony.com>
4438             Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4439             Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4440             Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4441             Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4442             Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4444         * config.gcc: Add target for SPU.
4445         * config/spu/constraints.md: New file.
4446         * config/spu/crt0.c: New file.
4447         * config/spu/crtend.c: New file.
4448         * config/spu/crti.asm: New file.
4449         * config/spu/crtn.asm: New file.
4450         * config/spu/float_unsdidf.c: New file.
4451         * config/spu/float_unssidf.c: New file.
4452         * config/spu/predicates.md: New file.
4453         * config/spu/spu-builtins.def: New file.
4454         * config/spu/spu-builtins.h: New file.
4455         * config/spu/spu-builtins.md: New file.
4456         * config/spu/spu-c.c: New file.
4457         * config/spu/spu-elf.h: New file.
4458         * config/spu/spu-modes.def: New file.
4459         * config/spu/spu-protos.h: New file.
4460         * config/spu/spu.c: New file.
4461         * config/spu/spu.h: New file.
4462         * config/spu/spu.md: New file.
4463         * config/spu/spu.opt: New file.
4464         * config/spu/spu_internals.h: New file.
4465         * config/spu/spu_intrinsics.h: New file.
4466         * config/spu/spu_mfcio.h: New file.
4467         * config/spu/t-spu-elf: New file.
4468         * config/spu/vec_types.h: New file.
4469         * config/spu/vmx2spu.h: New file.
4470         * doc/contrib.texi: Document SPU contributor.
4471         * doc/extend.texi: Document SPU extensions.
4472         * doc/invoke.texi: Document SPU options.
4473         * doc/md.texi: Document SPU constraints.
4475 2006-11-21  Zdenek Dvorak <dvorakz@suse.cz>
4477         * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4478         of the loop.
4479         * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4480         Removed.
4481         (flow_loop_dump): Do not dump loop level.
4482         (flow_loops_find): Do not call flow_loops_level_compute.
4483         * cfgloop.h (struct loop): Remove level field.
4485 2006-11-21  Zdenek Dvorak <dvorakz@suse.cz>
4487         * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4488         hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4489         Use vector of edges instead of array.
4490         * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4491         estimate_numbers_of_iterations_loop): Ditto.
4492         * predict.c (predict_loops): Ditto.
4493         * loop-unroll.c (analyze_insns_in_loop): Ditto.
4494         * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4495         edge vectors.
4496         * basic-block.h: Declare heap allocation for edge vectors.
4497         * tree-outof-ssa.c: Ditto.
4498         * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4499         * cfgloop.h (get_loop_exit_edges): Declaration changed.
4501 2006-11-20  Zack Weinberg  <zackw@panix.com>
4503         * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4504         Add another out parameter, "skip".
4505         (set_gc_used_type): Adjust calls to process_gc_options.  If a field
4506         is tagged "skip", do not mark its type used.
4508 2006-11-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4510         PR tree-opt/25500
4511         * tree-sra.c (single_scalar_field_in_record_p): New function.
4512         (decide_block_copy): Use it.
4514 2006-11-20  David Daney  <ddaney@avtrex.com>
4516         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4517         PC to point to following instruction.
4519 2006-11-20  Anatoly Sokolov <aesok@post.ru>
4521         PR target/18553
4522         PR target/29449
4523         * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4525         * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4527 2006-11-20  J"orn Rennecke  <joern.rennecke@st.com>
4529         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4530         Add sh/superh.h to tm_file.
4532 2006-11-20  Carlos O'Donell  <carlos@codesourcery.com>
4533             Mark Mitchell  <mark@codesourcery.com>
4535         * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4536         gcc_exec_prefix.
4537         (cpp_relocated): New function.
4538         * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4539         and cpp_relocated.
4540         * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4541         * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4542         replace configured prefix with gcc_exec_prefix.
4544 2006-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4546         * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4547         bfin_legitimate_constant_p.
4548         * config/bfin/bfin.md (movsi expander): Check return value of
4549         expand_mvoe.
4550         * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4551         (expand_move): Adjust prototype.
4552         * config/bfin/bfin.c (expand_move): Now returns bool.  Handle
4553         invalid constants specially.
4554         (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4555         functions.
4556         (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4558         * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4559         sibcall_value_symbol): Allow these patterns if
4560         TARGET_LEAF_ID_SHARED_LIBRARY.
4561         * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4562         (override_options): Turn on id shared library flags if -msep-data,
4563         but disallow the combination of these options on the command line.
4564         * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4565         MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4566         (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4567         -mid-shared-library.
4568         (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4569         * doc/invoke.texi (Blackfin Options): Document new switches.
4571         * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4572         edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4574         * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4575         inflate costs for addresses with an out-of-bounds address.
4577 2006-11-19  Andrew Pinski  <pinskia@gmail.com>
4579         PR rtl-opt/29879
4580         * fwprop.c (loops): Remove.
4581         (forward_propagate_into): Use current_loops instead of
4582         loops.
4583         (fwprop_init): Call loop_optimizer_init instead of
4584         flow_loops_find.
4585         (fwprop_done): Call loop_optimizer_finalize instead of
4586         flow_loops_free.
4587         (fwprop): Use current_loops instead of loops.
4589 2006-11-19  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4591         PR c++/8586
4592         * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4594 2006-11-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4596         PR target/29114
4597         * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4598         larger than BITS_PER_WORD.
4600 2006-11-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4602         PR fortran/27885
4603         PR middle-end/28176
4604         * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4605         to MAX_FIXED_MODE_SIZE.
4607 2006-11-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4609         * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4610         (fold_builtin_fmin_fmax): New.
4611         (fold_builtin_1): Use it.
4613         * fold-const.c (fold_strip_sign_ops): Handle copysign.
4615 2006-11-18  Richard Guenther  <rguenther@suse.de>
4617         * config/i386/i386.c (ix86_builtins): New array for ix86
4618         builtin function decls.
4619         (def_builtin): New function.
4620         (def_builtin_const): Likewise.
4621         (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4623 2006-11-18  Vladimir Makarov  <vmakarov@redhat.com>
4625         * doc/invoke.texi (core2): Add item.
4627         * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4628         macros.
4629         (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4630         (TARGET_CPU_DEFAULT_generic): Change value.
4631         (TARGET_CPU_DEFAULT_NAMES): Add core2.
4632         (processor_type): Add new constant PROCESSOR_CORE2.
4634         * config/i386/i386.md (cpu): Add core2.
4636         * config/i386/i386.c (core2_cost): New initialized variable.
4637         (m_CORE2): New macro.
4638         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4639         x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4640         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4641         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4642         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4643         x86_accumulate_outgoing_args, x86_prologue_using_move,
4644         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4645         x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4646         x86_use_incdec, x86_four_jump_limit, x86_schedule,
4647         x86_pad_returns): Add m_CORE2.
4648         (override_options): Add entries for Core2.
4649         (ix86_issue_rate): Add case for Core2.
4651 2006-11-18  Aldy Hernandez  <aldyh@redhat.com>
4653         * doc/invoke.texi: Fix mno-isel typo.
4655 2006-11-18  Joseph Myers  <joseph@codesourcery.com>
4657         * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4658         easy vector constant loads.
4660 2006-11-18  Joseph Myers  <joseph@codesourcery.com>
4662         * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4663         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4664         __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4665         * config/rs6000/sync.md (lwsync): Emit plain sync if
4666         TARGET_NO_LWSYNC.
4668 2006-11-17  DJ Delorie  <dj@redhat.com>
4670         * reload1.c (reloads_unique_chain): New.
4671         (reloads_conflict): Call it.
4673 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4675         * config/xtensa/predicates.md (addsubx_operand): New.
4676         * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4677         (xtensa_emit_bit_branch): New.
4678         (xtensa_emit_movcc): New.
4679         * config/xtensa/xtensa.md (any_minmax): New code macro.
4680         (minmax): New code attribute.
4681         (any_cond, any_scc, any_scc_sf): New code macros.
4682         (*addx2, *addx4, *addx8): Delete.
4683         (*addx): New.
4684         (*subx2, *subx4, *subx8): Delete.
4685         (*subx): New.
4686         (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4687         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4688         (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4689         (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4690         (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4691         (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4692         (movsfcc_internal0, movsfcc_internal1): Likewise.
4693         (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4694         * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4695         (xtensa_emit_bit_branch): New.
4696         (xtensa_emit_movcc): New.
4697         (function_arg_boundary): Add missing prototype.
4699 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4701         * config/xtensa/xtensa.md (tstsi): Delete
4703 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4705         * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4707 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4709         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4711 2006-11-17  Bob Wilson  <bob.wilson@acm.org>
4713         * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4715 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
4717         * tree-vrp.c (execute_vrp): Do not update current_loops.
4718         * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4719         * doc/loop.texi: Remove documentation for cancelled functions.
4720         * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4721         (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4722         instead.
4723         * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4724         (remove_path): Ensure that in delete_basic_blocks, the loops
4725         are still allocated.
4726         (add_loop): Work on valid loop structures.
4727         (loopify): Modify call of add_loop.
4728         (mfb_update_loops): Removed.
4729         (create_preheader): Do not update loops explicitly.
4730         (force_single_succ_latches, loop_version): Do not use
4731         loop_split_edge_with.
4732         (loop_split_edge_with): Removed.
4733         * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4734         Do not use bsi_insert_on_edge_immediate_loop.
4735         (split_loop_exit_edge, tree_unroll_loop): Do not use
4736         loop_split_edge_with.
4737         (bsi_insert_on_edge_immediate_loop): Removed.
4738         * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops.  Do not
4739         use loop_split_edge_with.
4740         * cfghooks.c: Include cfgloop.h.
4741         (verify_flow_info): Verify that loop_father is filled iff current_loops
4742         are available.
4743         (redirect_edge_and_branch_force, split_block, delete_basic_block,
4744         split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4745         Update cfg.
4746         * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4747         no loops.
4748         * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4749         loop_split_edge_with.
4750         (sms_schedule): Use current_loops.
4751         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4752         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4753         current_loops.
4754         (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4755         * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4756         * ifcvt.c (if_convert): Ditto.
4757         * predict.c (predict_loops): Do not clear current_loops.
4758         (tree_estimate_probability): Use current_loops.
4759         (propagate_freq): Receive head of the region to propagate instead of
4760         loop.
4761         (estimate_loops_at_level): Do not use shared to_visit bitmap.
4762         (estimate_loops): New function.  Handle case current_loops == NULL.
4763         (estimate_bb_frequencies): Do not allocate tovisit.  Use
4764         estimate_loops.
4765         * tree-ssa-loop.c (current_loops): Removed.
4766         (tree_loop_optimizer_init): Do not return loops.
4767         (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4768         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4769         slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4770         Do not update loops explicitly.
4771         * function.h (struct function): Add x_current_loops field.
4772         (current_loops): New macro.
4773         * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4774         * loop-unroll.c (split_edge_and_insert): New function.
4775         (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4776         use loop_split_edge_with.
4777         * loop-doloop.c (add_test, doloop_modify): Ditto.
4778         * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4779         * cfglayout.c (copy_bbs): Do not update loops explicitly.
4780         * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4781         * tree-vect-transform.c (vect_transform_loop): Do not update loops
4782         explicitly.
4783         * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4784         (flow_loops_free): Do not free dfs_order and rc_order.
4785         (flow_loops_find): Do not set dfs_order and rc_order in loops
4786         structure.  Do not call loops and flow info verification.
4787         (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4788         already belongs to some loop.
4789         * cfgloop.h (struct loops): Remove struct cfg.
4790         (current_loops, loop_split_edge_with): Declaration removed.
4791         (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4792         * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4793         Declaration removed.
4794         * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4795         * basic-block.h (split_edge_and_insert): Declare.
4796         * tree-cfg.c (remove_bb): Do not update loops explicitly.
4798 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
4800         PR tree-optimization/29801
4801         * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4802         (get_default_value): Use get_symbol_constant_value.
4803         (set_lattice_value): ICE when the value of the constant is
4804         changed.
4805         (visit_assignment): Ignore VDEFs of read-only variables.
4807 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
4809         * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4810         formating.
4811         (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4812         vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4814 2006-11-17  Zdenek Dvorak <dvorakz@suse.cz>
4816         * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4817         select subvars of var.
4819 2006-11-17  Jakub Jelinek  <jakub@redhat.com>
4821         PR middle-end/29584
4822         * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4823         optimize if DEF doesn't have integral type.
4825 2006-11-16  Mike Stump  <mrs@apple.com>
4827         * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4828         pre-darwin9 system, unless the user asks for it directly.
4829         (PREFERRED_DEBUGGING_TYPE): Likewise.
4830         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4831         * config.gcc: Add suppport for darwin9.h.
4832         * config/darwin9.h: Add.
4833         * doc/install.texi (Specific): Clarify darwin documentation.
4835 2006-11-16  Richard Earnshaw  <rearnsha@arm.com>
4837         * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4838         optimizing for size.
4840 2006-11-16  Mike Stump  <mrs@apple.com>
4842         * Makefile.in (targhooks.o): Add $(OPTABS_H).
4844 2006-11-16  Dirk Mueller  <dmueller@suse.de>
4846         * tree-vrp.c (get_value_range): Use XCNEW instead
4847         of XNEW and memset.
4848         (insert_range_assertions): Use XCNEWVEC instead
4849         of XNEWVEC and memset.
4850         (vrp_initialize): Same.
4851         (vrp_finalize): Same.
4852         * tree-ssa-ccp.c (ccp_initialize): Same.
4853         * predict.c (tree_bb_level_predictions): Same.
4854         * calls.c (expand_call): Same.
4855         * tree-ssa-copy.c (init_copy_prop): Same.
4856         (fini_copy_prop): Same.
4857         * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4858         of GGC_NEW and memset.
4860 2006-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4862         PR middle-end/26306
4863         * gimplify.c (gimplify_expr): Only force a load for references to
4864         non-BLKmode volatile values.
4865         * doc/implement-c.texi (Qualifiers implementation): Document the
4866         interpretation of what a volatile access is.
4867         * doc/extend.texi (C++ Extensions): Rework same documentation.
4869 2006-11-16  Joseph Myers  <joseph@codesourcery.com>
4871         * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4872         memory operand.
4874 2006-11-16  Richard Earnshaw  <rearnsha@arm.com>
4876         * arm.md (abssi2): Allow Thumb as well.  Use an SImode scratch for
4877         Thumb.
4878         (arm_neg_abssi2): Renamed from neg_abssi2.
4879         (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4881 2006-11-16  Uros Bizjak  <ubizjak@gmail.com>
4883         * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4884         number of arguments passed to local functions in SSE registers is 3.
4886         * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4887         number of arguments passed in SSE registers to 3.
4889 2006-11-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4891         PR target/29201
4892         * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4893         bb to ...
4894         (get_last_bb_insn): ... new global function.
4895         (basic_block.h): Declare it.
4896         * haifa-sched.c (create_recovery_block): Use it.
4898 2006-11-15  H.J. Lu  <hongjiu.lu@intel.com>
4900         PR middle-end/29862
4901         * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4903 2006-11-15  Paul Brook  <paul@codesourcery.com>
4905         * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4906         _Unwind_GetTextRelBase): Move from here ...
4907         * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4908         _Unwind_GetTextRelBase): ... To here.
4910 2006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
4912         * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4913         addresses we generate for testing are aligned.
4915 2006-11-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4917         PR tree-opt/29788
4918         * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4919         to what is the const decl is a place holder for.
4921 2006-11-15  Uros Bizjak  <ubizjak@gmail.com>
4923         * config/i386/i386.opt: New target option -mx87regparm.
4925         * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4926         and float_in_x87 variables. mmx_words, sse_words: Remove.
4927         (X87_REGPARM_MAX): Define.
4929         * config/i386/i386.c (override_options): Error out for
4930         -mx87regparm but no 80387 support.
4931         (ix86_attribute_table): Add x87regparm.
4932         (ix86_handle_cconv_attribute): Update comments for x87regparm.
4933         (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4934         (ix86_function_x87regparm): New function.
4935         (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4936         point registers.
4937         (init_cumulative_args): Initialize x87_nregs and float_in_x87
4938         variables.
4939         (function_arg_advance): Process x87_nregs and x87_regno when
4940         floating point argument is to be passed in 80387 register.
4941         (function_arg): Pass XFmode arguments in 80387 registers for local
4942         functions.  Pass SFmode and DFmode arguments to local functions
4943         in 80387 registers when flag_unsafe_math_optimizations is set.
4945         * reg-stack.c (convert_regs_entry): Disable NaN load for
4946         stack registers that are used for argument passing.
4948         * doc/extend.texi: Document x87regparm function attribute.
4949         * doc/invoke.texi: Document -mx87regparm.
4951 2006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
4953         * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4954         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4955         arg MODE; all callers changed.  Use it to determine validity per
4956         machine mode instead of using Pmode for all memory references.
4957         (get_address_cost): Likewise add and use new arg MEM_MODE.
4959 2006-11-15  Rask Ingemann Lambertsen <rask@sygehus.dk>
4960             J"orn Rennecke <joern.rennecke@st.com>
4962         * combine.c (likely_spilled_retval_1): Fix masking operation.
4963         (likely_spilled_retval_p): Use proper pattern for call to
4964         likely_spilled_retval_1.
4966 2006-11-15  Bernd Schmidt  <bernd.schmidt@analog.com>
4968         * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4970         * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4971         that tests for CONSTANT_POOL_ADDRESS_P.
4973 2006-11-15  Jakub Jelinek  <jakub@redhat.com>
4975         PR tree-optimization/29581
4976         * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4977         REPLACEMENTS, FIRSTBSI arguments.  If initial condition or
4978         type is different between Y and USE, create a temporary
4979         variable, initialize it at the beginning of the body bb
4980         and use it as replacement instead of Y.
4982 2006-11-15  Paolo Bonzini  <bonzini@gnu.org>
4984         PR middle-end/29753
4985         * gimplify.c (fold_indirect_ref_rhs): Use
4986         STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4988 2006-11-14  Richard Earnshaw  <rearnsha@arm.com>
4990         * expmed.c (emit_store_flag_1): New function.
4991         (emit_store_flag): Call it.  If we can't find a suitable scc insn,
4992         try a cstore insn.
4993         * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4994         Use do_compare_rtx_and_jump.
4995         * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4996         * arm.md (cstoresi4): New define_expand.
4997         (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4998         (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4999         (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5001 2006-11-14  Caroline Tice  <ctice@apple.com>
5003         * dwarf2out.c (debug_pubtypes_section): New static global variable.
5004         (pubname_entry):  Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5005         this type.
5006         (pubname_table):  Redefine as a vector.
5007         (pubtype_table):  New static global variable, defined as a vector.
5008         (pubname_table_allocated): Remove static global variable.
5009         (pubname_table_in_use): Remove static global variable.
5010         (PUBNAME_TABLE_INCREMENT): Remove constant.
5011         (size_of_pubnames): Add parameter to deal with either pubnames or
5012         pubtypes, and change code to deal with table being a vector.
5013         (add_pubname):  Change to deal with table being a vector.
5014         (add_pubtype):  New function.
5015         (output_pubnames): Add parameter to deal with either pubnames or
5016         pubtypes, and change code to deal with table being a vector.
5017         (gen_array_type_die):  Add call to add_pubtype.
5018         (gen_enumeration_type_die): Add call to add_pubtype.
5019         (gen_struct_or_union_type_die): Add call to add_pubtype.
5020         (gen_subroutine_type_die): Add call to add_pubtype.
5021         (gen_typedef_die):  Add call to add_pubtype.
5022         (dwarf2out_init): Add code to initialize pubname_table and
5023         pubtype_table vectors; also initialize debug_pubtypes_section.
5024         (prune_unused_types):  Change to deal with pubnames being a vector.
5025         (dwarf2out_finish): Change to deal with pubnames being a vector; add
5026         pubnames table to call to output_pubnames;  Add code to output pubtypes
5027         table if DEBUG_PUBTYPES_SECTION is defined.
5028         * config/darwin.c (darwin_file_start):  Add DEBUG_PUBTYPES_SECTION to
5029         debugnames.
5030         * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5032 2006-11-14  Joseph Myers  <joseph@codesourcery.com>
5034         * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5035         iwmmxt_nregs if TARGET_IWMMXT_ABI.
5036         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5037         movv2si_internal): Support moves between core registers.
5039 2006-11-14  Eric Christopher  <echristo@apple.com>
5041         * configure: Regenerate with autoconf 2.59.
5043 2006-11-14  Daniel Berlin  <dberlin@dberlin.org>
5045         Fix PR tree-optimization/27755
5047         * tree-ssa-pre.c: Update comments.
5048         (bb_bitmap_sets): Add pa_in and  deferred member.
5049         (BB_DEFERRED): New macro.
5050         (maximal_set): New variable.
5051         (pre_stats): Add pa_insert member.
5052         (bitmap_set_and): Short circuit orig == dest.
5053         (bitmap_set_subtract_values): New function.
5054         (bitmap_set_contains_expr): Ditto.
5055         (translate_vuses_through_block): Add phiblock argument.
5056         (dependent_clean): New function.
5057         (compute_antic_aux): Update for maximal_set changes.
5058         (compute_partial_antic_aux): New function.
5059         (compute_antic): Handle partial anticipation.
5060         (do_partial_partial_insertion): New function.
5061         (insert_aux): Handle partial anticipation.
5062         (add_to_sets): Add to maximal set.
5063         (compute_avail): Ditto.
5064         (init_pre): Initialize maximal_set.
5065         (execute_pre): Do partial anticipation if -O3+.
5067 2006-11-14  Paolo Bonzini  <bonzini@gnu.org>
5069         PR rtl-optimization/29798
5071         * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5072         TARGET_INSN before any other check.
5073         (fwprop_init): Always calculate dominators.
5074         (fwprop_done): Always free them.
5076 2006-11-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5078         * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5079         COND_EXPR.
5081 2006-11-13  DJ Delorie  <dj@redhat.com>
5083         * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5084         temporary for intermediates.
5086 2006-11-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5088         * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5089         (sh_optimize_target_register_callee_saved): #if 0 the code
5090         using NOTE_INSN_LOOP_{BEG,END}.
5092 2006-11-13  Roger Sayle  <roger@eyesopen.com>
5094         * fold-const.c (optimize_bit_field_compare): Recursively call
5095         fold when simplifying non-constant comparisons between bit-fields.
5097 2006-11-13  Jakub Jelinek  <jakub@redhat.com>
5099         * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5100         test.
5101         * configure: Rebuilt.
5103 2006-11-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5105         * config/rs6000/cell.md: New file.
5106         * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5107         variable.
5108         (ppccell_cost): New cost matrix.
5109         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5110         (rs6000_override_options): Set rs6000_always_hint to false
5111         for cell. Also align functions/lables/loops to 8byte
5112         for the Cell. Use PROCESSOR_CELL.
5113         (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5114         using_mtcr_multiple.
5115         (rs6000_variable_issue): If the insn is a nonpipelined instruction
5116         on the Cell, return 0.
5117         (rs6000_adjust_cost): Add Cell cost adjustments.
5118         (is_microcoded_insn): Return true for Cell microcoded
5119         instructions.
5120         (is_nonpipeline_insn): New function.
5121         (rs6000_issue_rate): Add PROCESSOR_CELL.
5122         (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5123         instructions.
5124         (rs6000_use_sched_lookahead_guard): New function.
5125         (rs6000_sched_reorder):  Reorder the ready list, if the second
5126         to last ready insn is a nonepipeline insn on the Cell.
5127         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5128         (ASM_CPU_SPEC): Add Cell.
5129         * config/rs6000/rs6000.md (cpu): Add Cell.
5130         (cell_micro): New Attr.
5131         Include cell.md
5133 2006-11-13  Jakub Jelinek  <jakub@redhat.com>
5135         * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5136         style versions.
5137         * configure: Rebuilt.
5139 2006-11-13  Richard Guenther  <rguenther@suse.de>
5141         * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5142         return value.
5143         (ix86_expand_lfloorceil): Likewise.
5144         (ix86_expand_rint): Likewise.
5145         (ix86_expand_floorceildf_32): Likewise.
5146         (ix86_expand_floorceil): Likewise.
5147         (ix86_expand_rounddf_32): Likewise.
5148         (ix86_expand_truncdf_32): Likewise.
5149         (ix86_expand_round): Likewise.
5151 2006-11-13  Carlos O'Donell  <carlos@codesourcery.com>
5152             Mark Mitchell  <mark@codesourcery.com>
5154         * gcc.c: Organize search path variables into $prefix relative,
5155         and well-known native. Add comments.
5156         (add_sysrooted_prefix): Add comment.
5157         (process_command): If !gcc_exec_prefix add $prefix based paths.
5158         If *cross_compile == '0', add native well-known paths.
5159         Assert tooldir_base_prefix is always relative.
5160         (main): If print_search_dirs, and if gcc_exec_prefix is set,
5161         use this value for 'install:' path.
5162         * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5164 2006-11-13  H.J. Lu  <hongjiu.lu@intel.com>
5166         * config/i386/i386.c: Fix a typo in comment.
5168 2006-11-13  Michael Matz  <matz@suse.de>
5170         * genemit.c (gen_expand): Allocate enough memory.
5172 2006-11-13  Joseph Myers  <joseph@codesourcery.com>
5174         * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5175         __GXX_TYPEINFO_EQUALITY_INLINE but not
5176         __GXX_MERGED_TYPEINFO_NAMES.
5177         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5178         __GXX_MERGED_TYPEINFO_NAMES.
5179         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5180         __GXX_TYPEINFO_EQUALITY_INLINE.
5182 2006-11-13  H.J. Lu  <hongjiu.lu@intel.com>
5183             Zdenek Dvorak <dvorakz@suse.cz>
5185         PR tree-optimization/29680
5186         * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5187         PR 14784.
5189 2006-11-12  Jason Merrill  <jason@redhat.com>
5190             Andrew Pinski <pinskia@physics.uc.edu>
5192         PR middle-end/28915
5193         * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5194         vector ctors.
5195         * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5196         vector ctors.
5197         * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5198         * tree.c (build_vector): Handle non-_CST elements.
5200 2006-11-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5202         * genemit.c (gen_insn): Call gen_exp with a non-null used
5203         when handling multiple insns.
5204         (gen_expand): Likewise.
5205         * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5206         * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5207         (movsi_const_16bit+1): Copy operands[1].
5208         (call_pcrel): Copy the call_site pattern.
5209         (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5211 2006-11-12  Roger Sayle  <roger@eyesopen.com>
5213         * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5214         condition for transformations.  Use !HONOR_SIGN_DEPENDENT_ROUNDING
5215         && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5216         (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5218 2006-11-12  Daniel Berlin  <dberlin@dberlin.org>
5220         Fix PR tree-optimization/29587
5221         * tree-ssa-structalias.c (process_constraint): Don't
5222         mark address taken due only to escaped vars constraint.
5224 2006-11-12  Michael Matz  <matz@suse.de>
5225             Roger Sayle  <roger@eyesopen.com>
5227         PR rtl-optimization/29797
5228         * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5229         BITS_BIG_ENDIAN targets.
5231 2006-11-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5233         * builtins.c (fold_builtin_cosh): New.
5234         (fold_builtin_1): Use it.
5235         * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5236         trunc to the list of "odd" functions.  Also add llrint, lrint,
5237         rint and nearbyint when flag_rounding_math is false.
5239 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5241         * tree-flow.h (name_mappings_registered_p): Declare.
5242         * tree-into-ssa.c (name_mappings_registered_p): New function.
5243         * tree-cfg.c (tree_can_merge_blocks_p): Check
5244         name_mappings_registered_p instead of need_ssa_update_p.
5246 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5248         * tree-ssa-loop.c (tree_vectorize): Return the result of
5249         vectorize_loops.
5250         * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5251         if anything changed.
5252         * tree-vectorizer.h (vectorize_loops): Declaration removed.
5253         * tree-flow.h (vectorize_loops): Declaration changed.
5255 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5257         * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5258         comments.
5259         (issue_prefetch_ref): Move assignment to write_p out of loop.
5260         (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5261         SIMULTANEOUS_PREFETCHES into account.
5262         (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5263         * lambda-code.c (lcm): Renamed to ...
5264         (least_common_multiple): ... and exported.
5265         * tree-flow.h (least_common_multiple): Declare.
5267 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5269         * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5270         * tree-ssa-loop-niter.c (derive_constant_upper_bound):  Follow
5271         ud-chains.  Handle AND_EXPR.
5272         (record_estimate): Record whether the estimate is realistic
5273         and whether it is derived from a loop exit.
5274         (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5275         infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5276         functions.
5277         (compute_estimated_nb_iterations): Take only realistic bounds into
5278         account.  Set estimate_state.  Use double_ints.
5279         (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5280         and infer_loop_bounds_from_signedness.  Do not consider basic blocks
5281         that do not have to be always executed.
5282         (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5283         to determine whether to call infer_loop_bounds_from_undefined
5284         and compute_estimated_nb_iterations.
5285         (n_of_executions_at_most): Use double_ints.
5286         (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5287         (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5288         * double-int.c (double_int_to_tree): Improve comment.
5289         (double_int_fits_to_tree_p): New function.
5290         * double-int.h (double_int_fits_to_tree_p): Declare.
5291         * tree-data-ref.c: Include langhooks.h.
5292         (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5293         (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5294         (analyze_array): Do not pass estimate_only argument to
5295         analyze_array_indexes.
5296         (get_number_of_iters_for_loop): Build tree from the stored double_int
5297         value.
5298         (get_references_in_stmt, find_data_references_in_stmt): New functions.
5299         (find_data_references_in_loop): Use find_data_references_in_stmt.
5300         * tree-data-ref.h (struct data_ref_loc_d): New.
5301         (get_references_in_stmt): Declare.
5302         (estimate_iters_using_array): Declaration removed.
5303         * cfgloop.h (struct nb_iter_bound): Change type of bound to
5304         double_int.  Improve comments.  Add is_exit and realistic
5305         fields.
5306         (struct loop): Changed type of estimated_nb_iterations to double_int.
5307         Added estimate_state field.
5308         (record_estimate): Declaration removed.
5310 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5312         * params.c (set_param_value): Initialize the "set" field.
5313         * params.h (struct param_info): Add "set" field.
5314         (PARAM_SET_P): New macro.
5315         (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5316         L1_CACHE_LINE_SIZE): New macros.
5317         * toplev.c (DEFPARAM): Initialize the "set" field.
5318         * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5319         SIMULTANEOUS_PREFETCHES): Removed.
5320         (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5321         (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5322         * config/sparc/sparc.c: Include params.h.
5323         (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5324         L1_CACHE_LINE_SIZE parameters.
5325         * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5326         Removed.
5327         * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5328         Removed.
5329         * config/i386/i386.c: Include params.h.
5330         (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5331         (override_options): Set SIMULTANEOUS_PREFETCHES and
5332         L1_CACHE_LINE_SIZE parameters.
5333         * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5334         (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5335         L1_CACHE_LINE_SIZE parameters.
5336         * config/ia64/ia64.c (ia64_optimization_options): Set
5337         SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5338         * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5339         Removed.
5340         * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5341         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5342         * doc/invoke.texi: Document new params.
5344 2006-11-12  Roger Sayle  <roger@eyesopen.com>
5346         PR tree-optimization/13827
5347         * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5348         as ((X^Y)&C) op 0.
5350 2006-11-12  Zdenek Dvorak <dvorakz@suse.cz>
5352         * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5353         update_single_exit_for_duplicated_loops): New functions.
5354         (duplicate_loop_to_header_edge): Use
5355         update_single_exit_for_duplicated_loops.
5356         * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5357         functions only with ENABLE_CHECKING.
5359 2006-11-12  Andreas Schwab  <schwab@suse.de>
5361         * except.c (sjlj_emit_function_enter): Remove unused variable.
5363 2006-11-11  Roger Sayle  <roger@eyesopen.com>
5365         * fold-const.c (int_binop_types_match_p): New function.
5366         (size_binop): Relax constraint that both arguments must both have
5367         exactly the same sizetype type.  Instead use int_binop_types_match_p.
5368         (size_diffop): Likewise.
5370         (make_range): Use build_int_cst instead of fold_convert.
5371         (fold_cond_expr_with_comparison): Use build_int_cst to construct
5372         integer constants of the correct type.
5373         (fold_div_compare): Likewise.
5374         (fold_single_bit_test): Likewise.
5375         (fold_binary): Likewise.
5376         * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5377         has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5379 2006-11-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5381         PR rtl-opt/28812
5382         * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5383         non null value if the struct memory access is in the 0th
5384         aliasing set.
5386 2006-11-12  Jie Zhang  <jie.zhang@analog.com>
5388         Revert
5389         2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5390         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5391         and __BFIN__.
5393         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5394         instead of builtin_define for bfin and BFIN.
5396 2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5398         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5399         and __BFIN__.
5401 2006-11-11  Jan Hubicka  <jh@suse.cz>
5403         * extend.texi (__builtin_expect): We no longer require second argument
5404         to be constant.
5405         * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5406         * builtins.c (expand_builtin_expect): Simplify.
5407         (expand_builtin_expect_jump): Kill.
5408         * final.c (final_scan_insn): Do not skip the removed notes.
5409         * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5410         EXPECTED_VALUE): Remove.
5411         * dojump.c (do_jump): Do not care about __builtin_expect.
5412         * predict.c (expected_value_to_br_prob): Kill.
5413         * function.c (expand_function_end): Do not expand
5414         NOTE_INSN_REPEATED_LINE_NUMBER.
5415         * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5416         * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5417         * cfgexpand.c (add_reg_br_prob_note): Export.
5418         * cfgcleanup.c (rest_of_handle_jump2): Do not call
5419         expected_value_to_br_prob.
5420         * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5421         * rtl.h (add_reg_br_prob_note): Declare.
5423 2006-11-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5425         * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5427 2006-11-11  Jan Hubicka  <jh@suse.cz>
5429         * predict.c (predict_loops): Kill RTL variant.
5431 2006-11-11  Jan Hubicka  <jh@suse.cz>
5433         * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5434         * modulo-sched.c (find_line_note): Remove.
5435         (loop_canon_p): Do not worry about line number notes.
5436         (sms_schedule): Likewise.
5437         * cse.c (cse_main): Likewise.
5438         * regmove.c (fixup_match_1): Likewise
5439         * function.c (emit_return_info_block): Likewise.
5440         (expand_function_end): Likewise.
5441         (thread_prologue_an_epilogue_insns): Likewise.
5442         * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5443         Likewise.
5444         * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5445         emit_note_copy_after): Kill.
5446         (emit_note_copy): Do not worry about line numbers.
5447         * jump.c (purge_line_number_notes): Kill.
5448         (pass_purge_lineno_notes): Kill.
5449         * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5450         call.
5451         * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5452         * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5453         * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5454         * tree-pass.h (pass_purge_lineno_notes): Kill.
5455         * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5456         rm_redundant_line_notes.
5457         * sched-rgb.c (schedule_region): Don't rm_line_notes,
5458         rm_redundant_line_notes.
5459         * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5460         * haifa-sched.c: Update comment about handling notes.
5461         (unlink_line_notes): Kill.
5462         (rm_line_notes): Kill.
5463         (save_line_notes): Simplify.
5464         (rm_redundant_line_notes): Kill.
5466 2006-11-11  Richard Guenther  <rguenther@suse.de>
5468         * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5469         Remove unused tree codes.
5470         * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5471         of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5472         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5473         * tree.c (stabilize_reference): Likewise.
5474         * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5475         fold_unary): Likewise.
5476         * tree-gimple.c (is_gimple_cast): Likewise.
5477         * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5478         * expr.c (expand_expr_real_1): Likewise.
5479         * tree-eh.c (tree_could_trap_p): Likewise.
5480         * gimplify.c (gimplify_expr): Likewise.
5481         * tree-inline.c (estimate_num_insns_1): Likewise.
5482         * tree-cfg.c (verify_expr): Likewise.
5484 2006-11-11  Zdenek Dvorak <dvorakz@suse.cz>
5486         * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5487         * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5488         (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5490 2006-11-11  Richard Sandiford  <richard@codesourcery.com>
5492         PR middle-end/27528
5493         * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5494         constraints accept neither registers or memories.
5496 2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5498         * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5499         (NO_PROFILE_COUNTERS): Define as 1.
5501 2006-11-10  Roger Sayle  <roger@eyesopen.com>
5503         * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5504         Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5506 2006-11-10  Peter Bergner  <bergner@vnet.ibm.com>
5508         * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5510 2006-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5512         * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5513         (fold_builtin_hypot): Likewise.
5514         * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5516         * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5518 2006-11-10  Roger Sayle  <roger@eyesopen.com>
5520         * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5521         when attempting to build INTEGER_CSTs of non-integral types.
5522         * expmed.c (make_tree): Use the correct type, i.e. the inner
5523         type, when constructing the individual elements of a CONST_VECTOR.
5525 2006-11-10  Jan Hubicka  <jh@suse.cz>
5527         * cse.c (cse_process_notes): Copy the propagated value.
5528         * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5529         in REG_EQUIV notes.
5530         * gcse.c (try_replace_reg): Copy the replacement.
5531         * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5532         (assign_386_stack_local): Always return copied memory expression
5533         * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5534         duplicates.
5536 2006-11-10  Jan Hubicka  <jh@suse.cz>
5538         * final.c (final): Walk from first instruction.
5539         * cfglayout.c (insn_locators_initialize): Remove line number notes.
5541 2006-11-10  Uros Bizjak  <ubizjak@gmail.com>
5543         PR target/29777
5544         * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5545         to define_expand.
5546         (umulv8hi3_highpart): Ditto.
5547         (vec_widen_smult_hi_v8hi): New expander.
5548         (vec_widen_smult_lo_v8hi): Ditto.
5550 2006-11-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5552         PR middle-end/29335
5553         * builtins.c (do_mpfr_arg3): New.
5554         (fold_builtin_1): Handle builtins fma, fmin and fmax.
5556 2006-11-09  Eric Christopher  <echristo@apple.com>
5558         PR bootstrap/26892
5559         PR bootstrap/27814
5560         PR other/28994
5561         * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5562         * config.gcc (powerpc64-*-darwin*): New target.
5563         * config.host: Ditto.
5564         * config/rs6000/darwin64.h: New file.
5565         * config/rs6000/x-darwin64: Ditto.
5566         * config/rs6000/host-ppc64-darwin.c: Ditto.
5568 2006-11-09  Steve Ellcey  <sje@cup.hp.com>
5570         * config/ia64/ia64.c (ia64_hpux_init_libfuncs):  Use HP-UX millicode
5571         routines for integer division.
5573 2006-11-09  Daniel Jacobowitz  <dan@codesourcery.com>
5575         * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5577 2006-11-09  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5579         PR middle-end/29726
5580         * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5582 2006-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5584         * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5585         simplify_subreg with BLKmode outer mode.
5587 2006-11-08  Brooks Moses  <brooks.moses@codesourcery.com>
5589         * doc/invoke.texi: Minor formatting fixes in option lists.
5591 2006-11-08  Zdenek Dvorak <dvorakz@suse.cz>
5593         PR tree-optimization/29738
5594         * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5595         (ccp_lattice_t): Remove UNKNOWN_VAL.
5596         (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5597         Do not handle UNKNOWN_VAL.
5598         (get_default_value): Set initial value of virtual operands to
5599         VARYING.
5600         (get_value): Always use get_default_value on uninitialized
5601         operands.
5602         (set_value_varying, surely_varying_stmt_p): New functions.
5603         (set_lattice_value): Do not pass argument to get_value.
5604         Do not handle UNKNOWN_VAL.
5605         (likely_value): Follow the semantics described in the comment.
5606         (ccp_initialize): Use surely_varying_stmt_p.  Do not mark
5607         phi nodes DONT_SIMULATE_AGAIN.
5608         (ccp_fold): Do not pass argument to get_value.
5609         (fold_const_aggregate_ref, visit_assignment): Ditto.  Do not
5610         handle UNKNOWN_VAL.
5612 2006-11-08  Andrew Pinski  <Andrew_Pinski@playstation.sony.com>
5614         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5615         HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5617 2006-11-08  Roger Sayle  <roger@eyesopen.com>
5619         * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5620         test for inclusion rather than as a test for exclusion.
5621         * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5622         the condition after calling fold_binary.
5623         * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5624         (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5625         * builtins.c (fold_builtin_isascii): Likewise.
5626         (fold_builtin_isdigit): Likewise.
5628 2006-11-08  Carlos O'Donell  <carlos@codesourcery.com>
5630         * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5631         * configure: Regenerate.
5633 2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5635         * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5636         enum argument instead of bool.
5637         (vect_analyze_operations): Call vectorizable_type_promotion.
5638         * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5639         stmt_vec_info_type value.
5640         (supportable_widening_operation, vectorizable_type_promotion): New
5641         function declarations.
5642         * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5643         (vectorizable_type_promotion): New function.
5644         (vect_transform_stmt): Call vectorizable_type_promotion.
5645         * tree-vect-analyze.c (supportable_widening_operation): New function.
5646         * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5647         Add implementation.
5648         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5649         mode.
5651         * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5652         (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5653         * tree-inline.c (estimate_num_insns_1): Add cases for above new
5654         tree-codes.
5655         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5656         * expr.c (expand_expr_real_1): Likewise.
5657         * optabs.c (optab_for_tree_code): Likewise.
5658         (init_optabs): Initialize new optabs.
5659         * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5660         vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5661         vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5662         vec_unpacku_lo_optab): Initialize new optabs.
5663         * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5664         (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5665         OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5666         optab indices.
5667         (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5668         (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5669         (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5670         (vec_unpacku_lo_optab): New optabs.
5671         * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5672         (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5673         (vec_widen_smult_hi, vec_widen_smult_lo): New.
5674         * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5675         (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5676         (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5678         * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5679         (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5680         (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5681         (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5682         (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5683         implement the unsigned unpacking patterns.
5684         (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5685         (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5686         (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5687         (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5688         (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5689         (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5690         (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5691         (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5692         multiplication patterns.
5694         * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5695         * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5696         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5697         * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5698         (rs6000_builtin_mul_widen_odd): New.
5699         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5700         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5701         * tree-vectorizer.h (enum vect_relevant): New enum type.
5702         (_stmt_vec_info): Field relevant chaned from bool to enum
5703         vect_relevant.
5704         (STMT_VINFO_RELEVANT_P): Updated.
5705         (STMT_VINFO_RELEVANT): New.
5706         * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5707         instead of STMT_VINFO_RELEVANT_P.
5708         * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5709         Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5710         and boolean variable with enum vect_relevant.
5711         (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5712         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5713         (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5715         2006-11-08  Richard Henderson  <rth@redhat.com>
5717         * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5718         vec_widen_umult_lo_v8hi): New.
5719         (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5720         vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5722         * config/i386/i386.c (ix86_expand_sse_unpack): New.
5723         * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5724         * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5725         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5726         vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5727         vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5728         vec_unpacks_lo_v4si): New.
5730         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5732         * tree-vect-transform.c (vectorizable_type_demotion): New function.
5733         (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5734         (vect_analyze_operations): Call vectorizable_type_demotion.
5735         * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5736         stmt_vec_info_type value.
5737         (vectorizable_type_demotion): New function declaration.
5738         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5739         mode.
5741         * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5742         * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5743         VEC_PACK_SAT_EXPR.
5744         * tree-iniline.c (estimate_num_insns_1): Likewise.
5745         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5746         * optabs.c (optab_for_tree_code): Likewise.
5748         * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5749         compared against the predicate of the result is not 'mode' (the input
5750         to the function) but a mode with half the size of 'mode'.
5751         (init_optab): Initialize new optabs.
5752         * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5753         New optab indices.
5754         (vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
5755         optabs.
5756         * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5757         (vec_pack_usat_optab): Initialize new optabs.
5758         * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5759         * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5761         2006-11-08  Richard Henderson  <rth@redehat.com>
5763         * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5764         (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5765         (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5766         (vec_interleave_highv4si, vec_interleave_lowv4si):
5767         (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5769         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5771         * tree-vect-transform.c (vectorizable_reduction): Support multiple
5772         datatypes.
5773         (vect_transform_stmt): Removed redundant code.
5775         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5777         * tree-vect-transform.c (vectorizable_operation): Support multiple
5778         datatypes.
5780         2006-11-08  Dorit Nuzman  <dorit@il.ibm.com>
5782         * tree-vect-transform.c (vect_align_data_ref): Removed.
5783         (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5784         Updated function documentation. Return the increment stmt in ptr_incr.
5785         (bump_vector_ptr): New function.
5786         (vect_get_vec_def_for_stmt_copy): New function.
5787         (vect_finish_stmt_generation): Create a stmt_info to newly created
5788         vector stmts.
5789         (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5790         argument.
5791         (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5792         VF is greater than the number of elements that can fit in one vector
5793         word.
5794         (vectorizable_operation, vectorizable_condition): Likewise.
5795         (vectorizable_store, vectorizable_load): Support the case that the VF
5796         is greater than the number of elements that can fit in one vector word.
5797         (vect_transform_loop): Don't fail in case of multiple data-types.
5798         * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5799         in case of multiple data-types; the smallest type determines the VF.
5800         (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5801         if they are of different sizes.
5802         (vect_update_misalignment_for_peel): Compare misalignments in terms of
5803         number of elements rather than number of bytes.
5804         (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5805         (vect_can_advance_ivs_p): Fix a dump printout
5807 2006-11-07  Eric Christopher  <echristo@apple.com>
5809         * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5810         (__bswapsi2): Ditto.
5811         * libgcc2.h: Remove transformation of bswap routines.
5812         * config/i386/i386.md (bswapsi2): New.
5813         (bswapdi2): Ditto.
5815 2006-11-07  Jakub Jelinek  <jakub@redhat.com>
5817         * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5818         (handle_gnu_inline_attribute): New function.
5819         * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5820         (merge_decls, start_decl, start_function): Likewise.
5821         * doc/extend.texi: Document gnu_inline attribute.
5823 2006-11-07  Steve Ellcey  <sje@cup.hp.com>
5825         PR other/25028
5826         * config/ia64/t-hpux (LIB1ASMFUNCS):  Filter out _fixtfdi,
5827         _fixunstfdi, and  _floatditf
5829 2006-11-06  Anatoly Sokolov <aesok@post.ru>
5831         * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5832         prototype.
5833         * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5834         (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5835         lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5836         which start in an odd register.
5838 2006-11-07  Richard Sandiford  <richard@codesourcery.com>
5840         * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5842 2006-11-07  Josh Conner  <jconner@apple.com>
5844         * doc/invoke.texi (fstrict-aliasing): Move implementation
5845         details...
5846         * doc/tree-ssa.texi (Alias analysis): ...here.
5848 2006-11-07  Richard Guenther  <rguenther@suse.de>
5850         PR tree-optimization/29610
5851         * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5852         of tree_purge_dead_eh_edges as it may free dominators.
5854         * g++.dg/other/pr29610.C: New testcase.
5856 2006-11-07  David Ung  <davidu@mips.com>
5858         * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5859         costs when optimizing for size.
5860         (override_options): Use mips_rtx_cost_optimize_size table for cost
5861         calculations.
5863 2006-11-07  Jie Zhang  <jie.zhang@analog.com>
5865         * gcc.c (process_command): Treat -b as normal switch if its argument
5866         has no dash.
5868 2006-11-07  David Ung  <davidu@mips.com>
5870         * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5871         list.
5873 2006-11-06  Eric Christopher  <echristo@apple.com>
5875         * config.gcc: Add x86_64-darwin host support.
5876         * config.host: Ditto.
5877         * config/i386/darwin64.h: New file.
5878         * config/i386/t-darwin64: Ditto.
5880 2006-11-06  Janis Johnson  <janis187@us.ibm.com>
5882         * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5883         and output-exists-not.
5885 2006-11-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5887         PR tree-opt/29439
5888         * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5889         checking for overflow.
5891 2006-11-06  Jan van Dijk  <jan@etpmod.phys.tue.nl>
5893         * configure.ac: Fixed typo in case statement: :: changed to ;;
5895 2006-11-06  Bob Wilson  <bob.wilson@acm.org>
5897         * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5898         count_leading_zeros, and count_trailing_zeros.
5899         * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5900         (TARGET_FOLD_BUILTIN): Define.
5901         (TARGET_EXPAND_BUILTIN): Define.
5902         (xtensa_init_builtins): New.
5903         (xtensa_fold_builtin): New.
5904         (xtensa_expand_builtin): New.
5905         (xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
5906         * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5907         (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5908         (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5909         * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5910         (any_extend): New code macro.
5911         (u, su): New code attributes.
5912         (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5913         (nsau): Remove; replaced by clzsi2.
5914         (ffssi2): Use clzsi2.
5915         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5916         _clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
5917         * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5918         (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5919         (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5921 2006-11-06  Vladimir Prus  <vladimir@codesourcery.com>
5923         * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5924         set inhibit_libc.
5925         * config/arm/t-strongarm-elf: Likewise.
5926         * config/arm/t-pe: Likewise.
5927         * config/arm/t-arm-elf: Likewise.
5928         * config/arm/t-xscale-elf: Likewise.
5929         * config/arm/t-arm-coff: Likewise.
5930         * config/arm/t-xscale-coff: Likewise.
5931         * config/arm/t-wince-pe: Likewise.
5933 2006-11-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5935         * config/sh/lib1funcs-4-300.asm: Guard entire file with
5936         #if !__SHMEDIA__ .
5938 2006-11-05  Jakub Jelinek  <jakub@redhat.com>
5940         PR middle-end/29695
5941         * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5942         simplification.
5944 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
5946         PR target/26915
5947         * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5948         as a valid 80387 constant.
5949         (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5950         * config/i386/i386.md (unnamed splitter): Split the load of
5951         constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
5952         by negation.
5954 2006-11-04  Richard Earnshaw  <rearnsha@arm.com>
5956         * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5957         from the soft-frame, argument and virtual registers.
5959 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
5961         * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5962         patterns for standard 80387 constants.
5964 2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
5965             Steven Bosscher  <steven@gcc.gnu.org>
5967         * fwprop.c: New file.
5968         * Makefile.in: Add fwprop.o.
5969         * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5970         * passes.c (init_optimization_passes): Schedule forward propagation.
5971         * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5972         parameter.
5973         * timevar.def (TV_FWPROP): New.
5974         * common.opt (-fforward-propagate): New.
5975         * opts.c (decode_options): Enable forward propagation at -O2.
5976         * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5977         * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5978         canon_for_address, table_size): Remove.
5979         (new_basic_block, insert, remove_from_table): Remove references to
5980         table_size.
5981         (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5982         simplification loop more straightforward by not calling fold_rtx
5983         recursively.
5984         (equiv_constant): Move here a small part of fold_rtx_subreg,
5985         do not call fold_rtx.  Call avoid_constant_pool_reference
5986         to process MEMs.
5987         * recog.h (canonicalize_change_group): New.
5989         * doc/invoke.texi (Optimization Options): Document fwprop.
5990         * doc/passes.texi (RTL passes): Document fwprop.
5992 2006-11-03  Geoffrey Keating  <geoffk@apple.com>
5994         * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5995         (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5996         (grokdeclarator): Likewise.
5998 2006-11-03  Steven Bosscher  <steven@gcc.gnu.org>
6000         * tree-dump.c (dump_enable_all): Rename local variable
6001         ir_type to avoid name conflicts.
6002         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6003         instead of using ir_type().
6004         * profile.c (tree_register_profile_hooks): Likewise.
6005         * value-prof.c (tree_register_value_prof_hooks): Likewise.
6006         * basic-block.h (struct edge_def): Likewise.
6007         * config/arm/arm.c (legitimize_pic_address): Likewise.
6008         * coretypes.h (ir_type): New enum of all intermediate languages
6009         used in GCC.
6010         * cfghooks.c (ir_type): Rename to...
6011         (current_ir_type): ...this.  Distinguish between cfgrtl and
6012         cfglayout mode when the current IR is RTL.  Return enum ir_type.
6013         * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6015 2006-11-03  Paul Brook  <paul@codesourcery.com>
6017         * config/arm/arm.c (arm_file_start): New function.
6018         (TARGET_ASM_FILE_START): Define.
6019         (arm_default_cpu): New variable.
6020         (arm_override_options): Set arm_default_cpu.
6022 2006-11-03  David Ung  <davidu@mips.com>
6024         * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6025         PROCESSOR_24KC and PROCESSOR_24KF.
6026         * config/mips/mips.c (mips_cpu_info_table): Add processor names
6027         and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6028         (mips_rtx_cost_data): Add costs for the 24kc.
6029         * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6030         * config/mips/24k.md: Remove references to 24k and replace with
6031         uses of 24kc/24kf in the appropriate reservations.
6032         * doc/invoke.texi (MIPS Options): Updated.
6034 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
6036         * config/sh/crt1.asm: Fix #ifdef indent.
6038 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
6039         Merged from STMicroelectronics sources:
6040         2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
6041           * config/sh/crt1.asm (vbr_600): Add missing #if.
6042         2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
6043           * sh.opt (mfused-madd): New option.
6044           * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6045         2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
6046           * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6047           Remove pointless handler at VBR+0.
6048           (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6049           (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6050           fr7. Make sure the timer handler is called with the correct FPU
6051           precision setting, according to the ABI.
6052         2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
6053           * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6054           * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6055           (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6056         2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
6057           * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
6058           zero as second operand.
6059         2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
6060           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6061           Fixed some bugs related to negative values, in particular -0
6062           and overflow at -0x80000000.
6063           * config/sh/divcost-analysis: Added sh4-300 figures.
6064         2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
6065           * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6066         2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
6067           * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6068           ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6069           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6070         New files.
6071           * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6072           -m4-340.
6073         2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
6074           SH4-300 scheduling description & fixes to SH4-[12]00 description:
6075           * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6076           mac_mem, mem_mac, dfp_mul, fp_cmp.
6077           (insn_class, dfp_comp, any_fp_comp): Update.
6078           (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6079           (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6080           (muldf3_i): Likewise.
6081           (movsi_i): Split rI08 alternative into two separate alternatives.
6082           Update type.
6083           (movsi_ie, movsi_i_lowpart): Likewise.
6084           (movqi_i): Split ri alternative into two separate alternatives.
6085           Update type.
6086           * sh1.md (sh1_load_store, sh1_fp): Update.
6087           * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6088           (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6089           * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6090           (sh4a_fp_double_arith): Likewise.
6091           * sh4-300.md: New file.
6092           * sh.c (sh_handle_option): Handle m4-300* options.
6093           (sh_adjust_cost): Fix latency of auto-increments.
6094           Handle SH4-300 differently than other SH4s.  Check for new insn types.
6095           * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6096           been set by an option.
6097           * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6098           (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6099           (mbranch-cost=): Likewise.
6100           * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6102           * sh.md (mulsf3): Remove special expansion code.
6103           (mulsf3_ie): Now a define_insn_and_split.
6104           (macsf3): Allow for TARGET_SH4.
6106           * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6107           * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6108           (expand_cbranchdi4): Likewise.
6109           (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6110           CONST_DOUBLE if the outer code is COMPARE.
6111           * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6112           TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6113           (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6114           (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6115           Remove redundant fp_{zero,one}_operand checks.
6116           * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6117           * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6118           (expand_cbranchdi4): Likewise.
6119         2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
6120           * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6122 2006-11-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6124         * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6125         constraints.
6127 2006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>
6129         * doc/invoke.texi: Fix mfp-trap-mode typo.
6131 2006-11-02  Carlos O'Donell  <carlos@codesourcery.com>
6133         * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6134         * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6135         file_end_indicate_exec_stack.
6136         * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6137         Define as 0.
6138         * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6139         for a non-executable stack.
6140         * crti.asm: Likewise.
6141         * crtn.asm: Likewise.
6142         * libunwind.S: Likewise.
6144 2006-11-02  Ben Elliston  <bje@au.ibm.com>
6146         * tree-ssa.c (warn_uninit): Use expand_location variables for
6147         locus and declaration locus.
6149 2006-11-02  Kaz Kojima  <kkojima@gcc.gnu.org>
6151         PR target/27405
6152         * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6153         (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6154         cmp{eq,gt,gtu}{si,di}_media.
6155         (*cmpne0si_media): Remove.
6156         (*movsicc_umin): Adjust gen_cmp*_media call.
6157         (unordered): Change the mode of unordered and operands[1] to
6158         SImode.
6159         (seq): Adjust gen_cmp*_media calls.  Make the mode of
6160         a temporary result of compare SImode if needed.  If the mode
6161         of operands[0] is DImode, extend the temporary result to DImode.
6162         (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6163         (sunorderd): Change the mode of match_operand and unorderd to
6164         SImode.
6165         (cmpeq{sf,df}_media): Remove.
6166         (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6167         (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6168         and compare operation to SImode.
6170 2006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
6172         * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6173         instructions.
6174         (sparc64-sun-solaris2*): Likewise.
6176 2006-11-02  Paul Brook  <paul@codesourcery.com>
6178         * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6179         from priority argument.  Use different section for non-default
6180         priority.
6181         * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6183 2006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
6185         PR other/29639
6186         * except.c (switch_to_exception_section): Do not cache the section
6187         if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6188         and flag_function_sections is set.
6190 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6192         PR middle-end/29335
6193         * builtins.c (do_mpfr_sincos): New.
6194         (fold_builtin_1): Use it to fold builtin sincos.
6196 2006-11-01  Roger Sayle  <roger@eyesopen.com>
6198         * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6199         it into -D_REENTRANT.
6201 2006-11-01  Roger Sayle  <roger@eyesopen.com>
6203         * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6204         whether the assembler supports taking the difference of symbols in
6205         different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
6206         * configure: Regenerate.
6207         * config.in: Regenerate.
6208         * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6209         the assembler doesn't support taking the difference of symbols in
6210         different sections, i.e. we're using the native solaris assembler.
6212 2006-11-01  Pete Steinmetz  <steinmtz@us.ibm.com>
6213             Peter Bergner  <bergner@vnet.ibm.com>
6215         * doc/invoke.texi: Add cpu_type power6x
6216         (RS/6000 and PowerPC Options): Add -mmfpgpr.
6217         * config.gcc: Add cpu_type power6x.
6218         * configure.ac: Add test for mf{t,f}gpr instructions.
6219         (HAVE_AS_MFPGPR): New.
6220         * config.in: Regenerate.
6221         * configure: Regenerate.
6222         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6223         * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6224         shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6225         and mftgpr attributes.
6226         (define_attr "cpu"): Add power6.
6227         Change instruction sequences to use new attributes.
6228         (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6229         (fix_truncdfsi2_mfpgpr): New.
6230         (floatsidf_ppc64_mfpgpr): New.
6231         (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6232         (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6233         (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6234         (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6235         (fix_truncdfsi2): Use gpc_reg_operand constraint.
6236         * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6237         7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6238         Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6239         cntlz,exts and var_delayed_compare.
6240         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6241         _ARCH_PWR6X, if features enabled.
6242         * config/rs6000/rs6000.opt (mmfpgpr): New.
6243         * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6244         (cached_can_issue_more): New variable.
6245         (processor_costs): Add power6_cost.
6246         (rs6000_sched_init): New function.
6247         (is_dispatch_slot_restricted): Deleted.
6248         (set_to_load_agen): New function.
6249         (is_load_insn,is_store_insn): New functions.
6250         (adjacent_mem_locations): New function.
6251         (insn_must_be_first_in_group): New function.
6252         (insn_must_be_last_in_group): New function.
6253         (rs6000_sched_reorder): New function.
6254         (rs6000_sched_reorder2): New function.
6255         (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6256         TARGET_SCHED_REORDER2): Define.
6257         (processor_target_table): Use PROCESSOR_POWER6 for power6.
6258         Add power6x. Add MASK_MFPGPR for power6x.
6259         (POWERPC_MASKS): Add MASK_MFPGPR.
6260         (rs6000_override_options): Set rs6000_always_hint to false
6261         for power6.  Set rs6000_align_branch_targets. Replace
6262         rs6000_sched_groups check with rs6000_align_branch_targets.
6263         Use PROCESSOR_POWER6.
6264         (last_scheduled_insn): New variable.
6265         (load_store_pendulum): New variable.
6266         (rs6000_variable_issue): Set last_scheduled_insn and
6267         cached_can_issue_more.
6268         (rs6000_adjust_cost): Add power6 cost adjustments.
6269         (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6270         with insn_must_be_first_in_group. Add power6 priority adjustments.
6271         (rs6000_issue_rate): Add CPU_POWER6.
6272         (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6273         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6274         (TARGET_MFPGPR): New.
6275         (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6276         (ASM_CPU_SPEC): Add power6x.
6277         (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6278         conditions.
6279         * config/rs6000/power6.md: New file.
6281 2006-11-01  Adam Nemet  <anemet@caviumnetworks.com>
6283         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6284         HOST_WIDE_INT_PRINT to print high and low parts.  Use
6285         HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
6286         printing a hexadecimal number prefix it with 0x.
6288 2006-11-01  Chris Johns <chris@contemporary.net.au>
6290         PR bootstrap/28400
6291         * Makefile.in (install-driver): Use exeext when installing
6292         $target-gcc-$version.
6294 2006-11-01      Douglas Gregor <doug.gregor@gmail.com>
6296         * c-common.c (flag_cpp0x): New.
6297         * c-common.h (flag_cpp0x): New.
6298         * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6299         supported, define __GXX_EXPERIMENTAL_CPP0X__.
6300         * c-opts.c (set_std_cxx0x): New.
6301         (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6302         * c.opt (std=c++0x): Document.
6303         (std=gnu++0x): Ditto.
6304         * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6305         * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6307 2006-11-01  Richard Guenther  <rguenther@suse.de>
6309         * config/i386/i386.c (ix86_expand_rint): Fix issues with
6310         signed zeros.
6311         (ix86_expand_floorceildf_32): Likewise.
6312         (ix86_expand_floorceil): Likewise.
6313         (ix86_expand_trunc): Likewise.
6315 2006-10-31  Andrew Pinski  <pinskia@gmail.com>
6317         * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6318         to "GNU C89".
6320 2006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
6322         * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6323         hook.
6324         * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6325         default.
6326         * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6327         Override default.
6328         * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6329         * configure.ac (use_cxa_atexit): As a special case, don't test
6330         for libc definition of __cxa_atexit on mingw32
6331         * configure: Regenerate.
6332         * config.gcc (i[34567]86-pc-mingw32): Default to
6333         enable__cxa_atexit=yes.
6335 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6337         * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6339 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6341         PR 23067
6342         * c-decl.c (start_struct): Don't create self-containing
6343         structures.
6344         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6345         New.
6346         * config/rs6000/rs6000-protos.h
6347         (darwin_rs6000_special_round_type_align): New.
6348         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6349         (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6351 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6353         * toplev.c (compile_file): Call final_write_globals
6354         even if there have been errors.
6356 2006-10-31  Eric Christopher  <echristo@apple.com>
6357             Falk Hueffner  <falk@debian.org>
6359         * doc/extend.texi (__builtin_bswap32): Document.
6360         (__builtin_bswap64): Ditto.
6361         * doc/libgcc.texi (bswapsi2): Document.
6362         (bswapdi2): Ditto.
6363         * doc/rtl.texi (bswap): Document.
6364         * optabs.c (expand_unop): Don't widen a bswap.
6365         (init_optabs): Init bswap. Set libfuncs explicitly
6366         for bswapsi2 and bswapdi2.
6367         * optabs.h (OTI_bswap): New.
6368         (bswap_optab): Ditto.
6369         * genopinit.c (optabs): Handle bswap_optab.
6370         * tree.h (tree_index): Add TI_UINT32_TYPE and
6371         TI_UINT64_TYPE.
6372         (uint32_type_node): New.
6373         (uint64_type_node): Ditto.
6374         * tree.c (build_common_tree_nodes_2): Initialize
6375         uint32_type_node and uint64_type_node.
6376         * builtins.c (expand_builtin_bswap): New.
6377         (expand_builtin): Call.
6378         (fold_builtin_bswap): New.
6379         (fold_builtin_1): Call.
6380         * fold-const.c (tree_expr_nonnegative_p): Return true
6381         for bswap.
6382         * builtin-types.def (BT_UINT32): New.
6383         (BT_UINT64): Ditto.
6384         (BT_FN_UINT32_UINT32): Ditto.
6385         (BT_FN_UINT64_UINT64): Ditto.
6386         * builtins.def (BUILT_IN_BSWAP32): New.
6387         (BUILT_IN_BSWAP64): Ditto.
6388         * rtl.def (BSWAP): New.
6389         * genattrtab.c (check_attr_value): New.
6390         * libgcc2.c (__bswapSI2): New.
6391         (__bswapDI2): Ditto.
6392         * libgcc2.h (__bswapSI2): Declare.
6393         (__bswapDI2): Ditto.
6394         * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6395         * simplify-rtx.c (simplify_const_unary_operation): Return
6396         0 for BSWAP.
6397         * libgcc-std.ver (__bwapsi2): Add.
6398         (__bswapdi2): Ditto.
6399         * reload1.c (eliminate_regs_1): Add bswap.
6400         (elimination_effects): Ditto.
6401         * config/i386/i386.h (x86_bswap): New.
6402         (TARGET_BSWAP): Use.
6403         * config/i386/i386.c (x86_bswap): Set.
6405 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6407         * coverage.c (coverage_checksum_string): Update comment.
6408         * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6409         of get_file_function_name.
6410         * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6411         of get_file_function_name_long.
6412         * tree.c (get_file_function_name): Rename from
6413         get_file_function_name_long; improve comment; handle 'I' and 'D'
6414         specially when the target has ctor/dtor support; remove special
6415         handling for 'F'.
6416         (get_file_function_name): Remove.
6417         * tree.h (get_file_function_name): Rename from
6418         get_file_function_name_long.
6419         (get_file_function_name): Remove prototype.
6421 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6423         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6424         * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6426         * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6427         Call dsymutil when compiling and linking one or more source files
6428         in one step.
6430 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6432         PR 15834
6433         * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6435 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6437         * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6438         inline static functions in c99 mode.
6440         PR 16622
6441         * doc/extend.texi (Inline): Update.
6442         * c-tree.h (struct language_function): Remove field 'extern_inline'.
6443         * c-decl.c (current_extern_inline): Delete.
6444         (pop_scope): Adjust test for an undefined nested function.
6445         Add warning about undeclared inline function.
6446         (diagnose_mismatched_decls): Update comments.  Disallow overriding
6447         of inline functions in a translation unit in C99.  Allow inline
6448         declarations in C99 at any time.
6449         (merge_decls): Boolize variables.  Handle C99 'extern inline'
6450         semantics.
6451         (grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
6452         C99 inline semantics.
6453         (start_function): Don't clear current_extern_inline.  Don't set
6454         DECL_EXTERNAL.
6455         (c_push_function_context): Don't push current_extern_inline.
6456         (c_pop_function_context): Don't restore current_extern_inline.
6458         PR 11377
6459         * c-typeck.c (build_external_ref): Warn about static variables
6460         used in extern inline functions.
6461         * c-decl.c (start_decl): Warn about static variables declared
6462         in extern inline functions.
6464 2006-10-31  Roger Sayle  <roger@eyesopen.com>
6466         PR middle-end/23470
6467         * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6468         * fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
6469         pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6470         or y is an even integer.
6472 2006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
6474         PR target/24071
6475         * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6476         * gthr-posix95.h (__gthread_active_p): Likewise.
6478 2006-10-31  Richard Guenther  <rguenther@suse.de>
6480         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6481         acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6482         expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6483         exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6484         ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6485         lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6486         lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6487         btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6488         !optimize_size.
6490 2006-10-31  Steven Bosscher  <steven@gcc.gnu.org>
6492         * opts.c (decode_options): Disable CSE skip blocks.
6494 2006-10-30  Dirk Mueller  <dmueller@suse.de>
6496         * c-common.h (strict_aliasing_warning): Fix whitespace.
6497         * c-decl (start_function): Move code for main decl warning ..
6498         * c-common.c (check_main_parameter_types): .. here.
6499         * c-common.h (check_main_parameter_types): Declare.
6501 2006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6503         PR middle-end/29335
6504         * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6506 2006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>
6508         * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6509         be a PARALLEL containing sets.  Return false when out_pat is not
6510         a PARALLEL insn.
6512 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
6514         * config/mips/mips.md (mul<mode>3): Split into...
6515         (mulsi3, muldi3): ...these separate patterns.
6517 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
6519         * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6520         but with each set of options separated by spaces.
6522 2006-10-30  J"orn Rennecke  <joern.rennecke@st.com>
6524         * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6525         dwarf_reg_size_table has been initialized.
6527 2006-10-30  Roger Sayle  <roger@eyesopen.com>
6529         * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6530         * ddg.c (print_ddg_edge): Likewise.
6531         * dwarf2out.c (prune_unused_types_walk): Likewise.
6532         * ifcvt.c (noce_try_cmove_arith): Likewise.
6533         * langhooks.c (add_builtin_function): Likewise.
6534         * reg-stack.c (subst_stack_regs_pat): Likewise.
6535         * tree.c (expanded_location): Likewise.
6536         * tree-dump.c (dequeue_and_dump): Likewise.
6538 2006-10-30  David Daney  <ddaney@avtrex.com>
6540         * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6542 2006-10-30  Jakub Jelinek  <jakub@redhat.com>
6544         PR tree-optimization/29637
6545         * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6546         of the innertype is the innertype itself.
6548 2006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
6550         * dwarf2out.c (file_name_acquire): Correct typo.
6552 2006-10-29  Daniel Berlin  <dberlin@dberlin.org>
6554         * tree.h (tree_value_handle): Remove struct value_set declaration.
6555         Change value_set to bitmap_set.
6556         * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6557         * tree-vn.c (get_value_handle): Made inline and moved to
6558         tree-flow-inline.h.
6559         * tree-flow-inline.h: (has_stmt_ann): New function.
6560         * tree-ssa-pre.c (expressions): New variable.
6561         (next_expression_id): Ditto.
6562         (alloc_expression_id): New function.
6563         (struct value_set): Remove.
6564         (get_expression_id): New function.
6565         (get_or_alloc_expression_id): Ditto.
6566         (expression_for_id): Ditto.
6567         (clear_expression_ids): Ditto.
6568         (FOR_EACH_EXPR_ID_IN_SET): New macro.
6569         (bb_value_sets): Renamed to bb_bitmap_sets.
6570         All value sets replaced with bitmap_sets.
6571         Add visited member.
6572         (BB_VISITED): New macro.
6573         (postorder): New variable.
6574         (add_to_value): Removed.
6575         (value_exists_in_set_bitmap): Ditto.
6576         (value_insert_into_set_bitmap): Ditto.
6577         (set_new): Ditto.
6578         (set_copy): Ditto.
6579         (set_remove): Ditto.
6580         (set_contains_value): Ditto.
6581         (insert_into_set): Ditto.
6582         (set_equal): Ditto.
6583         (find_leader): Ditto.
6584         (bitmap_set_subtract_from_value_set): Ditto.
6585         (value_insert_into_set): Ditto.
6586         (print_value_set): Ditto.
6587         (debug_value_set): Ditto.
6588         (constant_expr_p): New function.
6589         (bitmap_remove_from_set): Ditto.
6590         (bitmap_insert_into_set): Ditto.
6591         (bitmap_set_free): Ditto.
6592         (vh_compare): Ditto.
6593         (sorted_array_from_bitmap_set): Ditto.
6594         (bitmap_set_subtract): Ditto.
6595         (bitmap_set_equal): Ditto.
6596         (debug_bitmap_set): Ditto.
6597         (find_leader_in_sets): Ditto.
6598         (bitmap_set_replace_value): Modify for bitmapped sets.
6599         (phi_translate): Ditto.
6600         (phi_translate_set): Ditto.
6601         (bitmap_find_leader): Ditto.
6602         (valid_in_sets): Ditto.
6603         (union_contains_value): Ditto.
6604         (clean): Ditto.
6605         (compute_antic_aux): Ditto.  Mark changed blocks.
6606         (compute_antic): Ditto. Iterate in postorder and only over
6607         changing blocks.
6608         (compute_rvuse_and_antic_safe): Reuse postorder.
6609         (create_component_ref_by_pieces): Modify for bitmapped sets.
6610         (find_or_generate_expression): Ditto.
6611         (create_expression_by_pieces): Ditto.
6612         (insert_into_preds_of_block): Ditto.
6613         (changed_blocks): New variable.
6614         (do_regular_insertion): Broken out from insert_aux.
6615         (insert_aux): Modified for bitmapped sets.
6616         (find_existing_value_expr): New function.
6617         (create_value_expr_from): Use it.
6618         (insert_extra_phis): Removed.
6619         (print_bitmap_set): Renamed from bitmap_print_value_set.
6620         (compute_avail): Handle RETURN_EXPR.
6621         (init_pre): Modify for bitmapped sets.
6622         * tree-flow.h (has_stmt_ann): New function.
6624 2006-10-29  Roger Sayle  <roger@eyesopen.com>
6626         * builtins.c (fold_builtin_floor): Check for the availability of
6627         the C99 trunc function before transforming floor into trunc.
6629 2006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6631         * builtins.c (fold_builtin_hypot): Rearrange recursive
6632         transformation before others, and also do ABS_EXPR.  When
6633         necessary, check flag_unsafe_math_optimizations.  When necessary,
6634         add fabs.
6636 2006-10-29  Roger Sayle  <roger@eyesopen.com>
6638         * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6639         Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6640         (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6641         Fold -X eq/ne -Y as X eq/ne Y.
6643 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
6645         * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6646         GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
6647         rather than GENERATE_MULT3_SI in the various define_peephole2s.
6648         (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6649         Use an inclusive test for "mult" rather than "mul".
6650         (rotr<mode>3): Depend on ISA_HAS_ROR.
6651         * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6652         ISA_HAS_MUL3.
6653         (GENERATE_MULT3_DI): Delete.
6654         (ISA_HAS_64BIT_REGS): Use consistent formatting.
6655         (ISA_HAS_MUL3): New macro.
6656         (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6657         (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6658         (ISA_HAS_CLZ_CLO): Likewise.
6659         (ISA_HAS_DCLZ_DCLO): Delete.
6660         (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6661         (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6662         the VR4120 and VR4130.
6663         (ISA_HAS_MACCHI): Use consistent formatting.
6664         (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6665         (ISA_HAS_ROR): ...this new macro.
6666         (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6667         (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6668         (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6670 2006-10-29  Roger Sayle  <roger@eyesopen.com>
6672         PR tree-optimization/15458
6673         * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6674         is a constant.
6676 2006-10-29  Richard Guenther  <rguenther@suse.de>
6678         * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6679         (ix86_expand_truncdf_32): Likewise.
6680         * config/i386/i386.c (ix86_expand_trunc): New function expanding
6681         trunc inline for SSE math and -fno-trapping-math and if not
6682         optimizing for size.
6683         (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6684         * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6685         for expanding btrunc inline for SSE math.
6687 2006-10-29  Joseph Myers  <joseph@codesourcery.com>
6689         * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6690         Handle tuning for bi-arch i[34567]86-*-linux* like that for
6691         i[34567]86-*-solaris2.1[0-9]*.
6692         * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6693         Define conditionally depending on TARGET_64BIT_DEFAULT.
6694         (SPEC_32, SPEC_64): Define.
6695         (LINK_SPEC): Use them.
6696         * doc/install.texi (--enable-targets=all): Document for x86-linux.
6698 2006-10-29  Richard Guenther  <rguenther@suse.de>
6700         * config/i386/i386-protos.h (ix86_expand_round): Declare.
6701         (ix86_expand_rounddf_32): Likewise.
6702         * config/i386/i386.c (ix86_expand_round): New function expanding
6703         round inline for SSE math and -fno-trapping-math and if not
6704         optimizing for size.
6705         (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6706         * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6707         round via ix86_expand_round.
6709 2006-10-29  Richard Guenther  <rguenther@suse.de>
6711         * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6712         (ix86_expand_floorceildf_32): Likewise.
6713         * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6714         static helper function.
6715         (ix86_expand_floorceil): Expander for floor and ceil to SSE
6716         math.
6717         (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6718         * config/i386/i386.md (floordf2): Adjust to enable floor
6719         expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6720         -fno-trapping-math is enabled and if not optimizing for size.
6721         (floorsf2, ceildf2, ceilsf2): Likewise.
6722         * config/i386/sse.md (sse_maskcmpsf3): New insn.
6723         (sse2_maskcmpdf3): Likewise.
6725 2006-10-29  Richard Guenther  <rguenther@suse.de>
6727         * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6728         rint in case -fno-trapping-math is enabled.
6729         * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6730         * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6731         (ix86_expand_sse_fabs): Likewise.
6732         (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6733         * config/i386/i386.md (rintdf2): Enable for SSE math if
6734         -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6735         (rintsf2): Likewise.
6737 2006-10-29  Richard Guenther  <rguenther@suse.de>
6739         * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6740         to conversion optabs.
6741         * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6742         as conversion optab.
6743         * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6744         (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6745         (lfloor_optab, lceil_optab): Adjust defines.
6746         * builtins.c (expand_builtin_int_roundingfn): Adjust for
6747         lfloor and lceil optabs now being conversion optabs.
6748         * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6749         * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6750         New static helper function.
6751         (ix86_expand_lfloorceil): New function to expand lfloor and
6752         lceil inline.
6753         * config/i386/i386.md (lfloor<mode>2): Split into ...
6754         (lfloorxf<mode>2): ... x87 variant
6755         (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6756         using ix86_expand_lfloorceil.
6757         (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6758         Likewise.
6759         * doc/md.texi (lfloorMN, lceilMN): Document.
6761 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
6763         * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
6764         -mno-shared assembler option on mips targets.
6765         * configure, config.in: Regenerate.
6766         * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6767         (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6768         * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6770 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
6772         * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6773         as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6775 2006-10-29  Kazu Hirata  <kazu@codesourcery.com>
6777         * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6778         config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6779         comment typos.
6781 2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6783         PR middle-end/29335
6784         * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6785         (fold_builtin_pow): Evaluate constant arguments at compile-time
6786         using MPFR.
6787         (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6788         (do_mpfr_ckconv): New helper function.
6789         (do_mpfr_arg1): Use do_mpfr_ckconv.
6790         (do_mpfr_arg2): New.
6792 2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6794         PR tree-opt/29271
6795         * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6796         (-fdump-rtl-sched): Rename to ..
6797         (-fdump-rtl-sched1): here.  Also fix file extension number.
6799 2006-10-28  Richard Guenther  <rguenther@suse.de>
6801         * fold-const.c (maybe_canonicalize_comparison): Fix code
6802         to match comment.
6804 2006-10-28  Uros Bizjak  <uros@kss-loka.si>
6806         * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6807         (NON_QI_REG_P): Use IN_RANGE.
6808         (REX_INT_REGNO_P): Use IN_RANGE.
6809         (FP_REGNO_P): Use IN_RANGE.
6810         (SSE_REGNO_P): Use IN_RANGE.
6811         (REX_SSE_REGNO_P): Use IN_RANGE.
6812         (MMX_REGNO_P): Use IN_RANGE.
6813         (STACK_REGNO_P): New macro.
6814         (STACK_REG_P): Use STACK_REGNO_P.
6815         (NON_STACK_REG_P): Use STACK_REGNO_P.
6816         (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6817         (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6818         (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6819         (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6820         (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6822 2006-10-28  Eric Botcazou  <ebotcazou@adacore.com>
6824         * except.h (output_function_exception_table): Add 'const char*' param.
6825         * except.c (switch_to_exception_section): Add 'const char*' param.
6826         If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6827         and flag_function_sections is set, use a function-specific section.
6828         (output_function_exception_table): Add 'const char*' param.
6829         Adjust call to switch_to_exception_section.
6830         * final.c (rest_of_handle_final): Adjust calls to
6831         output_function_exception_table.
6832         * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6833         * config.in: Regenerate.
6834         * configure: Likewise.
6836 2006-10-28  Richard Guenther  <rguenther@suse.de>
6838         PR middle-end/26899
6839         * fold-const.c (maybe_canonicalize_comparison_1): Helper
6840         for maybe_canonicalize_comparison.
6841         (maybe_canonicalize_comparison): New function for canonicalizing
6842         comparison trees.
6843         (fold_comparison): Call it to canonicalize comparisons with
6844         constants involved.
6846 2006-10-28  Richard Guenther  <rguenther@suse.de>
6848         PR target/28806
6849         * builtins.c (expand_builtin_int_roundingfn_2): Expand
6850         BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6851         (expand_builtin): Adjust likewise.
6852         * genopinit.c (optabs[]): Add lround optab.
6853         * optabs.c (init_optabs): Initialize lround_optab.
6854         * optabs.h (enum convert_optab_index): Add COI_lround.
6855         (lround_optab): Define.
6856         * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6857         * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6858         static function.
6859         (ix86_expand_lround): New function.
6860         * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6861         New expanders.
6862         * doc/md.texi (lroundMN2): Document.
6864 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6866         PR target/29377
6867         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6868         argument to HOST_WIDE_INT.  Update function prototype.
6869         (round_frame_size): Change return type to HOST_WIDE_INT.  Change
6870         "size" argument to HOST_WIDE_INT.  Update function prototype.
6872 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6874         * config/i386/i386.c (output_387_ffreep): Create output from a
6875         template string for !HAVE_AS_IX86_FFREEP.
6877 2006-10-27  Eric Christopher  <echristo@apple.com>
6879         * config/darwin.c: Fix formatting and grammar.
6881 2006-10-27  Jan Hubicka  <jh@suse.cz>
6883         * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6884         to be thrown away soon when IGNORE is set.
6885         * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6886         indicating when return value shall not be computed.
6887         * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6889 2006-10-27  Vladimir Makarov  <vmakarov@redhat.com>
6891         * config/i386/i386.h (TARGET_GEODE):
6892         (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6893         (TARGET_CPU_DEFAULT_geode): New macro.
6894         (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6895         TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6896         TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6897         TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6898         TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6899         the macro values.
6900         (TARGET_CPU_DEFAULT_NAMES): Add geode.
6901         (processor_type): Add PROCESSOR_GEODE.
6903         * config/i386/i386.md: Include geode.md.
6904         (cpu): Add geode.
6906         * config/i386/i386.c (geode_cost): New initialized global
6907         variable.
6908         (m_GEODE, m_K6_GEODE): New macros.
6909         (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6910         x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6911         x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6912         x86_schedule): Use m_K6_GEODE instead of m_K6.
6913         (x86_movx, x86_cmove): Set up m_GEODE.
6914         (x86_integer_DFmode_moves): Clear m_GEODE.
6915         (processor_target_table): Add entry for geode.
6916         (processor_alias_table): Ditto.
6918         * config/i386/geode.md: New file.
6920         * doc/invoke.texi: Add entry about geode processor.
6922 2006-10-27  Mike Stump  <mrs@apple.com>
6924         * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6925         __DYNAMIC__ from here back to ...
6926         * config/darwin.h (CPP_SPEC): ... here.
6928 2006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
6929             Nathan Sidwell  <nathan@codesourcery.com>
6931         * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6932         when choosing the minimum heapsize.
6934 2006-10-26  Nathan Froyd <froydnj@codesourcery.com>
6936         * gcc/unwind-dw2.h: Move cfa-related variables into
6937         struct frame_state_reg_info to ensure that the CFA is properly
6938         handled when executing DW_CFA_{remember,restore}_state.
6939         * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6940         gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6941         gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6942         gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6943         gcc/config/rs6000/linux-unwind.h,
6944         gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6945         gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6946         Modify to use new cfa_* fields.
6948 2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6950         * config/s390/s390.c (s390_init_frame_layout): Check positive
6951         frame_size.
6953 2006-10-26  Ben Elliston  <bje@au.ibm.com>
6955         * gimplify.c (get_name): Remove extraneous break.
6956         (gimplify_omp_for): Initialise ret with GS_OK.
6958 2006-10-25  Steve Ellcey  <sje@cup.hp.com>
6960         * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6961         Add unix98.o to link line.
6963 2006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6965         PR middle-end/29335
6966         * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6967         Calculate compile-time constants using MPFR.
6968         (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6969         BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6971 2006-10-25  Bob Wilson  <bob.wilson@acm.org>
6973         * config/xtensa/lib2funcs.S: Use C-style comments.
6975 2006-10-24  Nathan Froyd  <froydnj@codesourcery.com>
6977         * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6978         (file_table_relative_p): Likewise.
6979         (dwarf2out_finish): Likewise.
6980         (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6982 2006-10-25  Daniel Berlin  <dberlin@dberlin.org>
6984         * tree-ssa-structalias.c (intra_create_variable_infos):
6985           Don't recreate nonlocal_all if it already exists.
6987 2006-10-25  Richard Guenther  <rguenther@suse.de>
6989         PR target/28803
6990         * optabs.h (enum optab_index): Remove OTI_lrint.
6991         (enum convert_optab_index): Add COI_lrint.
6992         (lrint_optab): Adjust.
6993         (expand_sfix_optab): Declare.
6994         * optabs.c (expand_sfix_optab): New function.
6995         (init_optabs): Init lrint_optab as conversion optab.
6996         * genopinit.c (lrint_optab): Change to a conversion optab.
6997         * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6998         expansion via conversion optab.
6999         * config/i386/i386.md (*fistdi2_1): Remove
7000         flag_unsafe_math_optimizations guard.
7001         (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
7002         fist<mode>2_with_temp): Likewise.
7003         (lrint<mode>2): Split into...
7004         (lrintxf<mode>2): ... x87 part
7005         (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7006         * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7007         sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7008         UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7009         * doc/md.texi (lrintMN2): Document.
7011 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
7013         PR target/28909
7014         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7015         Use inc and dec instructions for TARGET_USE_INCDEC.
7016         ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7017         ("sync_double_compare_and_swap<mode>"): Likewise.
7018         ("*sync_double_compare_and_swapdi_pic"): Likewise.
7019         ("*sync_compare_and_swap_cc<mode>"): Likewise.
7020         ("sync_double_compare_and_swap_cc<mode>"): Likewise.
7021         ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7022         ("sync_old_add<mode>"): Likewise.
7023         ("sync_lock_test_and_set<mode>"): Likewise.
7024         ("sync_lock_test_and_set<mode>"): Likewise.
7025         ("sync_add<mode>"): Likewise.
7026         ("sync_sub<mode>"): Likewise.
7027         ("sync_ior<mode>"): Likewise.
7028         ("sync_and<mode>"): Likewise.
7029         ("sync_xor<mode>"): Likewise.
7031 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
7033         * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7034         (remainder_optab): Define corresponding macro.
7035         (drem_optab): Remove.
7036         * optabs.c (init_optabs): Initialize remainder_optab.  Remove
7037         drem_optab initialization.
7038         * genopinit.c (optabs): Implement remainder_optab using
7039         remainder?f3 patterns.  Remove drem_optab.
7040         * builtins.c (expand_builtin_mathfn_2): Handle
7041         BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7042         (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7043         expand_builtin_mathfn_2.
7045         (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7046         depend on flag_unsafe_math_optimizations.
7048         * config/i386/i386.md ("remaindersf3", "remainderdf3")
7049         ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7050         Do not depend on flag_unsafe_math_optimizations.  Use
7051         truncxf?f expander instead of truncxf?f_i387_noop.
7053         ("fpremxf4", "fprem1xf4"): Do not depend on
7054         flag_unsafe_math_optimizations.
7055         ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7056         flag_unsafe_math_optimizations.  Use truncxf?f expander
7057         instead of truncxf?f_i387_noop.
7059         * doc/md.texi (fmod, remainder): Document standard named pattern.
7061 2006-10-24  Richard Sandiford  <richard@codesourcery.com>
7062             David Daney  <ddaney@avtrex.com>
7064         PR middle-end/29519
7065         * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
7067 2006-10-25  Ben Elliston  <bje@au.ibm.com>
7069         * doc/extend.texi (Variable Attributes): Typo fix.
7071 2006-10-24  Uros Bizjak  <uros@kss-loka.si>
7073         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7074         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7075         (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7076         (FRAME_POINTER_REGNUM): Update register number to 21.
7077         (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7078         (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7080         * config/i386/i386.c (regclass_map): Add fpcr entry.
7081         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7082         Add fpcr entry.
7083         (print_reg): Assert REGNO (x) != FPCR_REG.
7085         * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7086         (DIRFLAG_REG): Renumber.
7087         (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7088         (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7089         (sse_prologue_save, *sse_prologue_save_insn): Renumber
7090         hardcoded SSE register numbers.
7092         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7093         hardcoded MMX register numbers.
7095 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7097         PR middle-end/29335
7098         * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7099         (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7100         Update all callers.
7101         (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7102         (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7103         BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7104         BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7106 2006-10-24  Richard Guenther  <rguenther@suse.de>
7108         PR middle-end/28796
7109         * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7110         and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7111         for deciding optimizations in consistency with fold-const.c
7112         (fold_builtin_unordered_cmp): Likewise.
7114 2006-10-24  Richard Guenther  <rguenther@suse.de>
7116         * builtins.c (fold_builtin_floor): Fold floor (x) where
7117         x is nonnegative to trunc (x).
7118         (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7119         nonnegative to FIX_TRUNC_EXPR.
7121 2006-10-24  Richard Guenther  <rguenther@suse.de>
7123         PR tree-optimization/29567
7124         * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7125         for TRUTH_NOT_EXPR.  Clarify comments.
7127 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7129         PR middle-end/29335
7130         * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7131         at compile-time using MPFR.  Change parameter VALUE to FUNC,
7132         update all callers.
7133         (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
7134         for overflow and underflow at all times and avoid folding in
7135         those cases.
7137 2006-10-24  Ben Elliston  <bje@au.ibm.com>
7139         * reload1.c: Formatting fixes.
7141 2006-10-23  Zdenek Dvorak <dvorakz@suse.cz>
7143         PR tree-optimization/14784
7144         * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7145         * tree-ssa-structalias.c (get_constraint_for,
7146         intra_create_variable_infos): Set is_heapvar.
7147         * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7148         non-heapvar pointer variables specially.
7150 2006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7152         PR middle-end/29335
7153         * builtins.c (fold_builtin_sin, fold_builtin_cos,
7154         fold_builtin_tan): Fold all constant arguments.  Take a "type"
7155         argument as necessary.
7156         (do_mpfr_arg1): New.
7157         * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7159 2006-10-23  Bob Wilson  <bob.wilson@acm.org>
7161         * config/xtensa/lib1funcs.asm: Use C-style comments.
7163 2006-10-23 Rafael Avila de Espindola  <rafael.espindola@gmail.com>
7165         * tree.c (local_define_builtin): Replace calls to
7166         lang_hooks.builtin_function with add_builtin_function.
7167         * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7168         c_builtin_function.
7169         * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7170         the signature.
7171         * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7172         common code to add_builtin_function.
7173         * langhooks.c (add_builtin_function): New function.
7174         (lhd_builtin_function): New function.
7175         * langhooks.h (struct lang_hooks): Change the signature of
7176         builtin_function.
7177         (add_builtin_function): New function.
7178         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7179         calls to lang_hooks.builtin_function with add_builtin_function.
7180         * c-common.c (decl_builtin_1): Replace calls to
7181         lang_hooks.builtin_function with add_builtin_function.
7182         * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7183         lang_hooks.builtin_function with add_builtin_function.
7184         * config/frv/frv.c (def_builtin): Replace calls to
7185         lang_hooks.builtin_function with add_builtin_function.
7186         * config/s390/s390.c (s390_init_builtins): Replace calls to
7187         lang_hooks.builtin_function with add_builtin_function.
7188         * config/sparc/sparc.c (def_builtin): Replace calls to
7189         lang_hooks.builtin_function with add_builtin_function.
7190         * config/i386/i386.c (def_builtin): Replace calls to
7191         lang_hooks.builtin_function with add_builtin_function.
7192         * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7193         lang_hooks.builtin_function with add_builtin_function.
7194         * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7195         lang_hooks.builtin_function with add_builtin_function.
7196         * config/stormy16/stormy16.c (xstormy16_init_builtins):
7197         Replace calls to lang_hooks.builtin_function with
7198         add_builtin_function.
7199         * config/iq2000/iq2000.c (def_builtin):
7200         Replace calls to lang_hooks.builtin_function with
7201         add_builtin_function.
7202         * config/ia64/ia64.c (def_builtin): Replace calls to
7203         lang_hooks.builtin_function with add_builtin_function.
7204         * config/rs6000/rs6000.c (def_builtin): Replace calls to
7205         lang_hooks.builtin_function with add_builtin_function.
7206         (altivec_init_builtins): Replace calls to
7207         lang_hooks.builtin_function with add_builtin_function.
7208         * config/arm/arm.c (def_mbuiltin): Replace calls to
7209         lang_hooks.builtin_function with add_builtin_function.
7210         (arm_init_tls_builtins): Replace calls to
7211         lang_hooks.builtin_function with add_builtin_function.
7212         * config/mips/mips.c (mips_init_builtins): Replace calls to
7213         lang_hooks.builtin_function with add_builtin_function.
7214         * config/bfin/bfin.c (def_builtin): Replace calls to
7215         lang_hooks.builtin_function with add_builtin_function.
7216         * langhooks-def.h (lhd_builtin_function): New function.
7217         (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7219 2006-10-23  Jakub Jelinek  <jakub@redhat.com>
7221         * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7222         BUILT_IN_STRNCAT_CHK.
7224 2006-10-23  Jan Hubicka  <jh@suse.cz>
7226         * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7227         don't do conversion from memmove to memcpy here.
7228         (expand_builtin_bcopy, expand_builtin): Update call of
7229         expand_builtin_memmove.
7230         (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7232 2006-10-23  Paul Brook  <paul@codesourcery.com>
7234         * stor-layout.c (start_record_layout): maximum_field_alignment
7235         overrides STRUCTURE_SIZE_BOUNDARY.
7237 2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>
7239         * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7240         nonlocal function symbols if flag_pic.
7242 2006-10-23  Richard Guenther  <rguenther@suse.de>
7244         PR middle-end/27132
7245         PR middle-end/23295
7246         * builtins.c (fold_binary): Remove checks for flag_wrapv
7247         and flag_trapv where negate_expr_p covers these cases.
7249 2006-10-23  Richard Guenther  <rguenther@suse.de>
7251         PR middle-end/29548
7252         * fold-const.c (fold_plusminus_mult_expr): Check exact power
7253         of two on the absolute value.
7254         (fold_binary): Fold x * -C to -x * C if x is easily negatable
7255         and negating -C does not overflow.
7257 2006-10-23  Richard Guenther  <rguenther@suse.de>
7259         PR middle-end/21032
7260         * convert.c (convert_to_real): Fold (float)-x to -(float)x
7261         only if not flag_rounding_math.
7263 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
7264             Kaz Kojima  <kkojima@gcc.gnu.org>
7266         PR target/28232
7267         * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7268         SImode memory reference for the source of a movua.
7269         * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7270         (movua): Use an unspec instead of sign_extract.  Expect the source
7271         to have mode BLKmode.
7272         (extv, insv): Use a BLKmode rather than SImode memory reference
7273         for the source of a movua.
7275 2006-10-22  Jeff Law  <law@redhat.com>
7276         Richard Guenther  <rguenther@suse.de>
7278         PR tree-optimization/15911
7279         * tree-vrp.c (extract_code_and_val_from_cond): New function.
7280         (register_edge_assert_for_1): Likewise.
7281         (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7282         (find_conditional_asserts): Adjust for new function signature.
7283         (find_assert_locations): Likewise.
7285 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7287         * config/i386/tmmintrin.h: Remove the duplicated content.
7289 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
7291         * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7292         (x86_64-*-*): Likewise.
7294         * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7295         (override_options): Check SSSE3.
7296         (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7297         IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7298         IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7299         IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7300         IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7301         IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7302         IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7303         IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7304         IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7305         IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7306         IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7307         IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7308         IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7309         IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7310         IX86_BUILTIN_PABSD128.
7311         (bdesc_2arg): Add SSSE3.
7312         (bdesc_1arg): Likewise.
7313         (ix86_init_mmx_sse_builtins): Support SSSE3.
7314         (ix86_expand_builtin): Likewise.
7315         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7317         * config/i386/i386.md (UNSPEC_PSHUFB): New.
7318         (UNSPEC_PSIGN): Likewise.
7319         (UNSPEC_PALIGNR): Likewise.
7320         Include mmx.md before sse.md.
7322         * config/i386/i386.opt: Add -mssse3.
7324         * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7325         (ssse3_phaddwv4hi3): Likewise.
7326         (ssse3_phadddv4si3): Likewise.
7327         (ssse3_phadddv2si3): Likewise.
7328         (ssse3_phaddswv8hi3): Likewise.
7329         (ssse3_phaddswv4hi3): Likewise.
7330         (ssse3_phsubwv8hi3): Likewise.
7331         (ssse3_phsubwv4hi3): Likewise.
7332         (ssse3_phsubdv4si3): Likewise.
7333         (ssse3_phsubdv2si3): Likewise.
7334         (ssse3_phsubswv8hi3): Likewise.
7335         (ssse3_phsubswv4hi3): Likewise.
7336         (ssse3_pmaddubswv8hi3): Likewise.
7337         (ssse3_pmaddubswv4hi3): Likewise.
7338         (ssse3_pmulhrswv8hi3): Likewise.
7339         (ssse3_pmulhrswv4hi3): Likewise.
7340         (ssse3_pshufbv16qi3): Likewise.
7341         (ssse3_pshufbv8qi3): Likewise.
7342         (ssse3_psign<mode>3): Likewise.
7343         (ssse3_psign<mode>3): Likewise.
7344         (ssse3_palignrti): Likewise.
7345         (ssse3_palignrdi): Likewise.
7346         (abs<mode>2): Likewise.
7347         (abs<mode>2): Likewise.
7349         * config/i386/tmmintrin.h: New file.
7351         * doc/extend.texi: Document SSSE3 built-in functions.
7353         * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7355 2006-10-22  Ira Rosen  <irar@il.ibm.com>
7357         * tree-vect-transform.c (vectorizable_load): Use the type of the
7358         return value of the mask_for_load builtin to create realign_load
7359         stmt.
7361 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
7363         * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7364         expressions.
7366 2006-10-21  H.J. Lu  <hongjiu.lu@intel.com>
7368         * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7369         (UNSPEC_LDDQU): This.
7370         * config/i386/sse.md (sse3_lddqu): Updated.
7372 2006-10-21  Richard Guenther  <rguenther@suse.de>
7374         * builtins.c (expand_builtin_int_roundingfn_2): New function.
7375         (expand_builtin): Use it to expand lrint instead of
7376         expand_builtin_mathfn.
7378 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
7380         PR middle-end/28252
7381         * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7382         flag_unsafe_math_optimizations is set.
7384 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
7386         PR target/19398
7387         * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7388         patterns to use memory input operand in x87->mem->XMM
7389         reload sequences.  Skip transformation for TARGET_K8.
7391 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
7393         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7394         force operand1 to register if both operands are memory operands.
7395         (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7396         (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7397         if both operands are memory operands.
7398         (truncdfsf2): Do not force operand1 to register if both operands
7399         are memory operands.
7401 2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7403         * Makefile.in (LIBS): Add $(GMPLIBS).
7404         * doc/install.texi: Update GMP and MPFR requirements.
7405         * doc/sourcebuild.texi (need_gmp): Delete.
7407 2006-10-21  Richard Guenther  <rguenther@suse.de>
7409         PR tree-optimization/3511
7410         * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7411         got new invariant arguments during PHI translation.
7413 2006-10-21  Richard Guenther  <rguenther@suse.de>
7415         PR middle-end/26898
7416         * fold-const.c (fold_comparison): Fold signed comparisons
7417         of the form X +- C1 CMP Y +- C2.
7419 2006-10-21  Richard Guenther  <rguenther@suse.de>
7421         PR target/19116
7422         * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7423         if flag_unsafe_math_optimizations is specified.  We have
7424         flag_finite_math_only for that.
7425         * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7426         or flag_unsafe_math_optimizations.
7428 2006-10-21  Richard Guenther  <rguenther@suse.de>
7430         * builtins.c (fold_builtin_classify): Fix typo.
7432 2006-10-21  Richard Guenther  <rguenther@suse.de>
7434         PR middle-end/28796
7435         * simplify-rtx.c (simplify_const_relational_operation):
7436         Do not constant-fold ORDERED and UNORDERED for
7437         flag_unsafe_math_optimizations but only we do not need to
7438         honor NaNs for the given mode.
7440 2006-10-21  Richard Guenther  <rguenther@suse.de>
7442         PR target/29512
7443         * config/i386/i386.c (classify_argument): Remove redundant
7444         walking of the BINFOs.
7445         (contains_128bit_aligned_vector_p): Likewise.
7447 2006-10-20  Mark Mitchell  <mark@codesourcery.com>
7449         * BASE-VER: Set to 4.3.0.
7451 2006-10-20  Daniel Berlin  <dberlin@dberlin.org>
7453         * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7454         (tree_decl_with_vis): Remove artificial_pta_var flag.
7455         * tree-flow.h (referenced_var_check_and_insert): Expose.
7456         (nonlocal_all): New prototype.
7457         * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7458         (nonlocal_all): Make global.
7459         (nonlocal_lookup): Remove.
7460         (nonlocal_insert): Ditto.
7461         (create_nonlocal_var): Do not call nonlocal_insert.
7462         (get_nonlocal_id_for_type): Remove.
7463         (find_global_initializers): Mark new vars we find for renaming.
7464         (intra_create_variable_infos): Only create one nonlocal.
7465         (expand_nonlocal_solutions): Remove.
7466         (compute_points_to_sets): Don't call it.
7467         (ipa_pta_execute): Ditto.
7468         (init_alias_heapvars): Don't create nonlocal_for_type.
7469         (delete_alias_heapvars): Don't remove it.
7470         * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7471         nonlocal_all.
7473 2006-10-19  Brooks Moses  <bmoses@stanford.edu>
7475         * doc/install.texi (Downloading GCC): Clarify mention of
7476         Fortran in the "full distribution" description.
7478 2006-10-19  Daniel Berlin  <dberlin@dberlin.org>
7480         Fix PR tree-optimization/28778
7481         Fix PR tree-optimization/29156
7482         Fix PR tree-optimization/29415
7483         * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7484         (tree_decl_with_vis): Add artificial_pta_var flag.
7485         * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7486         pushed into callers.
7487         * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7488         (nonlocal_all): Ditto.
7489         (struct variable_info): Add directly_dereferenced member.
7490         (var_escaped_vars): New variable.
7491         (escaped_vars_tree): Ditto.
7492         (escaped_vars_id): Ditto.
7493         (nonlocal_vars_id): Ditto.
7494         (new_var_info): Set directly_dereferenced.
7495         (graph_size): New variable
7496         (build_constraint_graph): Use graph_size.
7497         (solve_graph): Don't process constraints that cannot change the
7498         solution, don't try to propagate an empty solution to our
7499         successors.
7500         (process_constraint): Set directly_dereferenced.
7501         (could_have_pointers): New function.
7502         (get_constraint_for_component_ref): Don't process STRING_CST.
7503         (nonlocal_lookup): New function.
7504         (nonlocal_insert): Ditto.
7505         (create_nonlocal_var): Ditto.
7506         (get_nonlocal_id_for_type): Ditto.
7507         (get_constraint_for): Allow results vector to be empty in the case
7508         of string constants.
7509         Handle results of calls properly.
7510         (update_alias_info): Update alias info stats on number and type of
7511         calls.
7512         (find_func_aliases): Use could_have_pointers.
7513         (make_constraint_from_escaped): Renamed from
7514         make_constraint_to_anything, and changed to make constraints from
7515         escape variable.
7516         (make_constraint_to_escaped): New function.
7517         (find_global_initializers): Ditto.
7518         (create_variable_info_for): Make constraint from escaped to any
7519         global variable, and from any global variable to the set of
7520         escaped vars.
7521         (intra_create_variable_infos): Deal with escaped instead of
7522         pointing to anything.
7523         (set_uids_in_ptset): Do type pruning on directly dereferenced
7524         variables.
7525         (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7526         (init_base_vars): Fix comment, and initialize escaped_vars.
7527         (need_to_solve): Removed.
7528         (find_escape_constraints): New function.
7529         (expand_nonlocal_solutions): Ditto.
7530         (compute_points_to_sets): Call find_escape_constraints and
7531         expand_nonlocal_solutions.
7532         (delete_points_to_sets): Don't fall off the end of the graph.
7533         (init_alias_heapvars): Initialize nonlocal_for_type and
7534         nonlocal_all.
7535         (delete_alias_heapvars): Free nonlocal_for_type and null out
7536         nonlocal_all.
7538 2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>
7540         * fold-const.c (add_double): Rename to add_double_with_sign.
7541         Add 'unsigned_p' parameter and take it into account for the overflow.
7542         (mul_double): Rename to mul_double_with_sign.
7543         Add 'unsigned_p' parameter and take it into account for the overflow.
7544         (fold_div_compare): Call add_double_with_sign instead of add_double
7545         and mul_double_with_sign instead of mul_double, passing them the
7546         unsignedness of the type.
7547         * tree.h (add_double): Macroize.
7548         (add_double_with_sign): New prototype.
7549         (mul_double): Macroize.
7550         (mul_double_with_sign): New prototype.
7552 2006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>
7554         * config/score/crti.asm: New file.
7555         * config/score/crtn.asm: New file.
7556         * config/score/elf.h: New file.
7557         * config/score/mac.md: New file.
7558         * config/score/misc.md: New file.
7559         * config/score/mul-div.S: New file.
7560         * config/score/predicates.md: New file.
7561         * config/score/score7.md: New file.
7562         * config/score/score.c: New file.
7563         * config/score/score-conv.h: New file.
7564         * config/score/score.h: New file.
7565         * config/score/score.md: New file.
7566         * config/score/score-mdaux.c: New file.
7567         * config/score/score-mdaux.h: New file.
7568         * config/score/score-modes.def: New file.
7569         * config/score/score.opt: New file.
7570         * config/score/score-protos.h: New file.
7571         * config/score/score-version.h: New file.
7572         * config/score/t-score-elf: New file.
7573         * config.gcc: Add score*-*-* configurations(Update before).
7574         * doc/invoke.texi (Score Options): New section.
7575         * doc/md.texi (Score family): New section to document constraints.
7577 2006-10-19  Nick Clifton  <nickc@redhat.com>
7579         * config/arm/arm.c: Fix spelling typo.
7581 2006-10-18  Tom Tromey  <tromey@redhat.com>
7583         * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7585 2006-10-18  Jan Hubicka  <jh@suse.cz>
7587         PR middle-end/29299
7588         * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7589         are used.
7591 2006-10-18  Marcin Dalecki  <martin@dalecki.de>
7593         * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7594         TSI_SAME_STMT, since that's the desired entity.
7596 2006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>
7598         * config/s390/contraints.md: New file.
7599         * config/s390/s390-protos.h (s390_mem_constraint,
7600         s390_O_constraint_str, s390_N_constraint_str,
7601         s390_float_const_zero_p): Function prototypes added.
7602         * config/s390/s390.c (s390_extra_constraint_str,
7603         s390_const_double_ok_for_constraint_p,
7604         s390_const_ok_for_constraint_p): Functions removed.
7605         (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7606         s390_float_const_zero_p): New functions.
7607         * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7608         CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7609         EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7610         Macro definitions removed.
7611         (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7612         s390_extra_constraint_str): Functions removed.
7614 2006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
7615             Richard Sandiford  <richard@codesourcery.com>
7617         PR target/29413
7618         * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7619         * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7621 2006-10-16  Geoffrey Keating  <geoffk@apple.com>
7623         * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7624         (DWARF2_FRAME_REG_OUT): Likewise.
7625         * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7626         (DWARF2_FRAME_REG_OUT): Likewise.
7628 2006-10-17  Paul Brook  <paul@codesourcery.com>
7630         * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7632 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
7634         * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7635         Standardize on "GNU Fortran" as the official name of the Fortran
7636         compiler.
7638 2006-10-16  Mike Stump  <mrs@apple.com>
7640         * doc/invoke.texi (Darwin Options): Document -mkernel.
7641         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7642         -mkernel support.
7643         (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
7644         SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7645         (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7646         (OS_MISSING_ALTIVEC): Add.
7647         * config/i386/i386.c (override_options): Add
7648         SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7649         * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7650         -mkernel, -static or -mdynamic-no-pic is given.
7651         (C_COMMON_OVERRIDE_OPTIONS): Add.
7652         * config/darwin.opt (fapple-kext): Add.
7653         (mkernel): Add.
7654         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7655         -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7656         -mkernel support.
7657         (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7658         (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7659         (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7660         (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7661         (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7662         (flag_mkernel): Add.
7663         (flag_apple_kext): Add.
7664         (TARGET_KEXTABI): Add.
7665         * config/darwin.c (darwin_handle_kext_attribute): Add.
7666         (DARWIN_VTABLE_P): Add.
7667         (darwin_binds_local_p): Add partial support for rebinding vtables
7668         in kexts.
7669         (darwin_kextabi_p): Add.
7670         (darwin_override_options): Add.
7671         * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7672         (darwin_kextabi_p): Add.
7673         (darwin_override_options): Add.
7674         * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7675         __DYNAMIC__ and __STATIC__ here.
7677 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
7679         * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7680         Added mention of "make pdf" target, and Texinfo requirements for
7681         same.
7683 2006-10-16  DJ Delorie  <dj@redhat.com>
7685         * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7686         into the GOT in case we need a subreg of the address.
7688 2006-10-16  Richard Guenther  <rguenther@suse.de>
7690         PR target/25519
7691         * doc/extend.texi (X86 Built-in Functions): Fix typos in
7692         SSE builtin documentation.  Document SSE2 builtins.
7694 2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7696         * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7697         symbol in the output file for non-shared links when -nostdlib or
7698         -nodefaultlibs isn't specified.
7700         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7701         posix thread support.
7703 2006-10-15  Jan Hubicka  <jh@suse.cz>
7705         PR middle-end/29241
7706         * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7707         declared always_inline even when not inlining.
7709 2006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
7710             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7711             Andrew Pinski  <pinskia@gmail.com>
7713         PR middle-end/29111
7714         * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7716 2006-10-15  Jan Hubicka  <jh@suse.cz>
7717             Richard Guenther  <rguenther@suse.de>
7719         PR middle-end/29299
7720         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7721         process_function_and_variable_attributes on all variables, including
7722         those discovered during cgraph construction phase.
7724 2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>
7726         * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7728 2006-10-14  Uros Bizjak  <uros@kss-loka.si>
7730         * config/i386/athlon.md (athlon_fist): Add fisttp.
7732 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
7733             Ian Lance Taylor  <ian@airs.com>
7735         PR middle-end/29250
7736         * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7737         CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7738         recursing.
7740 2006-10-14  Kazu Hirata  <kazu@codesourcery.com>
7742         * config/score/score.c, config/score/score.h: Fix comment
7743         typos.
7745 2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7747         PR bootstrap/29402
7748         * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7749         shell pipeline.
7751 2006-10-13  Eric Christopher  <echristo@apple.com>
7753         * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7755 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
7757         Revert this change:
7758         2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
7759         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7760         alignment supported by 32-bit ELF.
7762 2006-10-13  Eric Christopher  <echristo@apple.com>
7764         * config/darwin.c (darwin_emit_unwind_label): Strip
7765         name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7767 2006-10-13  Richard Guenther  <rguenther@suse.de>
7769         PR tree-optimization/29446
7770         * tree-vrp.c (fix_equivalence_set): Remove.
7771         (extract_range_from_assert): Do not call fix_equivalence_set.
7772         (debug_value_range): Print a newline.
7773         (compare_name_with_value): For equivalence sets with
7774         inconsistent value ranges conservatively bail out.
7775         (compare_names): Likewise.
7777 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
7779         * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7780         and MPFR for gfortran.
7782 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
7784         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7785         alignment supported by 32-bit ELF.
7787 2006-10-13  Paolo Bonzini  <bonzini@gnu.org>
7789         PR c/29092
7791         * c-typeck.c (digest_init): Always allow initializing vectors
7792         that have static storage duration with compound literals.
7793         * tree.c (build_type_attribute_qual_variant): New, based on
7794         build_type_attribute_variant.
7795         (build_type_attribute_variant): Rewrite using the former.
7796         (make_vector_type): Use build_type_attribute_qual_variant to build
7797         type variants.  Use type_hash_canon on the others.
7799 2006-10-13  Daniel Berlin <dberlin@dberlin.org>
7800             Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>
7802         * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7804 2006-10-12  Jan Hubicka  <jh@suse.cz>
7806         PR c/28419
7807         * c-decl.c (c_make_fname_decl): Do not segfault in case where
7808         current_function_decl is set but current_function_scope is not.
7810 2006-10-12  Jie Zhang  <jie.zhang@analog.com>
7812         * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7813         emit_insn to emit eh_return_internal instruction.
7814         (eh_return_internal): Explicitly set pc.
7816 2006-10-11  Richard Guenther  <rguenther@suse.de>
7818         PR tree-optimization/28230
7819         * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7820         to the correct place.
7822 2006-10-11  Richard Guenther  <rguenther@suse.de>
7824         PR inline-asm/29119
7825         * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7826         addressable.
7828 2006-10-10  Brooks Moses  <bmoses@stanford.edu>
7830         * configure.ac: Added pdf to "Make-hooks"
7831         * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7832         targets and *.pdf file patterns in cleanup targets.
7833         * configure: Regenerated.
7835 2006-10-10  Anatoly Sokolov <aesok@post.ru>
7837         * config/avr/predicates.md: New file.
7838         * config/avr/avr.md: Include it.
7839         (REG_SP): New constant.
7840         (peepholes): Use predicates.
7841         (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7842         difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
7843         sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7845 2006-10-10  Adam Nemet  <anemet@caviumnetworks.com>
7847         * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7848         avoid alias set 0.
7850 2006-10-10  Jakub Jelinek  <jakub@redhat.com>
7852         PR middle-end/29272
7853         * builtins.c (var_decl_component_p): New function.
7854         (fold_builtin_memset, fold_builtin_memory_op): Restrict
7855         single entry optimization to variables and components thereof.
7857 2006-10-10  Richard Guenther  <rguenther@suse.de>
7859         PR rtl-optimization/29323
7860         * except.c (set_nothrow_function_flags): For functions
7861         that do not bind local bail out early.
7863 2006-10-10  Ben Elliston  <bje@au.ibm.com>
7865         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7866         -mdlmzb option.
7868 2006-10-09  Richard Henderson  <rth@redhat.com>
7870         Revert emutls patch.
7872 2006-10-09  Richard Guenther  <rguenther@suse.de>
7874         PR middle-end/29254
7875         * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7876         errors.
7878 2006-10-09  Steve Ellcey  <sje@cup.hp.com>
7880         PR target/27880
7881         * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7882         * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7883         * configure: Regenerate.
7884         * config.in: Regenerate.
7886 2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
7888         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7890 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
7892         * config/mips/mips.c (mips_legitimize_tls_address): Implement
7893         all TLS models in the same way as local exec if !TARGET_ABICALLS.
7894         Remove stray newline.
7896 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
7898         * config/mips/mips.c (mips_classify_symbol): Do not return
7899         SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7900         (mips_in_small_data_p): Tweak comments.
7902 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
7904         * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7906 2006-10-07  Kazu Hirata  <kazu@codesourcery.com>
7908         * gimplify.c, sched-int.h: Fix comment typos.
7910         * sched-int.h: Fix comment typos.
7912 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7914         * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7915         New macros.
7916         * sched-ebb.c (begin_schedule_ready): Use them.
7917         * haifa-sched.c (schedule_insn, move_insn, try_ready,
7918         add_to_speculative_block, create_check_block_twin, speculate_insn,
7919         fix_jump_move, move_block_after_check): Ditto.
7920         * sched-rgn.c (new_ready): Ditto.
7922 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7924         PR rtl-optimization/29128
7925         * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7926         * sched-ebb.c (advance_target_bb): Use it to fix condition to
7927         allow interblock movement of speculation checks.
7929 2006-10-06  Zdenek Dvorak <dvorakz@suse.cz>
7931         PR middle-end/29256
7932         * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7933         casted to integer type.
7934         (get_address_cost): Decrease cost of [symbol + index] addressing modes
7935         if they are significantly more expensive than [reg + index] ones.
7937 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
7939         PR tree-optimization/29330
7940         * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7941         (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7942         on newly allocated ddrs.
7943         (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7944         to VEC (loop_p, heap) pointer.
7945         (compute_data_dependences_for_loop): Adjust caller.
7946         (free_dependence_relations): Free DDR_LOOP_NEST.
7948         * tree-loop-linear.c (linear_transform_loops): Don't forget to
7949         free DEPENDENCE_RELATIONS and DATAREFS.
7951         PR target/28924
7952         * builtins.c (expand_builtin_sync_operation,
7953         expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7954         Use convert_to_mode to handle promoted arguments.
7956 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
7958         * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7960 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
7962         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7964 2006-10-05  Uros Bizjak  <uros@kss-loka.si>
7966         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7967         "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7968         Use <modeconstraint> instead of "r" as operand 1 constraint.
7970 2006-10-06  Olivier Hainque  <hainque@adacore.com>
7972         * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7973         Don't recurse on the pointed-to type.
7974         * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7975         DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7976         types with components of variable size.
7978 2006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
7980         * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7982 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
7984         PR tree-optimization/29290
7985         * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7986         multiple exits.
7988         PR target/29198
7989         * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7990         * config/i386/predicates.md (local_symbolic_operand): Likewise.
7992         PR c/29091
7993         * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7994         the number of vector elements fill the rest with zeros.
7996 2006-10-05  Richard Sandiford  <richard@codesourcery.com>
7998         * config/mips/mips.c (mips_pass_by_reference): Do not return false
7999         for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
8000         instead.
8002 2006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8004         * config/bfin/bfin.md (subsi3): Lose expander, change previously
8005         unnamed pattern into subsi3.  Use correct constraints/predicates.
8006         * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8007         * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8009 2006-10-05  Ira Rosen  <irar@il.ibm.com>
8011         * doc/loop.texi: Add data references analysis description.
8013 2006-10-04  Brooks Moses  <bmoses@stanford.edu>
8015         * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8017 2006-10-04  Richard Henderson  <rth@redhat.com>
8018             Jakub Jelinek  <jakub@redhat.com>
8020         * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8021         * builtin-types.def (BT_WORD): Make unsigned.
8022         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8023         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8024         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8025         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8026         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8027         * cgraph.c (decide_is_variable_needed): Look at force_output.
8028         Recurse for emulated tls.
8029         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8030         checks redundant with decide_is_variable_needed.
8031         (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8032         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8033         emulated tls.
8034         * expr.c (emutls_var_address): New.
8035         (expand_expr_real_1): Expand emulated tls.
8036         (expand_expr_addr_expr_1): Likewise.
8037         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8038         * output.h (emutls_finish): Declare.
8039         * toplev.c (compile_file): Call it.
8040         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8041         address before wrapping in CONST.
8042         * varasm.c (emutls_htab, emutls_object_type): New.
8043         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8044         (get_emutls_object_name, get_emutls_object_type): New.
8045         (get_emutls_init_templ_addr, emutls_decl): New.
8046         (emutls_common_1, emutls_finish): New.
8047         (assemble_variable): When emulating tls, swap decls; generate
8048         constructor for the emutls objects.
8049         (do_assemble_alias): When emulating tls, swap decl and target name.
8050         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8051         for emulated tls.
8052         * emutls.c: New file.
8053         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8054         tls_object for real tls.
8056 2006-10-04  Zack Weinberg  <zackw@panix.com>
8058         Fix bug in constraint-check generator, reported by Rask Ingemann
8059         Lambertsen:
8060         * genpreds.c (add_constraint): Don't remove anything from the
8061         expression here.
8062         (write_tm_constrs_h): Detect whether "op" argument is used, and
8063         mark it ARG_UNUSED if it isn't.
8064         (write_insn_const_int_ok_for_constraint): Skip the part of the
8065         expression that would test whether "op" (which is not available
8066         here) is a CONST_INT.
8068 2006-10-04  Ryan Mansfield  <rmansfield@qnx.com>
8070         PR c++/28448
8071         * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8073 2006-10-03  Geoffrey Keating  <geoffk@apple.com>
8075         * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8076         current Leopard versions.
8077         * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8079 2006-10-03  Kazu Hirata  <kazu@codesourcery.com>
8081         * doc/install.texi: Fix typos.
8083 2006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8085         * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8086         * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8087         * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8089 2006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>
8091         * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8092         arg to be struct mach_header_64* instead.
8094 2006-10-02  Jakub Jelinek  <jakub@redhat.com>
8096         PR c/29154
8097         * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8098         side effects after the outer expression's post side effects.
8100 2006-10-01  Sandra Loosemore  <sandra@codesourcery.com>
8102         * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
8103         comments to reflect actual behavior and relationship between
8104         DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8106         * doc/c-tree.texi (Working with declarations): Fix documentation
8107         of FIELD_DECL likewise.
8109 2006-10-01  Ryan Mansfield  <rmansfield@qnx.com>
8111         PR c/20533
8112         * doc/extend.texi: Add used variable attribute description.
8114 2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
8116         PR c/24010
8117         * c.opt (Woverride-init): New.
8118         * c-opts.c (c_common_post_options): Default warn_override_init to
8119         extra_warnings.
8120         * c-typeck.c (add_pending_init, output_init_element): Warn for
8121         overriding initializers without side effects.
8122         * doc/invoke.texi (-Woverride-init): Document.
8123         (-Wextra): Update.
8125 2006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
8127         PR rtl-optimization/28096
8128         * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8129         assignment has already been used as a destination earlier in the block.
8131 2006-09-29  Eric Botcazou  <ebotcazou@adacore.com>
8133         * builtins.c (expand_builtin_setjmp): Delete.
8134         (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8135         <BUILT_IN_SETJMP_SETUP>: New case.
8136         <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8137         <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8138         * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8139         (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8140         (BUILT_IN_SETJMP_RECEIVER): Likewise.
8141         * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8142         (lower_function_body): Initialize it to false.  If it is set to true
8143         at the end of the processing, emit the setjmp dispatcher.
8144         (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8145         is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8146         <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8147         on the rhs of the assignment.
8148         (lower_builtin_setjmp): New function.
8149         * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8150         BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8151         * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8152         to detect calls that can go to non-local labels.  Use specific
8153         helper to create the abnormal edges associated with them.
8154         <MODIFY_EXPR>: Likewise.
8155         (make_abnormal_goto_edges): New function extracted from...
8156         (make_goto_expr_edges): ...here.  Call it for computed gotos.
8157         (simple_goto_p): Minor tweak.
8158         (tree_can_make_abnormal_goto): New predicate.
8159         (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8160         (tree_purge_dead_abnormal_call_edges): New function.
8161         * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8162         (tree_purge_dead_abnormal_call_edges): Likewise.
8163         (make_abnormal_goto_edges): Likewise.
8164         * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8165         Purge all dead abnormal edges if the call was in the last statement.
8166         * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8167         (execute_fixup_cfg): If there are non-local labels in the function,
8168         scan the basic blocks and split them at calls that can go to non-local
8169         labels or add missing abnormal call edges.  Write down the CFG in the
8170         dump file.
8171         (pass_fixup_cfg): Remove TODO_dump_func flag.
8172         * unwind-sjlj.c: Poison setjmp.
8173         * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8174         * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8175         (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8176         (DONT_USE_BUILTIN_SETJMP): Document it.
8178 2006-09-28  Geoffrey Keating  <geoffk@apple.com>
8180         PR target/28617
8181         * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8182         to 1 when __ppc64__ is defined.
8183         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8184         darwin-64.c.
8185         * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8187 2006-09-28  Steve Ellcey  <sje@cup.hp.com>
8189         * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8190         * config/ia64/unwind-hpux.c: Delete.
8192 2006-09-28  Eric Botcazou  <ebotcazou@adacore.com>
8194         * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8195         on the element before gimplifying it, instead of punting if it is of
8196         variable size.
8198 2006-09-28  Zdenek Dvorak <dvorakz@suse.cz>
8200         * doc/loop.texi: New file.
8201         * doc/gccint.texi: Reference loop.texi.
8202         * Makefile.in (loop.texi): Add.
8204 2006-09-27  Geoffrey Keating  <geoffk@apple.com>
8206         * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8207         __sysctl.
8208         * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8209         * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8211 2006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8213         * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8215 2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
8217         * doc/install.texi: Document required versions of GMP and MPFR.
8219 2006-09-27  Paul Brook  <paul@codesourcery.com>
8221         PR target/29230
8222         * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8224 2006-09-27  Richard Sandiford  <richard@codesourcery.com>
8226         * reload1.c (alter_reg): Require the alignment of the stack slot to
8227         be at least reg_max_ref_width bytes.
8228         (scan_paradoxical_subregs): Record the largest width in
8229         reg_max_ref_width.
8231 2006-09-26  Jakub Jelinek  <jakub@redhat.com>
8233         PR middle-end/25261
8234         PR middle-end/28790
8235         * tree-nested.c (struct nesting_info): Added static_chain_added.
8236         (convert_call_expr): Set static_chain_added when adding static
8237         chain.  Handle OMP_PARALLEL and OMP_SECTION.
8239 2006-09-25  Matthias Klose  <doko@debian.org>
8241         * doc/invoke.texi: Add missing full stop.
8243 2006-09-25  Richard Henderson  <rth@redhat.com>
8245         * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8246         before cgraph_function_flags_ready.
8248 2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
8249             Adam Nemet  <anemet@caviumnetworks.com>
8251         * tree-ssa-loop-ivopts.c (aff_combination_convert,
8252         determine_common_wider_type): New functions.
8253         (get_computation_aff): Use them to simplify arithmetic between
8254         UBASE and CBASE if they are shortened from the same type.
8256 2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
8258         PR target/28911
8259         * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8260         -2147483647 - 1 instead of 0x80000000.
8262 2006-09-23  Revital1 Eres  <ERES@il.ibm.com>
8264         * flags.h (HONOR_NANS): Fix typo in comment.
8266 2006-09-23  Uros Bizjak <uros@kss-loka.si>
8268         * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8270 2006-09-23  Jakub Jelinek  <jakub@redhat.com>
8272         PR c/28706
8273         PR c/28712
8274         * tree.c (merge_attributes, attribute_list_contained): If both
8275         TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8276         simple_cst_equal.
8277         * c-typeck.c (comptypes_internal): Don't consider aggregates
8278         in different TUs as compatible if there one set of attributes is
8279         not a subset of the other type's attributes.
8280         (composite_type): Try harder not to create a new aggregate type.
8282 2006-09-22  Geoffrey Keating  <geoffk@apple.com>
8284         * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8285         * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8286         or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
8287         (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8288         than replicating condition above.
8289         * config.host (i[34567]86-*-*): Always use driver-i386.o.
8291         * config/darwin.h (LINK_SYSROOT_SPEC): New.
8292         (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8293         the linker by default.
8295 2006-09-22  Mike Stump  <mrs@apple.com>
8297         * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8298         code.
8300 2006-09-22  Richard Guenther  <rguenther@suse.de>
8302         PR middle-end/28964
8303         * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8304         sort of stack variables stable.
8306 2006-09-22  Peter Bergner <bergner@vnet.ibm.com>
8308         PR middle-end/28690
8309         * explow.c (force_reg): Set REG_POINTER flag according to
8310         MEM_POINTER flag.
8312 2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
8314         PR tree-optimization/28888
8315         * tree-if-conv.c (combine_blocks): Rewritten.
8316         * tree-cfg.c (tree_verify_flow_info): Check that edges with
8317         EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8319 2006-09-22  Jakub Jelinek  <jakub@redhat.com>
8321         * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8322         needed.
8324 2006-09-21  Richard Sandiford  <richard@codesourcery.com>
8326         * varasm.c (copy_constant): Fix reversed gcc_assert check.
8328 2006-09-21  Janis Johnson  <janis187@us.ibm.com>
8330         * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8332 2006-09-21  Roger Sayle  <roger@eyesopen.com>
8334         PR debug/29132
8335         * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8336         dw_fde_current_label, to be the start of the function, i.e. the same
8337         value as dw_fde_begin.
8339 2006-09-20  Richard Sandiford  <richard@codesourcery.com>
8341         * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8342         * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8343         (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8344         (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8345         (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8346         (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8347         (abs<mode>2, neg<mode>2): Likewise.
8348         * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8349         (*mips_abs_ps): New define_insn.
8351 2006-09-20  Josh Conner  <jconner@apple.com>
8353         PR middle-end/25505
8354         * calls.c (expand_call): Allow reuse of structure return stack
8355         temp.
8357 2006-09-20  Paul Brook  <paul@codesourcery.com>
8359         * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8360         positive offsets.
8362 2006-09-20  Janis Johnson  <janis187@us.ibm.com>
8364         * doc/extend.texi (Decimal Float): Update for latest draft TR,
8365         clean up terminology.
8367 2006-09-20  Steve Ellcey  <sje@cup.hp.com>
8369         PR target/28574
8370         * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8371         with tablejumps in them.
8373 2006-09-20  Jakub Jelinek  <jakub@redhat.com>
8375         PR middle-end/28046
8376         * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8377         wrap it into TARGET_EXPR.
8379 2006-09-20  Eric Christopher  <echristo@apple.com>
8381         * config/i386/i386.c (x86_fisttp): Remove.
8382         * config/i386/i386.h (x86_fisttp): Ditto.
8383         (TARGET_FISTTP): Ditto.
8385 2006-09-19  Eric Christopher  <echristo@apple.com>
8387         * doc/tm.texi (OBJC_JBLEN): Describe.
8388         * config/i386/darwin.h (OBJC_JBLEN): Define.
8389         * config/rs6000/darwin.h: Ditto.
8391 2006-09-19  Steven Bosscher  <steven@gcc.gnu.org>
8393         PR rtl-optimization/21299
8394         * reload1.c (reload): Purge invalid ASMs in the final pass.
8396 2006-09-19  Steve Ellcey  <sje@cup.hp.com>
8398         PR  28490
8399         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8400         pointers as legitimate constants.
8402 2006-09-19  Paul Brook  <paul@codesourcery.com>
8404         PR target/28516
8405         * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8407 2006-09-17  Zdenek Dvorak <dvorakz@suse.cz>
8409         PR tree-optimization/28887
8410         * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8411         component parts from the reference.
8412         (gather_memory_references_ref): Record the reference without the
8413         nonaddressable component parts.
8415 2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>
8417         PR c/25993
8418         * c-opts.c (c_common_handle_option): Ignore the -std options
8419         if the input language is assembly.
8421 2006-09-17  Ira Rosen  <irar@il.ibm.com>
8423         PR tree-opt/21591
8424         * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8425         tag first.
8426         (ptr_ptr_may_alias_p): Likewise.
8427         (record_record_differ_p): New function.
8428         (base_object_differ_p): Call record_record_differ_p.
8430 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
8432         PR tree-opt/29059
8433         * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8434         away for the expr argument.
8436 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
8438         PR tree-opt/27742
8439         * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8440         before using it for dumping after vectorizing loops.
8442 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
8443             Jack Howarth  <howarth@bromo.med.uc.edu>
8445         PR target/29030
8446         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8447         skip on error_mark_node.
8448         (rs6000_darwin64_record_arg_recurse): Likewise.
8450 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
8452         * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8453         * doc/rtl.texi: Remove related documentation.
8455 2006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>
8457         * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8458         printf.
8460 2006-09-15  Jim Wilson  <wilson@specifix.com>
8462         * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8463         Handle symbol offsets same as they are handled in ia64_expand_move
8464         and move_operand.
8466 2006-09-16  Andreas Tobler  <a.tobler@schweiz.org>
8468         * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8469         Add forgotten parameter to the fprintf call.
8471 2006-09-15  Steve Ellcey  <sje@cup.hp.com>
8473         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8475 2006-09-15  Uros Bizjak <uros@kss-loka.si>
8477         * doc/contrib.texi: Add my entry.
8479 2006-09-15  Nick Clifton  <nickc@redhat.com>
8481         * doc/md.texi (Processor pipeline description): Fix typo in
8482         example of how to use the absence_set directive and reword the
8483         description to make it slightly easier to read.
8485 2006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>
8487         * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8488         * loop-doloop.c (doloop_optimize): Use it to limit costs of
8489         expanding the number of iterations.
8490         * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8492         * cfgrtl.c (emit_insn_at_entry): New function.
8493         * rtl.h (emit_insn_at_entry): Declare it.
8494         * integrate.c (emit_initial_value_sets): Use it.
8496         * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8498         * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8499         bad.
8500         (struct loop_work and related VEC declarations): Delete.
8501         (bfin_dump_loops): Print out new member bad.
8502         (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
8503         (bfin_scan_loop): Don't recurse.
8504         (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8505         loops.  No longer need to update outer loops if the current one is
8506         found bad.  Move some validitiy checks to bfin_discover_loop.
8507         (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8508         but changed not to check for nesting.  Also changed to use the new bad
8509         flag.
8510         (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8511         time.  Use bitmap based test to discover loop nesting.
8513 2006-09-15  Kazu Hirata  <kazu@codesourcery.com>
8515         * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8516         one line.
8518 2006-09-14  Richard Guenther  <rguenther@suse.de>
8519             Kazu Hirata  <kazu@codesourcery.com>
8521         PR middle-end/28884.
8522         * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8523         (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8524         Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8525         with TARGET_FUNCTION_VALUE.
8527 2006-09-14  Anatoly Sokolov <aesok@post.ru>
8529         PR target/26504
8530         * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8532 2006-09-13  Aldy Hernandez  <aldyh@redhat.com>
8534         * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8535         of a RETURN_EXPR
8537 2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
8539         PR debug/28980
8540         * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8541         FUNCTION_DECL.
8543 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8545         * basic_block.h (bb_has_eh_pred): Fix comment.
8547 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8549         * flow.c (calculate_global_regs_live): Invalidate eh registers
8550         on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8551         (propagate_block): Handle eh registers as if they were set at basic
8552         block start.
8553         * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8554         registers.
8555         * global.c (global_conflicts): Make eh registers to conflict with
8556         pseudos live at basic block begin.
8557         * basic_block.h (bb_has_eh_pred): New function.
8559 2006-09-13  Richard Sandiford  <richard@codesourcery.com>
8561         PR rtl-optimization/28982
8562         * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8563         index of a PRE_MODIFY or POST_MODIFY address.
8564         * reload1.c (inc_for_reload): Use find_replacement on the original
8565         base and index registers.
8567 2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>
8569         * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8570         for -Os. Update __m128 alignment requirement.
8572 2006-09-13  Jan Hubicka  <jh@suse.cz>
8574         * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8576 2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8578         PR rtl-optimization/28243
8579         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8580         the insn to which the note was originally attached.
8582 2006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
8583             Roger Sayle  <roger@eyesopen.com>
8585         * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8586         outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8587         on platforms that don't use dwarf for debug info.
8589 2006-09-12  Jason Merrill  <jason@redhat.com>
8591         PR middle-end/28493
8592         * builtins.c (expand_builtin_setjmp_receiver): Clobber
8593         hard_frame_pointer_rtx after using it to update the frame pointer.
8595 2006-09-12  Roger Sayle  <roger@eyesopen.com>
8597         * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8598         (TARGET_ASM_CLOSE_PAREN): Likewise.
8599         * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8600         (TARGET_ASM_CLOSE_PAREN): Likewise.
8602 2006-09-12  Roger Sayle  <roger@eyesopen.com>
8604         PR target/22223
8605         * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8606         frame information for frames larger than 512 Kbytes on Tru64 when
8607         using the native assembler.
8609 2006-09-12  Roger Sayle  <roger@eyesopen.com>
8611         PR middle-end/4520
8612         PR bootstrap/28784
8613         * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8614         and symbols.  Instead use the implementation from cse.c's hash_rtx.
8616 2006-09-12  Jan Hubicka  <jh@suse.cz>
8618         PR rtl-optimization/28071
8619         * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8620         (vect_transform_loop): Likewise.
8621         * tree-vectorizer.c (new_loop_vec_info): Likewise.
8622         (new_loop_vec_info): Likewise.
8623         (destroy_loop_vec_info): Likewise.
8624         * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8625         (create_stmt_ann): Likewise.
8626         (create_tree_ann): Rename to ...
8627         (create_tree_common_ann): ... this one; allocate only the common part
8628         of annotations.
8629         * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8630         (get_value_handle): Likewise.
8631         * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8632         get_tree_common_ann.
8633         * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8634         (vinfo_for_stmt): Use stmt annotations.
8635         * tree-flow.h (tree_ann_common_t): New type.
8636         (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8637         (tree_ann, get_tree_ann, create_tree_ann): New.
8638         * tree-flow-inline.h (get_function_ann): Do more type checking.
8639         (stmt_ann): Likewise.
8640         (tree_ann): Rename to ...
8641         (tree_common_ann): ... this one; return ony common_ann
8642         (get_tree_ann): Rename to ...
8643         (tree_common_ann): This one; return only common_ann.
8644         * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8645         of set_stmt_info.
8647 2006-09-11  Geoffrey Keating  <geoffk@apple.com>
8649         * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8650         with_cpu by default.
8652         * dwarf2out.c (dwarf_file_data): New.
8653         (enum dw_val_class): Add dw_val_class_file.
8654         (struct dw_val_struct): Add val_file.
8655         (file_table): Change to a hash table.
8656         (file_table_emitted): Delete.
8657         (file_table_last_lookup_index): Delete.
8658         (emitcount): Delete.
8659         (last_emitted_file): New.
8660         (lookup_filename): Change prototype to return a struct dwarf_file_data.
8661         (init_file_table): Delete.
8662         (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8663         (AT_addr): Add comment.
8664         (add_AT_file): New.
8665         (AT_file): New.
8666         (get_AT_file): New.
8667         (print_die): Handle dw_val_class_file.
8668         (print_dwarf_line_table): Update for new file table structure.
8669         (attr_checksum): Do checksum a filename.
8670         (same_dw_val_p, same_attr_p): Do compare a filename.
8671         (size_of_die): Handle dw_val_class_file.
8672         (value_format): Likewise.
8673         (output_die): Likewise.  Also, call maybe_emit_file here.
8674         (struct file_info): Constify filenames.  Make file_idx a pointer
8675         to a struct dwarf_file_data.
8676         (struct dir_info): Constify directory names.  Remove 'used' field.
8677         (struct file_name_acquire_data): New.
8678         (file_name_acquire): New.
8679         (output_file_names): Modify to handle new file data structures.
8680         (add_src_coords_attributes): Use add_AT_file.
8681         (add_call_src_coords_attributes): Likewise.
8682         (dwarf2out_imported_module_or_decl): Likewise.
8683         (gen_subprogram_die): Modify for new file data structures.
8684         (gen_variable_die): Likewise.
8685         (file_table_eq): New.
8686         (file_table_hash): New.
8687         (file_table_last_lookup): New.
8688         (lookup_filename): Rewrite to handle new file data structures.
8689         (maybe_emit_file): Rewrite to handle new file data structures.
8690         (dwarf2out_source_line): Always call lookup_filename and
8691         maybe_emit_file.
8692         (dwarf2out_init): Create file_table here.
8693         (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8694         (file_table_relative_p): New.
8695         (dwarf2out_finish): Change detection of relative filenames
8696         to work with new file data structures.  Move output_line_info call
8697         after debug_info output.
8699 2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>
8701         PR target/13685
8702         PR target/27537
8703         PR target/28621
8704         * config/i386/i386.c (override_options): Always default to 16
8705         byte stack boundary.
8707 2006-09-11  Alexandre Oliva  <aoliva@redhat.com>
8709         PR target/28672
8710         * var-tracking.c (dump_dataflow_set): Start dumping at
8711         register zero.
8712         (clobber_variable_part): Kill only the variable part in
8713         registers holding it, leaving other variables alone.
8715 2006-09-11  Josh Triplett  <josh@freedesktop.org>
8717         * doc/extend.texi (Other Builtins): Actually use the macro
8718         argument in the documentation example for
8719         __builtin_types_compatible_p.
8721 2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
8723         PR rtl-optimization/28726
8724         * sched-deps.c (sched_analyze_reg): New function extracted from...
8725         (sched_analyze_1): ...here.  Call it to analyze references to
8726         registers.  Treat again writes to a stack register as writing to the
8727         register.
8728         (sched_analyze_2): ...and here.  Call it to analyze references to
8729         registers.  Treat again reads of a stack register as reading the
8730         register.
8732 2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
8733             David Edelsohn  <edelsohn@gnu.org>
8735         PR target/27287
8736         * config/rs6000/spe.md (frob_df_di): Remove %H.
8737         (frob_di_df): Remove %H.  Change evmergelo to mr.
8738         (frob_di_df_2): Remove %H.  Change evldd to two loads.
8740 2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>
8742         * doc/cpp.texi: Fix names of charset options.
8744 2006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>
8746         PR target/29009
8747         * config/i386/i386.c (override_options): Use 128-bit
8748         stack boundary always for 64bits.
8750 2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
8752         PR rtl-optimization/28636
8753         * combine.c (force_to_mode): Test for side-effects before
8754         substituting by zero.
8755         (simplify_shift_const): Likewise for zero or other constants.
8757 2006-09-10  Steven Bosscher  <steven@gcc.gnu.org>
8759         PR middle-end/26983
8760         * builtins.c (expand_builtin_setjmp): Force next_lab to be
8761         preserved.
8763 2006-09-10  Richard Sandiford  <richard@codesourcery.com>
8765         PR target/29006
8766         * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8767         * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8768         returned by mode_for_size, rather than the mode of src itself,
8769         to choose between 32-bit and 64-bit patterns.
8770         (mips_mem_fits_mode_p): New function.
8771         * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8772         that the size of the source matches the size of the destination.
8773         (mov_<store>l, mov_<store>r): Likewise.
8775 2006-09-10  Eric Christopher  <echristo@apple.com>
8777         * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8778         for literal16.
8780 2006-09-09  Eric Christopher  <echristo@apple.com>
8782         PR target/28995
8783         * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8784         for literal16.
8786 2006-09-09  Roger Sayle  <roger@eyesopen.com>
8787             Nicolas Setton <setton@adacore.com>
8789         * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8791 2006-09-10  Andreas Schwab  <schwab@suse.de>
8793         * config/m68k/m68k.md (bungt_rev): New pattern.
8795 2006-09-09  Paolo Bonzini  <bonzini@gnu.org>
8796             Dale Johannesen  <dalej@apple.com>
8798         PR target/26778
8799         * regclass.c (struct reg_pref): Update documentation.
8800         (regclass): Set prefclass to NO_REGS if memory is the best option.
8801         (record_reg_classes): Cope with a prefclass set to NO_REGS.
8803 2006-09-08  Eric Christopher  <echristo@apple.com>
8805         * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8806         * config/t-slibgcc-darwin: Support x86_64 multilib.
8807         * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8808         Return 1 for x86_64-darwin.
8809         * config/i386/t-darwin: Add m64 multilib.
8810         (LIB2_SIDITI_CONV_FUNCS): Use.
8811         (LIB2FUNCS_EXTRA): Ditto.
8812         * config/i386/darwin.h: Support x86_64.
8813         * config/i386/i386.c (override_options): Turn on flag_pic
8814         for x86_64-darwin. Disable flag_omit_pointer.
8815         (get_pc_thunk_name): Assert !TARGET_64BIT.
8816         (legitimate_address_p): Disable machopic addressing for
8817         x86_64.
8818         (legitimize_pic_address): Ditto.
8819         (ix86_expand_move): Ditto.
8820         (ix86_expand_call): Ditto.
8821         (machopic_output_stub): Ditto.
8822         * config/darwin.c (machopic_select_section): Support literal16.
8823         (machopic_select_rtx_section): Ditto.
8824         * config/darwin-sections.def: Ditto.
8825         * config/darwin-64.c: New.
8827 2006-09-08  Joseph S. Myers  <joseph@codesourcery.com>
8829         PR c/28504
8830         * c-tree.h (struct c_arg_info): Add pending_sizes.
8831         * c-parser.c (c_parser_parms_declarator,
8832         c_parser_parms_list_declarator): Initialize pending_sizes.
8833         * c-decl.c (get_parm_info): Initialize pending_sizes.
8834         (get_parm_info): Set pending_sizes.
8835         (grokdeclarator): Call put_pending_sizes for parameters for
8836         function definition only.
8838 2006-09-07  Jason Merrill  <jason@redhat.com>
8840         PR middle-end/27724
8841         * varasm.c (output_constant): Only strip actual no-op conversions.
8843         PR target/13685
8844         * config/i386/i386.c (override_options): Use 128-bit
8845         stack boundary if -msse.
8847 2006-09-07  Eric Christopher  <echristo@apple.com>
8849         * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8850         comment.
8851         * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8852         Redefine.
8854 2006-09-07  Geoffrey Keating  <geoffk@apple.com>
8856         * dwarf2out.c: Remove strange characters from comment above
8857         dwarf2out_frame_debug_expr.
8859 2006-09-07  Eric Christopher  <echristo@apple.com>
8861         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8862         * config/darwin.h: ... to here.
8864 2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
8866         * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8868         * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8869         (TARGET_PARTIAL_FLAG_REG_STALL): New.
8871         * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8872         TARGET_PARTIAL_FLAG_REG_STALL.
8873         (*ashldi3_cconly_rex64): Likewise.
8874         (*ashlsi3_cmp): Likewise.
8875         (*ashlsi3_cconly): Likewise.
8876         (*ashlsi3_cmp_zext): Likewise.
8877         (*ashlhi3_cmp): Likewise.
8878         (*ashlhi3_cconly): Likewise.
8879         (*ashlqi3_cmp): Likewise.
8880         (*ashlqi3_cconly): Likewise.
8881         (*ashrdi3_cmp_rex64): Likewise.
8882         (*ashrdi3_cconly_rex64): Likewise.
8883         (*ashrsi3_cmp): Likewise.
8884         (*ashrsi3_cconly): Likewise.
8885         (*ashrsi3_cmp_zext): Likewise.
8886         (*ashrhi3_cmp): Likewise.
8887         (*ashrhi3_cconly): Likewise.
8888         (*ashrqi3_cmp): Likewise.
8889         (*ashrqi3_cconly): Likewise.
8890         (*lshrdi3_cmp_rex64): Likewise.
8891         (*lshrdi3_cconly_rex64): Likewise.
8892         (*lshrsi3_cmp): Likewise.
8893         (*lshrsi3_cconly): Likewise.
8894         (*lshrsi3_cmp_zext): Likewise.
8895         (*lshrhi3_cmp): Likewise.
8896         (*lshrhi3_cconly): Likewise.
8897         (*lshrqi2_cmp): Likewise.
8898         (*lshrqi2_cconly): Likewise.
8900 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8902         PR target/28946
8903         * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8904         "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8905         "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8906         "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8907         "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8908         "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8909         "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8910         "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8911         "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8912         implement only CC setting effects of shift instructions.
8914 2006-09-07  Martin Michlmayr  <tbm@cyrius.com>
8916         * doc/contrib.texi: Add myself.
8918 2006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>
8920         PR middle-end/28862
8921         * stor-layout.c (relayout_decl): Don't zero the alignment if it
8922         was set by the user.
8924 2006-09-07  Paolo Bonzini  <bonzini@gnu.org>
8926         PR target/27117
8927         * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8928         (divsi_inv_m1): Use them.
8929         (UNSPEC_DIV_INV_TABLE): New constant.
8931 2006-09-06  James E Wilson  <wilson@specifix.com>
8933         PR rtl-opt/27883
8934         * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8935         then call count_or_remove_death_notes.
8937 2006-09-06  Jason Merrill  <jason@redhat.com>
8939         PR c++/27371
8940         * tree-inline.c (copy_result_decl_to_var): New fn.
8941         (declare_return_variable): Use it.  Call declare_inline_vars here.
8942         (expand_call_inline): Not here.
8944 2006-09-06  Diego Novillo  <dnovillo@redhat.com>
8946         * doc/contrib.texi: Update my entry.
8948 2006-09-06  Nick Clifton  <nickc@redhat.com>
8950         * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8952 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
8954         PR tree-opt/28937
8955         * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8956         (canonicalize_induction_variables): Likewise.
8957         (tree_unroll_loops_completely): Likewise.
8958         (tree_ssa_prefetch_arrays): Likewise.
8959         (remove_empty_loops): Likewise.
8960         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8961         TODO_cleanup_cfg instead of directly calling
8962         cleanup_tree_cfg_loop.
8963         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8964         Likewise.
8965         (tree_unroll_loops_completely): Likewise.
8966         (remove_empty_loops): Likewise.
8967         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8968         * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8969         of tree_ssa_unswitch_loops.
8970         (tree_ssa_loop_ivcanon): Use the return value of
8971         canonicalize_induction_variables.
8972         (tree_ssa_empty_loop): Use the return value of
8973         remove_empty_loops.
8974         (tree_complete_unroll): Use the return value of
8975         tree_unroll_loops_completely.
8976         (tree_ssa_loop_prefetch): Use the return value of
8977         tree_ssa_prefetch_arrays.
8978         * passes.c (execute_todo): Before Cleanup CFG, set
8979         updating_used_alone and after cleanup CFG, call
8980         recalculate_used_alone.
8982 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
8984         PR tree-opt/28952
8985         * tree-vect-transform.c (vectorizable_condition): Move the check
8986         for the type after the check for simple condition.
8988 2006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
8989             Kaz Kojima  <kkojima@gcc.gnu.org>
8991         PR target/28764
8992         * mode-switching.c (optimize_mode_switching): Make the destination
8993         block of an abnormal edge have no anticipatable mode.  Don't
8994         insert mode switching code at the end of the source block of
8995         an abnormal edge.
8997 2006-09-05  Paolo Bonzini  <bonzini@gnu.org>
8999         PR rtl-optimization/26847
9000         * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9001         (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9002         (simplify_plus_minus): Count n_constants while filling ops.  Replace
9003         qsort with insertion sort.  Before going through the array to simplify
9004         pairs, sort it.  Delay early exit until after the first sort, exiting
9005         only if no swaps occurred.  Simplify pairs in reversed order, without
9006         special-casing the first iteration.  Pack ops after simplifying pairs.
9008 2006-09-05  Anatoly Sokolov <aesok@post.ru>
9010         * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9011         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9012         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9013         (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9015 2006-09-05  Richard Guenther  <rguenther@suse.de>
9017         PR tree-optimization/28900
9018         * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9019         compound conditional before creating COND_EXPR condition.
9021 2006-09-05  Richard Guenther  <rguenther@suse.de>
9023         PR tree-optimization/28905
9024         * tree-vrp.c (fix_equivalence_set): Manually implement
9025         !value_ranges_intersect_p to also handle symbolic ranges.
9027 2006-09-05  Richard Guenther  <rguenther@suse.de>
9029         PR middle-end/28935
9030         * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9031         of a COND_EXPR.
9033 2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9035         PR rtl-optimization/27616
9036         * cse.c (table_size): New static variable.
9037         (new_basic_block): Initialize it to 0.
9038         (remove_from_table): Decrement it.
9039         (insert): Increment it.
9040         (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9041         (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
9042         fold_rtx_mem_1 if under the cap.
9043         (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9044         the lookup of the equivalent expression and test for equality of the
9045         first operand of the equivalent expression before in turn looking up
9046         an equivalent constant for the second operand.
9048 2006-09-02  Geoffrey Keating  <geoffk@apple.com>
9050         Revert this change:
9051         2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
9052         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9053         pointer, instead of assuming it is possible to derive the
9054         correct args size from a call insn.
9056 2006-09-02  Jakub Jelinek  <jakub@redhat.com>
9058         PR middle-end/27567
9059         * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9060         (fold_builtin_mempcpy): Rename to...
9061         (fold_builtin_memory_op): ... this.  Optimize one element copy
9062         into an assignment.
9063         (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9064         functions.
9065         (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9066         (expand_builtin_memcpy, expand_builtin_mempcpy,
9067         expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
9068         (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9069         BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
9070         BUILT_IN_MEM{CPY,PCPY,MOVE}.
9072 2006-09-01  DJ Delorie  <dj@redhat.com>
9074         * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9075         (stzx_16): Likewise.
9076         ("stzx_24_<mode>"): Likewise.
9077         ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9078         ("cmp<mode>_op"): New.
9079         (cmp<mode>): Change to expander; just save operands.
9080         (b<code>_op): New.
9081         (b<code>): Change to expander, emit compare here.
9082         (s<code>_op): Change to use split and expander.
9083         (s<code>_24_op): Likewise.
9084         (s<code>_<mode>): New.
9085         (s<code>_<mode>_24): New.
9086         (movqicc_<code>_<mode): New.
9087         (movhicc_<code>_<mode>): New.
9088         (s<code>): New.
9089         (s<code>_24): New.
9090         * config/m32c/m32c.c (compare_op0, compare_op1): New.
9091         (m32c_pend_compare): New.
9092         (m32c_unpend_compare): New.
9093         (m32c_expand_scc): New.
9094         (m32c_expand_movcc): Emit the compare also.
9095         * config/m32c/predicates.md (mra_nopp_operand): New.
9097 2006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
9098         Richard Guenther  <rguenther@suse.de>
9099         Adam Nemet  <anemet@caviumnetworks.com>
9101         PR middle-end/27226
9102         * builtins.c (get_pointer_alignment): Handle more forms
9103         of base addresses that can be used to derive more precise
9104         information about alignment.
9106 2006-09-01  Jason Merrill  <jason@redhat.com>
9108         PR c++/28899
9109         * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9110         want_value.
9112         * gimplify.c (voidify_wrapper_expr): Handle null type.
9114 2006-09-01  Josh Conner  <jconner@apple.com>
9116         PR c++/25505
9117         * tree-nrv.c (dest_safe_for_nrv_p): New function.
9118         (execute_return_slot_opt): Use it.
9120 2006-08-31  Josh Conner  <jconner@apple.com>
9122         PR c++/25505
9123         * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9124         returning aggregates.
9126 2006-08-31  Zdenek Dvorak <dvorakz@suse.cz>
9128         PR tree-optimization/28839
9129         * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9130         blocks in that phi arguments appear.
9132 2006-08-31  Roger Sayle  <roger@eyesopen.com>
9134         PR other/22313
9135         * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9136         NULL, otherwise use an advance_loc4 to adjust relative to the
9137         current label.
9138         (output_cfi) <DW_CFA_set_loc>: Update the current label.
9139         (dwarf2out_switch_text_section): Reset the current label to avoid
9140         using advance_loc4 over section boundaries.
9142 2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>
9144         PR target/24367
9145         * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9146         r12 + SYMBOLIC_CONST.
9148 2006-08-30  Richard Guenther  <rguenther@suse.de>
9150         * Makefile.in (see.o): Add $(EXPR_H) dependency.
9152 2006-08-30  Zdenek Dvorak <dvorakz@suse.cz>
9154         PR rtl-optimization/27735
9155         * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9156         Add new argument to keep track of whether an irreducible region
9157         was affected.  All callers changed.
9158         (fix_irreducible_loops): Removed.
9159         (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9160         flags were invalidated.
9162 2006-08-29  H.J. Lu  <hongjiu.lu@intel.com>
9164         * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9165         instead of SF operands.
9166         (*fop_df_comm_sse): Likewise.
9167         (*fop_df_comm_i387): Likewise.
9168         (*fop_df_1_mixed): Likewise.
9169         (*fop_df_1_sse): Likewise.
9171 2006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
9172             J"orn Rennecke  <joern.rennecke@st.com>
9174         PR tree-optimization/17506
9175         * tree-ssa.c (warn_uninit): If warning about a location outside of
9176         the current function, note where the variable was declared.
9178 2006-08-28  Zdenek Dvorak <dvorakz@suse.cz>
9180         PR tree-optimization/28411
9181         * double-int.c (double_int_div): Use double_int_divmod.
9182         (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9183         double_int_mod, double_int_smod, double_int_umod): New functions.
9184         * double-int.h (double_int_divmod, double_int_sdivmod,
9185         double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9186         Declare.
9187         * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9188         in double_int.
9189         (get_computation_aff, get_computation_cost_at): Handle double_int
9190         return type of constant_multiple_of.
9192 2006-08-28  Kazu Hirata  <kazu@codesourcery.com>
9194         PR middle-end/26632
9195         * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9196         an implicit conversion.
9198 2006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>
9200         * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9202 2006-08-27  Roger Sayle  <roger@eyesopen.com>
9204         * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9205         x87 instructions.
9207 2006-08-27  Kazu Hirata  <kazu@codesourcery.com>
9209         * config/i386/crtfastmath.c: Fix a comment typo.
9211 2006-08-26  Roger Sayle  <roger@eyesopen.com>
9213         * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9214         temporary visit flags on CASE_LABEL_EXPRs.
9215         * c-common.c (match_case_to_enum): Add function comment.  Avoid
9216         O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9217         (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
9218         CASE_HIGH_SEEN for enumerated types.  If the switch expression is
9219         a constant, only warn if that constant value isn't handled.
9221 2006-08-26  Joseph S. Myers  <joseph@codesourcery.com>
9223         PR c++/24009
9224         * input.h (restore_input_file_stack): Declare.
9225         (INPUT_FILE_STACK_BITS): Define.
9226         * toplev.c (fs_p, input_file_stack_history,
9227         input_file_stack_restored, restore_input_file_stack): New.
9228         (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9229         overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
9230         (pop_srcloc): Don't free old state of stack.
9232 2006-08-26  David Edelsohn  <edelsohn@gnu.org>
9234         PR target/27544
9235         * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9236         (PowerPC Type Attributes): New.
9238 2006-08-26  Bob Wilson  <bob.wilson@acm.org>
9240         * config/xtensa/xtensa.c (function_arg_boundary): New.
9241         (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9242         STACK_BOUNDARY.
9243         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9244         function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9246 2006-08-26  Jakub Jelinek  <jakub@redhat.com>
9248         PR middle-end/28683
9249         * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9250         3 following insns.
9252 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9254         * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9255         (verify_local_live_at_start): Likewise.
9257 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
9259         PR c/27893
9260         * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9261         omp_add_variable): Treat sizes as variable whenever not
9262         INTEGER_CST.
9264 2006-08-26  Richard Guenther  <rguenther@suse.de>
9266         PR middle-end/28814
9267         * fold-const.c (fold_binary): Fold temporary to correct
9268         type before constructing new comparison.
9270 2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>
9272         PR c/28418
9273         * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9274         variable again if DECL_SEEN_IN_BIND_EXPR_P.
9276 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
9278         PR c/28299
9279         * c-decl.c (start_function): Don't try to process prototype
9280         information from old declaration that isn't a function.
9282 2006-08-25  Jan Hubicka  <jh@suse.cz>
9284         PR target/28621
9285         * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9287 2006-08-25  Alan Modra  <amodra@bigpond.net.au>
9289         PR target/27075
9290         * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9291         for 8 byte objects.
9293 2006-08-25  J"orn Rennecke  <joern.rennecke@st.com>
9295         PR tree-optimization/16876
9296         * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9297         exit if PARM doesn't match VALUE.
9299 2006-08-25  Bob Wilson  <bob.wilson@acm.org>
9301         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9302         literal_prefix directive.
9303         (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9304         * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9305         * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9307 2006-08-25  David Edelsohn  <edelsohn@gnu.org>
9309         PR target/28753
9310         * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9311         predicate to general_operand.  Add 0->y and I->r alternatives.
9313 2006-08-25  Kazu Hirata  <kazu@codesourcery.com>
9315         * doc/tm.texi: Fix a typo.
9316         * predict.c: Fix comment typos.
9318 2006-08-25  Nick Clifton  <nickc@redhat.com>
9320         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9321         assertions of "cpu" and "machine".
9323 2006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>
9325         PR tree-opt/28807
9326         * tree-ssa-operands.c (access_can_touch_variable): Don't say
9327         the access through a base which has an alias set of 0 cannot
9328         touch the variable.
9330 2006-08-24  Bill Wendling  <wendling@apple.com>
9332         * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9334 2006-08-24  Jan Hubicka  <jh@suse.cz>
9336         * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9338 2006-08-24  Jan Hubicka  <jh@suse.cz>
9340         PR debug/26881
9341         * cgraph.c: Fix comments.
9342         (cgraph_varpool_mark_needed_node): Mark only variables not already
9343         output to file.
9344         * cgraphunit.c: Update comments; include gt-cgraphunit.h
9345         (cgraph_varpool_assembled_nodes_queue): New static variable.
9346         (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9347         (cgraph_varpool_output_debug_info): New function.
9348         (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9349         * Makefile.in: Add gt-cgraphunit.h
9351 2006-08-24  Jan Hubicka  <jh@suse.cz>
9353         * predict.c (probability_reliable_p): New predicate.
9354         (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9355         (predict_loops): Do not predict loop exit with less than 2%
9356         probability.
9357         * basic-block.h (edge_probability_reliable_p,
9358         br_prob_note_reliable_p): Declare.
9359         * ia64.h (ia64_print_operand): Do not disable on-chip branch
9360         prediction when static predictor is not reliable.
9361         * rs6000.c (output_cbranch): Likewise.
9363 2006-08-23  Stuart Hastings  <stuart@apple.com>
9365         PR 28825
9366         * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9367         ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9369 2006-08-21  Geoffrey Keating  <geoffk@apple.com>
9371         PR debug/28692
9372         * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9373         complex values, nor for generic vector values.
9375 2006-08-22  Richard Guenther  <rguenther@suse.de>
9377         PR middle-end/28776
9378         * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9379         parameter.  Convert arguments to arithmetic expression to the
9380         chrecs type.
9381         (analyze_scalar_evolution_1): Adjust caller.
9383 2006-08-22  Jan Hubicka  <jh@suse.cz>
9385         Patch by Paolo Bonzini
9386         * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9387         my previous patch.
9389 2006-08-22  Daniel Berlin  <dberlin@dberlin.org>
9391         PR tree-optimization/28003
9392         * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9393         before grouping aliases.
9395 2006-08-22  Roger Sayle  <roger@eyesopen.com>
9397         * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9398         if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9400 2006-08-21  Jason Merrill  <jason@redhat.com>
9402         PR c++/27115
9403         * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9404         wrapper.  Loop to handle nested wrappers.
9405         (gimplify_bind_expr): Remove temp parameter.
9406         (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9407         and STATEMENT_LIST on the rhs.
9408         (gimplify_statement_list): Voidify the STATEMENT_LIST.
9409         (gimplify_expr): Pass pre_p to gimplify_statement_list.
9410         (gimplify_target_expr): Remove special BIND_EXPR handling.
9412 2006-08-21  J"orn Rennecke  <joern.rennecke@st.com>
9414         * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9415         #if !__SHMEDIA__ .
9417 2006-08-21  Olivier Hainque  <hainque@adacore.com>
9419         * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9420         Arrange for the temporary captures of components overlapping the lhs
9421         to happen before the lhs is possibly cleared.
9423 2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>
9425         * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9426         necessary places to pass the correct "number of registers" values
9427         to _Unwind_VRS_Pop.
9429 2006-08-20  Jan Hubicka  <jh@suse.cz>
9431         * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9432         (create_name_tags): Instead of quadratic checking use hashtable.
9433         * bitmap.h: Include hashtab.h.
9434         (bitmap_hash): Declare.
9435         * bitmap.c (bitmap_hash): New function.
9437 2006-08-20  Jan Hubicka  <jh@suse.cz>
9439         PR rtl-optimization/28071
9440         * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9441         twice.
9442         * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9443         * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9444         (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9445         cgraph_decide_inlining_incrementally): Update use of
9446         cgraph_check_inline_limits.
9447         * cgraph.c (edge_hash, edge_eq): New function.
9448         (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9449         cgraph_edge_remove_caller, cgraph_node_remove_callees,
9450         cgraph_remove_node): Maintain call site hash.
9451         * cgraph.h (struct cgraph_node): Add call_site_hash.
9452         (cgraph_set_call_stmt): New function.
9454 2006-08-20  Jan Hubicka  <jh@suse.cz>
9456         PR rtl-optimization/28071
9457         * reload1.c (reg_has_output_reload): Turn into regset.
9458         (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9459         choose_reload_regs, emit_reload_insns): Update to new
9460         reg_has_output_reload.
9462 2006-08-20  Jan Hubicka  <jh@suse.cz>
9464         PR middle-end/28779
9465         * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9466         function body sizes.
9467         * cgraphunit.c (cgraph_analyze_function): Don't do so.
9469 2006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
9471         PR target/28648 c:
9472         * tree.c (handle_dll_attribute): Return early if not a
9473         var or function decl.
9475 2006-08-18  Joseph Myers  <joseph@codesourcery.com>
9477         PR target/27565
9478         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9479         alignment of SPE vector types.
9481 2006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
9483         * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9485 2006-08-17  Jakub Jelinek  <jakub@redhat.com>
9487         PR c/28744
9488         * cgraph.h (struct cgraph_node): Remove externally_visible
9489         bitfield.
9490         * cgraphunit.c (process_function_and_variable_attributes): Set
9491         local.externally_visible rather than externally_visible.
9493         PR c/28744
9494         * c-common.c (handle_externally_visible_attribute): First look
9495         at TREE_CODE and only if it is function or var decl, check for
9496         non-public objects.  Don't warn for DECL_EXTERNAL.
9497         * cgraphunit.c (process_function_and_variable_attributes): Warn
9498         if externally_visible attribute is used on non-public object.
9500 2006-08-17  Jan Hubicka  <jh@suse.cz>
9502         PR tree-optimization/27865
9503         * reload1.c (forget_marked_reloads): New function.
9504         (forget_old_reloads_1): When data are passed, just mark the registers
9505         for later removal.
9506         (reload_as_needed): Use the new mechanizm.
9508 2006-08-17  Alexandre Oliva  <aoliva@redhat.com>
9510         PR target/28146
9511         * reload.h (reg_equiv_alt_mem_list): New declaration.
9512         * reload1.c (reg_equiv_alt_mem_list): New definition.
9513         (reload): Initialize it and release it.
9514         (delete_output_reload): Use it.
9515         * reload.c (push_reg_equiv_alt_mem): New function.
9516         (find_reloads_toplev): Call it.
9517         (find_reloads_address, find_reloads_address_1): Likewise.
9518         (find_reloads_subreg_address): Likewise.
9520 2006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9522         PR rtl-optimization/28489
9523         * sched-ebb.c (begin_schedule_ready): Create basic block
9524         at the right place.
9525         (advance_target_bb): Skip empty blocks.
9526         * haifa-sched.c (bb_note): Make global.
9527         * sched-int.h (bb_note): Add prototype.
9529 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9531         PR tree-optimization/27865
9532         * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9533         for pointer types.
9534         * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9535         fold_used_pointer, pointer_used_p): New functions.
9536         (analyze_scalar_evolution_1): Use fold_used_pointer.
9537         * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9538         * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9539         for pointers.
9541 2006-08-17  Paolo Bonzini <bonzini@gnu.org>
9543         PR c++/28573
9544         * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9545         or the INTEGER_CST.  Fail on a CALL_EXPR.
9546         (fold_offsetof): Pass new argument to fold_offsetof_1.
9547         * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9548         operand into an INDIRECT_REF.
9549         * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9551 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9553         PR gcov/profile/26570
9554         * value-prof.c (static_values): Removed.
9555         (tree_find_values_to_profile): Do not set static_values.
9556         (find_values_to_profile): Do not free static_values.
9557         * profile.c (instrument_values): Do not free the values.
9558         (branch_prob): Free the values.
9560 2006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>
9562         * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9564 2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>
9566         PR c/27697
9567         * c-typeck.c (build_component_ref): Combine qualifiers of
9568         structure or union and field.
9570 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9572         PR rtl-optimization/28071
9573         * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9574         * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9575         * tree-into-ssa.c (struct dom_dfsnum): New.
9576         (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9577         functions.
9578         (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9579         compute_global_livein.
9580         (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9581         in phi nodes in the correct blocks.
9583 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
9585         PR tree-optimization/28364
9586         * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9587         correctly.
9588         (fold_affine_expr): New function.
9589         (may_eliminate_iv): Use fold_affine_expr.
9591 2006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9593         PR c/27489
9594         * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9595         Clean up.
9597 2006-08-16  Mike Stump  <mrs@apple.com>
9599         * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9600         * doc/cppopts.texi (-MD): Likewise.
9602 2006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>
9604         PR c/28287
9605         * c-common.c (handle_weak_attribute): Ignore and warn if
9606         not a FUNCTION_ or VAR_DECL.
9608 2006-07-15  Mike Stump  <mrs@apple.com>
9610         PR c/28280
9611         * c-parser.c (c_parser_typeof_specifier): Don't use
9612         c_finish_expr_stmt, open code desired semantics instead.
9614 2006-08-15  Nick Clifton  <nickc@redhat.com>
9616         * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9617         fragment to tmake_file only if threads are enabled.
9618         * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9619         * config/i386/t-gthr-win32: New file. ... here.
9621 2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9623         PR c/28649
9624         * c-parser.c (c_parser_compound_statement_nostart): Reset
9625         parser->error after each statement.
9627 2006-08-15  Jakub Jelinek  <jakub@redhat.com>
9629         PR middle-end/28713
9630         * omp-low.c (lower_omp_parallel): Convert t to
9631         receiver_decl's type.
9632         (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9633         source before comparison.
9635         PR middle-end/28724
9636         * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9637         to itype in assignment to oldival2.
9639 2006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>
9641         PR c/27490
9642         PR c/27489
9643         * c-typeck.c (build_compound_expr): If the second expression
9644         is an error mark, then just return an error mark instead of
9645         creating a COMPOUND_EXPR.
9647 2006-07-14  Mike Stump  <mrs@apple.com>
9649         * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9651 2006-08-14  Kazu Hirata  <kazu@codesourcery.com>
9653         * c-decl.c, var-tracking.c: Fix comment typos.
9655 2006-08-14  Richard Sandiford  <richard@codesourcery.com>
9657         PR rtl-optimization/28634
9658         * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9659         for floating-point modes unless flag_unsafe_math_optimizations.
9661 2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
9662             Andrew Pinski  <pinskia@physics.uc.edu>
9664         PR c/27184
9665         * tree.c (build_array_type): Unify array types with
9666         unspecified index_type.
9667         * c-decl.c (grokdeclarator): Make sure we do not modify a
9668         unified incomplete array type.
9669         * c-typeck.c (store_init_value): Create distinct type before
9670         filling in the index type in an initializer from a compound
9671         literal.
9673         * c-decl.c (grokdeclarator): Remove code where we copy the
9674         array type over.
9676 2006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>
9678         * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9679         into account for TODO_dump_cgraph.
9680         (TODO_update_ssa_no_phi): Likewise.
9681         (TODO_update_ssa_full_phi): Likewise.
9682         (TODO_update_ssa_only_virtuals): Likewise.
9683         (TODO_remove_unused_locals): Likewise.
9684         (TODO_set_props): Likewise.
9685         (TODO_update_stmt_usage): Likewise.
9687 2006-08-13  Dirk Mueller  <dmueller@suse.de>
9689         * c-common.c (strict_aliasing_warning): Fix formatting.
9691 2006-08-13  Matthias Klose  <doko@debian.org>
9693         * doc/invoke.texi: Fix spelling errors.
9695 2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
9697         PR rtl-optimization/23454
9698         * reorg.c (relax_delay_slots): Update comment.
9700 2006-08-11  Richard Guenther  <rguenther@suse.de>
9702         PR middle-end/28651
9703         * simplify-rtx.c (simplify_const_relational_operation):
9704         Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9705         codes.
9707 2006-08-10  Eric Botcazou  <ebotcazou@adacore.com>
9709         * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9710         TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9712 2006-08-10  Paul Brook  <paul@codesourcery.com>
9714         * final.c (final_scan_insn): Clear current_insn_predicate before
9715         outputting inline asm.
9717 2006-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9719         PR tree-optimization/26197
9720         * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9721         get_ref_base_and_extent and overlap_subvar to add only relevant
9722         subvars as may-aliases.
9723         (add_may_alias_for_new_tag): New function, factored out of
9724         new_type_alias.
9725         * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9726         with additional argument.
9727         * tree-flow.h (new_type_alias): Takes additional argument.
9729 2006-08-09  Nathan Sidwell  <nathan@codesourcery.com>
9731         * gcov.c (no_data_file): New flag.
9732         (read_count_file): Set it if data file not present.  Assume counts
9733         zero if not found.
9734         (output_lines): Don't name the data file, if there wasn't one.
9736 2006-08-09  Eric Botcazou  <ebotcazou@adacore.com>
9738         * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9739         (rs6000_generate_compare): Tweak comments.
9740         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9742 2006-08-09  Alexandre Oliva  <aoliva@redhat.com>
9744         * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9745         (var_debug_decl): New function.
9746         (var_reg_set): Follow debug decl link.  Add location even if
9747         reg is already known to hold some other variable.
9748         (var_mem_set): Follow debug decl link.
9749         (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9750         decl link.  Delete other known locations of the variable part
9751         if requested.
9752         (var_reg_delete, var_mem_delete): Delete other known locations
9753         of the variable part if requested.
9754         (same_variable_part_p): New function.
9755         (add_stores): Select MO_COPY when appropriate.
9756         (vt_initialize): Handle it.
9757         (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
9758         known locations for MO_SET and MO_CLOBBER.
9759         (find_variable_location_part): New function.
9760         (set_variable_part, delete_variable_part): Use it.
9761         (clobber_variable_part): New function.
9762         * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9763         decl link.
9765 2006-08-07  Victor Kaplansky <victork@il.ibm.com>
9767         PR tree-optimization/26969
9768         * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9769         with an empty list of PHIs.
9771 2006-08-06  Paolo Bonzini  <bonzini@gnu.org>
9773         PR target/27827
9775         * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9776         instructions.
9778 2006-08-06  Andreas Schwab  <schwab@suse.de>
9780         * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9781         string.  Whitespace and comment fixup.
9783 2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9785         PR c/28502
9786         * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9787         argument.
9789         PR c/27721
9790         * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9792         PR c/28136
9793         * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9795 2006-08-04  Jan Hubicka  <jh@suse.cz>
9797         PR target/26655
9798         PR target/28270
9799         * reload.c (push_reload): Patch out the mismatching instruction;
9800         return early.
9801         (find_reload): Bail out if the instruction was patched out.
9803 2006-08-04  Jan Hubicka  <jh@suse.cz>
9805         PR tree-optimization/24888
9806         * tree-inline.c (expand_call_inline): Do not re-record variables.
9807         (declare_inline_vars): Add variable to unexpanded_var_list.
9809 2006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9810             Roger Sayle  <roger@eyesopen.com>
9812         PR rtl-optimization/26244
9813         * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9814         inner_const are negative or greater than or equal to the bitsize of
9815         MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9816         Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9817         Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
9818         CONST0_RTX (mode) when the new shift count is greater than or equal to
9819         to the bitsize of the object being shifted and XEXP (y, 0) has no side
9820         effects.
9822 2006-08-04  Kazu Hirata  <kazu@codesourcery.com>
9824         * tree-cfg.c: Fix a comment typo.
9826 2006-08-03  Mark Mitchell  <mark@codesourcery.com>
9828         PR c++/28148
9829         * varasm.c (output_constant): Give the front end another chance to
9830         expand constants, after stripping NOPs.
9832 2006-08-03  Jan Hubicka  <jh@suse.cz>
9834         * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9835         implementation.
9837 2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
9839         PR tree-optimization/27770
9840         * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9841         declaration removed (moved to tree-flow.h).
9842         (vect_can_force_dr_alignment_p): Likewise.
9843         * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9844         (moved from tree-vectorizer.h).
9845         (vect_can_force_dr_alignment_p): Likewise.
9846         * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9847         from outside the vectorizer - in particular from cgraph stage.
9848         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9849         the alignment of global arrays when -fsection-anchors is enabled.
9850         * cgraphunit.c (cgraph_increase_alignment): New function.
9851         (cgraph_optimize): Call cgraph_increase_alignment.
9853 2006-08-03  David Edelsohn  <edelsohn@gnu.org>
9855         PR target/27566
9856         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9857         not reload a SPE symbol_ref into a lo_sum address.
9859 2006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>
9861         PR debug/28063
9862         * dwarf2out.c (prune_unused_types_prune): Move call to
9863         prune_unused_types_update_strings to cover the parent DIE also.
9865 2006-08-02  Jan Hubicka  <jh@suse.cz>
9867         PR gcov/profile/28480
9868         * tree-cfg.c (change_bb_for_stmt): New function.
9869         (tree_merge_blocks, tree_split_blocks): Use it.
9871 2006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9873         PR c++/28250
9874         PR c++/28257
9875         PR c++/28259
9876         PR c++/28267
9877         * toplev.c (compile_file): Return early on errorcount or sorrycount.
9878         * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9879         (cgraph_optimize): Likewise.
9881 2006-08-01  Stuart Hastings  <stuart@apple.com>
9883         * rtl.h (UINTVAL) New.
9884         * config/rs6000/rs6000.c (SMALL_INT) Use it.
9885         * testsuite/gcc.dg/20060801-1.c: New.
9887 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
9889         PR debug/23336
9890         * c-typeck.c (build_external_type): Mark used enum types.
9891         * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9892         cfun also.
9893         (gen_subprogram_die): Whitespace fix.
9895 2006-08-01  Jan Hubicka  <jh@suse.cz>
9897         * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9898         bitmap when not needed.
9899         * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9900         bitmaps.
9902 2006-08-01  Dirk Mueller  <dmueller@suse.de>
9904         * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9906 2006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9908         * Makefile.in: Revert part of previous patch:
9909         Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9910         and REGS_H.
9912 2006-07-30  Eric Christopher  <echristo@apple.com>
9914         PR target/27543
9915         * doc/extend.texi (i386 Variable Attributes): Add anchor.
9916         (PowerPC Variable Attributes): New section.
9918 2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
9920         PR target/28126 (partial fix)
9921         * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9923 2006-07-28  Jan Hubicka  <jh@suse.cz>
9925         PR rtl-optimization/28071
9926         * cfgrtl.c (rtl_delete_block): Free regsets.
9927         * flow.c (allocate_bb_life_data): Re-use regsets if available.
9929 2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9931         * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9932         and variables used in dependencies.
9934 2006-07-27  Arjan van de Ven <arjan@linux.intel.com>
9936         * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9937         %fs for -mcmodel=kernel.
9938         (stack_tls_protect_test_di): Likewise.
9940 2006-07-27  Carlos O'Donell  <carlos@codesourcery.com>
9942         * Makefile.in: Use mkinstalldirs.
9944 2006-07-27  H.J. Lu  <hongjiu.lu@intel.com>
9946         PR driver/28437
9947         * opts-common.c (prune_options): Skip joined switches.
9949 2006-07-27  Jan Hubicka  <jh@suse.cz>
9951         PR rtl-optimization/28071
9952         * cselib.c (cselib_process_insn): Don't remove useless values too
9953         often for very large hashtables.
9955 2006-07-27  Jan Hubicka  <jh@suse.cz>
9957         PR rtl-optimization/28071
9958         * global.c (greg_obstack): New obstack.
9959         (allocate_bb_info): Use it.
9960         (free_bb_info): Likewise.
9961         (modify_reg_pav): Likewise.
9963 2006-07-27  Roger Sayle  <roger@eyesopen.com>
9965         * builtins.c (fold_fixed_mathfn): When long and long long are the
9966         same size, canonicalize llceil*, llfloor*, llround* and llrint*
9967         functions to their lceil*, lfloor*, lround* and lrint* forms.
9969 2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9971         PR gcc/28508
9972         * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9973         branch.
9974         (rev_branch_insn): Likewise.
9976 2006-07-27  Jan Hubicka  <jh@suse.cz>
9978         PR rtl-optimization/28071
9979         * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9980         (reg_set_in_bb, max_reg_computed): New static variables.
9981         (regmove_optimize): Free the new array.
9982         (fixup_match_1): Update call of reg_is_remote_constant_p.
9984 2006-07-26  Jan Hubicka  <jh@suse.cz>
9986         PR tree-optimization/27882
9987         * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9988         and decl fields.
9989         * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9990         next pointer
9991         (cgraph_analyze_compilation_unit): Likewise.
9992         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9993         * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9994         (cgraph_early_inlinine): Make order garbage collected.
9995         * Makefile.in (gt-ipa-inline): New garbagecollected file.
9997 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
9999         * dbxout.c (output_types_sort): Add a comment.
10000         (output_used_types): Free the VEC.
10002 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
10004         * function.c (reorder_fix_fragments): Delete.
10005         (reorder_blocks): Don't call it.
10006         (reorder_blocks_1): Put all subblocks under the origin block.
10008 2006-07-26  Zdenek Dvorak <dvorakz@suse.cz>
10010         PR rtl-optimization/27907
10011         * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10012         FLOAT_TRUNCATE.
10014 2006-07-25  Roger Sayle  <roger@eyesopen.com>
10016         PR middle-end/28473
10017         * convert.c (convert_to_integer): When transforming (T)foo(x) into
10018         bar(x) check that bar's result type can represent all the values of T.
10020 2006-07-25  Zdenek Dvorak <dvorakz@suse.cz>
10022         * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10024 2006-07-25  Nick Clifton  <nickc@redhat.com>
10026         * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10027         size_lookup[] array.
10028         (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10029         (ggc_pch_count_object): Likewise.
10030         (ggc_pch_alloc_object): Likewise.
10031         (ggc_pch_write_object): Likewise.
10032         (init_ggc): Do not attempt to initialize entries in the
10033         size_lookup[] array for objects whose size is greater than than
10034         the length of the array.
10036 2006-07-25  Daniel Jacobowitz  <dan@codesourcery.com>
10038         * dbxout.c (output_used_types_helper): Push queued types
10039         on a VEC.
10040         (output_types_sort): New.
10041         (output_used_types): Collect used types on a VEC and sort them
10042         before emission.
10044 2006-07-24  Richard Guenther  <rguenther@suse.de>
10046         PR middle-end/28463
10047         * cgraph.c (cgraph_remove_node): Do not check if dumps
10048         are enabled.
10049         * cgraphunit.c (cgraph_optimize): Likewise.
10051 2006-07-24  Jan Hubicka  <jh@suse.cz>
10053         PR rtl-optimization/28071
10054         * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10055         * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10056         splitting before first stmt.
10058 2006-07-24  Jan Hubicka  <jh@suse.cz>
10060         PR rtl-optimization/28071
10061         * ipa-inline.c (update_caller_keys): Remove edges that
10062         are no longer inline candidates.
10064 2006-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
10066         PR debug/27473
10067         * dbxout.c (output_used_types_helper, output_used_types): New.
10068         (dbxout_symbol): Call output_used_types.
10070 2006-07-23  Jan Hubicka  <jh@suse.cz>
10072         PR c/25795
10073         PR c++/27369
10074         * cgraph.c (cgraph_varpool_nodes): Export.
10075         (decide_is_variable_needed): Ignored "used" attribute in
10076         unit-at-a-time mode.
10077         * cgraph.h (cgraph_varpool_nodes): Declare.
10078         * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10079         unit-at-a-time mode.
10081 2006-07-23  Roger Sayle  <roger@eyesopen.com>
10083         PR target/28247
10084         * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10085         mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
10086         the __gthrw form of thr_keycreate.
10087         (__gthread_key_delete): Silence the unused argument warning.
10089 2006-07-23  Steven Bosscher  <steven@gcc.gnu.org>
10091         PR debug/25468
10092         * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10093         Cache the last found '\0' marker to avoid quadratic behavior.
10095 2006-07-23  Jan Hubicka  <jh@suse.cz>
10097         * i386.md (subsi_3_zext): Fix output template.
10099 2006-07-21  Mike Stump  <mrs@apple.com>
10101         * doc/invoke.texi (C++ Dialect Options): Note that
10102         -fvisibility-inlines-hidden doesn't affect explicitly
10103         instantiationed inline methods.
10105 2006-07-20  Roger Sayle  <roger@eyesopen.com>
10107         * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10108         if the target assembler is GNU binutils' gas.
10109         * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10110         whether to pass GNU gas or native as command line options.
10112 2006-07-20  Jason Merrill  <jason@redhat.com>
10114         * tree.c (remove_attribute): New fn.
10115         * tree.h: Declare it.
10117 2006-07-20  Paul Brook  <paul@codesourcery.com>
10119         PR 27363
10120         * cse.c (cse_insn): Add destination addresses to hash table. Check if
10121         they are invalidated by this instruction.
10123 2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
10125         PR target/28427
10126         * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10128 2006-07-20  Eric Christopher  <echristo@apple.com>
10130         PR target/26877
10131         * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10133 2006-07-19  Eric Christopher  <echristo@apple.com>
10135         * config/t-slibgcc-darwin (stmp-lipo): Remove.
10136         Rewrite dependencies for libgcc_s.1.dylib.
10138 2006-07-19  Jakub Jelinek  <jakub@redhat.com>
10140         * except.c (duplicate_eh_regions_1): Clear next_peer.
10142 2006-07-17  Nathan Sidwell  <nathan@codesourcery.com>
10144         * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10145         -mlongcall does not guarantee all calls will be long.
10146         * doc/extend.texi (long_call/short_call): Document that longcall
10147         does not guarantee a long call will be used.
10148         (longcall/shortcall): Likewise.
10150 2006-07-18  Roger Sayle  <roger@eyesopen.com>
10152         PR middle-end/28283
10153         * expmed.c (expand_shift): Additionally check that the shift_cost
10154         is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10155         before implementing a LSHIFT_EXPR as a sequence of additions.
10156         * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10157         middle-end that DImode shifts need to be synthesized by expand.
10159 2006-07-18  Diego Novillo  <dnovillo@redhat.com>
10161         PR 28410
10162         * tree-ssa-operands.c (access_can_touch_variable): Update
10163         comment.
10164         Return true if ALIAS is .GLOBAL_VAR.
10166 2006-07-18  David Daney  <ddaney@avtrex.com>
10168         * gcc.c (display_help): Fix typo in help text.
10170 2006-07-18  Olivier Hainque  <hainque@adacore.com>
10172         * tree.h (categorize_ctor_elements): Adjust prototype and add
10173         descriptive comment, both in accordance with the interface change
10174         described below.
10175         * varasm.c (constructor_static_from_elts_p): New function.
10176         Whether a constructor node is a valid static constant initializer
10177         if all its elements are.
10178         (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10179         * output.h: Declare it.
10180         * expr.c (categorize_ctor_elements_1): Return whether the constructor
10181         is a valid constant initializer instead of computing the number of
10182         non-constant elements.  Use constructor_static_from_elts_p for this
10183         purpose.  Replace the head comment with an indication that this is a
10184         helper for categorize_ctor_elements.
10185         (categorize_ctor_elements): Same interface change as for the _1
10186         helper.  Former head comment from this helper moved here, adjusted to
10187         account for the interface changes.
10188         (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10189         (all_zeros_p): Likewise.
10190         * gimplify.c (gimplify_init_constructor): Decide whether we can make
10191         static versions of the constructor from the categorize_ctor_elements
10192         return value instead of the formerly computed number of non-constant
10193         elements.
10195 2006-07-18  Paolo Bonzini  <bonzini@gnu.org>
10197         * configure: Regenerate.
10198         * Makefile.in (build_libsubdir): New configure substitution
10199         (build_libobjdir): New variable.
10200         (BUILD_LIBIBERTY): Use it.
10202 2006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10204         PR c/28286
10205         * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10207 2006-07-18  Alexandre Oliva  <aoliva@redhat.com>
10209         PR c/26993
10210         * c-common.c (handle_weakref_attribute): Ignore attribute in
10211         the same conditions the alias attribute is ignored.
10213 2006-07-17  Carlos O'Donell  <carlos@codesourcery.com>
10215         * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10216         (dbxout_begin_prologue): Increment scope_labelno.
10218 2006-07-17  Richard Henderson  <rth@redhat.com>
10220         PR 27889
10221         * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10222         if needed.
10224 2006-07-17  Roger Sayle  <roger@eyesopen.com>
10225             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10227         * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10228         synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
10229         blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
10230         functions such as sbrk, write, etc..  Add function prototypes.
10231         Convert function declarations from K&R to ISO C.  Cast pointers
10232         to "long" and "unsigned long" instead of "int" and "unsigned int".
10233         Convert tokens following #endif into comments.
10235 2006-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
10237         * invoke.texi: Remove mention of f77; Reformat table for
10238         inline parameter options correctly; mention that -malign-double
10239         is default on x86-64 targets.
10241 2006-07-17  Zdenek Dvorak <dvorakz@suse.cz>
10243         * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10244         (convert_affine_scev, chrec_convert_aggressive): Use
10245         avoid_arithmetics_in_type_p.  Do not check for the subtypes
10246         separately.
10248 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
10250         PR middle-end/28403
10251         * optabs.c (expand_doubleword_shift): Wrap the call to
10252         do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10254 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
10256         PR middle-end/28402
10257         * optabs.c (expand_binop): Pass next_methods rather than methods
10258         to expand_doubleword_shift.
10260 2006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
10262         PR other/28251
10263         * tree.h (dump_addr): Declare.
10264         * print-tree.c (dump_addr): New function.
10265         (print_node_brief, print_node): Use it.
10266         * print-rtl.c (print_rtx): Likewise.
10267         * common.opt (-fdump-noaddr): New option.
10268         * doc/invoke.texi (-fdump-noaddr): Document.
10269         * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10270         (ve_info_hash): Likewise.
10272 2006-07-13  Andrew Haley  <aph@redhat.com>
10274         PR tree-optimization/19505
10275         * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10276         edge leaving this block, make sure that the destination of this
10277         block has only one predecessor.
10279 2006-07-17  Richard Guenther  <rguenther@suse.de>
10281         PR tree-optimization/28238
10282         * tree-inline.c (copy_bb): Check if we produced valid
10283         gimple copying and substituting a stmt.  If not, gimplify
10284         it.
10286 2006-07-16  Eric Botcazou  <ebotcazou@adacore.com>
10288         * optabs.c (maybe_encapsulate_block): New function extracted from...
10289         (emit_libcall_block): ...here.  Invoke it on the block of insns to
10290         maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10291         (emit_no_conflict_block): Likewise.
10293 2006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10295         * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10297 2006-07-15  Roger Sayle  <roger@eyesopen.com>
10299         * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10300         a new NOP_EXPR case of the switch statement.
10302 2006-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
10304         PR middle-end/28160
10305         * stor-layout.c (place_field): Take the bit field with
10306         an excessive size into account in the ms-bitfiled case.
10308         PR middle-end/28161
10309         * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10310         the previous bit field.
10312 2006-07-14  Eliot Dresselhaus  <eliot@sonic.net>
10314         PR target/27287
10315         * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10317 2006-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10319         * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10320         signal frames correctly even when the signal was installed with
10321         sa_restorer set.
10323 2006-07-14  Carlos O'Donell  <carlos@codesourcery.com>
10325         * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10326         (dbxout_function_end): Use local label LFBB. Remove hook
10327         DBX_OUTPUT_NFUN.
10328         (dbxout_source_line): Use local label LFBB.
10329         (dbxout_block): Likewise.
10330         (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10331         (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10332         * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10333         and DBX_OUTPUT_NFUN.
10335 2006-07-13  Janis Johnson  <janis187@us.ibm.com>
10337         * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10339 2006-07-13  Jan Hubicka  <jh@suse.cz>
10341         * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10342         align_variable.
10343         * output.h (align_variable): Declare.
10344         * varasm.c (align_variable): Export.
10345         * value-prof.c (tree_value_profile_transformations): Recompute iterator
10346         when basic block changed.
10348 2006-07-13  Nick Clifton  <nickc@redhat.com>
10350         * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10351         walking the LOG_LINKS chain.
10353 2006-07-12  Geoffrey Keating  <geoffk@apple.com>
10355         * doc/invoke.texi (C++ Dialect Options): Explain difference
10356         between -fvisibility-inlines-hidden and setting hidden
10357         visibility explicitly.
10359 2006-07-12  Eric Christopher  <echristo@apple.com>
10361         * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10362         (stmp-lipo): Depend on libgcc.a.
10364 2006-07-12  Kazu Hirata  <kazu@codesourcery.com>
10366         * tree.c: Fix a comment typo.
10368 2006-07-12  Naveen.H.S  <naveenh@kpitcummins.com>
10370         * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10371         dest.
10372         (umulhisi3_r): Likewise.
10374 2006-07-12  Paolo Carlini  <pcarlini@suse.de>
10376         PR libstdc++/27878
10377         * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10378         x < 19, vs wchar_t support.
10380 2006-07-12  Nick Clifton  <nickc@redhat.com>
10382         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10383         instead of -isa=sh4.
10385 2006-07-12  Mike Stump  <mrs@apple.com>
10387         * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10389 2006-07-10  Eric Christopher  <echristo@apple.com>
10391         * config/t-slibgcc-darwin: Rewrite.
10393 2006-07-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
10395         PR bootstrap/20437
10396         * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10397         dependencies.
10399 2006-07-08  Matthias Klose  <doko@debian.org>
10401         * doc/sourcebuild.texi: Fix typo.
10403 2006-07-07  Mike Stump  <mrs@apple.com>
10405         * toplev.c (process_options): Don't give -ffunction-sections may
10406         affect debugging warning for Mach-O.
10408 2006-07-07  James E Wilson  <wilson@specifix.com>
10410         * config/mips/mips.md (cpu): Add sb1a.
10411         * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10412         addition to sb1.  Adjust comments to clarify SB-1A differences from
10413         SB-1.
10414         (ir_sb1a_load): New.  Modify bypasses to use it.
10415         (ir_sb1a_simple_alu): Likewise.
10416         * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10417         (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10418         (mips_issue_rate): Add PROCESSOR_SB1A.
10419         (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10420         * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10421         (TARGET_SB1): Add PROCESSOR_SB1A check.
10422         (TUNE_SB1): Likewise.
10424         * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10425         * config/mips/mips.c (mips_store_data_bypass_p): New.
10426         * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10427         store_data_bypass_p.
10429 2006-07-08  Paul Brook  <paul@codesourcery.com>
10431         PR target/27991
10432         * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10434 2006-07-07   Richard Guenther  <rguenther@suse.de>
10436         PR middle-end/28268
10437         * tree.h (build_one_cst): Declare.
10438         * tree.c (build_one_cst): New function.
10439         * tree-ssa-math-opts.c (get_constant_one): Remove.
10440         (insert_reciprocals): Use build_one_cst.
10441         * fold-const.c (fold_plusminus_mult): Likewise.
10443 2006-07-07  Roger Sayle  <roger@eyesopen.com>
10445         * pointer-set.c (pointer_set_destroy): Correct whitespace.
10446         * cfgloopanal.c (dump_graph): Likewise.
10447         * dojump.c (discard_pending_stack_adjust): Likewise.
10448         * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10449         Likewise.
10450         * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10451         * function.c (finalize_block_changes): Likewise.
10452         * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10453         * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10454         * rtl.c (dump_rtx_statistics): Likewise.
10455         * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10456         Likewise.
10457         * varray.c (dump_varray_statistics): Likewise.
10458         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10459         decode_decimal64, encode_decimal128, decode_decimal128,
10460         decimal_real_to_decimal): Likewise.
10462 2006-07-07  Richard Guenther  <rguenther@suse.de>
10464         PR tree-optimization/28187
10465         * tree-vrp.c (vrp_operand_equal_p): New function.
10466         (vrp_bitmap_equal_p): Likewise.
10467         (update_value_range): Use them to compare old and new
10468         max and min values.
10470 2006-07-06  Roger Sayle  <roger@eyesopen.com>
10472         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10473         a default case to switch statement to silence compiler warnings.
10475 2006-07-06  Roger Sayle  <roger@eyesopen.com>
10477         PR target/27968
10478         * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10479         the configured assembler supports the x87's ffreep mnemonic.
10480         * configure: Regenerate.
10481         * config.in: Regenerate.
10483         * config/i386/i386.c (output_387_ffreep): New function.
10484         (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10485         (output_387_reg_move): Likewise.
10487 2006-07-06  Paul Eggert  <eggert@cs.ucla.edu>
10489         Port to hosts whose 'sort' and 'tail' implementations
10490         treat operands with leading '+' as file names, as POSIX
10491         has required since 2001.  However, make sure the code still
10492         works on pre-POSIX hosts.
10493         * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10494         which says you should use "tail -c +N" rather than "tail +Nc".
10495         Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10497 2006-07-06  Zdenek Dvorak <dvorakz@suse.cz>
10499         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10500         argument name.
10502 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
10504         PR target/28150
10505         * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10506         PRE_{INC,DEC} of TFmode.
10508 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
10509             Alan Modra  <amodra@bigpond.net.au>
10511         PR target/28170
10512         * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10513         bounds. Simplify.
10515 2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10517         PR target/28285
10518         * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10519         Remove duplicate gtu.
10521 2006-07-05  Jason Merrill  <jason@redhat.com>
10523         PR c++/13983
10524         PR c++/17519
10525         * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10526         * c-common.c (handle_packed_attribute): So don't copy it here.
10527         * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10529 2006-07-05  Mike Stump  <mrs@apple.com>
10531         * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10533 2006-07-05  H.J. Lu  <hongjiu.lu@intel.com>
10535         PR target/26146
10536         * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10538 2006-07-05  Richard Guenther  <rguenther@suse.de>
10540         PR target/28158
10541         * config/i386/i386.md (*negdf2_1): Restrict pattern to
10542         TARGET_SSE2 targets if using SSE math.
10543         (*absdf2_1): Likewise.
10545 2006-07-05  Richard Guenther  <rguenther@suse.de>
10547         PR tree-optimization/28162
10548         * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10549         make sure to convert the operands to the correct type.
10551 2006-07-04  Paolo Bonzini  <bonzini@gnu.org>
10553         PR tree-optimization/28218
10555         * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10556         to calculate and free the dominator information.
10558 2006-07-04  Peter O'Gorman  <peter@pogma.com>
10560         * mklibgcc.in: chmod 644 before ranlib during install.
10562 2006-07-04  Andrew Stubbs <andrew.stubbs@st.com>
10563             J"orn Rennecke <joern.rennecke@st.com>
10565         * configure.ac (.eh_frame data check): Use diff -b.
10567 2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10569         PR bootstrap/18058
10570         * Makefile.in (BUILD_RTL): Add build/vec.o.
10571         (build/gencondmd.o): Filter out -fkeep-inline-functions.
10572         (build/genextract): Delete.
10573         (build/genautomata): Likewise.
10575 2006-07-04  Alan Modra  <amodra@bigpond.net.au>
10577         PR target/28207
10578         * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10579         128-bit IBM long doubles for ABI_V4.
10581 2006-07-03  Eric Botcazou  <ebotcazou@adacore.com>
10583         * tree.c (range_in_array_bounds_p): New predicate.
10584         * tree.h (range_in_array_bounds_p): Declare it.
10585         * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10586         return a less conservative answer.
10587         * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10588         and flag 'is_group'.
10589         (IS_ELEMENT_FOR_GROUP): New macro.
10590         (FOR_EACH_ACTUAL_CHILD): Likewise.
10591         (next_child_for_group): New helper function.
10592         (can_completely_scalarize_p): Take into account groups.
10593         (sra_hash_tree): Handle RANGE_EXPR.
10594         (sra_elt_eq): Likewise.
10595         (lookup_element): Be prepared for handling groups.
10596         (is_valid_const_index): Delete.
10597         (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10598         instead of is_valid_const_index.
10599         <ARRAY_RANGE_REF>: New case.
10600         (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10601         is_valid_const_index.
10602         <ARRAY_RANGE_REF>: Do not unconditionally punt.
10603         (scan_dump): Dump info for groups too.
10604         (decide_instantiation_1): Likewise.
10605         (decide_block_copy): Assert that the element is not a group.
10606         Propagate decision to groups.
10607         (generate_one_element_ref): Handle RANGE_EXPR.
10608         (mark_no_warning): Iterate over actual childs.
10609         (generate_copy_inout): Likewise.
10610         (generate_element_copy): Likewise.
10611         (generate_element_zero): Likewise.
10612         (generate_element_init_1): Likewise.
10613         (dump_sra_elt_name): Handle RANGE_EXPR.
10615 2006-07-03  Roger Sayle  <roger@eyesopen.com>
10617         PR tree-optimization/26251
10618         * tree-ssa-threadupdate.c (redirection_block_p): New function.
10619         (thread_block): When optimizing for size refuse to thread jumps
10620         that would require duplication of blocks other than redirection
10621         blocks.
10623 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
10625         * configure.ac: Fix thinko in previous check-in.
10626         * configure: Regenerate.
10628 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
10630         PR other/27063
10631         * configure.ac (for lang...): Simplify nesting of conditionals.
10632         Test subdir_requires for non-enabled languages.  Move processing
10633         of lang_opt_files and lang_tree_fiels below that test.
10634         * configure: Regenerate.
10635         * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10637 2006-07-01  Martin Michlmayr  <tbm@cyrius.com>
10639         * doc/gcov.texi (Invoking Gcov): Add a missing word.
10641 2006-06-30  Kazu Hirata  <kazu@codesourcery.com>
10643         * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10644         comment typos.
10646 2006-06-29  Jason Merrill  <jason@redhat.com>
10648         PR c++/26905
10649         PR c++/26612
10650         PR c++/27000
10651         PR c++/26984
10652         PR c++/19134
10653         * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10654         * c-common.c (c_determine_visibility): Handle it here.
10655         * c-decl.c (finish_decl): Call c_determine_visibility for
10656         functions, too.
10657         * flags.h (enum symbol_visibility): Sort from most to least visibility.
10658         * tree.h: Likewise.
10659         * varasm.c (default_assemble_visibility): Likewise.
10660         * c-common.c (handle_visibility_attribute): Complain about trying
10661         to give visibility to an already defined class, or trying to change
10662         declared visibility. Always attach the attribute.
10664         PR c++/26905
10665         PR c++/21675
10666         PR c++/17470
10667         * attribs.c (decl_attributes): Ignore type-in-place attributes
10668         once the type has been defined.
10670 2006-06-29  Roger Sayle  <roger@eyesopen.com>
10672         PR middle-end/27428
10673         * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10674         to indicate the cpplib has issued an error message for us.
10676 2006-06-29  Asher Langton  <langton2@llnl.gov>
10678         PR target/25765
10679         * config/i386/i386.c (ix86_output_function_epilogue): Don't
10680         insert a label at the end of an function under Mach-O.
10682 2006-06-29  Eric Christopher  <echristo@apple.com>
10683             Evan Cheng  <evan.cheng@apple.com>
10685         * predicates.md (vector_all_ones_operand): New.
10686         (nonimmediate_or_sse_const_operand): Ditto.
10687         * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10688         * config/i386/i386.c (standard_sse_constant_opcode): Define.
10689         (standard_sse_mode_p): Ditto.
10690         (standard_sse_constant_p): Add case for -1 vector.
10691         (ix86_expand_vector_move): Try to use.
10692         * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10693         Call standard_sse_constant_opcode.
10694         (*movv4sf_internal): Ditto.
10695         (*movv2df_internal): Ditto.
10697 2006-06-29  Roger Sayle  <roger@eyesopen.com>
10699         * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10700         of XEXP to extract the operands of a MATCH_CODE rtx.
10702 2006-06-28  Andrew Pinski  <pinskia@gmail.com>
10704         * tree.c (tree_size): Do not waste tail padding in
10705         struct tree_string and make the size be the same as
10706         build_string will generate.
10708 2006-06-28  Jason Merrill  <jason@redhat.com>
10710         PR c++/27768
10711         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10712         may_aliases already in the tag's annotations to the bitmap.
10714 2006-06-28  Roger Sayle  <roger@eyesopen.com>
10716         * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10718 2006-06-28  Roger Sayle  <roger@eyesopen.com>
10720         * genpreds.c (generate_switch_p): New function.
10721         (add_mode_tests): Push the new mode test down inside an AND expr
10722         if this allows the switch-suitable MATCH_CODE to be near the root.
10723         (write_match_code_switch): New function to write a MATCH_CODE as
10724         a switch statement.
10725         (write_predicate_stmts): New function to write a predicate RTX
10726         expression as a sequence of statements.
10727         (write_one_predicate_function): Use write_predicate_stmts.
10728         (write_tm_constrs_h): Likewise.
10730 2006-06-26  Fred Fish  <fnf@specifix.com>
10732         * config/mips/t-sb1: New file.
10733         * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10734         tmake_file list.
10736 2006-06-26  DJ Delorie  <dj@redhat.com>
10738         * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10740 2006-06-26  Naveen H.S  <naveenh@kpitcummins.com>
10741             Jayant Sonar  <jayants@kpitcummins.com>
10742             Jaydeep Vipradas  <jaydeepv@kpitcummins.com>
10744         * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10745         (subsi3, subsi3_1, subsi3_2): New.
10746         * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10747         * config/m32c/mov.md (SI mov peephole): New.
10748         * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10749         * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10751 2006-06-26  Olivier Hainque  <hainque@adacore.com>
10753         * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10754         a CALL_EXPR target function declaration.
10756 2006-06-26  Richard Guenther  <rguenther@suse.de>
10758         * tree.c (build_string): Do not waste tail padding in
10759         struct tree_string.
10761 2006-06-26  Richard Guenther  <rguenther@suse.de>
10763         * ggc-page.c (init_ggc): Add missing element to size_lookup
10764         table.
10766         Revert
10767         2006-06-23  Richard Guenther  <rguenther@suse.de>
10769         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10770         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
10771         alignment requests instead.  Add verification code.
10772         Add struct tree_function_decl and struct tree_binfo size to
10773         extra_order_size_table.  Add missing element to size_lookup
10774         table.
10776 2006-06-25  Eric Botcazou  <ebotcazou@adacore.com>
10778         PR middle-end/28151
10779         * fold-const.c (const_binop): Be prepared for self returning zero.
10780         Simplify code handling complex values.
10782 2006-06-24  Olivier Hainque  <hainque@adacore.com>
10784         * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10785         (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10786         aggregate types.
10788 2006-06-24  Olivier Hainque  <hainque@adacore.com>
10790         * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10791         ARRAY_REF, so have the callback called for the low bound expression.
10793 2006-06-23  Janis Johnson  <janis187@us.ibm.com>
10795         * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10796         * c-typeck.c (c_common_type): Disallow operations on decimal float
10797         types and other float types.
10798         * convert.c (convert_to_real): Don't ignore conversions involving
10799         decimal float types.
10801 2006-06-23  Olivier Hainque  <hainque@adacore.com>
10803         * tree.c (max_int_size_in_bytes): New function, inspired from
10804         code in function.c:assign_temp.
10805         * tree.h (max_int_size_in_bytes): Declare.
10806         * function.c (assign_temp): Use it.
10807         * gimplify.c (create_tmp_var): Relax the assertions on the type
10808         properties, not mandating constant size any more.
10809         (force_constant_size): New static function.
10810         (gimple_add_tmp_var): Use it, forcing variable size to a
10811         constant upper bound if it is not constant on entry.
10813 2006-06-23  Danny Smith   <dannysmith@users.sourceforge.net>
10815         PR target/27789
10816         * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10817         for initialization and setting of one_only flag to ...
10818         (i386_pe_encode_section_info): ...here.
10819         (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10820         Recheck that the symbol has not been defined.
10822 2006-06-23  Richard Guenther  <rguenther@suse.de>
10824         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10825         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
10826         alignment requests instead.  Add verification code.
10827         Add struct tree_function_decl and struct tree_binfo size to
10828         extra_order_size_table.  Add missing element to size_lookup
10829         table.
10831 2006-06-22  Roger Sayle  <roger@eyesopen.com>
10832             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10834         PR middle-end/28131
10835         * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10836         call to lang_hooks.types.type_for_mode returned NULL_TREE.
10838 2006-06-23  Ben Elliston  <bje@au.ibm.com>
10840         * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10841         negate dn -- manipulate it directly.
10843 2006-06-22  Roger Sayle  <roger@eyesopen.com>
10844             Steven Bosscher  <stevenb.gcc@gmail.com>
10846         PR target/27531
10847         * reload1.c (gen_reload): Call mark_jump_label on the new insns
10848         generated by gen_move_insn to add REG_LABEL notes if necessary.
10850 2006-06-22  Bob Wilson  <bob.wilson@acm.org>
10852         * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10853         (leaf_entry): Remove use of MIN_ESA.
10855 2006-06-22  Zdenek Dvorak <dvorakz@suse.cz>
10857         PR rtl-optimization/28121
10858         * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10859         the entry edge.
10861 2006-06-21  DJ Delorie  <dj@redhat.com>
10863         * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10864         (TN-16C-A156A/E).
10865         (mulhisi3_r): Likewise.
10867 2006-06-21  Richard Sandiford  <richard@codesourcery.com>
10869         PR middle-end/28034
10870         * coverage.c (coverage_counter_alloc): Leave the index type
10871         unspecified.
10872         (coverage_counter_alloc): Use null arguments for operands 2 and 3
10873         of the ARRAY_REF.
10875 2006-06-21  Andrew Pinski  <pinskia@physics.uc.edu>
10877         * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10878         section from the "Options for Code Generation Conventions".
10880 2006-06-21  Richard Henderson  <rth@redhat.com>
10882         PR target/26347
10883         PR target/27082
10884         * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10885         symbols.
10886         (global_symbolic_operand): Allow weak symbols, even if local_p.
10888 2006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
10890         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10891         (find_interesting_uses_address): Punt if above function returns true.
10893 2006-06-21  Richard Guenther  <rguenther@suse.de>
10895         * configure: Regenerated.
10897 2006-06-21  Joseph Myers  <joseph@codesourcery.com>
10899         * config/mips/mips.c (function_arg): Where one part of a
10900         complex argument is in registers and the other part in the stack,
10901         return a REG not a PARALLEL.
10903 2006-06-21  Mark Mitchell  <mark@codesourcery.com>
10905         * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10906         when cross-compiling.  Do not substitute libstdcxx_incdir.
10907         * configure: Regenerated.
10909 2006-06-21  Jakub Jelinek  <jakub@redhat.com>
10911         * varasm.c (mergeable_string_section): Check for embedded NULs and
10912         NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10913         rather than TREE_STRING_LENGTH bytes.
10915 2006-06-21  Richard Guenther  <rguenther@suse.de>
10917         * ggc-page.c (extra_order_size_table): Add var_ann_d,
10918         tree_ssa_name, bitmap_element and phi_node with 4 arguments
10919         sizes.
10921 2006-06-21  Richrad Guenther  <rguenther@suse.de>
10923         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10924         Limit iteration over the dominators.
10926 2006-06-20  Roger Sayle  <roger@eyesopen.com>
10928         * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10929         (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10931 2006-06-20  Richard Guenther  <rguenther@suse.de>
10932         Michael Matz  <matz@suse.de>
10934         * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10935         function.
10936         * alloc-pool.c (free_alloc_pool_if_empty): New function.
10937         * et-forest.h (et_free_pools): Prototype new function.
10938         * et-forest.c (et_free_tree_force): Free parent occurrence.
10939         (et_free_pools): New function.
10940         * dominance.c (free_dominance_info): Free et-forest alloc
10941         pools.
10943 2006-06-20  Roger Sayle  <roger@eyesopen.com>
10945         * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10946         integer modes, attempt to directly construct an integer constant.
10948         * fold-const.c (native_encode_vector): Determine the size of each
10949         element from the vector type instead of the first vector element.
10951         * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10952         if all of its elements/components are constant.
10953         (build_constructor_from_list): Likewise.
10955 2006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
10957         PR tree-optimization/27331
10958         * tree-data-ref.c (free_data_ref): New function.
10959         (create_data_ref): Fail if the data reference has unknown access
10960         function.
10961         (free_data_refs): Use free_data_ref.
10963 2006-06-19  Andrew Pinski  <pinskia@gmail.com>
10965         PR middle-end/28075
10966         * tree-inline.c (setup_one_parameter): Strip useless
10967         type conversion before adding it to the IR.
10968         (declare_return_variable): Likewise.
10970 2006-06-19  Martin Michlmayr  <tbm@cyrius.com>
10972         PR c/27149
10973         * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10975 2006-06-19  Mike Stump  <mrs@apple.com>
10977         * tree.c (variably_modified_type_p): VM arguments don't make the
10978         type a VM type.
10980 2006-06-19  Richard Guenther  <rguenther@suse.de>
10982         * tree-ssa-pre.c (try_combine_conversion): Strip useless
10983         type conversions after folding.
10985 2006-06-19  Richard Guenther  <rguenther@suse.de>
10987         * ggc-page.c (extra_order_size_tab): Add entries with
10988         size of struct function and basic_block.
10989         (size_lookup): Extend to cover sizes up to 511.
10990         (ggc_alloc_stat): Adjust user.
10991         (ggc_pch_count_object): Likewise.
10992         (ggc_pch_alloc_object): Likewise.
10993         (ggc_pch_write_object): Likewise.
10995 2006-06-19  Zdenek Dvorak <dvorakz@suse.cz>
10997         * tree-ssa-loop-niter.c (implies_ge_p): New function.
10998         (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10999         correctly.
11001 2006-06-19  Denis Chertykov  <denisc@overta.ru>
11003         * config/avr/libgcc.S : Correct my wrong previous commit.
11005 2006-06-19  Roger Sayle  <roger@eyesopen.com>
11007         PR target/27861
11008         * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11009         have stripped a SUBREG from the shift count, so we may need to
11010         convert_to_mode back to the type's mode before calling make_tree.
11011         Use new_amount instead of amount to avoid expanding a tree twice.
11013 2006-06-19  Richard Guenther  <rguenther@suse.de>
11015         PR middle-end/28045
11016         * fold-const.c (operand_equal_p): Check if the argument types
11017         have the same precision before stripping NOPs.
11019 2006-06-19  Daniel Berlin  <dberlin@dberlin.org>
11021         Fix PR tree-optimization/27341
11022         * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11023         statement we get.
11024         * tree-complex.c (pass_lower_complex): Update SMT usage.
11026 2006-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
11028         * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11029         Add a new alternative to the constraint strings. Add move of
11030         operand 1 to 3 to the splitter definition.
11031         ("doloop_si_long"): Second contraint alternative removed.
11033 2006-06-08  Anatoly Sokolov <aesok@post.ru>
11035         * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11036         (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11037         __AVR_HAVE_LPMX__.
11038         (AVR_HAVE_MOVW) Define.
11039         (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11040         (ASM_SPEC): Add avr25.
11041         (LINK_SPEC): Add avr25.
11042         * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11043         (base_arch_s): Add new member 'have_movw_lpmx'.
11044         (avr_arch_types): Init 'have_movw_lpmx'.
11045         (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11046         attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11047         attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11048         (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11049         (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11050         AVR_HAVE_MOVW.
11051         (avr_file_start): Do not output '.arh' derective.
11052         * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11053         (__do_copy_data): Use __AVR_HAVE_LPMX__.
11054         * config/avr/avr.md (mcu_enhanced): Delete.
11055         (mcu_have_movw): Define.
11056         (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11057         (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11058         * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11059         (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11060         attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11061         attiny861 and at86rf401 devices.
11063 2006-06-18  Jie Zhang  <jie.zhang@analog.com>
11065         * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11066         of 4096.
11068 2006-06-17  Karl Berry  <karl@gnu.org>
11070         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11071         doc/gccint.texi, doc/install.texi (@dircategory): Use
11072         "Software development" instead of "Programming", following
11073         the Free Software Directory.
11075 2006-06-17  Alexandre Oliva  <aoliva@redhat.com>
11077         * config/i386/i386.c (legitimate_tls_address)
11078         <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11079         * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11080         (*tls_dynamic_gnu2_combine_64): Likewise.
11082 2006-06-16  Richard Guenther  <rguenther@suse.de>
11084         PR middle-end/27116
11085         * fold-const.c (negate_expr_p): Do not introduce undefined
11086         overflow in negating INTEGER_CSTs.
11087         (fold_negate_expr): Rename from negate_expr.  Revert last
11088         change for folding BIT_NOT_EXPR.  Change semantics to
11089         return NULL_TREE for non-simplified negations.  Do not
11090         strip type conversions and unify type handling.
11091         (negate_expr): New function, wrap around fold_negate_expr
11092         but ensure building a tree always.  Strip type conversions
11093         here, fold to result type.
11094         (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11096 2006-06-16  Roger Sayle  <roger@eyesopen.com>
11098         PR middle-end/27802
11099         * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11100         that (would) return their results in stack registers.
11102 2006-06-16  Michael Matz  <matz@suse.de>
11103         Richard Guenther  <rguenther@suse.de>
11105         * fold-const.c (fold_truthop): Only return new tree node if
11106         we canonicalized something.
11108 2006-06-16  Richard Guenther  <rguenther@suse.de>
11110         * function.h (enum function_frequency): Move declaration
11111         out of struct function.
11112         (struct function): Move bool fields and the enum to the bitfield
11113         section.  Reorder elements to avoid padding.  Remove unused
11114         fields left over from the RTL inliner removal.
11115         * function.c (free_after_compilation): Do not zero removed fields.
11116         * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11117         (ipa-type-escape.o): Likewise.
11119 2006-06-16  Richard Guenther  <rguenther@suse.de>
11121         * cgraph.h (struct cgraph_local_info): Turn bool elements
11122         into a bitfield.
11123         (struct cgraph_node): Likewise.
11124         (struct cgraph_varpool_node): Likewise.
11126 2006-06-15  Richard Guenther  <rguenther@suse.de>
11128         * fold-const.c (fold_truth_not_expr): Rename from
11129         invert_truthvalue.  Give it fold_* semantics to avoid
11130         generating garbage.
11131         (invert_truthvalue): New function.  Wrapper around
11132         fold_truth_not_expr.
11133         (optimize_minmax_comparison): Avoid creating garbage.
11134         (fold_unary): Use fold_truth_not_expr for folding
11135         TRUTH_NOT_EXPR.
11136         (fold_ternary): Replace uses of invert_truthvalue with
11137         fold_truth_not_expr where applicable.
11138         * tree.h (fold_truth_not_expr): Prototype.
11140 2006-06-16  Richard Guenther  <rguenther@suse.de>
11142         PR tree-optimization/27781
11143         * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11144         * ipa-pure-const.c (target.h): Include.
11145         (analyze_function): Do not analyze functions that do not
11146         bind locally.
11148 2006-06-15  Andrew MacLeod  <amacleod@redhat.com>
11150         PR middle-end/27793
11151         * tree-dfa.c (referenced_vars_dup_list): Remove.
11152         (find_referenced_vars): Remove assert.
11153         (referenced_var_check_and_insert): Replace dup list with assert.
11154         * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11155         * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11157 2006-06-15  Richard Guenther  <rguenther@suse.de>
11159         * tree-ssa-structalias.c (alias_get_name): Avoid creating
11160         extra unused identifiers if not dumping.
11161         (create_variable_info_for): Likewise.
11163 2006-06-15  Zdenek Dvorak <dvorakz@suse.cz>
11165         * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11166         (derive_constant_upper_bound): Derive more precise upper bound in
11167         common cases.  Return type changed to double_int.
11168         (record_estimate): Reflect the changed return type of
11169         derive_constant_upper_bound.
11170         * double-int.c (double_int_zext, double_int_sext): Fix.
11172 2006-06-15  Paolo Bonzini  <bonzini@gnu.org>
11174         * configure.ac (CFLAGS): Get them from the toplevel or from the
11175         configure invocation.
11176         * configure: Regenerate.
11177         * Makefile.in (CFLAGS): Substitute value provided by configure.
11179 2006-06-14  Mark Mitchell  <mark@codesourcery.com>
11181         PR c++/26559
11182         * c-common.h (c_finish_omp_atomic): Adjust declaration.
11183         * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11184         rather than calling add_stmt on it.
11185         * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11187 2006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11189         PR middle-end/27959
11190         * reload1.c (reload): Remove registers returned by update_eliminables
11191         from used_spill_regs.
11193 2006-06-13  DJ Delorie  <dj@redhat.com>
11195         * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11197 2006-06-13  Carlos O'Donell  <carlos@codesourcery.com>
11199         * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11200         html__strip_dir, html__mkdir_p. Enhance install-html target.
11201         * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11202         * configure: Regenerate.
11204 2006-06-13  Fariborz Jahanian <fjahanian@apple.com>
11206         * fold-const.c (fold_cond_expr_with_comparison): Check for
11207         Objective-C++ as language in deciding COND_EXPR transformation.
11209 2006-06-06  J"orn Rennecke <joern.rennecke@st.com>
11211         PR target/28014:
11212         * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11213         * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11214         * config/sh/lib1funcs.h (SL, SL1): Define.
11215         * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11216         * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11217         * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11218         (OBJS_Os_4_200): New variable.
11219         ($(T)libgcc-Os-4-200.a): Use it.
11220         * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11221         when dividing 1 and/or by 0.
11223 2006-06-13  Roger Sayle  <roger@eyesopen.com>
11225         * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11226         before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11227         * configure: Regenerate.
11229 2006-06-13  Jie Zhang  <jie.zhang@analog.com>
11231         * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11232         for real instruction.
11234 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11236         PR middle-end/26807
11237         * haifa-sched.c (check_cfg): Handle special case.
11239 2006-06-13  Eric Botcazou  <ebotcazou@adacore.com>
11241         PR debug/26754
11242         * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11243         Add debug_info parameter.  Chain the vars to the BLOCK instead
11244         of the BIND_EXPR if debug info are requested for them.
11245         (pop_gimplify_context): Adjust for above change.
11246         (gimple_add_tmp_var): Likewise.
11247         * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11248         Add bool parameter.
11249         * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11250         (convert_local_reference): Likewise.
11251         (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11252         (finalize_nesting_tree_1): Request that debug info be emitted
11253         for debug_var_chain.
11255 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11257         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11258         for PR target/27863.
11260 2006-06-13  Richard Guenther  <rguenther@suse.de>
11262         PR middle-end/27536
11263         * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11265 2006-06-13  Richard Guenther  <rguenther@suse.de>
11267         PR tree-optimization/27830
11268         * tree-inline.c (copy_body_r): For copying the operand
11269         of an ADDR_EXPR make sure to fold &* afterwards.
11271 2006-06-12  Eric Botcazou  <ebotcazou@adacore.com>
11273         * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11274         lvalues in the fb_none case with side-effects.
11276 2006-06-12  Kazu Hirata  <kazu@codesourcery.com>
11278         * tree-flow.h: Remove the prototype for
11279         compute_phi_arg_on_exit.
11280         * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11281         protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11282         Remove.
11284 2006-06-12  Mark Shinwell  <shinwell@codesourcery.com>
11286         * builtins.c (expand_builtin_return_addr): Only use
11287         frame_pointer_rtx when count == 0 and we are expanding
11288         __builtin_return_address.
11290 2006-06-12  Fred Fish  <fnf@specifix.com>
11292         * config/mips/mips.c (mips_file_start): Create special section
11293         ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11295 2006-06-11  Eric Christopher  <echristo@apple.com>
11297         PR middle-end/27948
11298         * stor-layout.c (place_field): Remove check for
11299         remaining_in_alignment when aligning at the end of a run.
11301 2006-06-11  Eric Christopher  <echristo@apple.com>
11303         PR 27542
11304         * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11305         pragma.
11307 2006-06-11  Roger Sayle  <roger@eyesopen.com>
11309         PR target/27858
11310         Revert incorrect fix for PR target/27158
11311         2006-05-08  Roger Sayle  <roger@eyesopen.com>
11312         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11313         of a reg_equiv_constant if the result is a legitimate constant.
11315 2006-06-11  Roger Sayle  <roger@eyesopen.com>
11317         PR target/27158
11318         * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11319         extract a CONST_VECTOR element and interpret it as an integer.
11320         (vspltis_constant): Use const_vector_elt_as_int instead of the
11321         macro CONST_VECTOR_ELT in order to handle FP vector modes.
11322         * config/rs6000/predicates.md (easy_vector_const): Consider
11323         floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11325 2006-06-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11327         PR middle-end/27942
11328         * stor-layout.c (update_alignment_for_field): Don't add extra
11329         alignment for packed non-bitfield fields in ms_bitfield_layout_p
11330         code.
11332 2006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>
11334         * config/mips/t-rtems: Add EL/EB multilib variants.
11336 2006-06-09  Mike Stump  <mrs@apple.com>
11338         * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11340 2006-06-09  David Daney  <ddaney@avtrex.com>
11342         * doc/install.texi: Add binutils version recommendation for mips-*-*.
11344 2006-06-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11346         * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11348 2006-06-09  Richard Guenther  <rguenther@suse.de>
11350         PR tree-optimization/26998
11351         * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11352         of signed types, only TYPE_MIN_VALUE is special, but for both,
11353         minimum and maximum value.  Likewise VR_ANTI_RANGE is special
11354         in this case, as is -fwrapv.
11356 2006-06-08  Mike Stump  <mrs@apple.com>
11358         PR target/26427
11359         * config/darwin.c (darwin_asm_output_anchor): Disable
11360         -fsection-anchors on darwin for now.
11361         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11362         * rs6000/rs6000.c (optimization_options): Likewise.
11364 2006-06-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11366         PR target/27421
11367         * config/i386/i386.c (classify_argument): Skip fields with invalid
11368         types in unions.
11370 2006-06-08  Steven Bosscher  <steven@gcc.gnu.org>
11372         * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11373         (cse_insn): Likewise for the stack_pointer_rtx.
11375 2006-06-08  Roger Sayle  <roger@eyesopen.com>
11377         * tree-ssa-dom.c (record_conditions): Only record "unordered"
11378         conditions from floating point comparisons.
11380 2006-06-08  Paolo Bonzini  <bonzini@gnu.org>
11382         PR middle-end/27733
11383         * expmed.c (struct alg_hash_entry): Fix type of field T
11384         to match synth_mult argument.
11385         (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11387 2006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11389         PR target/27863
11390         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11391         block boundaries.
11393 2006-06-08  Richard Guenther  <rguenther@suse.de>
11395         PR middle-end/27116
11396         * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11397         only, if overflow is defined and not trapping.
11398         (negate_expr): Likewise.
11400 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
11402         PR tree-optimization/27872
11403         * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11404         flag on the new exit edge of the unrolled loop.
11406 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
11408         PR rtl-optimization/26449
11409         * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11411 2006-06-07  Andrew MacLeod  <amacleod@redhat.com>
11413         PR middle-end/27793
11414         * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
11415         referenced_variables with matching DECL_UID's.
11416         (find_referenced_vars): Make sure duplicate list is empty to start.
11417         (referenced_var_p): Remove.
11418         (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11419         Check if var is in the list, and add if needed.  Update the duplicate
11420         list if a different var is in the list with the same DECL_UID.
11421         (add_referenced_var): Call routine to check and insert.
11422         * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11423         * tree-flow.h (referenced_vars_dup_list): External declaration.
11425 2006-06-07  Fred Fish  <fnf@specifix.com>
11427         * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11428         into single entry.
11430 2006-06-07  Paolo Bonzini  <bonzini@gnu.org>
11432         PR target/27390
11433         * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11434         the imaginary and real parts of a clobbered register.
11435         Emit insn to set the imaginary part.
11437 2006-06-06  Peter Lemieszewski  <lemie@us.ibm.com>
11439         * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11440         in lieu of unwind-dw2-fde.c.
11442 2006-06-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
11444         * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11446 2006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>
11448         PR target/27842
11449         * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11450         ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11451         ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11452         V4SImode temporaries and operations instead.
11454 2006-06-06  Joseph S. Myers  <joseph@codesourcery.com>
11456         * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11457         dp-bit.c.
11459 2006-06-06  Mike Stump  <mrs@apple.com>
11461         * Makefile.in: Rename to htmldir to build_htmldir to avoid
11462         installing during build.
11464 2006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11466         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11467         value to 0.
11468         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11469         * config/ia64/ia64.c (params.h): New header.
11470         (ia64_optimization_options): New function to adjust parameters.
11471         * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11472         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11473         * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11475 2006-06-05  Kazu Hirata  <kazu@codesourcery.com>
11477         * stor-layout.c (debug_rli): Fix a typo in a debug message.
11479 2006-06-05  Steve Ellcey  <sje@cup.hp.com>
11481         PR target/27051
11482         * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11484 2006-06-05  Dorit Nuzman  <dorit@il.ibm.com>
11485             Victor Kaplansky  <victork@il.ibm.com>
11487         PR tree-optimization/26360
11488         * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11489         stmts.
11491 2006-06-04  Roger Sayle  <roger@eyesopen.com>
11492             Andrew Pinski  <pinskia@physics.uc.edu>
11494         PR middle-end/27382
11495         * c-common.c (c_common_truthvalue_conversion): Explicitly check
11496         for LABEL_DECL before calling DECL_WEAK.
11498         PR c/27150
11499         * c-typeck.c (build_binary_op): Likewise, explicitly check for
11500         LABEL_DECL and PARM_DECL.
11502 2006-06-05  Joseph S. Myers  <joseph@codesourcery.com>
11504         PR c/25161
11505         PR c/27020
11506         * c-decl.c (grokdeclarator): Disallow variably modified types at
11507         file scope.  Avoid marking shared array type of constant size as
11508         VLA.
11510 2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11512         PR c++/27601
11513         * c-common.c (fold_offsetof_1): Handle static members.
11515 2006-06-04 Eric Christopher <echristo@apple.com>
11517         * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11518         (debug_rli): Output value for remaining_in_alignment.
11519         (update_alignment_for_field): Unconditionalize
11520         ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11521         extra alignment code.
11522         (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11523         ms_bitfield_layout_p code. Rewrite handling of structure fields.
11524         * tree.h (record_layout_info_s): Remove prev_packed.
11525         * doc/extend.texi (ms_struct): Add documentation of format.
11527 2006-06-04  Mark Shinwell  <shinwell@codesourcery.com>
11529         * tree.h: Declare folding_initializer.
11530         * builtins.c (fold_builtin_constant_p): Give definite answer
11531         if folding inside an initializer.
11532         * fold-const.c: Define folding_initializer.
11533         (START_FOLD_INIT): Save and then set folding_initializer.
11534         (END_FOLD_INIT): Restore folding_initializer.
11536 2006-06-04  Richard Guenther  <rguenther@suse.de>
11538         PR tree-optimization/27039
11539         * fold-const.c (fold_comparison): Handle pointer comparison
11540         again for all comparison codes.  Compare offsets in signed
11541         size type.
11542         (fold_binary): Move code from here.
11544 2006-06-03  Roger Sayle  <roger@eyesopen.com>
11546         PR target/26223
11547         * config/i386/i386.c (construct_container): Split static issued_error
11548         flag into issued_sse_arg_error, issued_sse_ret_error and
11549         issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
11550         requires the use of x87 registers and the user explicitly
11551         specified the -mno-80387 command line option.
11553 2006-06-02  Geoffrey Keating  <geoffk@apple.com>
11555         * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11556         HAVE_DECL_SIGALTSTACK.
11557         (MC_FLD): New.
11558         (segv_handler): Use MC_FLD.
11559         * configure.ac: Check for a sigaltstack declaration.
11560         Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11561         * configure: Regenerate.
11562         * config.in: Regenerate.
11564 2006-06-03  J"orn Rennecke <joern.rennecke@st.com>
11566         PR other/27850
11567         * Makefile.in (stmp-fixinc): Fix typo.
11569 2006-06-02  Roger Sayle  <roger@eyesopen.com>
11571         * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11572         are type correct.  Clean-up.
11573         <REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
11574         <IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).
11576 2006-06-01  DJ Delorie  <dj@redhat.com>
11578         * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11579         shift, as we've disabled the "switch" insn that needs it.
11581 2006-06-01  Per Bothner  <bothner@bothner.com>
11583         Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11584         * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11585         * c-ppoutput.c (cb_define): Don't increment line 0.
11587 2006-06-01  Pete Steinmetz  <steinmtz@us.ibm.com>
11589         * doc/invoke.texi: Add cpu_type power6.
11590         * config.gcc: Add cpu_type power6.
11591         * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11592         to power5+ with Altivec.
11593         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11594         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11596 2006-05-30  Anatoly Sokolov <aesok@post.ru>
11598         * config/avr/avr.h (SET_ASM_OP): Define.
11600 2006-06-01  Kazu Hirata  <kazu@codesourcery.com>
11602         * config/bfin/bfin.c: Fix comment typos.
11604 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
11606         PR 25453
11607         * doc/install.texi: Document --enable-bootstrap and
11608         --disable-bootstrap.
11610 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
11612         * doc/install.texi: Document that InfoZIP can replace jar.
11614 2006-05-31  Roger Sayle  <roger@eyesopen.com>
11616         * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11617         isn't available, directly generate the simpler x87 patterns without
11618         the (use (const_int 0)).
11619         * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11620         implementation isn't available.
11621         (*negdf2_1): Likewise.
11622         (*negxf2_1): XF mode negation is always done using the x87.
11623         (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11625 2006-05-31  Roger Sayle  <roger@eyesopen.com>
11627         * builtins.c (fold_builtin_cabs): Delete prototype.  Require an
11628         additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
11629         cabs(z).
11630         (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11632 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
11634         * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11635         * config/bfin/bfin.c (basic-block.h): Include.
11636         (struct machine_function): New.
11637         (bfin_init_machine_status): New.
11638         (override_options): Initialize init_machine_status.
11639         (bfin_hardware_loop): New.
11640         (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11641         (DEF_VEC_P (loop_info)): New.
11642         (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11643         (struct loop_info): New.
11644         (loop_info): New typedef.
11645         (struct loop_work): New.
11646         (loop_work): New typedef.
11647         (DEF_VEC_O (loop_work)): New.
11648         (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11649         (bfin_dump_loops): New.
11650         (bfin_bb_in_loop): New.
11651         (bfin_scan_loop): New.
11652         (bfin_optimize_loop): New.
11653         (bfin_reorg_loops): New.
11654         (bfin_reorg): Use bfin_reorg_loops.
11655         * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11656         loop registers.
11657         (I_REGNO_P): Simplify.
11658         (DP_REGNO_P, DPREG_P): New macros.
11659         (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11660         REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11661         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11662         Add LT_REGS, LC_REGS, LB_REGS.
11663         (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11664         'l' for LB_REGS.
11665         (REGNO_REG_CLASS): Deal with loop registers.
11666         * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11667         letters.
11668         (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11669         New constants for loop registers.
11670         (UNSPEC_LSETUP_END): New.
11671         (seq_insns): New define_attr. Set it for appropriate insns.
11672         (movsi_insn): Add alternatives for move from/to
11673         loop count registers.
11674         (doloop_end): New define_expand.
11675         (loop_end): New define_insn.
11676         (define_split for bad doloop_end): New.
11677         (lsetup_with_autoinit): New define_insn.
11678         (lsetup_without_autoinit): New define_insn.
11679         (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11680         * config/bfin/predicates.md (lc_register_operand): New.
11681         (lt_register_operand): New.
11682         (lb_register_operand): New.
11683         (nondp_register_operand): New.
11684         (nondp_reg_or_memory_operand): New.
11685         * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11687 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
11689         * config/bfin/bfin.c (bfin_delegitimize_address): New.
11690         (TARGET_DELEGITIMIZE_ADDRESS): Define.
11692 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
11694         * Makefile.in (CATALOGS): Add po/ prefix.
11695         * configure: Regenerated.
11697 2006-05-31  Richard Earnshaw  <richard.earnshaw@arm.com>
11699         PR target/27829
11700         * arm.c (arm_print_operand case 'S'): Validate that the operand is
11701         a shift operand before calling shift_op.  Avoid redundant call of
11702         shift_op.
11704 2006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
11705             DJ Delorie  <dj@redhat.com>
11707         * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11708         we're inserting is a singlt-bit constant.
11710 2006-05-30  Roger Sayle  <roger@eyesopen.com>
11712         * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11713         width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11715 2006-05-30  Roger Sayle  <roger@eyesopen.com>
11717         PR tree-optimization/23452
11718         * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11719         to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11720         (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11721         complex values and with -ffast-math for FP complex values.
11723 2006-05-30  Kazu Hirata  <kazu@codesourcery.com>
11725         * c-common.h: Remove the prototype for yyparse.
11726         * rtl.h: Remove the prototype for init_loop.
11728 2006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>
11730         * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11731         calling recog.
11733 2006-05-30  Roger Sayle  <roger@eyesopen.com>
11735         * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11736         and rotate cases.
11737         <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11738         log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11740 2006-05-30  Dirk Mueller  <dmueller@suse.de>
11742         PR c/27273
11743         * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11744         for CONSTANT_CLASS_P expresisons.
11746 2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11748         PR c/27718
11749         * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11751 2006-05-30  Zdenek Dvorak <dvorakz@suse.cz>
11753         PR tree-optimization/27779
11754         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11755         initial_condition instead of CHREC_LEFT.
11757 2006-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
11759         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11760         * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11761         Make prototypes ISO C90.
11763 2006-05-30  Mircea Namolaru  <namolaru@il.ibm.com>
11764             Leehod Baruch    <leehod.baruch@weizmann.ac.il>
11766         * see.c (see_analyze_one_def): Correct check.
11767         (see_get_extension_data): Check if extension is parallel.
11768         (see_get_extension_reg): Likewise.
11770 2006-05-30  Uros Bizjak  <uros@kss-loka.si>
11772         PR target/27790
11773         * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11774         into register for (code == GTU).
11776 2006-05-29  Roger Sayle  <roger@eyesopen.com>
11778         PR tree-optimization/24964
11779         * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11780         <MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
11781         signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
11782         abs(x)*abs(x) as x*x for scalar floating point modes.
11784 2006-05-29  Sebastian Pop  <pop@cri.ensmp.fr>
11786         PR middle-end/27745
11787         * lambda-code.c (perfect_nestify): Don't copy statements
11788         in the inner loop: move them to the inner loop header.
11790 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
11792         PR 26237
11793         * c-tree.texi: Document OpenMP directives and clauses.
11795 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
11797         * varasm.c (globalize_decl): Fix indentation.
11799 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
11801         PR 26242
11802         * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11803         pass_fre, pass_store_ccp, pass_copy_prop,
11804         pass_store_copy_prop, pass_merge_phi, pass_nrv,
11805         pass_return_slot, pass_object_size, pass_lim,
11806         pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11807         pass_loop_prefetch and pass_stdarg.
11809 2005-05-29  Bernd Schmidt  <bernd.schmidt@analog.com>
11811         * config/bfin/bfin.opt (mfdpic): New option.
11812         * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11813         (EXTRA_MULTILIB_PARTS): Likewise.
11814         (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11815         (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11816         multilib.
11817         * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11818         (CRT_CALL_STATIC_FUNCTION): New.
11819         * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11820         -shared.
11821         (CRT_CALL_STATIC_FUNCTION): New.
11822         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
11823         FD-PIC moves.
11824         (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11825         (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11826         (initialize_trampoline): Changed to handle FD-PIC code generation.
11827         (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11828         (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11829         (override_options): Disallow -mid-shared-library -mfdpic combination.
11830         Can't do unaligned ops if FD-PIC.
11831         Turn off flag_pic if trying to generate non-id-shared-library
11832         non-fdpic code, since it's not supported.
11833         (bfin_assemble_integer): New function.
11834         (TARGET_ASM_INTEGER): Define.
11835         * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11836         __BFIN_FDPIC__.
11837         * config/bfin/crtn.s: Restore them.
11838         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11839         if TARGET_FDPIC.
11840         (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11841         LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11842         (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11843         (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11844         (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11845         call-used.
11846         (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11847         FDPIC_REGS and FDPIC_FPTR_REGS.
11848         (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11849         * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11850         UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11851         (load_funcdescsi): New pattern.
11852         (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11853         sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11854         call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11856 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
11858         * gcse.c, rtlanal.c: Remove obsolete comments associated with
11859         loop.c.
11861         * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11863         * tree-flow.h: Remove the prototype for add_type_alias.
11864         * tree-ssa-alias.c (add_type_alias): Remove.
11866 2006-05-28  Kazu Hirata  <kazu@codesourcery.com>
11868         * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11869         config/fr30/fr30.md, config/i386/i386-interix.h,
11870         config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11871         config/sh/superh64.h, config/v850/v850.c, df-core.c,
11872         df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11873         lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11874         reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11875         tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11876         Follow spelling conventions.
11877         * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11878         Follow spelling conventions.
11880 2006-05-27  Richard Guenther  <rguenther@suse.de>
11882         PR middle-end/27773
11883         * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11884         to produce a constant of value 1 of generic type.
11886 2006-05-27  Dirk Mueller  <dmueller@suse.de>
11888         * cgraphunit.c (decide_is_function_needed): Fix wrong
11889         PR reference.
11891 2006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
11893         PR rtl-optimization/27661
11894         * reload.c (find_reloads): When reloading a VOIDmode constant
11895         as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11896         use Pmode as mode of the reload register.
11898 2006-05-26  Eric Botcazou  <ebotcazou@adacore.com>
11900         * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11901         is enabled at -O and above.
11903 2006-05-26  Steven Bosscher  <steven@gcc.gnu.org>
11905         PR target/27571
11906         * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11907         table data.
11909 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
11911         PR c++/20103
11912         * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11913         for anonymous variables explicitly declared by front ends.
11915 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
11917         * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11918         (struct alias_info): Add new field ref_all_symbol_mem_tag.
11919         * tree-ssa-alias.c (compute_may_aliases): If the program contains
11920         ref-all pointers, run a finalization pass for them.
11921         (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11922         (finalize_ref_all_pointers): New function.
11923         (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11924         regular pointer type to a ref-all pointer type.
11925         (get_tmt_for): Return the special memory tag for ref-all pointers.
11927 2006-05-25  Richard Guenther  <rguenther@suse.de>
11929         PR middle-end/27743
11930         * fold-const.c (fold_binary): Do not look at the stripped
11931         op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11933 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
11935         * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11936         for LT and GT if the computed range is effectively empty.
11938 2006-05-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11940         PR target/27627
11941         * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11942         mips_quad_format formats instead of ieee_single_format,
11943         ieee_double_format and ieee_quad_format formats, respectively.
11945 2006-05-24  Zdenek Dvorak <dvorakz@suse.cz>
11947         PR tree-optimization/27639
11948         PR tree-optimization/26719
11949         * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11950         call to scev_probably_wraps_p.
11951         * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11952         used_in_pointer_arithmetic_p, convert_step): Removed.
11953         (nowrap_type_p): New function.
11954         (scev_probably_wraps_p): Rewritten.
11955         * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11956         chrec_convert if chrec_convert_aggressive might have been used.
11957         * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11958         scev_direction): New functions.
11959         (chrec_convert): Changed to a wrapper over chrec_convert_1.
11960         * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11961         instead of convert_step.
11962         * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11963         (convert_step): Declaration removed.
11964         (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11966 2006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11968         * df-core.c: Added to header comments.
11969         * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11970         df_ur_bb_info, df_urec_bb_info): Added comments.
11971         * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11972         urec, ri problems): Fixed header comments.
11973         (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11974         code from df_rd_transfer_function.
11976 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
11978         * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11979         (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11980         MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
11982 2006-05-23  Joseph Myers  <joseph@codesourcery.com>
11984         * expr.c (undefined_operand_subword_p): New.
11985         (emit_move_multi_word): Do not generate move from undefined bits
11986         of a paradoxical subreg.
11988 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
11990         PR rtl-optimization/27736
11991         * combine.c (replaced_rhs_value): New variable.
11992         (combine_instructions): Set it.
11993         (distribute_notes): When distributing a note in replaced_rhs_insn,
11994         check whether the value was used in replaced_rhs_value.
11996 2006-05-23  Andrew MacLeod  <amacleod@redhat.com>
11998         PR c++/26757
11999         * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12000         add_referenced_var instead of add_referenced_tmp_var.
12001         * tree-complex.c (create_one_component_var): Use add_referenced_var.
12002         * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12003         add_referenced_var.
12004         * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12005         tree_optimize_tail_calls_1): Use add_referenced_var.
12006         * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12007         * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12008         Use add_referenced_var.
12009         * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12010         * gimplify.c (force_gimple_operand): Use add_referenced_var.
12011         * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12012         Use add_referenced_var.
12013         * tree-dfa.c (struct walk_state): Remove.
12014         (find_referenced_vars): Remove walk state and vars_found hash table.
12015         (make_rename_temp): Use add_referenced_var.
12016         (find_vars_r): Pass less parameters to add_referenced_var.
12017         (referenced_var_p): New.  Is var in referenced_var hash table.
12018         (referenced_var_insert): Assert var isn't already in hash table.
12019         (add_referenced_var): Don't need walk_state parameter.  Add var if it
12020         isn't already in the hash table.
12021         (add_referenced_tmp_var): Remove.
12022         (find_new_referenced_vars_1): Use add_referenced_var.
12023         * tree-ssa-pre.c (create_expression_by_pieces,
12024         insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12025         Use add_referenced_var.
12026         * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12027         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12028         lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12029         add_referenced_var.
12030         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12031         vect_create_data_ref_ptr, vect_create_destination_var,
12032         vect_init_vector, vect_build_loop_niters,
12033         vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12034         vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12035         Use add_referenced_var.
12036         * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12037         * tree-flow.h (add_referenced_tmp_var): Remove prototype
12038         (add_referenced_var): Add prototype.
12039         * tree-ssa-structalias.c (get_constraint_for,
12040         intra_create_variable_infos): Use add_referenced_var.
12042 2006-05-23  Alexandre Oliva  <aoliva@redhat.com>
12044         * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12045         big-endian paradoxical subregs.
12046         * var-tracking.c (struct micro_operation_def): Document that,
12047         for modify micro operations, insn is the subsequent instruction.
12048         (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12049         (var_reg_set, var_mem_set): ... new functions.
12050         (add_stores): Record subsequent insn.
12051         (compute_bb_dataflow): Use new functions for MO_USE.
12052         (emit_notes_in_bb): Use new functions for MO_USE.  Emit use
12053         notes after the insn, and modify notes before the insn known
12054         to be the subsequent one.
12055         (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12057 2006-05-23  Kazu Hirata  <kazu@codesourcery.com>
12059         PR target/27696
12060         * config/i386/i386.c (ix86_expand_builtin): Use
12061         gen_sse3_monitor64 for TARGET_64BIT.
12063 2006-05-22  Kenneth Zadeck <zadeck@naturalbridge.com>
12065         PR rtl-optimization/26375
12066         PR rtl-optimization/26855
12067         * df-problems (df_ru_bb_local_compute_process_def): Removed update
12068         to gen set.
12069         (df_ru_bb_local_compute): Reversed statements and removed bogus
12070         comment explaining why they should be in wrong order.
12071         (df_ru_dump, df_rd_dump): Enhanced debug info.
12072         * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12073         debug info.
12074         * ddg.c (add_deps_for_def): Converted use of reaching defs to
12075         reaching uses and fixed space problem.
12077 2006-05-23  Jan Hubicka  <jh@suse.cz>
12079         * cgraphunit.c (decide_is_function_needed): Also nested functions
12080         and functions declared inline can be optimized out at -O0.
12082 2006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>
12084         * doc/install.texi (Configuration): Remove reference to CrossGCC
12085         FAQ which was gone.
12086         (Building): Ditto.
12088 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
12090         PR target/27266
12091         * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12092         ix86_compare_emitted is non-NULL.
12094 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12096         PR c++/27451
12097         * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12098         clobbers.
12100 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
12102         PR rtl-optimization/25514
12103         * combine.c (replaced_rhs_insn): New variable.
12104         (combine_instructions): Set replaced_rhs_insn when trying to replace
12105         a SET_SRC with a REG_EQUAL note.
12106         (distribute_notes): Use replaced_rhs_insn when determining the live
12107         range of a REG_DEAD register.
12109 2006-18-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12110             Anatoly Sokolov <aesok@post.ru>
12112         * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12113         attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12114         attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12115         atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12116         atmega3290, atmega649, atmega6490, atmega406, atmega640,
12117         atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12118         at90usb647, at90usb1286 and at90usb1287 devices.
12119         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12120         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12122 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
12124         * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12126 2006-05-22  Richard Guenther  <rguenther@suse.de>
12128         Revert
12129         2006-01-31  Richard Guenther  <rguenther@suse.de>
12130         Paolo Bonzini  <bonzini@gnu.org>
12132         * doc/install.texi (--disable-libgcc-math): Document.
12134 2006-05-22  Richard Guenther  <rguenther@suse.de>
12136         Revert
12137         2006-01-31  Richard Guenther  <rguenther@suse.de>
12139         * doc/invoke.texi (-msselibm): Document.
12140         * target.h (expand_library_builtin): New target hook.
12141         * builtins.c (expand_builtin): Use expand_library_builtin.
12142         (default_expand_library_builtin): New function.
12143         * gcc.c (LINK_GCC_MATH_SPEC): Define.
12144         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12145         (link_gcc_math_spec): Declare.
12146         (static_specs): Add link_gcc_math_spec.
12147         * expr.h (default_expand_library_builtin): Declare.
12148         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12149         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12150         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12151         * config/i386/i386.opt (msselibm): New target option.
12152         * config/i386/i386.c (ix86_builtin_function_variants): New array.
12153         (ix86_init_sse_abi_builtins): New function.
12154         (ix86_expand_library_builtin): Likewise.
12155         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12156         (override_options): Handle error conditions wrt -msselibm.
12157         (ix86_builtins): Add function codes for SSE2 ABI builtins.
12158         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12159         * doc/extend.texi (__builtin_sse2_*): Document new target specific
12160         builtins.
12162 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12164         PR c/27420
12165         * c-common.c (self_promoting_args_p): Skip erroneous args.
12167         PR c/26818
12168         * c-decl.c (finish_struct): Skip erroneous fields.
12170 2006-05-22  Nick Clifton  <nickc@redhat.com>
12172         * config/cris/cris.opt (march): Remove VarExists attribute.
12173         (max-stackframe=): Likewise.
12175 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
12177         * doc/rtl.texi: Fix a typo.
12178         * see.c: Fix comment typos.
12180         * tree-ssa-structalias.h (alias_info): Remove num_references.
12182 2006-05-21  Mike Stump  <mrs@apple.com>
12184         * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12185         (BAD2): Add.
12186         (darwin_pragma_options): Use BAD instead.
12187         (darwin_pragma_unused): Likewise.
12188         (darwin_pragma_ms_struct): Likewise.
12190 2006-05-21  David Edelsohn  <edelsohn@gnu.org>
12192         * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12194 2006-05-21  Kazu Hirata  <kazu@codesourcery.com>
12196         PR rtl-optimization/27671
12197         * simplify-rtx.c (simplify_relational_operation_1): Fix
12198         simplifications of (eq/ne (xor x y) y) and
12199         (eq/ne (xor x y) x).
12201         PR tree-optimization/26622.
12202         * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12203         on arg1.
12205 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
12207         * tree-cfg.c: Prune whitespace.
12208         (debug_tree_cfg): Point to correct header containing the
12209         TDF_* defines.
12211 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
12213         PR middle-end/25776
12214         * cgraphunit.c (verify_cgraph_node): Typo in error message.
12216 2006-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
12218         PR middle-end/25776
12219         * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12220         or sorry count is non zero.
12222 2006-05-20  Andreas Schwab  <schwab@suse.de>
12224         * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12226 2006-05-19  Daniel Berlin  <dberlin@dberlin.org>
12227             Kenneth Zadeck <zadeck@naturalbridge.com>
12229         PR rtl-optimization/26855
12231         * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12232         multiword refs.
12233         (df_scan_alloc): Added code to properly handle multiword hard
12234         registers and add all_blocks parameter.
12235         (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12236         code to properly handle multiword hard registers.
12237         (df_rescan_blocks): Added code to remove deleted blocks from
12238         bitmap.
12239         (df_ref_create_structure, df_ref_record): Added code to properly
12240         handle subregs.
12241         (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12242         and set DF_REF_PARTIAL.
12243         (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12244         (df_uses_record): Added DF_REF_PARTIAL for subreg.
12245         (df_scan_add_problem): Added flags parameter.
12246         (df_ref_create_structure): Changed switching structure.
12247         (df_bb_refs_record): Fixed case where duplicate artificial refs
12248         were created.  Changed location of flags.
12249         (df_record_entry_block_defs): Added code to make stack pointer
12250         live in entry block.  Refined cases where frame pointer is needed.
12251         Changed location of flags.
12252         (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12253         (df_set_state): Removed function.
12254         (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12255         df_insn_create_insn_record, df_insn_refs_delete,
12256         df_ref_create_structure): Formatting changes.
12257         * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12258         df_delete_basic_block): New function.
12259         (df_init): Changed location of flags.
12260         (df_add_problem): Added flags parameter and the way flags are
12261         processed.
12262         (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12263         debug_df_chain): Improved debugging output.
12264         (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12265         (df_refs_chain_dump): Removed df parameter.
12266         (df_iterative_dataflow): Added consistency check.
12267         (df_prune_to_subcfg): Made public.
12268         (df_analyze_problem): Added blocks_to_init parameter and made
12269         public.
12270         (df_ref_record, df_bb_refs_record, df_mark_reg,
12271          df_record_exit_block_uses): Whitespace changes.
12272         (df_dump): Whitespace changes.
12273         * df.h: Some reordering to remove forward references.
12274         (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12275         DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12276         (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12277         (dataflow.flags): New field.
12278         (df.flag): Deleted field.
12279         (df_alloc_function): Added additional bitmap parameter.
12280         (df_dependent_problem_function): New type.
12281         (df_problem.changeable_flags): New field.
12282         (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12283         DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12284         (df_mw_hardreg): New struct.
12285         (DF_INSN_UID_MWS): New macro.
12286         (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12287         parameter.
12288         (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12289         df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12290         df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12291         (df_set_state): Removed function.
12292         (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12293         * df-problems.c (df_chain_dump): Removed df parameter.
12294         (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12295         df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12296         parameter.
12297         (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12298         (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12299         df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12300         Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12301         DF_REF_MUST_CLOBBER cases.
12302         (df_ru_bb_local_compute_process_def,
12303         df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12304         df_lr_bb_local_compute, df_ur_bb_local_compute,
12305         df_chain_create_bb): Made subreg aware.
12306         (df_ru_bb_local_compute, df_rd_bb_local_compute,
12307         df_lr_bb_local_compute, df_lr_bb_local_compute,
12308         df_chain_create_bb): Cleanup to use proper macros.
12309         (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12310         code to fixup bitvectors.
12311         (df_ri_alloc): Cleared lifetime.
12312         (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12313         df_create_unused_note): New function.
12314         (df_ri_bb_compute, df_ri_compute): Added code to create/update
12315         REG_DEAD and REG_UNUSED notes as well as register information.
12316         (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12317         df_chains_dump): Fixed crash if problem was never run.
12318         (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12319         df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12320         df_ri_add_problem): Processes flags in uniform manner.
12321         (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12322         df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12323         df_rd_dump, df_urec_free_bb_info): Formatting changes.
12324         (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12325         df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12326         df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12327         df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12328         df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12329         df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12330         * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12331         * see.c (see_initialize_data): Ditto.
12332         * final.c (rest_of_clean_state) Added regstack_completed.
12333         * rtl.h (regstack_completed): Ditto.
12334         * reg-stack.c (regstack_completed): Ditto.
12336 2006-05-19  Mike Stump  <mrs@apple.com>
12338         * c-tree.h (default_conversion): Remove.
12339         * c-common.h (default_conversion): Add.
12341 2006-05-19  Zdenek Dvorak <dvorakz@suse.cz>
12343         * tree-vrp.c (valid_value_p): New function.
12344         (adjust_range_with_scev): Fail if the value of bound is not
12345         simple.
12347 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
12349         * config/mips/linux-unwind.h: Include <asm/unistd.h>
12350         (mips_fallback_frame_state): Use syscall numbers to determine
12351         the appropriate li instruction for the current ABI.  Only use
12352         __NR_sigreturn for o32.
12354 2006-05-19  Nicolas Setton  <setton@adacore.com>
12356         * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12357         * langhooks.c (lhd_dwarf_name): New function.
12358         * langhooks-def.h (lhd_dwarf_name): Declare.
12359         (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12360         * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12362 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
12364         * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12365         libgcc2.h.
12366         (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12367         MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
12368         LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12369         * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12370         Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12371         determine the size of Wtype, etc.
12372         * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12373         (swfloatfuncs): New variable.
12374         (dwfloatfuncs): Likewise.
12375         (lib2funcs): Remove floating-point conversion functions from
12376         initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
12377         the set of conversion routines needed.  Allow entries to specify
12378         an object name, filename and word size.  Update users accordingly.
12379         * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12380         * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12382         Revert:
12384         2006-02-08  Roger Sayle  <roger@eyesopen.com>
12386         PR target/22209
12387         * config/fixtfdi.c: New libgcc source file.
12388         * config/fixunstfdi.c: New source file.
12389         * config/floatditf.c: New source file.
12390         * config/floatunditf.c: New souce file.
12391         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12392         files above instead of config/mips/_tilib.c.
12393         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12395 2006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12397         * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12398         * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12400 2006-05-18  Mike Stump  <mrs@apple.com>
12402         Fix up vla, vm and [*] sematics.
12404         PR c/18740
12405         PR c/7948
12406         PR c/25802
12407         PR c/27673
12408         * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12409         (c_vla_unspec_p): Add.
12410         (c_vla_type_p): Add.
12411         * c-decl.c (struct c_scope): Add had_vla_unspec.
12412         (build_array_declarator): Add support for [*].
12413         (grokdeclarator): Likewise.
12414         (grokparms): Likewise.
12415         (get_parm_info): Likewise.
12416         * c-objc-common.c (c_vla_unspec_p): Likewise.
12417         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12418         * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12419         typeof when argument is a variably modified type not inside sizeof or alignof.
12420         (c_parser_direct_declarator_inner): Propagate errors.
12421         (c_parser_sizeof_expression): Add support for [*].
12422         (c_parser_parms_declarator): Initialize had_vla_unspec.
12423         (c_parser_parms_list_declarator): Likewise.
12424         * c-typeck.c (c_vla_type_p): Add.
12425         (composite_type): Add support for vla compositing.
12426         (comptypes_internal): Add support for vla compatibility.
12427         (c_expr_sizeof_expr): Evaluate vla arguments.
12428         * tree.c (variably_modified_type_p): Update comment for [*].
12430 2006-05-18  Michael Matz  <matz@suse.de>
12432         PR target/27599
12433         * config.host: Make assignments to host_xmake_file cumulative.
12434         * config.host (*-darwin*): Test $host, not $target.
12436 2006-05-12  Stuart Hastings  <stuart@apple.com>
12438         * config/i386/i386.opt (-mstackrealign): New flag.
12439         * config/i386/i386.c (force_align_arg_pointer): New attribute.
12440         (ix86_handle_cconv_attribute): Emit error when
12441         force_align_arg_pointer attribute collides with too many regparms.
12442         (ix86_function_regparm): Limit regparms when used with
12443         force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
12444         Support stack-realigning prologue in non-main functions.  Emit
12445         warning for nested functions under -mstackrealign, emit error for
12446         nested functions with force_align_arg_pointer attribute.
12447         * doc/extend.texi (force_align_arg_pointer): Document it.
12448         * doc/invoke.texi (-mstackrealign): Document it.
12450 2006-05-17  Kazu Hirata  <kazu@codesourcery.com>
12452         PR rtl-optimization/27477
12453         * combine.c (try_combine): Don't split a parallel consisting
12454         of two sets into two individual sets if both sets reference
12455         cc0.
12457 2006-05-17  H.J. Lu  <hongjiu.lu@intel.com>
12459         * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12460         * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12462         * doc/options.texi (VarExists): Updated.
12464 2006-05-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12466         * unwind-dw2.c: Add declarations for uw_update_context and
12467         uw_frame_state_for.
12468         * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12469         detected, advance frame state and context once to skip over stub.
12471 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
12473         PR middle-end/20256
12474         PR middle-end/26435
12475         * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12476         Call rewrite_into_loop_closed_ssa only when something changed.
12477         * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12478         * lambda-code.c (can_convert_to_perfect_nest): Declared.
12479         (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12480         Test for perfect_nest_p here.  Fix formating.
12481         (replace_uses_equiv_to_x_with_y): Fix formating.
12482         (stmt_uses_op): Removed.
12483         (can_convert_to_perfect_nest): Removed loopivs parameter.
12484         Complete the test by checking the scalar dependences.
12485         (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12486         Fix formating.
12488 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12490         PR bootstrap/22541
12491         From Dan Kegel <dank@kegel.com>:
12492         * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12494 2006-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12496         * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12497         if the element type is variably modified without recursing.
12499 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
12501         PR middle-end/27332
12502         * tree-loop-linear.c (try_interchange_loops): Test for
12503         no data dependences.
12505 2006-05-17  Zdenek Dvorak <dvorakz@suse.cz>
12507         PR tree-optimization/27548
12508         * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12509         range of ssa names that appear on abnormal edges.
12510         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12511         * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12513 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12515         PR middle-end/27620
12516         * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12518 2006-05-17  Jakub Jelinek  <jakub@redhat.com>
12520         PR middle-end/27415
12521         * tree.h (OMP_PARALLEL_COMBINED): Define.
12522         * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12523         (new_omp_context): Add is_combined_parallel argument.
12524         (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12525         new_omp_context caller.
12526         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12527         Adjust gimplify_scan_omp_clauses callers.
12528         (omp_is_private): Issue errors if iteration variable is firstprivate
12529         or reduction in the current context.
12530         * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12531         on combined parallel workshare constructs.
12533 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12535         * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12536         (gcc-options.o): New rule.
12538         * optc-gen.awk: Protect variables for gcc-options.o with
12539         #ifdef GCC_DRIVER/#endif.
12541 2006-05-16  Daniel Berlin <dberlin@dberlin.org>
12543         Fix PR tree-optimization/27373
12544         * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12545          (forward_propagate_addr_expr): Update call.
12547 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12549         * doc/options.texi: Move the Negative option.
12551 2006-05-16  Richard Guenther  <rguenther@suse.de>
12553         PR tree-optimization/22303
12554         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12555         from STRING_CSTs.
12556         (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12557         ccp_fold did not simplify the statement.
12559 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
12561         PR driver/26885
12562         * Makefile.in (GCC_OBJS): New.
12563         (OBJS-common): Add opts-common.o.
12564         (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12565         (cpp$(exeext)): Likewise.
12566         (gcc.o): Also depend on opts.h.
12567         (opts-common.o): New.
12569         * common.opt (gcoff): Add Negative(gdwarf-2).
12570         (gdwarf-2): Add Negative(gstabs).
12571         (gstabs): Add Negative(gstabs+).
12572         (gstabs+): Add Negative(gvms).
12573         (gvms): Add Negative(gxcoff).
12574         (gxcoff): Add Negative(gxcoff+).
12575         (gxcoff+): Add Negative(gcoff).
12576         * config/i386/i386.opt (m32): Add Negative(m64).
12577         (m64): Add Negative(m32).
12579         * doc/options.texi: Document the Negative option.
12581         * gcc.c: Include "opts.h".
12582         (main): Call prune_options after expandargv.
12584         * optc-gen.awk: Generate common declarations for all flag
12585         variables in options.c. Output the neg_index field.
12587         * opts.c (find_opt): Moved to ...
12588         * opts-common.c: Here. New file.
12590         * opts.h (cl_option): Add a neg_index field.
12591         (find_opt): New.
12592         (prune_options): Likewise.
12594 2006-05-16  Jakub Jelinek  <jakub@redhat.com>
12596         PR middle-end/27573
12597         * omp-low.c (expand_omp_parallel): Don't assert
12598         .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12599         instead search for it.
12601         PR c/27499
12602         * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12603         is signed.
12605 2006-05-16  Andreas Schwab  <schwab@suse.de>
12607         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12608         defmac.
12610 2006-05-15  Roger Sayle  <roger@eyesopen.com>
12612         PR target/26600
12613         * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12614         integer constants other than zero are only legitimate on TARGET_64BIT.
12615         <CONST_VECTOR> Only zero vectors are legitimate.
12616         (ix86_cannot_force_const_mem): Integral and vector constants can
12617         always be put in the constant pool.
12619 2006-05-16  DJ Delorie  <dj@redhat.com>
12621         * crtstuff.c (__dso_handle): Set section from
12622         TARGET_LBIGCC_SDATA_SECTION if defined.
12623         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12624         * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12626 2006-05-16  Danny Smith  <dannysmith@users.sourceforge.net>
12628         PR target/27599
12629         * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12630         host_xmake_file.
12632 2006-05-16  Ben Elliston  <bje@au.ibm.com>
12634         * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12636 2006-05-15  Per Bothner  <per@bothner.com>
12638         * tree.c: (last_annotated_node): Use source_locus typedef.
12639         This permits bootstrapping with --enable-mapped-location.
12641 2006-05-15  Zdenek Dvorak <dvorakz@suse.cz>
12643         PR tree-optimization/26830
12644         * tree-into-ssa.c (struct ssa_name_info): Add age field.
12645         (info_for_ssa_name, current_info_for_ssa_name_age,
12646         blocks_to_update): New variables.
12647         (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12648         (clear_ssa_name_info, initialize_flags_in_bb,
12649         mark_block_for_update): New functions.
12650         (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12651         (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12652         prepare_def_site_for): Use mark_block_for_update.
12653         (mark_def_interesting): Assert that the processed block is marked in
12654         blocks_to_update.  Do not take blocks argument.
12655         (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12656         argument.
12657         (rewrite_update_init_block, rewrite_update_stmt): Only process
12658         blocks with statements to rewrite.
12659         (delete_update_ssa): Do not clear SSA_NAME_AUX.
12660         (update_ssa): Initialize and free blocks_to_update.  Do not
12661         clear flags on statements.  Do not use blocks bitmap.
12662         * tree.h (SSA_NAME_AUX): Removed.
12663         (struct tree_ssa_name): Removed aux field.
12664         * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12666 2006-05-15  Richard Guenther  <rguenther@suse.de>
12668         PR tree-optimization/27603
12669         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12670         Do computations in original type.
12672 2006-05-15  Mircea Namolaru  <namolaru@il.ibm.com>
12674         * see.c: Code style changes such as redundant paranthesis,
12675         redundant intialization of local variables etc.
12676         (see_main): Declared now as static.
12677         * doc/invoke.texi: Update that -fsee is not enabled by
12678         default at -O3.
12680 2006-05-15  Jakub Jelinek  <jakub@redhat.com>
12682         * omp-low.c (check_omp_nesting_restrictions): New function.
12683         (scan_omp_1): Call it.
12685         PR middle-end/27416
12686         * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12687         construct, return *VAR.
12689 2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
12691         PR rtl-optimization/27406
12692         * bt-load.c (migrate_btr_def): Skip the block having abnormal
12693         edges.
12695 2006-05-14  Roger Sayle  <roger@eyesopen.com>
12697         PR rtl-optimization/27538
12698         * combine.c (expand_compound_operation): Call gen_lowpart
12699         before calling simplify_shift_const.
12701 2006-05-14  Roger Sayle  <roger@eyesopen.com>
12703         PR rtl-optimization/22563
12704         * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12705         a fixed width bitfield, always force the intermediates into psuedos.
12707 2006-05-14  Bernhard Fischer  <aldot@gcc.gnu.org>
12709         PR 27501
12710         * mkconfig.sh: Use operator = instead of == for test.
12712 2006-05-13  Nick Clifton  <nickc@redhat.com>
12714         * dwarf2out.c (dbx_reg_number): Check return value from
12715         LEAF_REG_REMAP and only use it if it is valid.
12716         (multiple_reg_loc_descriptor): Likewise.
12718 2006-05-13  Richard Guenther  <rguenther@suse.de>
12720         * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12721         host_xmake_file.
12723 2006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
12725         * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12726         information attached to non-INSNs such as NOTEs.
12727         (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12729 2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
12731         * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12732         On contraint.
12733         * config/s390/s390.md: Adjust comment describing On constraint.
12735 2006-05-11  Jan Hubicka  <jh@suse.cz>
12737         * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12738         to be output at -O0.
12740 2006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12742         PR middle-end/27384
12743         * fold-const.c (size_binop): Move sanity check for arguments to
12744         the beginning of the function.
12746         PR middle-end/27488
12747         * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12748         expression.
12750 2006-05-11  Richard Guenther  <rguenther@suse.de>
12752         PR middle-end/27529
12753         * fold-const.c (fold_unary): Handle intermediate conversion
12754         to a pointer type like intermediate conversion to an integer
12755         type in folding of (T1)(T2)var to var.
12756         Match the code to the comment in the final conversion for
12757         (T1)(T2)var to (T1)var regarding to type precision.  Rather
12758         than disallow T1 being of pointer type, assert that both T1
12759         and var are of pointer type or not.  Make sure not to fall
12760         over the frontends lazyness wrt array to pointer decay though.
12762 2006-05-10  Richard Earnshaw  <rearnsha@arm.com>
12764         * arm.c (arm_struct_value_rtx): Delete.
12765         (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12766         (arm_init_cumulative_args): Always initialize nregs to zero.
12768 2006-05-10  Richard Guenther  <rguenther@suse.de>
12770         PR tree-optimization/27532
12771         * tree-object-size.c (plus_expr_object_size): Fix typo.
12773 2006-05-10  Kazu Hirata  <kazu@codesourcery.com>
12775         PR target/24949
12776         * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12777         ashrdi_const, ashrdi3): Use a scratch register.
12779 2006-05-10  Richard Guenther  <rguenther@suse.de>
12781         PR tree-optimization/27302
12782         * fold-const.c (operand_equal_p): For two comparisons,
12783         try comparison of one comparison code swapped if that yields
12784         the same code.
12786 2006-05-10  Ben Elliston  <bje@au.ibm.com>
12788         * tree-pretty-print.c (pretty_print_string): No need to handle
12789         '\0' as a special character.
12791         * tree.h: Include "hashtab.h".
12792         (iterative_hash_expr): Use hashval_t in its prototype.
12793         * Makefile.in (TREE_H): Add $(HASHTAB_H).
12795 2006-05-09  Steve Ellcey  <sje@cup.hp.com>
12797         PR bootstrap/26872
12798         * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12799         (hppa*64*-*-hpux11*): Ditto.
12800         (hppa[12]*-*-hpux11*): Ditto.
12802 2006-05-09  David Edelsohn  <edelsohn@gnu.org>
12804         PR target/26545
12805         * config/rs6000/aix41.h (TARGET_64BIT): Define.
12807 2006-05-09  Michael Matz  <matz@suse.de>
12809         * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12810         host_extra_gcc_objs and host_xmake_file.
12811         (<*-*-linux*>): Don't overwrite host_xmake_file.
12812         * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12813         * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12814         (host_detect_local_cpu): Declare.
12815         (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12816         * config/i386/i386.c (override_options): Handle -mtune=native
12817         as -mtune=generic.
12818         * config/i386/x-i386: New file.
12819         * config/i386/driver-i386.c: New file.
12820         * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12821         cpu-type "native".
12823 2006-05-09  Dirk Mueller  <dmueller@suse.de>
12824         Richard Guenther  <rguenther@suse.de>
12826         PR middle-end/27498
12827         * fold-const.c (fold_read_from_constant_string): Relax check
12828         for matching types to matching modes.
12830 2006-05-09  Zdenek Dvorak <dvorakz@suse.cz>
12832         PR rtl-optimization/27335
12833         * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12834         loops.
12836 2006-05-08  Chao-ying Fu  <fu@mips.com>
12837             Richard Sandiford  <richard@codesourcery.com>
12839         * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12840         (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12841         * config/mips/mips.md (UNSPEC_SCC): New constant.
12842         * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12843         * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12844         (mips_emit_compare): Use it.
12845         (mips_expand_vcondv2sf): New function.
12847 2006-05-08  Daniel Berlin  <dberlin@dberlin.org>
12849         Fix PR tree-optimization/27093
12850         * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12851         renaming when they become not-used_alone.
12853 2006-05-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12855         * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12856         relocation and relocation stubs.
12858 2006-05-08  Eric Christopher  <echristo@apple.com>
12860         * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12861         section for ppc.
12863 2006-05-08  Jan Hubicka  <jh@suse.cz>
12865         PR middle-end/24561
12866         * cgraphunit.c (decide_is_function_needed): When not optimizing even
12867         unused static functions are needed.
12869 2006-05-08  Roger Sayle  <roger@eyesopen.com>
12871         PR target/27158
12872         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12873         of a reg_equiv_constant if the result is a legitimate constant.
12875 2006-05-08  Uros Bizjak  <uros@kss-loka.si>
12877         PR target/27277
12878         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12879         standard 80387 constants, raise the cost to prevent
12880         compress_float_constant() to generate load from memory.
12882 2006-05-08  Kazu Hirata  <kazu@codesourcery.com>
12884         * config/arm/constraints.md (c): Fix a typo.
12886         * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12887         typos.
12889 2006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
12891         PR target/24879
12892         * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12893         inline function.
12894         (_mm_mwait): Likewise.
12896         * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12897         "mwait".
12898         (sse3_monitor): Make it 32bit only.
12899         (sse3_monitor64): New. 64bit monitor.
12901 2006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12903         PR target/27421
12904         * config/i386/i386.c (classify_argument): Skip fields with invalid
12905         types.
12907 2006-05-07  Richard Guenther  <rguenther@suse.de>
12909         PR tree-optimization/27409
12910         * tree-ssa-structalias.c (get_constraint_for_component_ref):
12911         Do not try to find zero-sized subvars.
12913 2006-05-07  Richard Guenther  <rguenther@suse.de>
12915         PR tree-optimization/27136
12916         * tree-ssa-loop-niter.c (get_val_for): Correct function
12917         comment, assert requirements.
12918         (loop_niter_by_eval): Stop processing if the iterated
12919         value did not simplify.
12921 2006-05-07  Mircea Namolaru  <namolaru@il.ibm.com>
12923         * opts.c (flag_see): remove its setting at -O3.
12925 2006-05-07  Richard Earnshaw  <rearnsha@arm.com>
12927         * genpeep.c (main): Make insn-peep.c depend on flags.h.
12928         * arm/constraints.md: New file.
12929         * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12930         (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12931         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12932         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12933         (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12934         (EXTRA_MEMORY_CONSTRAINT): Likewise.
12935         * arm.md: Include constraints.md.
12936         (thumb_movsi_insn): Use satisfies_constraint_J.
12937         (movhi, movqi): Use satisfies_constraint_I.
12939 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12941         * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12942         for atmeg a645 device.
12944 2006-05-06   Richard Guenther  <rguenther@suse.de>
12946         PR tree-optimization/27151
12947         * tree-vect-transform.c (vectorizable_condition): Punt on
12948         values that have a different type than the condition.
12950 2006-05-03  Aldy Hernandez  <aldyh@redhat.com>
12952         PR/21391
12953         * c-parser.c (c_parser_cast_expression): Only insert casts into
12954         hash table if pointer.
12955         * function.c (used_types_insert_helper): Rename from
12956         used_types_insert.
12957         (used_types_insert): Call used_types_insert_helper.
12958         * function.h (used_types_insert): Accept only one argument.
12960 2006-05-05  David Edelsohn  <edesohn@gnu.org>
12962         * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12963         scratch with output modifier.
12965 2006-05-04  David Edelsohn  <edelsohn@gnu.org>
12967         PR target/26481
12968         * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12969         with output modifier.
12971 2006-05-04  Richard Sandiford  <richard@codesourcery.com>
12973         PR target/26765
12974         * config/mips/mips.c (mips_symbolic_address_p): Return true
12975         for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12976         SYMBOL_GOTTPREL, and SYMBOL_TLS.
12978 2006-05-04  Richard Guenther  <rguenther@suse.de>
12980         PR tree-optimization/14287
12981         PR tree-optimization/14844
12982         PR tree-optimization/19792
12983         PR tree-optimization/21608
12984         PR tree-optimization/27090
12985         * tree-ssa-pre.c (try_combine_conversion): New function.
12986         (compute_avail): After constructing the value-handle
12987         expression, use try_combine_conversion to combine NOP_EXPRs
12988         with previous value-handle expressions and use the result if it
12989         is available.
12991 2006-05-04  Joseph S. Myers  <joseph@codesourcery.com>
12993         * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12995 2006-05-04  Jan Hubicka  <jh@suse.cz>
12997         PR middle-end/25962
12998         * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13000 2006-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
13002         * config/bfin/predicates.md (const01_rtx): Tell generator programs
13003         that this only matches CONST_INTs.  All users changed to VOIDmode
13004         operands.
13006         * config/bfin/bfin.c: Include "optabs.h".
13007         (bfin_rtx_costs): Some costs for vector operations, to allow combine
13008         to do more work.
13009         (enum bfin_builtins): Add a number of fractional and vector builtins.
13010         (bfin_init_builtins): Likewise.
13011         (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13012         (safe_vector_operand, bfin_expand_binop_builtin,
13013         bfin_expand_unop_builtin): New functions.
13014         (bfin_expand_builtin): Handle the new builtins.
13015         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13016         __ADSPBLACKFIN__.
13018 2006-05-04  Leehod Baruch  <leehod@il.ibm.com>
13020         * see.c: New file.
13021         * Makefile.in (OBJS-common): Add see.o.
13022         (see.o): Add dependencies.
13023         * common.opt (fsee): New flag for the see optimization was added.
13024         * opts.c (flag_see): Initialized.
13025         * passes.c (init_optimization_passes, pass_see): New pass.
13026         * rtl.h (see_main): Declaration as extern.
13027         * timevar.def (TV_SEE): New.
13028         * tree-pass.h (pass_see): Declaration as extern.
13029         * invoke.texi (-fsee): Document.
13030         * recog.c (validate_simplify_insn): New function.
13031         * recog.h (validate_simplify_insn): Declaration as extern.
13032         * df-problems.c (df_chain_dump): Check for NULL.
13034 2006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
13035             Daniel Berlin  <dberlin@dberlin.org>
13037         * cfgrtl.c (insert_insn_bb_end_new): New function.
13038         * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13040 2006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>
13042         * df.h (struct web_entry): Moved from web.c.
13043         (union_defs): Declaration as extern.
13044         (unionfind_root): Likewise.
13045         (unionfind_union): Likewise.
13046         * web.c (struct web_entry): Moved to df.h.
13047         (unionfind_root): Remove static declaration.
13048         (unionfind_union): Likewise.
13049         (union_defs): Likewise and generalize to use callback function.
13050         (web_main): Update arguments for union_defs function call.
13052 2006-05-04  Richard Guenther  <rguenther@suse.de>
13054         PR tree-optimization/26447
13055         * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13056         produce SSA_NAME copies before the store stmt to avoid
13057         breaking exception handling.
13059 2006-05-04  Jakub Jelinek  <jakub@redhat.com>
13061         PR middle-end/27388
13062         * gimplify.c (omp_is_private): If var is shared in some outer context,
13063         return false instead of true.  Stop searching on parallel context
13064         boundary.
13066 2006-05-03  Alexandre Oliva  <aoliva@redhat.com>
13068         PR java/8260
13069         * coverage.c: Use get_gcov_unsigned_t() instead of
13070         unsigned_type_node all over.
13072 2006-05-02  Andrew MacLeod  <amacleod@redhat.com>
13074         PR tree-optimization/27381
13075         * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13076         maintain the same immediate_use links.
13077         * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13078         node rather than segfaulting.
13080 2006-05-03  Jakub Jelinek  <jakub@redhat.com>
13082         PR fortran/27395
13083         * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13084         rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
13085         bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13087 2006-05-02  Daniel Berlin  <dberlin@dberlin.org>
13089         Fix PR tree-optimization/26626
13090         * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13091         always.
13092         * tree-ssa-operands.c (access_can_touch_variable): Allow
13093         typecasting through union pointers.
13095 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
13097         PR c++/26943
13098         * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13099         (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13100         to find if var will be a global variable even in the nested context.
13101         (omp_copy_decl): Only check for global variable at the end, it might
13102         be overridden in outer contexts.
13103         (scan_sharing_clauses): For global variables don't create a field.
13104         (lower_rec_input_clauses): Do nothing for global shared variables.
13105         Emit a barrier at the end of ILIST if there were any decls in both
13106         firstprivate and lastprivate clauses.
13107         (lower_send_clauses): Do nothing for global variables except for
13108         COPYIN.
13110 2006-05-02  Zdenek Dvorak <dvorakz@suse.cz>
13112         * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13113         of the correct signedness is returned.
13115 2006-05-02  Jeff Law  <law@redhat.com>
13117         PR tree-optimization/27364
13118         * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13119         multiply expressions.
13121 2006-05-02  Tom Tromey  <tromey@redhat.com>
13123         * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13125 2006-05-02  Kazu Hirata  <kazu@codesourcery.com>
13127         PR target/27387
13128         * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13129         -mthumb -fPIC are used.
13131 2006-05-02  Stanislaw Skowronek  <skylark@linux-mips.org>
13132             Joshua Kinard  <kumba@gentoo.org>
13134         PR target/25871
13135         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13136         with 64-bit pointers.
13138 2006-05-02  Paul Brook  <paul@codesourcery.com>
13140         * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13141         and pool overlap.
13142         (create_fix_barrier): Check that a suitable barrier location is
13143         found.
13144         (arm_reorg): Include ftmp->address in allowable range of addresses.
13146 2006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
13148         PR ada/27366
13149         * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13150         on Cygwin.
13152 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
13154         PR middle-end/27337
13155         * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13156         around RESULT_DECL for result passed by reference.
13157         (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13158         * omp-low.c (use_pointer_for_field): Don't look at
13159         DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13160         (scan_omp_1): Call remap_decl on RESULT_DECLs.
13161         (lower_rec_input_clauses): Don't allocate VLA memory for the second
13162         time or var for passing by reference for
13163         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
13164         TREE_ADDRESSABLE variables when passing by reference.
13166         * omp-low.c (dump_omp_region): Fix output formatting.
13168         PR middle-end/27328
13169         * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13170         (expand_omp_parallel): Likewise.
13171         * tree-cfg.c (move_sese_region_to_fn): Likewise.
13173         PR middle-end/27325
13174         * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13175         on statement list containing also constructors and destructors.
13176         (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13178         PR middle-end/27310
13179         * except.c (duplicate_eh_regions): Fix clearing of
13180         cfun->eh->region_array entries.
13182 2006-05-01  DJ Delorie  <dj@redhat.com>
13184         * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13185         build!=host.
13186         (gcc_cv_objdump): Likewise.
13187         * configure: Regenerated.
13189 2006-05-01  Kazu Hirata  <kazu@codesourcery.com>
13191         PR target/27374
13192         * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13193         templates for case 3 and 4.
13195 2006-05-01  DJ Delorie  <dj@redhat.com>
13197         * vec.c: Include bconfig.h when appropriate.
13198         * Makefile.in (build/vec.o): Adjust dependencies.
13199         * mkconfig.sh: Make sure config.h isn't used for build machine
13200         compiles.
13202 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13204         * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13205         variables.
13206         (mark_phi_for_rewrite): New function.
13207         (insert_phi_nodes_for, mark_use_interesting): Call
13208         mark_phi_for_rewrite.
13209         (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13210         (update_ssa): Initialize and free phis_to_rewrite.
13212 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13214         PR rtl-optimization/27291
13215         * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13216         folded to a constant.
13218 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13220         PR tree-optimization/27283
13221         * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13222         not whole # of iteration descriptions.
13223         (niter_for_exit): Return just # of iterations.  Fail if # of iterations
13224         uses abnormal ssa name.
13225         (niter_for_single_dom_exit): Ditto.
13226         (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13227         return just the number of iterations.
13229 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
13231         PR tree-optimization/27144
13232         * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13233         (record_estimate): Only record constant upper bound.
13234         (infer_loop_bounds_from_undefined): Call
13235         compute_estimated_nb_iterations just once.
13236         (proved_non_wrapping_p): Renamed to ...
13237         (n_of_executions_at_most): ... this.  Expect bound to be a constant.
13238         (convert_step_widening, scev_probably_wraps_p): Call
13239         n_of_executions_at_most instead of proved_non_wrapping_p.
13240         (substitute_in_loop_info): Do not replace values in bounds.
13241         * cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
13242         comments.
13244 2006-05-01  Richard Henderson  <rth@redhat.com>
13246         PR c/27358
13247         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13248         c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
13249         CPP_PRAGMA.
13251 2006-05-01  Roger Sayle  <roger@eyesopen.com>
13253         * c-typeck.c (parser_build_binary_op): Don't call the function
13254         unsigned_conversion_warning to spot operand/result type overflow.
13255         (build_binary_op): Instead, call convert_and_check instead of
13256         convert to report the problem when the operands are promoted.
13257         * c-common.c (unsigned_conversion_warning): Make static.
13258         * c-common.h (unsigned_conversion_warning): Delete prototype.
13260 2006-05-01  Richard Guenther  <rguenther@suse.de>
13262         PR tree-optimization/26726
13263         * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13264         problem ...
13265         (find_interesting_uses_address): ... we work around here
13266         by folding INDIRECT_REFs in the substituted base.
13268 2006-05-01  Diego Novillo  <dnovillo@redhat.com>
13270         * omp-low.c (dump_omp_region): Add newlines.
13272 2006-04-30  Roger Sayle  <roger@eyesopen.com>
13274         * common.opt (Woverflow): New command line option.
13275         * c-common.c (constant_expression_warning): Check warn_overflow.
13276         (overflow_waring): Pass OPT_Woverflow to warning.
13277         (unsigned_conversion_warning): Likewise.
13278         (convert_and_check): Likewise.
13279         * doc/invoke.texi: Document new command line option.
13281 2006-04-30  David Edelsohn  <edelsohn@gnu.org>
13283         * config/rs6000/rs6000.c (rs6000_override_options): Enable
13284         TARGET_NO_FP_IN_TOC for section anchors.
13285         (optimization_options): Enable section anchors for all
13286         non-"Objective" languages.
13288 2006-04-28  Eric Christopher  <echristo@apple.com>
13290         * config/darwin-c.c (darwin_ms_struct): Move this
13291         (darwin_set_default_type_attributes): and this...
13292         * config/darwin.c: ... here.
13293         * config/darwin.h (darwin_ms_struct): Declare.
13295 2006-04-28  Andrew MacLeod  <amacleod@redhat.com>
13297         * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13299 2006-04-28  Roger Sayle  <roger@eyesopen.com>
13301         PR c/25309
13302         * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13303         (push_array_bounds): Delete prototype.  Change BOUNDS argument to
13304         an unsigned HOST_WIDE_INT.
13305         (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13306         array index.
13307         (really_start_incremental_init): No need to call convert because
13308         bitsize_zero_node is already of type bitsizetype.
13309         (push_init_level): Extract the value of constructor_index as an
13310         unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13311         (process_init_element): Likewise.
13313 2006-04-28  Joseph S. Myers  <joseph@codesourcery.com>
13315         * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13316         value before passing to make_relative_prefix.
13318 2006-04-28  Alan Modra  <amodra@bigpond.net.au>
13320         PR middle-end/27260
13321         * builtins.c (expand_builtin_memset): Expand val in original mode.
13323 2006-04-27  Eric Christopher  <echristo@apple.com>
13325         * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13326         with #ifndef/#endif.
13327         * config/darwin-c.c (darwin_ms_struct): New.
13328         (darwin_pragma_ms_struct): Ditto.
13329         (darwin_set_default_type_attributes): Ditto.
13330         * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13331         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13332         Register ms_struct pragma.
13333         * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13334         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13335         * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13336         darwin_set_default_type_attributes if TARGET_MACHO.
13338 2006-04-27  Andrew MacLeod  <amacleod@redhat.com>
13340         PR tree-optimization/26854
13341         * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13342         * doc/tree-ssa.texi: Update immuse iterator documentation.
13343         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13344         * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13345         * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13346         first_safe_imm_use, next_safe_imm_use): Remove.
13347         (end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
13348         (end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
13349         (move_use_after_head): New.  Helper function to sort immuses in a stmt.
13350         (link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
13351         (first_imm_use_stmt): New.  Get first stmt in an immuse list.
13352         (next_imm_use_stmt): New.  Get next stmt in an immuse list.
13353         (first_imm_use_on_stmt): New.  Get first immuse on a stmt.
13354         (end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
13355         (next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
13356         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13357         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13358         (perfect_nestify): Use new iterator.
13359         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13360         iterator.
13361         * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13362         (next_imm_name): New field in struct immediate_use_iterator_d.
13363         (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13364         (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13365         FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13366         * tree-cfg.c (replace_uses_by): Use new iterator.
13367         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13368         * tree-ssa-operands.c (correct_use_link): Remove.
13369         (finalize_ssa_use_ops): No longer call correct_use_link.
13371 2006-04-27  Stuart Hastings  <stuart@apple.com>
13373         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13374         * config/t-darwin (crt3.o): Use it.
13375         * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13376         'pmode', use Pmode instead of SImode for SYMBOL_REF.
13377         * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13378         call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13379         call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13380         support.
13382 2006-04-27  Roger Sayle  <roger@eyesopen.com>
13384         * expmed.c (store_fixed_bit_field): If we're not optimizing for
13385         size, force the intermediate into a new pseudo rather instead of
13386         performing both a bitwise AND and a bitwise IOR in memory.
13388 2006-04-27  Richard Guenther  <rguenther@suse.de>
13390         PR rtl-optimization/26685
13391         * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13392         this one "max-flow-memory-locations".
13394 2006-04-27  Richard Guenther  <rguenther@suse.de>
13396         PR tree-optimization/25148
13397         * tree-vrp.c (compare_values): Remove code dealing with
13398         comparisons against type min/max value.  Honour overflow
13399         and negative constants in code dealing with comparisons
13400         of plus and minus expressions.
13401         (value_inside_range): Use fold_binary with LE_EXPR and
13402         GE_EXPR rather than compare_values.
13404 2006-04-27  Dirk Mueller  <dmueller@suse.de>
13406         * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13407         prototype for SSE.
13409 2006-04-26  Kenneth Zadeck <zadeck@naturalbridge.com>
13411         * basic-block.h (safe_insert_insn_on_edge): Removed.
13412         * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13414 2006-04-26  David Edelsohn  <edelsohn@gnu.org>
13415             Paolo Bonzini  <bonzini@gnu.org>
13417         PR middle-end/27282
13418         * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13419         (simplify_and_const_int): Same.
13421 2006-04-26  Aldy Hernandez  <aldyh@redhat.com>
13423         * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13425 2006-04-26  Jakub Jelinek  <jakub@redhat.com>
13427         PR c/26171
13428         * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13429         cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13430         cgraph_global_info_ready.
13432         PR middle-end/26913
13433         * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13435         PR c/25996
13436         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13437         either decl or init is error_mark_node.
13439         PR middle-end/25989
13440         * tree-flow.h (struct omp_region): Add sched_kind.
13441         * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13442         instead of extracting omp for data.
13443         (expand_omp_for): Save extracted sched_kind.
13445 2006-04-25  Roger Sayle  <roger@eyesopen.com>
13447         * expmed.c (store_bit_field): Also check whether the bitsize is
13448         valid for the machine's "insv" instruction before moving the
13449         target into a pseudo for use with the insv.
13450         * config/i386/predicates.md (const8_operand): New predicate.
13451         * config/i386/i386.md (extv, extzv, insv): Use the new
13452         const8_operand predicate where appropriate.
13454 2006-04-25  DJ Delorie  <dj@redhat.com>
13456         * doc/install.texi (Specific): Clarify that this is not a list of
13457         supported hosts or targets.
13459 2006-04-25  Richard Sandiford  <richard@codesourcery.com>
13461         PR rtl-optimization/26725
13462         * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13463         block's BB_DIRTY flag.
13465 2006-04-25  Geoffrey Keating  <geoffk@apple.com>
13467         * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13468         are no branches.
13470         * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13471         to print an integer.
13473 2006-04-25  David Edelsohn  <edelsohn@gnu.org>
13475         * varasm.c (align_variable): New function.
13476         (get_block_for_decl): Apply align_variable to DECL before
13477         calculating section information.
13478         (assemble_variable): Split out alignment computation.
13480 2006-04-25  Andreas Krebbel  <krebbel1@de.ibm.com>
13482         * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13483         machines.
13485 2006-04-25  Bernd Schmidt  <bernd.schmidt@analog.com>
13487         * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13488         MODE_PARTIAL_INT mode.
13489         * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13490         * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13491         for CONST_INTs.
13492         (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13493         * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13494         V2PDImode.
13495         * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13496         New predicates.
13497         * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13498         New constants.
13499         (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13500         MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13501         MACFLAG_IH): Likewise.
13502         (movstricthi_1): Renamed from "*movstricthi".
13503         (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13504         ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13505         abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13506         movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13507         movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13508         movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13509         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13510         sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13511         addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13512         mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13513         ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13514         flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13515         flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13516         flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13517         flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13519         * doc/rtl.texi (ss_ashift): Improve wording.
13521 2006-04-24  Geoffrey Keating  <geoffk@apple.com>
13523         * dwarf2out.c (verify_marks_clear): New.
13524         (prune_unused_types): Call verify_marks_clear initially, not
13525         prune_unmark_dies.
13527 2006-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
13529         * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13530         * doc/rtl.texi: Document them.
13531         * simplify-rtx.c (simplify_unary_operation,
13532         simplify_binary_operation_1): Don't abort when we see them.
13534 2006-04-24  Mark Mitchell  <mark@codesourcery.com>
13536         Revert:
13537         2006-04-23  Mark Mitchell  <mark@codesourcery.com>
13538         * configure.ac: Completely disregard languages that are not
13539         enabled.
13540         * configure: Regenerated.
13542 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
13543         Richard Guenther  <rguenther@suse.de>
13545         PR tree-optimization/27236
13546         * tree-inline.c (copy_body_r): Make sure to copy
13547         TREE_THIS_VOLATILE flag.
13549 2006-04-24  Richard Guenther  <rguenther@suse.de>
13551         PR middle-end/26869
13552         * tree-complex.c (update_parameter_components): Don't handle
13553         unused parameters which have no default def.
13555 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
13556         Richard Guenther  <rguenther@suse.de>
13558         PR tree-optimization/27218
13559         * tree-inline.c (expand_call_inline): Strip useless type
13560         conversions for the return slot address.
13562 2006-04-24  Richard Guenther  <rguenther@suse.de>
13564         * cfgloop.h (struct loops): Remove unused field array.  Reorder
13565         state after num.
13566         (LOOP_PREFETCH): Remove.
13568 2006-04-24  Richard Guenther  <rguenther@suse.de>
13570         PR tree-optimization/22525
13571         * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13572         variable, adjust types of generated expressions.
13574 2006-04-23  H.J. Lu  <hongjiu.lu@intel.com>
13576         * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13577         (tree-vect-patterns.o): Likewise.
13578         (jump.o): Likewise.
13579         (cselib.o): Likewise.
13580         (loop-doloop.o): Likewise.
13581         (regclass.o): Likewise.
13582         (reload1.o): Likewise.
13583         (explow.o): Replace target.h with $(TARGET_H).
13584         (ipa-prop.o): Likewise.
13585         (ipa-cp.o): Likewise.
13586         (ipa-inline.o): Likewise.
13587         (reorg.o): Likewise.
13588         (reg-stack.o): Likewise.
13590 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13592         * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13594 2006-04-23  Mark Mitchell  <mark@codesourcery.com>
13596         * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13598         * configure.ac: Completely disregard languages that are not
13599         enabled.
13600         * configure: Regenerated.
13602         PR c++/26534
13603         * c-common.h (c_build_bitfield_integer_type): Declare.
13604         * c-decl.c (c_build_bitfield_integer_type): Move to ...
13605         * c-common.c (c_build_bitfield_integer_type): ... here.
13607 2006-04-23  Roger Sayle  <roger@eyesopen.com>
13609         PR target/21283
13610         * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13611         a SImode SUBREG of a floating point register after no_new_pseudos.
13613 2006-04-23  Roger Sayle  <roger@eyesopen.com>
13615         * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13616         identify potentially eliminable registers to additionally catch
13617         VIRTUAL_INCOMING_ARGS_REGNUM.
13618         (addsi3): Update the conditions on when to use addsi_small_int.
13620 2006-04-23  Roger Sayle  <roger@eyesopen.com>
13622         PR target/16641
13623         * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13624         STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13625         rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13627 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
13629         * fold-const.c (range_predecessor): Use operand_equal_p
13630         as the predicate for equality.
13631         (range_successor): Likewise.
13633 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
13635         Revert:
13636         * config/soft-fp/op-common.h: Fix a typo.
13638 2006-04-22  Frank Ch. Eigler  <fche@redhat.com>
13640         PR libmudflap/26864
13641         * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13642         * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13644 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
13646         * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13647         Fix comment typos.
13648         * doc/tm.texi: Fix a typo.
13650 2006-04-21  Geoffrey Keating  <geoffk@apple.com>
13652         * dwarf2out.c (struct die_struct): Document that die_sib makes
13653         a circular linked list.
13654         (FOR_EACH_CHILD): New.
13655         (reverse_die_lists): Delete.
13656         (reverse_all_dies): Delete.
13657         (add_dwarf_attr): Correct documentation.
13658         (remove_child_with_prev): New.
13659         (remove_child_TAG): Update for change to die_struct, use
13660         remove_child_with_prev.
13661         (add_child_die): Update for change to die_struct.
13662         (splice_child_die): Use remove_child_with_prev and add_child_die.
13663         (print_die): Use FOR_EACH_CHILD.
13664         (die_checksum): Likewise.
13665         (assign_symbol_names): Likewise.
13666         (output_location_lists): Likewise.
13667         (build_abbrev_table): Likewise.
13668         (calc_die_sizes): Likewise.
13669         (mark_dies): Likewise.
13670         (unmark_dies): Likewise.
13671         (unmark_all_dies): Likewise.
13672         (output_die): Likewise.
13673         (prune_unused_types_mark): Likewise.
13674         (prune_unused_types_walk): Likewise.
13675         (same_die_p): Update for change to die_struct.
13676         (break_out_includes): Likewise.
13677         (prune_unused_types_prune): Likewise.
13678         (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13679         (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13680         it's already clear.
13681         (dwarf2out_finish): Don't call reverse_all_dies.
13683 2006-04-21  Eric Christopher  <echristo@apple.com>
13685         * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13686         in comments and function names.
13688 2006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13690         PR c/25875
13691         * c-typeck.c (digest_init): Robustify.
13693         * c-typeck.c (pop_init_level): Simplify.
13695 2006-04-21  Steve Ellcey  <sje@cup.hp.com>
13697         * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13699 2006-04-21  Paul Brook  <paul@codesourcery.com>
13701         * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13702         hardware floating point.
13704 2006-04-21  David Edelsohn  <edelsohn@gnu.org>
13706         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13707         NON_FLOAT_REGS.
13709 2006-04-21  Nick Clifton  <nickc@redhat.com>
13711         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13712         OPT_EXTRA_PARTS.
13714 2006-04-21  Alan Modra  <amodra@bigpond.net.au>
13716         PR target/27230
13717         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13718         C++ lang type in traceback table for Objective-C++.
13720         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13722 2006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
13724         * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13726 2006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13728         PR mudflap/26789
13729         * tree-mudflap.c (mudflap_finish_file): Skip function when there
13730         were errors.  Remove check for erroneous objects.
13732 2006-04-20  Jeff Law  <law@redhat.com>
13734         PR tree-optimization/26854
13735         * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13736         checking for zero or one use.
13737         * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13738         * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13739         * tree-ssa-reassoc.c (negate_value): Similarly.
13740         (reassociate_bb): Similarly.
13742 2006-04-20  Jakub Jelinek  <jakub@redhat.com>
13744         PR C/27558
13745         * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13746         TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13747         than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13749 2006-04-20  Alan Modra  <amodra@bigpond.net.au>
13751         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13752         fp regs if the last fp arg doesn't fit in regs.
13754 2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
13756         PR target/27182
13757         * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13758         that the last insn has the REG_INC note.
13760 2006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
13761             Nathan Sidwell  <nathan@codesourcery.com>
13763         PR c/26774
13764         * stor-layout.c (update_alignment_for_field): Do not align
13765         ERROR_MARK nodes.
13766         (place_union_field): Place union field at the start of the union.
13767         (place_field): Move ERROR_MARK check later, and use the current
13768         allocation position to maintain monotonicity.
13770 2006-04-19  Zdenek Dvorak <dvorakz@suse.cz>
13772         * dominance.c: Include timevar.h.
13773         (calculate_dominance_info): Use TV_DOMINANCE.
13774         * timevar.def (TV_DOMINANCE): New timevar.
13775         * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13777 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
13779         PR rtl-optimization/14261
13780         * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13781         move would be an INSV insn.
13782         (noce_process_if_block): Don't optimize if the destination is a
13783         ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13785 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
13787         * config/s390/s390.md: Add comments with the instructions emitted
13788         by an insn pattern if macros are used.
13790 2006-04-19  Alan Modra  <amodra@bigpond.net.au>
13792         PR rtl-optimization/26026
13793         * fold-const.c (fold_binary): Optimize div and mod where the divisor
13794         is a known power of two shifted left a variable amount.
13796 2006-04-18  Geoffrey Keating  <geoffk@apple.com>
13798         * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13799         to hash table twice when the debug_str section has SECTION_MERGE.
13801 2006-04-18  Joseph S. Myers  <joseph@codesourcery.com>
13803         * config/soft-fp: New directory.  From glibc.
13804         * config/soft-fp/t-softfp: New.
13805         * config/soft-fp/README: New.
13806         * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13807         * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13808         (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13809         (LIBGCC_DEPS): Add $(SFP_MACHINE).
13810         * config.gcc: Use rs6000/t-fprules-fpbit or
13811         rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13812         rs6000/t-fprules.
13813         * config/rs6000/sfp-machine.h: New.  Based on glibc.
13814         * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13815         New.
13816         * config/rs6000/t-fprules: Remove fp-bit rules.
13817         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13818         * config/rs6000/t-linux64: Likewise.  Remove duplicates from
13819         LIB2FUNCS_EXTRA.  Remove fp-bit rules.
13820         (softfp_wrap_start, softfp_wrap_end): New.
13822 2006-04-18  DJ Delorie  <dj@redhat.com>
13824         * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13826 2006-04-18  Devang Patel  <dpatel@apple.com>
13828         * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13830 2006-04-18  Nick Clifton  <nickc@redhat.com>
13832         * config/sh/t-symbian: Add rule to build sh-c.o
13833         * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13834         of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13835         (sh_symbian_encode_section_info): Likewise.
13837 2006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>
13839         * builtins.c (expand_builtin_strcmp): Cover label definition of
13840         do_libcall with HAVE_cmpstrnsi.
13842 2006-04-18  Kazu Hirata  <kazu@codesourcery.com>
13844         * function.c (temp_slots_at_level, max_slot_level): Use VEC
13845         instead of VARRAY.
13846         * function.h (temp_slot_p): New.
13847         (function): Change the type of x_used_temp_slots to
13848         VEC(temp_slot_p,gc) *.
13850 2006-04-18  Nick Clifton  <nickc@redhat.com>
13852         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13853         flag_strength_reduce.
13855         * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13857 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
13859         PR target/27117
13861         Partial revert of revision 112637
13862         2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
13863                     Dale Johannesen  <dalej@apple.com>
13865         PR target/19653
13866         * regclass.c (struct reg_pref): Update documentation.
13867         (regclass): Set prefclass to NO_REGS if memory is the best option.
13868         (record_reg_classes): Cope with a prefclass set to NO_REGS.
13870 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
13872         PR tree-optimization/26821
13873         * tree-ssa-math-opts.c (get_constant_one): New.
13874         (insert_reciprocals): Use it.
13876 2006-04-17  Geoffrey Keating  <geoffk@apple.com>
13878         * dwarf2out.c (free_AT): Delete.
13879         (remove_AT): Update string ref counts.
13880         (remove_child_TAG): Don't call free_die.
13881         (free_die): Delete.
13882         (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13883         or DW_TAG_GNU_EINCL.
13884         (prune_unused_types_walk_attribs): Reset string refcounts.
13885         (prune_unused_types_update_strings): New.
13886         (prune_unused_types_prune): Don't make unnecessary stores.  Don't
13887         call free_die.  Do call prune_unused_types_update_strings.
13888         (prune_unused_types): Empty debug_str_hash.
13890 2006-04-17  Roger Sayle  <roger@eyesopen.com>
13892         * expr.c (expand_assignment): Optimize away no-op moves where the
13893         source and destination are equal and have no side-effects.
13895 2006-04-17  Richard Guenther  <rguenther@suse.de>
13897         PR target/26826
13898         * reload.c (push_reload): Guard calls to get_secondary_mem
13899         for memory subregs.
13901 2006-04-16  Kazu Hirata  <kazu@codesourcery.com>
13903         * alias.c (reg_base_value, old_reg_base_value): Change the
13904         type to VEC(rtx,gc) *.
13905         (REG_BASE_VALUE, find_base_value, record_set,
13906         init_alias_analysis): Use VEC instead of VARRAY.
13908         * alias.c (alias_sets): Change the type to
13909         VEC(alias_set_entry,gc) *.
13910         (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13911         VEC instead of VARRAY.
13912         (last_alias_set): Remove.
13914         * cgraph.h (cgraph_edge_p): New.
13915         Update the prototype of cgraph_function_versioning.
13916         * cgraphunit.c (cgraph_copy_node_for_versioning,
13917         cgraph_function_versioning): Use VEC instead of VARRAY.
13918         * ipa-cp.c (ipcp_insert_stage): Likewise.
13920 2006-04-16  Roger Sayle  <roger@eyesopen.com>
13922         PR target/26961
13923         * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13924         "A op B" or "A op C", we may need to convert A to the type of B and C.
13926 2006-04-16  Adam Nemet  <anemet@caviumnetworks.com>
13928         * target.h (struct gcc_target): Add mode_rep_extended.
13929         * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13930         (init_num_sign_bit_copies_in_rep): Initialize it using
13931         mode_rep_extended.
13932         (truncate_to_mode): Use it.
13933         (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13934         * targhooks.h (default_mode_rep_extended): Declare it.
13935         * targhooks.c (default_mode_rep_extended): Define it.
13936         * target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
13937         default_mode_rep_extended.
13938         (TARGET_INITIALIZER): Include it.
13939         * doc/tm.texi (Misc): Document it.
13940         * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13941         (mips_truncated_to_mode): New function.
13943 2006-04-16  Roger Sayle  <roger@eyesopen.com>
13945         PR middle-end/25474
13946         * expr.c (compress_float_constant): Copy the narrow constant into
13947         a new pseudo before extending it to its final width.
13949 2006-04-16  Roger Sayle  <roger@eyesopen.com>
13950             Andrew Pinski  <pinskia@gcc.gnu.org>
13951             Dale Johannesen  <dalej@apple.com>
13953         PR target/24076
13954         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13955         special case code to implement V8HImode and V16QImode with SSE2.
13957 2006-04-15  Roger Sayle  <roger@eyesopen.com>
13959         * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13960         trees are constructed with a suitable tree type.
13962 2006-04-15  Roger Sayle  <roger@eyesopen.com>
13964         * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13965         (integer_onep): Likewise.
13966         (integer_all_onesp): Likewise.
13967         (integer_pow2p): Likewise.
13968         (integer_nonzerop): Likewise.
13969         (real_zerop): Likewise.
13970         (real_onep): Likewise.
13971         (real_twop): Likewise.
13972         (real_minus_onep): Likewise.
13973         (int_size_in_bytes): Likewise.
13974         (host_integerp): Likewise.
13976 2006-04-15  Kazu Hirata  <kazu@codesourcery.com>
13978         * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13979         jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13980         tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13982         * tree-ssa-structalias.h (alias_info): Remove num_references.
13984 2006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13986         * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13987         (output_bvb patterns): Likewise.
13988         * pa.c (output_bb): Use 'bb' insn for long branch case.
13989         (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13990         (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13991         1.  Correct length operand for alternatives 1 and 2.
13992         (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13993         1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
13995 2006-04-14  Roger Sayle  <roger@eyesopen.com>
13997         * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13998         is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13999         were accidentally reverted by r112959.
14001 2006-04-15  Jakub Jelinek  <jakub@redhat.com>
14003         PR middle-end/26823
14004         * except.h (eh_region_outermost): New prototype.
14005         * except.c (eh_region_outermost): New function.
14006         * tree-cfg.c (find_outermost_region_in_block): Use it.
14008 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
14010         * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14011         of VARRAY.
14012         * reload1.c (reg_equiv_memory_loc_varray): Rename to
14013         reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
14014         (init_reload, reload): Use VEC instead of VARRAY.
14015         * reload.h: Update the prototype for
14016         reg_equiv_memory_loc_varray.
14018 2006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
14019             Eric Botcazou  <ebotcazou@libertysurf.fr>
14021         * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14022         register save area.
14024 2005-04-13  Uros Bizjak  <uros@kss-loka.si>
14026         PR middle-end/27134
14027         * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14028         to expand fallback builtin function call.
14030 2006-04-14  Alan Modra  <amodra@bigpond.net.au>
14032         PR middle-end/27095
14033         * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14034         and emit libcall here in case the builtin fails.
14035         (expand_builtin_strcmp): Always emit the libcall here on failure.
14037 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
14039         * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14040         * flow.c (reg_n_info): Change the type to
14041         VEC(reg_info_p,heap) *.
14042         * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14043         instead of VARRAY.
14044         * regs.h (reg_info_p): New.
14045         (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14046         REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14047         REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14048         instead of VARRAY.
14050 2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
14052         * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14053         defaulting to 100.
14054         * params.h (MAX_SCHED_READY_INSNS): New macro.
14055         * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14056         past MAX_SCHED_READY_INSNS during the first scheduling pass.
14057         (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14058         the ready list for 1 cycle during the first scheduling pass.
14059         * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14061 2006-04-13  Richard Henderson  <rth@redhat.com>
14063         PR libgomp/26651
14064         * gimple-low.c (lower_omp_directive): Remove dead code.
14065         (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14066         * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14067         * omp-low.c (struct omp_region): Move to tree-flow.h.
14068         (root_omp_region): Export.
14069         (omp_regions, lookup_omp_region): Remove.
14070         (determine_parallel_type): Update for struct omp_region changes.
14071         (dump_omp_region): Dump regions with block numbers.
14072         (new_omp_region): Take type and block instead of stmt; malloc
14073         instead of ggc.
14074         (free_omp_region_1, free_omp_regions): New.
14075         (expand_parallel_call): Take entry_stmt as argument; update for
14076         changes to omp_region.
14077         (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14078         (remove_exit_barriers): New.
14079         (expand_omp_parallel): Update for struct omp_region changes.
14080         (expand_omp_synch): Likewise.
14081         (expand_omp): Likewise.
14082         (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14083         (expand_omp_for_static_chunk): Likewise.
14084         (expand_omp_for): Likewise.
14085         (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14086         (expand_omp_sections): Similarly, with GOMP_sections_end.
14087         (expand_omp_single): New.
14088         (build_omp_regions_1): Update for OMP_CONTINUE.
14089         (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14090         (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14091         OMP_SECTIONS_SECTIONS.
14092         (lower_omp_single_simple): Don't emit barrier here.
14093         (lower_omp_single_copy): Likewise.
14094         (lower_omp_single): Fix bindings, and lower to straightline now.
14095         (lower_omp_master, lower_omp_ordered): Likewise.
14096         (lower_omp_critical): Likewise.
14097         (lower_omp_for): Likewise.  Emit OMP_CONTINUE.
14098         * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14099         omp edges, free it afterward.
14100         (make_omp_sections_edges): Remove.
14101         (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14102         (move_stmt_r): Handle OMP_CONTINUE.
14103         * tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
14104         statement pointers to basic blocks.  Add type member.
14105         (root_omp_region, new_omp_region, free_omp_regions): Declare.
14106         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14107         * tree-inline.c (estimate_num_insns_1): Likewise.
14108         * tree-pretty-print.c (dump_generic_node): Likewise.
14109         * tree-ssa-operands.c (get_expr_operands): Likewise.
14110         * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14111         (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14112         (OMP_CONTINUE): New.
14113         * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14114         (OMP_SECTIONS_SECTIONS): Remove.
14115         (OMP_SECTION_LAST): New.
14116         (OMP_RETURN_NOWAIT): New.
14118 2006-04-13  Roger Sayle  <roger@eyesopen.com>
14120         * fold-const.c (native_encode_vector, native_interpret_real):
14121         Correct obvious mistakes in the previous check-in.
14123 2006-04-13  Roger Sayle  <roger@eyesopen.com>
14125         * fold-const.c (native_encode_expr): New function to encode
14126         the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14127         or VECTOR_CST into a specified buffer.
14128         (native_encode_int): New function.
14129         (native_encode_real): New function.
14130         (native_encode_complex): New function.
14131         (native_encode_vector): New function.
14132         (native_interpret_expr): Inverse of native_encode_expr to convert
14133         a target representation into an INTEGER_CST, REAL_CST etc...
14134         (native_interpret_int): New function.
14135         (native_interpret_real): New function.
14136         (native_interpret_complex): New function.
14137         (native_interpret_vector): New function.
14138         (fold_view_convert_expr): New function to constant fold/evaluate
14139         a VIEW_CONVERT_EXPR of a suitable constant expression.
14140         (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14141         Change call of build1 to fold_build1 when constructing a
14142         VIEW_CONVERT_EXPR.
14144 2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
14145             Ulrich Weigand  <uweigand@de.ibm.com>
14147         PR target/27006
14148         * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14149         to be even.
14151 2006-04-13  Alan Modra  <amodra@bigpond.net.au>
14153         PR target/26459
14154         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14155         optimize to lo_sum for DFmode if !TARGET_FPRS.
14157 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
14159         * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14160         delete_alias_info, compute_flow_sensitive_aliasing,
14161         group_aliases): Use VEC instead of VARRAY.
14162         * tree-ssa-structalias.c (update_alias_info): Likewise.
14163         * tree-ssa-structalias.h (alias_info): Change the type of
14164         processed_ptrs to VEC(tree,heap) *.
14166 2006-04-12  J"orn Rennecke <joern.rennecke@st.com>
14168         PR target/27060
14169         * config/sh/lib1funcs.h: New file, broken out of:
14170         * config/sh/lib1funcs.asm.
14171         * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14172         New macros.
14173         * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14174         * config/sh/lib1funcs-Os-4-200.asm: New file.
14175         * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14176         * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14177         (EXTRA_MULTILIB_PARTS): Include it.
14178         ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14179         ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14180         * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14181         * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14182         TARGET_SH2.
14184 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
14186         * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14187         * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14188         tpa_compact, root_var_init, type_var_init): Use VEC instead of
14189         VARRAY.
14190         * tree-ssa-live.h: Include vecprim.h.
14191         (tree_partition_associator_d): Change the type of
14192         first_partition to VEC(int,heap) *.
14193         (tpa_first_partition): Use VEC instead of VARRAY.
14195         * Makefile.in (GTFILES): Move functions.h after tree.h.
14196         * function.c (reset_block_changes, record_block_change,
14197         check_block_change, free_block_changes): Use VEC instead of
14198         VARRAY.
14199         * function.h (function): Change the type of
14200         ib_boundaries_block to VEC(tree,gc) *.
14201         * tree-inline.c (copy_cfg_body): Initialize
14202         ib_boundaries_block to NULL instead of (varray_type) 0.
14204 2006-04-12  Roger Sayle  <roger@eyesopen.com>
14206         * expr.c (emit_group_store): Correct operand order in call to
14207         subreg_lowpart_offset.  Always create paradoxical SUBREGs with
14208         a SUBREG_BYTE of zero.
14210 2006-04-12  Richard Guenther  <rguenther@suse.de>
14212         * profile.c (compute_branch_probabilities): Remove code
14213         encapsulated in !ir_type (), which are remanents of the
14214         removed RTL profiling code.
14215         * rtl-profile.c: Remove.
14217 2006-04-12  Alan Modra  <amodra@bigpond.net.au>
14219         * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14220         magic NULL_RTX comment.
14221         (function_arg): Store entire fp arg to mem if any part should go
14222         on stack.
14223         (rs6000_arg_partial_bytes): Adjust for above change.
14225 2006-04-11  Roger Sayle  <roger@eyesopen.com>
14227         * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14228         if it hasn't been initialized by dwarf2out_init.
14230 2006-04-11  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
14232         * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14233         symbolic constants in branch patterns.
14235 2006-04-11  Roger Sayle  <roger@eyesopen.com>
14237         * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14239 2006-04-11  Richard Sandiford  <richard@codesourcery.com>
14241         PR rtl-optimization/27073
14242         * gcse.c (try_replace_reg): Revert last change.  Continue to search
14243         for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14244         on the former.
14246 2006-04-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
14248         * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14249         aggregate types other than record and union types.
14250         (function_arg): Likewise.
14251         (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14252         small arrays.
14253         (function_value): In 64-bit mode, return objects that require it
14254         in FP registers.
14256 2006-04-11  Roger Sayle  <roger@eyesopen.com>
14258         * dwarf2out.c (premark_used_types): Remove problematic prototype.
14260 2006-04-11  Jakub Jelinek  <jakub@redhat.com>
14262         * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14264 2006-04-03  Jeff Law  <law@redhat.com>
14266         PR/27087
14267         * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14268         alias information too.
14270 2006-04-10  Mike Frysinger  <vapier@gentoo.org>
14272         * Makefile.in (gcc-cross): Add $(exeext) to target name.
14274 2006-04-10  Aldy Hernandez  <aldyh@redhat.com>
14276         PR/21391
14277         * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14278         (premark_used_types_helper): New.
14279         (premark_used_types): New.
14280         (gen_subprogram_die): Call premark_used_types.
14281         (prune_unused_types_walk): Do not prune perennial dies.
14282         * function.c (used_types_insert): New.
14283         * function.h (struct function): Add used_types_hash field.
14284         (used_types_insert): Add prototype.
14285         * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14286         * c-parser.c (c_parser_cast_expression): Save casted types in used
14287         types hash table.
14289 2006-04-11  Mark Mitchell  <mark@codesourcery.com>
14291         PR target/26459
14292         * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14293         rs6000_explicit_options.float_gprs.
14295 2006-04-10  Roger Sayle  <roger@eyesopen.com>
14297         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14298         from ix86_expand_vector_init_low_nonzero.  Take an additional
14299         one_var argument indicating which element is non-zero.  Support
14300         one_var != 0 for V4SFmode and V4SImode by permuting the result.
14301         (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14302         with one_var instead of ix86_expand_vector_init_low_nonzero.
14304 2006-04-10  Kazu Hirata  <kazu@codesourcery.com>
14306         * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14307         tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14308         global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14309         build/genextract.o): Depend on vecprim.h.
14310         * cfglayout.c, df-problems.c, function.c, genextract.c,
14311         global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14312         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14313         vecprim.h.
14314         * vecprim.h: New.
14316 2006-04-10  Geoffrey Keating  <geoffk@apple.com>
14318         * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14319         Declare VECs of this type.
14320         (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14321         (remove_children): Delete.
14322         (add_dwarf_attr): Use VEC routines.
14323         (add_AT_flag): Update for changes to add_dwarf_attr.
14324         (add_AT_int): Likewise.
14325         (add_AT_unsigned): Likewise.
14326         (add_AT_long_long): Likewise.
14327         (add_AT_vec): Likewise.
14328         (add_AT_string): Likewise.
14329         (add_AT_die_ref): Likewise.
14330         (add_AT_fde_ref): Likewise.
14331         (add_AT_loc): Likewise.
14332         (add_AT_loc_list): Likewise.
14333         (add_AT_addr): Likewise.
14334         (add_AT_lbl_id): Likewise.
14335         (add_AT_lineptr): Likewise.
14336         (add_AT_macptr): Likewise.
14337         (add_AT_offset): Likewise.
14338         (add_AT_range_list): Likewise.
14339         (get_AT): Use VEC_iterate.
14340         (remove_AT): Use VEC_ordered_remove.
14341         (free_die): Fold remove_children into here; have it use VEC_iterate.
14342         (print_die): Use VEC_iterate on attrs.
14343         (reverse_die_lists): Don't reverse attr lists.
14344         (die_checksum): Use VEC_iterate on attrs.
14345         (same_die_p): Likewise.
14346         (output_location_lists): Likewise.
14347         (build_abbrev_table): Likewise.
14348         (size_of_die): Likewise.
14349         (unmark_all_dies): Likewise.
14350         (output_abbrev_section): Likewise.
14351         (output_die): Likewise.
14352         (prune_unused_types_walk_attribs): Likewise.
14354 2006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
14356         * doc/install.texi (*-*-solaris2*): Point to the configure page.
14358 2006-04-10  Jakub Jelinek  <jakub@redhat.com>
14360         PR debug/27057
14361         * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14363 2006-04-09  Roger Sayle  <roger@eyesopen.com>
14365         * expr.c (store_constructor): Don't bother clearing target if
14366         we're about to assign a vector to it using vec_init_optab.
14368 2006-04-10 Daniel Berlin  <dberlin@dberlin.org>
14370         * tree-ssa-alias.c (lhs_may_store_to): New function.
14371         (recalculate_used_alone): Handle LHS of calls.
14373 2006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14375         PR target/27034
14376         PR target/26508
14377         * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14378         * pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
14379         (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
14380         (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14381         (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14382         (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14383         section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14384         stubs.  Add ".align 8" directives before all ".dword" directives.
14385         (GTHREAD_USE_WEAK): Revise comment.
14386         (TARGET_ATTRIBUTE_WEAK): Define.
14387         * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14388         dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14389         * stublib.c: New file.
14391         PR target/26743
14392         PR target/11254
14393         PR target/10274
14394         * pa.md (cbranch patterns): Revise arguments used in calls to
14395         output_cbranch, output_bb and output_bvd.  Add long branch length
14396         attributes.
14397         (fbranch patterns): Handle long branches.
14398         (jump): Revise length check.  Revise arguments for output_lbranch call.
14399         Add long branch length attributes.
14400         (decrement_and_branch_until_zero): Add long branch length attributes.
14401         (output_movb, output_parallel_addb and output_parallel_movb patterns):
14402         Likewise.  Revise arguments for output_parallel_addb and
14403         output_parallel_movb calls.
14404         * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14405         output_parallel_movb and output_parallel_addb): Update prototypes.
14406         * pa.c (output_cbranch): Revise arguments.  Correct handling of
14407         nullification in long branches.
14408         (output_lbranch): Add new argument to control extraction of delay
14409         instruction.
14410         (output_bb): Handle long branches.
14411         (output_bvb, output_dbra, output_movb, output_parallel_movb,
14412         output_parallel_addb): Likewise.
14414 2006-04-09  Richard Sandiford  <richard@codesourcery.com>
14416         PR rtl-optimization/27073
14417         * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14418         not REG_EQUIVs.
14420 2006-04-08  Daniel Berlin  <dberlin@dberlin.org>
14422         * tree.h (tree_memory_tag): Add old_used_alone.
14423         (SMT_OLD_USED_ALONE): New macro.
14424         * tree-ssa-alias.c (recalculate_used_alone): Stop
14425         marking things for renaming unnecessarily.
14427 2006-04-08  Kazu Hirata  <kazu@codesourcery.com>
14429         * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14430         config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14431         config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14432         haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14433         sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14434         tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14435         tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
14436         spelling convensions.
14437         * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14438         doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14439         typos.  Follow spelling conventions.
14441 2006-04-07  DJ Delorie  <dj@redhat.com>
14443         * config/m32c/m32c.c (m32c_function_arg): Structures are always
14444         passed on the stack.
14445         (m32c_init_cumulative_args): When a function returns a structure,
14446         always pass the pointer to that return area on the stack.
14447         (m32c_function_arg_advance): Don't increment the parameter number
14448         if we're processing the returned structure pointer.
14449         (pushm_info): Reverse order of registers.
14451 2006-04-07  Sebastian Pop  <pop@cri.ensmp.fr>
14453         * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14454         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14455         number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14456         estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14457         build_int_cst_type.
14458         * tree-chrec.c (chrec_fold_multiply_poly_poly,
14459         chrec_fold_multiply): Same.
14460         * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14461         force_expr_to_var_cost): Same.
14462         * tree-mudflap.c (mf_xform_derefs_1): Same.
14463         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14465 2006-04-07  David Edelsohn  <edelsohn@gnu.org>
14467         * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14468         treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
14469         insn.
14471 2006-04-07  Jan Hubicka  <jh@suse.cz>
14473         * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14475 2006-04-07  Richard Guenther  <rguenther@suse.de>
14477         PR tree-optimization/26135
14478         * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14479         loads for store copy-prop.
14480         (copy_prop_visit_stmt): Likewise.
14482 2006-04-05  Robert Millan  <robertmh@gnu.org>
14484         * config/i386/linux.h: Add a comment to mark macros that are
14485         being overriden in config/k*bsd-gnu.h.
14486         * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14487         DYNAMIC_LINKER.
14488         * config/knetbsd-gnu.h: Ditto.
14490 2006-04-06  Jan Hubicka  <jh@suse.cz>
14492         PR profile/20815
14493         PR profile/26399
14494         * coverage.c (coverage_checksum_string): Reorganize loop to not read
14495         after buffer.
14497 2006-04-06  Mike Stump  <mrs@apple.com>
14499         * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14500         for HAVE_nonlocal_goto to be consistent.
14501         (expand_builtin_nonlocal_goto): Likewise.
14502         (expand_builtin_strcmp): Use #ifdef instead of #if
14503         for HAVE_cmpstrnsi to be consistent.
14505 2006-04-05  DJ Delorie  <dj@redhat.com>
14507         * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14508         vs m32c.
14510 2006-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
14512         * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14513         got-relative addressing for anything but SImode.
14515         * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14516         even if the calling function doesn't modify them.
14518 2006-04-05  Richard Guenther  <rguenther@suse.de>
14520         PR tree-optimization/26919
14521         * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14522         to cgraph_estimate_size_after_inlining.
14524 2006-04-05  Alan Modra  <amodra@bigpond.net.au>
14526         * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14528 2006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>
14530         PR tree-optimization/26996
14531         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14532         VECTOR_TYPE variables.
14534 2006-04-05  Richard Guenther  <rguenther@suse.de>
14536         PR tree-optimization/26763
14537         * fold-const.c (fold_comparison): Move folding of
14538         PTR + CST CMP PTR + CST ...
14539         (fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
14541 2006-04-05  Gerald Pfeifer  <gerald@pfeifer.com>
14543         * doc/install.texi (Prerequisites): Refine some wording on
14544         bootstrapping and ksh.
14545         Move the version numbers of DejaGnu here from the testing section
14546         and fix casing of names.
14547         Fix markup and clarify wording for autogen requirements.
14548         Refer to GCJ instead of just java.
14549         Refer to SVN instead of CVS.
14550         Describe diffutils as useful instead of necessary.
14551         (Downloading the source): Refer to SVN instead of CVS.
14552         Adjust a link to our web site accordingly.
14553         (Configuration): Fix casing of Bison.
14554         (Building): Refer to SVN instead of CVS.
14555         Fix a sentence on the use of Bison and remove duplicate (and
14556         incorrect) version number of Bison requirement.
14557         Remove one redundant list of packages needed for building.
14558         (Specific): Avoid reference to CVS.
14560 2006-04-04  Eric Christopher  <echristo@apple.com>
14562         * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14563         (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14564         (rs6000_handle_struct_attribute): New.
14565         (rs6000_ms_bitfield_layout_p): Ditto.
14567 2006-04-04  Geoffrey Keating  <geoffk@apple.com>
14569         * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14570         NULL for dso parameter to atexit_common.
14572 2006-04-04  Eric Christopher  <echristo@apple.com>
14574         * config/i386/i386.c (machopic_output_stub): Output \t
14575         between instructions and operands.
14577 2006-04-04  David Edelsohn  <edelsohn@gnu.org>
14579         * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14580         satisfies_constraint_[IL] to explicit tests on value.
14582 2006-04-04  Sebastian Pop  <pop@cri.ensmp.fr>
14584         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14585         set_nb_iterations_in_loop): Use build_int_cst instead of
14586         build_int_cst_type.
14587         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14588         build_int_cst instead of convert.
14590 2006-04-04  Carlos O'Donell  <carlos@codesourcery.com>
14592         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14593         new value 2 for incoming.
14594         * function.c (expand_function_start): Call struct_value_rtx
14595         with incoming as 2.
14596         * config/sparc/sparc.md: Comment updated_return.
14597         * config/sparc/sparc.opt: Add -mstd-struct-return option.
14598         * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14599         struct return if sparc_std_struct_return and incoming is 2.
14600         (print_operand): Do not adjust return if
14601         sparc_std_struct_return.
14603 2006-04-04  Roger Sayle  <roger@eyesopen.com>
14605         * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14606         convert in the middle-end.
14607         * expr.c (store_expr, store_constructor, get_inner_reference,
14608         expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14609         Likewise.
14610         * tree.c (build_range_type): Likewise.
14612 2006-04-04  Tom Tromey  <tromey@redhat.com>
14614         * doc/install.texi (Prerequisites): Mention jar.
14616 2006-04-04  Daniel Berlin  <dberlin@dberlin.org>
14618         * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14619         subsection.
14621 2006-04-04  Matthias Klose  <doko@debian.org>
14623         * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14625         PR bootstrap/26764
14626         PR bootstrap/27334
14627         * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14628         strings.
14630 2006-04-03  Geoffrey Keating  <geoffk@apple.com>
14632         * doc/extend.texi (Function Attributes): Rewrite visibility
14633         attribute documentation.
14634         * doc/invoke.texi (C++ Dialect Options): Rewrite
14635         -fvisibility-inlines-hidden documentation to describe something
14636         entirely different, although in practise compatible.
14637         (Code Gen Options): Warn about system headers in -fvisibility=
14638         documentation.
14640         * doc/extend.texi (Other Builtins): Document that
14641         __builtin_nan is a compile-time constant only when its argument
14642         is valid.
14644 2006-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14646         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14647         trying to remove TRUNCATE check if all bits outside the new mode
14648         are identical to the sign bit.
14650 2006-04-03  Jeff Law  <law@redhat.com>
14652         * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14653         and operand scanning in some common cases.
14655 2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
14656             Dale Johannesen  <dalej@apple.com>
14658         PR target/19653
14659         * regclass.c (struct reg_pref): Update documentation.
14660         (regclass): Set prefclass to NO_REGS if memory is the best option.
14661         (record_reg_classes): Cope with a prefclass set to NO_REGS.
14662         * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14663         into account.  For non-registers, equate an empty preferred
14664         reload class to a `!' in the constraint; move the if clause to
14665         do so after those that reject the insn.
14666         (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14667         return NO_REGS.
14668         (find_dummy_reload): Likewise.
14669         * doc/tm.texi (Register Classes): Document what it means
14670         if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14671         * config/i386/i386.c (ix86_preferred_reload_class): Force
14672         using SSE registers (and return NO_REGS for floating-point
14673         constants) if math is done with SSE.
14674         (ix86_preferred_output_reload_class): New.
14675         * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14676         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14677         * config/i386/i386.md: Remove # register preferences.
14679 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14681         PR bootstrap/26992
14682         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14683         chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14684         the type of nb_iter.
14685         (instantiate_parameters_1): Convert the operands before calling
14686         chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14687         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14689 2006-04-02  Roger Sayle  <roger@eyesopen.com>
14691         * builtins.c (dummy_object): Use build_int_cst instead of convert.
14692         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14693         instead of convert.
14694         * dojump.c (do_jump): Likewise.
14695         * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14696         * gimplify.c (gimple_boolify, gimplify_init_constructor,
14697         gimplify_boolean_expr): Likewise.
14698         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14699         * varasm.c (array_size_for_constructor): Likewise.
14700         * tree-object-size.c (compute_object_offset): Likewise.
14702 2006-04-02  Roger Sayle  <roger@eyesopen.com>
14704         PR middle-end/26977
14705         * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14706         NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14708 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14710         PR tree-optimization/26939
14711         * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14713 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14715         * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14716         at_stmt.  Convert the type of operands before calling
14717         build_polynomial_chrec.
14718         (add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
14719         add_to_evolution_1.
14720         (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14721         (instantiate_parameters_1): Convert the type of operands before calling
14722         build_polynomial_chrec.
14723         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14724         chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14725         reset_evolution_in_loop): Insert asserts to check the types of the
14726         operands.
14727         (chrec_type): Moved...
14728         (eq_evolutions_p): Use operand_equal_p.
14729         * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14730         the types of the operands.
14731         (chrec_type): ...here.
14732         * tree-data-ref.c (create_data_ref): Convert the operands before
14733         calling chrec_replace_initial_condition.
14734         (same_access_functions, analyze_subscript_affine_affine,
14735         analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14736         (compute_subscript_distance, analyze_ziv_subscript,
14737         analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14738         analyze_miv_subscript): Convert the operands before calling
14739         chrec_fold_minus or chrec_fold_plus.
14741 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
14743         * tree-data-ref.c (compute_all_dependences): Use a pointer to
14744         the dependence_relations vector.
14745         (compute_data_dependences_for_loop): Adjust call to
14746         compute_all_dependences.
14748 2006-04-01  Roger Sayle  <roger@eyesopen.com>
14749             Richard Henderson  <rth@redhat.com>
14751         * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14752         gimple_boolify on the condition before calling gimplify_expr.
14754 2006-03-31  Bob Wilson  <bob.wilson@acm.org>
14756         * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14757         to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
14758         the frame size.  Update to use the new macros.
14759         * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14760         * config/xtensa/ieee754-df.S: Likewise.
14762 2006-03-31  Richard Henderson  <rth@redhat.com>
14764         * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14765         (make_edges): ... here.  Control fallthru creation with a local
14766         variable.  Do not play with fake edges.
14767         (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14768         (make_goto_expr_edges): Don't play with fake edges.  Make for_call
14769         a boolean.
14771 2006-04-01  Joseph S. Myers  <joseph@codesourcery.com>
14773         * dwarf2.h (DW64_CIE_ID): Define.
14774         * dwarf2out.c (DWARF_CIE_ID): Define.
14775         (output_call_frame_info): Output 0xffffffff before standard 8-byte
14776         length header.  Use DWARF_CIE_ID.
14777         (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14778         dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14780 2006-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>
14782         * config/sh/linux-atomic.asm: New file.
14783         * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14785 2006-03-31  DJ Delorie  <dj@redhat.com>
14787         * config/m32c/cond.md: Set condition flags properly throughout.
14788         * config/m32c/minmax.md: Likewise.
14789         * config/m32c/prologue.md: Likewise.
14790         * config/m32c/bitops.md: Likewise.
14791         * config/m32c/muldiv.md: Likewise.
14792         * config/m32c/mov.md: Likewise.
14793         * config/m32c/addsub.md: Likewise.
14794         * config/m32c/m32c.md: Likewise.
14795         * config/m32c/jump.md: Likewise.
14796         * config/m32c/shift.md: Likewise.
14798         * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14799         conditionally output the pattern for this.
14800         * config/m32c/m32c.c (flags_needed_for_conditional): New.
14801         (m32c_compare_redundant): New.
14802         (m32c_output_compare): New.
14803         * config/m32c/m32c-protos.h (m32c_output_compare): New.
14805         * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14806         dest, not src.  Allow other 4-byte modes.
14808 2006-03-30  Denis Chertykov  <denisc@overta.ru>
14810         * doc/md.texi: Refer to avr/constraints.md instead of
14811         avr/avr.h.
14813 2006-03-30  Roger Sayle  <roger@eyesopen.com>
14815         * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14816         signed vs. unsigned comparison failures on some hosts.
14818 2006-03-31  Alan Modra  <amodra@bigpond.net.au>
14820         PR target/26459
14821         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14822         change to FLOAT_REGS.
14824         * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14825         (rs6000_override_options): Use it.
14826         (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
14827         only for -mabi=spe/no-spe and -mabi=altivec.
14829 2006-03-30  Geoffrey Keating  <geoffk@apple.com>
14831         * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14832         !Zdynamiclib.
14834 2006-03-30  Carlos O'Donell  <carlos@codesourcery.com>
14836         * Makefile.in: Rename docdir to gcc_docdir.
14838 2006-03-30  Roger Sayle  <roger@eyesopen.com>
14840         PR target/17959
14841         * expr.c (emit_group_store): Optimize group stores into a pseudo
14842         register by using a paradoxical subreg to initialize the destination
14843         if the first or last member of the group specifies a "low part".
14845 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
14847         PR target/26734
14848         * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14849         * target.h (struct gcc_target.speculate_insn): Change type of the
14850         second parameter to 'int'.
14851         * lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
14852         the second operand of the DEPS_LIST.
14853         (copy_DEPS_LIST_list): Update reference to the second operand of the
14854         DEPS_LIST.
14855         * rtl.h (alloc_DEPS_LIST): Update signature.
14856         * sched-int.h (ds_t): Change typedef to 'int'.
14857         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14859 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
14861         * haifa-sched.c (try_ready): Change condition to restore
14862         non-speculative pattern of the instruction.
14863         (process_insn_depend_be_in_spec): Code to keep probability of the
14864         speculative dependence non-decreasing.
14866 2006-03-30  Jie Zhang  <jie.zhang@analog.com>
14868         * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14869         (single_move_for_movmem): ... this. Also change all uses.
14870         (bfin_expand_strmov): Renamed to...
14871         (bfin_expand_movmem): ... this. Also change all uses.
14872         * config/bfin/bfin.md (movstrsi): Renamed to...
14873         (movstrsi): ...this.
14875 2006-03-30  Paolo Bonzini  <bonzini@gnu.org>
14877         PR tree-optimization/26830
14879         * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14880         (copy_prop_visit_stmt): Remove write-only variable ann.
14881         (init_copy_prop): Check variable loop depth here.  Do not simulate
14882         memory-tag and virtual operand PHIs except for store copy prop.
14884 2006-03-30  Richard Guenther  <rguenther@suse.de>
14886         * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14887         variants with double arguments.
14889 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
14891         * genpreds.c (write_tm_constrs_h): Delete variable p.
14892         * genconditions.c (write_header): Add tm-constrs.h to included
14893         headers.
14894         * genpeep.c (main): Add toplev.h to included headers.
14895         * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14896         (build/genpeep.o): Add toplev.h dependency.
14897         * config/rs6000/constraints.md: Add "W" constraint.
14899 2006-03-29  Roger Sayle  <roger@eyesopen.com>
14901         * stor-layout.c (mode_for_size_tree): Remove restiction on type
14902         sizes by correctly testing whether the size fits a host integer.
14903         (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14904         to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14905         SImode range for the default sizetype and bitsizetype.
14907 2006-03-29  Roger Sayle  <roger@eyesopen.com>
14909         * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14910         and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
14911         quickly if the argument is already of the correct type.
14912         Call fold_build1 instead of build1.  Tidy up blank lines.
14914 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
14916         * genemit.c (main): Add tm-constrs.h to included headers.
14917         * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14918         * genpeep.c (main): Add tm-constrs.h to included headers.
14919         * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14920         (write_tm_constrs_h): this and write complete file.
14921         (write_tm_preds_h): Do not emit satisfies_constraint fns.
14922         (write_insn_preds_c): Add tm-constrs.h to included headers.
14923         (gen_constrs): New variable.
14924         (parse_option): Parse "-c".
14925         (main): Invoke write_tm_constrs_h.
14926         * genrecog.c (write_header): Add tm-constrs.h to included headers.
14927         * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14928         (object_out_file): Add tm-constrs.h dependency.
14929         (insn-emit.o): Same.
14930         (insn-output.o): Same.
14931         (insn-peep.o): Same.
14932         (insn-preds.o): Same.
14933         (insn-recog.o): Same.
14934         (tm-constsr.h): New target.
14935         (s-constrs-h): New target.
14937         * config/rs6000/constraints.md: New file.
14938         * config/rs6000/rs6000.c: Include tm-constrs.h.
14939         (num_insn_constant_wide): Convert to satisfies_constraint.
14940         (rs6000_rtx_costs): Convert to satisfies_constraint.
14941         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14942         (CONST_OK_FOR_LETTER_P): Delete.
14943         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14944         (EXTRA_CONSTRAINT): Delete.
14945         (EXTRA_MEMORY_CONSTRAINT): Delete.
14946         (EXTRA_ADDRESS_CONSTRAINT): Delete.
14947         * config/rs6000/predicates.md: Convert to satisfies_constraint.
14948         * config/rs6000/rs6000.md: Include constraints.md.  Convert to
14949         satisfies_constraint.
14951         * config/i386/i386.c: Include tm-constrs.h.
14953 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
14955         * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14956         * tree-data-ref.c (find_data_references_in_loop,
14957         compute_data_dependences_for_loop): Use pointers to VEC.
14958         (analyze_all_data_dependences): Adjust calls.
14959         * tree-data-ref.h (find_data_references_in_loop,
14960         compute_data_dependences_for_loop): Adjust declarations.
14961         * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14962         compute_data_dependences_for_loop.
14964 2006-03-29  Paul Brook  <paul@codesourcery.com>
14966         * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14967         (movdf_vfp): Ditto.
14969 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
14971         PR tree-optimization/26859
14972         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14973         division by zero.
14974         (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14975         for the step after fold_convert.
14977 2006-03-29  Paul Brook  <paul@codesourcery.com>
14979         * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14980         (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14982 2006-03-29  Paul Brook  <paul@codesourcery.com>
14984         PR middle-end/23623
14985         * targhooks.c (default_narrow_bitfield): New fuction.
14986         * targhooks.h (default_narrow_bitfield): add prototype.
14987         * target.h (gcc_target): Add narrow_volatile_bitfield.
14988         * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14989         * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14990         * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14991         * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14993 2006-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
14995         * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14996         tmake_file.
14997         * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14998         (NR_C_MODES): Add TDmode, DDmode and SDmode.
14999         (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15000         (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15001         (s390_function_arg_float): Allow SDmode and DDmode values to be
15002         passed in floating point registers.
15003         (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15004         check with SCALAR_FLOAT_MODE_P.
15005         (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15007 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
15009         PR tree-optimization/25985
15010         * tree-ssa-loop-niter.c (number_of_iterations_le,
15011         number_of_iterations_ne): Make comments more precise.
15012         (number_of_iterations_cond): Add only_exit argument.  Use the
15013         fact that signed variables do not overflow only when only_exit
15014         is true.
15015         (loop_only_exit_p): New.
15016         (number_of_iterations_exit): Pass result of loop_only_exit_p to
15017         number_of_iterations_cond.
15019 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
15021         PR tree-optimization/26643
15022         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15023         bit_field_refs.
15025 2006-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
15027         * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15028         (divsi3_i4_int): Likewise.
15030 2006-03-28  Roger Sayle  <roger@eyesopen.com>
15032         * expr.c (emit_group_store): Only create a new pseudo reg if the
15033         quantity it needs to hold isn't already a suitable pseudo.
15035 2006-03-28  Jeff Law  <law@redhat.com>
15037         * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15038         * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15040 2006-03-28  Roger Sayle  <roger@eyesopen.com>
15042         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15043         the equivalent ~X & Y, and the symmetry related transformations.
15044         (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15045         ~X & Y, and symmetry related transforms.
15047 2006-03-28  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15049         Revert my 2006-03-27 patches.
15051 2006-03-28  Roger Sayle  <roger@eyesopen.com>
15053         * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15054         ~(T1)X, when T1 and T2 are integer types of the same precision
15055         and (T2)X isn't an extension.
15057 2006-03-28  Jeff Law  <law@redhat.com>
15059         PR tree-optimization/26796
15060         * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15061         need EH edge cleanups rather than purging them immediately.
15062         (eliminate_degenerate_phis): Handle queued EH cleanups.
15064 2006-03-28  Daniel Berlin  <dberlin@dberlin.org>
15066         * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15067         from parent_var.
15069 2006-03-27  Roger Sayle  <roger@eyesopen.com>
15071         PR middle-end/22524
15072         * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15073         cast BIT_NOT_EXPR operand to the correct type.
15075 2006-03-27  Sebastian Pop  <pop@cri.ensmp.fr>
15077         * tree-loop-linear.c: Don't include varray.h.
15078         (gather_interchange_stats, try_interchange_loops,
15079         linear_transform_loops): Use VEC instead of VARRAY.
15080         * lambda-mat.c: Don't include varray.h.
15081         * tree-chrec.c: Same.
15082         * lambda-trans.c: Same.
15083         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15084         VEC instead of VARRAY.
15085         * tree-vectorizer.h: Idem.
15086         * tree-data-ref.c (dump_data_references,
15087         dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15088         initialize_data_dependence_relation, finalize_ddr_dependent,
15089         compute_all_dependences, find_data_references_in_loop,
15090         compute_data_dependences_for_loop, analyze_all_data_dependences,
15091         free_dependence_relation, free_dependence_relations,
15092         free_data_refs): Idem.
15093         * tree-data-ref.h (data_reference_p, subscript_p): New.
15094         (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15095         VEC instead of VARRAY.
15096         (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15097         (find_data_references_in_loop, compute_data_dependences_for_loop,
15098         dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15099         dump_data_dependence_relations, free_dependence_relations,
15100         free_data_refs): Adjust declaration.
15101         (lambda_transform_legal_p): Move declaration here...
15102         * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15103         vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15104         vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15105         vect_analyze_data_refs): Use VEC instead of VARRAY.
15106         * lambda.h (lambda_transform_legal_p): ...from here.
15107         * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15108         * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15109         * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15110         tree-chrec.o): Don't depend on VARRAY_H.
15112 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15114         * rtl.def (Copyright): Update date.
15115         (DEPS_LIST): Change type of the second operand to 'int'.
15116         * target.h (Copyright): Update date.
15117         (struct gcc_target.speculate_insn): Change type of the second parameter
15118         to 'int'.
15119         * lists.c (Copyright): Update date.
15120         (alloc_DEPS_LIST): Change signature.  Update reference to the second
15121         operand of the DEPS_LIST.
15122         (copy_DEPS_LIST_list): Update reference to the second operand of the
15123         DEPS_LIST.
15124         * rtl.h (Copyright): Update date.
15125         (alloc_DEPS_LIST): Update signature.
15126         * sched-int.h (Copyright): Update date.
15127         (ds_t): Change typedef to 'int'.
15128         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15130 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15132         * haifa-sched.c (Copyright): Update date.
15133         (try_ready): Change condition to restore non-speculative pattern
15134         of the instruction.
15135         (process_insn_depend_be_in_spec): Code to keep probability of the
15136         speculative dependence non-decreasing.
15138 2006-03-27  Bernd Schmidt  <bernd.schmidt@analog.com>
15140         * regrename.c (replace_oldest_value_addr): Initialize a variable to
15141         shut up the compiler.
15143 2006-03-27  J"orn Rennecke <joern.rennecke@st.com>
15145         * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15146         to use lib prefix for target.
15147         ($(T)libic_invalidate_array_4-200.a): Likewise.
15148         ($(T)libic_invalidate_array_4a.a): Likewise.
15150 2006-03-27  Andrew Stubbs <andrew.stubbs@st.com>
15151             J"orn Rennecke <joern.rennecke@st.com>
15153         * superh.opt: New file.
15154         * sh.c (boardtype, osruntime): Remove.
15155         * superh.h (SUBTARGET_OPTIONS): Remove.
15156         * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15158         * config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
15159         arguments with ^ and/or [].
15161         * config.gcc (sh-*-*): Add quoting to account for quirk of
15162         Solaris /bin/sh.
15163         Replace == with = in enable_incomplete_targets test.
15165         * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15166         with MASK_LITTLE_ENDIAN.
15168         * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15169         * config/sh/sh.opt: Added to some comments.
15170         * config/sh/superh.h: Removed some chaff.
15172         * config/sh/sh.opt: Add m4-[1234]00* options.
15173         * config/sh/sh.c (sh_handle_option): Likewise.
15174         * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15175         (ic_invalidate_array_4-100.o): New rule.
15176         ($(T)libic_invalidate_array_4-100.a): Likewise.
15177         (ic_invalidate_array_4-200.o): Likewise.
15178         ($(T)libic_invalidate_array_4-200.a): Likewise.
15179         (ic_invalidate_array_4a.o): Likewise.
15180         ($(T)libic_invalidate_array_4a.a): Likewise.
15181         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15182         * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15183         m4-200*, and m4a*.
15184         * config/sh/crt1.asm: Merged in profiling code.
15185         * config/sh/superh.h (STARTFILE_SPEC): Override.
15186         * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15187         Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15188         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15190         * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15191         * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15192         MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15194         * sh.opt (mpretend-cmove): New option.
15195         * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15196         * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15197         (movsicc): Add TARGET_PRETEND_CMOVE code.
15199 2006-03-27  Andreas Krebbel  <krebbel1@de.ibm.com>
15201         * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15202         s390_class_max_nregs): New function prototypes.
15203         * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15204         (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15205         * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15206         CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15208 2006-03-26  Geoffrey Keating  <geoffk@apple.com>
15210         * dwarf2out.c (add_location_or_const_value_attribute): Call
15211         tree_add_const_value_attribute if nothing else works.
15212         (reference_to_unused): New.
15213         (rtl_for_decl_init): Use reference_to_unused to decide whether
15214         to output an initializer.
15216 2006-03-27  Alan Modra  <amodra@bigpond.net.au>
15218         PR target/26459
15219         * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15220         peephole removing spe frob_di_df_2.
15222 2006-03-26  Sebastian Pop  <pop@cri.ensmp.fr>
15224         * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15225         (subscript_dependence_tester_1): Declared.
15226         (print_dir_vectors, print_dist_vectors): New.
15227         (debug_data_dependence_relation): New.
15228         (dump_data_dependence_relation): Print more details.
15229         (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15230         (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15231         (save_dist_v, save_dir_v, add_outer_distances,
15232         build_classic_dist_vector_1): New.
15233         (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15234         Don't test for lambda_vector_lexico_pos.
15235         (same_access_functions, add_multivariate_self_dist,
15236         add_other_self_distances, dir_from_dist): New.
15237         (build_classic_dir_vector): Replace implementation almost identical to
15238         build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15239         dir_from_dist.
15240         (subscript_dependence_tester_1): New.
15241         (subscript_dependence_tester): Handle the lexicographically negative
15242         distance vectors by recomputing the dependence relation.
15243         (compute_affine_dependence): Remove parameter loop_nest_depth.
15244         (compute_self_dependence): Don't call compute_subscript_distance.
15245         (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15246         Add a parameter for the loop_nest.
15247         (find_loop_nest_1, find_loop_nest): New.
15248         (compute_data_dependences_for_loop): Compute the loop nest, and give
15249         up if the nest is not well formed.
15250         * tree-data-ref.h (loop_p): New.
15251         (struct data_dependence_relation): Replace size_vect field with
15252         loop_nest, a vec of loops.
15253         (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15254         (DDR_LOOP_NEST): New.
15255         (print_dir_vectors, print_dist_vectors,
15256         debug_data_dependence_relation): Declared.
15257         (index_in_loop_nest): New.
15258         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15259         DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15260         distance.
15262 2006-03-25  Adam Nemet  <anemet@caviumnetworks.com>
15264         * simplify-rtx.c (simplify_relational_operation): Call
15265         simplify_relational_operation_1 even if mode is VOIDmode.
15267 2006-03-25  Daniel Berlin  <dberlin@dberlin.org>
15269         PR tree-optimization/26804
15270         * tree.h (DECL_CALL_CLOBBERED): New macro.
15271         (tree_decl_common): Add call_clobbered_flag.
15272         * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15273         (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15274         (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15275         (mark_non_addressable): Ditto.
15276         * tree-ssa.c (verify_call_clobbered): New function.
15277         (verify_alias_info): Use it.
15278         * tree-pass.h (pass_reset_cc_flags): New prototype.
15279         * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15280         (reset_cc_flags): New function.
15281         * passes.c (init_optimization_passes): Call reset_cc_flags after
15282         initializing referenced_vars.
15284 2006-03-25  Uros Bizjak  <uros@kss-loka.si>
15285             Roger Sayle  <roger@eyesopen.com>
15287         PR middle-end/26717
15288         * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15289         to 1.0 for non-real operands. Implement A / A optimization for
15290         complex operands.
15292 2006-03-25  H.J. Lu  <hongjiu.lu@intel.com>
15294         * config/i386/i386.c (size_cost): Correct the comment for
15295         cost of storing fp registers.
15296         (i386_cost): Likewise.
15297         (i486_cost): Likewise.
15298         (pentium_cost): Likewise.
15299         (pentiumpro_cost): Likewise.
15300         (k6_cost): Likewise.
15301         (athlon_cost): Likewise.
15302         (k8_cost): Likewise.
15303         (pentium4_cost): Likewise.
15304         (nocona_cost): Likewise.
15305         (generic64_cost): Likewise.
15306         (generic32_cost): Likewise.
15308 2006-03-24  Denis Chertykov  <denisc@overta.ru>
15310         * config/avr/avr-protos.h (extra_constraint): Delete.
15311         (extra_constraint_Q): New declaration.
15312         * config/avr/constraints.md: New file.
15313         * config/avr/avr.md: Include it.
15314         (REG_X, REG_Y, REG_Z, REG_W): New constants.
15315         (TMP_REGNO, ZERO_REGNO): Likewise.
15316         (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15317         * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15318         (extra_constraint): Delete.
15319         (extra_constraint_Q): Test for memory constraint 'Q'.
15320         * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15321         (REG_CLASS_FROM_LETTER): Delete.
15322         (CONST_OK_FOR_LETTER_P): Delete.
15323         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15324         (EXTRA_CONSTRAINT): Delete.
15325         (TMP_REGNO): Delete.
15326         (ZERO_REGNO): Delete.
15328 2006-03-24  Jeff Law  <law@redhat.com>
15330         * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15331         directly.  Call mark_new_vars_to_rename slightly earlier.
15333 2006-03-24  Geoffrey Keating  <geoffk@apple.com>
15335         * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15336         (is_cxx): Likewise.
15337         (gen_compile_unit_die): Use new language types for Objective-C and
15338         Objective-C++.
15339         (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15340         DW_LANG_C_plus_plus.
15342         PR 26793
15343         * config/t-darwin (crt3.o): Work around bug 26840.
15344         * config/darwin-crt3.c: Rewrite.
15345         * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15347 2006-03-24  Carlos O'Donell  <carlos@codesourcery.com>
15349         * doc/invoke.texi: Document -femit-class-debug-always
15350         * common.opt: Add -femit-class-debug-always.
15352 2006-03-24  Andreas Krebbel  <krebbel1@de.ibm.com>
15354         * config/s390/s390.c (s390_decompose_address): Allow SImode for
15355         index and base register.
15356         (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15357         print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15358         with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15359         REGNO_OK_FOR_INDEX_P.
15360         * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15361         ADDR_REGNO_P.
15362         (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15363         REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15364         REG_OK_FOR_BASE_P): Definitions removed.
15366 2006-03-24  Jakub Jelinek  <jakub@redhat.com>
15368         PR middle-end/26611
15369         * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15370         non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15371         set yet or weren't marked as local yet.
15373 2006-03-24  Bernd Schmidt  <bernd.schmidt@analog.com>
15375         * regrename.c (scan_rtx_address): Initialize a variable to shut up
15376         the compiler.
15378 2006-03-24  Eric Botcazou  <ebotcazou@adacore.com>
15380         * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15381         (rs6000_legitimate_small_data_p): Delete.
15382         * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15383         (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15384         and make static.  Add forward declaration.  Update uses.
15385         (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15386         of offsettable_memref_p.
15387         * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15388         Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15390 2006-03-24  Jeff Law  <law@redhat.com>
15392         * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15393         around bug in immediate-use iterator.
15395 2006-03-24  Alan Modra  <amodra@bigpond.net.au>
15397         PR target/26607
15398         * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15399         or __LITTLE_ENDIAN__.
15401 2006-03-23  J"orn Rennecke <joern.rennecke@st.com>
15403         * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15404         * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15405         * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15406         * config/sh/sh.opt (mdiv=): Amend description.
15407         * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15408         (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15409         (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15410         SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15411         (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15412         Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15413         * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15414         (udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
15415         TARGET_DIVIDE_CALL_FP.
15417 2006-03-23  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15419         * haifa-sched.c (choose_ready): Fix type of the local variable.
15420         Move local variables.  Add comment.
15421         (check_reg_live): Change signature.  Make callable from debugger.
15422         * sched-int.h (check_reg_live): Update signature.
15423         * sched-ebb.c (check_reg_live): Update parameters.
15424         * sched-rgn.c (check_reg_live): Ditto.
15425         (region_head_or_leaf_p): Check pointer before dereferencing.
15426         * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15427         before reload on optimization levels below 1.
15429 2006-03-23  Richard Henderson  <rth@redhat.com>
15431         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15432         tls symbols.
15434         PR target/26347
15435         * config/alpha/predicates.md (local_symbolic_operand): Reject
15436         weak symbols.
15438 2006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
15440         PR tree-opt/26795
15441         * tree-ssa-pre.c (create_value_expr_from): Don't reject
15442         expressions which have overflowed constants.
15444 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
15446         * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15448 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
15450         * cfgloopmanip.c (create_loop_notes): Removed.
15451         * final.c (final_scan_insn): Do not handle loop notes.
15452         * jump.c (squeeze_notes): Ditto.
15453         * cfglayout.c (skip_insns_after_block,
15454         duplicate_insn_chain): Ditto.
15455         * cfgcleanup.c (rest_of_handle_jump2): Do not call
15456         create_loop_notes.
15457         * cfgloop.h (create_loop_notes): Declaration removed.
15459 2006-03-23  Richard Sandiford  <richard@codesourcery.com>
15461         * varasm.c (output_constant_pool): Restore fnname and fndecl
15462         arguments.
15463         (assemble_start_function): Adjust call accordingly.
15464         (assemble_end_function): Likewise.
15466 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15468         PR mudflap/26789
15469         * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15471         PR mudflap/26790
15472         * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15474 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15476         PR driver/22600
15477         * system.h (ICE_EXIT_CODE): New macro.
15478         * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15479         (diagnostic_action_after_output): Likewise.
15480         * gcc.c (fatal_ice): New function.
15481         (execute): Use it instead of fatal.
15482         (fancy_abort): Likewise.
15483         * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15485 2006-03-22  Jeff Law  <law@redhat.com>
15487         * loop-unroll.c (analyze_iv_to_split_insn): Handle
15488         iv_analyze_result returning false.
15490 2006-03-22  Jie Zhang  <jie.zhang@analog.com>
15492         * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15494 2006-03-22  Richard Henderson  <rth@redhat.com>
15496         PR middle-end/26084
15497         * except.c (duplicate_eh_regions_0): New.
15498         (duplicate_eh_region_1): Duplicate the children of the node as
15499         well as the node itself.  Link them up properly.
15500         (duplicate_eh_region_2): Merge into ...
15501         (duplicate_eh_regions): ... here.  Take copy_region argument, and
15502         copy only a sub-tree if asked.  Simplify copying and fixup.
15503         (eh_region_outer_p): New.
15504         * except.h (duplicate_eh_regions): Update decl.
15505         (eh_region_outer_p): Declare.
15506         * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15507         (lower_omp_master): Likewise.
15508         (lower_omp_ordered): Likewise.
15509         * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15510         (move_stmt_r): Use it to remap labels.  Handle recursion vs
15511         remap_decls_p properly.
15512         (move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
15513         (find_outermost_region_in_block): New.
15514         (new_label_mapper): New.
15515         (move_sese_region_to_fn): Copy eh information to the new function
15516         properly.
15517         * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15518         argument.
15519         * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15520         number.
15522 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
15524         * doc/md.texi (-mshared): Mention that -mshared code can be linked
15525         into shared libraries.
15527 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
15529         * doc/md.texi: Refer to i386/constraints.md instead of
15530         i386/predicates.md.
15531         * config/i386/constraints.md: New file, extracted from...
15532         * config/i386/predicates.md: ...here.
15533         * config/i386/i386.md: Include constraints.md.
15535 2006-03-21  Jason Merrill  <jason@redhat.com>
15537         * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15539         PR middle-end/20297
15540         * expr.c (init_block_move_fn): Force default visibility.
15541         (init_block_clear_fn): Likewise.
15542         * builtins.c (expand_builtin_fork_or_exec): Likewise.
15543         * targhooks.c (default_external_stack_protect_fail): Likewise.
15545 2006-03-21  Richard Sandiford  <richard@codesourcery.com>
15547         * config/mips/predicates.md (const_call_insn_operand): Allow direct
15548         calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15549         * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15550         Use TARGET_OLDABI instead of !TARGET_NEWABI.
15551         (loadgp): Use mips_current_loadgp_style.
15552         (loadgp_noshared): New pattern.
15553         (sibcall_internal): Use MIPS_CALL.
15554         (sibcall_value_internal): Likewise.
15555         (sibcall_value_multiple_internal): Likewise.
15556         (call_internal): Likewise.
15557         (call_value_internal): Likewise.
15558         (call_value_multiple_internal): Likewise.
15559         (call_split): Use MIPS_CALL and add an 'S' constraint.
15560         (call_value_split): Likewise.
15561         (call_value_multiple_split): Likewise.
15562         * config/mips/mips.opt (-mabicalls): Tweak docstring.
15563         (-mshared): New option.
15564         * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15565         (mips_current_loadgp_style): Declare.
15566         * config/mips/mips.c (mips_classify_symbol): Avoid using
15567         SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
15568         rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15569         TARGET_ABSOLUTE_ABICALLS.
15570         (override_options): Adjust comments.  Improve the warning that is
15571         issued when -mabicalls and -G are used together.
15572         (mips_file_start): Remove comment.
15573         (mips_current_loadgp_style): New function.
15574         (mips_gnu_local_gp): New variable.
15575         (mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
15576         LOADGP_ABSOLUTE.
15577         (mips_output_function_prologue): Use mips_current_laodgp_style.
15578         (mips_expand_prologue): Call mips_emit_loadgp before emitting
15579         the cprestore instruction.
15580         (mips_extra_live_on_entry): Fix reversed test.  Don't make $25
15581         live for TARGET_ABSOLUTE_ABICALLS.
15582         * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15583         (ASM_SPEC): Pass down -mshared and -mno-shared.
15584         (MIPS_CALL): New macro.
15585         * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15586         definition.
15587         * doc/invoke.texi (-mabicalls): Update documentation.
15588         (-mshared): Document.
15590 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
15592         * config/ia64/unwind-hpux.c: New file.
15593         * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15595 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
15597         PR libgomp/26384
15598         * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15600 2006-03-21  Jeff Law  <law@redhat.com>
15602         * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15603         type conversions of a VR_VARYING source to a wider type.
15605 2006-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
15607         * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15608         tm_file on Solaris 10 and later.
15609         (sparc64-*-solaris2*): Likewise.
15610         (sparc-*-solaris2*): Likewise.
15611         * config/sol26.h: Rename to config/sol2-6.h.
15612         * config/sol2-10.h: New file.
15614 2006-03-21  Andrew Pinski  <pinskia@physics.uc.edu>
15616         PR tree-opt/26781
15617         * tree-ssa-pre.c (create_component_ref_by_pieces):
15618         Handle STRING_CST.
15620 2006-03-21  Jakub Jelinek  <jakub@redhat.com>
15622         PR c++/26690
15623         * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15624         return it immediately.
15626 2006-03-21  Michael Matz  <matz@suse.de>
15628         * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15629         New members.
15630         (remove_arc, add_arc): Update num_out_arcs member.
15631         (set_out_arc_insns_equiv_num): Returns nothing instead of number
15632         of out arcs.
15633         (cache_presence): New function.
15634         (compare_states_for_equiv): New function.
15635         (state_is_differed): Don't take number of outargs, adjust callers.
15636         Use new invariant for speeding up.
15637         (init_equiv_class): Create initial classes based on sorted
15638         input.
15639         (partition_equiv_class): Don't track out_arcs_num.
15640         (evaluate_equiv_classes): Call cache_presence on all states and
15641         sort them.
15643 2006-03-21  Bernd Schmidt  <bernd.schmidt@analog.com>
15645         * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15646         * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15647         (bfin_valid_reg_p): Test for pseudos explicitly and use only
15648         REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
15649         callers changed.
15650         * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15651         (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15652         (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15653         (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15654         REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15655         macros.
15656         (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15657         REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15658         (REGNO_REG_CLASS): ARGP is in PREGS.
15659         * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15660         IREGS.
15661         (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15662         to deal with those addresses.
15663         * addresses.h: New file.
15664         * caller-save.c: Include "addresses.h".
15665         (init_caller_save): Use new base_reg_class function.
15666         * rtl-factoring.c: Include "addresses.h".
15667         (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15668         * recog.c: Include "addresses.h".
15669         (preprocess_constraints): Use new base_reg_class function.
15670         * regrename.c: Include "addresses.h".
15671         (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15672         functions.  Keep track of a new var INDEX_CODE to compute valid
15673         classes.
15674         (replace_oldest_value_addr): Likewise.
15675         (replace_oldest_value_mem): Use base_reg_class.
15676         * reload.c: Include "addresses.h".
15677         (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15678         (find_reloads): Use new base_reg_class function.
15679         (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15680         (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15681         all callers and prototype changed.
15682         * reload1.c: Include "addresses.h".
15683         (maybe_fix_stack_asms): Use base_reg_class.
15684         * regclass.c: Include "addresses.h".
15685         (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15686         (init_reg_autoinc): Use new base_reg_class function.
15687         (record_reg_classes): Likewise.
15688         (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15689         OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
15690         Use new args to compute necessary class.
15692         * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15693         regrename.o, rtl-factoring.o): Update dependencies.
15694         * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15695         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15696         (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15697         REG_OK_FOR_INDEX_P): Delete documentation.
15699 2006-03-21  Alexey Starovoytov  <alexey.starovoytov@sun.com>
15701         * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15702         from V7 to V9 for Solaris 7 and above.
15704 2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>
15706         * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15707         * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15708         argument pointers may not alias any other storage.
15709         * common.opt: Define option -fargument-noalias-anything.
15710         * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15711         alias semantics is specified by flag_argument_noalias > 2.
15713 2006-03-20  Jeff Law  <law@redhat.com>
15715         * tree-pass.h (pass_phi_only_copy_prop): Delete.
15716         (pass_phi_only_cprop): Declare.
15717         * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15718         with phi_only_cprop
15719         * tree-ssa-dom.c (degenerate_phi_result): New function.
15720         (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15721         (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15722         (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15723         (eliminate_degenerate_phis): Likewise.
15724         (pass_phi_only_cprop): New pass descriptor.
15725         * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15726         support code.  Callers updated.
15727         (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15728         (store_copy_prop): Likewise.
15729         (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15731 2006-03-20  Jason Merrill  <jason@redhat.com>
15733         PR c++/21764
15734         * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15735         (push_visibility, pop_visibility): Likewise.
15736         * c-pragma.h: Declare them.
15738 2006-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
15740         * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15742         * config/sh/sh.c (find_regmode_weight): Change the type of the first
15743         parameter and use get_ebb_head_tail.
15744         (sh_md_init_global): Adjust uses of find_regmode_weight.
15746 2006-03-20  Steven Bosscher  <stevenb.gcc@gmail.com>
15748         * function.h (struct function) <x_tail_recursion_reentry>:
15749         Rename to x_stack_check_probe_note.
15750         (tail_recursion_reentry): Rename to stack_check_probe_note.
15751         * function.c: Replace tail_recursion_reentry with
15752         stack_check_probe_note everywhere.
15753         (expand_function_start): Only emit a note for
15754         stack_check_probe_note with -fstack-protect.
15755         * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15757         * emit-rtl.c (remove_unnecessary_notes): Remove.
15758         (pass_remove_unnecessary_notes): Remove.
15759         * rtl.h (remove_unnecessary_notes): Remove prototype.
15760         * final.c (final_start_function): Don't call remove_unnecessary_notes.
15761         * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15762         * passes.c (pass_remove_unnecessary_notes): Don't run it.
15764 2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>
15766         PR tree-opt/26629
15767         * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15768         (valid_in_set): Handle ARRAY_REF.
15769         Change "if min_variant or VH" to asserts.
15770         (create_component_ref_by_pieces): Handle ARRAY_REF.
15771         (create_expression_by_pieces): Likewise.
15772         (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15774 2006-03-20  David Edelsohn  <edelsohn@gnu.org>
15776         * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15777         is operand of switch, not str[0].
15779 2006-03-20  Alan Modra  <amodra@bigpond.net.au>
15781         * config/rs6000/rs6000.c (rs6000_handle_option): Use
15782         TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15784 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
15786         * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15787         end of insn_extra_address_constraint declaration.
15789 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
15791         * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15792         (no-sum-in-toc): Same.
15793         * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15794         variables.
15795         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15796         NO_FP_IN_TOC for -fPIC instead of mask.
15798         * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15799         (BOOT_LDFLAGS): Delete.
15800         (LDFLAGS): Delete.
15801         * config/rs6000/t-aix52: Same.
15803         * config/rs6000/rs6000.md (store_multiple_power): Delete.
15804         (stmsi[345678]_power): New.
15806 2006-03-17  Steve Ellcey  <sje@cup.hp.com>
15808         * config/ia64/ia64.opt: Add empty line to end of file.
15810 2006-03-17  Richard Guenther  <rguenther@suse.de>
15812         PR middle-end/26721
15813         * builtins.c (get_pointer_alignment): For component style references
15814         adjust alignment to the component type alignment.  Make sure
15815         to adjust alignment for component access of constants.
15817 2006-03-17  David Edelsohn  <edelsohn@gnu.org>
15819         * config/rs6000/rs6000.md (strlensi): Emit barrier after
15820         unconditional jump.
15822 2006-03-17  Paul Brook  <paul@codesourcery.com>
15824         * doc/install.texi: Docuemnt --with-mode.
15825         * config.gcc: Add --with-mode for arm*-*-*.
15826         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15828 2006-03-17  J"orn Rennecke <joern.rennecke@st.com>
15830         * sh.c (max_labelno_before_reorg): New variable.
15831         (sh_reorg): Initialize it.
15832         (find_barrier): Check max_labelno_before_reorg before using
15833         label_to_alignment.  Take length of explicit alignment insns
15834         into account.  When seeing a UNSPECV_CONST_END, return it.
15836         * sh.c (fixup_mova): Set mode of affected label to QImode.
15837         (untangle_mova): New function.
15838         (find_barrier): Use it.  Check mode of label before decrementing
15839         num_mova.
15840         (sh_reorg): Likewise.
15841         Set mode of all insns back to VOIDmode.
15843         * sh.c (MOVA_LABELREF): New macro.
15844         (mova_p, fixup_mova, sh_reorg): Use it.
15845         (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15846         ADDR_DIFF_VEC matches mova.
15848 2006-03-17  Steven Bosscher  <stevenb.gcc@gmail.com>
15850         * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15851         with ATTRIBUTE_UNUSED.
15853 2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
15855         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15856         pointer, instead of assuming it is possible to derive the
15857         correct args size from a call insn.
15859 2006-03-16  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
15861         * rtl.h (CONST_INT_P): Define.
15862         * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15863         instead of GET_CODE(x) == CONST_INT.
15864         (vax_rtx_costs): Likewise.
15865         (vax_output_int_move): Likewise.
15866         (vax_output_int_add): Likewise.
15867         (legitimate_constant_address_p): Likewise.
15868         (index_term_p): Likewise.
15869         * config/vax/vax.h (PRINT_OPERAND): Likewise.
15870         * config/vax/vax.md (and<mode>3): Likewise.
15871         (ashrsi3): Likewise.
15872         (extv): Likewise.
15873         (movstricthi): Likewise.
15874         (movstrictqi): Likewise.
15875         (rotrsi3): Likewise.
15876         (five unnamed insns): Likewise.
15878 2006-03-16  Geoffrey Keating  <geoffk@apple.com>
15880         * doc/tm.texi (SDB and DWARF): Add extra parameter to
15881         ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
15882         * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15883         * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15884         Pass to ASM_OUTPUT_DWARF_OFFSET.
15885         * dwarf2out.c (debug_frame_section): New.
15886         (output_call_frame_info): Use debug_frame_section.  Pass it to
15887         dw2_asm_output_offset.
15888         (output_die): Pass appropriate section to dw2_asm_output_offset.
15889         (output_compilation_unit_header): Likewise.
15890         (output_pubnames): Likewise.
15891         (output_aranges): Likewise.
15892         (enum dw_val_class): Break dw_val_class_lbl_offset into
15893         dw_val_class_lineptr and dw_val_class_macptr.
15894         (add_AT_lbl_offset): Delete.
15895         (add_AT_lineptr): New.
15896         (add_AT_macptr): New.
15897         (AT_lbl): Expect a lineptr or macptr.
15898         (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15899         (attr_checksum): Likewise.
15900         (same_dw_val_p): Likewise.
15901         (size_of_die): Likewise.
15902         (value_format): Likewise.
15903         (output_die): Likewise.
15904         (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15905         add_AT_lbl_offset.
15906         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15907         * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15908         * config/darwin-protos.h (darwin_file_start): New.
15909         (darwin_asm_output_dwarf_offset): New.
15910         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15911         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15912         darwin_file_start.
15913         * config/darwin.c (darwin_emit_unwind_label): Don't output label
15914         if not EH section; simplify.
15915         (darwin_file_start): New.
15916         (darwin_asm_output_dwarf_offset): New.
15917         * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15918         mark as 'debug'.
15919         (DEBUG_INFO_SECTION): Likewise.
15920         (DEBUG_ABBREV_SECTION): Likewise.
15921         (DEBUG_ARANGES_SECTION): Likewise.
15922         (DEBUG_MACINFO_SECTION): Likewise.
15923         (DEBUG_LINE_SECTION): Likewise.
15924         (DEBUG_LOC_SECTION): Likewise.
15925         (DEBUG_PUBNAMES_SECTION): Likewise.
15926         (DEBUG_STR_SECTION): Likewise.
15927         (DEBUG_RANGES_SECTION): Likewise.
15928         (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15929         (ASM_OUTPUT_DWARF_OFFSET): New.
15931 2006-03-16  Joseph S. Myers  <joseph@codesourcery.com>
15933         * config.gcc (tm_defines): Always add to previous value rather
15934         than replacing it.
15936 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
15938         * config/mips/predicates.md (splittable_const_int_operand): New,
15939         split from move_operand.
15940         (splittable_symbolic_operand): New.
15941         (move_operand): Add commentary.  Use splittable_const_int_operand.
15942         Inline mips_atomic_symbolic_constant_p.
15943         * config/mips/mips.md: Add combine splitters for handling moves
15944         of splittable_const_int_operands and splittable_symbolic_operands.
15945         * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15946         (mips_split_symbol): Declare.
15947         (mips_move_integer): Declare.
15948         * config/mips/mips.c (mips_split_p): Make global.
15949         (TARGET_MIN_ANCHOR_OFFSET): Override default.
15950         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15951         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15952         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15953         (mips_offset_within_object_p): Handle block symbols.
15954         (mips_atomic_symbolic_constant_p): Delete.
15955         (mips_cannot_force_const_mem): Return false for constants that
15956         mips_legitimize_move can handle.
15957         (mips_use_blocks_for_constant_p): New function.
15958         (mips_split_symbol): Make global.
15959         (mips_move_integer): Likewise.  Add a temporary register argument.
15960         (mips_legitimize_const_move): Use splittable_const_int_operand and
15961         splittable_symbolic_operand.
15962         (mips_use_anchors_for_symbol_p): New function.
15963         * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15964         (mips_split_p): Declare.
15966 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
15968         * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15969         (mips*-*-linux*): Likewise.
15971 2006-03-16  Roger Sayle  <roger@eyesopen.com>
15972             Daniel Speyer  <dspeyer@wam.umd.edu>
15974         PR middle-end/18259
15975         * tree-dump.c (dump_real): New function.
15976         (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15977         * Makefile.in (REAL_H): New macro for dependencies on real.h.
15978         (tree-dump.o): Add $(REAL_H) to the dependencies.
15980 2006-03-16  Roger Sayle  <roger@eyesopen.com>
15982         PR middle-end/21781
15983         * real.c (real_from_string): If the mantissa is zero, don't bother
15984         parsing the exponent as the result should always be zero.
15986 2006-03-16  Andreas Krebbel  <krebbel1@de.ibm.com>
15988         * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15990 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15992         * config/ia64/ia64.c (stops_p): Added explicit initialization.
15993         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15994         ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15995         ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15996         ia64_sched_finish_global): New static functions to implement
15997         hooks from gcc_target.sched.
15998         (spec_check_no, max_uid, pending_data_specs): New static variables.
15999         (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16000         ia64_spec_check_src_p): New static functions.
16001         (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16002         (TARGET_SCHED_ADJUST_COST): Removed.
16003         (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16004         TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16005         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16006         TARGET_SCHED_GEN_CHECK,
16007         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16008         TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16009         (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16010         Fixed to handle speculation checks.
16011         (rtx_needs_barrier): Fixed to handle speculative loads and
16012         their checks.
16013         (ia64_variable_issue): Added code to count speculative loads and their
16014         checks.
16015         (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16016         speculative loads.
16017         (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16018         New enumerations.
16019         (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16020         New constants.
16021         (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16022         (ia64_reorg): Reset stops_p to NULL after it is freed.
16023         * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16024         UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16025         (itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
16026         chk_a.
16027         (data_speculative, control_speculative, check_load): New attributes.
16028         (mov<mode>_advanced, mov<mode>_speculative,
16029         mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16030         zero_extend<mode>di2_speculative,
16031         zero_extend<mode>di2_speculative_advanced): New patterns for
16032         data and control speculative loads.
16033         (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16034         check loads.
16035         (advanced_load_check_clr_<mode>, speculation_check_<mode>):
16036         New pattern for data and control speculation checks.
16037         (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16038         ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16039         reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16040         Auxiliary definitions for the patterns.
16041         * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16042         1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16043         constraints.
16044         (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16045         for speculation.
16046         (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16047         * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16048         2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16049         New resource constraints.
16050         (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16051         for speculation.
16052         (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16053         * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16054         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16055         msched-in-control-spec, msched-ldc, msched-control-ldc,
16056         msched-spec-verbose, msched-prefer-non-data-spec-insns,
16057         msched-prefer-non-control-spec-insns,
16058         msched-count-spec-in-critical-path): New flags to tune speculative
16059         scheduling.
16060         * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16061         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16062         msched-in-control-spec, msched-ldc, msched-control-ldc,
16063         msched-spec-verbose, msched-prefer-non-data-spec-insns,
16064         msched-prefer-non-control-spec-insns,
16065         msched-count-spec-in-critical-path): Document new flags.
16067 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16069         * target.h (struct spec_info_def): New opaque declaration.
16070         (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16071         speculate_insn, needs_block_p, gen_check,
16072         first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16073         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16074         TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16075         TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16076         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16077         TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16078         gcc_target.sched.
16079         (TARGET_SCHED): Use new macros.
16080         * rtl.h (copy_DEPS_LIST_list): New prototype.
16081         * sched-int.h (struct sched_info): Change signature of new_ready field,
16082         adjust all initializations. New fields: add_remove_insn,
16083         begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16084         region_head_or_leaf_p.
16085         (struct spec_info_def): New structure declaration.
16086         (spec_info_t): New typedef.
16087         (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16088         recovery_block, orig_pat.
16089         (glat_start, glat_end): New variables declaraions.
16090         (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16091         New access macros.
16092         (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16093         DETACH_LIFE_INFO, USE_GLAT.
16094         (enum SPEC_SCHED_FLAGS): New enumeration.
16095         (NOTE_NOTE_BB_P): New macro.
16096         (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16097         attach_life_info, debug_spec_status, check_reg_live): New functions.
16098         (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16099         all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16100         sched-ebb.c
16101         (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16102         * ddg.c (get_block_head_tail): Adjust all uses.
16103         * modulo-sched.c (get_block_head_tail): Adjust all uses.
16104         (sms_sched_info): Initialize new fields.
16105         (contributes_to_priority): Removed.
16106         * haifa-sched.c (params.h): New include.
16107         (get_block_head_tail): Adjust all uses.
16108         (ISSUE_POINTS): New macro.
16109         (glat_start, glat_end): New global variables.
16110         (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16111         nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16112         old_last_basic_block, before_recovery, current_sched_info_var,
16113         rgn_n_insns, luid): New static variables.
16114         (insn_cost1): New function.  Move logic from insn_cost to here.
16115         (find_insn_reg_weight1): New function.  Move logic from
16116         find_insn_reg_weight to here.
16117         (reemit_notes, move_insn, max_issue): Change signature.
16118         (move_insn1): Removed.
16119         (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16120         extend_bb): New static functions to support extension of scheduler's
16121         data structures.
16122         (generate_recovery_code, process_insn_depend_be_in_spec,
16123         begin_speculative_block, add_to_speculative_block,
16124         init_before_recovery, create_recovery_block, create_check_block_twin,
16125         fix_recovery_deps): New static functions to support
16126         generation of recovery code.
16127         (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16128         restore_bb_notes, move_block_after_check, move_succs): New static
16129         functions to support ebb scheduling.
16130         (init_glat, init_glat1, attach_life_info1, free_glat): New static
16131         functions to support handling of register live information.
16132         (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16133         sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16134         add_jump_dependencies): New static functions.
16135         (check_cfg, has_edge_p, check_sched_flags): New static functions for
16136         consistancy checking.
16137         (debug_spec_status): New function to call from debugger.
16138         (priority): Added code to handle speculation checks.
16139         (rank_for_schedule): Added code to distinguish speculative instructions.
16140         (schedule_insn): Added code to handle speculation checks.
16141         (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16142         Fixed to handle ebbs.
16143         (move_insn): Added code to handle ebb scheduling.
16144         (max_issue): Added code to use ISSUE_POINTS of instructions.
16145         (choose_ready): Added code to choose between speculative and
16146         non-speculative instructions.
16147         (schedule_block): Added code to handle ebb scheduling and scheduling of
16148         speculative instructions.
16149         (sched_init): Initialize new variables.
16150         (sched_finish): Free new variables.  Print statistics.
16151         (try_ready): Added code to handle speculative instructions.
16152         * lists.c (copy_DEPS_LIST_list): New function.
16153         * sched-deps.c (extend_dependency_caches): New function.  Move logic
16154         from create_dependency_caches to here.
16155         (get_dep_weak, ds_merge): Make global.
16156         * genattr.c (main): Code to output prototype for
16157         dfa_clear_single_insn_cache.
16158         * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16159         (output_dfa_clean_insn_cache_func): Code to output
16160         dfa_clear_single_insn_cache function.
16161         * sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
16162         n_insns.
16163         (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16164         Removed.
16165         (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16166         New static variables.
16167         (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16168         fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16169         struct sched_info.
16170         (ebb_sched_info): Initialize new fields.
16171         (get_block_head_tail): Adjust all uses.
16172         (compute_jump_reg_dependencies): Fixed to use glat_start.
16173         (schedule_ebb): Code to remove unreachable last block.
16174         (schedule_ebbs): Added code to update register live information.
16175         * sched-rgn.c (region_sched_info): Initialize new fields.
16176         (get_block_head_tail): Adjust all uses.
16177         (last_was_jump): Removed.  Adjust users.
16178         (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16179         add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16180         Implement new hooks.
16181         (check_dead_notes1): New static function.
16182         (struct region): New fields: dont_calc_deps, has_real_ebb.
16183         (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16184         (BB_TO_BLOCK): Fixed to handle EBBs.
16185         (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16186         (ebb_head): New static variable.
16187         (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16188         (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16189         new fields.
16190         (compute_dom_prob_ps): New assertion.
16191         (check_live_1, update_live_1): Fixed to work with glat_start instead of
16192         global_live_at_start.
16193         (init_ready_list): New assertions.
16194         (can_schedule_ready_p): Split update code to begin_schedule_ready.
16195         (new_ready): Add support for BEGIN_CONTROL speculation.
16196         (schedule_insns): Fixed code that updates register live information
16197         to handle EBBs.
16198         (schedule_region): Fixed to handle EBBs.
16199         (init_regions): Use extend_regions and check_dead_notes1.
16200         * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16201         PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16202         * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16203         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16204         TARGET_SCHED_GEN_CHECK,
16205         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16206         TARGET_SCHED_SET_SCHED_FLAGS): Document.
16207         * doc/invoke.texi (max-sched-insn-conflict-delay,
16208         sched-spec-prob-cutoff): Document.
16210 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16212         * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16213         inter_tick, queue_index.
16214         (struct sched_info): Change signature of init_ready_list field.
16215         Adjust all initializations.
16216         (RESOLVED_DEPS): New access macro.
16217         (ready_add): Remove prototype.
16218         (try_ready): Add prototype.
16219         * sched-rgn.c (init_ready_list): Use try_ready.
16220         (schedule_region): Initialize
16221         current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16222         * sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
16223         (init_ready_list): Use try_ready.
16224         (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16225         * lists.c (remove_list_elem): Remove `static'.
16226         (remove_free_INSN_LIST_elem): New function.
16227         * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16228         * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16229         (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16230         New constants.
16231         (readyp): New variable.
16232         (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16233         change_queue_index, resolve_dep): New static functions.
16234         (try_ready): New function.  Adjust callers in sched-rgn.c and
16235         sched-ebb.c to use it instead of ready_add.
16236         (clock_var): Move at the begining of file.
16237         (rank_for_schedule): Fix typo.
16238         (queue_insn): Add assertion.  Handle QUEUE_INDEX.
16239         (ready_lastpos): Enforce assertion.
16240         (ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
16241         update all callers.
16242         (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16243         (schedule_insn): Rewrite to use try_ready and resolve_dep.
16244         (queue_to_ready): Use free_INSN_LIST_list.
16245         (early_queue_to_ready): Fix typo.
16246         (schedule_block): Init readyp.  Move init_ready_list call after the
16247         initialization of clock_var.  Fix error in rejecting insn by
16248         targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
16249         that previously corrected INSN_TICKs.  Add code for handling
16250         QUEUE_INDEX.
16251         (set_priorities): Fix typo.
16252         (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16253         Clarify comment and code that keeps current_sched_info->next_tail
16254         non-null.
16256 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16258         * sched-rgn.c (extend_rgns): New static function.
16259         (find_rgns): Use it.
16260         (gather_region_statistics, print_region_statistics): New static
16261         functions.
16262         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16263         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16265 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16266             Andrey Belevantsev <abel@ispras.ru>
16268         * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16269         * lists.c (unused_deps_list): New variable.
16270         (free_list): Add assertions to verify the proper distinguishing
16271         between INSN_LISTs and DEPS_LISTs.
16272         (find_list_elem, remove_list_elem, remove_list_node): New static
16273         functions.
16274         (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16275         remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16276         remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16277         (alloc_INSN_LIST): Assert that the list we're working on is indeed
16278         an INSN_LIST.
16279         (free_INSN_LIST_node): Likewise.
16280         * modulo-sched.c (current_sched_info): Initialize flags field.
16281         * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16282         * rtl.def (DEPS_LIST): Define.
16283         * rtl.h: Declare new functions from lists.c.
16284         * sched-deps.c (spec_dependency_cache): New static variable.
16285         (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16286         (add_dependence): Change return type to void.  Move the logic to ...
16287         (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
16288         (delete_all_dependences): Add comment about forward_dependency_cache.
16289         Handle spec_dependency_cache.  Handle DEPS_LISTs.
16290         (fixup_sched_groups): Clarify the change of priority of output
16291         and anti dependencies.
16292         (sched_analyze_2): Adjust add_dependence calls to create data
16293         speculative dependence.
16294         (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16295         Adjust all callers.  Handle DEPS_LISTS.
16296         (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
16297         presence of speculation.
16298         (init_dependency_caches, free_dependency_caches):
16299         Handle spec_dependency_cache.
16300         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16301         estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16302         New static functions.
16303         (add_or_update_back_dep, add_or_update_back_forw_dep,
16304         add_back_forw_dep, delete_back_forw_dep): New functions.
16305         * sched-int.h (ds_t, dw_t): New typedefs.
16306         (struct sched_info): Add new field flags.
16307         (struct haifa_insn_data): Add new bitfield has_internal_dep.
16308         Prototype new sched-deps.c functions.
16309         (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16310         (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16311         MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16312         BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16313         SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16314         SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16315         New constants.
16316         (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16317         New enums.
16318         * sched-rgn.c (current_sched_info): Initialize flags field.
16319         (schedule_insns): Initialize current_sched_info before the sched_init
16320         call.
16321         * sched-ebb.c (current_sched_info): Initialize flags field.
16322         (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16323         Call add_or_update_back_dep instead of add_dependence.
16324         Create control speculative dependencies.
16325         (schedule_insns): Initialize current_sched_info before the sched_init
16326         call.
16328 2006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
16330         * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16331         fs->signal_frame.
16332         (sh_fallback_frame_state): Likewise.
16334 2006-03-15  Geoffrey Keating  <geoffk@apple.com>
16336         * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16337         Do switch on default_use_cxa_atexit.
16338         (powerpc*-*-darwin*): Build crt2.o on powerpc.
16339         * config/darwin-crt3.o: New.
16340         * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16341         to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
16342         (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16343         OS version.
16344         * config/rs6000/t-darwin: Move crt2.o building to here.
16345         * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16346         Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
16347         of __cxa_atexit.
16349 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16351         * config/vax/vax.c (nonindexed_address_p): Change logical negation
16352         from '! xxx' to '!xxx' for coding-style conformance.
16353         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16354         (EXTRA_CONSTRAINT): Likewise.
16355         * config/vax/vax.md (four unnamed insns): Likewise.
16357 2006-03-15  Paul Brook  <paul@codesourcery.com>
16359         * config/arm/arm.c (minipool_pad): New.
16360         (add_minipool_forward_ref): Include pool alignment padding in address
16361         calculation.
16362         (push_minipool_fix): Set minipool_pad.
16363         (minipool_pad): Ditto.
16365 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
16367         * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16368         instead of GET_CODE() == MEM and REG_P() instead of
16369         GET_CODE() == REG.
16370         (print_operand_address): Likewise.
16371         (vax_address_cost): Likewise.
16372         (vax_rtx_costs): Likewise.
16373         (vax_notice_update_cc): Likewise.
16374         (vax_output_int_add): Likewise.
16375         (INDEX_REGISTER_P): Likewise.
16376         (BASE_REGISTER_P): Likewise.
16377         (nonindexed_address_p): Likewise.
16378         (vax_mode_dependent_address_p): Likewise.
16379         * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16380         (PRINT_OPERAND): Likewise.
16381         * config/vax/vax.md (ashlsi3): Likewise.
16382         (ashlsi3): Likewise.
16383         (some more unnamed insns): Likewise.
16385 2006-03-15  Kazu Hirata  <kazu@codesourcery.com>
16387         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16388         iterator-style macro.
16389         (mark_control_dependent_edges_necessary): Update the use of
16390         EXECUTE_IF_CONTROL_DEPENDENT.
16392 2006-03-15  J"orn Rennecke <joern.rennecke@st.com>
16394         * config/sh/predicates.md (cache_address_operand): Special.
16395         (ua_address_operand): Likewise.
16397 2006-03-15  Zdenek Dvorak <dvorakz@suse.cz>
16399         * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16400         loop notes.
16401         * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16403 2006-03-15  Andreas Schwab  <schwab@suse.de>
16405         * gensupport.c (identify_predicable_attribute): Don't free p_false
16406         when it is still in use.
16408 2006-03-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
16410         * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16411         the default setting here.
16413 2006-03-14  Steven Bosscher  <stevenb.gcc@gmail.com>
16415         * tree-pass.h (pass_cfg): Remove.
16416         * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16417         * passes.c (pass_cfg): Don't run it.
16419 2006-03-14  Kazu Hirata  <kazu@codesourcery.com>
16421         * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16422         * reg-stack.c (stack_regs_mentioned_data): Change the type to
16423         VEC(char,heap) *.
16424         (stack_regs_mentioned): Update the uses of
16425         stack_regs_mentioned_data.  Don't access the array beyond its
16426         end.
16427         (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16428         Don't include gt-reg-stack.h.
16430         * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16431         * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16433         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16435         PR middle-end/26684
16436         * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16437         STACK_REGS.
16439 2006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16441         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16443 2006-03-14  Richard Guenther  <rguenther@suse.de>
16445         PR tree-optimization/26672
16446         * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16447         SSA form.
16449 2006-03-14  Richard Guenther  <rguenther@suse.de>
16451         PR tree-optimization/26667
16452         * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16453         node for the callees.  Always allow inlining if it will shrink
16454         the function size.
16456 2006-03-14  Richard Guenther  <rguenther@suse.de>
16458         PR middle-end/26659
16459         * builtins.c (get_pointer_alignment): Prefer alignment
16460         information from decls over that from types.
16462 2006-03-14  Andrew Pinski  <pinskia@physics.uc.edu>
16464         PR target/26657
16465         * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16467 2006-03-14  Joseph S. Myers  <joseph@codesourcery.com>
16469         * config/rs6000/rs6000.opt (mdlmzb): New option.
16470         (msched-prolog, msched-epilog): Use Var not Mask.
16471         * doc/invoke.texi (-mdlmzb): Document.
16472         * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16473         MASK_SCHED_PROLOG.
16474         (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16475         * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16477 2006-03-13  Uttam Pawar  <uttamp@us.ibm.com>
16479         PR rtl-optimization/25739
16480         * bt-load.c (augment_live_range): Free tos pointer.
16482         * gensupport.c (identify_predicable_attribute): Free
16483         p_false pointer.
16484         * gcov.c (create_file_names): Free name pointer.
16486 2006-03-13  Roger Sayle  <roger@eyesopen.com>
16488         PR middle-end/26557
16489         * stmt.c (emit_case_nodes): Handle the case where the index is a
16490         CONST_INT, where the comparison mode is specified by the index type.
16492 2006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16494         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16495         is defined.
16497 2006-03-13  Richard Sandiford  <richard@codesourcery.com>
16499         * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16500         (*branch_fp_inverted): Likewise.
16502 2006-03-13  Jakub Jelinek  <jakub@redhat.com>
16504         PR middle-end/25989
16505         * omp-low.c (expand_omp_for_generic): Mark istart0
16506         and iend0 as addressable.
16508 2006-03-13  Jie Zhang  <jie.zhang@analog.com>
16510         * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16512 2006-03-13  Jeff Law  <law@redhat.com>
16514         * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16515         virtual operands are interesting.
16516         (vrp_visit_stmt): Corresponding changes.
16518 2006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>
16520         * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16521         of RETS.
16522         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16523         TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16524         * config/bfin/crti.S: Use it instead of __PIC__.
16525         * config/bfin/crtn.S: Likewise.
16527         * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16528         call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16529         not if flag_pic.
16530         Lose 'G' modifier for call operand.
16531         * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16532         recognize 'G' modifier.
16534 2006-03-13  Eric Botcazou  <ebotcazou@adacore.com>
16536         PR middle-end/18859
16537         * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16538         * stmt.c (expand_case): Likewise.
16540 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16542         PR rtl-optimization/26254
16543         * loop-invariant.c (seq_insns_valid_p): New function.
16544         (move_invariant_reg): Only emit new code if it is valid.
16546 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16548         * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16549         Removed.
16550         (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16551         (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16552         (commit_one_edge_insertion): Do not look for loop notes.
16554 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16556         * jump.c (follow_jumps): Do not check for loop notes.  Move check for
16557         flag_test_coverage out of loop.
16559 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16561         * final.c (shorten_branches): Remove outdated comment, and turn
16562         the if branch that guards it to continue.
16564 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
16566         * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16567         * cfgloop.h (struct loop): Remove unused fields.
16569 2006-03-13  Kazu Hirata  <kazu@codesourcery.com>
16571         * doc/invoke.texi (-fdump-rtl-loop): Remove.
16572         (-dL, -fdump-rtl-loop2): Update the dump file names
16574         * doc/invoke.texi: Update dump file names.
16576 2006-03-12  Steven Bosscher  <stevenb.gcc@gmail.com>
16578         * predict.c (estimate_probability): Remove.
16579         * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16580         * basic-block.h (estimate_probability): Remove prototype.
16581         * passes.c (finish_optimization_passes): Dump branch prediction or
16582         profiling heuristics to the .profile tree dump.
16583         (init_optimization_passes): Unqueue pass_branch_prob.
16585         * doc/invoke.texi (-fdump-rtl-bp): Remove.
16587 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16589         * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16590         * rtl.h (LABEL_NEXTREF): Remove field accessor.
16592 2006-03-11  Eric Botcazou  <ebotcazou@adacore.com>
16594         * function.h (frame_offset_overflow): Declare.
16595         * function.c (frame_offset_overflow): New function.
16596         (assign_stack_local_1): Call it to detect that the offset overflows.
16597         * cfgexpand.c (alloc_stack_frame_space): Likewise.
16599 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
16601         * config/sh/sh.c: Include alloc-pool.h.
16602         (label_ref_list_pool): New alloc pool.
16603         (label_ref_list_t): New type for lists of labels.
16604         (struct pool_node): Make wend a label_ref_list_t.
16605         (add_constant): Use the new type, eradicate LABEL_NEXTREF
16606         references.
16607         (dump_table): Likewise.
16608         (sh_reorg): Set up the alloc pool before using add_constant and
16609         dump_table, and destroy it when finishing.
16611 2006-03-11  Richard Sandiford  <richard@codesourcery.com>
16613         * config/mips/mips.c: Remove redundant comment.
16615 2006-03-10  Jason Merrill  <jason@redhat.com>
16617         PR c/26004
16618         * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16619         the target was declared 'register'.
16621 2006-03-10  Adam Nemet  <anemet@caviumnetworks.com>
16623         * genpreds.c (write_insn_constraint_len): Change definition of
16624         insn_constraint_len to return size_t to match the declaration.
16626 2006-03-10  DJ Delorie  <dj@redhat.com>
16628         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16629         start at zero.
16630         (m32c_expand_insv): Fix test for an AND mask.
16632 2006-03-10  Richard Guenther  <rguenther@suse.de>
16634         PR middle-end/26565
16635         * builtins.c (get_pointer_alignment): Handle component
16636         references for field alignment.
16638 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
16640         * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16641         when building with libgloss.
16642         (sh*elf): Implement --without-fp option.
16643         (sh64-superh-linux*): Don't multilib.
16645 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
16647         * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16649 2006-03-09  Andrew Pinski  <pinskia@physics.uc.edu>
16651         * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16652         Set it when one of the replacement functions returned true.
16653         Return TODO_cleanup_cfg if cfgchanged is true.
16654         (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16656 2006-03-09  Adam Nemet  <anemet@caviumnetworks.com>
16658         * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16659         instead of gen_lowpart.
16661 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
16663         * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16664         interface.
16665         (mips_output_order_conditional_branch): Declare.
16666         * config/mips/mips.h (MIPS_BRANCH): New macro.
16667         * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16668         for the comparison.  Use gen_condjump.
16669         (mips_output_conditional_branch): Rework interface to take the
16670         asm templates for a direct branch and the inverse of a direct branch.
16671         (mips_output_order_conditional_branch): New function.
16672         (mips_builtin_branch_and_move): New function.
16673         (mips_expand_builtin_compare): Use it.  Use VOIDmode for the
16674         branch condition.  Use gen_single_cc as the condition for
16675         __builtin_mips_upper_* or __builtin_mips_lower_*.
16676         (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16677         Use VOIDmode for the branch condition.
16678         * config/mips/predicates.md (order_operator): New predicate.
16679         * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16680         (branch_fp): Rename to...
16681         (*branch_fp): ...this.  Remove mode from comparison operator.
16682         Use new mips_output_conditional_branch interface.
16683         (branch_fp_inverted): Rename to...
16684         (*branch_fp_inverted): ...this and update as for *branch_fp.
16685         (*branch_zero<mode>): Rename to...
16686         (*branch_order<mode>): ...this.  Remove mode from comparison operator.
16687         Use mips_output_order_conditional_branch.  Only accept ordered
16688         comparisons.
16689         (*branch_zero<mode>_inverted): Rename to...
16690         (*branch_order<mode>_inverted): ...this and update as for
16691         *branch_order<mode>.
16692         (*branch_equality<mode>): Accept zero as the second operand to
16693         the equality operator.  Use the new mips_output_conditional_branch
16694         interface.
16695         (*branch_equality<mode>_inverted): Likewise.
16696         (condjump): New expander.
16697         * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16698         operator.
16699         * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16700         (bc1any2t, bc1any2f): Likewise.
16701         (single_cc): New expander.
16702         (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16704 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
16706         * doc/md.texi: Update documentation of MIPS constraints.
16707         * config/mips/constraints.md: New file.
16708         * config/mips/mips.md: Include it.
16709         * config/mips/mips.c (mips_char_to_class): Delete.
16710         (override_options): Don't initialize mips_char_to_class.
16711         * config/mips/mips.h (mips_char_to_class): Delete.
16712         (REG_CLASS_FROM_LETTER): Delete.
16713         (CONST_OK_FOR_LETTER_P): Delete.
16714         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16715         (EXTRA_CONSTRAINT_Y): Delete.
16716         (EXTRA_CONSTRAINT_STR): Delete.
16717         (CONSTRAINT_LEN): Delete.
16718         (EXTRA_MEMORY_CONSTRAINT): Delete.
16720 2006-03-09  Diego Novillo  <dnovillo@redhat.com>
16722         * tree-cfg.c (move_block_to_fn): Remove the statements from the
16723         original fn's eh regions.
16725 2006-03-09  Eric Botcazou  <ebotcazou@adacore.com>
16727         * fold-const.c (build_range_check): Make sure to use a valid type to
16728         apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16729         transformation.
16731         (range_predecessor): New static function.
16732         (range_successor): Likewise.
16733         (merge_ranges): Use them to compute predecessors and successors of
16734         range bounds.
16736 2006-03-09  Roger Sayle  <roger@eyesopen.com>
16738         PR middle-end/26561
16739         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16740         X op C3, consider whether C3 overflows towards +Inf or -Inf.
16742 2006-03-08  DJ Delorie  <dj@redhat.com>
16744         * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16745         (addpsi3): Expand to include memory operands.  Remove
16746         reload-specific splits.
16747         * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16748         (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16749         (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16750         (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16751         (shift1_qi, shift1_hi, insv): New.
16752         * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16753         (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16754         cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16755         cond_to_int): New.
16756         * config/m32c/m32c-protos.h: Update as needed.
16757         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16758         default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
16759         Fail for unrecognized R* constraints.
16760         (m32c_cannot_change_mode_class): Be more picky about pseudos.
16761         (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16762         (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16763         Add Sp constraint.
16764         (m32c_init_libfuncs): New.
16765         (m32c_legitimate_address_p): Add debug wrapper.
16766         (m32c_rtx_costs): New.
16767         (m32c_address_cost): New.
16768         (conversions): Add 'B' prefix.
16769         (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16770         operands, or word regnames for QI operands.  'B' prints bit
16771         position.
16772         (m32c_expand_setmemhi): New.
16773         (m32c_expand_movmemhi): New.
16774         (m32c_expand_movstr): New.
16775         (m32c_expand_cmpstr): New.
16776         (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16777         (m32c_expand_neg_mulpsi3): Handle non-ints.
16778         (m32c_cmp_flg_0): New.
16779         (m32c_expand_movcc): New.
16780         (m32c_expand_insv): New.
16781         (m32c_scc_pattern): New.
16782         * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
16783         a0/a1 out of SIregs.
16784         (STORE_FLAG_VALUE): New.
16785         * config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
16786         code macros.
16787         (no_insn): New.
16788         * config/m32c/mov.md: Make constraints more liberal.
16789         (zero_extendqihi2): Optimize r0/r1 case.
16790         * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16791         * config/m32c/predicates.md (m32c_any_operand): New.
16792         (m32c_nonimmediate_operand): New.
16793         (m32c_hl_operand): New.
16794         (m32c_r3_operand): New.
16795         (ap_operand): New.
16796         (ma_operand): New.
16797         (memsym_operand): New.
16798         (memimmed_operand): New.
16799         (a_qi_operand): New.
16800         (m32c_eqne_operator): New.
16801         (m32c_1bit8_operand): New.
16802         (m32c_1bit16_operand): New.
16803         (m32c_1mask8_operand): New.
16804         (m32c_1mask16_operand): New.
16805         * config/m32c/blkmov.md: New file.
16806         * config/m32c/t-m32c (MD_FILES): Add blkmov.
16808 2006-03-08  Andreas Tobler  <a.tobler@schweiz.ch>
16810         * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16811         unsigned to fix signed/unsigned comparison issue in
16812         DWARF2_FRAME_REG_OUT.
16813         (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16814         unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16816         * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16817         of ptr into the ENABLE_CHECKING section.
16819 2006-03-08  Jeff Law  <law@redhat.com>
16821         * tree-vrp.c (infer_value_range): Only count pointer uses
16822         and dereferences if -fdelete-null-pointer-checks is enabled.
16824         * tree-vrp.c (find_assert_locations): Infer value ranges for
16825         single use pointers, but do not create ASSERT_EXPRs for them.
16826         When a non-null range is inferred for a pointer, backwards
16827         propagate that range to other equivalent pointers through the
16828         use-def chain.
16830 2006-03-08  Paolo Bonzini  <bonzini@gnu.org>
16832         PR bootstrap/26500
16833         * Makefile.in (dvi, html, install-info): Invoke the corresponding
16834         language hook targets.
16835         * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16836         objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16837         if language hook targets were missing.
16839 2006-03-07  Zdenek Dvorak <dvorakz@suse.cz>
16841         * tree-ssa-opfinalize.h: Removed.
16842         * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16843         dependency.
16844         * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16845         (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16846         INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16847         add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16848         finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16849         finalize_ssa_v_must_def_ops): New.
16851 2006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>
16853         * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16854         block as parameter.
16856 2006-03-07  Geoffrey Keating  <geoffk@apple.com>
16858         * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16860         * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16861         addresses with offsets; reorganize.
16863         * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16864         (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16865         (expand_builtin_init_dwarf_reg_sizes): Likewise.
16867 2006-03-08  David Billinghurst <David.Billinghurst@riotinto.com>
16869         PR target/26588
16870         * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16872 2006-03-08  Ben Elliston  <bje@au.ibm.com>
16874         * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16876 2006-03-07  Aldy Hernandez  <aldyh@redhat.com>
16878         PR gomp/26238
16879         * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16880         expansion.
16882 2006-03-07  Richard Guenther  <rguenther@suse.de>
16884         PR tree-optimization/26587
16885         * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16887 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
16889         * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16891 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
16893         * hooks.c (hook_bool_mode_rtx_true): New function.
16894         * hooks.h (hook_bool_mode_rtx_true): Declare.
16895         * toplev.c (compile_file): Call output_shared_constant_pool.
16896         * varasm.c (shared_constant_pool): New variable.
16897         (assemble_start_function, assemble_end_function): Remove arguments
16898         from call to output_constant_pool.
16899         (create_constant_pool): New function, split out from...
16900         (init_varasm_status): ...here.
16901         (force_const_mem): Choose between the shared and per-function constant
16902         pools.  Set current_function_uses_const_pool when reusing old entries
16903         as well as when creating new ones.
16904         (mark_constant): Ignore data argument.
16905         (mark_constants): Remove pool argument.
16906         (mark_constant_pool): Likewise.  Use current_function_uses_const_pool
16907         to decide whether the function uses a constant pool.
16908         (output_constant_pool_contents): New function, split out from...
16909         (output_constant_pool): ...here.
16910         (output_shared_constant_pool): New function.
16911         (init_varasm_once): Initialize shared_constant_pool.
16912         * output.h (output_constant_pool): Delete.
16913         (output_shared_constant_pool): Declare.
16914         * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16915         * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16917 2006-03-06  Nick Clifton  <nickc@redhat.com>
16919         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16920         flag_strength_reduce.
16922 2006-03-06  Ben Elliston  <bje@au.ibm.com>
16924         * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16925         x86_64-*-linux* configurations.
16927         * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16928         (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16930 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
16932         * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16933         Remove.
16934         * basic-block.h: Remove the extern for
16935         rediscover_loops_after_threading.
16937         * cfgloop.c (cancel_loop): Make it static.
16938         * cfgloop.h: Remove the prototype for cancel_loop.
16940         * flow.c (recompute_reg_usage): Make it static.
16941         * rtl.h: Remove the prototype for recompute_reg_usage.
16943         * function.c (use_return_register): Make it static.
16944         * function.h: Remove the prototype.
16946 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
16948         * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16949         Remove.
16950         * recog.h: Remove the prototype for
16951         validate_change_maybe_volatile.
16953 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
16955         * rtlanal.c (replace_reg): Remove.
16956         * rtl.h: Remove the prototype for replace_reg.
16958 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
16960         * regclass.c (reg_scan_update): Remove.
16961         (reg_scan_mark_refs): Remove the last argument.
16962         * rtl.h: Remove the prototype for reg_scan_update.
16964 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
16966         * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16967         combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16968         config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16969         config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16970         df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16971         loop-invariant.c, omp-low.c, opts.c, passes.c,
16972         rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16973         tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16974         tree-ssa-structalias.c, tree-ssa-threadedge.c,
16975         tree-ssa-threadupdate.c, tree-vect-patterns.c,
16976         tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16977         unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
16979 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
16981         * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16982         * dwarf2out.h: Remove the prototype for
16983         dwarf2out_add_library_unit_info.
16985 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
16987         * tree.c (add_var_to_bind_expr): Remove.
16988         * tree.h: Remove the prototype for add_var_to_bind_expr.
16990 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
16992         * regclass.c (n_non_fixed_regs): Remove.
16993         (init_reg_sets_1, globalize_reg): Remove all uses of
16994         n_non_fixed_regs.
16995         * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16997 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
16999         * rtlanal.c (insns_safe_to_move_p): Remove.
17000         * rtl.h: Remove the prototype for insns_safe_to_move_p.
17002 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
17004         * expmed.c (expand_mult_add): Remove.
17005         * expr.h: Remove the prototype for expand_mult_add.
17007 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
17009         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17010         and REG_SAVED_VAL_EXP constants.
17011         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17012         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17013         Handle regs stored by value.
17014         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17015         (execute_cfa_program): Handle DW_CFA_val_offset,
17016         DW_CFA_val_offset_sf and DW_CFA_val_expression.
17017         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17018         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17019         (uw_install_context_1): Handle target regs stored by value.
17021 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
17023         * tree-sra.c (tree_sra): Return todoflags;
17024         (generate_one_element): Set TODO_update_smt_usage if needed.
17025         (pass_sra): Remove TODO_update_smt_usage.
17026         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17027         parameter.
17028         (tree_ssa_forward_propagate_single_use_vars): Return
17029         TODO_update_smt_usage if we need to update SMT usage.
17030         (pass_forwprop): Remove TODO_update_smt_usage.
17032 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
17034         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
17035         (correct_use_link): Remove reference to get_stmt_operands.
17036         (update_stmt_operands): Likewise.
17037         (get_modify_expr_operands): New function factored out of
17038         parse_ssa_operands and get_expr_operands.
17039         Try to create V_MUST_DEFs for LHS by default.
17040         (get_expr_operands) <case MODIFY_EXPR>: Call
17041         get_modify_expr_operands.
17042         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17043         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17044         (parse_ssa_operands) <case MODIFY_EXPR>: Call
17045         get_modify_expr_operands.
17047 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
17049         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17050         * tree-flow.h: Remove the prototype for
17051         referenced_var_lookup_if_exists.
17053 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
17055         PR rtl-optimization/26345
17056         PR target/19061
17057         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17059 2006-03-03  Roger Sayle  <roger@eyesopen.com>
17061         PR tree-optimization/26524
17062         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17063         fold_convert to create a constant of the appropriate type.
17065 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
17067         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17068         SYMBOL_REF_IN_BLOCK_P.
17069         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17070         of SYMBOL_FLAG_IN_BLOCK.
17071         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17072         instead of SYMBOL_REF_IN_BLOCK_P.
17073         * explow.c (use_anchored_address): Likewise.
17074         * rtl.c (rtx_size): Likewise.
17075         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17076         instead of SYMBOL_FLAG_IN_BLOCK.
17077         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17078         SYMBOL_REF_IN_BLOCK_P.
17079         (assemble_variable): Likewise.
17080         (output_constant_def_contents): Likewise.
17081         (output_constant_pool): Likewise.
17082         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17083         instead of SYMBOL_FLAG_IN_BLOCK.
17084         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17085         SYMBOL_REF_IN_BLOCK_P.
17086         (SYMBOL_REF_BLOCK): Likewise.
17087         (SYMBOL_REF_OFFSET): Likewise.
17088         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17089         SYMBOL_REF_IN_BLOCK_P.
17090         (SYMBOL_FLAG_IN_BLOCK): Replace with...
17091         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17092         (SYMBOL_REF_IN_BLOCK_P): Replace with...
17093         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17095 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
17097         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17099 2006-03-02  Roger Sayle  <roger@eyesopen.com>
17101         * simplify-rtx.c (simplify_unary_operation): When simplifying
17102         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17103         that we perform the right shift in the appropriate mode, and
17104         then extend or truncate the result to requested mode.
17106 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
17108         * gengtype.c (main): Handle double_int type.
17109         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17110         * double-int.c: New file.
17111         * double-int.h: New file.
17112         * system.h: Include doubleint.h.
17113         * Makefile.in (SYSTEM_H): Include double-int.h.
17114         (double-int.o): Add.
17116 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
17118         PR bootstrap/26478
17119         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17120         copying over it.
17122 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17124         * tree-vrp.c (remove_range_assertions): Do not update statements
17125         unnecessarily.
17127 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17129         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17130         cleanup.
17131         * gcse.c (rest_of_handle_gcse): Ditto.
17132         * except.c (gate_handle_eh): Ditto.
17133         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17134         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17136 2006-03-02  Eric Christopher  <echristo@apple.com>
17138         * config/i386/i386.c (machopic_output_stub): Add indirection to
17139         jump.
17141 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
17143         * loop.c: Removed.
17145 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
17147         Sun Niagara specific optimizations.
17148         * config.gcc: Recognize niagara as target.
17149         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17150         (TARGET_CPU_niagara): Define.
17151         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17152         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17153         (CPP_CPU_SPEC): Handle -mcpu=niagara.
17154         (ASM_CPU_SPEC): Likewise.
17155         (PROCESSOR_NIAGARA): New enum entry.
17156         (REGISTER_MOVE_COST): Handle Niagara.
17157         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17158         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17159         (sparc_override_options): Recognize "niagara", set appropriate
17160         default MASK_* values for it, and align functions to 32-bytes
17161         by default just like ULTRASPARC/ULTRASPARC3.
17162         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17163         (sparc64_initialize_trampoline): Likewise.
17164         (sparc_use_sched_lookahead): Use zero for niagara.
17165         (sparc_issue_rate): Use one for niagara.
17166         * config/sparc/niagara.md: New file.
17167         * config/sparc/sparc.md: Include it.
17168         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17169         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17170         when default cpu is niagara.
17171         (CPP_CPU_SPEC): Handle -mcpu=niagara.
17172         (ASM_CPU_SPEC): Likewise.
17173         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17174         when default cpu is niagara.
17175         (ASM_CPU_SPEC): Handle -mcpu=niagara.
17176         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17177         just like v9/ultrasparc/ultrasparc3.
17178         * doc/invoke.texi: Add documentation for "niagara" and improve
17179         existing documentation for ultrasparc variants.
17181 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
17183         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17185 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
17187         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17188         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17189         and say that only one is needed.
17190         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17191         * target.h (have_switchable_bss_sections): New hook.
17192         * explow.c (use_anchored_address): Check that the symbol is in a block.
17193         * varasm.c (tls_comm_section, comm_section, lcomm_section)
17194         (bss_noswitch_section): New variables.
17195         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17196         (get_noswitch_section): New function.
17197         (get_block_for_section): Allow SECT to be null.
17198         (unlikely_text_section_p): Use SECTION_STYLE.
17199         (bss_initializer_p): New function.
17200         (get_variable_section): Move earlier in file.  Take a new argument,
17201         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
17202         Return one of the new *_sections in such cases.
17203         (get_block_for_decl): New function, extracting some logic from
17204         use_blocks_for_decl_p.
17205         (change_symbol_section): Remove in favor of...
17206         (change_symbol_block): ...this new function.
17207         (use_blocks_for_decl_p): Remove checks now performed by
17208         get_block_for_decl.
17209         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17210         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17211         (emit_local, emit_bss, emit_common): ...these new functions.
17212         Return true if the alignment was honored.
17213         (emit_tls_common): New function.
17214         (asm_emit_uninitialised): Delete.
17215         (assemble_variable_noswitch): New function, split out from...
17216         (assemble_variable): ...here.  Don't make decisions about common
17217         variables here.  Globalize all public decls that go into non-common
17218         sections.  Check whether SYMBOL_REF_BLOCK is null.
17219         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17220         (output_constant_pool): Likewise.
17221         (init_varasm_once): Initialize the new section variables.
17222         (have_global_bss_p): New function.
17223         (categorize_decl_for_section): Use bss_initializer_p.
17224         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
17225         (place_block_symbol): Assert that the symbol must be in a block.
17226         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17227         (TARGET_INITIALIZER): Include it.
17228         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17229         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17230         (SECTION_MACH_DEP): Bump by two.
17231         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17232         (unnamed_section): Mention SECTION_UNNAMED in comment.
17233         (named_section): Likewise SECTION_NAMED.
17234         (noswitch_section_callback): New type.
17235         (noswitch_section): New structure.
17236         (section): Add a noswitch_section alternative.
17237         (SECTION_STYLE): New macro.
17238         (tls_comm_section, comm_section, lcomm_section): Declare.
17239         (bss_noswitch_section, have_global_bss_p): Declare.
17240         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17241         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17242         Override.
17243         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17244         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17245         Override.
17247 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
17249         * tree-vrp.c (execute_vrp): Return value.
17250         * regrename.c (rest_of_handle_regrename): Ditto.
17251         * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17252         * tree-complex.c (tree_lower_complex): Ditto.
17253         (tree_lower_complex_O0): Ditto.
17254         * tracer.c (rest_of_handle_tracer): Ditto.
17255         * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17256         * postreload.c (rest_of_handle_postreload): Ditto.
17257         * tree-tailcall.c (execute_tail_recursion): Ditto.
17258         (execute_tail_calls): Ditto.
17259         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17260         * tree.h (init_function_for_compilation): Ditto.
17261         * ipa-cp.c (ipcp_driver): Ditto.
17262         * tree-scalar-evolution.c (scev_const_prop): Ditto.
17263         * tree-scalar-evolution.h (scev_const_prop): Ditto.
17264         * final.c (compute_alignments): Ditto.
17265         (rest_of_handle_final): Ditto.
17266         (rest_of_handle_shorten_branches): Ditto.
17267         (rest_of_clean_state): Ditto.
17268         * omp-low.c (execute_expand_omp): Ditto.
17269         (execute_lower_omp): Ditto.
17270         * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17271         * ipa-reference.c (static_execute): Ditto.
17272         * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17273         * reorg.c (rest_of_handle_delay_slots): Ditto.
17274         (rest_of_handle_machine_reorg): Ditto.
17275         * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17276         * flow.c (recompute_reg_usage): Ditto.
17277         (rest_of_handle_remove_death_notes): Ditto.
17278         (rest_of_handle_life): Ditto.
17279         (rest_of_handle_flow2): Ditto.
17280         * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17281         * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17282         (do_ssa_store_ccp): Ditto.
17283         (execute_fold_all_builtins): Ditto.
17284         * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17285         * modulo-sched.c (rest_of_handle_sms): Ditto.
17286         * ipa-pure-const.c (static_execute): Ditto.
17287         * cse.c (rest_of_handle_cse): Ditto.
17288         (rest_of_handle_cse2): Ditto.
17289         * web.c (rest_of_handle_web): Ditto.
17290         * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17291         * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17292         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17293         * tree-nrv.c (tree_nrv): Ditto.
17294         (execute_return_slot_opt): Ditto.
17295         * tree-ssa-alias.c (compute_may_aliases): Ditto.
17296         (create_structure_vars): Ditto.
17297         * loop-init.c (rtl_loop_init): Ditto.
17298         (rtl_loop_done): Ditto.
17299         (rtl_move_loop_invariants): Ditto.
17300         (rtl_unswitch): Ditto.
17301         (rtl_unroll_and_peel_loops): Ditto.
17302         (rtl_doloop): Ditto.
17303         * gimple-low.c (lower_function_body): Ditto.
17304         (mark_used_blocks): Ditto.
17305         * tree-ssa-sink.c (execute_sink_code): Ditto.
17306         * ipa-inline.c (cgraph_decide_inlining): Ditto.
17307         (cgraph_early_inlining): Ditto.
17308         * global.c (rest_of_handle_global_alloc): Ditto.
17309         * jump.c (cleanup_barriers): Ditto.
17310         (purge_line_number_notes): Ditto.
17311         * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17312         (rest_of_handle_if_after_reload): Ditto.
17313         * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17314         (tree_ssa_loop_im): Ditto.
17315         (tree_ssa_loop_unswitch): Ditto.
17316         (tree_vectorize): Ditto.
17317         (tree_linear_transform): Ditto.
17318         (tree_ssa_loop_ivcanon): Ditto.
17319         (tree_ssa_empty_loop): Ditto.
17320         (tree_ssa_loop_bounds): Ditto.
17321         (tree_complete_unroll): Ditto.
17322         (tree_ssa_loop_prefetch): Ditto.
17323         (tree_ssa_loop_ivopts): Ditto.
17324         (tree_ssa_loop_done): Ditto.
17325         * predict.c (tree_estimate_probability): Ditto.
17326         * recog.c (split_all_insns_noflow): Ditto.
17327         (rest_of_handle_peephole2): Ditto.
17328         (rest_of_handle_split_all_insns): Ditto.
17329         * tree-eh.c (lower_eh_constructs): Ditto.
17330         * regmove.c (rest_of_handle_regmove): Ditto.
17331         (rest_of_handle_stack_adjustments): Ditto.
17332         * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17333         * function.c (instantiate_virtual_regs): Ditto.
17334         (init_function_for_compilation): Ditto.
17335         (rest_of_handle_check_leaf_regs): Ditto.
17336         * gcse.c (rest_of_handle_jump_bypass): Ditto.
17337         (rest_of_handle_gcse): Ditto.
17338         * ipa-type-escape.c (type_escape_execute): Ditto.
17339         * alias.c (rest_of_handle_cfg): Ditto.
17340         * tree-if-conv.c (main_tree_if_conversion): Ditto.
17341         * profile.c (rest_of_handle_branch_prob): Ditto.
17342         * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17343         * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17344         * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17345         * tree-dfa.c (find_referenced_vars): Ditto.
17346         * except.c (set_nothrow_function_flags): Ditto.
17347         (convert_to_eh_region_ranges): Ditto.
17348         (rest_of_handle_eh): Ditto.
17349         * emit-rtl.c (unshare_all_rtl): Ditto.
17350         (remove_unnecessary_notes): Ditto.
17351         * except.h (set_nothrow_function_flags): Ditto.
17352         (convert_to_eh_region_ranges): Ditto.
17353         * cfgexpand.c (tree_expand_cfg): Ditto.
17354         * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17355         * tree-ssa-pre.c (do_pre): Ditto.
17356         (execute_fre): Ditto.
17357         * cfgcleanup.c (rest_of_handle_jump): Ditto.
17358         (rest_of_handle_jump2): Ditto.
17359         * tree-sra.c (tree_sra): Ditto.
17360         * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17361         (execute_mudflap_function_decls): Ditto.
17362         * tree-ssa-copy.c (do_copy_prop): Ditto.
17363         (do_store_copy_prop): Ditto.
17364         * ipa-prop.h (ipcp_driver): Ditto.
17365         * cfglayout.c (insn_locators_initialize): Ditto.
17366         * tree-ssa-forwprop.c
17367         (tree_ssa_forward_propagate_single_use_vars): Ditto.
17368         * cfglayout.h (insn_locators_initialize): Ditto.
17369         * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17370         * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17371         (execute_late_warn_uninitialized): Ditto.
17372         * rtl.h (cleanup_barriers): Ditto.
17373         (split_all_insns_noflow): Ditto.
17374         (purge_line_number_notes): Ditto.
17375         (unshare_all_rtl): Ditto.
17376         (remove_unnecessary_notes): Ditto.
17377         (recompute_reg_usage): Ditto.
17378         (variable_tracking_main): Ditto.
17379         * integrate.c (emit_initial_value_sets): Ditto.
17380         * integrate.h (emit_initial_value_sets): Ditto.
17381         * tree-optimize.c (execute_free_datastructures): Ditto
17382         (execute_free_cfg_annotations): Ditto.
17383         (execute_fixup_cfg): Ditto.
17384         (execute_cleanup_cfg_pre_ipa): Ditto.
17385         (execute_cleanup_cfg_post_optimizing): Ditto.
17386         (execute_init_datastructures): Ditto.
17387         * tree-object-size.c (compute_object_sizes): Ditto.
17388         * combine.c (rest_of_handle_combine): Ditto.
17389         * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17390         * bb-reorder.c (duplicate_computed_gotos): Ditto.
17391         (rest_of_handle_reorder_blocks): Ditto.
17392         (rest_of_handle_partition_blocks): Ditto.
17393         * var-tracking.c (variable_tracking_main): Ditto.
17394         * tree-profile.c (tree_profiling): Ditto.
17395         * tree-vect-generic.c (expand_vector_operations): Ditto.
17396         * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17397         * sched-rgn.c (rest_of_handle_sched): Ditto.
17398         (rest_of_handle_sched2): Ditto.
17399         * basic-block.h (free_bb_insn): Ditto.
17400         * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17401         * tree-cfg.c (execute_build_cfg): Ditto.
17402         (remove_useless_stmts): Ditto.
17403         (split_critical_edges): Ditto.
17404         (execute_warn_function_return): Ditto.
17405         (execute_warn_function_noreturn): Ditto.
17406         * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17407         * cfgrtl.c (free_bb_for_insn): Ditto.
17408         * passes.c (execute_one_pass): Run additional
17409         todos returned by execute function.
17410         * tree-pass.h (struct tree_opt_pass): Make execute
17411         return a value.
17413 2006-03-02  Richard Guenther  <rguenther@suse.de>
17415         * tree-ssa-alias.c (find_used_portions): Consider taking
17416         the address as making the variable not write-only.
17418 2006-03-02  Nick Clifton  <nickc@redhat.com>
17420         * config.gcc (default_use_cxa_atexit): Extend the description of
17421         this configure variable.  Set its default value to "yes" for
17422         Linux, NetBSD and ELF targets on the assumption that they will
17423         use C libraries with the __cxa_atexit function.
17425 2006-03-02  Ben Elliston  <bje@au.ibm.com>
17427         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17428         parameter as unused to suppress a build warning.
17430 2006-03-02  Ben Elliston  <bje@au.ibm.com>
17432         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17433         config/dfp-bit.c.
17435 2006-03-01  Roger Sayle  <roger@eyesopen.com>
17437         PR other/26489
17438         * gthr-posix.h (__gthrw2): Define to take three parameters, the
17439         declared name, the weak reference name, and the typeof name.
17440         (__gthrw): Avoid expanding the declared name suffix.
17441         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17443 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
17445         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17446         from DWARF 3.
17447         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17448         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17449         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17450         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17451         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17452         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17453         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17454         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17455         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17456         DW_DS_leading_separate, DW_DS_trailing_separate): New.
17457         (DW_END_default, DW_END_big, DW_END_little): New.
17458         (DW_END_lo_user, DW_END_hi_user): Define.
17459         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17460         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17461         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17462         DW_LANG_D): New.
17464 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17466         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17467         Update all users.
17468         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17469         Update all users.
17470         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17471         Update all users.
17472         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17473         Update all users.
17474         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17475         to 'symbol_mem_tag'.
17476         Update all users.
17477         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17478         rename.
17480 2006-03-01  Roger Sayle  <roger@eyesopen.com>
17482         * builtins.c (fold_builtin_copysign): Delete unreachable code.
17484 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17486         PR target/25761
17487         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17488         MACHO_DYNAMIC_NO_PIC_P.
17489         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17491 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17493         PR target/26389
17494         * config/darwin-protos.h (darwin_asm_output_anchor):
17495         Declare.
17496         * config/darwin-sections.def (cstring_section):
17497         Add SECTION_MERGE to the flags.
17498         (literal4_section): Likewise.
17499         (literal8_section): Likewise.
17500         (objc_selector_refs_section): Likewise.
17501         (objc_cls_refs_section): Likewise.
17502         * config/darwin.c (darwin_asm_output_anchor): New
17503         function.
17504         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17506 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
17508         Fix PR tree-optimization/26443
17509         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17510         to todo and PROP_tmt_usage to properties_destroyed.
17511         * tree-ssa-ccp.c (pass_ccp): Ditto.
17512         (pass_store_ccp): Ditto.
17513         * tree-ssa-dom.c (pass_dominator): Ditto.
17515 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17517         * tree-ssa-operands.c: Cleanup whitespace.
17518         (get_asm_expr_operands): Move before first invocation.
17519         (get_indirect_ref_operands): Likewise.
17520         (get_tmr_operands): Likewise.
17521         (get_call_expr_operands): Likewise.
17522         (append_def): Likewise.
17523         (append_use): Likewise.
17524         (append_v_may_def): Likewise.
17525         (append_v_must_def): Likewise.
17526         (add_call_clobber_ops): Likewise.
17527         (add_call_read_ops): Likewise.
17528         (add_stmt_operand): Likewise.
17529         (add_virtual_operand): Likewise.
17530         (build_ssa_operands): Likewise.
17532 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
17534         PR middle-end/26022
17535         Revert:
17536         PR middle-end/24437
17537         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17538         with a call expr to ...
17539         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17541 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17543         * tree-vrp.c (extract_range_from_assert): Remove special
17544         handling for types with super-types.
17546 2006-03-01  Ben Elliston  <bje@au.ibm.com>
17548         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17549         and powerpc64-*-linux* configurations.
17550         * config/t-dfprules: New file.
17552         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17553         Compile dfp-bit.c from the source directory using -DWIDTH and
17554         $DFP_CFLAGS to control the compilation of that file, rather than
17555         generating width-specific versions in the build directory.
17556         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17557         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17559 2006-02-28  Zack Weinberg  <zackw@panix.com>
17561         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17562         continues to work.
17564 2006-02-28  Eric Christopher  <echristo@apple.com>
17566         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17567         Set up IN_LIBGCC definition of TARGET_64BIT.
17568         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17570 2006-02-28  Roger Sayle  <roger@eyesopen.com>
17572         PR middle-end/14752
17573         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17574         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
17575         cases via the construction of "expr != 0".
17577 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17579         * alias.c (alias_invariant, alias_invariant_size): Remove.
17580         (record_base_value): Remove.
17581         (memrefs_conflict_p): Don't look at alias_invariant.
17582         (end_alias_analysis): Don't free it.
17583         * alias.h (record_base_value): Remove prototype.
17585 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
17586             Adam Nemet  <anemet@caviumnetworks.com>
17588         * rtl.h (truncated_to_mode): Declare it.
17589         (struct rtl_hooks): Add reg_truncated_to_mode hook.
17590         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17591         (RTL_HOOKS_INITIALIZER): Include it.
17592         * rtlhooks.c (reg_truncated_to_mode_general): New function.
17593         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17594         reg_truncated_to_mode.
17595         * rtlanal.c (truncated_to_mode): Define it.
17596         * simplify-rtx.c (simplify_unary_operation_1): Use it.
17598 2006-02-28  Jeff Law  <law@redhat.com>
17600         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17601         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17602         the range allowed by TYPE_PRECISION.
17604         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17606 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
17608         PR tree-optimization/26419
17609         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17610         values of n.
17612 2006-02-27  Zack Weinberg  <zackw@panix.com>
17614         * doc/md.texi: Fix typo in previous change.
17616 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
17618         * df.c: Remove.
17620 2006-02-27  Zack Weinberg  <zackw@panix.com>
17622         * rtl.def (define_constraint, define_register_constraint)
17623         (define_memory_constraint, define_address_constraint): New MD forms.
17624         * gensupport.c (process_rtx): Put define_constraint etc on the
17625         predicate queue.
17626         * genpreds.c (process_define_predicate): Adjust comment.  Validate
17627         the name, and call validate_exp to validate the expression.
17628         (mark_mode_tests, write_extract_subexp): Can assume correct input.
17629         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
17630         all callers changed.
17631         (validate_exp, needs_variable, struct constraint_data)
17632         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17633         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17634         (const_dbl_constraints, constraint_max_namelen)
17635         (have_register_constraints, have_memory_constraints)
17636         (have_address_constraints, have_address_constraints)
17637         (have_extra_constraints, have_const_int_constraints)
17638         (have_const_dbl_constraints, mangle, add_constraint)
17639         (process_define_constraint, process_define_register_constraint)
17640         (write_enum_constraint_num, write_lookup_constraint)
17641         (write_insn_constraint_len, write_regclass_for_constraint)
17642         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17643         (write_insn_extra_memory_constraint)
17644         (write_insn_extra_address_constraint)
17645         (write_satisfies_constraint_fns): New.
17646         (write_tm_preds_h): If we have new-style constraint definitions,
17647         prototype the functions generated from them, and define the
17648         old constraint interface (still used by generic code) in terms of
17649         those functions.
17650         (write_insn_preds_c): If we have new-style constraint definitions,
17651         generate all relevant functions from those definitions.
17652         (main): Handle define_constraint etc.
17653         * genoutput.c (struct constraint_data, indep_constraints)
17654         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17655         (mdep_constraint_len): New data structures and functions, defined
17656         #ifdef USE_MD_CONSTRAINTS.
17657         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17658         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17659         use new logic to validate operand constraints against constraint
17660         definitions.
17661         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17662         defined.
17663         * defaults.h: If none of the old-style constraint macros are
17664         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17665         old-style macros; and poison REG_CLASS_FROM_LETTER,
17666         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17667         EXTRA_CONSTRAINT.
17668         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17669         * doc/md.texi: Document new constraint-definition mechanism and the
17670         C interface it provides.  Remove references to old mechanism
17671         elsewhere in the document.
17672         (Machine Constraints): Use pathnames relative to gcc directory,
17673         i.e. config/ARCH/FILE.  Change i386 section to refer to
17674         config/i386/predicates.md; update that section to match docstrings.
17675         * doc/tm.texi: Move all documentation of the old constraint-
17676         definition macros to their own section, clearly mark as obsolete.
17678         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17679         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17680         definitions.
17681         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17682         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17683         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17684         constraint strings.
17685         (splits and peepholes): Use satisfies_constraint_*.
17686         * config/i386/i386.c (memory_address_length)
17687         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17689 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
17691         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17692         scalar operation to be put back into the loop.
17694 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
17696         PR other/26208
17697         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17698         (extract_cie_info): Handle S flag in augmentation string.
17699         (execute_cfa_program): If context->signal_frame, execute also
17700         fs->pc == context->ra instructions.
17701         (uw_frame_state_for): If context->signal_frame, don't subtract one
17702         from context->ra to find FDE.
17703         (uw_update_context_1): Set context->signal_frame to
17704         fs->signal_frame.
17705         (_Unwind_GetIPInfo): New function.
17706         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17707         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17708         of _Unwind_GetIP.
17709         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17710         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17711         * unwind-compat.c (_Unwind_GetIPInfo): New function.
17712         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17713         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17714         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17715         * config/i386/linux-unwind.h (x86_fallback_frame_state,
17716         x86_64_fallback_frame_state): Set fs->signal_frame.
17717         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17718         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17719         (frob_update_context): Likewise.  Workaround missing S flag in
17720         Linux 2.6.12 - 2.6.16 kernel vDSOs.
17721         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17722         Remove the psw_addr + 1 hack.
17724 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
17726         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17727         with aggregates here.
17728         (find_func_aliases): Remove code for &<aggregate> from here.
17730 2006-02-26  Roger Sayle  <roger@eyesopen.com>
17732         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17733         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17734         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17735         as (X & C) ne/eq 0.
17737 2006-02-26  Roger Sayle  <roger@eyesopen.com>
17739         PR middle-end/19983
17740         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17742 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
17744         * opts.c (decode_options): Do not handle flag_strength_reduce.
17745         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17746         and OPT_fstrength_reduce.
17747         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17748         flag_prefetch_loop_arrays for being nonzero.
17749         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17750         no-ops.
17751         (fprefetch-loop-arrays-rtl): Removed.
17752         (flag_prefetch_loop_arrays): Do not specify the value.
17754         * doc/passes.texi: Update documentation of loop optimizer
17755         passes.
17756         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17757         -frerun-loop-opt): Remove.
17759 2006-02-26  Richard Guenther  <rguenther@suse.de>
17761         PR tree-optimization/26421
17762         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17763         in function calls that are ADDR_EXPRs as using the whole structure.
17765 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
17767         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17768         * tree-pass.h (pass_loop_optimize): Remove.
17769         * passes.c (pass_loop_optimize): Never run it.
17770         * toplev.c (backend_init): Don't call init_loop.
17771         * opts.c (flag_loop_optimize_set): Remove.
17772         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17773         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
17774         the old RTL loop optimizer when profiling enabled.
17775         * predict.c (tree_estimate_probability): Always strip builtin_expect.
17776         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17777         pre-headers for the sake of the old RTL loop optimizer.
17778         * Makefile.in: Remove all references to loop.o.
17780         * doc/invoke.texi: Remove all references to -floop-optimize
17781         and -frerun-loop-opt.
17783 2006-02-26  Zack Weinberg  <zackw@panix.com>
17785         * doc/md.texi (Machine Constraints): Refer to all files with paths
17786         relative to gcc directory (i.e. config/CPU/file).  Add missing
17787         @table @code ... @end table to M32C subsection.
17789 2006-02-26  Roger Sayle  <roger@eyesopen.com>
17791         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17792         (X & 1) == 0.
17793         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17795 2006-02-26  Roger Sayle  <roger@eyesopen.com>
17796             James A. Morrison  <phython@gcc.gnu.org>
17798         PR middle-end/21137
17799         * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17800         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17801         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17802         signedness of the shift operation.
17804 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
17806         PR tree-optimization/26359
17807         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17809 2006-02-25  Roger Sayle  <roger@eyesopen.com>
17811         * simplify-rtx.c (simplify_relational_operation_1): Simplify
17812         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
17813         as X == 0, and some symmetry related transformations.
17814         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
17816 2006-02-25  Roger Sayle  <roger@eyesopen.com>
17818         PR middle-end/23673
17819         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17820         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
17821         symmetry related transformations.  Fold (X^C1) == C2 as
17822         X == (C1^C2).
17824 2006-02-25  Juergen Weigert  <jw@suse.de>
17825         Richard Guenther  <rguenther@suse.de>
17827         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17829 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
17831         * combine.c (gen_lowpart_or_truncate): Call
17832         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17834 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
17836         * doc/invoke.texi: Move -fopenmp description to "Options for
17837         Code Generation".
17838         Remove reference to -lgomp.
17840 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
17842         * doc/install.texi: Require GNU tar version 1.14.
17844 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
17846         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17847         * doc/invoke.texi (C++ Dialect Options): Document
17848         -fno-use-cxa-get-exception-ptr.
17849         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17850         * configure: Regenerate.
17851         * c.opt (fuse-cxa-get-exception-ptr): New.
17852         * c-opts.c (c_common_handle_option): Handle
17853         OPT_fuse_cxa_get_exception_ptr.
17854         * c-common.c (flag_use_cxa_atexit): Update documentation.
17855         (flag_use_cxa_get_exception_ptr): New.
17856         * c-common.h (flag_use_cxa_get_exception_ptr): New.
17857         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17858         documentation.
17859         (C_COMMON_OVERRIDE_OPTIONS): New.
17861 2006-02-24  Roger Sayle  <roger@eyesopen.com>
17863         PR middle-end/24952
17864         * combine.c (try_combine): Explicitly check whether GET_CODE is
17865         a SET or a CLOBBER, instead on checking that it isn't a USE.
17867 2006-02-24  Roger Sayle  <roger@eyesopen.com>
17869         * fold-const.c (fold_comparison): New subroutine of fold_binary
17870         containing transformations common to both the equality and
17871         ordering relational operators, factored out of fold_binary.
17872         (fold_binary): Separate out the equality operators (EQ_EXPR
17873         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17874         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17875         transformations common to both.
17876         (fold_div_compare): Fix latent bugs in the previously unreachable
17877         LT_EXPR and GE_EXPR cases.
17879 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
17881         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17882         decl libname for clog to __clog on AIX.
17884         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17886 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
17888         PR target/26453
17889         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17890         output traceback table for thunks.  Localise rs6000_stack_info call.
17892 2006-02-23  Roger Sayle  <roger@eyesopen.com>
17893             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
17895         * gthr-posix.h (__gthrw): Fix typo in comment.
17897 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
17899         * doc/cpp.texi (Character sets): Document that we do support
17900         input files to be in any character set.
17902 2006-02-23  Jeff Law  <law@redhat.com>
17904         * tree.h (PHI_ARG_NONZERO): Remove.
17905         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17906         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17907         node to the new node.
17909         PR tree-optimization/26425
17910         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17911         min/max, then assume its varying.
17913 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
17915         PR rtl-optimization/26316
17916         * rtlanal.c (enum may_trap_p_flags): New.
17917         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
17918         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17919         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17920         (may_trap_after_code_motion_p): New function.
17921         * loop-invariant.c (find_identical_invariants): Fix dump formating.
17922         (find_invariant_insn): Use may_trap_after_code_motion_p.
17923         * rtl.h (may_trap_after_code_motion_p): Declare.
17925 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
17927         * emit-rtl.c (immed_double_const): Cleanup.
17929 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
17931         Fix PR tree-optimization/26376
17932         * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17933         remove assert.
17935 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
17937         PR middle-end/26412
17938         * gimplify.c (omp_add_variable): Guard variable size decl test with
17939         DECL_SIZE (decl) check.
17941 2006-02-23  Richard Guenther  <rguenther@suse.de>
17943         PR middle-end/26439
17944         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17945         like aggregate types.
17947 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
17949         * configure.ac: Add --with{,out}-long-double-128 configure option.
17950         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17951         * configure: Rebuilt.
17952         * config.in: Rebuilt.
17953         * doc/install.texi (Options specification): Document
17954         --with-long-double-128.
17956         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17957         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17958         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17959         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17961 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
17963         * config/s390/s390.c (override_options): Handle
17964         TARGET_DEFAULT_LONG_DOUBLE_128.
17966         * config/alpha/alpha.c (override_options): Handle
17967         TARGET_DEFAULT_LONG_DOUBLE_128.
17969         * config/sparc/sparc.c (sparc_override_options): Handle
17970         TARGET_DEFAULT_LONG_DOUBLE_128.
17972 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
17974         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17975         (real-install-headers-tar, real-install-headers-cpio)
17976         (real-install-headers-cp): New targets.
17978 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
17980         * tree.h (variable_section): Delete.
17981         * varasm.c (variable_section): Delete.
17983 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
17985         * install.texi: Add notes on install.texi2html.
17986         (Building in parallel): Do not use footnotes.
17988 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
17990         PR libgomp/26234
17991         * doc/install.texi (Configuration): Document --disable-libgomp.
17993 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
17995         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17997 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
17999         * config/i386/sse.md (vec_extractv2df_1_sse): New.
18000         (vec_extractv2df_0_sse): New.
18002 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
18004         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18005         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18006         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18007         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
18008         to the result of the expression.
18009         (def_cfa_1): Adjust.
18010         (frame_pointer_cfa_offset): Rename to...
18011         (frame_pointer_fb_offset): ... this.  Adjust all uses.
18012         (convert_cfa_to_loc_list): Rename to...
18013         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
18014         Pass it on to build_cfa_loc.
18015         (compute_frame_pointer_to_cfa_displacement): Rename to...
18016         (compute_frame_pointer_to_fb_displacement): ... this.  New
18017         offset parameter.  Use it in computation.
18018         (gen_subprogram_die): Compute cfa_fb_offset with the new
18019         macro, and use it to compute the fb loc list and the
18020         displacement.
18022 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
18024         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
18025         replaced with register_operand.
18026         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18027         non-DREG is expensive.
18028         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18029         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18030         involving memory.
18032 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
18034         * doc/install.texi2html: Use set -e.
18036 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
18038         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18039         (ASM_OUTPUT_SHARED_LOCAL): Delete.
18040         * doc/invoke.texi (-fshared-data): Delete.
18041         * common.opt (fshared-data): Delete.
18042         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18043         (assemble_static_space): Remove #if 0 code.
18044         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18045         (ASM_OUTPUT_SHARED_LOCAL): Poison.
18046         * config/cris/cris.h: Remove FIXME.
18048 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
18050         * doc/sourcebuild.texi (Front End Directory): No more double-colon
18051         hooks.
18053 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
18055         PR middle-end/26379
18056         * combine.c (simplify_shift_const_1): Disable nested shifts
18057         optimization for vector shifts.
18059 2006-02-20  Roger Sayle  <roger@eyesopen.com>
18061         PR tree-optimization/26361
18062         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18063         of unsigned integer types.
18065 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
18067         * tree-chrec.c (eq_evolutions_p): New.
18068         * tree-chrec.h (eq_evolutions_p): Declared.
18069         * tree-data-ref.c: Fix formatting.
18070         (datadep_stats, dependence_stats): New.
18071         (gcd): Moved...
18072         (print_direction_vector): New.
18073         (dump_data_dependence_relation): Use print_direction_vector.
18074         (object_analysis, create_data_ref): Handle COMPONENT_REF.
18075         (compute_subscript_distance): Static.
18076         (initialize_data_dependence_relation): Static.  Get the number
18077         of loops surrounding the references from the callers, and initialize
18078         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
18079         base_object_differ_p analyzers.
18080         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18081         compute_overlap_steps_for_affine_1_2,
18082         analyze_subscript_affine_affine): Count the classified dependences.
18083         Print a message when a test failed.
18084         (can_use_analyze_subscript_affine_affine): New.
18085         (analyze_siv_subscript): Compute the data dependences on symbolic
18086         scevs that verify can_use_analyze_subscript_affine_affine.
18087         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18088         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18089         Handle symbolic scevs.
18090         (analyze_overlapping_iterations): Let symbolic affine scevs to be
18091         analyzed.
18092         (subscript_dependence_tester): Moved...
18093         (build_classic_dist_vector, build_classic_dir_vector): Don't use
18094         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
18095         DDR_SIZE_VECT instead of getting it in parameter.
18096         (subscript_dependence_tester): ... here.  Take as a parameter
18097         loop_nest_depth.  Call build_classic_dist_vector and
18098         build_classic_dir_vector.
18099         (compute_affine_dependence): Update subscript_dependence_tester
18100         parameters.  Update datadep_stats counters.  Call
18101         compute_subscript_distance.
18102         (compute_self_dependence): Save the dist and dir vectors.  Call
18103         compute_subscript_distance.
18104         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18105         (compute_all_dependences): Reorder parameters as they were before
18106         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
18107         compute_subscript_distance.  Update the use of
18108         compute_affine_dependence and initialize_data_dependence_relation.
18109         (find_data_references_in_loop): Handle COMPONENT_REF.
18110         (compute_data_dependences_for_loop): Initialize dependence_stats.
18111         Don't call build_classic_dist_vector and build_classic_dir_vector.
18112         Update the parameters of initialize_data_dependence_relation and
18113         compute_all_dependences.  Print the statistics from datadep_stats.
18114         (analyze_all_data_dependences): Static.  Not used until the pass for
18115         checking the data dependences is contributed.
18116         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18117         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18118         (initialize_data_dependence_relation, compute_affine_dependence,
18119         analyze_all_data_dependences, compute_subscript_distance): Removed.
18120         (print_direction_vector): New.
18121         * lambda.h (gcd): ... here.
18122         (lambda_vector_gcd): Moved here from gcd_vector.
18123         * lambda-code.c (gcd, gcd_vector): Removed.
18124         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
18125         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18127 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
18129         * ipa-type-escape.c: Tidy some comments and white space.
18130         * tree-ssa-operands.c: Likewise.
18132 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
18134         PR tree-opt/25879
18135         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18136         (dump_decl_name): Do not walk the decl tree chains.
18137         * tree-pass.h (TDF_CHAIN): Remove.
18139 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
18141         * Makefile.in (C): Remove
18142         (PROTO): Remove
18143         (.PHONY): Remove C and PROTO
18145 2006-02-20  Roger Sayle  <roger@eyesopen.com>
18147         PR middle-end/26236
18148         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18149         deprecated CHAR_TYPE tree code.
18151 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
18153         * configure.ac (target_list): Add install-info, dvi, html.
18154         * configure: Regenerate.
18156         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18157         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18158         treelang/Make-lang.in: Do not use double-colon rules.
18160 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
18162         * tree.h (struct tree_memory_tag): Add is_used_alone member.
18163         (TMT_USED_ALONE): New macro.
18164         * tree-pass.h (PROP_tmt_usage): New property.
18165         (TODO_update_tmt_usage): New todo.
18166         * tree-ssa-alias.c (updating_used_alone): New variable.
18167         (recalculate_used_alone): New function.
18168         (compute_may_aliases): Set updating_used_alone, call
18169         recalculate_used_alone.
18170         * tree-sra.c (pass_sra): Note that this pass destroys
18171         PROP_tmt_usage, and add TODO_update_tmt_usage.
18172         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18173         * tree-flow.h (updating_used_alone): Prototype.
18174         (recalculate_used_alone): Ditto.
18175         * passes.c (execute_todo): Add code to set updating_used_alone,
18176         and call recalculate.
18177         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18178         for clobber if used alone, and add assert to verify used_alone
18179         status.
18181 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
18183         * config/s390/s390.c (legitimize_pic_address): Assertions checking
18184         for non tls symbols added.
18185         (legitimize_address): Do nothing for PLUS expressions if one of the
18186         addends is a tls symbol reference.
18188 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
18190         PR bootstrap/25476
18192         * Makefile.in (LDFLAGS): Define from autoconf substitution.
18194         * Makefile.in (BOOTSTRAPPING): New.
18195         (quickstrap): New definition if BOOTSTRAPPING=yes.
18197         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18198         * configure.ac: Substitute all_selected_languages with the languages
18199         that were configured.  For all the other variables except
18200         lang_specs_files, include all the languages in the tree.
18201         * configure: Regenerate.
18203         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18204         if there is one.  Run the commands to run fixincludes in the same
18205         subshell.
18207         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18208         * doc/install.texi: Document exact conventions for searching target tools.
18209         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
18210         something more about building an Ada cross-compiler.  Don't list GNU Make
18211         requirements which affect all platforms.
18213 2006-02-19  Roger Sayle  <roger@eyesopen.com>
18215         PR middle-end/19543
18216         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18217         only equivalent if the have both the same mode and precision.
18219 2006-02-20  Ben Elliston  <bje@au.ibm.com>
18221         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18223 2006-02-19  Roger Sayle  <roger@eyesopen.com>
18224             Steven Bosscher  <stevenb.gcc@gmail.com>
18226         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18227         constant pool references to identify stack mode constants.
18228         * rtlanal.c (constant_pool_constant_p): New predicate to check
18229         whether operand is a floating point constant in the pool.
18230         * rtl.h (constant_pool_constant_p): Prototype here.
18231         * loop.c (scan_loop): Avoid hoisting constants from the constant
18232         pool on STACK_REGS targets.
18233         (load_mems): Likewise.
18234         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18235         loads into x87 registers expensive in terms of register pressure.
18237 2006-02-19  Roger Sayle  <roger@eyesopen.com>
18239         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18240         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18242 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
18244         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18245         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18247 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
18249         * doc/invoke.texi: Document -fipa-pta.
18250         * common.opt: Add ipa-pta option.
18251         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18252         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18253         (do_ds_constraint): Ditto.
18254         (get_constraint_for): Only add to referenced_vars if
18255         referenced_vars exists.
18256         (insert_into_field_list): Rewrite to do this unsorted.
18257         (insert_into_field_list_sorted): Rename old insert_into_field_list
18258         to this.
18259         (create_function_info_for): Use insert_into_field_list_sorted.
18260         (create_variable_info_for): Rewrite so it uses unsorted version,
18261         since the field list is sorted.
18262         (intra_create_variable_infos): Only add to referenced_vars if
18263         referenced_vars exists.
18264         (ipa_pta_execute): Init heapvars, and delete when done.
18265         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18267 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18269         * doc/install.texi: Add missing `@samp'.
18271 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
18273         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18274         Use the arguments.
18276 2006-02-18  Mark Wielaard  <mark@klomp.org>
18278         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18279         who added new 4.1 features, bug fixes and integration support.
18281 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
18283         PR target/26350
18284         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18285         MEM for ABI_V4 pic.
18287 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
18289         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18290         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18291         (copy_insn_1): Likewise.  Don't copy each field individually.
18292         Reindent.
18293         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18294         of RTX_SIZE.
18295         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18296         * rtl.c (rtx_size): Rename variable to...
18297         (rtx_code_size): ...this.
18298         (rtx_size): New function.
18299         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18300         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
18301         Reindent.
18302         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18303         * rtl.h (rtx_code_size): New variable.
18304         (rtx_size): Change from a variable to a function.
18305         (RTX_SIZE): Rename to...
18306         (RTX_CODE_SIZE): ...this.
18308         PR target/9703
18309         PR tree-optimization/17106
18310         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18311         (Anchored Addresses): New section.
18312         * doc/invoke.texi (-fsection-anchors): Document.
18313         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18314         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18315         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18316         * hooks.c (hook_bool_mode_rtx_false): New function.
18317         * hooks.h (hook_bool_mode_rtx_false): Declare.
18318         * gengtype.c (create_optional_field): New function.
18319         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18320         SYMBOL_REF_IN_BLOCK_P is true.
18321         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18322         (min_anchor_offset, max_anchor_offset): Likewise.
18323         (use_anchors_for_symbol_p): New hook.
18324         * toplev.c (compile_file): Call output_object_blocks.
18325         (target_supports_section_anchors_p): New function.
18326         (process_options): Check that -fsection-anchors is only used on
18327         targets that support it and when -funit-at-a-time is in effect.
18328         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18329         if the decl doesn't have one.
18330         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18331         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18332         of force_const_mem through use_anchored_address.
18333         (expand_expr_constant): New function.
18334         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
18335         calling expand_expr for INDIRECT_REF.
18336         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18337         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
18338         * expr.h (use_anchored_address): Declare.
18339         * loop-unroll.c: Don't declare rtx vectors here.
18340         * explow.c: Include output.h.
18341         (validize_mem): Call use_anchored_address.
18342         (use_anchored_address): New function.
18343         * common.opt (-fsection-anchors): New switch.
18344         * varasm.c (object_block_htab, anchor_labelno): New variables.
18345         (hash_section, object_block_entry_eq, object_block_entry_hash)
18346         (use_object_blocks_p, get_block_for_section, create_block_symbol)
18347         (use_blocks_for_decl_p, change_symbol_section): New functions.
18348         (get_variable_section): New function, split out from assemble_variable.
18349         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18350         use_blocks_for_decl_p say so.  Use change_symbol_section if the
18351         symbol has already been created.
18352         (assemble_variable_contents): New function, split out from...
18353         (assemble_variable): ...here.  Don't output any code for
18354         block symbols; just pass them to place_block_symbol.
18355         Use get_variable_section and assemble_variable_contents.
18356         (get_constant_alignment, get_constant_section, get_constant_size): New
18357         functions, split from output_constant_def_contents.
18358         (build_constant_desc): Create a block symbol if use_object_blocks_p
18359         says so.  Or into SYMBOL_REF_FLAGS.
18360         (assemble_constant_contents): New function, split from...
18361         (output_constant_def_contents): ...here.  Don't output any code
18362         for block symbols; just pass them to place_section_symbol.
18363         Use get_constant_section and get_constant_alignment.
18364         (force_const_mem): Create a block symbol if use_object_blocks_p and
18365         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
18366         (output_constant_pool_1): Add an explicit alignment argument.
18367         Don't switch sections here.
18368         (output_constant_pool): Adjust call to output_constant_pool_1.
18369         Switch sections here instead.  Don't output anything for block symbols;
18370         just pass them to place_block_symbol.
18371         (init_varasm_once): Initialize object_block_htab.
18372         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18373         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18374         (place_block_symbol, get_section_anchor, output_object_block)
18375         (output_object_block_htab, output_object_blocks): New functions.
18376         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18377         (TARGET_ASM_OUT): Include it.
18378         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18379         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18380         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18381         (TARGET_INITIALIZER): Include them.
18382         * rtl.c (rtl_check_failed_block_symbol): New function.
18383         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
18384         (block_symbol, object_block): New structures.
18385         (rtx_def): Add a block_symbol field to the union.
18386         (BLOCK_SYMBOL_CHECK): New macro.
18387         (rtl_check_failed_block_symbol): Declare.
18388         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18389         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18390         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18391         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18392         * output.h (output_section_symbols): Declare.
18393         (object_block): Name structure.
18394         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18395         (default_use_anchors_for_symbol_p): Declare.
18396         * Makefile.in (RTL_BASE_H): Add vec.h.
18397         (explow.o): Depend on output.h.
18398         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18399         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18400         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18401         (rs6000_use_blocks_for_constant_p): New function.
18403 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18405         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18407 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
18409         PR tree-opt/25680
18410         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18411         IMAGPART_EXPR.
18413 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
18415         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18416         is_aliased.
18417         Update all users.
18419 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
18421         PR middle-end/26334
18422         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18423         instead of DECL_REGISTER.
18425 2006-02-18  Olivier Hainque  <hainque@adacore.com>
18427         PR ada/13408
18428         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18430 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
18432         PR target/24837
18433         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18434         * opth-gen.awk: Handle Var and InverseMask together.
18435         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18436         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18437         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18438         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18439         used together.
18440         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18441         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18442         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18443         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18444         LINUX_DYNAMIC_LINKER): Define.
18445         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18446         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18447         TARGET_GLIBC.
18448         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18449         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18450         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18451         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18452         (TARGET_C99_FUNCTIONS): Don't define.
18453         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18454         GLIBC_DYNAMIC_LINKER.
18455         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18456         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18457         GLIBC_DYNAMIC_LINKER64): Define.
18458         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18459         LINUX_DYNAMIC_LINKER64.
18460         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18461         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18462         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18463         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18464         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18465         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18466         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18467         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18468         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18469         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18470         and LINUX_DYNAMIC_LINKER32.
18471         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18472         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18473         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18474         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18475         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18476         TARGET_GLIBC.
18477         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18478         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18479         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18480         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18481         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18482         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18483         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18484         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18485         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18486         LINUX_DYNAMIC_LINKER): Define.
18487         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18488         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18489         GLIBC_DYNAMIC_LINKER64): Define.
18490         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18491         LINUX_DYNAMIC_LINKER64.
18492         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18493         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18494         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18495         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18496         LINUX_DYNAMIC_LINKER): Define.
18497         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18498         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18499         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18500         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18501         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18502         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18503         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18504         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18505         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18506         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18507         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18508         * doc/invoke.texi (-muclibc): Remove caveat about supported
18509         targets.
18511 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18513         * doc/cpp.texi (__TIMESTAMP__): Document.
18515 2006-02-17  Roger Sayle  <roger@eyesopen.com>
18517         PR middle-end/25600
18518         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18519         C is one less than the width of X (and related transformations).
18520         * simplify-rtx.c (simplify_unary_operation_1): Transform
18521         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18522         depending on STORE_FLAG_VALUE, were C is one less then the
18523         width of X.
18525 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
18527         Fix PR tree-optimization/26341
18528         * tree-ssa-operands.c (add_virtual_operand): Remove assert
18529         about NAME_MEMORY_TAG's.
18531 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18533         PR target/26255
18534         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18535         with hardware float support, and software float support.  Add fcpy
18536         alternative to hardware patterns.  Add alternatives to copy between
18537         general and floating-point registers to the 32-bit pattern.
18538         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18539         secondary reload to load a QI or HI mode constant into a floating
18540         point register.
18541         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18542         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18544 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
18546         PR target/26272
18547         * config/rs6000/darwin.md (load_macho_picbase_si): Add
18548         pc to the pattern.
18549         (load_macho_picbase_di): Likewise.
18551 2006-02-16  Jeff Law  <law@redhat.com>
18553         * tree-vrp.c (set_value_range_to_nonnegative): New function.
18554         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18555         (ssa_name_nonzero_p): Likewise.
18556         (get_value_range): Return NULL if VRP is not running.
18557         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18558         VRP routines do not discover a range.
18559         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18560         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18561         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18562         (tree_expr_nonnegative_p): Similarly.
18563         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18564         (restore_nonzero_vars_to_original_value): Remove.
18565         (unsafe_associative_fp_binop): Remove.
18566         (tree_ssa_dominator_optimize): Remove initialization and
18567         finalization of nonzero_vars and nonzero_vars_stack.
18568         (dom_opt_initialize_block): No longer push marker on
18569         nonzero_vars_stack.
18570         (dom_opt_finalize_block): No longer call
18571         restore_nonzero_vars_to_original_value.
18572         (record_equivalences_from_phis): No longer look for
18573         nonzero PHI arguments.
18574         (cprop_into_successor_phis): No longer propagate nonzero
18575         property into PHI arguments.  Lose unused argument.  Caller
18576         updated.
18577         (record_equivalences_from_stmt): No longer record nonzero
18578         values for SSA_NAMEs.
18579         (lookup_avail_expr): No longer use nonzero_vars.
18581         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18582         for sizetype when sizetype is unsigned.
18584 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
18586         PR rtl-optimization/25603
18587         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18588         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18589         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18590         with new meaning of SETS.
18592 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
18594         PR target/20353
18595         PR target/24578
18596         PR target/24837
18597         * config/linux.opt: New file.
18598         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18599         LINUX_DYNAMIC_LINKER): Define.
18600         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18601         * config.gcc (*-*-linux*): Define extra_options.
18602         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18603         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18604         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18605         GLIBC_DYNAMIC_LINKER.
18606         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18607         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18608         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18609         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18610         * doc/invoke.texi (GNU/Linux Options): New section.
18612 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
18614         * config/sparc/sparc.md (setjmp): Rewrite.
18615         (setjmp_32): Delete.
18616         (setjmp_64): Likewise.
18618 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
18620         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18621          previous change.
18623 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18625         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18626         read-write uses.
18628 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18630         PR rtl-optimization/26296
18631         * Makefile.in (loop-invariant.c): Add except.h dependency.
18632         * loop-invariant.c: Include except.h.
18633         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18635 2005-02-16  Paul Brook  <paul@codesourcery.com>
18637         * reload1.c (emit_reload_insns): Invalidate dead input registers used
18638         for reloads.
18640 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
18642         PR rtl-optimization/25636
18643         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18644         when deciding whether an insn is an initializing insn.
18646 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
18648         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18649         (tree_code_size): Ditto.
18650         * tree.h (struct tree_memory_tag): Remove parent_var.
18651         (struct tree_struct_field_tag): New.
18652         (SFT_OFFSET): New.
18653         (SFT_SIZE): New.
18654         (union tree_node): Add sft member.
18655         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18656         specially here.
18657         (create_sft): Add size and offset argument, set SFT_OFFSET and
18658         SFT_SIZE.
18659         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18660         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18661         * tree-flow-inline.h (get_subvar_at): Update for
18662         SFT_OFFSET/SFT_SIZE.
18663         (var_can_have_subvars): Ditto.
18664         (overlap_subvar): Ditto.
18665         * print-tree.c (print_node): Print out interesting things for
18666         SFT's.
18667         * tree-flow.h (struct subvar): Remove offset and size members.
18668         * tree-ssa-operands.c (get_expr_operands): Update for
18669         get_indirect_ref_operands changes.
18670         (get_indirect_ref_operands): Call add_virtual_operand instead of
18671         add_stmt_operand.  Only recurse on base var if requested.
18672         (access_can_touch_variable): New function.
18673         (add_stmt_operand): Split virtual operand handling into ...
18674         (add_virtual_operand): Here.  Add offset, size, and for_clobber
18675         arguments.  Prune alias sets.
18676         (add_call_clobber_ops): Call add_virtual_operand.
18678 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
18680         PR middle-end/26300
18681         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18683         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18684         than TREE_CODE as index into omp_clause_num_ops array.
18686 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
18688         PR rtl-optimization/26184
18689         * modulo-sched.c (generate_reg_moves): Free bitmap vector
18690         uses_of_defs.
18691         * modulo-sched.c (sms_schedule): Free g_arr pointer.
18692         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18693         must_precede, must_follow and tobe_scheduled.
18695         PR other/26147
18696         * opts.c (common_handle_option): Free new_option pointer.
18697         * df-core.c (df_analyze): Free postorder pointer.
18699 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18701         * Makefile.in: Fix the examples about the use of stamps
18703 2006-02-15  Michael Matz  <matz@suse.de>
18705         PR middle-end/22275
18707         * stor-layout.c (layout_decl): Zero-width bitfields aren't
18708         influenced by maximum_field_alignment or DECL_PACKED.
18709         (update_alignment_for_field): Ditto.
18710         (place_field): Ditto.
18711         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18712         this behaviour.
18714 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
18716         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18717         (debug_flow_info): Pass it.
18718         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18719         * bb-reorder.c (reorder_basic_blocks): Likewise.
18720         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18721         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18722         * flow.c (life_analysis, recompute_reg_usage): Likewise.
18723         * gcse.c (gcse_main, bypass_jumps): Likewise.
18724         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18725         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18726         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18727         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18728         * rtl.h (dump_flow_info): Adjust prototype.
18729         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18730         * var-tracking.c (variable_tracking_main): Likewise.
18731         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18732         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18733         options.
18735 2006-02-15  Marcin Dalecki <martin@dalecki.de>
18737         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18738         construction.
18740 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
18742         PR tree-optimization/26209
18743         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18744         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18745         eh edges.
18746         * tree-cfg.c (replace_uses_by): Do not alter cfg.
18748 2006-02-14  Roger Sayle  <roger@eyesopen.com>
18750         PR middle-end/23670
18751         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18752         (X,Y) and the corresponding symmetry related transformations.
18753         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18754         (X,Y) and its symmetry related transformations.
18756 2006-02-14  Roger Sayle  <roger@eyesopen.com>
18758         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18759         and GEU.
18761 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
18763         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18765 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18767         PR bootstrap/26053
18768         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18769         support COMDAT group.
18770         * configure: Regenerate.
18772 2006-02-14  Roger Sayle  <roger@eyesopen.com>
18774         PR middle-end/26279
18775         PR middle-end/26280
18776         PR middle-end/26283
18777         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18779 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
18781         Fix PR tree-optimization/26260
18783         * doc/invoke.texi (max-fields-for-field-sensitive): Document
18784         param.
18785         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18786         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18787         * tree-ssa-structalias.c (create_variable_info_for): Use
18788         MAX_FIELDS_FOR_FIELD_SENSITIVE.
18790 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
18792         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18793         Document.
18794         * tree-ssa-loop-niter.c (number_of_iterations_ne,
18795         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18796         of the ending condition.
18797         * tree-ssa-loop-manip.c: Include params.h.
18798         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18799         tree_unroll_loop): New functions.
18800         * tree-pass.h (pass_loop_prefetch): Declare.
18801         * loop.c (rest_of_handle_loop_optimize): Test for
18802         -fprefetch-loop-arrays-rtl.
18803         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18804         * timevar.def (TV_TREE_PREFETCH): New timevar.
18805         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18806         pass_loop_prefetch): New.
18807         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18808         (cleanup_tree_cfg_loop): Call scev_reset.
18809         * common.opt (fprefetch-loop-arrays-rtl): Add.
18810         * tree-ssa-loop-prefetch.c: New file.
18811         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18812         (new_temp_expr_table): Initialize expr_vars.
18813         (free_temp_expr_table): Cleanup expr_vars.
18814         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18815         expressions from being merged into one.
18816         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18817         (struct tree_niter_desc): Add control, bound and cmp fields.
18818         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18819         Declare.
18820         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18821         (tree-cfgcleanup.o): Add SCEV_H dependency.
18822         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18823         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18825 2006-02-14  Richard Guenther  <rguenther@suse.de>
18827         PR tree-optimization/26258
18828         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18829         in PHI argument processing.
18831 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
18833         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18834         new expression in the requested machine mode.
18836 2006-02-13  Roger Sayle  <roger@eyesopen.com>
18838         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18839         directly, instead let do_compare_rtx_and_jump handle this for us.
18840         * expr.c (expand_expr_real_1): Likewise.
18841         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
18842         before do_jump_by_parts_greater.
18843         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18844         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18846 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18848         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18850 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
18852         PR rtl-optimization/26235
18853         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18854         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
18855         format.
18857 2006-02-13  Jeff Law  <law@redhat.com>
18859         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18860         TRUTH_XOR_EPR.
18862 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
18864         PR middle-end/26092
18865         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18866         twice if decl is a builtin.  When trying again, call get_callee_fndecl
18867         first to verify it is still a builtin.
18869 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
18871         * dwarf2out.c (base_type_die): Don't add AT_name here.
18872         (subrange_type_die): Don't add AT_name here.
18873         (modified_type_die): Rearrange code flow.  Do add AT_name here.
18875 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
18877         PR rtl-optimization/26247
18878         PR rtl-optimization/26248
18879         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18881 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
18883         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18884         * config/fixtfdi.c: Likewise.
18885         * config/fixunstfdi.c: Likewise.
18886         * config/floatditf.c: Likewise.
18888 2006-02-13  Roger Sayle  <roger@eyesopen.com>
18890         PR middle-end/24427
18891         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18892         into (X,C2) if C1 is a subset of the bits of C2.  Transform
18893         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
18894         (X&(C1&~C2))|C2.
18895         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18897 2006-02-13  Josh Conner  <jconner@apple.com>
18899         PR target/25376
18900         * varasm.c (function_section): Check for section name before
18901         calling select_section on targets that define
18902         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
18903         unlikely_text_section instead of hot_function_section if
18904         first_function_block_is_cold.
18906 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
18908         PR middle-end/25335
18909         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18911 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
18913         PR rtl-optimization/26222
18914         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18915         after tree->rtl expansion.
18916         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18917         before passing it to emit_move_insn.
18919 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
18921         * doc/invoke.texi (-Write-strings): Document that it is enabled by
18922         default.
18923         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18924         Clarify documentation.
18925         * c-common.h (warn_write_strings): Remove.
18926         * c-common.c (warn_write_strings): Likewise.
18927         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18928         default for C++.
18930 2006-02-12  Roger Sayle  <roger@eyesopen.com>
18932         PR middle-end/25724
18933         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18934         (do_jump_parts_zero_rtx): New function renamed from
18935         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
18936         (do_jump_parts_equality_rtx): New function split out from
18937         do_jump_parts_equality.  Old implementation renamed as above.
18938         Call do_jump_parts_zero_rtx if either operand is zero.
18939         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18940         do all of the heavy lifting.
18941         (do_compare_rtx_and_jump): Handle multi-word comparisons by
18942         calling either do_jump_by_parts_greater_rtx or
18943         do_jump_by_parts_equality_rtx.
18944         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18945         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18946         moved to do_compare_rtx_and_jump, call it directly.
18947         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
18948         mode argument.  Call do_compare_rtx_and_jump.
18949         (emit_case_nodes): Update calls to do_jump_if_equal.
18951 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
18953         PR rtl-optimization/26225
18954         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18956 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
18958         PR rtl-optimization/26232
18959         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18961 2006-02-11  Jason Merrill  <jason@redhat.com>
18963         PR tree-opt/24365
18964         * tree-inline.c (declare_return_variable): Just don't use the
18965         modify target if it's a gimple complex reg and the return slot
18966         isn't.
18968 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18970         * doc/contrib.texi: Update my entry.
18972 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
18974         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18976 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
18978         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18979         expensive.
18981 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
18983         * doc/invoke.texi (-floop-optimize2): Removed.
18984         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18985         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18986         Test flag_branch_on_count_reg only if HAVE_doloop_end.
18987         * common.opt (floop-optimize2): Removed.
18988         (fmove-loop-invariants): Enabled by default.
18990 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
18992         * tree-if-conv.c (combine_blocks): Free the result of
18993         get_loop_exit_edges.
18995 2006-02-10  Jeff Law  <law@redhat.com>
18997         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18999         PR tree-optimization/26213
19000         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19001         loop trying to follow SSA_NAME_VALUE chains.
19003 2006-02-10  Richard Guenther  <rguenther@suse.de>
19005         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19006         deal with structures that end in implicitly variable sized arrays.
19008 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19010         PR rtl-optimization/24762
19011         * df-scan.c (df_bb_refs_record): Record correct registers defined on
19012         eh edges.
19014 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19016         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19017         (struct ivopts_data): Add regs_used field.
19018         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19019         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19020         instead of loop_data->regs_used;
19021         (free_loop_data): Do not free aux fields for loops.
19022         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19023         and tree_ssa_iv_optimize_finalize.
19025 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
19027         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19029 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
19031         PR target/26141
19032         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19033         computing the effective result type.
19035 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
19037         PR inline-asm/16194
19038         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19039         (tree_overlaps_hard_reg_set): Declare.
19040         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
19041         type and signature to match function type expected by walk_tree.
19042         (tree_overlaps_hard_reg_set): New function.
19043         (decl_conflicts_with_clobbers_p): Rename to:
19044         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
19045         Use tree_overlaps_hard_reg_set.  Changed caller.
19046         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19047         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19048         * cris.c (cris_md_asm_clobbers): Likewise.
19050 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
19052         * reload1.c (emit_input_reload_insns): Delete code that tries to
19053         inherit using find_equiv_reg.
19055 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
19057         * c-common.h (flag_const_strings): Don't declare.
19058         * c-common.c (flag_const_strings): Remove.
19059         * c.opt (fconst_strings): Remove.
19060         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19061         <OPT_Wwrite_strings>: Don't set flag_const_strings.
19062         (c_common_init_options): Don't set flag_const_strings.
19063         * doc/invoke.texi (-fno-const-strings): Remove documentation.
19065 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
19067         * arm.md (tlobits_cbranch): New pattern.
19068         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19069         testing a single bit.
19071 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19073         PR tree-opt/26179
19074         * tree-ssa-pre.c (create_component_ref_by_pieces):
19075         Handle RETURN_DECL like VAR_DECL.
19077 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19079         PR middle-end/26134
19080         * fold-const.c (fold_indirect_ref_1): Fold
19081         "*(foo *)&complexfoo" to "__real__ complexfoo"
19082         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19084 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
19086         * tree-flow-inline.h (var_can_have_subvars):
19087         Volatile variables should not have subvariables.
19089 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
19091         PR 26180
19092         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19093         multiplying unsigned values.
19094         Tidy comments.
19096 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
19098         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19100 2006-02-08  Jason Merrill  <jason@redhat.com>
19102         PR c++/25979
19103         * tree.def: Elaborate on difference from MODIFY_EXPR.
19104         * doc/c-tree.texi (INIT_EXPR): Likewise.
19105         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19106         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19107         (gimplify_target_expr): Likewise.
19108         (gimplify_cond_expr): Remove target handling.
19109         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19110         (gimplify_expr): Clobber it here.
19111         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19112         Do return slot optimization if we have an INIT_EXPR.
19114         PR tree-opt/24365
19115         * tree-inline.c (declare_return_variable): Also clear
19116         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19118         PR c++/16405
19119         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19121         PR middle-end/22439
19122         * gimplify.c (gimplify_one_sizepos): Fix typo.
19124 2006-02-08  Jeff Law  <law@redhat.com>
19126         PR tree-optimization/21417
19127         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19128         across a backedge if the control statement at the end of the
19129         block is data dependent on other statements in the same block.
19130         (record_temporary_equivalences_from_stmts): Remove over-conservative
19131         test for threading across backedges.
19133         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19134         control statement, handle all three special cases in the same
19135         manner as they all have the same desired solution.  No longer
19136         special case edge flag updating when the post dominator is
19137         the exit block.
19139 2006-02-08  Roger Sayle  <roger@eyesopen.com>
19141         * tree.def (CHAR_TYPE): Remove.
19142         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19143         * dwarf2out.c (base_type_die, is_base_type): Likewise.
19144         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19145         (gen_string_type_die): Delete unreachable function.
19147         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19148         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19149         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19150         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19151         * builtins.c (type_to_class): Likewise.
19152         * fold-const.c (fold_convert, build_range_check,
19153         merge_ranges): Likewise.
19154         * expr.c (count_type_elements): Likewise.
19155         * c-pretty-print.c (pp_c_type_specifier): Likewise.
19156         * stor-layout.c (layout_type): Likewise.
19157         * ipa-type-escape.c (type_to_consider): Likewise.
19158         * gimplify.c (omp_firstprivatize_type_sizes,
19159         gimplify_type_sizes): Likewise.
19160         * explow.c (promote_mode): Likewise.
19161         * tree-sra.c (is_sra_scalar_type): Likewise.
19162         * varasm.c (output_constant): Likewise.
19163         * tree-inline.c (remap_type_1): Likewise.
19164         * convert.c (convert_to_pointer, convert_to_real,
19165         convert_to_integer, convert_to_complex): Likewise.
19167 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
19169         * df-scan.c (df_def_record_1): A set destination may
19170         be a parallel regardless of mode.
19172 2006-02-08  Roger Sayle  <roger@eyesopen.com>
19174         PR target/22209
19175         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19176         * config/mips/_tilib.c: Remove.
19177         * config/fixtfdi.c: New libgcc source file.
19178         * config/fixunstfdi.c: New source file.
19179         * config/floatditf.c: New source file.
19180         * config/floatunditf.c: New souce file.
19181         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19182         files above instead of config/mips/_tilib.c.
19183         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19185 2006-02-08  Jeff Law  <law@redhat.com>
19187         PR tree-optimization/26169
19188         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19189         threading jumps.
19191 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
19193         * df.h (DF_REG_SIZE): Return the length of the initialized
19194         part of the array.
19196 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
19198         * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19199         __muldf3): Return a correctly signed zero.
19201 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
19203         * passes.c (register_one_dump_file): Accept the current properties
19204         instead of pass number.  Adjust call to dump_register.  Remove
19205         duplicated code.
19206         (register_dump_files): Now a wrapper around...
19207         (register_dump_files_1): ... this one.  Do not modify the pass
19208         structure.
19209         (next_pass_1): Cosmetic fix.
19210         (execute_todo): Keep second parameter only.  Use curr_properties
19211         instead of fetching it from the pass structure.  Check and set
19212         last_verified.
19213         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
19214         instead of fetching it from the pass structure.  Fix calls to
19215         execute_todo.  Update curr_properties and initialize .vcg RTL dump
19216         after running the pass.  Reset last_verified.
19217         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
19218         at the beginning.
19219         (FIRST_AUTO_NUMBERED_DUMP): New.
19220         (dump_register): Remove "num" parameter, assign it within the
19221         function.
19222         (get_dump_file_name): Modify template for dumps.
19223         * tree-dump.h (dump_register): Adjust prototype.
19224         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19225         (PROP_trees): Add PROP_gimple_lomp.
19226         (TODO_set_props): New.
19227         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19228         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19229         * cfgexpand.c (pass_expand): Destroy PROP_trees.
19231 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
19233         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19234         (sparc64-*-linux*): Likewise.
19235         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19236         * config/sparc/t-linux: New file.
19237         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19238         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19239         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19240         -m32 -mlong-double-128.
19242         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19243         * config/alpha/t-linux: New file.
19244         * config/alpha/libgcc-alpha-ldbl.ver: New file.
19246         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19247         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19248         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19249         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19250         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19251         (CPP_ARCH32_SPEC): Remove.
19253 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
19255         PR tree-optimization/26145
19256         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19257         bbs pointer.
19259 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19261         PR target/26109
19262         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19263         >= 240000 when generating code for SOM runtime.
19264         (output_indirect_call): Don't use "b,l" instruction for indirect calls
19265         to $$dyncall when generating code for SOM runtime..
19267 2006-02-07  Dirk Mueller  <dmueller@suse.com>
19269         PR c++/18150
19270         * doc/invoke.texi (-Wsequence-point): Update documentation
19271         that -Wsequence-point is implemented for C++ as well.
19273 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19275         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19276         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19277         (LIB_SPEC): Likewise.
19278         * doc/invoke.texi (SPARC options): Document -pthread.
19280 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
19282         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19283         PIC addresses.
19285 2006-02-07  Roger Sayle  <roger@eyesopen.com>
19287         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19288         Correct comment describing BOOLEAN_TYPE.
19290 2006-02-07  Dirk Mueller  <dmueller@suse.com>
19292         * c.opt: C++ frontend supports -Wdiv-by-zero.
19293         * c-opts.c (c_common_handle_option): Remove dead case.
19295 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19297         * configure.ac (TLS assembler check): Do not enable TLS by
19298         default on SPARC/Solaris before version 10.
19299         * configure: Regenerate.
19301 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
19303         * doc/invoke.texi (xl-compat): Document conversion and support
19304         routine names.
19306 2006-02-07  Jeff Law  <law@redhat.com>
19308         * tree-vrp.c (find_conditional_asserts): Update comments.
19309         (simplify_stmt_for_jump_threading): New.
19310         (identify_jump_threads, finalize_jump_threads): New.
19311         (vrp_finalize): Call identify_jump_threads.
19312         (execute_vrp): Call finalize_jump_threads.
19313         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19314         (vrp_element, vrp_data, vrp_element_p): Remove.
19315         (vrp_hash_elt, vrp_variables_stack): Remove.
19316         (vrp_hash, vrp_eq, record_range): Remove.
19317         (simplify_cond_and_lookup_avail_expr): Remove.
19318         (extract_range_from_cond): Remove.
19319         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19320         (simplify_stmt_for_jump_threading): New.
19321         (dom_thread_across_edge): New wrapper.
19322         (tree_ssa_dominator_optimize): No longer initialize or
19323         finalize any of the VRP datastructures.  Remove iteration
19324         step and simplify as a result of removal of iteration step.
19325         (pass_dominator): Perform a cfg cleanup after DOM.
19326         (dom_opt_finalize_block): Use the new common routines
19327         for threading jumps.  Simplify stack management slightly.
19328         No longer need to unwind VRP state.
19329         (record_equivalences_from_incoming_edge): No longer record
19330         VRP information.
19331         (eliminate_redundant_computations): No longer call
19332         simplify_cond_and_lookup_avail_expr.
19333         * tree-flow.h (potentially_threadable_block): Prototype.
19334         (thread_across_edge): Likewise.
19335         * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19336         (tree-ssa-threadedge.o): Add dependencies.
19337         * tree-ssa-threadedge.c: New file.
19338         * passes.c (init_optimization_passes): Merge PHIs before
19339         calling VRP.  Run VRP again late in the SSA optimization pipeline.
19341 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19343         * df-core.c (df_set_blocks): Do not dereference function pointers.
19344         (df_finish1): Likewise.
19345         (df_hybrid_search_forward): Likewise.
19346         (df_hybrid_search_backward): Likewise.
19347         (df_iterative_dataflow): Likewise.
19348         (df_analyze_problem): Likewise.
19349         (df_compact_blocks): Likewise.
19350         (df_dump): Likewise.
19351         * df-scan.c (df_rescan_blocks): Likewise.
19352         (df_record_entry_block_defs): Likewise.
19354         * genconditions.c (write_conditions): Guard the definition of
19355         'insn_conditions' with the check on GCC version.
19356         (write_writer): Guard the traversal 'insn_conditions' with
19357         the check on GCC version.
19359 2006-02-07  Richard Guenther  <rguenther@suse.de>
19361         PR c++/26140
19362         Revert
19363         2006-01-30  Richard Guenther  <rguenther@suse.de>
19364         PR c++/23372
19365         * gimplify.c (gimplify_target_expr): Handle easy cases
19366         without creating a temporary.
19368 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
19370         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19371         use of float in probability computations.  Use edge probabilities
19372         in place of statically computed probabilities.
19373         (min_spec_prob): New static variable.
19374         (schedule_insns): Initialize it.
19375         (GET_SRC_PROB): Removed.
19376         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19378 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
19380         PR debug/24444
19381         * config/ia64/unwind-ia64.c: Revert last change.
19382         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19383         (INCOMING_FRAME_SP_OFFSET): Define.
19385 2006-02-06  Roger Sayle  <roger@eyesopen.com>
19387         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19389 2006-02-07  Ben Elliston  <bje@au.ibm.com>
19391         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19392         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19393         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19394         (ix86_return_in_memory): Handle TDmode.
19395         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19396         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19398 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
19400         * reorg.c (dbr_schedule): Use dump_file instead of file.
19402 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
19404         PR target/25917
19405         * config/ia64/predicates.md (extr_len_operand): New predicate.
19406         * config/ia64/ia64.md (extv): Tighten constraints.
19407         (extzv): Ditto.
19408         (*tbit_and_2): Ditto.
19409         (*tbit_and_3): Ditto.
19410         (*tbit_or_2): Ditto.
19411         (*tbit_or_3): Ditto.
19412         (*bit_zero): Ditto.
19413         (*bit_one): Ditto.
19415 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
19417         PR target/23359
19418         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19420 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
19422         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19423         loop_optimizer_init and loop_optimizer_finalize
19424         * tree-ssa-sink.c (execute_sink_code): Ditto.
19425         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19426         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19427         tree_ssa_loop_done): Ditto.
19428         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19429         * sched-ebb.c: Include output.h.
19430         (schedule_ebbs): Do not use dump argument.
19431         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19432         * loop.c (loop_dump_stream): Removed.
19433         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19434         argument.
19435         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19436         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19437         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19438         loop_iterations, strength_reduce, record_biv, record_giv,
19439         final_giv_value, check_final_value, check_ext_dependent_givs,
19440         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19441         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19442         dump_file instead of loop_dump_stream.
19443         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19444         argument dump_file.
19445         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19446         dump argument.
19447         * flow.c (life_analysis, rest_of_handle_life): Ditto.
19448         * haifa-sched.c: Include output.h
19449         (schedule_insns, sched_init): Do not use dump argument.
19450         * mode-switching.c (optimize_mode_switching): Ditto.
19451         * modulo-sched.c (stats_file): Removed.
19452         (print_node_sched_params): Do not call argument dump_file.
19453         (sms_schedule_by_order, loop_canon_p, sms_schedule,
19454         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
19455         of stats_file.
19456         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19457         use dump argument.
19458         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19459         rtl_loop_init, rtl_loop_done): Ditto.
19460         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19461         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19462         Ditto.
19463         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19464         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19465         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19466         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19467         * emit-rtl.c (renumber_insns): Ditto.
19468         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19469         expand_gimple_basic_block, tree_expand_cfg): Ditto.
19470         * regclass.c (regclass): Ditto.
19471         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19472         remove_ssa_form, rewrite_out_of_ssa): Ditto.
19473         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19474         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19475         Ditto.
19476         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19477         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19478         to regclass.
19479         * gcse.c (gcse_file, debug_stderr): Removed.
19480         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19481         rest_of_handle_gcse): Do not use dump argument.
19482         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19483         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19484         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19485         compute_code_hoist_vbeinout, compute_code_hoist_data,
19486         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19487         compute_store_table, build_store_vectors, insert_insn_start_bb,
19488         insert_store, remove_reachable_equiv_notes, replace_store_insn,
19489         store_motion): Use dump_file instead of gcse_file.
19490         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19491         * profile.c (profile_dump_file): Removed.
19492         (branch_prob): Use dump_file instead of profile_dump_file.
19493         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19494         dump_file.
19495         * tree-ssa-copy.c (dump_copy_of): Ditto.
19496         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19497         dump file to life_analysis.
19498         * bt-load.c (branch_target_load_optimize): Ditto.
19499         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19500         renumber_insns.
19501         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19502         regclass, dbr_schedule): Declaration changed.
19503         * sched-int.h (sched_init): Declaration changed.
19504         * tree-profile.c (tree_profile_dump_file): Removed.
19505         (tree_profile_hooks): Removed profile_dump_file hook.
19506         * rtl-profile (rtl_profile_dump_file): Removed.
19507         (rtl_profile_hooks): emoved profile_dump_file hook.
19508         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19509         changed.
19510         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19511         * tree-cfg.c (build_tree_cfg): Ditto.
19512         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19513         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19514         Declaration changed.
19515         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19516         life_analysis and schedule_insns.
19517         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19518         life_analysis.
19519         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19520         dbr_schedule.
19521         * config/mips/mips.c (mips_reorg): Ditto.
19522         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19523         schedule_ebbs.
19525 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
19527         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19528         (s390_mangle_fundamental_type): New.
19529         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19530         Define.
19532         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19533         (alpha_mangle_fundamental_type): New.
19534         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19535         Define.
19537         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19538         Define.
19539         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19540         Define.
19541         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19542         (sparc_mangle_fundamental_type): New.
19544 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
19546         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19547         (s390x-*-linux*): Likewise.
19548         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19549         * config/s390/t-linux: New file.
19551 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
19553         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19554         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19556 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
19558         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19559         (ANTIC_SAFE_LOADS): New macro.
19560         (find_or_generate_expression): Add prototype.
19561         (set_contains_value): Allow null set for sake of not always having
19562         to allocate ANTIC_SAFE_LOADS.
19563         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19564         Allow COMPONENT_REF too.
19565         (valid_in_set): Allow COMPONENT_REF.
19566         Check ANTIC_SAFE_LOADS too.
19567         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19568         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19569         rename.
19570         (can_PRE_operation): Add COMPONENT_REF.
19571         (create_component_ref_by_pieces): New function.
19572         (create_expression_by_pieces): Use create_component_ref_by_pieces.
19573         (insert_aux): Move AGGREGATE_TYPE_P check here.
19574         (compute_avail): Set bb local stmt uids.
19575         (pass_pre): Use TODO_update_ssa_only_virtuals.
19577 2006-02-06  Ben Elliston  <bje@au.ibm.com>
19579         * configure.ac: Unconditionally disable decimal float by default.
19580         * configure: Regenerate.
19582 2006-02-06  Ben Elliston  <bje@au.ibm.com>
19584         * read-rtl.c (read_name): Terminate reading on EOF.
19586 2006-02-06  Ben Elliston  <bje@au.ibm.com>
19588         * dfp.c (decimal_real_arithmetic): Change second argument type
19589         from int to enum tree_code. Do not always return true, but now
19590         return result of any call to decimal_do helper functions.
19591         * dfp.h (decimal_real_arithmetic): Update prototype.
19593 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
19595         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19597 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
19599         PR tree-opt/25251
19600         * tree-cfg.c (cleanup_dead_labels): Also don't remove
19601         forced labels.
19603 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
19605         * tree-vrp.c (cfg_loops): Removed.
19606         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19607         Use current_loops instead of cfg_loops.  Pass flags to
19608         loop_optimizer_init.
19609         * cfgloopmanip.c (fix_loop_structure): Update only available
19610         information.
19611         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19612         loop_optimizer_init.
19613         * modulo-sched.c (build_loops_structure): Removed.
19614         (sms_schedule): Use loop_optimizer_init.
19615         * loop-init.c (loop_optimizer_init): Use flags to determine
19616         which properties of loops to prepare.
19617         (rtl_loop_init): Pass flags to loop_optimizer_init.
19618         * tree-ssa-sink.c (execute_sink_code): Ditto.
19619         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19620         * tree-ssa-pre.c (init_pre): Ditto.
19621         * cfgloop.h (LOOPS_NORMAL): New.
19622         (loop_optimizer_init): Declaration changed.
19624 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19626         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19627         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19628         pa/t-pa.
19629         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19630         pa/t-pa.
19631         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19632         pa/x-ada.
19633         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19634         * pa/t-pa64: Delete quadlib.c rule.
19635         * pa/x-ada: Revert last change.
19636         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
19638 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
19640         PR rtl-optimization/26087
19641         * rtlanal.c (canonicalize_condition): Do not cross basic block
19642         boundaries.
19644 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
19646         PR debug/24444
19647         * config/ia64/ia64.c: Include debug.h.
19648         (MAX_ARTIFICIAL_LABEL_BYTES): New.
19649         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19650         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19651         (process_epilogue, process_set, process_for_unwind_directive):
19652         Output unwind info only if requested.  Add CFA info if requested.
19653         Add new arguments as needed.  Adjust callers.
19654         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19655         incorrect default.
19656         (DWARF2_FRAME_INFO): Define to zero.
19657         * config/ia64/unwind-ia64.c: Remove code that compensated for
19658         the CFA offset error fixed above.
19659         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19660         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19661         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19662         -funwind-tables and -fexceptions to enable frame info.
19663         (dwarf2out_frame_init): Define initial CFA even if
19664         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
19665         DWARF2_UNWIND_INFO is nonzero, not just defined.
19666         (dwarf2out_frame_finish): Output non-EH call frame info only
19667         if DWARF2_FRAME_INFO is nonzero.
19668         (convert_cfa_to_loc_list,
19669         compute_frame_pointer_to_cfa_displacement): Define even if
19670         unwind info is not supported.
19671         (gen_subprogram_die): Use the above unconditionally.  Remove
19672         legacy alternate code.
19673         * toplev.c (compile_file): Compile in call to
19674         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19675         (lang_dependent_init): Ditto for dwarf2out_frame_init.
19677 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
19678             Jakub Jelinek  <jakub@redhat.com>
19680         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19681         IBM extended float format long double as "g" on powerpc*-linux.
19683 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19685         PR target/25926
19686         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19687         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19689 2006-02-03  Jason Merrill  <jason@redhat.com>
19691         PR c++/25979
19692         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19694         PR middle-end/25977
19695         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19696         on the return slot if it's an NRV.
19698 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
19700         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19701         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19702         rewrite_use): Do not handle USE_OUTER.
19703         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19704         add_iv_outer_candidates, may_replace_final_value,
19705         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19706         (find_interesting_uses_op): Functionality of
19707         find_interesting_uses_outer_or_nonlin moved here.
19708         (find_interesting_uses_outside): Use find_interesting_uses_op.
19710 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
19712         PR target/25960
19713         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19715 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
19716             Ulrich Weigand  <uweigand@de.ibm.com>
19718         PR target/25864
19719         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19720         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19721         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19722         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19723         and dxr fields.
19724         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19725         (s390_rtx_costs): Use the new fields to calculate rtx costs.
19726         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19727         Define secondary reloads for TFmode moves.
19728         (constant_modes): Add TFmode.
19729         (NR_C_MODES): Set to 8.
19730         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19731         builtin define.
19732         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19733         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19734         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19735         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19736         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19737         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19738         (FPR mode macro): Add TFmode.
19739         (DSF mode macro): New.
19740         (<de>, <dee> mode attributes): Removed.
19741         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19742         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19743         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19744         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19745         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19746         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19747         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19748         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19749         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19750         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19751         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19752         "*negabs<mode>2", "sqrt<mode>2"):
19753         Changed <de> to <xde>. R constraint replaced by <Rf>.
19754         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19755         <Rf>.
19756         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19757         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19758         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19759         splitters.
19760         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19761         "extenddftf2", "extendsftf2"): New expanders.
19762         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19763         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19764         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19765         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19766         New options.
19767         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19768         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19769         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19770         __floatditf): Add a GCC_4.1.0 symbol version tag.
19771         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19772         the new options.
19774 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
19776         PR target/25377
19777         * config/i386/i386.c (ix86_function_ok_for_sibcall):
19778         Use targetm.binds_local_p instead of TREE_PUBLIC.
19780 2006-02-02  Roger Sayle  <roger@eyesopen.com>
19782         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19783         on INTEGER_TYPEs to indicate that it denotes a character type.
19784         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19785         signed_char_type_node, unsigned_char_type_node and char_type_node.
19786         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19787         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
19788         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19790 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
19791             Daniel Berlin  <dberlin@dberlin.org>
19793         * tree-tailcall.c (arg_needs_copy_p): New function.
19794         (eliminate_tail_call): Use arg_needs_copy_p.
19795         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19796         (add_virtual_phis): New function.
19798 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
19800         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19801         #ignore instead of #scratch for %g7 .register directive.
19803 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
19805         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19806         object files.
19808 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
19810         * flow.c (calculate_global_regs_live): Assert that there aren't any
19811         EDGE_FAKE edges.
19813 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
19815         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19816         what its name says.
19817         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19818         bsi_after_labels iterator.
19819         * tree-if-conv.c (find_phi_replacement_condition,
19820         replace_phi_with_cond_modify_expr): Likewise.
19821         * tree-scalar-evolution.c (scev_const_prop): Likewise.
19822         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19824 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
19826         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19828 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
19830         PR 25990
19831         * tree-cfg.c (move_block_to_fn): Clear out the basic block
19832         array after growing it.
19834 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
19836         PR middle-end/24901
19837         * fold-const.c (fold_checksum_tree): Change type of buf.
19839 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
19841         * reload.c (push_secondary_reload): Initialize t_icode.
19843 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
19845         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19846         -msoft-float -mlong-double-128 only issue a warning, but don't
19847         swich to DFmode long double.
19849 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
19851         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19852         has a constant equivalent, iterate over equivalents for arg0,
19853         calling simplify_relational_operation and if there's a result
19854         cheaper than X, apply fold_rtx and return the result.
19856 2006-02-01  Jan Hubicka  <jh@suse.cz>
19858         * opts.c (no_unit_at_a_time_default): New global variable.
19859         (decode_options): Use it.
19860         * opts.h (no_unit_at_a_time_default): Declare.
19862 2006-02-01  Paul Brook  <paul@codesourcery.com>
19864         * function.c (assign_parm_setup_reg): Use function argument promotion
19865         rules.
19866         * expr.c (expand_expr_real_1): Use function argument promotion rules
19867         for PARM_DECLs.
19869 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
19871         * gcc.c (process_command): Change j to 'unsigned int'.
19873 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
19875         PR middle-end/26001
19876         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19877         Use the corrected index for the character
19878         out of the string constant.
19880 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
19882         * mode-switching.c (optimize_mode_switching): Fix size
19883         allocated for bb_info[n_entities].
19885 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
19887         * gcc.c (main): Correct type that is allocated for
19888         explicit_link_files.
19890 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
19892         * config/s390/s390.c (init_alignment_context): Set
19893         ALIAS_SET_MEMORY_BARRIER on the MEM.
19894         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19896 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
19898         PR middle-end/25933
19899         * loop-unroll.c (unroll_loop_runtime_iterations): Free
19900         dom_bbs pointer.
19901         * tree-ssa-live.c (type_var_init): Allocate bitmap after
19902         call to tpa_init.
19904 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
19906         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19907         * regrename.c: Ditto.
19908         * tree-ssa-loop-im.c: Ditto.
19909         * tree-dump.c: Ditto.
19910         * tree-complex.c: Ditto.
19911         * genrecog.c: Ditto.
19912         * tree-ssa-threadupdate.c: Ditto.
19913         * tracer.c: Ditto.
19914         * java/class.c: Ditto.
19915         * java/jcf-parse.c: Ditto.
19916         * java/resource.c: Ditto.
19917         * java/except.c: Ditto.
19918         * java/jvspec.c: Ditto.
19919         * java/jcf-write.c: Ditto.
19920         * java/jcf-path.c: Ditto.
19921         * java/gjavah.c: Ditto.
19922         * java/zextract.c: Ditto.
19923         * java/jcf-io.c: Ditto.
19924         * java/jcf.h: Ditto.
19925         * java/buffer.c: Ditto.
19926         * java/lang.c: Ditto.
19927         * java/parse-scan.y: Ditto.
19928         * java/lex.c: Ditto.
19929         * java/lex.h: Ditto.
19930         * cfgloopmanip.c: Ditto.
19931         * postreload-gcse.c: Ditto.
19932         * tree-ssa-loop-manip.c: Ditto.
19933         * postreload.c: Ditto.
19934         * tree-ssa-loop-ch.c: Ditto.
19935         * loop.c: Ditto.
19936         * ipa-cp.c: Ditto.
19937         * cppspec.c: Ditto.
19938         * diagnostic.c: Ditto.
19939         * final.c: Ditto.
19940         * genoutput.c: Ditto.
19941         * gcc.c: Ditto.
19942         * cfghooks.c: Ditto.
19943         * cfgloopanal.c: Ditto.
19944         * objc/objc-act.c: Ditto.
19945         * gcov.c: Ditto.
19946         * genextract.c: Ditto.
19947         * genautomata.c: Ditto.
19948         * pretty-print.c: Ditto.
19949         * genemit.c: Ditto.
19950         * cgraphunit.c: Ditto.
19951         * flow.c: Ditto.
19952         * df-scan.c: Ditto.
19953         * haifa-sched.c: Ditto.
19954         * dominance.c: Ditto.
19955         * dbxout.c: Ditto.
19956         * tree-ssa-loop-ivopts.c: Ditto.
19957         * df-core.c: Ditto.
19958         * mode-switching.c: Ditto.
19959         * modulo-sched.c: Ditto.
19960         * graph.c: Ditto.
19961         * ipa-pure-const.c: Ditto.
19962         * cse.c: Ditto.
19963         * fix-header.c: Ditto.
19964         * web.c: Ditto.
19965         * tree-stdarg.c: Ditto.
19966         * ipa-utils.c: Ditto.
19967         * loop-init.c: Ditto.
19968         * ipa-inline.c: Ditto.
19969         * cfganal.c: Ditto.
19970         * global.c: Ditto.
19971         * alloc-pool.c: Ditto.
19972         * dwarf2out.c: Ditto.
19973         * opts.c: Ditto.
19974         * genattrtab.c: Ditto.
19975         * tree-ssa-loop-ivcanon.c: Ditto.
19976         * predict.c: Ditto.
19977         * timevar.c: Ditto.
19978         * lcm.c: Ditto.
19979         * fortran/gfortranspec.c: Ditto.
19980         * regmove.c: Ditto.
19981         * local-alloc.c: Ditto.
19982         * langhooks.c: Ditto.
19983         * function.c: Ditto.
19984         * tree-vectorizer.c: Ditto.
19985         * gcse.c: Ditto.
19986         * ipa-type-escape.c: Ditto.
19987         * alias.c: Ditto.
19988         * tree-if-conv.c: Ditto.
19989         * profile.c: Ditto.
19990         * ipa.c: Ditto.
19991         * tree-data-ref.c: Ditto.
19992         * loop-unroll.c: Ditto.
19993         * treelang/treetree.c: Ditto.
19994         * calls.c: Ditto.
19995         * bt-load.c: Ditto.
19996         * ggc-common.c: Ditto.
19997         * except.c: Ditto.
19998         * coverage.c: Ditto.
19999         * cselib.c: Ditto.
20000         * tree-cfgcleanup.c: Ditto.
20001         * tree-ssa-pre.c: Ditto.
20002         * cfgcleanup.c: Ditto.
20003         * loop-invariant.c: Ditto.
20004         * loop-iv.c: Ditto.
20005         * ipa-prop.c: Ditto.
20006         * print-tree.c: Ditto.
20007         * conflict.c: Ditto.
20008         * ggc-page.c: Ditto.
20009         * sched-deps.c: Ditto.
20010         * regclass.c: Ditto.
20011         * tree-object-size.c: Ditto.
20012         * combine.c: Ditto.
20013         * bb-reorder.c: Ditto.
20014         * resource.c: Ditto.
20015         * var-tracking.c: Ditto.
20016         * cfgloop.c: Ditto.
20017         * df-problems.c: Ditto.
20018         * reg-stack.c: Ditto.
20019         * tlink.c: Ditto.
20020         * gccspec.c: Ditto.
20021         * sched-rgn.c: Ditto.
20022         * tree-ssa-structalias.c: Ditto.
20023         * tree-ssa-reassoc.c: Ditto.
20024         * config/darwin-c.c: Ditto.
20025         * config/darwin.c: Ditto.
20026         * config/arm/arm.c: Ditto.
20027         * cfgrtl.c: Ditto.
20028         * collect2.c: Ditto.
20029         * reload1.c: Ditto.
20031 2006-01-31  Nicolas Pitre  <nico@cam.org>
20033         * arm.md (smaxsi3): Make aware of smax_m1.
20034         (smax_m1): New.
20036 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
20038         * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20040 2006-01-31  Richard Guenther  <rguenther@suse.de>
20042         * doc/invoke.texi (-msselibm): Document.
20043         * target.h (expand_library_builtin): New target hook.
20044         * builtins.c (expand_builtin): Use expand_library_builtin.
20045         (default_expand_library_builtin): New function.
20046         * gcc.c (LINK_GCC_MATH_SPEC): Define.
20047         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20048         (link_gcc_math_spec): Declare.
20049         (static_specs): Add link_gcc_math_spec.
20050         * expr.h (default_expand_library_builtin): Declare.
20051         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20052         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20053         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20054         * config/i386/i386.opt (msselibm): New target option.
20055         * config/i386/i386.c (ix86_builtin_function_variants): New array.
20056         (ix86_init_sse_abi_builtins): New function.
20057         (ix86_expand_library_builtin): Likewise.
20058         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20059         (override_options): Handle error conditions wrt -msselibm.
20060         (ix86_builtins): Add function codes for SSE2 ABI builtins.
20061         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20062         * doc/extend.texi (__builtin_sse2_*): Document new target specific
20063         builtins.
20065 2006-01-31  Richard Guenther  <rguenther@suse.de>
20066         Paolo Bonzini  <bonzini@gnu.org>
20068         * doc/install.texi (--disable-libgcc-math): Document.
20070 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
20072         * expr.h (expand_normal): new inline function.
20073         * builtins.c: use it, use EXPAND_NORMAL explicitely.
20074         * dojump.c: use it.
20075         * dwarf2out.c: use it.
20076         * expr.c: use it.
20077         * calls.c: use it.
20078         * expmed.c: use it.
20079         * except.c: use it.
20080         * config/sparc/sparc.c: use it.
20081         * config/i386/i386.c: use it.
20082         * config/rs6000/rs6000.c: use it.
20083         * config/arm/arm.c: use it.
20084         * config/mips/mips.c: use it.
20085         * stmt.c: use it, use EXPAND_NORMAL explicitely.
20087 2006-01-30  Roger Sayle  <roger@eyesopen.com>
20089         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20090         argv to the appropriate type.
20092 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
20094         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20095         unreachable code.
20097 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
20099         PR target/26018
20100         * config/s390/s390.c (struct machine_function): New flag
20101         decomposed_literal_pool_addresses_ok_p.
20102         (s390_reorg): Set it before final stage of literal pool transforms.
20103         (s390_decompose_address): Only accept displacements of the form
20104         (minus (label_ref ...) (label_ref ...)) if that flag is set.
20106 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
20108         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20109         the comparison routine return.
20111 2006-01-30  Michael Matz  <matz@suse.de>
20113         * global.c (find_reg): Only evict for global regs.
20114         Take n_refs into account and dump more info.
20116 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
20118         PR target/14798:
20119         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20120         (pragma_trap, pragma_nosave_low_regs): Likewise.
20121         (current_function_anonymous_args): Likewise.
20122         (sh_deferred_function_attributes): New variable.
20123         (sh_deferred_function_attributes_tail): Likewise.
20124         (print_operand): For '@', look up trap_exit attribute.
20125         (calc_live_regs): Look up trapa_handler attribute.  For trapa
20126         handlers, save/restore fpscr, but don't do any other
20127         interrupt-specific saves.
20128         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20129         Fix check for partially saved registers to check for SHmedia.
20130         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20131         (sh_output_function_epilogue): Don't clear any of the removed
20132         variables.
20133         (sh_insert_attributes): Don't check pragma_interrupt.
20134         Insert deferred attributes.  Check that interrupt attribute is
20135         present for other attributes that require its presence.
20136         (sh_attribute_table): Add new attributes trapa_handler and
20137         nosave_low_regs.
20138         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20139         Don't check for pragma_interrupt.  Don't store argument.
20140         * sh.h (pragma_interrupt, sp_switch): Don't declare.
20141         (sh_deferred_function_attributes): Declare.
20142         (sh_deferred_function_attributes_tail): Likewise.
20143         * sh.md (sp_switch_1): Add operand.  Change generator caller.
20144         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20145         (*return_i): Don't use when trap_exit attribute is in effect.
20146         (*return_trapa): New insn pattern.
20147         * sh-c.c: New file.
20148         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20149         setting c_target_objs and cxx_target_objs.
20150         * t-sh: Add rule for sh-c.o.
20152 2006-01-30  Richard Guenther  <rguenther@suse.de>
20154         PR c++/23372
20155         * gimplify.c (gimplify_target_expr): Handle easy cases
20156         without creating a temporary.
20158 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
20160         * vec.h (safe_grow): Remove duplicated line.
20162 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
20164         PR 25874
20165         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20166         (expand_omp): ... here.
20167         (expand_omp_parallel): Only remove barriers for combined
20168         parallel+workshare constructs.
20170 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
20172         Revert
20174         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
20175         * tree.c (build_qualified_type): Chain the new type to the original
20176         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20177         a POINTER_TYPE or a REFERENCE_TYPE respectively.
20178         (build_pointer_type_for_mode): Only return unqualified types.
20179         (build_reference_type_for_mode): Likewise.
20181 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
20183         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20184         * Makefile.in (CXX_COMPAT_WARN): Define.
20185         * configure: Regenerate.
20187 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
20189         PR tree-opt/25911
20190         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20191         to an if check.
20193 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20195         * toplev.c: Fix thinko.
20197 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20198             Marcin Dalecki  <martin@dalecki.de>
20200         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20201         (push_srcloc): Use XNEW.
20202         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20204 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
20206         * df-core.c (df_set_blocks): Deleted all variable.
20208 2006-01-28  Ian Lance Taylor  <ian@airs.com>
20210         * cgraphunit.c (cgraph_assemble_pending_functions): Call
20211         cgraph_output_pending_asms.
20213 2006-01-28  Zack Weinberg  <zackw@panix.com>
20215         * c.opt: Add -W(no-)overlength-strings.
20216         * doc/invoke.texi: Document it.
20217         * c-opts.c (c_common_handle_option): -pedantic implies
20218         -Woverlength-strings, if not explicitly disabled already.
20219         (c_common_post_options): -Woverlength-strings defaults to off, and
20220         is always off for C++.
20221         * c-common.c (fix_string_type): Issue warning about strings longer
20222         than is portable only if warn_overlength_strings.  Rearrange code
20223         a little for clarity.
20224         * configure.in: Check for -Wno-overlength-strings as well before
20225         enabling -pedantic in stage 1.
20226         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20227         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20229         * genconditions.c (write_header, write_one_condition)
20230         (write_conditions, write_writer): Consolidate very long strings
20231         that were broken up to fit in C89 portable limit.  Don't use
20232         printf when fputs will do.
20234 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
20236         * combine.c (simplify_comparison <AND>): Check
20237         TRULY_NOOP_TRUNCATION before start using a subreg.
20239         * config/mips/mips.md (*branch_zero<mode>,
20240         *branch_zero<mode>_inverted, *branch_equality<mode>,
20241         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20242         Remove mode check from comparisons.
20244 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
20246         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20248 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
20250         * expmed.c (const_mult_add_overflow_p): Remove.
20251         * expr.h: Remove the prototype for const_mult_add_overflow_p.
20253         * recog.c (validate_replace_rtx_subexp): Remove.
20254         * recog.h: Remove the prototype for
20255         validate_replace_rtx_subexp.
20257         * integrate.h: Remove the prototype for
20258         copy_decl_for_inlining.
20259         * rtl.h: Remove the prototype for mark_constant_function.
20260         * tree-vectorizer.h: Remove the prototype for
20261         vect_strip_conversion.
20263         * modulo-sched.c (create_partial_schedule,
20264         free_partial_schedule, reset_partial_schedule): Make them
20265         static.
20267         * hooks.c (hook_bool_rtx_int_false): Remove.
20268         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20270 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
20272         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20273         and -mlong-double-128 are incompatible.
20274         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20275         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20276         (TARGET_LIBGCC2_CFLAGS): Define.
20277         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20278         (TARGET_LIBGCC2_CFLAGS): Same.
20279         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20281 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
20283         PR c/19606.
20284         * c-typeck.c (build_binary_op): Perform implicit casts of
20285         operands before shortening them.
20287         * cfgloopmanip.c (split_loop_bb): Remove.
20288         * cfgloop.h: Remove the prototype for split_loop_bb.
20290         * cfgloop.c (flow_loop_outside_edge_p): Remove.
20291         * cfgloop.h: Remove the prototype for
20292         flow_loop_outside_edge_p.
20294         * emit-rtl.c (init_virtual_regs): Make it static.
20295         * function.h: Remove the prototype for init_virtual_regs.
20297         * recog.c (peephole2_optimize): Make it static.
20298         * recog.h: Remove the prototype for peephole2_optimize.
20300 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20302         * df-scan.c (df_record_entry_block_defs): Check if
20303         INCOMING_RETURN_ADDR_RTX is defined.
20305 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
20306             Kenneth Zadeck <zadeck@naturalbridge.com>
20308         PR rtl-optimization/24762
20309         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20310         * targhooks.c (hook_void_bitmap): New hook prototype.
20311         * targhoohs.h (hook_void_bitmap): Ditto.
20312         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20313         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20314         * target.h (live_on_entry): New function pointer.
20315         * df-scan.c (df_all_hard_regs): Removed.
20316         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20317         (df_scan_free_internal): Added df->entry_block_defs.
20318         (df_scan_alloc): Ditto.
20319         (df_scan_dump): Ditto.
20320         (df_uses_record): Plumbed flag field properly thru calls.
20321         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20322         This part fixes PR24762.
20323         (df_bb_refs_record): Added code to make the frame and arg
20324         pointers live in EH blocks.
20325         (df_refs_record): Added call to df_record_entry_block_defs.
20326         (df_record_entry_block_defs): New function.
20327         * df-core.c: Added comments to describe new artifical defs.
20328         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20329         (entry_block_defs): New field in struct df.
20330         (df_all_hard_regs): Deleted.
20331         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20332         * df-problems.c (df_ru_bb_local_compute_process_def):
20333         Added code to handle artifical defs in the entry to a function.
20334         (df_ru_bb_local_compute): Ditto.
20335         (df_rd_bb_local_compute_process_def): Ditto.
20336         (df_rd_bb_local_compute): Ditto.
20337         (df_lr_bb_local_compute): Ditto.
20338         (df_ur_bb_local_compute): Ditto.
20339         (df_urec_bb_local_compute): Ditto.
20340         (df_chain_create_bb): Ditto.
20341         (df_ur_local_finalize): Removed entry.
20342         (df_urec_init): Ditto.
20343         (df_urec_local_finalize): Ditto.
20344         (df_ri_bb_compute): Added detection of last use of pseudos.
20345         * Makefile.in (df-scan.o): Updated dependencies.
20346         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20347         * config/mips/mips.c (mips_set_live_on_entry): Added.
20348         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20349         for target hook.
20350         * dce.c (marked_insn_p): Added code to handle artifical defs.
20352 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
20354         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20355         intrinsic.
20356         (_mm_cvtsi128_si64): Likewise.
20357         (_mm_cvtsd_si64): Likewise.
20358         (_mm_cvttsd_si64): Likewise.
20359         (_mm_cvtsi64_sd): Likewise.
20360         (_mm_cvtsi64_si128): Likewise.
20361         * config/i386/mmintrin.h (_m_from_int64): Likewise.
20362         (_mm_cvtsi64_m64): Likewise.
20363         (_m_to_int64): Likewise.
20364         (_mm_cvtm64_si64): Likewise.
20365         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20366         (_mm_cvttss_si64): Likewise.
20367         (_mm_cvtsi64_ss): Likewise.
20368         (_mm_cvtss_f32): Likewise.
20370 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
20372         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20373         for pragma redefine_extname.
20375 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
20377         PR target/25864
20378         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20379         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20380         -mno-minimal-toc to previous content.
20381         (bispecs): Remove goal.
20382         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20383         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20384         compatibility aliases on powerpc-*-*gnu*.
20385         * config/rs6000/libgcc-ppc-glibc.ver: New file.
20386         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20387         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20388         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20389         (ldblspecs): New goal.
20390         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20391         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20392         _df_to_tf.
20393         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20394         L_sf_to_tf or L_df_to_tf is defined.
20396 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
20397             Alan Modra  <amodra@bigpond.net.au>
20399         PR target/25864
20400         * config/rs6000/linux.h (POWERPC_LINUX): Define.
20401         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20402         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20403         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20404         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20405         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20406         (rs6000_override_options): Initialize rs6000_ieeequad.
20407         Initialize TFmode format to ibm_extended_format if not
20408         TARGET_IEEEQUAD.
20409         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20410         ieeelongdouble.
20411         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20412         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20413         (function_arg_advance): IBM long double passed in two FPRs, not
20414         split.
20415         (function_arg): IBM long double passed in FPRs.
20416         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20417         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20418         Only multireg GPR aligned.
20419         (rs6000_init_libfuncs): Enable IBM long double functions if not
20420         IEEEQUAD.
20421         (rs6000_generate_compare): Use IBM long double compare if not
20422         TARGET_IEEEQUAD.
20423         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20424         (TARGET_IEEEQUAD): Define.
20425         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20426         not TARGET_IEEEQUAD.
20427         * config/rs6000/rs6000.md: Enable TFmode patterns if
20428         !TARGET_IEEEQUAD.
20429         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20430         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20431         and -mlong-double-128 are incompatible.
20432         * doc/invoke.texi (-mabi): Collect options together.  Add
20433         ibmlongdouble and ieeelongdouble.
20435 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
20437         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20438         opaque type.
20439         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20440         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20441         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20442         * rtl.h (rtunion_def): Remove rt_ptr.
20443         (X0PTR): Delete.
20444         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20445         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20446         * config/i386/winnt.c (i386_pe_mark_dllexport)
20447         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20449 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20451         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20453 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
20455         PR other/24829
20456         PR target/24831
20457         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20458         pthread_key_delete.  From John David Anglin.  gthrw-ify
20459         pthread_getunique_np only if it it's not a macro.  Delete
20460         UNUSED macro.
20461         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20462         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20463         __gthread_objc_condition_signal, __gthread_key_delete): Add
20464         "__attribute__ ((__unused__))" to unused arguments.
20465         (__gthread_recursive_mutex_init_function): Add missing return.
20466         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20467         gthr-posix95.h: Use macro-based approach for name redirection
20468         on targets missing weakref.
20470 2006-01-26  Zack Weinberg  <zackw@panix.com>
20472         * genconditions.c (write_header): In generated code, #ifdef out
20473         all includes and fake declarations, except includes of bconfig.h
20474         and system.h, unless GCC_VERSION >= 3001.  Do not include
20475         gensupport.h in any case.
20476         (write_conditions): Generate a definition of struct c_test.  Add
20477         a comment to the generated #endif.
20478         (write_one_condition): Escape backslashes in string too.
20479         (write_writer): Generated code must escape backslashes and quote
20480         marks (but not newlines) in the strings it writes.
20481         * Makefile.in (build/gencondmd.o): Update dependencies.
20483 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
20485         PR target/25961
20486         * Makefile.in (insn-automata.o): Add header file dependencies.
20487         * genautomata.c: Add includes.
20489 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
20491         PR target/25961
20492         * Makefile.in (insn-automata.o): Add -Wno-error flag.
20494 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
20496         * configure.ac: Expect target tools paths to be passed from the toplevel
20497         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
20498         AS_SET_VAR_IF.
20499         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20501 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
20503         PR c/25892
20504         * c.opt (Wpointer-sign): Init to -1.
20505         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20506         OPT_pedantic, to 0 otherwise.
20507         * doc/invoke.texi: Update.
20509 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
20511         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20512         constants provided by 80387 instructions in the destination mode.
20514 2006-01-26  Richard Guenther  <rguenther@suse.de>
20515             Andrew Pinski  <pinskia@physics.uc.edu>
20517         PR tree-opt/21470
20518         partial PR tree-opt/17064
20519         * tree-ssa-structalias.c (intra_create_variable_infos):
20520         Create heap variables for incoming parameters if
20521         flag_argument_noalias > 1.
20522         (find_what_p_points_to): Look through default defs of
20523         parameter decls.
20525 2006-01-26  Jeff Law  <law@redhat.com>
20527         PR ada/25900
20528         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20529         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20530         within the VR_RANGE, use the VR_RANGE as the result, not the
20531         VR_ANTI_RANGE.
20532         (adjust_range_with_scev): Reject ranges from SCEV which are out of
20533         bounds for the type.
20535 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
20537         * tree-ssa-alias.c (maybe_create_global_var): Change
20538         subvar walking to an assertion that we don't have subvar'd variables.
20540 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
20542         PR C/25861
20543         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20544         Use a new variable, inner.  PARM_DECLs are always non-weak.
20546 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
20548         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20549         --disable-checking.
20551 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
20553         * config/mips/mips.md (*clear_upper32): New combiner pattern.
20555 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
20557         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20558         (smax_insn, smin_insn, smax_0, smin_0): New.
20560 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
20562         PR target/25947
20563         * config/cris/cris.c (cris_order_for_addsi3): New function.
20564         * config/cris/cris-protos.h: Prototype it.
20565         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20566         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20567         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20568         (split for "op.S1 [rx=rx+i],ry (swapped)")
20569         (split for "op(s|u).S1 [rx=rx+i],ry")
20570         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20571         Apply cris_order_for_addsi3 when generating addsi3 insns.
20573 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
20575         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20576         (TREE_BLOCK): Add call to EXPR_CHECK.
20578 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
20580         PR 25886
20581         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20582         * tree-pretty-print.c (dump_omp_clause): Extract from ...
20583         (dump_omp_clauses): ... here.
20584         (dump_generic_node): Handle OMP_CLAUSE.
20585         * tree.c (omp_clause_num_ops): New.
20586         (omp_clause_code_name): New.
20587         (tree_code_size): Handle OMP_CLAUSE.
20588         (tree_size): Likewise.
20589         (make_node): Document handling of OMP_CLAUSE.
20590         (tree_node_structure): Handle OMP_CLAUSE.
20591         (omp_clause_check_failed): New.
20592         (omp_clause_range_check_failed): New.
20593         (omp_clause_operand_check_failed): New.
20594         (build_omp_clause): New.
20595         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20596         * tree.h (enum omp_clause_code): Declare.
20597         (OMP_CLAUSE_SUBCODE_CHECK): Define.
20598         (OMP_CLAUSE_RANGE_CHECK): Define.
20599         (OMP_CLAUSE_ELT_CHECK): Define.
20600         (omp_clause_check_failed): Declare.
20601         (omp_clause_operand_check_failed): Declare.
20602         (omp_clause_range_check_failed): Declare.
20603         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20604         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20605         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20606         (OMP_CLAUSE_LASTPRIVATE): Likewise.
20607         (OMP_CLAUSE_IF_EXPR): Likewise.
20608         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20609         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20610         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20611         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20612         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20613         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20614         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20615         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20616         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20617         (OMP_CLAUSE_CODE): Define.
20618         (OMP_CLAUSE_SET_CODE): Define.
20619         (OMP_CLAUSE_CODE): Define.
20620         (OMP_CLAUSE_OPERAND): Define.
20621         (struct tree_omp_clause): Declare.
20622         (union tree_node): Add field 'omp_clause'.
20623         * treestruct.def (TS_OMP_CLAUSE): Define.
20624         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20625         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20626         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20627         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20628         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20629         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20630         (OMP_CLAUSE): Define.
20631         * print-tree.c (print_node): Handle OMP_CLAUSE.
20632         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20633         * c-typeck.c: Likewise.
20634         * gimplify.c: Likewise.
20635         * c-omp.c: Likewise.
20636         * tree-nested.c: Likewise.
20637         * tree-inline.c: Likewise.
20638         * c-parser.c: Likewise.
20639         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20640         clauses.
20642 2006-01-25  Roger Sayle  <roger@eyesopen.com>
20644         PR rtl-optimization/25703
20645         * combine.c (try_combine): Handle zero_extract and strict_low_part
20646         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20648 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
20650         * global.c: Fix comment typos.
20652 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
20654         PR target/25758
20655         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20656         Use output_addr_const instead of assemble_name.
20658 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
20660         * Makefile.in (sched-vis.o): Update dependencies.
20661         * haifa-sched.c (sched_finish): Clear current_sched_info.
20662         * cfg.c (dump_bb_info): New, split from dump_flow_info.
20663         (dump_flow_info): Call it.
20664         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20665         a slim RTL dump.
20666         * basic-block.h (dump_bb_info): Declare.
20667         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20668         option, and apply options only for dump files whose TDF_RTL,
20669         TDF_TREE, or TDF_IPA bits match.
20670         * rtl.h: Declare new functions exported from sched-vis.c.
20671         * sched-vis.c: Enable also if scheduling is not used.
20672         (print_value): Print the mode of registers if not inside scheduling.
20673         (print_insn): Make it work outside the scheduler.  Beautify the output
20674         a bit.
20675         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20677 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
20679         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20680         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20681         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20682         depending on the value of CONSTANT_POOL_ADDRESS_P.
20683         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20684         SYMBOL_REF_DECL.
20685         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20686         rather than SYMBOL_REF_DECL.
20687         (rtx_constant_pool): Remove const_rtx_sym_htab.
20688         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20689         (init_varasm_status): Don't initialize const_rtx_sym_htab.
20690         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20691         Remove handling of const_rtx_sym_htab.
20692         (find_pool_constant): Delete.
20693         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20694         rather than find_pool_constant.
20695         (get_pool_constant_for_function): Delete.
20696         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20697         find_pool_constant.
20698         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20699         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20700         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20701         (SYMBOL_REF_CONSTANT): New macro.
20702         (get_pool_constant_for_function): Delete.
20703         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20704         rather than SYMBOL_REF_DECL.
20705         (i386_pe_mark_dllimport): Likewise.
20706         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20707         rather than SYMBOL_REF_DECL.
20708         * config/darwin.c (machopic_indirect_data_reference): Likewise.
20709         (machopic_indirect_call_target): Likewise.
20711 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
20713         * flow.c (delete_noop_moves): Add missing EOL to dump message.
20715 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
20717         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20719 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
20721         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20723 2006-01-24  David Daney  <ddaney@avtrex.com>
20725         PR java/25816
20726         * configure.ac (enable_tls): New enable option.
20727         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20728         * configure: Regenerate.
20729         * doc/install.texi (--enable-tls): Document new option.
20730         (--disable-tls): Ditto.
20732 2006-01-24  Richard Henderson  <rth@redehat.com>
20734         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20735         * alias.c (true_dependence): Respect it.
20736         (canon_true_dependence, write_dependence_p): Likewise.
20737         * builtins.c (get_builtin_sync_mem): Set it.
20739 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
20741         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20742         efficient way.
20744 2006-01-24  DJ Delorie  <dj@redhat.com>
20746         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20747         for storing constants in single-bit bitfields.
20749 2006-01-25  Ben Elliston  <bje@au.ibm.com>
20751         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20753 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
20755         PR tree-opt/25860
20756         * tree-ssa-pre.c (phi_translate): Return NULL
20757         for AGGREGATE_TYPE's.
20759 2006-01-24  Zack Weinberg  <zackw@panix.com>
20761         * genautomata.c (process_state_for_insn_equiv_partition):
20762         Use xcalloc for insn_arcs_array.
20763         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20764         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20766 2006-01-24  Richard Henderson  <rth@redhat.com>
20768         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20769         update all callers.
20771 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
20773         PR rtl-optimization/25890
20774         PR rtl-optimization/25905
20775         * combine.c (expand_compound_operation, expand_field_assignment):
20776         Fail if the bitfield's final position is out of bounds.
20778 2006-01-24  Ian Lance Taylor  <ian@airs.com>
20780         PR middle-end/25930
20781         * cgraphunit.c (cgraph_output_in_order): Don't clear
20782         cgraph_asm_nodes until after asm strings have been output.
20784 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
20786         * fix-header.c (read_scan_file): Add new parameter imultilib when
20787         calling register_include_chains.
20789 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
20791         * omp-low.c: Update documentation.
20793 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
20794             Daniel Berlin  <dberlin@dberlin.org>
20796         PR tree-opt/25315
20797         PR tree-opt/25857
20798         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20799         return from the function.
20801 2006-01-22  Zack Weinberg  <zackw@panix.com>
20803         * rtl.def (match_code): Add second argument.
20804         * genpreds.c (write_extract_subexp): New function.
20805         (write_match_code): Add path argument.  Use write_extract_subexp.
20806         (write_predicate_expr): Pass path to write_match_code.
20807         (mark_mode_tests): MATCH_CODE applied to a subexpression does
20808         not perform a mode test.
20809         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20810         a subexpression does not constrain the top-level code set.
20811         * read-rtl.c (read_rtx_variadic): New function.
20812         (read_rtx_1): Use it; allow AND and IOR to be variadic.
20813         * doc/md.texi: Document new notation.
20814         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20815         (cmpsi_operand): ... here, using new notation.
20817 2006-01-22  Zack Weinberg  <zackw@panix.com>
20819         * varray.c: Remove GENERATOR_FILE #ifdefs.
20821 2006-01-22  Zack Weinberg  <zackw@panix.com>
20823         * genautomata.c (output_reserved_units_table): Emit nothing if
20824         description->query_units_num is zero.  Remove extra blank line.
20825         (output_cpu_unit_reservation_p): Short circuit
20826         if description->query_units_num is zero.
20828 2006-01-22  Zack Weinberg  <zackw@panix.com>
20830         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
20831         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
20832         nor any of the random handful of variables that used to be necessary
20833         when this program was linked with rtlanal.o.  Prune set of forward
20834         function declarations.
20835         (struct attr_desc): Remove static_p field.
20836         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20837         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20838         (attr_string): Do not read the character one past the length of
20839         the string.
20840         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20841         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20842         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20843         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20844         (make_automaton_attrs): New.
20845         (main): Do not call into genautomata.  Call local gen_bypass
20846         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
20847         Remove special case for insn_alts.
20848         * genautomata.c: Include gensupport.h; not genattrtab.h nor
20849         varray.h (leftover from previous change).  Prune set of forward
20850         function declarations.  Remove state_alts fields from all
20851         structures.  Remove state_alts_table from struct automaton.
20852         Make everything except main static.  Do not maintain num_dfa_decls.
20853         Do not maintain state_alts fields of various structures.
20854         (process_decls): Don't validate condexp for dm_insn_reserv decls.
20855         (add_arc): Remove state_alts argument.  All callers updated.
20856         (output_reserved_units_table): Emit #ifdef here...
20857         (output_tables): ...not here.  Don't generate state_alts tables.
20858         (expand_automata): Don't generate attributes.
20859         (write_automata): Don't generate state_alts functions.
20860         (main): New function.
20861         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20862         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20863         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20864         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20865         (BYPASS_P_FUNC_NAME, output_state_alts_table)
20866         (output_automata_list_state_alts_code, output_internal_state_alts_func)
20867         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20868         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20869         Delete.
20870         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20871         * genattrtab.h: Delete file.
20872         * Makefile.in (OBJS-common): Add insn-automata.o.
20873         (insn-automata.o): New rule.
20874         (simple_generated_c): Add insn-automata.c.
20875         (build/genattrtab.o, build/genautomata.o): Update dependencies.
20876         (genprogmd): Add automata.
20877         (build/genattrtab): Needs no extra objects nor libraries.
20878         (build/genautomata): Needs build/vec.o and -lm.
20880 2006-01-22  Zack Weinberg  <zackw@panix.com>
20882         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20883         (output_dfa_max_issue_rate, locked_states_num): Delete.
20884         (struct automaton): Add locked_states field.
20885         (output_dead_lock_vect): Save number of locked states in
20886         automaton->locked_states.  If it is zero, don't print anything.
20887         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20888         (output_internal_dead_lock_func): Only test the dead_lock_vect
20889         for automata that have locked states.
20890         (output_statistics): Always print the number of locked states for
20891         each automaton.  Calculate total number of locked states here.
20892         (write_automata): Don't call output_dfa_max_issue_rate.
20893         * genattrtab.c: Define length_unit_log as a const variable.
20894         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
20895         max_insn_queue_index const.
20896         * final.c (length_unit_log): Declare const.
20897         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20899 2006-01-22  Zack Weinberg  <zackw@panix.com>
20901         * genautomata.c: Include vec.h, not varray.h.
20902         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20903         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
20904         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
20905         VEC_* macros operating on appropriately typed vectors, or to
20906         malloced arrays when the size is known in advance.  Const-ify
20907         many char* variables and function arguments.  No functional changes.
20908         * Makefile.in (build/varray.o): Delete rule.
20909         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20910         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20912 2006-01-22  Zack Weinberg  <zackw@panix.com>
20914         * gensupport.c: Define get_insn_name and record_insn_name here.
20915         (read_md_rtx): Call record_insn_name as appropriate.
20916         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20917         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20918         * genpreds.c, genrecog.c: Don't define get_insn_name nor
20919         record_insn_name.
20920         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20921         (BUILD_VARRAY): Delete.
20922         (genprognormal): Rename genprogmd.  Fold in all programs from
20923         genprognoprint; also attrtab.
20924         (build/genattrtab): Just mention genautomata.o and varray.o.
20925         Reorganize a bit, add comments to make the categories clearer.
20927 2006-01-22  Zack Weinberg  <zackw@panix.com>
20929         * genconditions.c (condition_table, add_condition): Delete.
20930         (write_conditions): Don't emit n_insn_conditions nor
20931         insn_elision_unavailable.  Issue the gcc version #ifdef here,
20932         inside the table, with no #else clause ...
20933         (write_header): ...not here.
20934         (write_writer): New function.
20935         (main): Don't initialize condition_table.  Use add_c_test.
20936         Call write_writer.
20937         * gensupport.c (init_md_reader_args_cb): Handle multiple input
20938         files on the command line.
20939         (maybe_eval_c_test): Don't check insn_elision_unavailable.
20940         Return -1 if there is no entry in the table, don't abort.
20941         (add_c_test, traverse_c_tests): New functions.
20942         * gensupport.h (insn_elision_unavailable, insn_conditions)
20943         (n_insn_conditions): Delete declarations.
20944         (add_c_test, traverse_c_tests): Declare.
20945         * read-rtl.c: Include gensupport.h.
20946         (read_conditions): New function.
20947         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20948         (read_rtx_1): If we get EOF when we were looking for an initial
20949         open paren, return 0.  Call read_conditions when appropriate.
20950         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20951         dummy-conditions.o.  Eliminate references to insn-conditions.o,
20952         or change them to build/gencondmd.o, as appropriate.  Remove
20953         insn-constants.h from $(simple_generated_h) and insn-conditions.c
20954         from $(simple_generated_c).  For all files remaining in those
20955         two lists, add insn-conditions.md to the generator command line.
20956         Give insn-constants.h/s-constants their own rules.  Add rules
20957         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20958         (build/read-rtl.o): Depend on gensupport.h.
20959         (genprognormal): Include preds.
20960         (genprogearly): Rename genprognoprint; only difference is now that
20961         they don't link with $(BUILD_PRINT).
20962         * dummy-conditions.c: Delete.
20964 2006-01-22  Zack Weinberg  <zackw@panix.com>
20966         * genextract.c: Don't include insn-config.h.  Do include vec.h.
20967         Declare vectors of int, char, and locstr.
20968         (locstr): New typedef.
20969         (struct extraction): Make all array fields into bare pointers.
20970         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20971         (insn_code_number): Delete.
20972         (accum_extract): New struct.
20973         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20974         (gen_insn): Take insn_code_number as an argument.  Use an
20975         accum_extract structure instead of loading data directly into
20976         a struct extraction, and having to know how big it might get.
20977         (walk_rtx): Operate entirely on an accum_extract structure.
20978         (print_path): Avoid unnecessary use of printf.
20979         (print_header): New function, split out of main.  Distinguish
20980         more carefully between an unrecognizable insn and an insn that
20981         has the code number of a define_expand.
20982         (main): Pass insn_code_number to gen_insn.  Call print_header
20983         only after parsing.  Avoid unnecessary use of printf.
20984         * Makefile.in (build/vec.o): New rule.
20985         (build/genextract): Depend on build/vec.o.
20986         (build/genextract.o): Don't depend on insn-config.h.
20988 2006-01-22  Zack Weinberg  <zackw@panix.com>
20990         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20991         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
20992         practical.  Eliminate per-generator-program link rules.
20994 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
20996         PR middle-end/24437
20997         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20998         with a call expr to ...
20999         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
21001 2006-01-23  Richard Guenther  <rguenther@suse.de>
21003         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21004         before make_edge with conditional EDGE_TRUE_VALUE.
21006 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
21007         Jan Hubicka  <jh@suse.cz>
21008         Richard Guenther  <rguenther@suse.de>
21010         PR rtl-optimization/25654
21011         * cfgexpand.c (aggregate_contains_union_type): New function.
21012         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
21013         for structure variables that contain a union type.
21015 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
21017         * gengtype.c (new_structure): Return the structure.
21018         (create_option): Add an extra "next" argument.
21019         (create_field): New function.
21020         (adjust_field_rtx_def): Use create_option and create_field.
21021         Remove a now-unnecessary call to find_structure.
21022         (adjust_field_tree_def): Likewise.
21023         (note_yacc_type): Remove an unnecessary call to find_structure.
21024         * gengtype.h (new_structure): Return the structure.
21025         (create_option): Add an extra argument.
21026         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21027         (option): Adjust calls to create_option.
21029 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
21031         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21033 2006-01-22  Paul Brook  <paul@codesourcery.com>
21034         Peter Barada  <peter@the-baradas.com>
21036         * config/m68k/m68k.md: Add Coldfire FPU support.
21037         Define FP mode macro and associated attributes.
21038         Use it for float mode patterns.
21039         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21040         (LIBCALL_VALUE): Use m68k_libcall_value.
21041         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21042         (m68k_function_value): Ditto.
21043         (emit_move_sequence): Ditto.
21044         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21045         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21046         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21047         (MULTILIB_EXCEPTIONS): Ditto.
21048         * config/m68k/m68k.opt: Add mcfv4e.
21049         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21050         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21051         (m68k_output_function_prologue): Save ColdFire FPU registers.
21052         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21053         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21054         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21055         ColdFire FPU registers.
21056         (m68k_libcall_value, m68k_function_value): New functions.
21057         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21058         (LIBCALL_VALUE): Use m68k_libcall_value.
21059         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21060         (MASK_COLDFIRE): Add MASK_CFV4E.
21061         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21062         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21063         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21064         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21065         (GO_IF_LEGITIMATE_ADDRESS): Use it.
21066         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21067         * doc/invoke.tex: Document -mcfv4e on m68k.
21069 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
21071         * doc/contribute.texi: Change CVS to SVN and update the corresponding
21072         URL.
21074 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
21076         PR c++/16190
21077         * c-opts.c (c_common_handle_option): Don't include
21078         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21079         * doc/invoke.texi (C++ Dialect Options): Document that
21080         -Wnon-virtual-dtor is no longer included in -Wall.
21082 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
21084         * gcov.c (print_version), gcov-dump.c (print_version),
21085         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21086         dates.
21088 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
21090         * df-scan.c (problem_SCAN): Added NULL reset function.
21091         (df_scan_reset_blocks): Added code to call reset block function
21092         (df_bb_refs_delete) Fixed comment.
21093         (df_insn_refs_delete): Made tolerant of deleting non existent info
21094         for dataflow problems that need to be reset.
21095         * df-core.c (df_set_blocks): Ditto.
21096         * df.h (struct df_problem): Added reset_fun.
21097         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21098         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21099         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21100         functions to clear out all references to def-use or use-def chains.
21102 2006-01-21  Ben Elliston  <bje@au.ibm.com>
21104         * varasm.c (assemble_real): Initialise data array.
21106 2006-01-20  Paul Brook  <paul@codesourcery.com>
21108         Merge from csl-arm-branch.
21109         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
21110         * config/arm/arm.md (movdi): Force operands[1] to a register
21111         if we have a non-register source.
21112         (*arm_movdi, *movdf_soft_insn): Require that one of the
21113         operands be a register.
21114         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21115         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21117 2006-01-20  DJ Delorie  <dj@redhat.com>
21119         * varasm.c (initializer_constant_valid_p): Allow pointers
21120         initialized from integer constants of lesser precision.
21121         (output_constant): Allow non-int-sized pointer modes to be
21122         initialized from integer constants.
21124 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
21126         PR libstdc++/25524
21127         * cppdefault.h (struct default_include): Add multilib flag.
21128         * cppdefault.c (cpp_include_defaults): Set it.
21129         * c.opt (-imultilib): New option.
21130         * c-opts.c (imultilib): New.
21131         (c_common_handle_option): Handle -imultilib.
21132         (c_common_post_options): Likewise.
21133         * c-incpath.c (add_standard_paths, register_include_chains):
21134         Likewise.
21135         * c-incpath.h (register_include_chains): Add extra parameter.
21136         * gcc.c (do_spec_1): Generate -imultilib option.
21137         (The Specs Language): Update %I description.
21138         (process_command): Update copyright notice.
21139         * doc/cppopts.texi (-imultilib): Document.
21140         * doc/invoke.texi (-imultilib): Include in option summary.
21141         (%I): Update specs documentation.
21143 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
21145         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21147 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
21149         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21150         label numbers.
21152 2006-01-20  Richard Guenther  <rguenther@suse.de>
21153         Steven Bosscher <stevenb.gcc@gmail.com>
21155         PR rtl-optimization/24626
21156         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21157         EDGE_TRUE_VALUE if in RTL mode.
21159         Revert
21160         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21161         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21163 2006-01-20  Dirk Mueller  <dmueller@suse.com>
21165         PR c++/5520
21166         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21167         instead of a special NOP marker.
21168         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21169         NOP marker handling.
21170         * c-common.h (empty_body_warning): Add forward declaration.
21171         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21172         Now uses IS_EMPTY_STMT() instead of special NOP markers.
21174 2006-01-20  Paul Brook  <paul@codesourcery.com>
21176         * Makefile.in (lang_checks): Keep going if mkdir fails.
21178 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
21180         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21181         be able to clean out basic block when not necessary.
21182         (df_scan_free): Fixed to properly delete information if df is
21183         unused before calling df_finish.
21184         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21185         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21186         or comment typos.
21187         (df_bb_refs_delete): New function.
21188         (df_refs_delete): Moved per block code to df_bb_refs_delete.
21189         * df-core.c (df_set_blocks): Added code to properly clean out
21190         unused blocks if they are not part of the blocks to consider.
21191         Added additional null check.
21192         (df_compact_blocks): Added basic block parameter to free_bb_fun to
21193         be able to clean out basic block when not necessary
21194         * df.h (df_free_bb_function): Ditto.
21195         (df_bb_refs_delete): New function.
21196         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21197         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21198         basic block parameter to be able to clean out basic block when not
21199         necessary.
21200         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21201         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21202         Fixed to properly delete information if df is unused before
21203         calling df_finish.
21205 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
21207         PR rtl-optimization/25799
21208         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21209         Corrected confluence operator to remove bits from op2 before oring
21210         with op1 rather than removing bits from op1.
21211         (df_ru_transfer_function): Corrected test on wrong bitmap which
21212         caused infinite loop.  Both of these problems were introduced in
21213         the dataflow rewrite.
21215 2006-01-19  DJ Delorie  <dj@redhat.com>
21217         * reload1.c (find_reload_regs): Note the details of reload
21218         failures in the dump file.
21219         (spill_failure): Likewise.
21221 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
21223         * loop-iv.c: Include df.h and hashtab.h.
21224         (enum iv_grd_result): New enum.
21225         (DF_REF_IV, DF_REF_IV_SET): New macros.
21226         (struct biv_entry): New.
21227         (df, bivs): New global variables.
21228         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21229         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21230         Removed.
21231         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21232         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21233         analyzed_for_bivness_p, record_biv): New functions.
21234         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21235         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21236         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21237         UD chains.
21238         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21239         analysed.
21240         (iv_number_of_iterations): Use new interface to iv analysis.
21241         * loop-unroll.c: Do not include varray.h.
21242         (analyze_iv_to_split_insn): Use new interface to iv
21243         analysis.
21244         * loop-unswitch.c (may_unswitch_on): Ditto.
21245         * df.c (df_bitmaps_free): Only work for bbs for that structures are
21246         allocated.
21247         (df_bb_modify): Realloc tables to the new index.
21248         (df_find_use): New function.
21249         * df.h (df_find_use): Declare.
21250         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21251         outmode.
21252         * cfgloop.h (struct rtx_iv): Remove analysed field.
21253         (iv_get_reaching_def): Removed.
21254         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21255         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21256         (loop-iv.o): Add df.h and hashtab.h dependency.
21257         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21259 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
21261         PR target/25668
21262         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21263         Double TFmode.
21264         (__floatundisf, __floatundidf): Likewise.
21265         * libgcc2.h (IS_IBM_EXTENDED): Define.
21267 2006-01-19  DJ Delorie  <dj@redhat.com>
21269         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21271 2006-01-19  Paul Brook  <paul@codesourcery.com>
21273         * config/arm/arm.c (arm_compute_func_type): Treat all functions
21274         as nothrow when unwinding tables are disabled.
21276 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21278         PR testsuite/25171
21279         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21280         of bit-field" when in system header.
21282 2006-01-19  DJ Delorie  <dj@redhat.com>
21284         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21285         the 16 bit shift limit of the m16c.
21287 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
21289         PR target/22099
21290         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21291         * config/i386/i386.c (output_set_got): Output the label if we have one
21292         for the TARGET_DEEP_BRANCH_PREDICTION case.
21294 2006-01-19  Jan Hubicka  <jh@suse.cz>
21295             H.J. Lu  <hongjiu.lu@intel.com>
21296             Evandro Menezes <evandro.menezes@amd.com>
21298         * invoke.texi (generic): Document
21299         (i686) Update.
21300         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21301         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21302         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21303         (x86_use_incdec, x86_pad_returns): New variables
21304         (TARGET_CPU_DEFAULT_generic): New constant
21305         (TARGET_CPU_DEFAULT_NAMES): Add generic.
21306         (enum processor_type): Add generic32 and generic64.
21307         * i386.md (cpu attribute): Add generic32/generic64
21308         (movhi splitter): Behave sanely when both partial_reg_dependency and
21309         partial_reg_stall are set.
21310         (K8 splitters): Enable for generic as well.
21311         * predicates.md (incdec_operand): Use TARGET_INCDEC
21312         (aligned_operand): Avoid memory mismatch stalls.
21313         * athlon.md: Enable for generic64, new patterns for 128bit moves.
21314         * ppro.md: Enable for generic32
21315         * i386.c (generic64_cost, generic32_cost): New.
21316         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21317         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
21318         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
21319         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21320         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21321         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21322         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21323         x86_accumulate_outgoing_args, x86_prologue_using_move,
21324         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21325         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21326         Enable for generic.
21327         (x86_use_incdec, x86_pad_returns): New.
21328         (override_options): Add generic32 and generic64, translate "generic"
21329         to generic32/generic64 and "i686" to "generic32", refuse
21330         "generic32"/"generic64" as arch target.
21331         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21332         (ix86_reorg): Honor PAD_RETURNS.
21334 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
21336         * tree-pretty-print.c (dump_generic_node): Handle
21337         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21338         * cgraph.c (cgraph_expand_queue): Rename from
21339         cgraph_analyze_queue.  Update all users.
21340         * cgraphunit.c (cgraph_assemble_pending_functions): Process
21341         cgraph_expand_queue.
21342         (cgraph_expand_all_functions): Likewise.
21343         (cgraph_finalize_pending_functions): Remove.  Update callers.
21345         * tree.h (OMP_DIRECTIVE_P): Define.
21346         (OMP_PARALLEL_FN): Define.
21347         (OMP_PARALLEL_DATA_ARG): Define.
21348         (OMP_SECTIONS_SECTIONS): Define.
21349         * tree-pass.h (pass_expand_omp): Declare.
21350         * omp-low.c (struct omp_region): Declare.
21351         (struct omp_context): Remove fields 'parallel_type',
21352         'parallel_start_ix' and 'parallel_start_additional_args'.
21353         Update all users.
21354         (struct omp_for_data): Rename from struct expand_omp_for_data.
21355         (omp_regions): New static variable.
21356         (root_omp_region): New static variable.
21357         (find_omp_clause): Make static.
21358         (is_in_combined_parallel_ctx): Remove.
21359         (is_combined_parallel): New.
21360         (extract_omp_for_data): Move earlier in the file.
21361         (workshare_safe_to_combine_p): New.
21362         (get_ws_args_for): New.
21363         (determine_parallel_type): Move earlier in the file.
21364         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21365         child function.
21366         (omp_copy_decl): Likewise.
21367         (create_omp_child_function): Likewise.
21368         (lookup_omp_region): New.
21369         (dump_omp_region): New.
21370         (debug_omp_region): New.
21371         (debug_all_omp_regions): New.
21372         (new_omp_region): New.
21373         (scan_omp_parallel): If parallel_nesting_level > 1, the
21374         directive is nested within another parallel directive.
21375         Set OMP_PARALLEL_FN.
21376         (scan_omp_for): Do not try to handle combined parallel+for
21377         cases.
21378         Remove FIXME comment.
21379         (scan_omp_nested): Remove.
21380         (scan_omp_1): Do not call scan_omp_nested when
21381         parallel_nesting_level is > 1.
21382         Do not change the DECL_CONTEXT of local variables found.
21383         (lookup_decl_in_outer_ctx): New.
21384         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21385         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21386         (lower_reduction_clauses): Rename from expand_reduction_clauses.
21387         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21388         If CTX is nested, lookup VAR in the outer context when
21389         building copy assignment.
21390         (lower_send_clauses): Rename from expand_send_clauses.
21391         If CTX is nested, lookup VAR in the outer context when
21392         building copy assignments.
21393         (lower_send_shared_vars): Rename from expand_send_shared_vars.
21394         If CTX is nested, lookup VAR in the outer context when
21395         building copy assignments.
21396         (expand_parallel_call): Rename from build_parallel_call.
21397         Handle combined parallel+workshare cases.
21398         Re-implement to emit code into the CFG.
21399         (list2chain): New.
21400         (expand_omp_parallel): Re-implement to emit code into the CFG.
21401         Call move_sese_region_to_fn to outline the sub-graph
21402         containing the parallel region.
21403         (expand_omp_for_1): Remove.
21404         (expand_omp_for_generic): Re-implement to emit code into the
21405         CFG.
21406         (expand_omp_for_static_nochunk): Likewise.
21407         (expand_omp_for_static_chunk): Likewise.
21408         (expand_omp_for): Likewise.
21409         (expand_omp_sections): Likewise.
21410         (remove_exit_barriers): New.
21411         (expand_omp_synch): New.
21412         (expand_omp): New.
21413         (build_omp_regions_1): New.
21414         (build_omp_regions): New.
21415         (execute_expand_omp): New.
21416         (gate_expand_omp): New.
21417         (pass_expand_omp): Define.
21418         (lower_omp_sections): Rename from expand_omp_sections.
21419         Set OMP_SECTIONS_SECTIONS.
21420         (lower_omp_single_simple): Rename from expand_omp_single_simple.
21421         (lower_omp_single_copy): Rename from expand_omp_single_copy.
21422         (lower_omp_single): Rename from expand_omp_simple.
21423         (lower_omp_master): Rename from expand_omp_master.
21424         (lower_omp_ordered): Rename from expand_omp_ordered.
21425         (lower_omp_critical): Rename from expand_omp_critical.
21426         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21427         (lower_omp_for): Re-implement.
21428         (lower_omp_parallel): Re-implement.
21429         (lower_regimplify): Rename from expand_regimplify.
21430         (lower_omp_1): Rename from expand_omp_1.
21431         If there are syntax errors in the program, replace every
21432         OpenMP directive with NOP.
21433         Call lower_omp_* instead of expand_omp_*.
21434         (lower_omp): Rename from expand_omp.
21436         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21437         * tree-gimple.h (enum omp_parallel_type): Remove.
21438         (gimple_boolify): Declare extern.
21439         (find_omp_clause, determine_parallel_type): Remove.
21441         * gimple-low.c (lower_omp_directive): New.
21442         (lower_stmt): Call it.
21443         (record_vars_into): Move from ...
21444         (record_vars): ... here.
21445         Call record_vars_into with current_function_decl.
21447         * gimplify.c (struct gimplify_ctx): Remove fields
21448         combined_pre_p and combined_ctxp.  Update users.
21449         (get_formal_tmp_var): Add documentation.
21450         (gimple_boolify): Make extern.
21451         (gimplify_expr_in_ctx): Remove.  Update callers.
21452         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21453         will always be a BIND_EXPR.
21454         (gimplify_expr): Handle OMP_RETURN_EXPR.
21455         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21456         (OMP_PARALLEL): Add 3 operands.
21457         (OMP_SECTIONS): Add 1 operand.
21458         (OMP_RETURN_EXPR): Define.
21460         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21461         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21462         * tree-iterator.c (alloc_stmt_list): Assert that we are not
21463         creating a circular free list.
21464         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21466         * tree-flow.h (move_sese_region_to_fn): Declare.
21467         (record_vars_into): Declare.
21468         * tree-cfg.c (make_omp_sections_edges): New.
21469         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21470         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21471         OMP_SECTIONS and OMP_SECTION.
21472         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21473         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21474         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21475         (gather_blocks_in_sese_region): New.
21476         (struct move_stmt_d): Declare.
21477         (move_stmt_r): New.
21478         (move_block_to_fn): New.
21479         (move_sese_region_to_fn): New.
21481         * passes.c (init_optimization_passes): Schedule
21482         pass_expand_omp after pass_init_datastructures.
21484         * tree-ssa-operands.c (get_expr_operands): Handle
21485         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21486         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21488 2006-01-19  Jeff Law  <law@redhat.com>
21490         * tree-vrp.c (extract_range_from_assert): Refine the result range
21491         if the variable referenced by the ASSERT_EXPR has a range and
21492         either the tentative result range or the previous range is a
21493         VR_ANTI_RANGE.
21495 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
21497         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21499 2006-01-19  Jan Hubicka  <jh@suse.cz>
21501         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21503 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
21505         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21506         (expand_compound_operation, expand_field_assignment): Fail if the
21507         bit lengths of an extract operation are out of range.
21508         (make_extraction): Compute wanted_inner_mode based on the position
21509         and length of the extraction.  Make it extraction_mode for non-constant
21510         positions, and do not modify offset in that case.  When generating a
21511         new MEM, use a mode that can hold the extraction while keeping correct
21512         alignment.  Remove code that supported MEMs wrapped by USEs.
21513         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21515 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
21517         * config/s390/s390.md ("Y", "y"): New mode attribute.
21518         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21519         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21520         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21521         "*addsi3_imm_cc", "*addsi3_carry1_cc",
21522         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21523         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21524         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21525         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21526         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21527         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21528         "addsi3", "subsi3"): Insn patterns removed.
21529         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21530         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21531         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21532         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21533         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21534         "*sub<mode>3_cconly2"): New insn patterns.
21535         ("addsi3", "subsi3"): New expanders.
21537 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
21539         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21540         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21541         existing STMT_VINFO_VECTYPE if available.
21542         (vect_mark_relevant): Add special handling for stmts that are
21543         marked as STMT_VINFO_IN_PATTERN_P.
21544         (vect_analyze_loop): Call vect_pattern_recog.
21545         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21546         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21547         stmt_info.
21548         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21549         (vect_recog_func_ptr): New function-pointer type.
21550         * tree-vect-patterns.c: New file.
21551         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21552         (vect_recog_dot_prod_pattern, vect_pattern_recog):
21553         (vect_pattern_recog_1): New functions.
21554         (vect_pattern_recog_funcs): New array of function pointers.
21556         * tree-vectorizer.h (ternary_op): New enum value.
21557         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21558         declaration. Revised documentation. Removed redundant dump prints.
21559         Removed redundant argument. Added support for reduction patterns.
21560         (vectorizable_reduction): Added support for reduction patterns.
21561         (vect_transform_stmt): Added support for patterns.
21563         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21564         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21565         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21566         (expand_widen_pattern_expr): New function.
21567         (init_optabs): Initialize new optabs udot_prod_optab,
21568         sdot_prod_optab.
21569         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21570         (sdot_prod_optab, udot_prod_optab): Define new optabs.
21571         (expand_widen_pattern_expr): New function declaration.
21572         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21573         tree-codes.
21574         * tree-inline.c (estimate_num_insns_1): Added cases for new
21575         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21576         * tree-pretty-print.c (dump_generic_node): Likewise.
21577         (op_prio): Likewise.
21578         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21579         * tree-ssa-operands.c (get_expr_operands): Added case for
21580         DOT_PROD_EXPR.
21581         * tree-vect-patterns.c (widened_name_p): New function.
21582         (vect_recog_dot_prod_pattern): Added function implementation.
21583         * tree-vect-transform.c (get_initial_def_for_reduction): Added
21584         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21585         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21586         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21588         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21589         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21590         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21591         (init_optabs): Initialize new optabs widen_ssum_optab,
21592         widen_usum_optab.
21593         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21594         (widen_ssum_optab, widen_usum_optab): Define new optabs.
21595         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21596         use instead of type of def.
21597         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21598         function implementation.
21599         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21600         widen_ssumv8hi): New.
21602         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21603         patterns.
21605 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
21607         PR c/25805
21608         * c-decl.c (add_flexible_array_elts_to_size): New function.
21609         (finish_decl): Use it.
21611 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
21613         * diagnostic.h: Include options.h.
21614         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21615         dependancies for diagnostic.h.
21616         * Makefile.in (DIAGNOSTIC_H): Add options.h.
21618 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
21620         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21621         (ssa_ro_call_cache_valid): Ditto.
21622         * tree-ssa-alias.c (sort_tags_by_id): New function.
21623         (init_transitive_clobber_worklist): Ditto.
21624         (add_to_worklist): Ditto.
21625         (mark_aliases_call_clobbered): Ditto.
21626         (compute_tag_properties): Ditto.
21627         (set_initial_properties): Ditto.
21628         (compute_call_clobbered): Ditto.
21629         (compute_may_aliases):  Call compute_call_clobbered and grouping.
21630         (compute_flow_sensitive_aliasing): Remove clobbering related code.
21631         (compute_flow_insensitive_aliasing): Grouping now happens in our
21632         caller.
21633         (setup_pointers_and_addressables): Remove clobbering related code.
21634         (add_may_alias): Ditto.
21635         (replace_may_alias): Ditto.
21636         (get_nmt_for): Ditto.
21637         (create_global_var):
21638         (is_escape_site): Return an escape_type enumeration.
21639         * tree-flow-inline.h (is_call_clobbered): Global var does not
21640         imply call clobbered.
21641         (mark_call_clobbered): Take a reason for marking this. Remove
21642         marking of globalness, and cache invalidation.
21643         (clear_call_clobbered): Remove cache invalidation code.
21644         * tree-dfa.c (dump_variable): If details is on, dump the reason
21645         for escaping.
21646         * tree-outof-ssa.c (create_temp): Copy escape mask from original
21647         variable.
21648         * tree-flow.h (struct ptr_info_def): Add escape mask member.
21649         (struct var_ann_d): Ditto.
21650         (enum escape_type): New.
21651         (mark_call_clobbered): Adjust prototype.
21652         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21653         are never call clobbered.
21654         Record reasons for escaping.
21655         * tree-ssa-structalias.h (is_escape_site): Update prototype.
21656         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21657         (ssa_ro_call_cache_valid): Ditto.
21658         (clobbered_v_may_defs): Ditto.
21659         (clobbered_vuses): Ditto.
21660         (ro_call_vuses): Ditto.
21661         (clobber_stats): New.
21662         (init_ssa_operands): Zero out clobber stats.
21663         (fini_ssa_operands): Print out clobber stats.
21664         (get_call_expr_operands): Pass callee fndecl to
21665         add_call_read_ops).
21666         (add_call_clobber_ops): Remove use of cache.
21667         Add use of PURE_CONST information.
21668         (add_call_read_ops): Remove use of cache.
21669         Add use of static not_read information.
21671 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
21673         Introduce TLS descriptors for i386 and x86_64.
21674         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21675         (TARGET_ANY_GNU_TLS): New macro.
21676         (enum tls_dialect): Added TLS_DIALECT_GNU2.
21677         (struct machine_function): Add tls_descriptor_call_expanded_p.
21678         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21679         (ix86_current_function_calls_tls_descriptor): Likewise.
21680         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21681         (override_options): Introduce gnu2 tls dialect.
21682         (ix86_frame_pointer_required): Functions containing TLSCALLs are
21683         not leaves.
21684         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21685         Likewise.
21686         (legitimize_tls_address): Adjust logic for GNU2 TLS.
21687         (ix86_init_machine_status): Initialize new field.
21688         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21689         (ix86_tls_module_base): New.
21690         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21691         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21692         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21693         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21694         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21695         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21696         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21697         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21698         * config/i386/predicates.md (tls_modbase_operand): New.
21699         (tp_or_register_operand): New.
21701 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
21703         * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21704         (look_for_address_of): Ditto.
21705         (ipa_init): Walk the function decls.
21706         (static_execute): Don't set readonly on FUNCTION_DECL's.
21708 2006-01-18  Roger Sayle  <roger@eyesopen.com>
21710         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21711         for shifts where the source and destination registers are different.
21713 2006-01-18  Paul Brook  <paul@codesourcery.com>
21715         Merge from csl-arm-branch.
21716         2005-03-14  Julian Brown  <julian@codesourcery.com>
21717         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21718         (aeabi_llsl): Likewise.
21719         (ashrdi3): Likewise.
21720         (aeabi_lasr): Likewise.
21721         (lshrdi3): Likewise.
21722         (aeabi_llsr): Likewise.
21723         2005-03-10  Julian Brown  <julian@codesourcery.com>
21724         * config.gcc: Disable shared libgcc for SymbianOS.
21725         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21727 2006-01-18  DJ Delorie  <dj@redhat.com>
21729         * c-pragma.c (handle_pragma_diagnostic): New.
21730         (init_pragma): Register it.
21731         * doc/extend.texi: Document it.
21733         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21734         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21735         (diagnostic_context): Add classify_diagnostic[].
21736         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21737         as errors if they're overridden to DK_WARNING.
21738         (diagnostic_initialize): Initialize classify_diagnostic[].
21739         (diagnostic_set_kind_override): New.
21740         (diagnostic_report_diagnostic): Check for kind changes.
21741         * opts.c (common_handle_option): Take lang_mask.  Update callers.
21742         Handle OPT_Werror_.
21743         * common.opt (Werror=): New.
21744         * doc/invoke.texi: Document -Werror=*
21746 2006-01-18  Jeff Law  <law@redhat.com>
21748         * tree-vrp.c (test_for_singularity): Correct test for new
21749         min limit.  Use operand_equal_p rather than pointer equality
21750         for testing if new min/max values are equal.
21752         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21753         using range information until after propagation and folding.
21755 2006-01-18  Richard Henderson  <rth@redhat.com>
21756             Aldy Hernandez  <aldyh@redhat.com>
21757             Jakub Jelinek  <jakub@redhat.com>
21758             Diego Novillo  <dnovillo@redhat.com>
21760         * omp-low.c: New file.
21761         * c-omp.c: New file.
21763 2006-01-18  Richard Henderson  <rth@redhat.com>
21764             Jakub Jelinek  <jakub@redhat.com>
21765             Diego Novillo  <dnovillo@redhat.com>
21767         * doc/invoke.texi: Document -fopenmp.
21768         * tree-dump.h (debug_function): Declare.
21769         * hooks.c (hook_bool_tree_bool_false): New function.
21770         (hook_tree_tree_null): Remove.
21771         (hook_tree_tree_tree_null): New.
21772         * hooks.h: Update to match.
21773         * tree-pretty-print.c (debug_tree_chain): New.
21774         (print_generic_expr): Handle TDF_CHAIN.
21775         (dump_generic_node): Handle BLOCK.
21776         Do not abort with incomplete SWITCH_EXPRs.
21777         Do not dump body of an OpenMP directive if TDF_SLIM is given.
21778         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21779         print space after directive name.
21780         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21781         Handle OMP_MASTER and OMP_ORDERED.
21782         Handle printing of OMP_BODY just in one place, goto
21783         dump_omp_body in the rest of OMP_* nodes that have
21784         OMP_BODY.
21785         Don't handle clause nodes here.  Update omp statements to
21786         use dump_omp_clauses.
21787         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21788         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21789         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21790         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21791         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21792         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21793         Adjust output for GOMP_PARALLEL.
21794         (dump_omp_clauses): New.
21795         (print_declaration): Dump DECL_VALUE_EXPR.
21796         (op_symbol_1): Split out of op_symbol.
21797         (dumping_stmts): Remove.  Update all users.
21798         * cgraph.c (cgraph_analyze_queue): New.
21799         (cgraph_add_new_function): New.
21800         * cgraph.h (cgraph_analyze_queue): Declare.
21801         (cgraph_add_new_function): Declare.
21802         (cgraph_lower_function): Remove.
21803         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21804         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21805         and TYPE_P nodes in its default clause.
21806         (empty_body_p): New.
21807         (tree_range_check_failed): New.
21808         (build5_stat): New.
21809         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21810         OMP_CLAUSE_REDUCTION_MERGE,
21811         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21812         OMP_CLAUSE_PRIVATE_DEBUG,
21813         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21814         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21815         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21816         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21817         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21818         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21819         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21820         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21821         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21822         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21823         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21824         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21825         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21826         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21827         (TREE_RANGE_CHECK): New.
21828         (empty_body_p): Declare.
21829         (enum omp_clause_default_kind): New.
21830         (build_string_literal): Declare.
21831         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21832         (build5_stat, build5): Declare.
21833         * tree-pass.h (TDF_CHAIN): Define.
21834         * tree-pass.h (PROP_gimple_lomp): Define.
21835         (pass_lower_omp): Declare.
21836         * diagnostic.h (debug_tree_chain): Declare.
21837         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21838         mode_for_size.
21839         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21840         * builtins.c (build_string_literal): Make extern.
21841         * gcc.c (include_spec_function): New.
21842         (static_spec_functions): Add it.
21843         (main): Move load of libgomp.spec ...
21844         (LINK_COMMAND_SPEC): ... here.
21845         (link_gomp_spec): New.
21846         (static_specs): Include it.
21847         (LINK_COMMAND_SPEC): Add link_gomp.
21848         (GOMP_SELF_SPECS): New.
21849         (driver_self_specs): Include it.
21850         (switch_matches): Don't mark inline.
21851         (main): Load libgomp.spec.
21852         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21853         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21854         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21855         * tree-gimple.h (enum omp_parallel): Declare.
21856         (determine_parallel_type): Declare.
21857         (omp_firstprivatize_variable): Declare.
21858         (omp_reduction_init): Declare.
21859         (diagnose_omp_structured_block_errors): Declare.
21860         (struct walk_stmt_info): Add want_return_expr.
21861         (struct walk_stmt_info): Add want_bind_expr, want_locations.
21862         (find_omp_clause): Declare.
21863         (insert_field_into_struct): Declare.
21864         (struct walk_stmt_info): Move from tree-nested.c
21865         (walk_stmts): Declare.
21866         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21867         to 200505.
21868         * cgraphunit.c (cgraph_lower_function): Make static.
21869         (cgraph_finalize_pending_functions): New.
21870         (cgraph_finalize_function): Call it.
21871         (cgraph_finalize_compilation_unit): Likewise.
21872         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21873         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21874         (BT_FN_UINT_UINT): New.
21875         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21876         DEF_FUNCTION_TYPE_VAR_4): Document.
21877         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21878         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21879         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21880         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21881         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21882         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21883         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21884         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21885         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21886         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21887         into separate files.
21888         (DEF_GOMP_BUILTIN): New.
21889         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21890         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21891         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21892         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21893         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21894         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21895         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21896         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21897         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21898         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21899         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21900         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21901         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21902         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21903         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21904         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21905         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21906         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21907         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21908         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21909         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21910         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21911         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21912         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21913         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21914         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21915         * sync-builtins.def: New file, moved from builtins.def.
21916         * omp-builtins.def: New file, moved from builtins.def.
21917         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21918         * gimple-low.c (lower_function_body): Clear data.
21919         (lower_stmt): Do not handle COMPOUND_EXPR.
21920         Remove call to print_node_brief.
21921         * c-tree.h (c_finish_omp_clauses): New prototype.
21922         (C_DECL_THREADPRIVATE_P): Define.
21923         (lookup_name_no_remap, c_omp_remap_private): Remove
21924         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21925         (check_for_loop_decls): Update decl.
21926         (lookup_name_no_remap, c_omp_remap_private): Declare.
21927         (build_indirect_ref, build_modify_expr, pushdecl,
21928         pushdecl_top_level): Move to c-common.h.
21929         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21930         before the switch, but just in the 2 places that need it.
21931         * c-decl.c (diagnose_mismatched_decls): Do not check for
21932         mismatched thread-local attributes when OLDDECL is marked
21933         threadprivate and NEWDECL has no thread-local attributes.
21934         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21935         (c_gimple_diagnostics_recursively): Rename from
21936         c_warn_unused_result_recursively.  Invoke
21937         diagnose_omp_structured_block_errors.
21938         (check_for_loop_decls): Return a singular decl found.
21939         * langhooks.c (lhd_omp_predetermined_sharing): Return
21940         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21941         (lhd_omp_firstprivatize_type_sizes): New.
21942         (lhd_omp_assignment): New.
21943         (lhd_omp_predetermined_sharing): New.
21944         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21945         (struct lang_hooks_for_types): Add
21946         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21947         omp_predetermined_sharing, omp_disregard_value_expr,
21948         omp_private_debug_clause, omp_clause_default_ctor,
21949         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21950         (c_finish_omp_clauses): New.
21951         (c_finish_bc_stmt): Diagnose break within omp for.
21952         (c_begin_omp_parallel, c_finish_omp_parallel): New.
21953         (build_unary_op): Return error_mark after reporting
21954         a readonly_error.
21955         (build_modify_expr): Likewise.
21956         * gimplify.c: Include optabs.h and pointer-set.h.
21957         (enum gimplify_omp_var_data): Declare.
21958         (struct gimplify_omp_ctx): Declare.
21959         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21960         and combined_ctxp.
21961         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21962         (push_gimplify_context, pop_gimplify_context): Allow nesting.
21963         (splay_tree_compare_decl_uid): New.
21964         (new_omp_context): New.
21965         (delete_omp_context): New.
21966         (gimple_add_tmp_var): Call omp_add_variable.
21967         (gimplify_bind_expr): Likewise.
21968         (gimplify_var_or_parm_decl): If omp_notice_variable returned
21969         true, disregard DECL_VALUE_EXPR on the decl if any.
21970         (gimplify_expr_in_ctx): New.
21971         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21972         omp_add_variable, omp_notice_variable, omp_is_private
21973         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21974         gimplify_adjust_omp_clauses, gimplify_omp_parallel
21975         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21976         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21977         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21978         gimplify_omp_atomic): New.
21979         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21980         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21981         OMP_CRITICAL and OMP_ATOMIC.
21982         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21983         * c-pragma.h (enum pragma_kind): Add
21984         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21985         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21986         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21987         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21988         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21989         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21990         PRAGMA_OMP_THREADPRIVATE.
21991         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21992         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21993         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21994         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21995         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21996         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21997         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21998         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21999         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22000         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22001         * tree-ssa-dce.c (find_control_dependence): Do not assume that
22002         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22003         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22004         OpenMP directives.
22005         (struct nesting_info): Add field_map,
22006         suppress_expansion, debug_var_chain.
22007         (create_nesting_tree): Initialize them.
22008         (lookup_field_for_decl): Use field_map.
22009         (get_nonlocal_debug_decl, get_local_debug_decl): New.
22010         (convert_local_omp_clauses): New.
22011         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22012         (walk_body): Split out of walk_function.
22013         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22014         (convert_nonlocal_reference): Handle omp statements.
22015         (convert_local_reference): Likewise.
22016         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22017         (unnest_nesting_tree): New.
22018         (lower_nested_functions): Call it.
22019         (insert_field_into_struct): Make extern.
22020         (struct walk_stmt_info): Move to tree-gimple.h.
22021         (walk_stmts): Make extern.
22022         * omp-builtins.def: New file.
22023         * tree-iterator.c (expr_only): Clarify comment.
22024         * c-common.h (pushdecl_top_level, pushdecl,
22025         build_modify_expr, build_indirect_ref,
22026         c_finish_omp_master, c_finish_omp_critical,
22027         c_finish_omp_ordered, c_finish_omp_barrier,
22028         c_finish_omp_atomic, c_finish_omp_flush,
22029         c_finish_omp_for, c_split_parallel_clauses,
22030         omp_clause_default_kind, c_omp_sharing_predetermined,
22031         c_omp_remap_decl): Declare.
22032         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22033         (OBJS-common): Add omp-low.o.
22034         (c-omp.o, omp-low.o): Add.
22035         (gimplify.o): Add dependency on $(OPTABS_H).
22036         (GTFILES): Add omp-low.c.
22037         (gt-stringpool.h): Add.
22038         * tree-cfg.c (set_bb_for_stmt): Do not update the
22039         block-to-labels map if we are currently expanding to RTL.
22040         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22041         checks.
22042         Handle IDENTIFIER_NODE.
22043         (tree_verify_flow_info): Do not ICE when emitting error
22044         messages about invalid labels.
22045         (dump_function_to_file): Reset CFUN before emitting the body
22046         of the function.
22047         (debug_function): New.
22048         * passes.c (init_optimization_passes): Schedule
22049         pass_lower_omp.
22050         * langhooks-def.h (lhd_omp_predetermined_sharing,
22051         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22052         Declare.
22053         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22054         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22055         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22056         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22057         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22058         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22059         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22060         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22061         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22062         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22063         (LANG_HOOK_DECLS): Use them.
22065 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22066             Richard Henderson  <rth@redhat.com>
22067             Jakub Jelinek  <jakub@redhat.com>
22068             Diego Novillo  <dnovillo@redhat.com>
22070         * c-parser.c (pragma_omp_clause): Define.
22071         (c_parser_declaration_or_fndef): Document OpenMP syntax.
22072         (c_parser_compound_statement): Likewise.
22073         (c_parser_statement): Likewise.
22074         (c_parser_pragma): Handle omp pragmas.
22075         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22076         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22077         (c_parser_omp_clause_name, check_no_duplicate_clause,
22078         c_parser_omp_variable_list,
22079         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22080         c_parser_omp_clause_copyprivate,
22081         c_parser_omp_clause_default,
22082         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22083         c_parser_omp_clause_lastprivate,
22084         c_parser_omp_clause_nowait,
22085         c_parser_omp_clause_num_threads,
22086         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22087         c_parser_omp_clause_reduction,
22088         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22089         c_parser_omp_all_clauses, c_parser_omp_structured_block,
22090         c_parser_omp_atomic, c_parser_omp_barrier,
22091         c_parser_omp_critical, c_parser_omp_flush,
22092         c_parser_omp_for_loop, c_parser_omp_for,
22093         c_parser_omp_master, c_parser_omp_ordered,
22094         c_parser_omp_sections_scope, c_parser_omp_sections,
22095         c_parser_omp_parallel, c_parser_omp_single,
22096         c_parser_omp_construct, c_parser_omp_threadprivate): New.
22097         * c-pragma.c (init_pragma): Do omp pragma registration here.
22098         * c.opt (fopenmp): New flag.
22100 2006-01-18  Eric Christopher  <echristo@apple.com>
22102         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22103         * config/darwin.h (GOMP_SELF_SPECS): Define.
22105 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22107         * rtl.h: Remove the prototype for reg_alloc.
22109 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22111         PR target/25731
22112         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22113         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22114         sjlj and dwarf2 exception handling.
22115         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22116         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22117         * pa/pa.c (function_value): Treat complex and vector types as
22118         aggregates.
22119         (function_arg): Likewise.  Only pass scalar floats in the floating
22120         point argument registers.
22121         * pa/t-slibgcc-dwarf-ver: New file.
22122         * pa/t-slibgcc-sjlj-ver: New file.
22123         * pa/t-slibgcc-elf-ver: Delete file.
22125 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
22127         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22128         unlikely_test_section_p test.
22130 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22132         * mode-switching.c (optimize_mode_switching): Make it static.
22133         * basic-block.h: Remove the prototype for
22134         optimize_mode_switching.
22136         * modulo-sched.c (sms_schedule): Make it static.
22137         * rtl.h: Remove the prototype for sms_schedule.
22139         * postreload-gcse.c (gcse_after_reload_main): Make it static.
22140         * rtl.h: Remove the prototype for gcse_after_reload_main.
22142         * reg-stack.c (reg_to_stack): Make it static.
22143         * rtl.h: Remove the prototype for reg_to_stack.
22145         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22146         Make them static.
22147         * rtl.h: Remove the prototypes for regrename_optimize and
22148         copyprop_hardreg_forward.
22150 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
22152         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22153         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
22154         Test against the appropriate null constant for the mode.
22155         If 'fixup_overlap' is true, swap the operands if they overlap.
22156         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22157         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22158         alpha_split_tmode_pair and adjust for above change.
22159         * config/alpha/alpha.md (movtf_internal): Adjust call to
22160         alpha_split_tfmode_pair and rely on it to swap the operands.
22161         (movti_internal): New insn and post-reload splitter.
22162         (movti): New expander.
22164 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
22166         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22167         operands.
22169 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
22171         * rtlanal.c (global_reg_mentioned_p_1,
22172         global_reg_mentioned_p): Remove.
22173         * rtl.h: Remove the prototype for global_reg_mentioned_p.
22175         * flow.c (initialize_uninitialized_subregs): Make it static.
22176         * rtl.h: Remove the prototype for
22177         initialize_uninitialized_subregs.
22179         * function.c (instantiate_virtual_regs): Make it static.
22180         * function.h: Remove the prototype for
22181         instantiate_virtual_regs.
22183         * regmove.c (regmove_optimize, combine_stack_adjustments):
22184         Make them static.
22185         * rtl.h: Remove the prototypes for regmove_optimize and
22186         combine_stack_adjustments.
22188 2006-01-17  Roger Sayle  <roger@eyesopen.com>
22190         * config/i386/i386.c (COSTS_N_BYTES): New macro.
22191         (size_cost): Encode costs in bytes so that a reg-reg addition is
22192         equivalent to COSTS_N_INSNS(1).
22193         (override_options): Use the size_cost.branch_cost as the default
22194         ix86_branch_cost when optimizing for size.
22196 2006-01-18  Ben Elliston  <bje@au.ibm.com>
22198         * Makefile.in (D32PBIT_FUNCS): New.
22199         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22200         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22201         D64PBIT_FUNCS and D128PBIT_FUNCS.
22202         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22203         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22204         D128PBIT are set.
22205         (decnumber_dep): Define.
22206         * doc/libgcc.texi (Decimal float library routines): New node.
22207         * config/dfp-bit.h, config/dfp-bit.c: New files.
22209 2006-01-18  Ben Elliston  <bje@au.ibm.com>
22211         * expr.c (emit_move_change_mode): Always adjust addresses, not
22212         just during reload.  Copy replacements only during reload.
22213         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22214         emit_move_via_integer.
22216 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
22218         * Makefile.in (check-%, check-consistency): Use $${srcdir}
22219         instead of $(srcdir) and ${srcdir}.
22221 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
22223         PR target/592
22224         PR middle-end/11135
22225         * arm.h (struct machine_function): Add pic_reg.
22226         * arm.c (arm_pic_register): Make unsigned.
22227         (arm_override_options): Only set arm_pic_register if
22228         TARGET_SINGLE_PIC_BASE.
22229         (use_return_insn): Only test for a pic register if it is fixed.
22230         (arm_compute_save_reg0_reg12_mask): Likewise.
22231         (thumb_compute_save_reg_mask): Likewise.
22232         (legitimate_pic_operand): Factor out some known invariants.
22233         (legitimize_pic_address): If we don't have a fixed pic register,
22234         then set up a pseudo in the function entry sequence.  Handle the
22235         pic base being in a pseudo.
22236         (arm_load_pic_register): Handle the pic register being in a pseudo.
22237         (arm_expand_prologue): Only set up the pic register if it is fixed.
22238         (thumb_expand_prologue): Likewise.
22239         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22240         (pic_load_addr_based_insn): Likewise.
22241         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22242         fixed.
22244 2006-01-18  Ben Elliston  <bje@au.ibm.com>
22246         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22247         decimal float modes for all floating point registers.
22249         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22250         match_code "mem" with match_test "macho_lo_sum_memory_operand".
22252 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
22254         PR c/25682
22255         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22256         even when the pointer is not NULL.
22258 2006-01-16  Ian Lance Taylor  <ian@airs.com>
22260         * common.opt (ftoplevel-reorder): New option.
22261         * cgraph.c (cgraph_asm_nodes): New global variable.
22262         (cgraph_asm_last_node): New static variable.
22263         (cgraph_order): New global variable.
22264         (cgraph_create_node): Set new order field.
22265         (cgraph_varpool_node): Likewise.
22266         (decide_is_variable_needed): Return true if not
22267         flag_toplevel_reorder.
22268         (cgraph_add_asm_node): New function.
22269         * cgraph.h (struct cgraph_node): Add order field.
22270         (struct cgraph_varpool_node): Add order field.
22271         (struct cgraph_asm_node): Define.
22272         (cgraph_asm_nodes, cgraph_order): Declare.
22273         (cgraph_add_asm_node): Declare.
22274         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22275         function.
22276         (cgraph_varpool_assemble_pending_decls): Call it.
22277         (cgraph_output_pending_asms): New static function.
22278         (cgraph_finalize_compilation_unit): Call it.
22279         (struct cgraph_order_sort): Define.
22280         (cgraph_output_in_order): New static function.
22281         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
22282         !flag_toplevel_reorder case.
22283         * c-parser.c: Include "cgraph.h".
22284         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22285         assemble_asm.
22286         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22287         than -fno-unit-at-a-time.
22288         * doc/invoke.texi (Option Summary): Mention
22289         -fno-toplevel-reorder.
22290         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
22291         -funit-at-a-time documentation.
22293 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
22294             Kazu Hirata  <kazu@codesourcery.com>
22296         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22298 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
22300         * Makefile.in (FUNCTION_H): New.  Use it instead of
22301         function.h throughout the file.
22302         * function.h: Include tree.h.
22304 2006-01-17  Ben Elliston  <bje@au.ibm.com>
22306         * recog.c: Separate some functions with whitespace.
22308 2006-01-16  Richard Henderson  <rth@redhat.com>
22310         Merge from gomp branch:
22311         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
22312         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22313         and rename from struct inline_data.  Rename callee* to dst*;
22314         caller* to src*; add copy_decl hook, transform_call_graph_edges,
22315         transform_new_cfg, transform_return_to_modify, and
22316         transform_lang_insert_block flags; remove cloning_p, versioning_p,
22317         update_clones_p.
22318         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22319         (copy_decl_for_dup): Remove.
22320         * tree-inline.c (struct inline_data): Move to header.
22321         (insert_decl_map): Export.
22322         (remap_decl): Update for member name changes.  Use copy_decl hook.
22323         Allow for replacement to be a non-decl.  Remove dead code.
22324         (remap_type_1): Check for existing mapping.
22325         (remap_type): Export.
22326         (remap_decls): Update for member name changes.
22327         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22328         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22329         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22330         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22331         (tree_function_versioning, build_duplicate_type): Likewise.
22332         (copy_body_r): Likewise.  Export.
22333         (copy_decl_for_dup): Split into ...
22334         (copy_decl_for_dup_finish, copy_decl_to_var,
22335         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22336         (replace_ref_tree, inlining_p): Remove.
22338 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22340         * ifcvt.c (if_convert): Make it static.
22341         * rtl.h: Remove the prototype for if_convert.
22343         * local-alloc.c (local_alloc): Make it static.
22344         * rtl.h: Remove the prototype for local_alloc.
22346         * loop.c (loop_optimize): Make it static.
22347         * cfgloop.h: Remove the prototype for loop_optimize.
22348         * rtl.h: Likewise.
22350 2006-01-16  DJ Delorie  <dj@redhat.com>
22352         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22353         mems.
22355 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22357         * pa.md: Disparage copies between general and floating-point registers
22358         in 32-bit move patterns.
22360 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
22362         PR testsuite/25741
22363         * Makefile.in (check-%): Depend on site.exp instead of
22364         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22365         directories.
22367 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22369         * global.c (global_alloc): Make it static.
22370         * rtl.h: Remove the prototype for global_alloc.
22372 2006-01-16  Richard Guenther  <rguenther@suse.de>
22374         * tree-ssa-alias.c (struct used_part): Add write_only field.
22375         (get_or_create_used_part_for): Initialize it to true.
22376         (create_overlap_variables_for): Don't create structure variables
22377         for structures that only are written to.
22378         (find_used_portions): Handle MODIFY_EXPR to track whether a
22379         structure is only written to.
22381 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22383         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22384         static.
22385         * basic-block.h: Remove the prototype for
22386         partition_hot_cold_basic_blocks.
22388 2006-01-16  Rafael Ãvila de EspÃ�­ndola <rafael.espindola@gmail.com>
22390         * cppspec.c (lang_specific_spec_functions): Remove.
22391         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22392         * gcc.h (lang_specific_spec_functions): Remove.
22393         * gccspec.c (lang_specific_spec_functions): Remove.
22395 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
22397         * combine.c (record_value_for_reg): Invalidate registers
22398         if INSN is null.
22399         (record_dead_and_set_regs_1): Likewise, by passing them to
22400         record_value_for_reg.
22401         (record_dead_and_set_regs): Invalidate stores made by a
22402         call.  We do not combine across a call, but we still
22403         relied on equivalences.
22405 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
22407         * tree-vrp.c (extract_range_from_binary_expr): Cope with
22408         vrp_int_const_binop returning non-constant nodes.
22410 2006-01-16  Paul Brook  <paul@codesourcery.com>
22412         * config/m68k/m68k.c (output_move_const_into_data_reg):
22413         Output correct mnemonic for mvz and mvs.
22415 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
22417         * rtl-factoring.c: Add sequence abstraction algorithm.
22418         * cfgcleanup.c (outgoing_edges_match): Extra checks.
22419         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22420         ABNORMAL edges.
22421         (block_has_preserve_label): New function.
22422         * common.opt: Register new pass.
22423         * Makefile.in: Ditto.
22424         * passes.c: Ditto.
22425         * timevar.def: Ditto.
22426         * tree-pass.h: Ditto.
22427         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22428         * rtl.h (make_jump_insn_raw): Add forward decl.
22429         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22431 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
22432             Roger Sayle  <roger@eyesopen.com>
22434         * fold-const.c (fold_minmax): New static function.
22435         (fold_binary) <MIN_EXPR>: Call it.
22436         <MAX_EXPR>: Likewise.
22437         * stor-layout.c (place_field): Use DECL_SIZE consistently
22438         in the computation of the new record size.
22440 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
22442         * cse.c (cse_condition_code_reg): Make it static.
22443         * rtl.h: Remove the prototype for cse_condition_code_reg.
22445         * combine.c (combine_instructions): Make it static.
22446         * rtl.h: Remove the prototype for combine_instructions.
22448 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22450         PR target/25168
22451         * tree.c (get_file_function_name_long): Concatenate the first global
22452         object name with a string derived from the input filename of the object
22453         for type "F".
22455 2006-01-16  Ben Elliston  <bje@au.ibm.com>
22457         * config/i386/winnt-stubs.c: Update FSF address.
22458         * config/xtensa/ieee754-df.S: Ditto.
22459         * config/xtensa/ieee754-sf.S: Ditto.
22461 2006-01-14  Ian Lance Taylor  <ian@airs.com>
22463         * ifcvt.c (noce_init_if_info): New static function, broken out of
22464         noce_process_if_block.
22465         (noce_process_if_block): Call noce_init_if_info.
22466         (check_cond_move_block): New static function.
22467         (cond_move_process_if_block): New static function.
22468         (process_if_block): Call cond_move_process_if_block.
22470 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
22472         * cselib.c (hash_table): Rename to cselib_hash_table.
22473         (cselib_clear_table, discard_useless_values,
22474         remove_useless_values, cselib_lookup_mem, cselib_lookup,
22475         cselib_init, cselib_finish): Adjust uses of hash_table.
22477 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
22479         PR tree-optimization/25485
22480         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22481         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22482         is known to be false and true, respectively.
22484 2006-01-14  Richard Guenther  <rguenther@suse.de>
22486         PR tree-optimization/22548
22487         PR tree-optimization/22555
22488         PR tree-optimization/22501
22489         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22490         * params.def (salias-max-array-elements): New parameter.
22491         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22492         * doc/invoke.texi (salias-max-array-elements): Document.
22493         * tree-flow-inline.h (var_can_have_subvars): We also handle
22494         arrays now.
22495         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22496         COMPONENT_REF.
22497         * tree-ssa-structalias.c (params.h): Include.
22498         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22499         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22500         (get_constraint_for): For ADDR_EXPR operating on something
22501         containing an ARRAY_REF, add all subvars to the solution.
22502         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22503         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22504         for creating MUST_DEFs.
22505         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22507 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
22509         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22510         functions.
22511         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22512         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22513         number_of_iterations_le): New functions.
22514         (number_of_iterations_special): Removed.
22515         (number_of_iterations_exit): Do not use number_of_iterations_special.
22516         * tree.c (unsigned_type_for): Always return integer type.
22518 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
22519         Richard Guenther  <rguenther@suse.de>
22521         PR rtl-optimization/24257
22522         * gcse.c (find_moveable_store): Only consider a store movable
22523         when the SET_SRC of the insn can be assigned to a register.
22525 2006-01-14  Ian Lance Taylor  <ian@airs.com>
22527         * tree.c (tree_not_class_check_failed): New function.
22528         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22529         (tree_not_class_check_failed): Declare.
22531 2006-01-13  Ian Lance Taylor  <ian@airs.com>
22533         * reload1.c (do_output_reload): Add assertion rejecting a
22534         CALL_INSN.
22536 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
22538         * combine.c (struct reg_stat): Add new fields truncation_label and
22539         truncated_to_mode.
22540         (record_value_for_reg): Reset truncated_to_mode.
22541         (record_truncated_value): New function.
22542         (check_promoted_subreg): Call it.  Rename to check_conversions.
22543         (combine_instructions): Rename check_promoted_subreg to
22544         check_conversions.
22545         (reg_truncated_to_mode): New function.
22546         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
22547         (gen_lowpart_or_truncate): New function.
22548         (force_to_mode): Use it instead of gen_lowpart.
22550 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
22552         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
22553         VAR is a tag, not its type tag.
22555 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
22557         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22558         alternatives to match style of other entries.
22559         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
22561 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
22563         PR tree-optimization/25771
22564         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22565         SSA_NAMES.
22567 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
22569         PR tree-opt/24365
22570         * tree-inline.c (declare_return_variable): If the return variable
22571         was marked as a non gimple complex, set the return slot variable
22572         to be a non gimple comple variable.
22574 2006-01-13  Richard Guenther  <rguenther@suse.de>
22576         * builtins.c (expand_builtin_sincos): New function.
22577         (expand_builtin_mathfn_3): Remove dead code, sin and cos
22578         do not set errno.
22579         (expand_builtin): Expand sincos using expand_builtin_sincos.
22581 2006-01-12  DJ Delorie  <dj@redhat.com>
22583         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22584         shift counts, separate SI shifts for m32c vs m16c, pass shift type
22585         so that constant shifts can be split.
22586         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22587         (m32c_valid_pointer_mode): Make static.
22588         (shift_gen_func_for): New.
22589         (m32c_prepare_shift): Use it.  Split large const shifts into
22590         multiple shifts.
22591         * config/m32c/predicates.md (shiftcount_operand): Allow more
22592         general operands.
22593         (longshiftcount_operand): New.
22594         * doc/md.texi (Machine Constraints): Document In6.
22596 2006-01-13  Ben Elliston  <bje@au.ibm.com>
22598         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22599         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22600         documentation.
22602 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
22604         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22605         to try to avoid clobbering pieces of structures when we know
22606         something about the whole structure.
22607         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22609 2006-01-13  Ben Elliston  <bje@au.ibm.com>
22611         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22612         return in memory, as this is no limitation is no longer present.
22614 2006-01-12  DJ Delorie  <dj@redhat.com>
22616         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22617         mova with fb, and for fb+0 -> An.
22619         * config/m32c/mov.md (peephole2): Fix enabling logic.
22621         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22622         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22623         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22624         FINI_ARRAY_SECTION_ASM_OP): Define.
22626         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22627         variable.
22628         (m32c_legitimize_reload_address): New logic to reload FB to An.
22629         (m32c_output_reg_push): Add newline.
22630         (m32c_output_reg_pop): Likewise.
22632 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
22634         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22636 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
22638         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22640 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22642         * config/sh/predicates.md (sh_rep_vec): Add parallel to
22643         match_code.
22645 2006-01-11  Ben Elliston  <bje@au.ibm.com>
22647         * rtlanal.c (find_reg_note): Assert insn is not null.
22649 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
22651         * df-scan.c (df_hard_reg_init): Move declaration of i outside
22652         ifdef.
22654 2006-01-11  Jeff Law  <law@redhat.com>
22656         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22657         hold edge pairs.
22658         (mark_threaded_blocks, register_jump_thread): New functions.
22659         (thread_through_all_blocks): Remove unwanted argument.  No
22660         longer rely on e->aux to communicate thread target info.
22661         Call mark_threaded_blocks.  Release the threaded_blocks
22662         bitmap and threaded_edges vector when complete.
22663         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22664         (threaded_blocks): Remove.
22665         (tree_ssa_dominator_optimize): Remove initialization and
22666         finalization of threaded_blocks.  Simplify call to
22667         thread_through_all_blocks.
22668         (thread_across_edge): Call register_jump_thread rather than
22669         storing thread information into e->aux.
22670         (free_all_edge_infos): Simplify now that e->aux is no longer
22671         used to communicate with thread_through_all_blocks.
22672         * tree-flow.h (thread_through_all_blocks): Update prototype.
22673         (register_jump_thread): Prototype.
22675 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22677         * df-core.c (df_compact_blocks, df_bb_replace): Use
22678         SET_BASIC_BLOCK instead of BASIC_BLOCK.
22680 2006-01-11  Richard Guenther  <rguenther@suse.de>
22682         PR tree-optimization/25734
22683         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22684         stop propagation after successful propagation to the LHS.
22686 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
22688         * basic-block.h (control_flow_graph): Change the type of
22689         x_basic_block_info to VEC(basic_block,gc) *.
22690         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22691         basic_block_info.
22692         (SET_BASIC_BLOCK): New.
22693         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22694         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22695         * cfgbuild.c (find_basic_blocks): Likewise.
22696         * cfglayout.c (fixup_reorder_chain): Likewise.
22697         * cfgrtl.c (create_basic_block_structure,
22698         rtl_create_basic_block): Likewise.
22699         * ifcvt.c (find_if_case_1): Likewise.
22700         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22701         Likewise.
22703 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
22705         * Makefile.in: Removed rotted odf.c entry.
22707 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
22709         PR target/25706
22710         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22711         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22712         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22713         output pattern modifier, not %e.
22714         * config/cris/cris.c (cris_op_str): Update comment about pattern
22715         modifier.
22716         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22717         before falling through into...
22718         <case 'E'>: Redefined from old 'e' case.
22720 2006-01-11  Jan Hubicka  <jh@suse.cz>
22722         PR target/25042
22723         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22725 2006-01-11  Jan Hubicka  <jh@suse.cz>
22727         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22728         * i386.c (x86_decompose_lea): Kill.
22729         (ix86_rtx_costs): Kill.
22731 2006-01-11  Jan Hubicka  <jh@suse.cz>
22733         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22734         * cgraph.h (cgraph_node): Add inline_decl.
22735         (cgraph_insert_node_to_hashtable): Declare.
22736         (save_inline_function_body): Declare.
22737         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22738         clones.
22739         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22740         (cgraph_function_versioning): Update call of tree_function_versioning.
22741         (save_inline_function_body): New function.
22742         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22743         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22744         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22745         (cgraph_default_inline_p): Likewise.
22746         (cgraph_decide_inlining_incrementally): Likewise.
22747         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22748         (copy_bb): Kill saving; do updating of clones.
22749         (copy_cfg_body): Kill saving.
22750         (initialize_inlined-parameters): Likewise.
22751         (expand_call_inline): Likewise.
22752         (save_body): Kill.
22753         (tree_function_versioning): New parameter "update_clones".
22754         (inlining_p): Kill saving.
22755         * tree-inline.h (tree_function_versioning): Update prototype.
22756         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22757         saving.
22759 2006-01-11  Ian Lance Taylor <ian@airs.com>
22761         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
22762         Allow undoing set of machine mode.
22763         (do_SUBST): Use enums instead of is_int.
22764         (do_SUBST_MODE): New function.
22765         (SUBST_MODE): New macro.
22766         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22767         reg and trying to replace reg_regno_rtx with a new register.
22768         (undo_all): Use new enums, handle undoing a PUT_MODE change.
22769         (simplify_set): Use SUBST_MODE.
22770         (distribute_notes): Remove code that tried to update reg notes
22771         for regno_reg_rtx changes.
22773 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
22775         PR tree-optimization/23109
22776         PR tree-optimization/23948
22777         PR tree-optimization/24123
22779         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22780         * tree-cfg.c (single_noncomplex_succ): New.
22781         * tree-flow.h (single_noncomplex_succ): Declare it.
22782         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22783         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22784         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22785         insert_bb, register_division_in, insert_reciprocals,
22786         replace_reciprocal, free_bb): New.
22787         (execute_cse_reciprocals_1): Rewritten.
22788         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22789         Do not commit any edge insertion.  Always compute dominators and
22790         create the allocation pool.
22791         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22792         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22793         * targhooks.c (default_min_divistions_for_recip_mul): New.
22794         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22795         * passes.c (init_optimization_passes): Run recip after tree loop
22796         optimizations.
22797         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22799 2006-01-11  Danny Berlin <dberlin@dberlin.org>
22800             Kenneth Zadeck <zadeck@naturalbridge.com>
22802         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22803         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22804         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22805         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22806         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22807         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22808         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22809         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22810         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22811         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22812         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22813         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22814         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22815         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22816         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22817         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22818         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22819         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22820         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22821         DF_SCAN_POST_ALLOC): New macros.
22822         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22823         df_free_bb_function, df_local_compute_function, df_init_function,
22824         df_dataflow_function, df_confluence_function_0,
22825         df_confluence_function_n, df_transfer_function,
22826         df_finalizer_function, df_free_function, df_dump_problem_function,
22827         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22828         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22829         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22830         df_urec_bb_info, ) New types.
22831         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22832         variables.
22833         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22834         df_analyze_simple_change_some_blocks,
22835         df_analyze_simple_change_one_block, df_compact_blocks,
22836         df_bb_replace, df_bb_regno_last_use_find,
22837         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22838         df_insn_regno_def_p, df_find_def, df_find_use,
22839         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22840         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22841         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22842         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22843         debug_df_chain, df_get_dependent_problem, df_chain_create,
22844         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22845         df_grow_bb_info, df_chain_dump, df_print_bb_index,
22846         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22847         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22848         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22849         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22850         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22851         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22852         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22853         df_ref_remove, df_insn_refs_delete, df_refs_delete,
22854         df_reorganize_refs, df_set_state, df_hard_reg_init,
22855         df_read_modify_subreg_p) New public functions.
22856         * df-core.c: The core dataflow solver and glue routines for rtl
22857         dataflow.
22858         (df_init, df_add_problem, df_set_blocks, df_finish,
22859         df_hybrid_search_forward, df_hybrid_search_backward,
22860         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22861         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22862         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22863         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22864         df_reg_defined, df_find_use, df_reg_used, df_dump,
22865         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22866         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22867         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22868         debug_df_useno, reset_df_after_reload): New functions.
22869         * df-scan.c: The scanning fuctions, once in df.c, completely
22870         rewritten so that they now fully model the functionality of
22871         register usage at the backend.
22872         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22873         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22874         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22875         df_grow_insn_info, df_rescan_blocks, df_ref_create,
22876         df_get_artificial_defs, df_get_artificial_uses,
22877         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22878         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22879         df_refs_delete, df_reorganize_refs, df_set_state,
22880         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22881         df_def_record_1, df_defs_record, df_uses_record,
22882         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22883         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22884         df_record_exit_block_uses, df_hard_reg_init): New functions.
22886         * df-problems.c: Seven concrete dataflow problems that use the
22887         scanning in df-scan.c and are solved by the engine in df-core.c.
22888         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22889         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22890         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22891         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22892         df_ru_free_bb_info, df_ru_alloc,
22893         df_ru_bb_local_compute_process_def,
22894         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22895         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22896         df_ru_transfer_function, df_ru_free, df_ru_dump,
22897         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22898         df_rd_free_bb_info, df_rd_alloc,
22899         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22900         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22901         df_rd_transfer_function, df_rd_free, df_rd_dump,
22902         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22903         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22904         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22905         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22906         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22907         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22908         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22909         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22910         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22911         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22912         df_urec_mark_reg_change, df_urec_check_earlyclobber,
22913         df_urec_mark_reg_use_for_earlyclobber,
22914         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22915         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22916         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22917         df_urec_dump, df_urec_add_problem, df_chain_alloc,
22918         df_chain_create_bb_process_use, df_chain_create_bb,
22919         df_chain_finalize, df_chain_free, df_chains_dump,
22920         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22921         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22922         df_reg_lifetime): New functions.
22923         * df.c: Deleted file.
22924         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22925         consistent with new df api.
22926         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22927         rest_of_handle_sms): Ditto.
22928         * web.c (unionfind_union, union_defs, entry_register, web_main):
22929         Ditto.
22930         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22931         invariant_expr_equal_p, find_defs, check_dependencies,
22932         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22933         free_inv_motion_data, move_loop_invariants): Ditto.
22934         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22935         Update dependencies.
22936         (odf.c): Added defective entry that was deleted later in day.
22937         * sched-deps.c (sched_analyze_1): Ditto.
22939 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
22941         * tree-ssa-operands.c (get_expr_operands): Record addressable
22942         variables directly.  Do not call add_stmt_operands for CONST_DECLs
22943         and ARRAY_DECLs.
22944         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22945         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22947 2006-01-11  Ben Elliston  <bje@au.ibm.com>
22949         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22950         function returns true in the positive case.
22952 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22954         PR target/20754
22955         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22956         for SI, DI, SF and DF modes.  Add alternatives to copy between
22957         general and floating point registers to the 32-bit patterns.
22958         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22959         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22960         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22961         generating 64-bit code.
22962         * config/pa/pa.c (output_move_double): Handle copies between general
22963         and floating registers.
22965 2006-01-10  Stuart Hastings  <stuart@apple.com>
22967         * config/i386/i386.md (set_got): Update.
22968         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
22969         (builtin_setjmp_receiver): Mach-O support.
22970         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22971         (GOT_SYMBOL_NAME): Define.
22972         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22973         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22974         * config/i386/i386.c (override_options): Revise for Darwin.
22975         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
22976         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
22977         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
22978         * config/i386/i386-protos.h (output_set_got): Likewise.
22979         * config/darwin.c (machopic_legitimize_pic_address): Update
22980         regs_ever_live[].
22982 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
22984         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22985         when MODE isn't BLKmode.
22987 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
22989         PR rtl-optimization/25367
22990         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22992 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
22994         PR target/25718
22995         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22996         for a negative bound.
22998 2006-01-10  Richard Guenther  <rguenther@suse.de>
23000         * tree-ssa-structalias.c (get_constraint_for_component_ref):
23001         Never override with anything constraint.
23003 2006-01-10  Jan Beulich  <jbeulich@novell.com>
23005         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23006         256 bits when optimize_size.
23008 2006-01-10  Jan Beulich  <jbeulich@novell.com>
23010         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23011         MASK_ALIGN_DOUBLE.
23012         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23013         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23014         arguments.
23016 2006-01-10  Ben Elliston  <bje@au.ibm.com>
23018         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23019         float modes.
23020         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23021         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23022         (USE_FP_FOR_ARG): Reject decimal float modes.
23023         (function_arg_advance): Likewise.
23024         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23025         (rs6000_handle_altivec_attribute): Do not permit decimal floating
23026         point types in AltiVec vectors.
23027         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23028         (rs6000_libcall_value): Likewise.
23030 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
23032         * config/xtensa/ieee754-df.S: New file.
23033         * config/xtensa/ieee754-sf.S: New file.
23034         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23035         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23036         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23038 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
23040         * config/sh/predicates.md (binary_float_operator,
23041         binary_logical_operator, commutative_float_operator,
23042         equality_comparison_operator, greater_comparison_operator,
23043         less_comparison_operator, logical_operator,
23044         noncommutative_float_operator, shift_operator,
23045         symbol_ref_operand, unary_float_operator): Remove redundant
23046         conditionals.
23048 2006-01-09  Jeff Law  <law@redhat.com>
23050         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23051         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
23052         now unused arguments.  Callers updated.
23053         (eliminate_redundant_computations): Remove now unused arguments,
23054         callers updated.
23055         (local_fold): Remove, no longer used.
23056         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23057         and moved to...
23058         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23059         (simplify_cond): New function.
23060         (forward_propagate_into_cond): Call simplify_cond.
23062 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
23064         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23065         (*vec_extractv2di_1_sse): New.
23067 2006-01-09  Ben Elliston  <bje@au.ibm.com>
23069         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23071 2006-01-08  Richard Guenther  <rguenther@suse.de>
23073         * tree-ssa-structalias.c (get_constraint_for): Remove
23074         anyoffset argument.
23075         (get_constraint_for_component_ref): Likewise.
23076         (do_deref): Likewise.
23077         (get_constraint_for): Likewise.
23078         (do_structure_copy): Likewise.
23079         (handle_ptr_arith): Likewise.
23080         (find_func_aliases): Likewise.  Remove unused need_anyoffset
23081         variable.
23083 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
23084             Kaz Kojima  <kkojima@gcc.gnu.org>
23086         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23087         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23088         (EXTRA_CONSTRAINT_C16): Remove.
23089         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23090         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23091         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23092         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23093         constants of SHmedia.  Handle nested constant expressions of
23094         SHmedia correctly.
23095         (andcosts): Fix the costs for SHmedia constants.
23096         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23097         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23098         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23099         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23100         (movv4hi_i, movv2si_i): Likewise.
23101         (movsi_const): Adjust the second operand of ior so to match with
23102         the Csu constraint.
23103         (movdi_const, movdi_const_32bit): Likewise.
23104         (movdi_const_16bit+1): Don't sign-extend LOW.
23105         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
23106         step.
23107         (*double_shori): Fix the split condition.  Use GEN_INT instead
23108         of get_int_mode calls.  Mask lower 16-bit of the argument of
23109         the last GEN_INT.
23110         (sym2GOTPLT): Remove.
23111         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23112         gen_rtx_UNSPEC.
23113         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23114         instead of EXTRA_CONSTRAINT_C16.
23116 2006-01-07  Ian Lance Taylor  <ian@airs.com>
23117             David Edelsohn  <edelsohn@gnu.org>
23119         PR rtl-optimization/25662
23120         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23121         for constant operands instead of simplify_gen_binary.
23122         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23123         after trying simplify_binary_operation
23125 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
23127         * tree.c (iterative_hash_expr): Hash decls based on UID.
23129 2006-01-06  Eric Christopher  <echristo@apple.com>
23131         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23132         (TARGET_UNWIND_EMIT): Fix spelling.
23133         * target.h (gcc_target): Add except_table_label.
23134         * except.c (output_function_exception_table): Use.
23135         * varasm.c (default_emit_except_table_label): New.
23136         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23137         define.
23138         (asm_out): Add here.
23139         * output.h (default_emit_except_table_label): Prototype.
23140         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23141         * config/darwin.c (darwin_emit_except_table_label): Define.
23142         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23144 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
23146         PR tree-optimization/18527
23147         * tree-ssa-loop-niter.c (number_of_iterations_cond,
23148         number_of_iterations_special, number_of_iterations_exit):
23149         Move base and step of an iv to a single structure.  Add
23150         no_overflow flag, and use it in # of iterations analysis.
23151         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23152         folded_casts argument.
23153         (simple_iv): Pass base and step in a structure.  Set no_overflow
23154         flag.
23155         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23156         Evaluate expensiveness of computing # of iterations instead of
23157         the final expression.
23158         * tree-scalar-evolution.h (affine_iv): New structure.
23159         (simple_iv): Declaration changed.
23160         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23161         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23162         find_givs_in_stmt): Changed due to simple_iv change.
23164 2006-01-06  Jeff Law  <law@redhat.com>
23166         PR ada/24994
23167         * tree-cfg.c (bsi_replace): Rename final argument from
23168         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
23169         change (stmt -> orig_stmt).
23170         * tree-eh.c (verify_eh_throw_stmt_node): New function.
23171         (bsi_remove): Add new argument.  Remove EH information
23172         if requested.
23173         (verify_eh_throw_table_statements): New function.
23174         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
23175         updated.
23176         * tree-optimize.c (execute_free_cfg_annotations): Verify
23177         the EH throw statement table after removing annotations.
23178         * except.h (verify_eh_throw_table_statements): Prototype.
23179         * tree-flow.h (bsi_remove): Update prototype.
23180         * tree-vrp.c (remove_range_assertions): Add new argument to
23181         bsi_remove call.
23182         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23183         * tree-complex.c (expand_complex_div_wide): Likewise.
23184         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23185         * tree-tailcall.c (eliminate_tailcall): Likewise.
23186         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23187         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23188         * tree-nrv.c (tree_nrv): Likewise.
23189         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23190         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23191         (combine_blocks): Likewise.
23192         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23193         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23194         (cleanup_control_flow): Likewise.
23195         (remove_forwarder_block): Likewise.
23196         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23197         * tree-sra.c (sra_replace): Likewise.
23198         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23199         (forward_propagate_single_use_vars): Likewise.
23200         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23201         * tree-inline.c (expand_call_inline): Likewise.
23202         * tree-vect-transform.c (vect_transform_loop): Likewise.
23203         * tree-outof-ssa.c (rewrite_trees): Likewise.
23204         * tree-cfg.c (make_goto_expr_edges): Likewise.
23205         (cleanup_dead_labels): Likewise.
23206         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23207         (bsi_move_before, bsi_move_after): Likewise.
23208         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23209         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23211 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
23213         PR tree-opt/25528
23214         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23215         and IMAGPART_EXPR.
23216         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23217         on non gimple variables.  Also add checks at the top for decls and
23218         mtags.
23219         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23220         complex types.
23221         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23222         and IMAGPART_EXPR for creating MUST_DEFs.
23223         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23224         and NAME_MEMORY_TAG separately from the DECLs.
23226 2006-01-06  Richard Guenther  <rguenther@suse.de>
23228         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23229         annotation, if necessary.
23230         * tree-ssa-pre.c (create_expression_by_pieces): Remove
23231         redundant calls to update_stmt.
23232         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23233         Likewise.
23235 2006-01-05  Richard Henderson  <rth@redhat.com>
23237         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23239 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
23241         * c-typeck.c: Update copyright date.
23243 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
23245         * c-typeck.c (build_c_cast): Always warn when casting
23246         from a pointer to an integer of different size, even if
23247         the node was constant.
23249 2006-01-05  Richard Guenther  <rguenther@suse.de>
23251         PR tree-optimization/22555
23252         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23253         if one structure field is an array.
23254         * tree-ssa-operands.c (get_expr_operands): Continue scanning
23255         operands even if we found a subvar, but ignore VOPs in this
23256         case.
23257         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23258         for renaming.
23259         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23261 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
23263         PR middle-end/24998
23264         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23266 2006-01-05  Richard Guenther  <rguenther@suse.de>
23267             Diego Novillo  <dnovillo@redhat.com>
23269         * tree-pass.h (TODO_remove_unused_locals): Define.
23270         * gimple-low.c (expand_var_p, remove_useless_vars,
23271         pass_remove_useless_vars): Remove.  Update all users.
23272         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23273         (remove_unused_locals): New function.
23274         * tree-flow.h (remove_unused_locals): Declare.
23275         * passes.c (execute_todo): Call remove_unused_locals if
23276         TODO_remove_unused_locals is set.
23277         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23278         * tree-ssa-dce.c (pass_dce): Likewise.
23279         * tree-outof-ssa.c (pass_del_ssa): Likewise.
23281 2006-01-05  Richard Guenther  <rguenther@suse.de>
23283         * tree-flow.h (struct fieldoff): Decompose field to
23284         type, size and decl.
23285         * tree-ssa-alias.c (create_sft): Take type as parameter.
23286         (create_overlap_variables_for): Store type, size and decl
23287         in the fieldoff structure.
23288         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23289         of struct fieldoff.
23290         (push_fields_onto_fieldstack): Likewise.
23291         (create_variable_info_for): Likewise.  Use offset for the
23292         SFT name if the decl is not available.
23294 2006-01-04  Paul Brook  <paul@codesourcery.com>
23296         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23298 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
23300         * lambda-code.c (can_put_in_inner_loop): Relax
23301         restrictions.
23302         (can_put_after_inner_loop): New function.
23303         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23304         (perfect_nestify): Change to make copies and modify uses.
23306 2006-01-04  Richard Henderson  <rth@redhat.com>
23308         Merge from gomp branch:
23309         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23310         via integer constant.
23311         (pragma_lex): Remove.
23312         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23313         rather than parsing it.
23314         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23315         handle_pragma_extern_prefix): Add %< %> quotes.
23316         (registered_pragmas): New.
23317         (c_register_pragma_1): New.
23318         (c_register_pragma): Use it.
23319         (c_register_pragma_with_expansion): Likewise.
23320         (c_invoke_pragma_handler): New.
23321         (init_pragma): Use cpp_register_deferred_pragma directly for
23322         pch_preprocess.
23323         * c-pragma.h (enum pragma_kind): New.
23324         (pragma_handler): New.
23325         (c_invoke_pragma_handler): Declare.
23326         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23327         CPP_PRAGMA_EOL.
23328         * c-common.h (c_common_pch_pragma): Update decl.
23329         * Makefile.in (c-parser.o): Update dependencies.
23330         (GTFILES): Add c-pragma.h.
23331         * c-parser.c (struct c_token): Add pragma_kind.
23332         (struct c_parser): Add in_pragma.
23333         (c_lex_one_token): Always initialize keyword and pragma_kind.
23334         Extract data for CPP_PRAGMA.
23335         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23336         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23337         Don't allow CPP_PRAGMA_EOL if in_pragma.
23338         (c_parser_consume_pragma): New.
23339         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23340         (c_parser_skip_to_end_of_parameter): Likewise.
23341         (c_parser_skip_to_end_of_block_or_statement): Likewise.
23342         (c_parser_skip_to_pragma_eol): New.
23343         (c_parser_external_declaration): Handle CPP_PRAGMA.
23344         (c_parser_compound_statement_nostart): Likewise.
23345         (c_parser_statement_after_labels): Likewise.
23346         (c_parser_pragma): New.
23347         (pragma_lex): Likewise.
23348         (c_parser_pragma_pch_preprocess): New.
23349         (c_parser_new): Merge into ...
23350         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
23352 2006-01-04  Jeff Law  <law@redhat.com>
23354         PR ada/24994
23355         * tree-cfg.c (bsi_replace): Remove the original statement
23356         from the EH throw statement table.
23358 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
23360         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23361         make the prototype extern "C" and add throw ().
23363         PR target/25554
23364         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23365         and pos non-negative and pos + len <= 32.
23366         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23367         drop pos + len < HOST_BITS_PER_WIDE_INT test.
23368         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23370         PR c/25559
23371         * c-common.c (handle_vector_size_attribute): Reject zero vector size
23372         as well as sizes not multiple of component size.
23374         PR debug/25562
23375         * function.c (instantiate_expr): New function.
23376         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23377         walk its DECL_VALUE_EXPR with instantiate_expr.
23379         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23380         DW_OP_deref{,_size} if address isn't going to be added.
23382 2006-01-04  Ben Elliston  <bje@au.ibm.com>
23384         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23385         * config/fp-bit.c: Likewise.
23387 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
23389         * dominance.c: Add comment about why we use DFS numbering
23390         of dominance tree.
23392 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
23393             Richard Henderson  <rth@redhat.com>
23395         Merge from gomp-branch:
23396         * varasm.c (assemble_variable): Handle thread-local COMMON data.
23397         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23399 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
23401         PR rtl-optimization/25578
23402         * combine.c (combine_simplify_rtx, force_to_mode): Don't
23403         pass a parameter to simplify_shift_const if changing ASHIFTRT
23404         to LSHIFTRT.
23406 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
23408         * builtins.c (get_builtin_sync_mem): New function.
23409         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23410         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23411         Call get_builtin_sync_mem to generate mem rtx.
23413 2006-01-03  Richard Guenther  <rguenther@suse.de>
23415         PR c/25183
23416         * stmt.c (add_case_node): Make sure to clear overflow flags
23417         from ranges.
23419 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
23421         Merge from gomp-branch.
23422         * config/sparc/sync.md: New file.
23423         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23424         UNSPECV_LDSTUB): New constants.
23425         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23426         * config/sparc/predicates.md (memory_reg_operand): New predicate.
23427         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23428         prototype.
23430 2006-01-03  Roger Sayle  <roger@eyesopen.com>
23432         * combine.c (reg_subword_p): New predicate to test whether the
23433         destination of a set refers to a subword/piece of a register.
23434         (try_combine): Generalize the code to merge the setting of a
23435         pseudo to a constant followed by a set of a subword of that
23436         register to a constant.
23438 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
23440         * basic-block.h (control_flow_graph): Change the type of
23441         x_label_to_block_map to VEC(basic_block,gc) *.
23442         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23443         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23445         * tree-ssa-propagate.c (cfg_blocks): Change the type to
23446         VEC(basic_block,heap) *.
23447         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23448         ssa_prop_fini): Adjust the uses of cfg_blocks.
23450 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
23452         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23453         COMPONENT_REFs.
23454         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23455         hashing trees instead of a pointer hash.
23456         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23457         compare for MEM_EXPR.
23459         PR rtl-optimization/25130
23460         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23461         when comparing MEMs for GCSE
23463 2006-01-03  Ben Elliston  <bje@au.ibm.com>
23465         * targhooks.h (default_decimal_float_supported_p): Declare.
23466         * targhooks.c (default_decimal_float_supported_p): Define.
23467         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23468         `default_decimal_float_supported_p'.
23469         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23471 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
23473         * combine.c (apply_distributive_law <SUBREG>): Check
23474         TRULY_NOOP_TRUNCATION.
23476 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
23478         * dwarf2out.c (have_switched_text_section): Delete.
23479         (have_multiple_function_sections): New.
23480         (have_location_lists): Make 'bool'.
23481         (add_AT_loc_list): Use 'true' not '1'.
23482         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23483         (output_loc_list): Use have_multiple_function_sections.
23484         (output_ranges): Likewise.
23485         (dwarf2out_begin_function): Set have_multiple_function_sections if
23486         necessary.
23487         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23488         Check function_section rather than DECL_SECTION_NAME.
23489         (dwarf2out_finish): Use have_multiple_function_sections.
23490         Don't clear have_location_lists.
23492 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
23493             Jan Hubicka  <jh@suse.cz>
23495         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23496         case of conditional jump jumping to the next instruction.
23497         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23498         cases of conditional jump jumping to the next instruction.
23500 2006-01-02  Jan Hubicka  <jh@suse.cz>
23502         * i386.c (*_cost): Add COSTS_N_INSNS.
23503         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23505 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
23507         PR target/25259
23508         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23510 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
23512         * config/arm/arm.c (all_fpus): Fix comment typo.
23513         * config/darwin.c: Likewise.
23514         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23515         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23516         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23518 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
23520         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23521         (rs6000_split_compare_and_swapqhi): New.
23522         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23523         (sync_compare_and_swapqhi_internal): New.
23524         * config/rs6000/rs6000-protos.h: Declare.