1 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
3 * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
4 output.h, toplev.c, tree-affine.h, tree-flow.h,
5 tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
6 tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
7 tree-vrp.c, varpool.c: Fix comment typos.
9 2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
11 * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
12 * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
13 for insn setting up the frame pointer. Do not set it for insns
14 setting up scratch registers or storing the backchain.
16 2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
19 * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
20 are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
21 * configure: Regenerate.
23 2006-12-21 Joseph Myers <joseph@codesourcery.com>
25 * rtlanal.c (subreg_get_info): Do not make register size
26 computations for mode sizes not divisible by the number of
29 2006-12-21 Daniel Berlin <dberlin@dberlin.org>
31 * tree-ssa-structalias.c (build_constraint_graph): Insert complex
32 offsetted constraints into rhsvar, not lhsvar.
34 2006-12-21 Jakub Jelinek <jakub@redhat.com>
38 * tree-nested.c (walk_asm_expr): New function.
39 (walk_stmts): Use it for ASM_EXPR.
42 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
45 2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
49 * reload1.c (reload): Realign stack after it changes size.
51 2006-12-20 Roger Sayle <roger@eyesopen.com>
53 * simplify-rtx.c (simplify_subreg): Use the correct mode when
54 determining whether a SUBREG of a CONCAT refers to the first or
57 2006-12-21 Ben Elliston <bje@au.ibm.com>
59 * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
62 2006-12-20 Jan Hubicka <jh@suse.cz>
64 * tree-dfa.c (add_referenced_var): Walk initializers of
65 non-constant/readonly static vars.
67 2006-12-20 Jan Hubicka <jh@suse.cz>
69 * tree-flow-inline.h (gimple_var_anns): New function.
70 (var_ann): Use hashtable for static functions.
71 * tree-dfa.c (create_var_ann): Likewise.
72 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
73 (init_tree_ssa): Initialize var anns.
74 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
75 * tree-flow.h (struct static_var_ann_d): New structure.
76 (gimple_df): Add var_anns.
78 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
81 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
82 begin with the configured prefix.
84 2006-12-20 Jan Hubicka <jh@suse.cz>
87 * i386.c (expand_setmem_epilogue): Fix formating.
88 (dsmalest_pow2_greater_than): New function.
89 (ix86_expand_movmem): Improve comments; avoid re-computing of
91 (promote_duplicated_reg_to_size): Break out from ...
92 (expand_setmem): ... this one; reorganize promotion code;
93 improve comments; avoid recomputation of epilogue size.
95 2006-12-20 Andrew Pinski <pinskia@gmail.com>
98 * omp-low.c (init_tmp_var): New function.
99 (save_tmp_var): New function.
100 (lower_omp_1): Use them for VAR_DECL.
102 2006-12-20 Andrew Pinski <pinskia@gmail.com>
104 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
105 CONSTRUCTORs as min invariants.
107 2006-12-20 Joseph Myers <joseph@codesourcery.com>
109 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
111 (subreg_regno_offset, subreg_offset_representable_p): Change to
112 wrappers about subreg_get_info.
113 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
114 * rtl.h (subreg_nregs): Declare.
115 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
117 * caller-save.c (mark_set_regs, add_stored_regs): Use
119 * df-scan.c (df_ref_record): Use subreg_nregs.
120 * flow.c (mark_set_1): Use subreg_nregs.
121 * postreload.c (move2add_note_store): Use subreg_nregs.
122 * reload.c (decompose, refers_to_regno_for_reload_p,
123 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
124 * resource.c (update_live_status, mark_referenced_resources,
125 mark_set_resources): Use subreg_nregs.
127 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
129 * loop-unswitch.c (unswitch_loop): Update arguments of
130 duplicate_loop_to_header_edge call.
131 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
132 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
133 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
135 * cfgloopmanip.c (loop_version): Ditto.
136 (duplicate_loop_to_header_edge): Change
137 type of to_remove to VEC(edge), remove n_to_remove argument.
138 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
139 Change type of to_remove to VEC(edge), remove n_to_remove argument.
140 (tree_unroll_loop): Update arguments of
141 tree_duplicate_loop_to_header_edge call.
142 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
143 Change type of to_remove to VEC(edge), remove n_to_remove argument.
144 * cfghooks.h (struct cfg_hooks): Type of
145 cfg_hook_duplicate_loop_to_header_edge changed.
146 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
147 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
148 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
150 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
152 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
153 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
154 (vec_widen_smult_lo_v8hi): New.
155 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
156 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
157 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
159 2006-12-20 Jan Hubicka <jh@suse.cz>
161 * cgraph.c: Update overall comment; fix vertical spacing.
162 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
164 2006-12-20 Jan Hubicka <jh@suse.cz>
166 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
168 (varpool_first_static_initializer, varpol_next_static_initializer): New
170 * ipa-reference.c (analyze_variable): Simplify.
171 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
172 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
174 2006-12-19 Andrew Pinski <pinskia@gmail.com>
177 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
180 2006-12-20 Ben Elliston <bje@au.ibm.com>
182 * doc/invoke.texi (Optimize Options): Typo fix.
184 2006-12-19 Eric Christopher <echristo@apple.com>
186 * config/darwin.c (machopic_select_section): Rewrite.
187 (darwin_text_section): New.
188 (darwin_rodata_section): Ditto.
189 (darwin_mergeable_string_section): Ditto.
190 (darwin_mergeable_constant_section): Ditto.
191 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
193 2006-12-19 Steve Ellcey <sje@cup.hp.com>
195 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
197 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
200 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
201 (STAGE1_CHECKING_CFLAGS): ... this.
203 2006-12-18 Andrew Pinski <pinskia@gmail.com>
206 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
207 READONLY on __builtin_altivec_mask_for_load instead of adding
210 2006-12-18 Roger Sayle <roger@eyesopen.com>
211 Eric Christopher <echristo@apple.com>
214 * real.c (real_maxval): Correctly handle IBM extended double format.
216 2006-12-19 Jan Hubicka <jh@suse.cz>
218 * expmed.c (expand_mult_const): Force operand to constant.
219 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
220 copy_rtx to arguments.
222 2006-12-19 Ben Elliston <bje@au.ibm.com>
224 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
226 2006-12-19 Ben Elliston <bje@au.ibm.com>
228 * cse.c (cse_insn): Fix formatting.
230 2006-12-18 Geoffrey Keating <geoffk@apple.com>
232 * doc/invoke.texi (Debugging Options): Document -g0.
233 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
234 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
236 2006-12-18 Ian Lance Taylor <iant@google.com>
238 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
239 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
242 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
244 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
245 (struct vuse_optype_d): Delete.
246 (SSA_OPERAND_MEMORY_SIZE): Delete.
247 (struct ssa_operand_memory_d): Change mem array to size one.
248 (NUM_VOP_FREE_BUCKETS): Define.
249 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
250 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
251 * tree-pretty-print.c (dump_vops): Use voptype_d type.
252 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
253 which fit into a chunk of memory from a specific bucket.
254 (vop_free_bucket_index): New. Find correct size memory bucket.
255 (init_vop_buckets): New. Initialize VOP free memory buckets.
256 (add_vop_to_freelist): New. Add a VOP to the correct free list.
257 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
258 (init_ssa_operands): Initialize operand memory and free lists.
259 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
260 (ssa_operand_alloc): Use graduated size memory allocation.
261 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
262 INITIALIZE_USE): Remove.
263 (alloc_vop): New. Allocate a virtual operand.
264 (alloc_vdef, alloc_vuse): Delete.
265 (add_def_op, add_use_op): Directly setup pointers.
266 (add_vop): New. Add a virtual operand.
267 (add_vuse_op, add_vdef_op): Call add_vop.
268 (realloc_vop): New. Reallocate a virtual operand.
269 (realloc_vdef, realloc_vuse): Call realloc_vop.
270 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
271 (finalize_ssa_defs): Optimize for common case, remove code based on
272 sorted pointers which was a waste of time.
273 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
274 (finalize_ssa_uses): Update last pointer.
275 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
276 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
277 directly manipulate pointers.
278 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
280 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
282 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
283 determine if memory operand is an indexed address or not.
285 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
287 * cselib.c (struct cselib_val_struct): Make val_rtx its
288 own field, remove the union that contained it.
289 * cselib.c: Update accordingly where necessary.
291 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
293 * cse.c (have_eh_succ_edges): New function.
294 (cse_insn): Don't remove dead EH edges here
295 (cse_extended_basic_block): Do it here.
296 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
297 that we have removed all dead edges.
299 2006-12-17 Matthias Klose <doko@debian.org>
302 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
304 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
306 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
307 (cse_extended_basic_block): When truncating a path while processing
308 it, make sure to clear the visited bit on the basic blocks in the
309 truncated part of the path.
310 (cse_main): Use reverse completion order, not DFS order, to walk
312 (gate_handle_cse): Revert erroneous commit of a counter.
314 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
316 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
317 variables, moved out from cse_insn.
318 (prev_insn): Remove this global variable).
319 (new_basic_block): Don't set it.
320 (cse_insn): Idem. Also, move code to delete unused CC0-setter
321 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
323 (cse_extended_basic_block): ...to here. Do not clear
324 prev_insn_cc0 until after recording equivalences from jumps.
326 2006-12-16 Jan Hubicka <jh@suse.cz>
328 * cgraphunit.c (ipa_passes): Clear current_function_decl.
330 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
332 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
334 2006-12-16 Jan Hubicka <jh@suse.cz>
336 * omp-low.c (expand_omp_parallel): Set function properties.
337 * function.h (struct function): Add curr_properties and last_verified.
338 * passes.c (register_dump_files): Do not set TODO_set_props for the
340 (init_optimization_passes): Set it here; reorder initialization so the
341 dump files appear in more logical order.
342 (last_verified, curr_properties): Kill.
343 (do_per_function): New function.
344 (execute_function_todo): Break out from ...
345 (execute_todo): ... here; handle per-function flags.
346 (clear_last_verified, verify_curr_properties,
347 update_properties_after_pass): New functions.
348 (execute_one_pass): Handle per-function properties.
349 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
350 and current_function_decls are cleared out.
351 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
354 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
357 * c.opt (Wempty-body): New.
358 * doc/invoke.texi (Wempty-body): Document it.
359 (Wextra): Enabled by -Wextra.
360 * c-opts.c (c_common_post_options): Enabled by -Wextra.
361 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
362 * c-parser.c (c_parser_c99_block_statement): Likewise.
364 2006-12-15 Jakub Jelinek <jakub@redhat.com>
367 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
370 2006-12-15 Andrew Pinski <pinski@gmail.com>
373 * tree-inline.c (setup_one_parameter): Gimplify the statement if
374 the variable is not a gimple register variable.
376 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
378 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
380 2006-12-14 Jan Hubicka <jh@suse.cz>
382 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
385 2006-12-14 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/30197
388 * builtins.c (fold_builtin_cexp): New function to fold cexp
389 to cexpi and exp parts.
390 * tree-ssa-pre.c (try_combine_conversion): Also handle
391 REALPART_EXPR and IMAGPART_EXPR.
393 2006-12-14 Richard Guenther <rguenther@suse.de>
396 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
397 + __complex__ ( 0, y ) to __complex__ ( x, y ).
398 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
400 2006-12-14 Richard Guenther <rguenther@suse.de>
402 PR tree-optimization/30198
403 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
404 Fold IMAGPART_EXPR of cexpi to sin.
406 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
407 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
409 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
410 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
412 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
413 (spu_builtin_mask_for_load): New.
414 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
415 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
416 (vec_realign_load_<mode>, spu_lvsr): New.
418 2006-12-13 Ian Lance Taylor <iant@google.com>
422 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
423 to warn_about_parentheses in c-common.c.
424 * c-common.c (warn_about_parentheses): New function.
425 * c-common.h (warn_about_parentheses): Declare.
426 * doc/invoke.texi (Warning Options): Update -Wparentheses
429 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
431 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
433 (constant_multiple_of): Fix order of operators for division.
434 (aff_combination_const, aff_combination_elt, aff_combination_scale,
435 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
436 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
437 aff_combination_to_tree): Moved to tree-affine.c and made to work with
438 double_int coefficients.
439 (get_computation_aff, get_computation_at): Work with double_int
441 (get_computation_cost_at): Do not use divide.
442 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
443 Assert that expressing the computation did not fail.
444 * tree-ssa-address.c: Include tree-affine.h.
445 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
446 create_mem_ref): Work with double_int coefficients.
447 * tree-affine.c: New file.
448 * tree-affine.h: New file.
449 * tree-flow.h (struct affine_tree_combination): Removed.
450 * Makefile.in (tree-affine.o): Add.
451 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
454 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
458 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
459 the offset == 0 "then" clauses.
460 * config/rs6000/predicates.md (gpc_reg_operand): Check for
463 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
465 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
466 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
467 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
468 (FRAME_POINTER_REGNUM): Update register number to 20.
469 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
470 (HI_REGISTER_NAMES): Remove "dirflag".
472 * config/i386/i386.c (regclass_map): Remove dirflag entry.
473 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
475 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
477 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
478 (sse_prologue_save, *sse_prologue_save_insn): Renumber
479 hardcoded SSE register numbers.
481 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
482 hardcoded MMX register numbers.
485 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
487 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
488 FLDMX. Rename function to...
489 (vfp_output_fldmd): ...this.
490 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
492 (vfp_output_fstmd): ...this.
493 (vfp_emit_fstmx): Don't leave space in the frame layout for the
494 FSTMX format word. Rename function to...
495 (vfp_emit_fstmd): ...this.
496 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
498 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
499 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
500 word. Also emit "vsave" assembler directives in such cases rather
502 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
503 gnu_Unwind_Save_VFP): Adjust comments.
504 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
505 for saving and restoring using FSTMD and FLDMD rather than
507 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
508 New functions for saving and restoring the VFPv3 registers 16 .. 31.
509 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
510 compilation case to correctly handle unwind opcode 0xc8 when using
512 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
513 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
514 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
515 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
517 (restore_non_core_regs): Restore registers using FLDMD rather than
518 FLDMX if required. Also handle restoration of VFPv3 registers.
519 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
520 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
521 including cases where the caller specifies a range of registers
522 that overlaps the d15/d16 boundary.
524 2006-12-13 Diego Novillo <dnovillo@redhat.com>
527 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
528 accomodate 511 operands.
530 2006-12-13 Richard Guenther <rguenther@suse.de>
532 * builtins.c (expand_builtin_cexpi): Fix typo.
534 2006-12-13 Jan Hubicka <jh@suse.cz>
536 * Makefile.in: Add dependencies.
537 * tree-pretty-print.c: Include value-prof.h
538 (dump_generic_bb_buff): Dump histograms
539 * value-prof.c: Include pointer-set.h
540 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
541 set_histogram_value, gimple_histogram_value,
542 gimple_add_histogram_value, gimple_remove_histogram_value,
543 gimple_histogram_value_of_type, dump_histogram_value,
544 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
545 gimple_duplicate_stmt_histograms, visit_hist,
546 verify_histograms): New functions.
547 (tree_value_profile_transformations): Update for new histogram API.
548 (tree_divmod_fixed_value): Update for new histogram API.
549 (tree_divmod_fixed_value_transform): Update for new histogram API.
550 (tree_mod_pow2): Update for new histogram API.
551 (tree_mod_pow2_value_transform): Update for new histogram API.
552 (tree_mod_subtract): Update for new histogram API.
553 (tree_mod_subtract_transform): Update for new histogram API.
554 (tree_stringops_transform): Update for new histogram API.
555 (tree_divmod_values_to_profile): Update for new histogram API.
556 (tree_stringops_values_to_profile): Update for new histogram API.
557 (tree_find_values_to_profile): Update for new histogram API.
558 * value-prof.h (gimple_histogram_value): Declare.
559 (gimple_histogram_value_of_type): Declare.
560 (gimple_add_histogram_value): Declare.
561 (gimple_remove_histogram_value): Declare.
562 (dump_histograms_for_stmt): Declare.
563 (gimple_remove_histogram_value): Declare.
564 (gimple_remove_stmt_histograms): Declare.
565 (gimple_duplicate_stmt_histograms): Declare.
566 (verify_histograms): Declare.
568 (struct funrction): Add value_histograms hash.
569 (VALUE_HISTOGRAMS): New macro.
570 * profile.c (compute_value_histograms): update for new API.
571 * tree-inline.c: Include value-prof.h
572 (copy_bb): Update histograms.
573 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
574 reorder to get smaller memory layout.
575 * tree-cfg.c: Include value-prof.h
576 (bsi_remove): Update histograms.
577 (bsi_replace): Update histograms.
578 (verify_stmts): Call histogram verifier.
579 (tree_duplicate_bb): Update histograms.
580 (move_block_to_fn): Update histograms.
582 2006-12-13 Richard Guenther <rguenther@suse.de>
584 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
586 (cgraph_decide_inlining): Likewise.
588 2006-12-13 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/17687
591 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
592 New builtins for imaginary argument cexp.
593 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
594 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
595 New required builtin types.
596 * builtins.c (expand_builtin_cexpi): Declare.
597 (mathfn_built_in): Handle BUILT_IN_CEXPI.
598 (expand_builtin_cexpi): New static helper.
599 (expand_builtin): Call it.
600 (do_mpfr_sincos): Adjust for CEXPI evaluation.
601 (fold_builtin_sincos): New function to fold sincos to cepxi.
603 2006-12-13 Richard Guenther <rguenther@suse.de>
605 * ipa-reference.c (scan_for_static_refs): Also scan
606 tcc_comparison class trees.
608 2006-12-12 David Daney <ddaney@avtrex.com>
610 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
613 2006-12-12 Andrew Pinski <pinskia@gmail.com>
615 * tree-vect-transform.c (vect_permute_load_chain):
616 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
619 2006-12-13 Sa Liu <saliu@de.ibm.com>
620 Ben Elliston <bje@au.ibm.com>
622 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
623 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
624 * config/spu/spu-protos.h (spu_c_common_override_options):
626 * config/spu/spu-c.c (spu_c_common_override_options): New.
627 * config/spu/spu.c (spu_override_options): Whitespace fix.
629 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
631 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
633 2006-12-12 Geoffrey Keating <geoffk@apple.com>
635 * mips-tdump.c: Replace CROSS_COMPILE with
636 CROSS_DIRECTORY_STRUCTURE.
637 * mips-tfile.c: Likewise.
639 * configure.ac: Likewise.
640 * cppdefault.c: Likewise.
641 * Makefile.in: Likewise.
642 * config/alpha/osf.h: Likewise.
643 * config/i386/cygwin.h: Likewise.
644 * config/i386/beos-elf.h: Likewise.
645 * config/i386/nto.h: Likewise.
646 * config/fr30/fr30.h: Likewise.
647 * config/svr4.h: Likewise.
648 * config/rs6000/aix.h: Likewise.
649 * config/rs6000/sysv4.h: Likewise.
650 * config/pa/pa64-hpux.h: Likewise.
651 * config/pa/pa-hpux10.h: Likewise.
652 * config/pa/pa-hpux11.h: Likewise.
653 * collect2.c: Likewise.
654 * configure: Regenerate.
656 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
657 actually takes an unsigned HOST_WIDE_INT for its second parameter.
659 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
661 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
662 (spu_encode_section_info): New.
663 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
664 (SYMBOL_FLAG_ALIGN1): New.
666 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
669 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
670 bitmap for EXECUTE_IF_SET_IN_BITMAP.
672 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
675 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
676 (DECL_GIMPLE_REG_P): This.
677 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
679 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
680 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
681 and check for VECTOR_TYPE.
682 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
684 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
686 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
687 and check for VECTOR_TYPE.
688 (gimplify_bind_expr): Likewise.
689 (gimplify_function_tree): Likewise.
690 * expmed.c: Include target.h.
691 (extract_bit_field): For vector mode, try find a better mode first.
692 If that fails use gen_lowpart (for vectors only).
693 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
694 and check for VECTOR_TYPE.
695 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
696 (insert_into_preds_of_block): Likewise.
697 (insert_fake_stores): Create gimple register store_tmps for
699 * tree-sra.c (sra_elt): New field, is_vector_lhs.
700 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
701 are the left hand side, set the element's is_vector_lhs to true.
702 (instantiate_element): For vector types which were on the left
703 hand size, set DECL_GIMPLE_REG_P to false.
704 * tree-nested.c (create_tmp_var_for): Use the renamed
706 * tree-inline.c (declare_return_variable): Use the renamed
707 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
708 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
709 (copy_result_decl_to_var): Likewise.
710 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
711 create a gimple register variable.
712 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
713 vect_inter_* temp variables.
714 * Makefile.in (expmed.o): Update dependencies.
716 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
718 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
719 the offset == 0 "then" clauses.
720 * config/rs6000/predicates.md (gpc_reg_operand): Check for
723 2006-12-12 Marcin Dalecki <martin@dalecki.de>
725 * doc/passes.texi: remove docs about "redundant PHI removal".
726 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
727 remove redundant pass_partition_blocks declaration.
729 2006-12-12 Andrew Macleod <amacleod@redhat.com>
731 PR tree-optimization/30159
732 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
733 functions in case a default_def coalesce is required.
735 2006-12-12 Jakub Jelinek <jakub@redhat.com>
738 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
740 * config/ia64/linux.h (CPP_SPEC): Define.
741 * config/s390/linux.h (CPP_SPEC): Define.
743 2006-12-12 Jim Wilson <wilson@specifix.com>
744 Jakub Jelinek <jakub@redhat.com>
746 PR rtl-optimization/27761
747 * combine.c (try_combine): Don't create a useless garbage SET
748 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
749 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
750 and use it to prevent accidental modification of i1src.
752 2006-12-12 Ira Rosen <irar@il.ibm.com>
754 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
755 for stores with gaps.
756 * tree-vect-transform.c (vect_permute_store_chain): Create
757 interleave_high or interleave_low according to the endianess.
759 2006-12-12 Richard Guenther <rguenther@suse.de>
762 * fold-const.c (fold_read_from_constant_string): Only fold read
763 from constant string if the result type is integer.
765 2006-12-12 Olivier Hainque <hainque@adacore.com>
767 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
769 2006-12-12 Olivier Hainque <hainque@adacore.com>
771 * config/vxlib.c: Extract tls related routines into ...
772 * config/vxlib-tls.c: New file.
773 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
775 2006-12-12 Sa Liu <saliu@de.ibm.com>
776 Ben Elliston <bje@au.ibm.com>
778 * config/spu/spu.opt (mfixed-range): New option.
779 * config/spu/spu.h (spu_fixed_range_string): Declare.
780 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
781 (fix_range): New function.
782 * doc/invoke.texi (SPU Options): Document -mfixed-range.
783 * testsuite/gcc.target/spu/fixed-range.c: New.
784 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
786 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
790 * cgraphunit.c (cgraph_optimize): Remove call to
791 process_pending_assemble_externals.
793 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
795 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
797 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
798 (ia64_hpux_add_extern_decl): Removed.
799 (ia64_hpux_file_end): Likewise.
800 (extern_func_list): Likewise.
801 (extern_func_head): Likewise.
803 * output.h (assemble_external): Update comments.
804 (default_elf_asm_output_external): New.
805 (maybe_assemble_visibility): New.
807 * toplev.c (compile_file): Update comment.
809 * varasm.c (assemble_external): Always put it on
810 pending_assemble_externals.
811 (maybe_assemble_visibility): Make it extern and return int.
812 (default_elf_asm_output_external): New.
814 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
816 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
817 can't handle the pointer arithmetic.
819 2006-12-11 Diego Novillo <dnovillo@redhat.com>
821 * doc/tree-ssa.texi: Update documentation for virtual operands
822 and the use of push_stmt_changes/pop_stmt_changes.
823 * doc/invoke.texi: Remove documentation for params
824 global-var-threshold.
825 Update documentation on max-aliased-vops.
827 * tree-into-ssa.c: Cleanup comments, variables and
828 spacing in various functions.
829 (regs_to_rename): Declare.
830 (mem_syms_to_rename): Declare.
831 (dump_update_ssa): Declare.
832 (debug_update_ssa): Declare.
833 (dump_names_replaced_by): Declare.
834 (debug_names_replaced_by): Declare.
835 (dump_def_blocks): Declare.
836 (debug_def_blocks): Declare.
837 (dump_defs_stack): Declare.
838 (debug_defs_stack): Declare.
839 (dump_currdefs): Declare.
840 (debug_currdefs): Declare.
841 (mark_def_sites): Do not handle virtual operands.
842 (compute_idf): Rename from find_idf. Update users.
843 (register_new_def): Make local. Convert second argument
845 Use BLOCK_DEFS_STACK directly.
846 If pushing a non-register, also push the underlying
848 (rewrite_stmt): Do not handle virtual operands.
849 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
850 dump_currdefs and dump_tree_ssa_stats.
851 (dump_tree_ssa_stats): Also dump REPL_TBL.
852 (replace_use): Remove. Update all users to call SET_USE
854 (rewrite_blocks): Move code to free memory to
856 (mark_def_site_blocks): Move initialization code to
858 (init_ssa_renamer): New.
859 (fini_ssa_renamer): New.
860 (rewrite_into_ssa): Call them.
861 (prepare_block_for_update): Process SSA_OP_ALL_USES first
862 and SSA_OP_ALL_DEFS later. Do not process virtual
864 (dump_update_ssa): Call dump_decl_set.
865 (init_update_ssa): Initialize regs_to_rename and
867 Call init_ssa_renamer.
868 (delete_update_ssa): Call fini_ssa_renamer.
869 Free blocks_with_phis_to_rewrite.
870 (mark_sym_for_renaming): If the variable has
871 sub-variables, also mark them.
872 If the variable belongs to a partition, also mark it.
873 (mark_set_for_renaming): Call mark_sym_for_renaming on
874 every symbol in the set.
875 (switch_virtuals_to_full_rewrite): Call
876 mark_set_for_renaming.
877 (update_ssa): Separate syms_to_rename into regs_to_rename
878 and mem_syms_to_rename.
880 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
881 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
882 (debug_generic_stmt): Likewise.
883 (debug_tree_chain): Likewise.
885 (dump_generic_node): Check for TDF_MEMSYMS.
886 Handle MEMORY_PARTITION_TAG.
887 If the statement references memory and TDF_MEMSYMS is
888 given, call dump_symbols.
889 Indicate default names with (D).
890 (dump_vops): Update for new virtual operator format.
892 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
893 tree_contains_struct.
894 (tree_code_size): Handle MEMORY_PARTITION_TAG.
895 (tree_node_structure): Likewise.
896 (needs_to_live_in_memory): Handle SSA names.
897 * tree.h (MTAG_P): Likewise.
898 (struct tree_memory_partition_tag): Declare.
899 (MPT_SYMBOLS): Define.
900 (union tree_node): Add field 'mpt'.
901 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
902 * tree.def (MEMORY_PARTITION_TAG): Define.
904 * tree-pass.h (TDF_MEMSYMS): Define.
906 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
908 * tree-ssa-alias.c: Include pointer-set.h
909 (struct alias_map_d): Remove fields total_alias_vops,
910 grouped_p and may_aliases. Update all users.
911 (struct mp_info_def): Declare.
912 (mp_info_t): New type.
913 (get_smt_for): Rename from get_tmt_for. Update all
915 (add_may_alias): Add argument ALREADY_ADDED. If given,
916 use it to avoid adding duplicate entries to alias sets.
917 (replace_may_alias): Remove. Update all users.
918 (total_alias_vops_cmp): Remove. Update all users.
919 (group_aliases_into): Remove. Update all users.
920 (tree_pointer_compare): Remove. Update all users.
921 (compact_name_tags): Remove. Update all users.
922 (group_aliases): Remove. Update all users.
923 (mark_non_addressable): Move from tree-flow-inline.h.
924 Remove the symbol from the partition holding it, if
927 (debug_mp_info): New.
929 (create_partition_for): New.
930 (rewrite_alias_set_for): New.
931 (compute_memory_partitions): New.
932 (compute_may_aliases): Call it.
933 (init_alias_info): If computing aliases for the first
934 time, mark every memory symbol for renaming.
935 (have_common_aliases_p): New.
936 (compute_flow_insensitive_aliasing): Call it.
937 (setup_pointers_and_addressables): Do not cache
939 For register promoted symbols, mark their former
940 partition for renaming.
941 (maybe_create_global_var): Only create .GLOBAL_VAR if
942 there are no call-clobbered variables and a mix of pure
943 and non-pure functions were found.
944 (may_alias_p): Tidy comments.
945 (create_tag_raw): Remove unused variable new_type.
946 (dump_alias_info): call dump_memory_partitions.
947 (dump_points_to_info_for): Call dump_decl_set.
948 (may_be_aliased): Tidy comments and formatting.
950 * timevar.def (TV_MEMORY_PARTITIONING): Define.
951 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
952 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
954 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
955 * tree-vect-transform.c (vect_transform_loop): Call
956 mark_set_for_renaming with vect_memsyms_to_rename.
957 * tree-flow-inline.h (zero_imm_uses_p): New.
958 (memory_partition): New.
959 (set_memory_partition): New.
960 (factoring_name_p): New.
961 (symbol_mem_tag): New. Update every function that used
962 to access the annotation directly.
963 (set_symbol_mem_tag): Likewise.
965 * tree-ssa-copy.c (may_propagate_copy): Allow copies
966 between a partition and a symbol as long as the symbol
967 belongs to the partition.
968 (merge_alias_info): Ignore merge requests when memory
969 partitions are involved.
971 * tree-ssa.c (verify_ssa_name): Check that default
972 definitions have empty defining statements.
973 (verify_use): Remove argument IS_VIRTUAL.
974 Don't call verify_ssa_name.
975 (verify_phi_args): Call verify_ssa_name.
976 (verify_flow_insensitive_alias_info): Handle MPTs.
977 (verify_flow_sensitive_alias_info): Likewise.
978 (verify_name_tags): Likewise.
979 (verify_call_clobbering): Likewise.
980 (verify_ssa): Check for VOPs only after aliasing
981 information is available.
982 Check virtuals and real operands separately.
983 Call verify_ssa_name on every operand.
984 (stmt_references_memory_p): Move to tree-ssa-operands.c.
985 (walk_use_def_chains_1): Guard against NULL PHI
988 * tree-ssa-operands.c (stmt_references_memory_p): Move from
991 (dump_memory_partitions): New.
992 (debug_memory_partitions): New.
994 * tree-flow.h (struct var_ann_d): Add field mpt.
995 (struct stmt_ann_d): Add bitfield references_memory.
996 * Makefile.in (tree-ssa-structalias.o): Include
998 (tree-ssa-alias.o): Likewise.
999 * tree-ssa-structalias.c: (update_alias_info): Use
1000 STORED_SYMS to determine which variables are being
1001 written to by the store operation.
1002 * tree-ssa-structalias.h (struct alias_info)
1003 <total_alias_vops>: Remove. Update all users.
1004 <written_vars>: Change to a pointer set. Update all
1006 <dereferenced_ptrs_store>: Likewise.
1007 <dereferenced_ptrs_load>: Likewise.
1008 (NUM_REFERENCES): Remove. Update all users.
1009 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1010 (NUM_REFERENCES_INC): Remove. Update all users.
1011 (NUM_REFERENCES_SET): Remove. Update all users.
1013 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1015 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1016 * tree-ssanames.c (make_ssa_name): Initialize
1017 SSA_NAME_IS_DEFAULT_DEF to 0.
1019 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1021 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1022 (dse_global_data): Add aggregate_vardecl field.
1023 (dse_possible_dead_store_p): New.
1024 Add prev_defvar variable.
1025 Allow immediate uses and previous immediate uses to differ
1026 if they are setting different parts of the whole.
1027 (get_aggregate_vardecl): New.
1028 (dse_record_partial_aggregate_store): New.
1029 (dse_whole_aggregate_clobbered_p): New.
1030 (dse_partial_kill_p): New.
1031 (dse_optimize_stmt): Abstract code checking a possible dead store
1032 into new function dse_possible_dead_store_p().
1033 Call dse_maybe_record_aggregate_store().
1034 When checking whether a STMT and its USE_STMT refer to the
1035 same memory address, check also for partial kills that clobber
1037 Move some variable definitions to the block where they are used.
1038 (aggregate_vardecl_hash): New.
1039 (aggregate_vardecl_eq): New.
1040 (aggregate_vardecl_free): New.
1041 (aggregate_whole_store_p): New.
1042 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1043 Mark which aggregate stores we care about.
1045 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1047 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1048 (vuse_element_t): Declare.
1049 (struct vuse_vec_d): Declare.
1050 (vuse_vec_p): Declare.
1051 (VUSE_VECT_NUM_ELEM): Define.
1052 (VUSE_VECT_ELEMENT_NC): Define.
1053 (VUSE_ELEMENT_PTR_NC): Define.
1054 (VUSE_ELEMENT_VAR_NC): Define.
1055 (VUSE_VECT_ELEMENT): Define.
1056 (VUSE_ELEMENT_PTR): Define.
1057 (VUSE_ELEMENT_VAR): Define.
1058 (struct maydef_optype_d) <use_var>: Remove.
1061 (struct vuse_optype_d) <kill_var>: Remove.
1064 (struct mustdef_optype_d) <kill_var>: Remove.
1067 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1068 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1070 (VUSE_VECT): Define.
1071 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1072 (MAYDEF_OP): Add argument. Use VUSE_OP.
1073 (MAYDEF_NUM): Define.
1074 (MAYDEF_VECT): Define.
1075 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1076 (MUSTDEF_KILL): Use VUSE_OP.
1077 (MUSTDEF_NUM): Define.
1078 (MUSTDEF_VECT): Define.
1079 (realloc_maydef): Declare.
1080 (realloc_vuse): Declare.
1081 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1082 <mayuse_index>: Add.
1083 (LOADED_SYMS): Define.
1084 (STORED_SYMS): Define.
1085 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1086 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1088 * tree-pretty-print.c: Likewise.
1089 * tree-ssa-dse.c: Likewise.
1090 * tree-flow-inline.h: Likewise.
1091 (op_iter_next_mustdef): New.
1092 * tree-ssa-operands.c: Likewise.
1093 (ALLOC_OPTYPE): Remove.
1097 (alloc_maydef): New.
1099 (alloc_mustdef): New.
1100 (realloc_maydef): New.
1101 (realloc_vuse): New.
1103 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1105 * tree-ssa-operands.c: Remove build_v_must_defs.
1106 (init_ssa_operands): Delete build_v_must_defs.
1107 (finalize_ssa_v_must_def_ops): Remove.
1108 (finalize_ssa_v_must_defs): Remove.
1109 (finalize_ssa_stmt_operands): Do not call
1110 finalize_ssa_v_must_defs.
1111 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1112 (append_v_must_def): Delete.
1113 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1114 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1115 comment. Remove opf_kill_def.
1116 (build_ssa_operands): Remove references to v_must_defs.
1117 (copy_virtual_operands): Same.
1118 (copy_virtual_operands): Same.
1119 (fini_ssa_operands): Same.
1120 (free_ssa_operands): Same.
1121 (add_mustdef_op): Remove.
1122 Remove mustdef_optype_p.
1123 (alloc_mustdef): Remove.
1124 Remove references to V_MUST_DEFs in comment at top of file.
1125 (get_expr_operands): Remove opf_kill_def.
1126 (opf_kill_def): Remove.
1127 (add_virtual_operand): Remove opf_kill_def.
1128 (get_indirect_ref_operands): Same.
1129 (get_tmr_operands): Same.
1131 * tree-vectorizer.c (rename_variables_in_bb): Remove
1134 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1136 (check_loop_closed_ssa_stmt): Same.
1138 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1140 (verify_ssa): Remove V_MUST_DEFs traces.
1141 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1143 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1145 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1146 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1148 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1150 (MUSTDEF_OPS): Remove.
1151 (SSA_OP_VMUSTDEF): Remove.
1152 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1153 (struct mustdef_optype_d): Remove.
1154 Remove mustdef_optype_p.
1155 (struct stmt_operands_d): Remove mustdef_ops.
1156 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1157 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1158 (MUSTDEF_RESULT_PTR): Remove.
1159 (MUSTDEF_RESULT): Remove.
1160 (MUSTDEF_KILL_PTR): Remove.
1161 (MUSTDEF_KILL): Remove.
1162 (MUSTDEF_NUM): Remove.
1163 (MUSTDEF_VECT): Remove.
1164 (SSA_OP_VIRTUAL_KILLS): Remove.
1165 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1166 (SSA_OP_VMUSTKILL): Remove.
1167 (SSA_OP_ALL_KILLS): Remove.
1168 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1170 * tree-flow-inline.h (op_iter_init_def): Remove
1171 SSA_OP_VIRTUAL_KILLS.
1172 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1174 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1175 SSA_OP_VIRTUAL_KILLS.
1177 * tree-ssa-loop-im.c (determine_max_movement): Remove
1178 SSA_OP_VIRTUAL_KILLS.
1179 (gather_mem_refs_stmt): Same.
1180 (gather_mem_refs_stmt): Same.
1182 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1183 (perform_tree_ssa_dce): Remove call to
1184 mark_really_necessary_kill_operand_phis.
1186 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1188 (op_iter_next_use): Do not check mustkills.
1189 (op_iter_next_def): Do not check mustdefs.
1190 (op_iter_next_tree): Do not check mustkills or mustdefs.
1191 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1192 (op_iter_next_maymustdef): Do not check mustkills.
1193 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1194 (op_iter_init_mustdef): Remove.
1196 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1199 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1201 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1202 (visit_assignment): Same.
1204 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1206 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1208 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1210 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1211 Remove kill_p variable.
1213 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1214 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1215 (collect_dfa_stats_r): Do not set num_v_must_defs.
1216 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1219 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1222 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1223 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1225 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1228 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1230 PR rtl-optimization/30113
1231 * loop-iv.c (implies_p): Require the mode of the operands to be
1234 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1236 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1237 Rename from create_ssa_artficial_load_stmt. Update all users.
1238 * tree-into-ssa.c (register_new_def): Make static.
1239 * tree.c (is_global_var): Handle SSA_NAMEs.
1240 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1241 that used to call gimple_default_def.
1242 * tree-ssa-operands.c (push_stmt_changes): New.
1243 (pop_stmt_changes): New. Update every pass that modifies
1244 statements to bracket modifications with
1245 push_stmt_changes/pop_stmt_changes.
1246 (discard_stmt_changes): New.
1247 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1248 'tree *' instead of 'tree'. Update all users.
1249 * tree-flow-inline.h (zero_imm_uses_p): New.
1250 (symbol_mem_tag): New. Update every function that used
1251 to access the annotation directly.
1252 (set_symbol_mem_tag): Likewise.
1253 * tree-dfa.c (dump_variable): Always show the escape mask.
1254 (mark_symbols_for_renaming): Rename from
1255 mark_new_vars_to_rename. Update all users.
1256 Only mark to rename naked symbols in real and virtual
1259 2006-12-11 Andreas Schwab <schwab@suse.de>
1261 * varasm.c (elf_record_gcc_switches): Cast second argument of
1262 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1264 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1266 * tree-scalar-evolution.c (scev_const_prop):
1267 * tree-phinodes.c (remove_phi_node): Add argument
1268 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1271 * tree-ssa-dce.c: Remove forward declarations for static
1272 functions. Re-arrange functions bodies as needed.
1273 (find_obviously_necessary_stmts): Never mark PHI nodes as
1274 obviously necessary.
1276 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1278 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1280 2006-12-11 Jan Hubicka <jh@suse.cz>
1282 * value-prof.c (tree_stringops_transform): New.
1283 (tree_value_profile_transformations): Require count to be non-zero;
1284 call stringop transform; reset stmt BSI after BB changed.
1285 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1286 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1287 (tree_stringops_values_to_profile): New.
1288 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1289 * tree.h (build_string_literal): Tidy prototype.
1290 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1292 * builtins.c (validate_arglist, builtin_memset_read_str,
1293 get_pointer_alignment): Export.
1295 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1299 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1301 * config/i386/i386.opt: New target option -mx87regparm.
1303 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1304 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1305 (X87_REGPARM_MAX): Define.
1307 * config/i386/i386.c (override_options): Error out for
1308 -mx87regparm but no 80387 support.
1309 (ix86_attribute_table): Add x87regparm.
1310 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1311 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1312 (ix86_function_x87regparm): New function.
1313 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1315 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1317 (function_arg_advance): Process x87_nregs and x87_regno when
1318 floating point argument is to be passed in 80387 register.
1319 (function_arg): Pass XFmode arguments in 80387 registers for local
1320 functions. Pass SFmode and DFmode arguments to local functions
1321 in 80387 registers when flag_unsafe_math_optimizations is set.
1323 * reg-stack.c (convert_regs_entry): Disable NaN load for
1324 stack registers that are used for argument passing.
1326 * doc/extend.texi: Document x87regparm function attribute.
1327 * doc/invoke.texi: Document -mx87regparm.
1329 2006-12-11 Jan Hubicka <jh@suse.cz>
1331 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1332 * cgraph.c: Update comments.
1333 (cgraph_varpool_hash,
1334 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1335 cgraph_varpool_node_name, cgraph_varpool_node,
1336 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1337 cgraph_variable_initializer_availability): Move to
1338 varpool.c and drop cgraph_ prefixes.
1339 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1340 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1341 move to varpool.c; drop cgraph_ prefix; make static.
1342 (dump_cgraph_varpool_node): Move to varpool.c under name
1344 (dump_varpool, hash_varpool_node, eq_varpool_node,
1345 decide_is_variable_needed): Move to varpool.c
1346 (decl_assembler_name_equal): Move to tree.c.
1347 (availability_names): Rename to ...
1348 (cgraph_availability_names): ... this one.
1349 (dump_cgraph_node): Update.
1350 * cgraph.h: Reorder declarations now in varpool.c
1351 (cgraph_vailablity_names): Declare.
1352 (struct cgraph_varpool_node): Rename to ...
1353 (struct varpool_node): ... this one.
1354 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1355 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1356 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1357 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1358 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1359 cgraph_variable_initializer_availability): Rename to ...
1360 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1361 varpool_first_unanalyzed_node, varpool_node,
1362 varpool_node_for_asm, varpool_mark_needed_node,
1363 varpool_finalize_decl, varpool_enqueue_needed_node,
1364 varpool_assemble_pending_decls, variable_initializer_availability):
1366 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1367 * tree.h (decl_assembler_name_equal): Declare.
1368 * omp-low.c (lower_omp_critical): Update.
1369 * ipa-reference (analyze_variable, static_execute): Likewise.
1370 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1371 * cgraphunit.c: Update comments.
1372 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1373 varpool_assembled_nodes_queue.
1374 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1375 varpool_analyze_pending_decls.
1376 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1377 varpool_remove_unreferenced_decls.
1378 (record_reference): Update.
1379 (cgraph_create_edges): Update.
1380 (record_referneces_in_initializer): New function.
1381 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1382 varpool_assemble_decl; make global.
1383 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1384 varpool_assemble_pending_decls.
1385 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1386 struct cgraph_order_sort, cgraph_output_in_order,
1387 cgraph_function_and_variable_invisibility, cgraph_optimize,
1388 cgraph_increase_alignment): Update.
1389 * dwarf2out.c (decls_for_scope): Likewise.
1390 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1391 * except.c (output_ttype): Likewise.
1392 * varasm.c (mark_decl_referenced): Likewise.
1393 (find_decl_and_mark_referenced, assemble_alias): update.
1394 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1395 * passes.c (rest_of_decl_compilation): Update.
1397 2006-12-11 Ira Rosen <irar@il.ibm.com>
1399 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1400 GIMPLE_STMT_OPERAND.
1401 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1402 (vect_setup_realignment): Likewise.
1404 2006-12-11 Sa Liu <saliu@de.ibm.com>
1405 Ben Elliston <bje@au.ibm.com>
1407 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1408 (ENDFILE_SPEC): Likewise.
1409 * config/spu/spu.opt (mstdmain): New option.
1410 * config/spu/crti.asm: Remove.
1411 * config/spu/crtn.asm: Likewise.
1412 * config/spu/crt0.c: Likewise.
1413 * config/spu/crtend.c: Likewise.
1414 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1416 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1417 * doc/invoke.texi (SPU Options): Document -mstdmain.
1419 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1421 * doc/loop.texi: Document number_of_latch_executions and
1422 number_of_cond_exit_executions.
1423 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1424 chrec_is_positive, number_of_iterations_for_all_loops,
1425 scev_const_prop): Use number_of_latch_executions.
1426 (set_nb_iterations_in_loop): Do not increase the value of the
1427 number of iterations.
1428 (number_of_iterations_in_loop): Renamed to ...
1429 (number_of_latch_executions): ... this.
1430 (number_of_exit_cond_executions): New function.
1431 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1433 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1434 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1435 number_of_latch_executions.
1436 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1437 number_of_exit_cond_executions.
1438 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1439 * cfgloop.h (struct loop): Improve description of the nb_iterations
1442 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1444 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1445 (tree_pointer_compare): Remove.
1447 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1449 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1450 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1451 * tree-loop-linear.c (linear_transform_loops): Ditto.
1452 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1453 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1454 free_numbers_of_iterations_estimates): Ditto.
1455 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1456 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1457 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1458 * modulo-sched.c (sms_schedule): Ditto.
1459 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1460 tree_unroll_loops_completely): Ditto.
1461 * predict.c (predict_loops): Ditto.
1462 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1463 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1464 decide_unrolling_and_peeling): Ditto.
1465 * cfgloopmanip.c (unloop): Use delete_loop.
1466 (place_new_loop): Access larray vector instead of parray.
1467 (create_preheaders, force_single_succ_latches,
1468 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1469 * loop-doloop.c (doloop_optimize_loops): Ditto.
1470 * loop-invariant.c (move_loop_invariants): Ditto.
1471 * tree-cfg.c (replace_uses_by): Ditto.
1472 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1473 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1475 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1477 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1478 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1479 get_loop and get_chrec_loop.
1480 (number_of_iterations_for_all_loops): Use number_of_loops.
1481 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1482 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1483 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1485 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1486 chrec_convert_1): Use get_loop and get_chrec_loop.
1487 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1488 (loop_optimizer_init): Use FOR_EACH_LOOP.
1489 * tree-vectorizer.c (vect_loops_num): Removed.
1490 (vectorize_loops): Store number of loops locally. Use
1491 FOR_EACH_LOOP and get_loop.
1492 * tree-vectorizer.h (vect_loops_num): Removed.
1493 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1494 (find_data_references_in_loop): Do not set parallel_p.
1495 * tree-data-ref.h: Do not declare VEC(loop_p).
1496 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1497 verify_loop_structure): Use FOR_EACH_LOOP.
1498 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1499 (initialize_loops_parallel_p): Removed.
1500 (flow_loops_find): Push the loops into a vector.
1501 (delete_loop): New function.
1502 (cancel_loop): Use delete_loop.
1503 * cfgloop.h: Declare VEC(loop_p).
1504 (struct loop): Remove parallel_p field.
1505 (struct loops): Replace num and parray field by larray vector.
1506 Remove shared_headers field.
1507 (delete_loop): Declare.
1508 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1509 FOR_EACH_LOOP): New.
1510 * doc/loop.tex: Document new accessor functions.
1512 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1514 * common.opt (-ftree-lrs): Remove live range splitting option.
1515 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1516 * opts.c (decode_options): Remove flag_tree_live_range_split.
1517 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1518 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1519 * tree-outof-ssa.c: Remove header files which aren't needed.
1520 (SSANORM_*): Remove flags.
1521 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1522 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1523 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1524 (assign_vars): Use Basevar instead of root_var structure.
1525 (replace_def_variable): Dont do anything if def is replaceable.
1526 (remove_ssa_form): Integrate functional changes.
1527 (rewrite_out_of_ssa): Remove live-range_split option.
1528 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1529 (coalesce_cost): Calculate the cost of a coalesce.
1530 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1531 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1532 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1533 (pop_best_coalesce): Remove the best coalesce from the list.
1534 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1535 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1536 (create_coalesce_list): Create a coalesce list object.
1537 (delete_coalesce_list): Free a coalesce list object.
1538 (find_coalesce_pair): Find matching pair in the coalesce list.
1539 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1540 (add_coalesce): Add a coalesce to the coalesce list.
1541 (compare_pairs): Comparision function to determine pair sorted order.
1542 (num_coalesce_pairs): Number of coalesced pairs.
1543 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1544 Coalesce pair iterator functions.
1545 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1546 (dump_coalesce_list): Show coalesce list.
1547 (ssa_conflicts_new): Create an SSA conflict graph.
1548 (ssa_conflicts_delete): Delete an SSA conflict graph.
1549 (ssa_conflicts_test_p): Test for conflicts.
1550 (ssa_conflicts_add_one): Add a single conflict.
1551 (ssa_conflicts_add): Add a conflict pair.
1552 (ssa_conflicts_merge): Merge conflicts.
1553 (struct live_track_d): Struct for tracking live partitions.
1554 (new_live_track): Create new live_track object.
1555 (delete_live_track): Delete a live_track object.
1556 (live_track_remove_partition): Remove a partition from the live list.
1557 (live_track_add_partition): Add a partition from the live list.
1558 (live_track_clear_var): Take VAR from the live list.
1559 (live_track_live_p): Is var live?
1560 (live_track_process_use): Make var come alive.
1561 (live_track_process_def): Make var go dead, add conflicts.
1562 (live_track_init): Initialize to a live on exit set.
1563 (live_track_clear_base_vars): Clear live partitions.
1564 (build_ssa_conflict_graph): Build a conflict graph.
1565 (print_exprs): Common debug output routine.
1566 (abnormal_corrupt): Output info about a failed coalesce across an
1568 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1569 (create_outofssa_var_map): Create a var map and coalesce list.
1570 (attempt_coalesce): Coalesce a pair.
1571 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1572 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1573 * tree-ssa-live.c: Remove header files which aren't needed.
1574 (var_map_base_init): New. Initialize a basevar list.
1575 (var_map_base_fini): New. Finish a basevar list.
1576 (init_var_map): Initialize new fields.
1577 (delete_var_map): Free new fields.
1578 (var_union): Use renamed fields.
1579 (compact_var_map): Remove.
1580 (partition_to_view_init): Use renamed fields, change order of an if.
1581 (partition_view_fini): Use renamed fields.
1582 (partition_view_normal): Create basevar list if requested.
1583 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1584 (change_partition_var): Use renamed fields.
1585 (create_ssa_var_map): Remove.
1586 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1587 root_var_init): Remove.
1588 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1589 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1590 compare_pairs, num_coalesce_pairs, first_partition_pair,
1591 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1592 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1593 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1594 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1595 (dump_var_map): Use renamed fields.
1596 * tree-ssa-live.h (struct _var_map): Modify fields.
1597 (partition_to_var, version_to_var, var_to_partition): Use renamed
1599 (basevar_index): New. Index of the base variable of a partition.
1600 (num_basevars): New. Number of unique base variables in partition map.
1601 (register_ssa_partition): Use renamed fields.
1602 (struct tree_partition_associator_d): Remove.
1603 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1604 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1605 root_var, root_var_first_partition, root_var_next_partition,
1606 root_var_dump, root_var_delete, root_var_remove_partition,
1607 root_var_find, root_var_compact, root_var_decompact): Remove.
1608 (struct partition_pair, struct coalesce_list_d): Moved to
1610 * tree-ssa-ter.c: Remove header files which aren't needed.
1612 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1614 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1615 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1617 (cse_visited_basic_blocks): New static bitmap.
1618 (cse_end_of_basic_block, cse_basic_block): Remove.
1619 (cse_find_path, cse_dump_path, cse_prescan_path,
1620 cse_extended_basic_block): New static functions.
1621 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1622 basic block boundaries. Don't record jump equivalences here.
1623 Update the CFG after doing in-place replacement of the SET_SRC.
1624 (cse_main): Rewrite. Look for extended basic block headers
1625 and call cse_extended_basic_block on them until all paths that
1626 start at this header are exhausted.
1627 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1628 and correct after cse_main.
1629 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1630 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1631 (pass_cse): Add TODO_verify_flow.
1632 (pass_cse2): Likewise.
1634 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1636 * reload1.c (choose_reload_regs): Don't set byte offset when
1637 resolving subregs of hard regs.
1639 2006-12-09 Zack Weinberg <zackw@panix.com>
1641 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1642 suitable for the language, if set_yydebug is true.
1643 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1644 YYDEBUG or declare yydebug.
1645 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1647 2006-12-09 Jan Hubicka <jh@suse.cz>
1649 * cgraph.c: Update copyright.
1650 * cgraph.h: Likewise
1651 (cgraph_update_pending_function): Remove prototype.
1652 * cgraphunit.c: Update copyright; update overall comment.
1653 (cgraph_assemble_pending_functions): Make local.
1655 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1657 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1659 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1661 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1663 (cpat_const_p, gen_cpat_const): Add.
1664 * config/spu/spu.c (immediate_class): New enum.
1665 (cpat_info, classify_immediate): New.
1666 (print_operand): Use S, D, T instead of F, G, H. Use
1667 classify_immediate. Handle cpat cases.
1668 (spu_split_immediate): Renamed from spu_split_address. Split all
1669 immediates that can be split.
1670 (immediate_load_p): Use classify_immediate.
1671 (spu_legitimate_constant_p): Accept everything except some cases of
1673 (spu_expand_move): Use spu_split_immedate.
1674 (fsmbi_const_p): Use classify_immediate.
1675 (cpat_const_p): New.
1676 (gen_cpat_const: New.
1677 * config/spu/constraints.md (j,k,l): New constraints for cpat
1679 * config/spu/spu.md (unnamed splitter): Change address splitter to
1680 handle all immediates.
1681 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1683 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1686 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1689 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1690 patterns. Correct length of high:DI instruction sequence.
1692 2006-12-08 Mike Stump <mrs@apple.com>
1694 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1695 libgcc with -mmacosx-version-min=10.4.
1696 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1697 G4 for 10.5+ unless doing kernel builds.
1699 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1702 * reg-stack.c (convert_regs_entry): Mark current argument passing
1705 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1706 of float arguments in x87 registers.
1708 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1710 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1712 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1714 * recog.c (mode_dependent_address_p): Identify pre-increment,
1715 pre-decrement, post-increment and post-decrement addressing as always
1716 being mode-dependent.
1717 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1718 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1719 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1720 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1721 PRE_INC and POST_INC checks.
1722 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1723 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1724 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1725 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1726 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1727 PRE_INC, POST_DEC and POST_INC cases.
1728 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1729 Delete POST_INC and PRE_DEC cases.
1730 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1732 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1733 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1735 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1736 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1737 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1738 PRE_INC and PRE_DEC cases.
1739 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1740 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1741 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1742 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1743 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1744 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1745 auto-increment cases.
1746 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1747 auto-increment cases.
1748 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1750 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1752 * Makefile.in: Add new file tree-ssa-ter.c.
1753 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1754 free_temp_expr_table, add_value_to_version_list,
1755 add_value_to_partition_list, remove_value_from_partition_list,
1756 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1757 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1758 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1759 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1761 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1762 (struct value_expr_d): Remove.
1763 (struct temp_expr_table_d): Rename fields, add explicit vector of
1764 replaceable expressions instead of sharing. Change value_expr_p's to
1765 bitmap. Delete free_list.
1766 (new_temp_expr_table): Rename fields, count number of ssa_names in
1768 (free_temp_expr_table): Rename field, free new fields.
1769 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1770 add_info_to_list, remove_value_from_list): Delete.
1771 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1772 (make_dependent_on_partition): New. Set bit in version list, allocating
1773 a bitmap if need be.
1774 (add_to_partition_kill_list): New. Set bit in the partition list,
1775 allocating a bitmap if need be.
1776 (remove_from_partition_kill_list): New. Remove a bit from the
1777 partition list, free the bitmap if it is empty.
1778 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1779 on partitions with only one member.
1780 (is_replaceable_p): New. Split out replaceability check from
1782 (process_replaceable): New. Code split from check_replaceable.
1783 (check_replaceable): Removed.
1784 (finished_with_expr): Renamed from finish_expr.
1785 (kill_expr): Use renamed fields and less parameters.
1786 (kill_virtual_exprs): Less parameters.
1787 (mark_replaceable): Use renamed fields.
1788 (find_replaceable_in_bb): Use renamed fields, cleanup.
1789 (find_replaceable_exprs): Use renamed routines, cleanup.
1790 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1791 (debug_ter): New. Debug routine to dump state.
1793 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1795 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1796 anything involving the GOT.
1797 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1798 (trapping_loads_p): Look inside the pattern of an insn to find the
1800 * config/bfin/bfin.md (attr "type"): Add movcc.
1801 (insn_reservation "alu"): Likewise.
1802 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1804 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1806 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1807 (spu_resolve_overloaded_builtin): Check for non scalar instead
1808 of vector type and check the function call argument type also for
1810 Call build_function_call instead of spu_build_overload_builtin.
1812 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1814 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1815 to the calls of hwint_to_const_double.
1817 2006-12-07 Nick Clifton <nickc@redhat.com>
1819 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1820 elf_record_gcc_switches.
1822 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1824 * expr.c (string_constant): Account for non-zero lower bound arrays.
1826 2006-12-07 Richard Guenther <rguenther@suse.de>
1828 * builtins.c (expand_builtin_pow): Adjust predicates for
1829 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1832 2006-12-07 Jan Hubicka <jh@suse.cz>
1834 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1837 2006-12-07 Jan Hubicka <jh@suse.cz>
1839 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1840 use fold_constant_to_binary; tolerate wrong type constants.
1841 (value_intersect_p): Do just two tests.
1843 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1845 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1846 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1847 lshifthi3): Use it, and fix the order of alternatives.
1849 2006-12-07 Nick Clifton <nickc@redhat.com>
1851 * common.opt (record-gcc-switches): New command line switch.
1852 * target.h (print_switch_type): New enum.
1853 (print_switch_fn_type): New typedef for a function pointer.
1854 (struct gcc_target): Add record_gcc_switches and
1855 record_gcc_switches_section fields.
1856 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1858 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1860 * toplev.c (print_single_switch): Simplify by providing a
1861 pointer to function that will format and output the switch
1863 (print_switch_values): Likewise.
1864 (print_to_asm_out_file): New function.
1865 (print_to_stderr): New function.
1866 (init_asm_output): If flag_record_gcc_switches is set then if
1867 the target supports recording the switches then emit them into
1868 the assembler output file, otherwise tell the user that the
1869 switch is not supported.
1870 * varasm.c (eld_record_gcc_switches): New function. Example
1871 handler for the record_gcc_switches target hook.
1872 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1874 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1875 * doc/invoke.texi (-frecord-gcc-switches): Document.
1877 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1880 * sched-rgn.c (add_block1): Use correct initializer.
1882 2006-12-07 Richard Guenther <rguenther@suse.de>
1884 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1885 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1887 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1890 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1891 not GIMPLE_MODIFY_STMT.
1893 2006-12-06 Jan Hubicka <jh@suse.cz>
1895 * tree-vrp.c (operand_less_p): New.
1896 (compare_values, value_inside_range): Rewrite in terms of
1899 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1901 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1903 (length_immediate): Do not depend on cld type attribute.
1904 (length_address): Ditto.
1907 (cld): Remove insn pattern.
1908 (strmov_singleop): Do not use DIRFLAG_REG.
1909 (*strmovdi_rex_1): Ditto.
1910 (*strmovsi_1): Ditto.
1911 (*strmovsi_rex_1): Ditto.
1912 (*strmovhi_1): Ditto.
1913 (*strmovhi_rex_1): Ditto.
1914 (*strmovqi_1): Ditto.
1915 (*strmovqi_rex_1): Ditto.
1917 (*rep_movdi_rex64): Ditto.
1918 (*rep_movsi): Ditto.
1919 (*rep_movsi_rex64): Ditto.
1920 (*rep_movqi): Ditto.
1921 (*rep_movqi_rex64): Ditto.
1922 (strset_singleop): Ditto.
1923 (*strsetdi_rex_1): Ditto.
1924 (*strsetsi_1): Ditto.
1925 (*strsetsi_rex_1): Ditto.
1926 (*strsethi_1): Ditto.
1927 (*strsethi_rex_1): Ditto.
1928 (*strsetqi_1): Ditto.
1929 (*strsetqi_rex_1): Ditto.
1931 (*rep_stosdi_rex64): Ditto.
1932 (*rep_stossi): Ditto.
1933 (*rep_stossi_rex64): Ditto.
1934 (*rep_stosqi): Ditto.
1935 (*rep_stosqi_rex64): Ditto.
1936 (cmpstrnsi): Do not generate cld insn.
1937 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1938 (*cmpstrnqi_nz_1): Ditto.
1939 (*cmpstrnqi_nz_rex_1): Ditto.
1940 (cmpstrnqi_1): Ditto.
1941 (*cmpstrnqi_1): Ditto.
1942 (*cmpstrnqi_rex_1): Ditto.
1943 (strlenqi_1): Ditto.
1944 (*strlenqi_1): Ditto.
1945 (*strlenqi_rex_1): Ditto.
1947 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1948 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1949 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1951 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1952 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1954 (k6_alux_only_load): Ditto.
1955 (k6_alux_only_store): Ditto.
1957 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1958 Do not emit cld instruction.
1959 (ix86_expand_setmem): Ditto.
1960 (ix86_expand_strlen): Do not emit cld instruction.
1962 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1964 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1967 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1969 * gdbinit.in: Set complaints to 0.
1971 2006-12-06 Jan Hubicka <jh@suse.cz>
1973 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1974 ALONE_MEM_STAT_DECL): New macros.
1975 * bitmap.h: Include statistics.h
1976 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1977 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1978 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1979 * bitmap.c: Include hashtab.h
1980 (bitmap_descriptor): New.
1981 (bitmap_hash): New static variable
1982 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1983 New static functions.
1984 (bitmap_register): New.
1985 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1986 bitmap_obstack_release): Do accounting.
1987 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1989 (bitmap_gc_alloc_stat): Likewise.
1990 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1991 (print_statistics, dump_bitmap_statistics): New functions.
1992 * toplev.c (finalize): Dump bitmap statistics.
1994 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1996 * reload1.c (delete_output_reload): Count occurrences in
1997 CALL_INSN_FUNCTION_USAGE.
1998 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1999 crashing at the end of the list.
2001 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2003 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2004 Optimize to avoid marking more SMT's as used when they aren't.
2006 2006-12-05 Eric Christopher <echristo@apple.com>
2008 * config/i386/i386.c (x86_output_aligned_bss): Move out
2009 of COMMON_ASM_OP ifdef.
2011 2006-12-05 Eric Christopher <echristo@apple.com>
2013 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2014 (STARTFILE_SPEC): Use.
2015 (DARWIN_DYLIB1_SPEC): New.
2016 (DARWIN_CRT1_SPEC): New.
2017 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2019 * config/i386/darwin.h: Ditto.
2020 * config/rs6000/darwin.h: Ditto.
2022 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2024 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2025 * tree-complex.c (pass_lower_complex): Ditto.
2026 * tree-ssa-ccp.c (pass_ccp): Ditto.
2027 (pass_store_ccp): Ditto.
2028 * tree-ssa-dom.c (pass_dominator): Ditto.
2029 (pass_phi_only_cprop): Ditto.
2030 * tree-sra.c (pass_sra): Ditto.
2031 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2032 * tree-flow.h (updating_used_alone): Remove.
2033 (updating_used_alone): Ditto.
2034 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2035 (lhs_may_store_to): Remove function.
2036 (recalculate_used_alone): Ditto.
2037 (compute_may_aliases): Remove used_alone calculation.
2038 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2039 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2040 * tree-pass.h (PROP_smt_usage): Remove.
2041 * passes.c (execute_todo): Remove used alone recalculation.
2042 (execute_one_pass): Ditto.
2043 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2046 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2048 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2050 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2052 PR tree-optimization/14784
2053 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2055 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2057 Merge from gimple-tuples-branch.
2059 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2061 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2063 (s390_gimplify_va_arg): Same.
2064 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2065 * config/sh/sh.c (sh_va_start): Same.
2066 (sh_gimplify_va_arg_expr): Same.
2067 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2068 (xtensa_gimplify_va_arg_expr): Same.
2069 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2070 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2071 * config/mips/mips.c (mips_va_start): Same.
2072 (mips_gimplify_va_arg_expr): Same.
2074 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2076 * Merge from mainline at revision 119445.
2078 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2080 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2082 (spu_gimplify_va_arg_expr): Same.
2084 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2086 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2087 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2088 (xstormy16_expand_builtin_va_arg): Same.
2090 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2092 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2093 to GIMPLE_MODIFY_STMT.
2095 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2097 * config/alpha/alpha.c (va_list_skip_additions): Change all
2098 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2099 (alpha_va_start): Same.
2100 (alpha_gimplify_va_arg_1): Same.
2101 (alpha_gimplify_va_arg): Same.
2103 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2105 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2107 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2109 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2110 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2112 * tree-complex.c: Same.
2113 * tree-pretty-print.c: Same.
2117 * fold-const.c: Same.
2118 * tree-ssa-dom.c: Same.
2119 * tree-ssa-propagate.c: Same.
2120 * tree-ssa-alias.c: Same.
2121 * gimple-low.c: Same.
2122 * dwarf2out.c: Same.
2123 * c-pretty-print.c: Same.
2125 * tree-inline.c: Same.
2126 * tree-outof-ssa.c: Same.
2127 * tree-ssa-structalias.c: Same.
2128 * tree-ssa-reassoc.c: Same.
2131 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2133 * tree.c (build2_stat): Fix comment.
2135 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2137 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2138 TREE_OPERAND when appropriate.
2140 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2142 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2143 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2144 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2145 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2146 not handle GIMPLE_MODIFY_STMT in the switch statement.
2147 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2148 (java_gimplify_new_array_init): Same.
2150 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2152 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2153 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2154 * fold-const.c (fold_binary): Allow gimple statements.
2156 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2157 Rename from gfc_conv_descriptor_data_set.
2158 Call gfc_add_modify instead of gfc_add_modify_expr.
2159 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2160 Rename from gfc_conv_descriptor_data_set.
2161 (gfc_conv_descriptor_data_set): New macro.
2162 (gfc_conv_descriptor_data_set_tuples): New macros.
2163 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2164 gfc_conv_descriptor_data_set_tuples.
2165 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2166 Generate GIMPLE_MODIFY_STMT when appropriate.
2167 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2168 (gfc_add_modify_expr): New macro.
2169 (gfc_add_modify_stmt): New macro.
2170 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2172 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2174 * Merge from mainline at revision 118200.
2176 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2178 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2181 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2183 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2185 Also, add __extension__ to GCC versions.
2186 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2187 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2190 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2192 * tree-complex.c (expand_complex_libcall): Adjust for
2194 (expand_complex_comparison): Same.
2195 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2196 GIMPLE_STMT_P statements.
2197 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2199 (tree_mod_pow2_value_transform): Same.
2200 (tree_mod_subtract_transform): Same.
2201 * tree.c (build2_stat): Check for gimplified function in cfun.
2202 * tree.h (DECL_GIMPLIFIED): Delete.
2203 (struct tree_function_decl): Remove gimplified_flag.
2204 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2205 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2206 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2207 (cxx_omp_clause_copy_ctor): Same.
2208 (cxx_omp_clause_assign_op): Same.
2209 * c-pretty-print.c (pp_c_conditional_expression): Same.
2210 (pp_c_expression): Same.
2211 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2212 * function.h (struct function): Add gimplified field.
2213 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2215 (find_phi_replacement_condition): Same.
2216 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2217 (gimplify_modify_expr_to_memset): Same.
2218 (gimplify_init_ctor_eval_range): Same.
2219 (gimplify_modify_expr_complex_part): Same.
2220 (tree_to_gimple_tuple): Same.
2221 (gimplify_modify_expr): Same.
2222 (gimple_push_cleanup): Same.
2223 (gimplify_omp_for): Same.
2224 (gimplify_omp_atomic_pipeline): Same.
2225 (gimplify_omp_atomic_mutex): Same.
2226 (gimplify_expr): Same.
2227 (gimplify_one_sizepos): Same.
2228 (gimplify_function_tree): Same.
2229 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2230 (vect_recog_widen_sum_pattern): Same.
2231 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2232 (vect_create_epilog_for_reduction): Same.
2233 (vectorizable_reduction): Same.
2235 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2237 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2238 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2239 (ifc_temp_var): Same.
2240 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2241 for gimple statements.
2242 (vect_analyze_operations): Same.
2243 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2244 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2245 * lambda-code.c (can_put_in_inner_loop): Same.
2246 (can_put_after_inner_loop): Same.
2247 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2248 (vect_create_data_ref_ptr): Same.
2249 (vect_init_vector): Same.
2250 (vect_get_vec_def_for_operand): Same.
2251 (vect_create_epilog_for_reduction): Same.
2252 (vectorizable_reduction): Same.
2253 (vectorizable_assignment): Same.
2254 (vectorizable_operation): Same.
2255 (vectorizable_load): Same.
2256 (vectorizable_condition): Same.
2257 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2258 (rs6000_gimplify_va_arg): Same.
2260 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2262 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2263 GIMPLE_STMT_OPERAND.
2264 (simplify_abs_using_ranges): Same.
2265 * tree-complex.c (expand_complex_operations_1): Use
2266 PROTECTED_TREE_OPERAND.
2267 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2269 (get_val_for): Use GIMPLE_STMT_OPERAND.
2270 * tree-tailcall.c (adjust_accumulator_values): Same.
2271 (adjust_return_value): Same.
2272 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2273 case. Remove special case for tcc_gimple_stmt.
2274 * tree.h (CAN_HAVE_LOCATION_P): New.
2275 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2277 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2278 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2279 * tree-nrv.c (execute_return_slot_opt): Same.
2280 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2281 * tree-vn.c (set_value_handle): Same.
2282 (get_value_handle): Same.
2283 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2284 * tree-vectorizer.c (find_loop_location): Same.
2285 * c-typeck.c (c_process_expr_stmt): Same.
2286 (c_finish_stmt_expr): Same.
2287 * gimplify.c (should_carry_locus_p): Same.
2288 (tree_to_gimple_tuple): Delete definition and use of unecessary
2289 variable save_tree_block.
2290 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2291 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2292 (realify_fake_stores): Same.
2293 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2295 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2296 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2297 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2298 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2299 (c_parser_statement_after_labels): Same.
2300 (c_parser_paren_condition): Same.
2301 (c_parser_for_statement): Same.
2302 (c_parser_omp_for_loop): Same.
2303 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2304 (linearize_expr_tree): Same.
2305 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2306 * function.c (instantiate_expr): Same.
2308 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2310 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2311 (set_expr_location): Same.
2313 (set_expr_locus): Same.
2314 (expr_filename): Same.
2315 (expr_lineno): Same.
2316 (tree_block): Use GIMPLE_STMT_BLOCK.
2317 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2318 * tree.h (struct gimple_stmt): Remove prev and next.
2319 (GIMPLE_STMT_OPERAND_CHECK): New.
2320 (TREE_TO_GIMPLE_STMT): Delete.
2321 (GIMPLE_STMT_TO_TREE): Delete.
2322 (GIMPLE_STMT_OPERAND): Use union, not cast.
2323 (GIMPLE_STMT_LOCUS): New.
2324 (GIMPLE_STMT_BLOCK): New.
2325 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2327 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2329 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2331 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2333 * tree-tailcall.c (adjust_return_value): Same.
2334 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2335 (copy_node_stat): Change common.base to base.
2336 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2337 Remove GIMPLE_STATEMENT_LIST case.
2338 * tree.h (struct gimple_stmt): Make operands of type tree.
2339 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2340 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2341 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2342 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2343 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2344 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2345 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2346 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2347 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2348 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2349 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2350 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2351 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2352 Change common.base to base.
2353 (GIMPLE_STATEMENT_LIST*): Remove.
2354 (union tree_node): Add base. Remove gimple_statement_list.
2355 Remove pointer from gstmt.
2356 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2357 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2358 * tree-vn.c (vn_compute): Change common.base to base.
2359 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2360 * tree-flow-inline.h (var_ann): Same.
2361 (function_ann): Same.
2363 (mark_non_addressable): Same.
2364 * gimplify.c (tree_to_gimple_tuple): Same.
2365 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2366 * tree-dfa.c (create_var_ann): Change common.base to base.
2367 (create_function_ann): Same.
2368 (create_stmt_ann): Same.
2369 (create_tree_ann): Same.
2370 (collect_dfa_stats_r): Same.
2371 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2372 * tree-ssa-dce.c (NECESSARY): Same.
2373 * tree-ssa.c (delete_tree_ssa): Same.
2374 * tree-optimize.c (execute_free_cfg_annotations): Same.
2375 * tree-flow.h: Same.
2377 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2379 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2380 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2382 * tree.h (struct gimple_stmt): Add prev and next fields.
2383 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2384 (GIMPLE_STATEMENT_LIST_HEAD): New.
2385 (GIMPLE_STATEMENT_LIST_TAIL): New.
2386 (struct gimple_statement_list): New.
2387 (union tree_node): Add gimple_stmt_list and gstmt.
2388 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2389 * tree.def: Add GIMPLE_STATEMENT_LIST.
2391 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2393 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2394 * tree-vrp.c (build_assert_expr_for): Change uses of
2395 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2396 (find_assert_locations): Same.
2397 (remove_range_assertions): Same.
2398 (stmt_interesting_for_vrp): Same.
2399 (vrp_visit_assignment): Same.
2400 (vrp_visit_stmt): Same.
2401 (simplify_cond_using_ranges): Same.
2402 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2404 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2405 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2407 (determine_invariantness_stmt): Same.
2408 (schedule_sm): Same.
2409 (gather_mem_refs_stmt): Same.
2410 * tree-complex.c (init_dont_simulate_again): Same.
2411 (complex_visit_stmt): Same.
2412 (set_component_ssa_name): Same.
2413 (expand_complex_move): Same.
2414 (expand_complex_div_wide): Same.
2415 (expand_complex_comparison): Same.
2416 (expand_complex_operations_1): Same.
2417 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2418 (chain_of_csts_start): Same.
2419 (infer_loop_bounds_from_undefined): Same.
2420 * tree-pretty-print.c (dump_generic_node): Same.
2422 (op_symbol_1): Same.
2423 * tree-ssa-loop-manip.c (create_iv): Same.
2424 * value-prof.c (tree_divmod_fixed_value): Same.
2425 (tree_divmod_fixed_value_transform): Same.
2426 (tree_mod_pow2): Same.
2427 (tree_mod_pow2_value_transform): Same.
2428 (tree_mod_subtract): Same.
2429 (tree_mod_subtract_transform): Same.
2430 (tree_divmod_values_to_profile): Same.
2431 * tree-tailcall.c (process_assignment): Same.
2432 (find_tail_calls): Same.
2433 (adjust_accumulator_values): Same.
2434 (adjust_return_value): Same.
2435 (eliminate_tail_call): Same.
2436 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2437 (make_node_stat): Same.
2438 (copy_node_stat): Handle gimple tuples.
2439 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2440 (tree_node_structure): Handle tcc_gimple_stmt.
2441 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2443 (build2_gimple_stat): New.
2444 (expr_location): New.
2445 (set_expr_location): New.
2446 (expr_has_location): New.
2448 (set_expr_locus): New.
2449 (expr_filename): New.
2451 (walk_tree): Handle tcc_gimple_stmt.
2453 (protected_tree_operand): New.
2454 (protected_tree_type): New.
2455 (tree_code_kind): Add gimple statements.
2456 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2457 (IS_GIMPLE_STMT_CODE_CLASS): New.
2458 (struct tree_base): New.
2459 (struct tree_common): Shrink.
2460 (struct gimple_stmt): New.
2461 (struct gimple_expr): New.
2462 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2463 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2464 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2465 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2466 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2467 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2468 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2469 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2470 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2471 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2472 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2473 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2474 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2475 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2476 Adjust for new `common' layout.
2477 (struct tree_function_decl): Add gimplified_flag.
2478 (DECL_GIMPLIFIED): NEW.
2479 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2480 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2481 EXPR_HAS_LOCATION): Call corresponding function.
2482 (GIMPLE_STMT_CHECK): New.
2483 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2484 (TREE_BLOCK): Call tree_block.
2485 (GIMPLE_STMT_P): New.
2486 (GIMPLE_TUPLE_P): New.
2487 (TREE_TO_GIMPLE_STMT): New.
2488 (GIMPLE_STMT_TO_TREE): New.
2489 (GIMPLE_STMT_OPERAND): New.
2490 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2491 (PROTECTED_TREE_OPERAND): New.
2492 (PROTECTED_TREE_TYPE): New.
2493 (build2_gimple_stat): Protoize.
2494 (build2_gimple): New.
2495 (expr_location): Protoize.
2496 (set_expr_location): Protoize.
2497 (expr_has_location): Protoize.
2498 (expr_locus): Protoize.
2499 (set_expr_locus): Protoize.
2500 (expr_filename): Protoize.
2501 (expr_lineno): Protoize.
2502 (tree_block): Protoize.
2503 (protected_tree_operand): Protoize.
2504 (protected_tree_type): Protoize.
2505 (enum tree_node_kind): Add gimple_stmt_kind.
2506 * c-decl.c (union lang_tree_node): Tuples do not have a
2508 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2509 GIMPLE_MODIFY_STMT and adjust accordingly.
2510 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2511 (interpret_condition_phi): Same.
2512 (pointer_used_p): Same.
2513 (analyze_scalar_evolution_1): Same.
2514 (scev_const_prop): Same.
2515 (interpret_rhs_modify_stmt): Rename from
2516 interpret_rhs_modify_expr.
2517 * builtins.c (std_expand_builtin_va_start): Change uses of
2518 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2519 (std_gimplify_va_arg_expr): Same.
2520 (expand_builtin_va_copy): Same.
2521 (integer_valued_real_p): Same.
2522 * fold-const.c (maybe_lvalue_p): Same.
2524 (tree_expr_nonnegative_p): Same.
2525 (tree_expr_nonzero_p): Same.
2526 * omp-low.c (extract_omp_for_data): Same.
2527 (lower_rec_input_clauses): Same.
2528 (lower_reduction_clauses): Same.
2529 (lower_copyprivate_clauses): Same.
2530 (lower_send_clauses): Same.
2531 (lower_send_shared_vars): Same.
2532 (expand_parallel_call): Same.
2533 (expand_omp_parallel): Same.
2534 (expand_omp_for_generic): Same.
2535 (expand_omp_for_static_nochunk): Same.
2536 (expand_omp_for_static_chunk): Same.
2537 (expand_omp_sections): Same.
2538 (lower_omp_single_copy): Same.
2539 (lower_omp_parallel): Same.
2540 * tree-ssa-dse.c (memory_address_same): Same.
2541 (dse_optimize_stmt): Same.
2542 * ipa-reference.c (scan_for_static_refs): Same.
2543 * tree-gimple.c (is_gimple_reg_rhs): Same.
2544 (get_call_expr_in): Same.
2545 (recalculate_side_effects): Same.
2546 * cgraphunit.c (cgraph_create_edges): Same.
2547 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2548 * tree-ssa-ccp.c (get_default_value): Same.
2549 (likely_value): Same.
2550 (visit_assignment): Same.
2551 (ccp_visit_stmt): Same.
2552 (get_maxval_strlen): Same.
2553 (ccp_fold_builtin): Same.
2554 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2555 (find_givs_in_stmt): Same.
2556 (find_interesting_uses_op): Same.
2557 (find_interesting_uses_stmt): Same.
2558 (rewrite_use_nonlinear_expr): Same.
2559 * ipa-pure-const.c (scan_function): Same.
2560 * tree-stdarg.c (va_list_counter_bump): Same.
2561 (check_all_va_list_escapes): Same.
2562 (execute_optimize_stdarg): Same.
2563 * tree-ssa-math-opts.c (compute_merit): Same.
2564 (insert_reciprocals): Same.
2565 (execute_cse_reciprocals): Same.
2566 * tree-ssa-dom.c (initialize_hash_element): Same.
2567 (simple_iv_increment_p): Same.
2568 (record_equivalences_from_stmt): Same.
2569 (optimize_stmt): Same.
2570 (remove_stmt_or_phi): Same.
2571 (get_rhs_or_phi_arg): Same.
2572 (get_lhs_or_phi_result): Same.
2573 (propagate_rhs_into_lhs): Same.
2574 * tree-nrv.c (tree_nrv): Same.
2575 (execute_return_slot_opt): Same.
2576 * tree-ssa-propagate.c (get_rhs): Same.
2578 (stmt_makes_single_load): Same.
2579 (stmt_makes_single_store): Same.
2580 (replace_vuses_in): Same.
2581 (fold_predicate_in): Same.
2582 (substitute_and_fold): Same.
2583 * tree-ssa-alias.c (compute_call_clobbered): Same.
2584 (recalculate_used_alone): Same.
2585 (count_uses_and_derefs): Same.
2586 (is_escape_site): Same.
2587 (find_used_portions): Same.
2588 * gimple-low.c (lower_stmt): Same.
2589 (block_may_fallthru): Same.
2590 (lower_return_expr): Same.
2591 * tree-ssa-sink.c (is_hidden_global_store): Same.
2592 (statement_sink_location): Same.
2593 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2594 * expr.c (safe_from_p): Same.
2595 (expand_expr_real): Same.
2596 (expand_expr_real_1): Same.
2597 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2598 * predict.c (expr_expected_value): Same.
2599 (strip_builtin_expect): Same.
2600 (apply_return_prediction): Same.
2601 (tree_bb_level_predictions): Same.
2602 (tree_estimate_probability): Same.
2603 * tree-vn.c (vn_compute): Same.
2604 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2605 (remove_stmt_from_eh_region_fn): Same.
2606 (do_return_redirection): Same.
2607 (honor_protect_cleanup_actions): Same.
2608 (lower_try_finally_switch): Same.
2609 (lower_eh_constructs_1): Same.
2610 (tree_could_throw_p): Same.
2611 (verify_eh_throw_stmt_node): Same.
2612 * function.c (gimplify_parameters): Same.
2613 * tree-vectorizer.c (vect_is_simple_use): Same.
2614 (vect_is_simple_reduction): Same.
2615 * ipa-type-escape.c (scan_for_refs): Same.
2616 * tree-if-conv.c (tree_if_conversion): Same.
2617 (tree_if_convert_stmt): Same.
2618 (if_convertible_gimplify_modify_stmt_p): Rename from
2619 if_convertible_modify_expr_p.
2620 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2621 (ifc_temp_var): Same.
2622 (replace_phi_with_cond_modify_stmt): Rename from
2623 replace_phi_with_cond_modify_expr.
2624 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2625 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2626 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2628 * tree-flow-inline.h (var_ann): Same.
2629 (function_ann): Same.
2631 (mark_non_addressable): Same.
2632 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2633 * gimplify.c (tree_to_gimple_tuple): New.
2634 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2635 (gimplify_return_expr): Same.
2636 (gimplify_decl_expr): Same.
2637 (gimplify_self_mod_expr): Same.
2638 (gimplify_cond_expr): Same.
2639 (gimplify_init_constructor): Same.
2640 (gimplify_modify_expr): Same.
2641 (gimplify_expr): Same.
2642 (gimplify_function_tree): Same.
2643 (force_gimple_operand): Same.
2644 * tree-ssa-phiopt.c (conditional_replacement): Same.
2645 (minmax_replacement): Same.
2646 (abs_replacement): Same.
2647 * tree-dfa.c (create_var_ann): Same.
2648 (create_function_ann): Same.
2649 (create_stmt_ann): Same.
2650 (create_tree_ann): Same.
2651 (collect_dfa_stats_r): Same.
2652 * tree-ssa-pre.c (find_or_generate_expression): Same.
2653 (create_expression_by_pieces): Same.
2654 (try_look_through_load): Same.
2655 (insert_fake_stores): Same.
2656 (realify_fake_stores): Same.
2657 (compute_avail): Same.
2660 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2661 Adjust for GIMPLE_MODIFY_STMT.
2662 (NECESSARY): Adjust for new `common' layout.
2663 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2665 * tree-sra.c (sra_walk_modify_stmt): Rename from
2666 sra_walk_modify_expr.
2667 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2668 (generate_copy_inout): Same.
2669 (generate_element_copy): Same.
2670 (generate_element_zero): Same.
2671 (scalarize_copy): Same.
2672 * tree-mudflap.c (mf_decl_cache_locals): Same.
2673 (mf_build_check_statement_for): Same.
2674 (mf_xform_derefs): Same.
2675 * ipa-prop.c (ipa_method_modify_stmt): Same.
2676 * print-tree.c (print_node): Handle gimple tuples.
2677 Add case for tcc_gimple_stmt.
2678 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2680 (copy_prop_visit_assignment): Same.
2681 (copy_prop_visit_stmt): Same.
2682 (init_copy_prop): Same.
2683 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2684 (forward_propagate_into_cond_1): Same.
2685 (find_equivalent_equality_comparison): Same.
2686 (tidy_after_forward_propagate_addr): Same.
2687 (forward_propagate_addr_expr_1): Same.
2688 (simplify_not_neg_expr): Same.
2689 (simplify_switch_expr): Same.
2690 * tree-ssa-dce.c (find_pdom): Same.
2691 (mark_stmt_if_obviously_necessary): Same.
2692 (NECESSARY): Adjust for new `common' layout.
2693 * tree-flow.h: Same.
2694 * tree-vect-patterns.c (widened_name_p): Adjust for
2696 (vect_recog_dot_prod_pattern): Same.
2697 (vect_recog_widen_sum_pattern): Same.
2698 (vect_pattern_recog_1): Same.
2699 * tree-nested.c (init_tmp_var): Same.
2700 (save_tmp_var): Same.
2702 (convert_call_expr): Same.
2703 (finalize_nesting_tree_1): Same.
2704 * tree-ssa.c (verify_ssa): Same.
2705 (delete_tree_ssa): Same.
2706 * lambda-code.c (lbv_to_gcc_expression): Same.
2707 (lle_to_gcc_expression): Same.
2708 (lambda_loopnest_to_gcc_loopnest): Same.
2709 (can_put_in_inner_loop): Same.
2710 (can_convert_to_perfect_nest): Same.
2711 (perfect_nestify): Same.
2712 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2713 * tree-inline.c (copy_body_r): Same.
2714 (setup_one_parameter): Same.
2715 (initialize_inlined_parameters): Same.
2716 (estimate_num_insns_1): Same.
2717 (expand_call_inline): Same.
2718 (gimple_expand_calls_inline): Same.
2719 (copy_tree_r): Same.
2720 * tree-optimize.c (execute_free_cfg_annotations): Same.
2721 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2722 (vect_align_data_ref): Same.
2723 (vect_create_data_ref_ptr): Same.
2724 (vect_init_vector): Same.
2725 (vect_create_epilog_for_reduction): Same.
2726 (vectorizable_reduction): Same.
2727 (vectorizable_assignment): Same.
2728 (vectorizable_operation): Same.
2729 (vectorizable_store): Same.
2730 (vectorizable_load): Same.
2731 (vectorizable_live_operation): Same.
2732 (vectorizable_condition): Same.
2733 (vect_generate_tmps_on_preheader): Same.
2734 (vect_create_cond_for_align_checks): Same.
2735 * tree-object-size.c (collect_object_sizes_for): Same.
2736 (check_for_plus_in_loops_1): Same.
2737 (check_for_plus_in_loops): Same.
2738 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2739 (replace_use_variable): Same.
2740 (check_replaceable): Same.
2741 (rewrite_trees): Same.
2742 (identical_copies_p): Same.
2743 (insert_backedge_copies): Same.
2744 * tree-profile.c (tree_gen_edge_profiler): Same.
2745 * tree-vect-generic.c (expand_vector_operations_1): Same.
2746 * tree-ssa-structalias.c (update_alias_info): Same.
2747 (find_func_aliases): Same.
2748 * tree-cfg.c (factor_computed_gotos): Same.
2750 (make_goto_expr_edges): Same.
2751 (tree_merge_blocks): Same.
2752 (remove_useless_stmts_cond): Same.
2753 (remove_useless_stmts_1): Same.
2754 (tree_find_edge_insert_loc): Same.
2755 (verify_expr): Same.
2756 (gimplify_val): Same.
2757 (verify_gimple_tuples_1): New.
2758 (verify_gimple_tuples): New.
2759 (verify_stmts): Call verify_gimple_tuples.
2760 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2761 (get_unary_op): Same.
2762 (linearize_expr): Same.
2763 (get_single_immediate_use): Same.
2764 (negate_value): Same.
2765 (should_break_up_subtract): Same.
2766 (break_up_subtract): Same.
2767 (repropagate_negates): Same.
2768 (break_up_subtract_bb): Same.
2769 (reassociate_bb): Same.
2770 * config/i386/i386.c (ix86_va_start): Same.
2771 (ix86_gimplify_va_arg): Same.
2772 * stmt.c (expand_expr_stmt): Same.
2773 (warn_if_unused_value): Same.
2774 (expand_return): Same.
2775 * tree-ssanames.c (make_ssa_name): Same.
2776 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2777 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2778 (add_virtual_operand): Same.
2779 (get_expr_operands): Same.
2780 (parse_ssa_operands): Same.
2781 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2783 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2785 * config.host: Remove extra blank line.
2787 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2789 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2790 target is also an x86 variant.
2792 2006-12-05 Richard Guenther <rguenther@suse.de>
2794 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2795 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2796 (ix86_builtin_vectorized_function): New function to vectorize
2799 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2801 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2802 ia64_override_options.
2804 2006-12-04 Jan Hubicka <jh@suse.cz>
2806 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2809 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2811 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2812 * config/bfin/bfin.c: Include "timevar.h".
2813 (bfin_flag_schedule_insns2, splitting_for_sched,
2814 bfin_flag_var_tracking): New variables.
2815 (print_operand): Handle '%!'.
2816 (override_options): Disable normal sched2 pass, instead set
2817 bfin_flag_schedule_insns2 for reorg to handle it.
2818 (output_file_start): Likewise for var-tracking.
2819 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2820 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2822 (bfin_reorg): Do second scheduling pass here, and call
2823 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2824 of examining insns directly. If bfin_flag_var_tracking, call
2825 var-tracking pass when done with everything else.
2826 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2827 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2828 (movsi_insn32): New pattern, with two new splits to create it
2829 before the final scheduling pass.
2830 (neghi2): Not a dsp32 insn, rather alu0.
2831 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2832 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2833 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2834 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2835 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2836 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2837 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2838 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2839 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2840 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2841 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2842 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2843 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2844 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2845 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2846 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2847 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2848 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2849 variants instead of ';'.
2850 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2851 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2852 (align8, align16, align24): Now named patterns; also using '%!'.
2855 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2857 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2858 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2860 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2862 * config/spu/spu-protos.c (spu_split_address): Add.
2863 * config/spu/spu.c (spu_split_address): Add.
2864 (print_operand): Handle HIGH.
2865 (spu_legitimate_address): Don't test for aligned CONST.
2866 (spu_expand_mov): Don't split addresses here.
2867 * config/spu/constraints.md (A): Don't test legitimate_const.
2868 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2869 (ceq_di): Use correct predicates.
2871 2006-12-04 Eric Christopher <echristo@apple.com>
2873 * config/darwin.h: Update copyright notice.
2874 * config/i386/darwin.h: Ditto.
2876 2006-12-04 Jan Hubicka <jh@suse.cz>
2878 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2879 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2881 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2883 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2885 * tree-ssa-structalias.c (set_used_smts): Export.
2886 (find_what_p_points_to): Don't call set_used_smts here.
2887 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2889 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2891 * tree-ssa-alias.c (compute_may_aliases):
2892 Compute flow sensitive before flow insensitive.
2893 (compute_flow_sensitive_aliasing): Don't try to add
2894 a symbol memory tag to itself.
2896 * alias.h (alias_set_subset_of): New prototype.
2898 * alias.c (alias_set_subset_of): New function.
2900 * tree-ssa-structalias.c: Update comments.
2901 (struct variable_info): Add finished_solution.
2902 (new_varinfo): Set finished solution to NULL.
2903 (var_escaped_vars): Remove.
2904 (escaped_vars_tree): Remove.
2905 (escaped_vars_id): Remove.
2906 (nonlocal_vars_id): Remove.
2907 (constraint_expr_type): Add INCLUDES.
2908 (graph_size): Removed.
2909 (dump_constraint): Support INCLUDES.
2910 (build_constraint_graph): Ditto.
2911 (collapse_nodes): Add merge_solutions argument.
2912 Don't merge attributes.
2913 (process_unification_queue): Just use collapse_nodes.
2914 (perform_var_substitution): Update call to collapse_nodes.
2915 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2916 (process_constraint): Fix non-field sensitive handling
2918 (get_constraint_for): Use INCLUDES.
2919 (make_constraint_from_anything): Renamed from
2920 make_constraint_from_escaped.
2921 (make_constraint_to_escaped): Removed.
2922 (find_global_initializers): Removed.
2923 (create_variable_info_for): Do not make constraints to escaped
2925 (dump_solution_for_var): Don't print out the equivalent points-to
2926 sets, just use the name of the variable it shares it with.
2927 (intra_create_variable_infos): Use INCLUDES.
2928 Change nonlocal variable sets to anything sets.
2929 (init_base_vars): Remove escaped_vars and nonlocal_var
2931 (find_escape_constraints): Removed.
2932 (delete_points_to_sets): Remove dead code.
2933 (used_smt_calculated): New variable.
2934 (set_used_smts): New function.
2935 (merge_smts_into): New function.
2936 (find_what_p_points_to): Modify to use SMTs.
2937 (create_nonlocal_var): Remove.
2939 * tree-ssa-operands.c (access_can_touch_variable): Remove
2940 reference to nonlocal_all.
2942 * tree-ssa.c (verify_name_tags): Remove.
2944 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2946 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2947 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2949 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2951 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2952 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2953 (add_livein_if_notdef): Delete.
2954 (loe_visit_block): New. Propogate live on entry info for a block into
2955 each predecessor. If it changes, make sure it is visited again.
2956 (live_worklist): Visit every block and update the live on entry info
2957 for preds. Iterate over any that changed.
2958 (set_var_live_on_entry): Populate the live on entry blocks with bits
2959 based on the immediate uses of a var.
2960 (calculate_live_on_entry): Remove.
2961 (calculate_live_on_exit): Calculate live on exit based on the newly
2962 oriented live on entry bits.
2963 (calculate_live_ranges): Build live on entry and exit vectors.
2964 (dump_live_info): Use new orientation of live on entry bitmaps.
2965 (verify_live_on_entry): New. Split out verification code from old
2966 calculate_live_on_entry routine.
2967 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2968 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2969 basic_block instead of for a partition.
2970 (live_merge_and_clear): Add asserts.
2971 (make_live_on_entry): Set partition bit in basic block vector.
2973 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2976 * omp-low.c (expand_omp_for_static_nochunk,
2977 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2981 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2982 parallels if region->exit or region->inner->exit is NULL.
2983 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2985 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2986 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2987 or region->exit is NULL.
2988 (expand_omp_sections): Handle NULL region->cond or region->exit.
2991 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2993 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2994 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2996 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2998 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2999 TYPE_MAX_VALUE for scalar types here but...
3000 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3001 is attached an error mark, and the return value of the callback
3002 if it is not NULL_TREE.
3004 2006-12-04 Ben Elliston <bje@au.ibm.com>
3006 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3008 2006-12-03 Eric Christopher <echristo@apple.com>
3011 * config/t-slibgcc-darwin: Pass -install_name.
3012 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3013 libtool. Only pass through options that the linker recognizes.
3014 (LINK_SPEC): Update comment. Translate options.
3015 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3016 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3018 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3020 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3022 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3025 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3026 operands[1] in insn constraint. Correct type attribute to sselog1.
3028 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3031 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3033 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3034 processor detection.
3036 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3037 -march=native if there is no -mtune=*.
3039 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3042 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3044 * doc/install.texi: Update recommended MPFR version. Remove
3045 obsolete reference to cumulative patch.
3047 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3050 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3052 2006-11-30 Jan Hubicka <jh@suse.cz>
3053 Uros Bizjak <ubizjak@gmail.com>
3055 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3056 32bit memcpy/memset decriptors.
3057 (decide_alg): With -minline-all-stringops and sizes that are best
3058 to be copied via libcall still work hard enough to pick non-libcall
3061 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3063 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3065 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3066 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3067 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3068 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3069 config/spu/spu-c.c, config/spu/spu-modes.def,
3070 config/spu/spu.c, config/spu/spu.md,
3071 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3072 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3073 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3074 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3075 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3076 spelling conventions.
3078 * config/i386/i386.c: Fix a comment typo.
3080 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3082 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3083 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3084 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3085 better optimization.
3086 (floatv4siv4sf2): New.
3087 (fix_truncv4sfv4si2): New.
3088 (floatunsv4siv4sf2): New.
3089 (fixuns_truncv4sfv4si2): New.
3097 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3098 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3099 spu_resolve_overloaded_builtin instead of static inline functions.
3101 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3103 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3104 type instead of the size of its mode to compute the highest and
3105 lowest possible values. Still check the size of the mode before
3106 flipping the signedness of the comparison.
3108 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3110 * config/spu/predicates.md (spu_mov_operand): Add.
3111 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3112 (print_operand_address, print_operand): Handle addresses containing AND.
3113 (spu_split_load, spu_split_store): Use updated movti pattern.
3114 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3115 stores in mov patterns for correct operation of reload.
3116 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3118 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3121 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3123 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3125 * common.opt (ftree-combine-temps): Remove.
3126 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3127 (coalesce_ssa_name): Don't check for combine-temps.
3128 (coalesce_vars): Remove.
3129 (check_replaceable): Use num_imm_uses.
3130 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3131 check for combine-temps.
3132 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3133 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3134 to register_ssa_partition calls.
3135 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3136 (init_var_map, delete_var_map): remove refernces to ref_count.
3137 (create_ssa_var_map): Never calculate a ref count.
3138 (type_var_init): Remove.
3139 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3140 (SSA_VAR_MAP_REF_COUNT): Delete.
3141 (create_ssa_var_map): Change Prototype to have no parameters.
3142 (version_ref_count): Delete.
3143 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3145 (type_var_num, type_var, type_var_first_partition,
3146 type_var_next_partition, type_var_dump, type_var_delete,
3147 type_var_remove_partition, type_var_find, type_var_compact,
3148 type_var_decompact): Remove.
3150 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3152 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3155 2006-12-01 Richard Guenther <rguenther@suse.de>
3158 * dwarf2out.c (struct pubname_struct): Make name const.
3159 (add_pubtype): Do not xstrdup identifiers.
3161 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3163 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3164 multiword accesses are in range.
3166 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3168 PR tree-optimization/29921
3169 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3170 (set_lattice_value): Use canonicalize_float_value.
3172 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3174 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3175 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3176 (spu_cpu_cpp_builtins): Remove.
3177 (spu_override_options): Don't set warn_main.
3178 (spu_force_reg): Move from spu-c.c.
3179 (spu_check_builtin_parm): Likewise.
3180 (expand_builtin_args): Likewise.
3181 (spu_expand_builtin_1): Likewise.
3182 (spu_expand_builtin): Likewise.
3183 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3184 warn_main and targetm.resolve_overloaded_builtin.
3185 * config/spu/spu-c.c (spu_builtin_range): Remove.
3186 (spu_check_builtin_parm): Remove.
3187 (expand_builtin_args): Remove.
3188 (spu_expand_builtin_1): Remove.
3189 (spu_expand_builtin): Remove.
3190 (spu_cpu_cpp_builtins): Moved from spu.c
3191 (spu_force_reg): Remove.
3193 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3194 David Edelsohn <edelsohn@gnu.org>
3197 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3198 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3199 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3200 HARD_REGNO_NREGS_WITH_PADDING): Define.
3201 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3202 HARD_REGNO_NREGS_WITH_PADDING): Define.
3203 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3204 Use new macros to detect modes with holes; do not look at integer
3206 (subreg_offset_representable_p): Check for and disallow cases
3207 where the modes use different numbers of bits from registers.
3208 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3209 constant for soft-float.
3210 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3212 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3213 in E500 double case.
3214 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3215 (movtf_softfloat): New.
3217 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3219 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3220 simplify_gen_subreg.
3222 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3224 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3225 (COALESCE_HASH_FN): New. Define hash function.
3226 (partition_pair_map_hash): New. Hash value for a partition pair.
3227 (partition_pair_map_eq): New. Equality for hash pairs.
3228 (create_coalesce_list): Create hash table.
3229 (delete_coalesce_list): Free hash table.
3230 (find_partition_pair): Find/create pairs in hash table.
3231 (compare_pairs): Sort pairs in ascending order now.
3232 (num_coalesce_pairs): New. Number of pairs in hash table.
3233 (struct partition_pair_iterator): Iterator struct for pair table.
3234 (first_partition_pair): Iterator function for first pair.
3235 (end_partition_pair_p): Iterator function for end of iteration.
3236 (next_partition_pair): Iterator function for next pair.
3237 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3238 (sort_coalesce_list): Sort pairs from hash table into an array.
3239 (pop_best_coalesce): Take pairs from the array.
3240 (dump_coalesce_list): Update to use hash table or sorted array.
3241 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3242 (struct coalesce_list_d): Add hash table related fields.
3244 2006-11-30 Jan Hubicka <jh@suse.cz>
3247 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3248 memmove/bcopy->memcpy conversion.
3250 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3252 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3253 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3254 Default is the largest alignment supported for 32-bit ELF and
3255 representable on a 32-bit host.
3257 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3259 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3261 2006-11-30 Jan Hubicka <jh@suse.cz>
3263 * tree-ssa-operands.h (struct ssa_operands): New.
3264 * tree-flow-inline.h (gimple_ssa_operands): New function.
3265 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3266 * Makefile.in: Remove gt-tree-ssa-operands.h
3267 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3268 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3269 operand_memory, operand_memory_index, ops_active): Remove statics.
3270 (ALLOC_OPTYPE): Update.
3271 (operand_build_sort_virtual): Update.
3272 (ssa_operands_active): Update.
3273 (init_ssa_operands): Update.
3274 (fini_ssa_operands): Update.
3275 (ssa_operand_alloc): Update.
3276 (INITIALIZE_USE): Update.
3277 (finalize_ssa_use_ops): Update.
3278 (finalize_ssa_v_may_def_ops): Update.
3279 (finalize_ssa_vuse_ops): Update.
3280 (finalize_ssa_v_must_def_ops): Update.
3282 2006-11-30 Richard Guenther <rguenther@suse.de>
3284 * tree-vectorizer.h (vectorizable_function): Export.
3285 * tree-vect-transform.c (vectorizable_function): Likewise.
3286 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3287 type_in to scalar type in recognition of squaring.
3288 Make sure the target can vectorize sqrt in recognition
3289 of sqrt, set type_in to vector type in this case.
3291 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3293 * config/i386/i386.md (R10_REG): New constant.
3294 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3295 (ix86_emit_restore_regs_using_mov): Ditto.
3296 (ix86_expand_call): Ditto.
3297 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3299 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3301 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3302 * alias.c (canon_true_dependence): Update comment.
3304 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3306 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3307 at the end of a diagnostics message.
3309 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3310 until after asserting that it was allocated in the right pool.
3312 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3313 successor edge information as well. Make output of live regs
3314 on exit consistent with live regs on entry.
3316 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3319 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3320 insn patterns for TARGET_80387.
3321 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3322 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3323 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3324 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3325 Generate truncxf<mode>2 insn patterns for strict SSE math.
3327 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3329 * config/i386/i386.md (movsf_1): Enable pattern for standard
3330 80387 constants before reload when optimizing for size.
3331 (*movdf_nointeger, *movdf_integer): Ditto.
3332 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3333 80387 constants before reload when not optimizing for size.
3335 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3336 extension of XFmode input operands.
3338 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3340 * config/spu/crt0.c (__dso_handle): Define.
3342 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3344 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3345 when clearing the used flags.
3347 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3349 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3351 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3354 * config/spu/spu.md (extend_compare<mode>): New pattern.
3355 (extend_compare): Change to expand and use the above pattern.
3357 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3359 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3361 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3362 (DFP_INIT_ROUNDMODE): Define.
3363 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3364 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3366 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3368 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3369 Update documentation.
3370 (associate_line_notes_with_blocks): Kill.
3371 (extend_bb): Remove basic block argument, put void instead.
3372 Remove line number handling for each bb.
3373 (save_line_notes): Kill.
3374 (restore_line_notes): Kill.
3375 (sched_init): Remove line_note_head initialization.
3376 Change extend_bb call.
3377 (sched_finish): Remove free of line_note_head.
3378 (add_block): Change extend_bb call.
3379 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3380 rm_line_notes and restore_line_notes calls.
3381 (schedule_ebbs): Remove rm_redundant_line_notes.
3382 * sched-int.h (struct haifa_insn_data): Remove line_note.
3383 (save_line_notes): Remove declaration.
3384 (restore_line_notes): Remove declaration.
3385 * modulo-sched.c (loop_canon_p): Update debug info printing
3386 by using insn locators instead of line note.
3387 (sms_schedule): Update debug info printing, by using insn
3388 locators instead of line note.
3389 * sched-rgn.c (debug_dependencies): Remove handling of case
3390 n>0 (line number), since it's a dead code.
3391 (schedule_region): Remove save_line_notes and
3392 restore_line_notes calls.
3394 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3396 * config/rs6000/predicates.md (gpc_reg_operand): Check
3397 invalid_e500_subreg.
3398 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3399 SImode subregs of SPE vectors.
3400 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3401 * jump.c (true_regnum): Require subregs to satisfy
3402 subreg_offset_representable_p.
3404 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3405 Steven Bosscher <stevenb.gcc@gmail.com>
3407 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3408 since it no longer exists.
3410 2006-11-29 Duncan Sands <baldrick@free.fr>
3412 PR tree-optimization/23744
3413 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3415 2006-11-29 Duncan Sands <baldrick@free.fr>
3417 PR tree-optimization/23744
3418 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3420 2006-11-29 Duncan Sands <baldrick@free.fr>
3422 PR tree-optimization/23744
3423 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3425 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3427 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3429 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3431 * sh.opt (minline-ic_invalidate): New option.
3432 (musermode): Adjust comment.
3433 * sh.c (sh_initialize_trampoline): Emit library call unless
3434 is set; if it is set, don't emit library call if we can use icbi
3436 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3437 icbi for TARGET_SH4_300.
3438 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3439 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3440 -musermode documentation.
3442 2006-11-29 Jim Tison <jtison@us.ibm.com>
3444 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3445 __gthread_recursive_mutex_init): Define.
3447 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3449 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3450 STRICT_ALIGNMENT and the type is more aligned than the saved
3451 registers, copy via a temporary.
3453 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3456 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3459 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3461 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3463 2006-11-28 Jan Hubicka <jh@suse.cz>
3465 Privatize SSA variables into gimple_df.
3466 * tree-flow-inline.h
3467 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3468 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3469 gimple_nonlocal_all): New accessors.
3470 (first_referenced_var): Update.
3471 (mark_stmt_modified): Update.
3472 (is_call_clobbered): Update.
3473 (mark_call_clobbered): Update.
3474 (clear_call_clobbered): Update.
3475 (mark_non_addressable): Update.
3476 * tree-vrp.c (get_value_range): Update.
3477 * tree-into-ssa.c (in_ssa_p): Kill.
3478 (get_default_def_for): Update.
3479 (rewrite_into_ssa): Update.
3480 * tree-complex.c (init_parameter_lattice_values): Update.
3481 (update_complex_assignment): Update.
3482 (update_parameter_components): Update.
3483 (expand_complex_libcall): Update.
3484 (expand_complex_operations_1): Update.
3485 * tree-tailcall.c (arg_needs_copy_p): Update.
3486 (add_virtual_phis): Update.
3487 (tree_optimize_tail_calls_1): Update.
3488 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3489 * tree-ssa-copyrename.c
3490 (copy_rename_partition_coalesce): Update.
3491 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3492 * tree-ssa-propagate.c (set_rhs): Update.
3493 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3494 addressable_vars, global_var):Kill.
3495 (set_initial_properties): Update.
3496 (init_alias_info): Update.
3497 (finalize_ref_all_pointers): Update.
3498 (setup_pointers_and_addressables): Update.
3499 (maybe_create_global_var): Update.
3500 (create_global_var): Update.
3501 (dump_points_to_info): Update.
3502 * function.h (struct gimple_df): Forward declare.
3503 (struct function): Add GIMPLE_DF field.
3504 * gimplify.c (force_gimple_operand): Update.
3505 * tree-dfa.c (referenced_vars, default_defs): KIll.
3506 (make_rename_temp): Update.
3507 (dump_variable): Update.
3508 (referenced_var_lookup): Update.
3509 (referenced_var_check_and_insert): Update.
3510 (default_def): Rename to ...
3511 (gimple_default_def): ... this one; accept cfun argument.
3512 (set_default_def): Update.
3513 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3514 (cleanup_control_flow): Update.
3515 * tree-ssa-pre.c (compute_avail): Update
3516 * tree-ssa-live.c (calculate_live_on_entry): Update.
3517 * tree-ssa.c (verify_use): Update.
3518 (verify_call_clobbering): Update.
3519 (verify_call_clobbering): Update.
3520 (init_tree_ssa): Update.
3521 (delete_tree_ssa): Update.
3522 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3523 (rewrite_out_of_ssa): Update.
3524 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3525 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3527 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3528 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3529 addressable_vars, aliases_computed_p): Kill.
3530 (default_def): Rename to...
3531 (gimple_default_def): ... this one.
3532 (defaule_def_fn): Kill.
3533 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3534 * tree-ssa-structalias.c (nonlocal_all): Kill.
3535 (get_constraint_exp_from_ssa_var): Update.
3536 (create_nonlocal_var): Update.
3537 (get_constraint_for): Update.
3538 (update_alias_info): Update.
3539 (find_global_initializers): Update.
3540 (intra_create_variable_infos): Update.
3541 (intra_create_variable_infos):
3542 (find_what_p_points_to): Update.
3543 (init_alias_heapvars): Update.
3544 * tree-cfg.c (remove_bb): Update.
3545 (gimplify_val): Update.
3546 * tree-ssa-reassoc.c (get_rank): Update.
3547 (init_reassoc): Update.
3548 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3549 (ssa_names, free_ssanames): Kill.
3550 (init_ssanames): Update.
3551 (make_ssa_name): Update.
3552 (release_ssa_name): Update.
3553 (release_defs): Update.
3554 (replace_ssa_name_symbol): Update.
3555 * tree-ssa-operands.c (access_can_touch_variable): Update.
3556 (add_virtual_operand): Update.
3557 (add_call_clobber_ops): Update.
3558 (add_call_read_ops): Update.
3559 (get_call_expr_operands): Update.
3560 (get_asm_expr_operands): Update.
3562 2006-11-28 Jan Hubicka <jh@suse.cz>
3564 * builtins.c: Include tree-flow.h.
3565 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3566 assignment; convert memmove to memcpy for sizes greater than 1 where
3567 alignment of operands prohibit the partial overlap.
3569 2006-11-28 Jan Hubicka <jh@suse.cz>
3571 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3572 * cgraph.c (dump_cgraph_node): Dump stack usage.
3573 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3574 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3575 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3576 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3577 (cgraph_check_inline_limits): Limit stack growth.
3578 * cfgexpand.c: Include tree-inline.h.
3579 (account_stack_vars): New function.
3580 (expand_one_var): New param to just account the stack; return estimated
3582 (expand_used_vars_for_block): Update call of expand_one_var.
3583 (account_used_vars_for_block): New function.
3584 (estimated_stack_frame_size): Likewise.
3585 (init_vars_expansion, fini_vars_expansion): Break out from..
3586 (expand_used_vars): ... here.
3587 * tree-inline.h (estimated_stack_frame_size): Declare.
3588 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3590 2006-11-28 Richard Guenther <rguenther@suse.de>
3592 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3593 unsigned long for printing OBJECT_SIZE.
3595 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3597 * alias.c (init_alias_analysis): Remove simplification loop
3598 after propagating pointers.
3600 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3602 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3605 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3607 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3609 2006-11-27 Roger Sayle <roger@eyesopen.com>
3610 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3612 * c-common.c (constant_fits_type_p): Delete.
3613 (unsigned_conversion_warning): Delete.
3614 (conversion_warning): Integrate Wconversion warning from
3615 unsigned_conversion_warning.
3616 (convert_and_check): Integrate Woverflow warning from
3617 unsigned_conversion_warning. Reorganize and simplify to avoid
3618 dependence upon the middle-end setting TREE_OVERFLOW on integral
3619 conversions, by using int_fits_type_p directly.
3621 2006-11-27 Tobias Burnus <burnus@net-b.de>
3623 * doc/invoke.texi: Fixed typo.
3625 2006-11-27 Michael Matz <matz@suse.de>
3626 Andreas Krebbel <krebbel1@de.ibm.com>
3629 * config/s390/predicates.md (larl_operand): Check addend of larl
3630 operand to be in range of -/+2GB.
3631 * config/s390/s390.c (legitimize_pic_address): Likewise.
3632 Changed type of variable even to HOST_WIDE_INT.
3634 2006-11-27 Jan Hubicka <jh@suse.cz>
3636 * expr.c (emit_block_move_via_libcall): Export.
3637 (clear_storage_via_libcall): Rename to ...
3638 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3639 (clear_storage): Update to set_storage_via_libcall.
3640 * expr.h (emit_block_move_via_libcall): Declare
3641 * config/i386/i386.h (stringop_alg): New enum.
3642 (MAX_STRINGOP_ALGS): New constant.
3643 (stringop_algs): New struct.
3644 (processor_costs): Add memcpy/memset descriptors.
3645 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3646 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3647 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3649 * config/i386/i386.opt (minline-stringops-dynamically,
3650 mstringop-strategy): New
3652 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3653 (ix86_expand-clrmem): Rename to ...
3654 (ix86_expand_setmem): ... this one; update prototype.
3655 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3656 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3657 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3658 nocona_cost, core2_cost, generic_cost, generic64_cost,
3659 generic32_cost): Add memcpy/memset descriptors.
3660 (x86_rep_movl_optimal): Remove.
3661 (stringop_alg): New static variable.
3662 (ix86_expand_aligntest): Handle predictions.
3663 (override_options): Add strgop_alg handling.
3664 (predict_jump): New function.
3665 (scale_counter): New function.
3666 (expand_set_or_movmem_via_loop): New function.
3667 (expand_movmem_via_rep_mov): New function.
3668 (expand_setmem_via_rep_stots): New function.
3669 (emit_strmov): New function.
3670 (expand_movmem_epilogue): New function.
3671 (expand_setmem_epilogue_via_loop): New function.
3672 (expand_setmem_epilogue): New function.
3673 (expand_movmem_prologue): New function.
3674 (expand_setmem_prologue): New function.
3675 (decide_alg): New function.
3676 (decide_alignment): New function.
3677 (ix86_exand_movmem): Rewrite.
3678 (promote_duplicated_reg): New function.
3679 (ix86_expand_clrmem): Rename to ...
3680 (ix86_expand_setmem): ... this one. Rewrite.
3682 * invoke.texi (minline-stringops-dynamically): New command line option.
3683 (mstringop-strategy): Likewise.
3685 2006-11-27 Jan Hubicka <jh@suse.cz>
3687 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3688 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3689 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3690 * insn-notes.def (FUNCTION_END): Remove.
3691 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3692 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3694 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3695 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3696 * cfglayout.c (duplicate_insn_chain): Don't worry about
3699 2006-11-27 Richard Guenther <rguenther@suse.de>
3700 Zdenek Dvorak <dvorakz@suse.cz>
3702 * target.h (struct gcc_target): Add builtin_vectorized_function
3704 * target-def.h (TARGET_VECTORIZE): Likewise.
3705 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3706 Document new target hook.
3707 * targhooks.h (default_builtin_vectorized_function): Declare.
3708 * targhooks.c (default_builtin_vectorized_function): Define.
3709 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3710 (vectorizable_call): Declare.
3711 * tree-vect-analyze.c (vect_analyze_operations): Call
3713 * tree-vect-transform.c (vectorizable_function): New static function.
3714 (build_vectorized_function_call): Likewise.
3715 (vectorizable_call): New function.
3716 (vect_transform_stmt): Handle vectorizable calls.
3718 2006-11-27 Richard Guenther <rguenther@suse.de>
3721 * builtins.c (expand_builtin_pow): Optimize non integer valued
3722 constant exponents using sqrt or cbrt if possible. Always fall back
3723 to expanding via optabs.
3725 2006-11-27 Ira Rosen <irar@il.ibm.com>
3727 PR tree-optimization/22372
3728 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3729 the type of the base address.
3730 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3731 it in the data-ref pointer creation.
3732 (vect_init_vector): Add an argument, type of the init vector. Use it in
3734 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3735 (get_initial_def_for_reduction): Likewise.
3736 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3738 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3739 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3740 correct type in stmt creation.
3741 (vect_setup_realignment): Use the correct type in stmt creation.
3742 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3744 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3745 of MODIFY_EXPR to void_type_node.
3746 (vectorizable_condition): Change type of MODIFY_EXPR to
3748 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3751 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3754 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3755 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3756 standard 80387 constants, raise the cost to prevent
3757 compress_float_constant() to generate load from memory.
3759 * config/i386/i386.md: Add new splitter pattern to split
3760 float_extended load of constant from constant pool into
3763 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3765 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3766 section to general section. Remove documentation for
3767 --with-mpfr-dir and --with-gmp-dir, add documentation for
3768 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3771 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3773 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3775 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3777 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3779 PR tree-optimization/29122
3780 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3781 for the new version. Assign NULL to DECL_RTL of the new version.
3783 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3785 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3787 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3789 * cse.c (cse_altered): Remove.
3790 (record_jump_equiv): Make true/false argument a bool instead
3792 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3793 where appropriate. Emit a new jump before the existing one
3794 instead of after so that delete_insn_and_edges removes the
3795 dead edges properly. Check any_condjump_p before calling
3797 (cse_basic_block): Check any_condjump_p before calling
3799 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3801 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3803 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3804 -ffixed-line-length-* options.
3806 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3808 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3809 (fprem1xf4): Rename to fprem1xf4_i387.
3811 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3812 Rename patterns to fmod<mode>3. Use general_operand operand
3813 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3814 patterns for SSE math.
3815 (remaindersf3, remainderdf3): Ditto.
3817 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3819 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3820 inside start_sequence / end_sequence pair.
3822 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3824 * jump.c (mark_all_labels): Work in cfglayout mode.
3825 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3826 when in cfglayout mode, because there are no dead jumptables
3828 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3830 (commit_edge_insertions): Do not allow insertion of instructions
3831 with control flow insns when in cfglayout mode.
3833 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3835 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3837 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3838 unswitch_loop): Ditto.
3839 * tree-loop-linear.c (linear_transform_loops): Ditto.
3840 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3841 tree_ssa_lim): Ditto.
3842 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3843 free_numbers_of_iterations_estimates): Ditto.
3844 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3845 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3846 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3847 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3848 place_new_loop, duplicate_loop, duplicate_subloops,
3849 update_single_exit_for_duplicated_loops, copy_loops_to,
3850 duplicate_loop_to_header_edge, create_preheaders,
3851 force_single_succ_latches, loop_version, fix_loop_structure):
3853 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3854 tree_unroll_loop): Ditto.
3855 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3856 * tree-scalar-evolution.c (select_loops_exit_conditions,
3857 scev_initialize, scev_analysis): Ditto.
3858 * tree-scalar-evolution.h (scev_initialize): Ditto.
3859 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3860 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3861 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3862 * modulo-sched.c (sms_schedule): Ditto.
3863 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3864 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3865 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3866 * ifcvt.c (if_convert): Ditto.
3867 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3868 canonicalize_loop_induction_variables,
3869 canonicalize_induction_variables,
3870 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3871 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3872 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3873 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3874 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3875 tree_ssa_loop_done): Ditto.
3876 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3877 estimate_bb_frequencies): Ditto.
3878 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3879 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3880 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3881 decide_unrolling_and_peeling, peel_loop_completely,
3882 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3883 peel_loop_simple, unroll_loop_stupid): Ditto.
3884 * loop-doloop.c (doloop_optimize_loops): Ditto.
3885 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3886 * loop-invariant.c (move_loop_invariants): Ditto.
3887 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3888 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3889 tree_ssa_prefetch_arrays): Ditto.
3890 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3892 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3893 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3894 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3895 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3896 verify_loop_structure): Ditto.
3897 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3898 canonicalize_induction_variables, tree_unroll_loops_completely,
3899 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3900 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3901 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3902 tree_unroll_loop, linear_transform_loops): Declaration changed.
3903 * basic-block.h: Remove declaration of struct loops.
3904 * cfghooks.h (struct cfg_hooks): Change type of
3905 cfg_hook_duplicate_loop_to_header_edge.
3906 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3907 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3908 vect_transform_loop): Declaration changed.
3909 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3910 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3911 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3912 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3913 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3914 loopify, loop_version, remove_path, unswitch_loops,
3915 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3916 Declaration changed.
3918 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3920 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3921 (X87MODEF): New mode macro.
3922 (ssemodefsuffix): New mode attribute.
3923 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3924 (sqrt_extend<mode>xf2_i387): New insn pattern.
3925 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3926 insn and truncate result back to original mode using
3927 UNSPEC_TRUNC_NOOP truncation.
3928 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3929 ssemodefsuffix mode attribute.
3930 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3931 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3932 (*sqrtextenddfxf2_i387): Remove insn patterns.
3934 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3935 truncation patterns.
3937 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3939 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3942 * c-tree.h (c_maybe_initialize_eh): New prototype.
3943 * c-decl.c (finish_decl): Move EH initialization...
3944 (c_maybe_initialize_eh): ... here. New function.
3945 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3946 if not #pragma omp atomic.
3949 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3950 or UNION_TYPE inner types.
3952 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3955 * ipa-pure-const.c (check_tree): If the original tree
3956 is volatile return early and say the function is not pure
3957 nor const. Remove the volatile check for writes.
3958 (analyze_function): Print out the result of the local
3961 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3963 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3965 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3966 * config/rs6000/rs6000.c (rs6000_override_options): Use
3967 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3970 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3972 * config/s390.c (s390_emit_compare_and_swap): New function.
3973 (s390_expand_cs_hqi, s390_expand_atomic): Call
3974 s390_emit_compare_and_swap.
3976 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3978 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3980 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3984 * c-common.c (conversion_warning): New.
3985 (convert_and_check): Call conversion_warning unless there is an
3987 * doc/invoke.texi (-Wconversion): Update description.
3989 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3991 * tree-ssa-alias.c (tree_pointer_compare): New function.
3992 (compact_name_tags): New function.
3993 (group_aliases): Call compact_name_tags.
3995 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3997 * real.h (real_isinteger): Declare.
3998 * real.c (real_isinteger): Define.
3999 * builtins.c (integer_valued_real_p): Use it.
4001 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4004 * c.opt (Wtraditional-conversion): New.
4005 (Wconversion): Update description.
4006 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4007 type conversions different from what would happen in the absence
4008 of prototype are now handled by Wtraditional-conversion.
4009 * doc/invoke.texi (Wtraditional-conversion): New.
4010 (Wconversion): Update description.
4011 * doc/trouble.texi (Wconversion): Replace Wconversion by
4012 Wtraditional-conversion.
4014 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4016 * predict.c (tree_estimate_probability): Check to make
4017 sure current_loops is non null before calling flow_loops_dump.
4019 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4021 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4023 2006-11-23 David Ung <davidu@mips.com>
4025 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4027 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4028 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4029 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4030 high part of FP register when in 64-bit FP register mode. Similarly
4031 use gen_mfhc1 to load high part of FP register.
4032 (override_options): Allow -mgp32 and -mfp64 combination if
4033 ISA_HAS_MXHC1 (currently for O32 only).
4034 (mips_cannot_change_mode_class): If floating-point registers are
4035 bigger than word size. disallow conversion of float register from a
4036 large integer mode to a float mode smaller than the float register
4038 (mips_class_max_nregs): Handle float registers case seperately.
4039 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4041 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4042 (movdf_hardfloat_32bit): Similarly.
4043 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4044 support a full 64-bit fpu.
4045 (mthc1): New pattern to generate MTHC1 instruction.
4046 (mfhc1): New pattern to generate MFHC1 instruction.
4047 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4048 option for the MIPS32R2 and mention its use under O32 ABI.
4050 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4052 * var-tracking.c (emit_note_insn_var_location): Take care not to
4053 cause verify_flow_info failures.
4055 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4057 * tree-ssa-structalias.c: Remove edge weights in favor of just
4058 processing them as complex constraints.
4059 (struct constraint_graph): Remove weighted succs and preds. Rename
4060 nonweighted succs and preds.
4061 (constraint_edge): Removed.
4062 (constraint_edge_t): Ditto.
4063 (constraint_edge_pool): Ditto.
4064 (new_constraint_edge): Ditto.
4065 (constraint_edge_equal): Ditto.
4066 (constraint_edge_less): Ditto.
4067 (constraint_edge_vec_find): Ditto.
4068 (erase_self_graph_edge): Ditto.
4069 (add_graph_edge): Removed.
4070 (get_graph_weights): Ditto.
4071 (allocate_graph_weights): Ditto.
4072 (valid_weighted_graph_edge): Ditto
4073 (bitmap_other_than_zero_bit_set): Ditto.
4074 (int_add_graph_edge): Renamed to add_graph_edge.
4075 (clear_edges_for_node): Remove support for weighted edges.
4076 (merge_graph_nodes): Ditto.
4077 (valid_graph_edge): Ditto.
4078 (build_constraint_graph): Ditto.
4080 (collapse_nodes): Ditto.
4081 (process_unification_queue): Ditto.
4082 (topo_visit): Ditto.
4083 (do_ds_constraint): Ditto.
4084 (perform_var_subsitution): Ditto.
4085 (solve_graph): Ditto.
4086 (init_alias_vars): Ditto.
4087 (delete_points_to_sets): Ditto.
4088 (do_complex_constraint): Support offsetted copies here.
4090 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4092 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4094 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4096 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4099 2006-11-23 Ben Elliston <bje@au.ibm.com>
4101 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4103 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4105 PR tree-optimization/29921
4106 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4107 signed and unsigned zero equal.
4109 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4111 * config/rs6000/rs6000.c (get_store_dest): New.
4112 (adjacent_mem_locations): Use get_store_dest() to get
4113 the rtl of the store destination.
4115 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4117 * config/rs6000/spe.md (SPE64): New mode macro.
4118 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4120 (mov_si<mode>_e500_subreg0_2): New.
4121 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4123 (mov_si<mode>_e500_subreg4_2): New.
4124 * config/rs6000/predicates.md (input_operand): Do not allow
4125 invalid E500 subregs.
4126 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4128 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4129 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4130 involving vector modes if TARGET_SPE.
4132 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4135 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4136 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4138 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4140 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4141 mem_i_address_operand): New predicates.
4142 * config/bfin/bfin.c (bfin_issue_rate): New function.
4143 (TARGET_SCHED_ISSUE_RATE): New macro.
4144 * config/bfin/bfin.md (addrtype): New attribute.
4145 (slot0, slot1, slot2, store, pregs): New cpu_units.
4146 (core): Now a define_reservation.
4147 (alu): Remove some insn types from this reservation.
4148 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4150 (dummy reservation): Don't trigger for mcld insns.
4151 (absence_sets): Two new absence sets to enforce slot ordering.
4152 (popsi_insn): Set addrtype.
4154 2006-11-22 Ira Rosen <irar@il.ibm.com>
4156 * doc/c-tree.texi: Document new tree codes.
4157 * doc/md.texi: Document new optabs.
4158 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4160 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4161 * optabs.h (optab_index): Add new.
4162 (vec_extract_even_optab, vec_extract_odd_optab,
4163 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4164 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4165 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4167 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4168 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4169 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4170 along with macros for their access.
4171 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4173 * tree-vect-analyze.c (toplev.h): Include.
4174 (vect_determine_vectorization_factor): Fix indentation.
4175 (vect_insert_into_interleaving_chain,
4176 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4177 (vect_analyze_data_ref_dependence): Add argument for interleaving
4178 check. Check for interleaving if it's true.
4179 (vect_check_dependences): New function.
4180 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4181 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4182 (vect_update_misalignment_for_peel): Update for interleaving.
4183 (vect_verify_datarefs_alignment): Check only first data-ref for
4185 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4186 only first data-ref for interleaving.
4187 (vect_analyze_data_ref_access): Check interleaving, update
4189 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4190 with different parameters.
4191 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4192 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4193 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4194 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4195 Update step in case of interleaving.
4196 (vect_strided_store_supported, vect_permute_store_chain): New
4198 (vectorizable_store): Handle strided stores.
4199 (vect_strided_load_supported, vect_permute_load_chain,
4200 vect_transform_strided_load): New functions.
4201 (vectorizable_load): Handle strided loads.
4202 (vect_transform_stmt): Add argument. Handle strided stores. Check
4203 that vectorized stmt exists for patterns.
4204 (vect_gen_niters_for_prolog_loop): Update calculation for
4206 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4207 whole chain vectorization.
4208 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4209 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4210 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4211 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4212 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4214 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4216 * cse.c (enum taken): Remove PATH_AROUND.
4217 (addr_affects_sp_p, invalidate_skipped_set,
4218 invalidate_skipped_block): Remove.
4219 (cse_end_of_basic_block): Remove skip_blocks and related code.
4220 (cse_main): Don't test for flag_cse_skip_blocks.
4221 Update cse_end_of_basic_block call.
4222 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4223 code to lengthen the path if a jump was simplified.
4225 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4227 PR rtl-optimization/29924
4228 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4229 (unroll_loop_runtime_iterations): Assert that the argument passed to
4230 split_edge_and_insert is not NULL.
4231 * loop-doloop.c (add_test): Ditto.
4233 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4235 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4237 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4238 * cfgloopmanip.c (update_single_exits_after_duplication,
4239 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4240 * tree-scalar-evolution.c (get_loop_exit_condition,
4241 get_exit_conditions_rec, loop_closed_phi_def,
4242 number_of_iterations_in_loop, scev_const_prop): Ditto.
4243 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4244 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4246 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4248 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4249 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4250 slpeel_make_loop_iterate_ntimes,
4251 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4252 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4254 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4255 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4256 vect_analyze_loop_form): Ditto.
4257 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4258 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4259 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4260 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4261 vect_transform_loop): Ditto.
4262 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4263 (single_exit, set_single_exit): New functions.
4264 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4265 (single_exit, set_single_exit): Declare.
4266 * doc/loop.texi: Undocument single_exit field. Document single_exit
4269 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4271 PR tree-optimization/29902
4272 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4273 any involved ssa name appears in abnormal phi node.
4275 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4277 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4278 (xtensa_const_ok_for_letter_p): Delete.
4279 (xtensa_extra_constraint): Delete.
4280 (override_options): Delete xtensa_char_to_class initialization.
4281 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4282 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4283 (EXTRA_CONSTRAINT): Delete.
4284 * config/xtensa/xtensa.md: Include constraints.md.
4285 (call_internal): Combine alternatives.
4286 (call_value_internal): Likewise, and remove invalid constraints.
4287 * config/xtensa/constraints.md: New file.
4288 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4289 (xtensa_extra_constraint): Delete.
4290 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4293 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4295 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4296 of conversion that doesn't fit.
4298 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4299 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4300 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4302 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4304 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4306 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4308 2006-11-21 Richard Guenther <rguenther@suse.de>
4310 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4311 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4312 vect_recog_pow_pattern.
4313 (vect_recog_pow_pattern): New function.
4315 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4317 * config/bfin/bfin.opt (mstack-check-l1): New.
4318 * doc/invoke.texi (Blackfin Options): Document it.
4319 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4320 stack bounds in L1 memory if the new option is enabled.
4321 (override_options): Don't allow combinations of -fstack-limit and
4323 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4326 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4328 (bfin_register_move_cost): Bump costs if trying to move plain
4329 integer values through accumulators.
4331 2006-11-21 Ben Elliston <bje@au.ibm.com>
4333 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4335 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4336 Russell Olsen <Russell_Olsen@playstation.sony.com>
4337 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4338 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4339 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4340 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4341 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4343 * config.gcc: Add target for SPU.
4344 * config/spu/constraints.md: New file.
4345 * config/spu/crt0.c: New file.
4346 * config/spu/crtend.c: New file.
4347 * config/spu/crti.asm: New file.
4348 * config/spu/crtn.asm: New file.
4349 * config/spu/float_unsdidf.c: New file.
4350 * config/spu/float_unssidf.c: New file.
4351 * config/spu/predicates.md: New file.
4352 * config/spu/spu-builtins.def: New file.
4353 * config/spu/spu-builtins.h: New file.
4354 * config/spu/spu-builtins.md: New file.
4355 * config/spu/spu-c.c: New file.
4356 * config/spu/spu-elf.h: New file.
4357 * config/spu/spu-modes.def: New file.
4358 * config/spu/spu-protos.h: New file.
4359 * config/spu/spu.c: New file.
4360 * config/spu/spu.h: New file.
4361 * config/spu/spu.md: New file.
4362 * config/spu/spu.opt: New file.
4363 * config/spu/spu_internals.h: New file.
4364 * config/spu/spu_intrinsics.h: New file.
4365 * config/spu/spu_mfcio.h: New file.
4366 * config/spu/t-spu-elf: New file.
4367 * config/spu/vec_types.h: New file.
4368 * config/spu/vmx2spu.h: New file.
4369 * doc/contrib.texi: Document SPU contributor.
4370 * doc/extend.texi: Document SPU extensions.
4371 * doc/invoke.texi: Document SPU options.
4372 * doc/md.texi: Document SPU constraints.
4374 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4376 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4378 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4380 (flow_loop_dump): Do not dump loop level.
4381 (flow_loops_find): Do not call flow_loops_level_compute.
4382 * cfgloop.h (struct loop): Remove level field.
4384 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4386 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4387 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4388 Use vector of edges instead of array.
4389 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4390 estimate_numbers_of_iterations_loop): Ditto.
4391 * predict.c (predict_loops): Ditto.
4392 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4393 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4395 * basic-block.h: Declare heap allocation for edge vectors.
4396 * tree-outof-ssa.c: Ditto.
4397 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4398 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4400 2006-11-20 Zack Weinberg <zackw@panix.com>
4402 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4403 Add another out parameter, "skip".
4404 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4405 is tagged "skip", do not mark its type used.
4407 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4410 * tree-sra.c (single_scalar_field_in_record_p): New function.
4411 (decide_block_copy): Use it.
4413 2006-11-20 David Daney <ddaney@avtrex.com>
4415 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4416 PC to point to following instruction.
4418 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4422 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4424 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4426 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4428 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4429 Add sh/superh.h to tm_file.
4431 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4432 Mark Mitchell <mark@codesourcery.com>
4434 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4436 (cpp_relocated): New function.
4437 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4439 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4440 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4441 replace configured prefix with gcc_exec_prefix.
4443 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4445 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4446 bfin_legitimate_constant_p.
4447 * config/bfin/bfin.md (movsi expander): Check return value of
4449 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4450 (expand_move): Adjust prototype.
4451 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4452 invalid constants specially.
4453 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4455 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4457 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4458 sibcall_value_symbol): Allow these patterns if
4459 TARGET_LEAF_ID_SHARED_LIBRARY.
4460 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4461 (override_options): Turn on id shared library flags if -msep-data,
4462 but disallow the combination of these options on the command line.
4463 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4464 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4465 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4466 -mid-shared-library.
4467 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4468 * doc/invoke.texi (Blackfin Options): Document new switches.
4470 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4471 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4473 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4474 inflate costs for addresses with an out-of-bounds address.
4476 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4479 * fwprop.c (loops): Remove.
4480 (forward_propagate_into): Use current_loops instead of
4482 (fwprop_init): Call loop_optimizer_init instead of
4484 (fwprop_done): Call loop_optimizer_finalize instead of
4486 (fwprop): Use current_loops instead of loops.
4488 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4491 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4493 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4496 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4497 larger than BITS_PER_WORD.
4499 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4503 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4504 to MAX_FIXED_MODE_SIZE.
4506 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4508 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4509 (fold_builtin_fmin_fmax): New.
4510 (fold_builtin_1): Use it.
4512 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4514 2006-11-18 Richard Guenther <rguenther@suse.de>
4516 * config/i386/i386.c (ix86_builtins): New array for ix86
4517 builtin function decls.
4518 (def_builtin): New function.
4519 (def_builtin_const): Likewise.
4520 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4522 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4524 * doc/invoke.texi (core2): Add item.
4526 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4528 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4529 (TARGET_CPU_DEFAULT_generic): Change value.
4530 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4531 (processor_type): Add new constant PROCESSOR_CORE2.
4533 * config/i386/i386.md (cpu): Add core2.
4535 * config/i386/i386.c (core2_cost): New initialized variable.
4536 (m_CORE2): New macro.
4537 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4538 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4539 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4540 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4541 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4542 x86_accumulate_outgoing_args, x86_prologue_using_move,
4543 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4544 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4545 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4546 x86_pad_returns): Add m_CORE2.
4547 (override_options): Add entries for Core2.
4548 (ix86_issue_rate): Add case for Core2.
4550 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4552 * doc/invoke.texi: Fix mno-isel typo.
4554 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4556 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4557 easy vector constant loads.
4559 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4561 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4562 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4563 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4564 * config/rs6000/sync.md (lwsync): Emit plain sync if
4567 2006-11-17 DJ Delorie <dj@redhat.com>
4569 * reload1.c (reloads_unique_chain): New.
4570 (reloads_conflict): Call it.
4572 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4574 * config/xtensa/predicates.md (addsubx_operand): New.
4575 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4576 (xtensa_emit_bit_branch): New.
4577 (xtensa_emit_movcc): New.
4578 * config/xtensa/xtensa.md (any_minmax): New code macro.
4579 (minmax): New code attribute.
4580 (any_cond, any_scc, any_scc_sf): New code macros.
4581 (*addx2, *addx4, *addx8): Delete.
4583 (*subx2, *subx4, *subx8): Delete.
4585 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4586 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4587 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4588 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4589 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4590 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4591 (movsfcc_internal0, movsfcc_internal1): Likewise.
4592 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4593 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4594 (xtensa_emit_bit_branch): New.
4595 (xtensa_emit_movcc): New.
4596 (function_arg_boundary): Add missing prototype.
4598 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4600 * config/xtensa/xtensa.md (tstsi): Delete
4602 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4604 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4606 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4608 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4610 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4612 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4614 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4616 * tree-vrp.c (execute_vrp): Do not update current_loops.
4617 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4618 * doc/loop.texi: Remove documentation for cancelled functions.
4619 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4620 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4622 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4623 (remove_path): Ensure that in delete_basic_blocks, the loops
4624 are still allocated.
4625 (add_loop): Work on valid loop structures.
4626 (loopify): Modify call of add_loop.
4627 (mfb_update_loops): Removed.
4628 (create_preheader): Do not update loops explicitly.
4629 (force_single_succ_latches, loop_version): Do not use
4630 loop_split_edge_with.
4631 (loop_split_edge_with): Removed.
4632 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4633 Do not use bsi_insert_on_edge_immediate_loop.
4634 (split_loop_exit_edge, tree_unroll_loop): Do not use
4635 loop_split_edge_with.
4636 (bsi_insert_on_edge_immediate_loop): Removed.
4637 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4638 use loop_split_edge_with.
4639 * cfghooks.c: Include cfgloop.h.
4640 (verify_flow_info): Verify that loop_father is filled iff current_loops
4642 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4643 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4645 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4647 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4648 loop_split_edge_with.
4649 (sms_schedule): Use current_loops.
4650 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4651 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4653 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4654 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4655 * ifcvt.c (if_convert): Ditto.
4656 * predict.c (predict_loops): Do not clear current_loops.
4657 (tree_estimate_probability): Use current_loops.
4658 (propagate_freq): Receive head of the region to propagate instead of
4660 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4661 (estimate_loops): New function. Handle case current_loops == NULL.
4662 (estimate_bb_frequencies): Do not allocate tovisit. Use
4664 * tree-ssa-loop.c (current_loops): Removed.
4665 (tree_loop_optimizer_init): Do not return loops.
4666 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4667 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4668 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4669 Do not update loops explicitly.
4670 * function.h (struct function): Add x_current_loops field.
4671 (current_loops): New macro.
4672 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4673 * loop-unroll.c (split_edge_and_insert): New function.
4674 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4675 use loop_split_edge_with.
4676 * loop-doloop.c (add_test, doloop_modify): Ditto.
4677 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4678 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4679 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4680 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4682 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4683 (flow_loops_free): Do not free dfs_order and rc_order.
4684 (flow_loops_find): Do not set dfs_order and rc_order in loops
4685 structure. Do not call loops and flow info verification.
4686 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4687 already belongs to some loop.
4688 * cfgloop.h (struct loops): Remove struct cfg.
4689 (current_loops, loop_split_edge_with): Declaration removed.
4690 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4691 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4692 Declaration removed.
4693 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4694 * basic-block.h (split_edge_and_insert): Declare.
4695 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4697 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4699 PR tree-optimization/29801
4700 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4701 (get_default_value): Use get_symbol_constant_value.
4702 (set_lattice_value): ICE when the value of the constant is
4704 (visit_assignment): Ignore VDEFs of read-only variables.
4706 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4708 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4710 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4711 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4713 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4715 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4716 select subvars of var.
4718 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4721 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4722 optimize if DEF doesn't have integral type.
4724 2006-11-16 Mike Stump <mrs@apple.com>
4726 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4727 pre-darwin9 system, unless the user asks for it directly.
4728 (PREFERRED_DEBUGGING_TYPE): Likewise.
4729 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4730 * config.gcc: Add suppport for darwin9.h.
4731 * config/darwin9.h: Add.
4732 * doc/install.texi (Specific): Clarify darwin documentation.
4734 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4736 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4737 optimizing for size.
4739 2006-11-16 Mike Stump <mrs@apple.com>
4741 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4743 2006-11-16 Dirk Mueller <dmueller@suse.de>
4745 * tree-vrp.c (get_value_range): Use XCNEW instead
4747 (insert_range_assertions): Use XCNEWVEC instead
4748 of XNEWVEC and memset.
4749 (vrp_initialize): Same.
4750 (vrp_finalize): Same.
4751 * tree-ssa-ccp.c (ccp_initialize): Same.
4752 * predict.c (tree_bb_level_predictions): Same.
4753 * calls.c (expand_call): Same.
4754 * tree-ssa-copy.c (init_copy_prop): Same.
4755 (fini_copy_prop): Same.
4756 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4757 of GGC_NEW and memset.
4759 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4762 * gimplify.c (gimplify_expr): Only force a load for references to
4763 non-BLKmode volatile values.
4764 * doc/implement-c.texi (Qualifiers implementation): Document the
4765 interpretation of what a volatile access is.
4766 * doc/extend.texi (C++ Extensions): Rework same documentation.
4768 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4770 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4773 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4775 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4777 (arm_neg_abssi2): Renamed from neg_abssi2.
4778 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4780 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4782 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4783 number of arguments passed to local functions in SSE registers is 3.
4785 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4786 number of arguments passed in SSE registers to 3.
4788 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4791 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4793 (get_last_bb_insn): ... new global function.
4794 (basic_block.h): Declare it.
4795 * haifa-sched.c (create_recovery_block): Use it.
4797 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4800 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4802 2006-11-15 Paul Brook <paul@codesourcery.com>
4804 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4805 _Unwind_GetTextRelBase): Move from here ...
4806 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4807 _Unwind_GetTextRelBase): ... To here.
4809 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4811 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4812 addresses we generate for testing are aligned.
4814 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4817 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4818 to what is the const decl is a place holder for.
4820 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4822 * config/i386/i386.opt: New target option -mx87regparm.
4824 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4825 and float_in_x87 variables. mmx_words, sse_words: Remove.
4826 (X87_REGPARM_MAX): Define.
4828 * config/i386/i386.c (override_options): Error out for
4829 -mx87regparm but no 80387 support.
4830 (ix86_attribute_table): Add x87regparm.
4831 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4832 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4833 (ix86_function_x87regparm): New function.
4834 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4836 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4838 (function_arg_advance): Process x87_nregs and x87_regno when
4839 floating point argument is to be passed in 80387 register.
4840 (function_arg): Pass XFmode arguments in 80387 registers for local
4841 functions. Pass SFmode and DFmode arguments to local functions
4842 in 80387 registers when flag_unsafe_math_optimizations is set.
4844 * reg-stack.c (convert_regs_entry): Disable NaN load for
4845 stack registers that are used for argument passing.
4847 * doc/extend.texi: Document x87regparm function attribute.
4848 * doc/invoke.texi: Document -mx87regparm.
4850 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4852 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4853 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4854 arg MODE; all callers changed. Use it to determine validity per
4855 machine mode instead of using Pmode for all memory references.
4856 (get_address_cost): Likewise add and use new arg MEM_MODE.
4858 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4859 J"orn Rennecke <joern.rennecke@st.com>
4861 * combine.c (likely_spilled_retval_1): Fix masking operation.
4862 (likely_spilled_retval_p): Use proper pattern for call to
4863 likely_spilled_retval_1.
4865 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4867 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4869 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4870 that tests for CONSTANT_POOL_ADDRESS_P.
4872 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4874 PR tree-optimization/29581
4875 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4876 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4877 type is different between Y and USE, create a temporary
4878 variable, initialize it at the beginning of the body bb
4879 and use it as replacement instead of Y.
4881 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4884 * gimplify.c (fold_indirect_ref_rhs): Use
4885 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4887 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4889 * expmed.c (emit_store_flag_1): New function.
4890 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4892 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4893 Use do_compare_rtx_and_jump.
4894 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4895 * arm.md (cstoresi4): New define_expand.
4896 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4897 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4898 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4900 2006-11-14 Caroline Tice <ctice@apple.com>
4902 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4903 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4905 (pubname_table): Redefine as a vector.
4906 (pubtype_table): New static global variable, defined as a vector.
4907 (pubname_table_allocated): Remove static global variable.
4908 (pubname_table_in_use): Remove static global variable.
4909 (PUBNAME_TABLE_INCREMENT): Remove constant.
4910 (size_of_pubnames): Add parameter to deal with either pubnames or
4911 pubtypes, and change code to deal with table being a vector.
4912 (add_pubname): Change to deal with table being a vector.
4913 (add_pubtype): New function.
4914 (output_pubnames): Add parameter to deal with either pubnames or
4915 pubtypes, and change code to deal with table being a vector.
4916 (gen_array_type_die): Add call to add_pubtype.
4917 (gen_enumeration_type_die): Add call to add_pubtype.
4918 (gen_struct_or_union_type_die): Add call to add_pubtype.
4919 (gen_subroutine_type_die): Add call to add_pubtype.
4920 (gen_typedef_die): Add call to add_pubtype.
4921 (dwarf2out_init): Add code to initialize pubname_table and
4922 pubtype_table vectors; also initialize debug_pubtypes_section.
4923 (prune_unused_types): Change to deal with pubnames being a vector.
4924 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4925 pubnames table to call to output_pubnames; Add code to output pubtypes
4926 table if DEBUG_PUBTYPES_SECTION is defined.
4927 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4929 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4931 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4933 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4934 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4935 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4936 movv2si_internal): Support moves between core registers.
4938 2006-11-14 Eric Christopher <echristo@apple.com>
4940 * configure: Regenerate with autoconf 2.59.
4942 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4944 Fix PR tree-optimization/27755
4946 * tree-ssa-pre.c: Update comments.
4947 (bb_bitmap_sets): Add pa_in and deferred member.
4948 (BB_DEFERRED): New macro.
4949 (maximal_set): New variable.
4950 (pre_stats): Add pa_insert member.
4951 (bitmap_set_and): Short circuit orig == dest.
4952 (bitmap_set_subtract_values): New function.
4953 (bitmap_set_contains_expr): Ditto.
4954 (translate_vuses_through_block): Add phiblock argument.
4955 (dependent_clean): New function.
4956 (compute_antic_aux): Update for maximal_set changes.
4957 (compute_partial_antic_aux): New function.
4958 (compute_antic): Handle partial anticipation.
4959 (do_partial_partial_insertion): New function.
4960 (insert_aux): Handle partial anticipation.
4961 (add_to_sets): Add to maximal set.
4962 (compute_avail): Ditto.
4963 (init_pre): Initialize maximal_set.
4964 (execute_pre): Do partial anticipation if -O3+.
4966 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4968 PR rtl-optimization/29798
4970 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4971 TARGET_INSN before any other check.
4972 (fwprop_init): Always calculate dominators.
4973 (fwprop_done): Always free them.
4975 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4980 2006-11-13 DJ Delorie <dj@redhat.com>
4982 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4983 temporary for intermediates.
4985 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4987 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4988 (sh_optimize_target_register_callee_saved): #if 0 the code
4989 using NOTE_INSN_LOOP_{BEG,END}.
4991 2006-11-13 Roger Sayle <roger@eyesopen.com>
4993 * fold-const.c (optimize_bit_field_compare): Recursively call
4994 fold when simplifying non-constant comparisons between bit-fields.
4996 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4998 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5000 * configure: Rebuilt.
5002 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5004 * config/rs6000/cell.md: New file.
5005 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5007 (ppccell_cost): New cost matrix.
5008 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5009 (rs6000_override_options): Set rs6000_always_hint to false
5010 for cell. Also align functions/lables/loops to 8byte
5011 for the Cell. Use PROCESSOR_CELL.
5012 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5013 using_mtcr_multiple.
5014 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5015 on the Cell, return 0.
5016 (rs6000_adjust_cost): Add Cell cost adjustments.
5017 (is_microcoded_insn): Return true for Cell microcoded
5019 (is_nonpipeline_insn): New function.
5020 (rs6000_issue_rate): Add PROCESSOR_CELL.
5021 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5023 (rs6000_use_sched_lookahead_guard): New function.
5024 (rs6000_sched_reorder): Reorder the ready list, if the second
5025 to last ready insn is a nonepipeline insn on the Cell.
5026 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5027 (ASM_CPU_SPEC): Add Cell.
5028 * config/rs6000/rs6000.md (cpu): Add Cell.
5029 (cell_micro): New Attr.
5032 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5034 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5036 * configure: Rebuilt.
5038 2006-11-13 Richard Guenther <rguenther@suse.de>
5040 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5042 (ix86_expand_lfloorceil): Likewise.
5043 (ix86_expand_rint): Likewise.
5044 (ix86_expand_floorceildf_32): Likewise.
5045 (ix86_expand_floorceil): Likewise.
5046 (ix86_expand_rounddf_32): Likewise.
5047 (ix86_expand_truncdf_32): Likewise.
5048 (ix86_expand_round): Likewise.
5050 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5051 Mark Mitchell <mark@codesourcery.com>
5053 * gcc.c: Organize search path variables into $prefix relative,
5054 and well-known native. Add comments.
5055 (add_sysrooted_prefix): Add comment.
5056 (process_command): If !gcc_exec_prefix add $prefix based paths.
5057 If *cross_compile == '0', add native well-known paths.
5058 Assert tooldir_base_prefix is always relative.
5059 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5060 use this value for 'install:' path.
5061 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5063 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5065 * config/i386/i386.c: Fix a typo in comment.
5067 2006-11-13 Michael Matz <matz@suse.de>
5069 * genemit.c (gen_expand): Allocate enough memory.
5071 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5073 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5074 __GXX_TYPEINFO_EQUALITY_INLINE but not
5075 __GXX_MERGED_TYPEINFO_NAMES.
5076 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5077 __GXX_MERGED_TYPEINFO_NAMES.
5078 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5079 __GXX_TYPEINFO_EQUALITY_INLINE.
5081 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5082 Zdenek Dvorak <dvorakz@suse.cz>
5084 PR tree-optimization/29680
5085 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5088 2006-11-12 Jason Merrill <jason@redhat.com>
5089 Andrew Pinski <pinskia@physics.uc.edu>
5092 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5094 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5096 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5097 * tree.c (build_vector): Handle non-_CST elements.
5099 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5101 * genemit.c (gen_insn): Call gen_exp with a non-null used
5102 when handling multiple insns.
5103 (gen_expand): Likewise.
5104 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5105 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5106 (movsi_const_16bit+1): Copy operands[1].
5107 (call_pcrel): Copy the call_site pattern.
5108 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5110 2006-11-12 Roger Sayle <roger@eyesopen.com>
5112 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5113 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5114 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5115 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5117 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5119 Fix PR tree-optimization/29587
5120 * tree-ssa-structalias.c (process_constraint): Don't
5121 mark address taken due only to escaped vars constraint.
5123 2006-11-12 Michael Matz <matz@suse.de>
5124 Roger Sayle <roger@eyesopen.com>
5126 PR rtl-optimization/29797
5127 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5128 BITS_BIG_ENDIAN targets.
5130 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5132 * builtins.c (fold_builtin_cosh): New.
5133 (fold_builtin_1): Use it.
5134 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5135 trunc to the list of "odd" functions. Also add llrint, lrint,
5136 rint and nearbyint when flag_rounding_math is false.
5138 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5140 * tree-flow.h (name_mappings_registered_p): Declare.
5141 * tree-into-ssa.c (name_mappings_registered_p): New function.
5142 * tree-cfg.c (tree_can_merge_blocks_p): Check
5143 name_mappings_registered_p instead of need_ssa_update_p.
5145 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5147 * tree-ssa-loop.c (tree_vectorize): Return the result of
5149 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5150 if anything changed.
5151 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5152 * tree-flow.h (vectorize_loops): Declaration changed.
5154 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5156 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5158 (issue_prefetch_ref): Move assignment to write_p out of loop.
5159 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5160 SIMULTANEOUS_PREFETCHES into account.
5161 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5162 * lambda-code.c (lcm): Renamed to ...
5163 (least_common_multiple): ... and exported.
5164 * tree-flow.h (least_common_multiple): Declare.
5166 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5168 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5169 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5170 ud-chains. Handle AND_EXPR.
5171 (record_estimate): Record whether the estimate is realistic
5172 and whether it is derived from a loop exit.
5173 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5174 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5176 (compute_estimated_nb_iterations): Take only realistic bounds into
5177 account. Set estimate_state. Use double_ints.
5178 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5179 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5180 that do not have to be always executed.
5181 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5182 to determine whether to call infer_loop_bounds_from_undefined
5183 and compute_estimated_nb_iterations.
5184 (n_of_executions_at_most): Use double_ints.
5185 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5186 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5187 * double-int.c (double_int_to_tree): Improve comment.
5188 (double_int_fits_to_tree_p): New function.
5189 * double-int.h (double_int_fits_to_tree_p): Declare.
5190 * tree-data-ref.c: Include langhooks.h.
5191 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5192 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5193 (analyze_array): Do not pass estimate_only argument to
5194 analyze_array_indexes.
5195 (get_number_of_iters_for_loop): Build tree from the stored double_int
5197 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5198 (find_data_references_in_loop): Use find_data_references_in_stmt.
5199 * tree-data-ref.h (struct data_ref_loc_d): New.
5200 (get_references_in_stmt): Declare.
5201 (estimate_iters_using_array): Declaration removed.
5202 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5203 double_int. Improve comments. Add is_exit and realistic
5205 (struct loop): Changed type of estimated_nb_iterations to double_int.
5206 Added estimate_state field.
5207 (record_estimate): Declaration removed.
5209 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5211 * params.c (set_param_value): Initialize the "set" field.
5212 * params.h (struct param_info): Add "set" field.
5213 (PARAM_SET_P): New macro.
5214 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5215 L1_CACHE_LINE_SIZE): New macros.
5216 * toplev.c (DEFPARAM): Initialize the "set" field.
5217 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5218 SIMULTANEOUS_PREFETCHES): Removed.
5219 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5220 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5221 * config/sparc/sparc.c: Include params.h.
5222 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5223 L1_CACHE_LINE_SIZE parameters.
5224 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5226 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5228 * config/i386/i386.c: Include params.h.
5229 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5230 (override_options): Set SIMULTANEOUS_PREFETCHES and
5231 L1_CACHE_LINE_SIZE parameters.
5232 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5233 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5234 L1_CACHE_LINE_SIZE parameters.
5235 * config/ia64/ia64.c (ia64_optimization_options): Set
5236 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5237 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5239 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5240 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5241 * doc/invoke.texi: Document new params.
5243 2006-11-12 Roger Sayle <roger@eyesopen.com>
5245 PR tree-optimization/13827
5246 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5249 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5251 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5252 update_single_exit_for_duplicated_loops): New functions.
5253 (duplicate_loop_to_header_edge): Use
5254 update_single_exit_for_duplicated_loops.
5255 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5256 functions only with ENABLE_CHECKING.
5258 2006-11-12 Andreas Schwab <schwab@suse.de>
5260 * except.c (sjlj_emit_function_enter): Remove unused variable.
5262 2006-11-11 Roger Sayle <roger@eyesopen.com>
5264 * fold-const.c (int_binop_types_match_p): New function.
5265 (size_binop): Relax constraint that both arguments must both have
5266 exactly the same sizetype type. Instead use int_binop_types_match_p.
5267 (size_diffop): Likewise.
5269 (make_range): Use build_int_cst instead of fold_convert.
5270 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5271 integer constants of the correct type.
5272 (fold_div_compare): Likewise.
5273 (fold_single_bit_test): Likewise.
5274 (fold_binary): Likewise.
5275 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5276 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5278 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5281 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5282 non null value if the struct memory access is in the 0th
5285 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5288 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5289 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5292 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5293 instead of builtin_define for bfin and BFIN.
5295 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5297 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5300 2006-11-11 Jan Hubicka <jh@suse.cz>
5302 * extend.texi (__builtin_expect): We no longer require second argument
5304 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5305 * builtins.c (expand_builtin_expect): Simplify.
5306 (expand_builtin_expect_jump): Kill.
5307 * final.c (final_scan_insn): Do not skip the removed notes.
5308 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5309 EXPECTED_VALUE): Remove.
5310 * dojump.c (do_jump): Do not care about __builtin_expect.
5311 * predict.c (expected_value_to_br_prob): Kill.
5312 * function.c (expand_function_end): Do not expand
5313 NOTE_INSN_REPEATED_LINE_NUMBER.
5314 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5315 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5316 * cfgexpand.c (add_reg_br_prob_note): Export.
5317 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5318 expected_value_to_br_prob.
5319 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5320 * rtl.h (add_reg_br_prob_note): Declare.
5322 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5324 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5326 2006-11-11 Jan Hubicka <jh@suse.cz>
5328 * predict.c (predict_loops): Kill RTL variant.
5330 2006-11-11 Jan Hubicka <jh@suse.cz>
5332 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5333 * modulo-sched.c (find_line_note): Remove.
5334 (loop_canon_p): Do not worry about line number notes.
5335 (sms_schedule): Likewise.
5336 * cse.c (cse_main): Likewise.
5337 * regmove.c (fixup_match_1): Likewise
5338 * function.c (emit_return_info_block): Likewise.
5339 (expand_function_end): Likewise.
5340 (thread_prologue_an_epilogue_insns): Likewise.
5341 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5343 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5344 emit_note_copy_after): Kill.
5345 (emit_note_copy): Do not worry about line numbers.
5346 * jump.c (purge_line_number_notes): Kill.
5347 (pass_purge_lineno_notes): Kill.
5348 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5350 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5351 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5352 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5353 * tree-pass.h (pass_purge_lineno_notes): Kill.
5354 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5355 rm_redundant_line_notes.
5356 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5357 rm_redundant_line_notes.
5358 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5359 * haifa-sched.c: Update comment about handling notes.
5360 (unlink_line_notes): Kill.
5361 (rm_line_notes): Kill.
5362 (save_line_notes): Simplify.
5363 (rm_redundant_line_notes): Kill.
5365 2006-11-11 Richard Guenther <rguenther@suse.de>
5367 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5368 Remove unused tree codes.
5369 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5370 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5371 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5372 * tree.c (stabilize_reference): Likewise.
5373 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5374 fold_unary): Likewise.
5375 * tree-gimple.c (is_gimple_cast): Likewise.
5376 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5377 * expr.c (expand_expr_real_1): Likewise.
5378 * tree-eh.c (tree_could_trap_p): Likewise.
5379 * gimplify.c (gimplify_expr): Likewise.
5380 * tree-inline.c (estimate_num_insns_1): Likewise.
5381 * tree-cfg.c (verify_expr): Likewise.
5383 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5385 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5386 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5387 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5389 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5392 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5393 constraints accept neither registers or memories.
5395 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5397 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5398 (NO_PROFILE_COUNTERS): Define as 1.
5400 2006-11-10 Roger Sayle <roger@eyesopen.com>
5402 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5403 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5405 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5407 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5409 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5411 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5412 (fold_builtin_hypot): Likewise.
5413 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5415 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5417 2006-11-10 Roger Sayle <roger@eyesopen.com>
5419 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5420 when attempting to build INTEGER_CSTs of non-integral types.
5421 * expmed.c (make_tree): Use the correct type, i.e. the inner
5422 type, when constructing the individual elements of a CONST_VECTOR.
5424 2006-11-10 Jan Hubicka <jh@suse.cz>
5426 * cse.c (cse_process_notes): Copy the propagated value.
5427 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5429 * gcse.c (try_replace_reg): Copy the replacement.
5430 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5431 (assign_386_stack_local): Always return copied memory expression
5432 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5435 2006-11-10 Jan Hubicka <jh@suse.cz>
5437 * final.c (final): Walk from first instruction.
5438 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5440 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5443 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5445 (umulv8hi3_highpart): Ditto.
5446 (vec_widen_smult_hi_v8hi): New expander.
5447 (vec_widen_smult_lo_v8hi): Ditto.
5449 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5452 * builtins.c (do_mpfr_arg3): New.
5453 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5455 2006-11-09 Eric Christopher <echristo@apple.com>
5460 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5461 * config.gcc (powerpc64-*-darwin*): New target.
5462 * config.host: Ditto.
5463 * config/rs6000/darwin64.h: New file.
5464 * config/rs6000/x-darwin64: Ditto.
5465 * config/rs6000/host-ppc64-darwin.c: Ditto.
5467 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5469 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5470 routines for integer division.
5472 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5474 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5476 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5479 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5481 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5483 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5484 simplify_subreg with BLKmode outer mode.
5486 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5488 * doc/invoke.texi: Minor formatting fixes in option lists.
5490 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5492 PR tree-optimization/29738
5493 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5494 (ccp_lattice_t): Remove UNKNOWN_VAL.
5495 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5496 Do not handle UNKNOWN_VAL.
5497 (get_default_value): Set initial value of virtual operands to
5499 (get_value): Always use get_default_value on uninitialized
5501 (set_value_varying, surely_varying_stmt_p): New functions.
5502 (set_lattice_value): Do not pass argument to get_value.
5503 Do not handle UNKNOWN_VAL.
5504 (likely_value): Follow the semantics described in the comment.
5505 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5506 phi nodes DONT_SIMULATE_AGAIN.
5507 (ccp_fold): Do not pass argument to get_value.
5508 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5511 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5513 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5514 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5516 2006-11-08 Roger Sayle <roger@eyesopen.com>
5518 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5519 test for inclusion rather than as a test for exclusion.
5520 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5521 the condition after calling fold_binary.
5522 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5523 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5524 * builtins.c (fold_builtin_isascii): Likewise.
5525 (fold_builtin_isdigit): Likewise.
5527 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5529 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5530 * configure: Regenerate.
5532 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5534 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5535 enum argument instead of bool.
5536 (vect_analyze_operations): Call vectorizable_type_promotion.
5537 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5538 stmt_vec_info_type value.
5539 (supportable_widening_operation, vectorizable_type_promotion): New
5540 function declarations.
5541 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5542 (vectorizable_type_promotion): New function.
5543 (vect_transform_stmt): Call vectorizable_type_promotion.
5544 * tree-vect-analyze.c (supportable_widening_operation): New function.
5545 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5547 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5550 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5551 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5552 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5554 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5555 * expr.c (expand_expr_real_1): Likewise.
5556 * optabs.c (optab_for_tree_code): Likewise.
5557 (init_optabs): Initialize new optabs.
5558 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5559 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5560 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5561 vec_unpacku_lo_optab): Initialize new optabs.
5562 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5563 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5564 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5566 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5567 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5568 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5569 (vec_unpacku_lo_optab): New optabs.
5570 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5571 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5572 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5573 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5574 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5575 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5577 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5578 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5579 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5580 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5581 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5582 implement the unsigned unpacking patterns.
5583 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5584 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5585 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5586 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5587 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5588 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5589 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5590 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5591 multiplication patterns.
5593 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5594 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5595 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5596 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5597 (rs6000_builtin_mul_widen_odd): New.
5598 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5599 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5600 * tree-vectorizer.h (enum vect_relevant): New enum type.
5601 (_stmt_vec_info): Field relevant chaned from bool to enum
5603 (STMT_VINFO_RELEVANT_P): Updated.
5604 (STMT_VINFO_RELEVANT): New.
5605 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5606 instead of STMT_VINFO_RELEVANT_P.
5607 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5608 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5609 and boolean variable with enum vect_relevant.
5610 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5611 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5612 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5614 2006-11-08 Richard Henderson <rth@redhat.com>
5616 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5617 vec_widen_umult_lo_v8hi): New.
5618 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5619 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5621 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5622 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5623 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5624 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5625 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5626 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5627 vec_unpacks_lo_v4si): New.
5629 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5631 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5632 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5633 (vect_analyze_operations): Call vectorizable_type_demotion.
5634 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5635 stmt_vec_info_type value.
5636 (vectorizable_type_demotion): New function declaration.
5637 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5640 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5641 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5643 * tree-iniline.c (estimate_num_insns_1): Likewise.
5644 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5645 * optabs.c (optab_for_tree_code): Likewise.
5647 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5648 compared against the predicate of the result is not 'mode' (the input
5649 to the function) but a mode with half the size of 'mode'.
5650 (init_optab): Initialize new optabs.
5651 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5653 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5655 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5656 (vec_pack_usat_optab): Initialize new optabs.
5657 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5658 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5660 2006-11-08 Richard Henderson <rth@redehat.com>
5662 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5663 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5664 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5665 (vec_interleave_highv4si, vec_interleave_lowv4si):
5666 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5668 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5670 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5672 (vect_transform_stmt): Removed redundant code.
5674 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5676 * tree-vect-transform.c (vectorizable_operation): Support multiple
5679 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5681 * tree-vect-transform.c (vect_align_data_ref): Removed.
5682 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5683 Updated function documentation. Return the increment stmt in ptr_incr.
5684 (bump_vector_ptr): New function.
5685 (vect_get_vec_def_for_stmt_copy): New function.
5686 (vect_finish_stmt_generation): Create a stmt_info to newly created
5688 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5690 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5691 VF is greater than the number of elements that can fit in one vector
5693 (vectorizable_operation, vectorizable_condition): Likewise.
5694 (vectorizable_store, vectorizable_load): Support the case that the VF
5695 is greater than the number of elements that can fit in one vector word.
5696 (vect_transform_loop): Don't fail in case of multiple data-types.
5697 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5698 in case of multiple data-types; the smallest type determines the VF.
5699 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5700 if they are of different sizes.
5701 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5702 number of elements rather than number of bytes.
5703 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5704 (vect_can_advance_ivs_p): Fix a dump printout
5706 2006-11-07 Eric Christopher <echristo@apple.com>
5708 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5709 (__bswapsi2): Ditto.
5710 * libgcc2.h: Remove transformation of bswap routines.
5711 * config/i386/i386.md (bswapsi2): New.
5714 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5716 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5717 (handle_gnu_inline_attribute): New function.
5718 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5719 (merge_decls, start_decl, start_function): Likewise.
5720 * doc/extend.texi: Document gnu_inline attribute.
5722 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5725 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5726 _fixunstfdi, and _floatditf
5728 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5730 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5732 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5733 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5734 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5735 which start in an odd register.
5737 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5739 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5741 2006-11-07 Josh Conner <jconner@apple.com>
5743 * doc/invoke.texi (fstrict-aliasing): Move implementation
5745 * doc/tree-ssa.texi (Alias analysis): ...here.
5747 2006-11-07 Richard Guenther <rguenther@suse.de>
5749 PR tree-optimization/29610
5750 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5751 of tree_purge_dead_eh_edges as it may free dominators.
5753 * g++.dg/other/pr29610.C: New testcase.
5755 2006-11-07 David Ung <davidu@mips.com>
5757 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5758 costs when optimizing for size.
5759 (override_options): Use mips_rtx_cost_optimize_size table for cost
5762 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5764 * gcc.c (process_command): Treat -b as normal switch if its argument
5767 2006-11-07 David Ung <davidu@mips.com>
5769 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5772 2006-11-06 Eric Christopher <echristo@apple.com>
5774 * config.gcc: Add x86_64-darwin host support.
5775 * config.host: Ditto.
5776 * config/i386/darwin64.h: New file.
5777 * config/i386/t-darwin64: Ditto.
5779 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5781 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5782 and output-exists-not.
5784 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5787 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5788 checking for overflow.
5790 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5792 * configure.ac: Fixed typo in case statement: :: changed to ;;
5794 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5796 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5797 count_leading_zeros, and count_trailing_zeros.
5798 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5799 (TARGET_FOLD_BUILTIN): Define.
5800 (TARGET_EXPAND_BUILTIN): Define.
5801 (xtensa_init_builtins): New.
5802 (xtensa_fold_builtin): New.
5803 (xtensa_expand_builtin): New.
5804 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5805 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5806 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5807 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5808 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5809 (any_extend): New code macro.
5810 (u, su): New code attributes.
5811 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5812 (nsau): Remove; replaced by clzsi2.
5813 (ffssi2): Use clzsi2.
5814 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5815 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5816 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5817 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5818 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5820 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5822 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5824 * config/arm/t-strongarm-elf: Likewise.
5825 * config/arm/t-pe: Likewise.
5826 * config/arm/t-arm-elf: Likewise.
5827 * config/arm/t-xscale-elf: Likewise.
5828 * config/arm/t-arm-coff: Likewise.
5829 * config/arm/t-xscale-coff: Likewise.
5830 * config/arm/t-wince-pe: Likewise.
5832 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5834 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5837 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5840 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5843 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5846 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5847 as a valid 80387 constant.
5848 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5849 * config/i386/i386.md (unnamed splitter): Split the load of
5850 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5853 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5855 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5856 from the soft-frame, argument and virtual registers.
5858 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5860 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5861 patterns for standard 80387 constants.
5863 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5864 Steven Bosscher <steven@gcc.gnu.org>
5866 * fwprop.c: New file.
5867 * Makefile.in: Add fwprop.o.
5868 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5869 * passes.c (init_optimization_passes): Schedule forward propagation.
5870 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5872 * timevar.def (TV_FWPROP): New.
5873 * common.opt (-fforward-propagate): New.
5874 * opts.c (decode_options): Enable forward propagation at -O2.
5875 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5876 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5877 canon_for_address, table_size): Remove.
5878 (new_basic_block, insert, remove_from_table): Remove references to
5880 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5881 simplification loop more straightforward by not calling fold_rtx
5883 (equiv_constant): Move here a small part of fold_rtx_subreg,
5884 do not call fold_rtx. Call avoid_constant_pool_reference
5886 * recog.h (canonicalize_change_group): New.
5888 * doc/invoke.texi (Optimization Options): Document fwprop.
5889 * doc/passes.texi (RTL passes): Document fwprop.
5891 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5893 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5894 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5895 (grokdeclarator): Likewise.
5897 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5899 * tree-dump.c (dump_enable_all): Rename local variable
5900 ir_type to avoid name conflicts.
5901 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5902 instead of using ir_type().
5903 * profile.c (tree_register_profile_hooks): Likewise.
5904 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5905 * basic-block.h (struct edge_def): Likewise.
5906 * config/arm/arm.c (legitimize_pic_address): Likewise.
5907 * coretypes.h (ir_type): New enum of all intermediate languages
5909 * cfghooks.c (ir_type): Rename to...
5910 (current_ir_type): ...this. Distinguish between cfgrtl and
5911 cfglayout mode when the current IR is RTL. Return enum ir_type.
5912 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5914 2006-11-03 Paul Brook <paul@codesourcery.com>
5916 * config/arm/arm.c (arm_file_start): New function.
5917 (TARGET_ASM_FILE_START): Define.
5918 (arm_default_cpu): New variable.
5919 (arm_override_options): Set arm_default_cpu.
5921 2006-11-03 David Ung <davidu@mips.com>
5923 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5924 PROCESSOR_24KC and PROCESSOR_24KF.
5925 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5926 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5927 (mips_rtx_cost_data): Add costs for the 24kc.
5928 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5929 * config/mips/24k.md: Remove references to 24k and replace with
5930 uses of 24kc/24kf in the appropriate reservations.
5931 * doc/invoke.texi (MIPS Options): Updated.
5933 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5935 * config/sh/crt1.asm: Fix #ifdef indent.
5937 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5938 Merged from STMicroelectronics sources:
5939 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5940 * config/sh/crt1.asm (vbr_600): Add missing #if.
5941 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5942 * sh.opt (mfused-madd): New option.
5943 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5944 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5945 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5946 Remove pointless handler at VBR+0.
5947 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5948 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5949 fr7. Make sure the timer handler is called with the correct FPU
5950 precision setting, according to the ABI.
5951 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5952 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5953 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5954 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5955 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5956 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5957 zero as second operand.
5958 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5959 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5960 Fixed some bugs related to negative values, in particular -0
5961 and overflow at -0x80000000.
5962 * config/sh/divcost-analysis: Added sh4-300 figures.
5963 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5964 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5965 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5966 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5967 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5968 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5970 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5972 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5973 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5974 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5975 mac_mem, mem_mac, dfp_mul, fp_cmp.
5976 (insn_class, dfp_comp, any_fp_comp): Update.
5977 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5978 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5979 (muldf3_i): Likewise.
5980 (movsi_i): Split rI08 alternative into two separate alternatives.
5982 (movsi_ie, movsi_i_lowpart): Likewise.
5983 (movqi_i): Split ri alternative into two separate alternatives.
5985 * sh1.md (sh1_load_store, sh1_fp): Update.
5986 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5987 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5988 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5989 (sh4a_fp_double_arith): Likewise.
5990 * sh4-300.md: New file.
5991 * sh.c (sh_handle_option): Handle m4-300* options.
5992 (sh_adjust_cost): Fix latency of auto-increments.
5993 Handle SH4-300 differently than other SH4s. Check for new insn types.
5994 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5995 been set by an option.
5996 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5997 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5998 (mbranch-cost=): Likewise.
5999 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6001 * sh.md (mulsf3): Remove special expansion code.
6002 (mulsf3_ie): Now a define_insn_and_split.
6003 (macsf3): Allow for TARGET_SH4.
6005 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6006 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6007 (expand_cbranchdi4): Likewise.
6008 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6009 CONST_DOUBLE if the outer code is COMPARE.
6010 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6011 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6012 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6013 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6014 Remove redundant fp_{zero,one}_operand checks.
6015 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6016 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6017 (expand_cbranchdi4): Likewise.
6018 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6019 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6021 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6023 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6026 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6028 * doc/invoke.texi: Fix mfp-trap-mode typo.
6030 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6032 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6033 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6034 file_end_indicate_exec_stack.
6035 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6037 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6038 for a non-executable stack.
6039 * crti.asm: Likewise.
6040 * crtn.asm: Likewise.
6041 * libunwind.S: Likewise.
6043 2006-11-02 Ben Elliston <bje@au.ibm.com>
6045 * tree-ssa.c (warn_uninit): Use expand_location variables for
6046 locus and declaration locus.
6048 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6051 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6052 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6053 cmp{eq,gt,gtu}{si,di}_media.
6054 (*cmpne0si_media): Remove.
6055 (*movsicc_umin): Adjust gen_cmp*_media call.
6056 (unordered): Change the mode of unordered and operands[1] to
6058 (seq): Adjust gen_cmp*_media calls. Make the mode of
6059 a temporary result of compare SImode if needed. If the mode
6060 of operands[0] is DImode, extend the temporary result to DImode.
6061 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6062 (sunorderd): Change the mode of match_operand and unorderd to
6064 (cmpeq{sf,df}_media): Remove.
6065 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6066 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6067 and compare operation to SImode.
6069 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6071 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6073 (sparc64-sun-solaris2*): Likewise.
6075 2006-11-02 Paul Brook <paul@codesourcery.com>
6077 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6078 from priority argument. Use different section for non-default
6080 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6082 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6085 * except.c (switch_to_exception_section): Do not cache the section
6086 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6087 and flag_function_sections is set.
6089 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6092 * builtins.c (do_mpfr_sincos): New.
6093 (fold_builtin_1): Use it to fold builtin sincos.
6095 2006-11-01 Roger Sayle <roger@eyesopen.com>
6097 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6098 it into -D_REENTRANT.
6100 2006-11-01 Roger Sayle <roger@eyesopen.com>
6102 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6103 whether the assembler supports taking the difference of symbols in
6104 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6105 * configure: Regenerate.
6106 * config.in: Regenerate.
6107 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6108 the assembler doesn't support taking the difference of symbols in
6109 different sections, i.e. we're using the native solaris assembler.
6111 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6112 Peter Bergner <bergner@vnet.ibm.com>
6114 * doc/invoke.texi: Add cpu_type power6x
6115 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6116 * config.gcc: Add cpu_type power6x.
6117 * configure.ac: Add test for mf{t,f}gpr instructions.
6118 (HAVE_AS_MFPGPR): New.
6119 * config.in: Regenerate.
6120 * configure: Regenerate.
6121 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6122 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6123 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6124 and mftgpr attributes.
6125 (define_attr "cpu"): Add power6.
6126 Change instruction sequences to use new attributes.
6127 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6128 (fix_truncdfsi2_mfpgpr): New.
6129 (floatsidf_ppc64_mfpgpr): New.
6130 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6131 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6132 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6133 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6134 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6135 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6136 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6137 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6138 cntlz,exts and var_delayed_compare.
6139 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6140 _ARCH_PWR6X, if features enabled.
6141 * config/rs6000/rs6000.opt (mmfpgpr): New.
6142 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6143 (cached_can_issue_more): New variable.
6144 (processor_costs): Add power6_cost.
6145 (rs6000_sched_init): New function.
6146 (is_dispatch_slot_restricted): Deleted.
6147 (set_to_load_agen): New function.
6148 (is_load_insn,is_store_insn): New functions.
6149 (adjacent_mem_locations): New function.
6150 (insn_must_be_first_in_group): New function.
6151 (insn_must_be_last_in_group): New function.
6152 (rs6000_sched_reorder): New function.
6153 (rs6000_sched_reorder2): New function.
6154 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6155 TARGET_SCHED_REORDER2): Define.
6156 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6157 Add power6x. Add MASK_MFPGPR for power6x.
6158 (POWERPC_MASKS): Add MASK_MFPGPR.
6159 (rs6000_override_options): Set rs6000_always_hint to false
6160 for power6. Set rs6000_align_branch_targets. Replace
6161 rs6000_sched_groups check with rs6000_align_branch_targets.
6162 Use PROCESSOR_POWER6.
6163 (last_scheduled_insn): New variable.
6164 (load_store_pendulum): New variable.
6165 (rs6000_variable_issue): Set last_scheduled_insn and
6166 cached_can_issue_more.
6167 (rs6000_adjust_cost): Add power6 cost adjustments.
6168 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6169 with insn_must_be_first_in_group. Add power6 priority adjustments.
6170 (rs6000_issue_rate): Add CPU_POWER6.
6171 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6172 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6173 (TARGET_MFPGPR): New.
6174 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6175 (ASM_CPU_SPEC): Add power6x.
6176 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6178 * config/rs6000/power6.md: New file.
6180 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6182 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6183 HOST_WIDE_INT_PRINT to print high and low parts. Use
6184 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6185 printing a hexadecimal number prefix it with 0x.
6187 2006-11-01 Chris Johns <chris@contemporary.net.au>
6190 * Makefile.in (install-driver): Use exeext when installing
6191 $target-gcc-$version.
6193 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6195 * c-common.c (flag_cpp0x): New.
6196 * c-common.h (flag_cpp0x): New.
6197 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6198 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6199 * c-opts.c (set_std_cxx0x): New.
6200 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6201 * c.opt (std=c++0x): Document.
6202 (std=gnu++0x): Ditto.
6203 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6204 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6206 2006-11-01 Richard Guenther <rguenther@suse.de>
6208 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6210 (ix86_expand_floorceildf_32): Likewise.
6211 (ix86_expand_floorceil): Likewise.
6212 (ix86_expand_trunc): Likewise.
6214 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6216 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6219 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6221 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6223 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6225 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6227 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6228 * configure.ac (use_cxa_atexit): As a special case, don't test
6229 for libc definition of __cxa_atexit on mingw32
6230 * configure: Regenerate.
6231 * config.gcc (i[34567]86-pc-mingw32): Default to
6232 enable__cxa_atexit=yes.
6234 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6236 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6238 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6241 * c-decl.c (start_struct): Don't create self-containing
6243 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6245 * config/rs6000/rs6000-protos.h
6246 (darwin_rs6000_special_round_type_align): New.
6247 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6248 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6250 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6252 * toplev.c (compile_file): Call final_write_globals
6253 even if there have been errors.
6255 2006-10-31 Eric Christopher <echristo@apple.com>
6256 Falk Hueffner <falk@debian.org>
6258 * doc/extend.texi (__builtin_bswap32): Document.
6259 (__builtin_bswap64): Ditto.
6260 * doc/libgcc.texi (bswapsi2): Document.
6262 * doc/rtl.texi (bswap): Document.
6263 * optabs.c (expand_unop): Don't widen a bswap.
6264 (init_optabs): Init bswap. Set libfuncs explicitly
6265 for bswapsi2 and bswapdi2.
6266 * optabs.h (OTI_bswap): New.
6267 (bswap_optab): Ditto.
6268 * genopinit.c (optabs): Handle bswap_optab.
6269 * tree.h (tree_index): Add TI_UINT32_TYPE and
6271 (uint32_type_node): New.
6272 (uint64_type_node): Ditto.
6273 * tree.c (build_common_tree_nodes_2): Initialize
6274 uint32_type_node and uint64_type_node.
6275 * builtins.c (expand_builtin_bswap): New.
6276 (expand_builtin): Call.
6277 (fold_builtin_bswap): New.
6278 (fold_builtin_1): Call.
6279 * fold-const.c (tree_expr_nonnegative_p): Return true
6281 * builtin-types.def (BT_UINT32): New.
6283 (BT_FN_UINT32_UINT32): Ditto.
6284 (BT_FN_UINT64_UINT64): Ditto.
6285 * builtins.def (BUILT_IN_BSWAP32): New.
6286 (BUILT_IN_BSWAP64): Ditto.
6287 * rtl.def (BSWAP): New.
6288 * genattrtab.c (check_attr_value): New.
6289 * libgcc2.c (__bswapSI2): New.
6290 (__bswapDI2): Ditto.
6291 * libgcc2.h (__bswapSI2): Declare.
6292 (__bswapDI2): Ditto.
6293 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6294 * simplify-rtx.c (simplify_const_unary_operation): Return
6296 * libgcc-std.ver (__bwapsi2): Add.
6297 (__bswapdi2): Ditto.
6298 * reload1.c (eliminate_regs_1): Add bswap.
6299 (elimination_effects): Ditto.
6300 * config/i386/i386.h (x86_bswap): New.
6301 (TARGET_BSWAP): Use.
6302 * config/i386/i386.c (x86_bswap): Set.
6304 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6306 * coverage.c (coverage_checksum_string): Update comment.
6307 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6308 of get_file_function_name.
6309 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6310 of get_file_function_name_long.
6311 * tree.c (get_file_function_name): Rename from
6312 get_file_function_name_long; improve comment; handle 'I' and 'D'
6313 specially when the target has ctor/dtor support; remove special
6315 (get_file_function_name): Remove.
6316 * tree.h (get_file_function_name): Rename from
6317 get_file_function_name_long.
6318 (get_file_function_name): Remove prototype.
6320 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6322 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6323 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6325 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6326 Call dsymutil when compiling and linking one or more source files
6329 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6332 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6334 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6336 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6337 inline static functions in c99 mode.
6340 * doc/extend.texi (Inline): Update.
6341 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6342 * c-decl.c (current_extern_inline): Delete.
6343 (pop_scope): Adjust test for an undefined nested function.
6344 Add warning about undeclared inline function.
6345 (diagnose_mismatched_decls): Update comments. Disallow overriding
6346 of inline functions in a translation unit in C99. Allow inline
6347 declarations in C99 at any time.
6348 (merge_decls): Boolize variables. Handle C99 'extern inline'
6350 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6351 C99 inline semantics.
6352 (start_function): Don't clear current_extern_inline. Don't set
6354 (c_push_function_context): Don't push current_extern_inline.
6355 (c_pop_function_context): Don't restore current_extern_inline.
6358 * c-typeck.c (build_external_ref): Warn about static variables
6359 used in extern inline functions.
6360 * c-decl.c (start_decl): Warn about static variables declared
6361 in extern inline functions.
6363 2006-10-31 Roger Sayle <roger@eyesopen.com>
6366 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6367 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6368 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6369 or y is an even integer.
6371 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6374 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6375 * gthr-posix95.h (__gthread_active_p): Likewise.
6377 2006-10-31 Richard Guenther <rguenther@suse.de>
6379 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6380 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6381 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6382 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6383 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6384 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6385 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6386 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6389 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6391 * opts.c (decode_options): Disable CSE skip blocks.
6393 2006-10-30 Dirk Mueller <dmueller@suse.de>
6395 * c-common.h (strict_aliasing_warning): Fix whitespace.
6396 * c-decl (start_function): Move code for main decl warning ..
6397 * c-common.c (check_main_parameter_types): .. here.
6398 * c-common.h (check_main_parameter_types): Declare.
6400 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6403 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6405 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6407 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6408 be a PARALLEL containing sets. Return false when out_pat is not
6411 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6413 * config/mips/mips.md (mul<mode>3): Split into...
6414 (mulsi3, muldi3): ...these separate patterns.
6416 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6418 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6419 but with each set of options separated by spaces.
6421 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6423 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6424 dwarf_reg_size_table has been initialized.
6426 2006-10-30 Roger Sayle <roger@eyesopen.com>
6428 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6429 * ddg.c (print_ddg_edge): Likewise.
6430 * dwarf2out.c (prune_unused_types_walk): Likewise.
6431 * ifcvt.c (noce_try_cmove_arith): Likewise.
6432 * langhooks.c (add_builtin_function): Likewise.
6433 * reg-stack.c (subst_stack_regs_pat): Likewise.
6434 * tree.c (expanded_location): Likewise.
6435 * tree-dump.c (dequeue_and_dump): Likewise.
6437 2006-10-30 David Daney <ddaney@avtrex.com>
6439 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6441 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6443 PR tree-optimization/29637
6444 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6445 of the innertype is the innertype itself.
6447 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6449 * dwarf2out.c (file_name_acquire): Correct typo.
6451 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6453 * tree.h (tree_value_handle): Remove struct value_set declaration.
6454 Change value_set to bitmap_set.
6455 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6456 * tree-vn.c (get_value_handle): Made inline and moved to
6458 * tree-flow-inline.h: (has_stmt_ann): New function.
6459 * tree-ssa-pre.c (expressions): New variable.
6460 (next_expression_id): Ditto.
6461 (alloc_expression_id): New function.
6462 (struct value_set): Remove.
6463 (get_expression_id): New function.
6464 (get_or_alloc_expression_id): Ditto.
6465 (expression_for_id): Ditto.
6466 (clear_expression_ids): Ditto.
6467 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6468 (bb_value_sets): Renamed to bb_bitmap_sets.
6469 All value sets replaced with bitmap_sets.
6471 (BB_VISITED): New macro.
6472 (postorder): New variable.
6473 (add_to_value): Removed.
6474 (value_exists_in_set_bitmap): Ditto.
6475 (value_insert_into_set_bitmap): Ditto.
6478 (set_remove): Ditto.
6479 (set_contains_value): Ditto.
6480 (insert_into_set): Ditto.
6482 (find_leader): Ditto.
6483 (bitmap_set_subtract_from_value_set): Ditto.
6484 (value_insert_into_set): Ditto.
6485 (print_value_set): Ditto.
6486 (debug_value_set): Ditto.
6487 (constant_expr_p): New function.
6488 (bitmap_remove_from_set): Ditto.
6489 (bitmap_insert_into_set): Ditto.
6490 (bitmap_set_free): Ditto.
6491 (vh_compare): Ditto.
6492 (sorted_array_from_bitmap_set): Ditto.
6493 (bitmap_set_subtract): Ditto.
6494 (bitmap_set_equal): Ditto.
6495 (debug_bitmap_set): Ditto.
6496 (find_leader_in_sets): Ditto.
6497 (bitmap_set_replace_value): Modify for bitmapped sets.
6498 (phi_translate): Ditto.
6499 (phi_translate_set): Ditto.
6500 (bitmap_find_leader): Ditto.
6501 (valid_in_sets): Ditto.
6502 (union_contains_value): Ditto.
6504 (compute_antic_aux): Ditto. Mark changed blocks.
6505 (compute_antic): Ditto. Iterate in postorder and only over
6507 (compute_rvuse_and_antic_safe): Reuse postorder.
6508 (create_component_ref_by_pieces): Modify for bitmapped sets.
6509 (find_or_generate_expression): Ditto.
6510 (create_expression_by_pieces): Ditto.
6511 (insert_into_preds_of_block): Ditto.
6512 (changed_blocks): New variable.
6513 (do_regular_insertion): Broken out from insert_aux.
6514 (insert_aux): Modified for bitmapped sets.
6515 (find_existing_value_expr): New function.
6516 (create_value_expr_from): Use it.
6517 (insert_extra_phis): Removed.
6518 (print_bitmap_set): Renamed from bitmap_print_value_set.
6519 (compute_avail): Handle RETURN_EXPR.
6520 (init_pre): Modify for bitmapped sets.
6521 * tree-flow.h (has_stmt_ann): New function.
6523 2006-10-29 Roger Sayle <roger@eyesopen.com>
6525 * builtins.c (fold_builtin_floor): Check for the availability of
6526 the C99 trunc function before transforming floor into trunc.
6528 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6530 * builtins.c (fold_builtin_hypot): Rearrange recursive
6531 transformation before others, and also do ABS_EXPR. When
6532 necessary, check flag_unsafe_math_optimizations. When necessary,
6535 2006-10-29 Roger Sayle <roger@eyesopen.com>
6537 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6538 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6539 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6540 Fold -X eq/ne -Y as X eq/ne Y.
6542 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6544 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6545 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6546 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6547 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6548 Use an inclusive test for "mult" rather than "mul".
6549 (rotr<mode>3): Depend on ISA_HAS_ROR.
6550 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6552 (GENERATE_MULT3_DI): Delete.
6553 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6554 (ISA_HAS_MUL3): New macro.
6555 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6556 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6557 (ISA_HAS_CLZ_CLO): Likewise.
6558 (ISA_HAS_DCLZ_DCLO): Delete.
6559 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6560 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6561 the VR4120 and VR4130.
6562 (ISA_HAS_MACCHI): Use consistent formatting.
6563 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6564 (ISA_HAS_ROR): ...this new macro.
6565 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6566 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6567 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6569 2006-10-29 Roger Sayle <roger@eyesopen.com>
6571 PR tree-optimization/15458
6572 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6575 2006-10-29 Richard Guenther <rguenther@suse.de>
6577 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6578 (ix86_expand_truncdf_32): Likewise.
6579 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6580 trunc inline for SSE math and -fno-trapping-math and if not
6581 optimizing for size.
6582 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6583 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6584 for expanding btrunc inline for SSE math.
6586 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6588 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6589 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6590 i[34567]86-*-solaris2.1[0-9]*.
6591 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6592 Define conditionally depending on TARGET_64BIT_DEFAULT.
6593 (SPEC_32, SPEC_64): Define.
6594 (LINK_SPEC): Use them.
6595 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6597 2006-10-29 Richard Guenther <rguenther@suse.de>
6599 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6600 (ix86_expand_rounddf_32): Likewise.
6601 * config/i386/i386.c (ix86_expand_round): New function expanding
6602 round inline for SSE math and -fno-trapping-math and if not
6603 optimizing for size.
6604 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6605 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6606 round via ix86_expand_round.
6608 2006-10-29 Richard Guenther <rguenther@suse.de>
6610 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6611 (ix86_expand_floorceildf_32): Likewise.
6612 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6613 static helper function.
6614 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6616 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6617 * config/i386/i386.md (floordf2): Adjust to enable floor
6618 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6619 -fno-trapping-math is enabled and if not optimizing for size.
6620 (floorsf2, ceildf2, ceilsf2): Likewise.
6621 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6622 (sse2_maskcmpdf3): Likewise.
6624 2006-10-29 Richard Guenther <rguenther@suse.de>
6626 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6627 rint in case -fno-trapping-math is enabled.
6628 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6629 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6630 (ix86_expand_sse_fabs): Likewise.
6631 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6632 * config/i386/i386.md (rintdf2): Enable for SSE math if
6633 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6634 (rintsf2): Likewise.
6636 2006-10-29 Richard Guenther <rguenther@suse.de>
6638 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6639 to conversion optabs.
6640 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6641 as conversion optab.
6642 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6643 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6644 (lfloor_optab, lceil_optab): Adjust defines.
6645 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6646 lfloor and lceil optabs now being conversion optabs.
6647 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6648 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6649 New static helper function.
6650 (ix86_expand_lfloorceil): New function to expand lfloor and
6652 * config/i386/i386.md (lfloor<mode>2): Split into ...
6653 (lfloorxf<mode>2): ... x87 variant
6654 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6655 using ix86_expand_lfloorceil.
6656 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6658 * doc/md.texi (lfloorMN, lceilMN): Document.
6660 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6662 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6663 -mno-shared assembler option on mips targets.
6664 * configure, config.in: Regenerate.
6665 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6666 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6667 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6669 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6671 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6672 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6674 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6676 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6677 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6680 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6683 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6684 (fold_builtin_pow): Evaluate constant arguments at compile-time
6686 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6687 (do_mpfr_ckconv): New helper function.
6688 (do_mpfr_arg1): Use do_mpfr_ckconv.
6689 (do_mpfr_arg2): New.
6691 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6694 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6695 (-fdump-rtl-sched): Rename to ..
6696 (-fdump-rtl-sched1): here. Also fix file extension number.
6698 2006-10-28 Richard Guenther <rguenther@suse.de>
6700 * fold-const.c (maybe_canonicalize_comparison): Fix code
6703 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6705 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6706 (NON_QI_REG_P): Use IN_RANGE.
6707 (REX_INT_REGNO_P): Use IN_RANGE.
6708 (FP_REGNO_P): Use IN_RANGE.
6709 (SSE_REGNO_P): Use IN_RANGE.
6710 (REX_SSE_REGNO_P): Use IN_RANGE.
6711 (MMX_REGNO_P): Use IN_RANGE.
6712 (STACK_REGNO_P): New macro.
6713 (STACK_REG_P): Use STACK_REGNO_P.
6714 (NON_STACK_REG_P): Use STACK_REGNO_P.
6715 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6716 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6717 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6718 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6719 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6721 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6723 * except.h (output_function_exception_table): Add 'const char*' param.
6724 * except.c (switch_to_exception_section): Add 'const char*' param.
6725 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6726 and flag_function_sections is set, use a function-specific section.
6727 (output_function_exception_table): Add 'const char*' param.
6728 Adjust call to switch_to_exception_section.
6729 * final.c (rest_of_handle_final): Adjust calls to
6730 output_function_exception_table.
6731 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6732 * config.in: Regenerate.
6733 * configure: Likewise.
6735 2006-10-28 Richard Guenther <rguenther@suse.de>
6738 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6739 for maybe_canonicalize_comparison.
6740 (maybe_canonicalize_comparison): New function for canonicalizing
6742 (fold_comparison): Call it to canonicalize comparisons with
6745 2006-10-28 Richard Guenther <rguenther@suse.de>
6748 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6749 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6750 (expand_builtin): Adjust likewise.
6751 * genopinit.c (optabs[]): Add lround optab.
6752 * optabs.c (init_optabs): Initialize lround_optab.
6753 * optabs.h (enum convert_optab_index): Add COI_lround.
6754 (lround_optab): Define.
6755 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6756 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6758 (ix86_expand_lround): New function.
6759 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6761 * doc/md.texi (lroundMN2): Document.
6763 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6766 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6767 argument to HOST_WIDE_INT. Update function prototype.
6768 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6769 "size" argument to HOST_WIDE_INT. Update function prototype.
6771 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6773 * config/i386/i386.c (output_387_ffreep): Create output from a
6774 template string for !HAVE_AS_IX86_FFREEP.
6776 2006-10-27 Eric Christopher <echristo@apple.com>
6778 * config/darwin.c: Fix formatting and grammar.
6780 2006-10-27 Jan Hubicka <jh@suse.cz>
6782 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6783 to be thrown away soon when IGNORE is set.
6784 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6785 indicating when return value shall not be computed.
6786 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6788 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6790 * config/i386/i386.h (TARGET_GEODE):
6791 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6792 (TARGET_CPU_DEFAULT_geode): New macro.
6793 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6794 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6795 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6796 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6797 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6799 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6800 (processor_type): Add PROCESSOR_GEODE.
6802 * config/i386/i386.md: Include geode.md.
6805 * config/i386/i386.c (geode_cost): New initialized global
6807 (m_GEODE, m_K6_GEODE): New macros.
6808 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6809 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6810 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6811 x86_schedule): Use m_K6_GEODE instead of m_K6.
6812 (x86_movx, x86_cmove): Set up m_GEODE.
6813 (x86_integer_DFmode_moves): Clear m_GEODE.
6814 (processor_target_table): Add entry for geode.
6815 (processor_alias_table): Ditto.
6817 * config/i386/geode.md: New file.
6819 * doc/invoke.texi: Add entry about geode processor.
6821 2006-10-27 Mike Stump <mrs@apple.com>
6823 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6824 __DYNAMIC__ from here back to ...
6825 * config/darwin.h (CPP_SPEC): ... here.
6827 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6828 Nathan Sidwell <nathan@codesourcery.com>
6830 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6831 when choosing the minimum heapsize.
6833 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6835 * gcc/unwind-dw2.h: Move cfa-related variables into
6836 struct frame_state_reg_info to ensure that the CFA is properly
6837 handled when executing DW_CFA_{remember,restore}_state.
6838 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6839 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6840 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6841 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6842 gcc/config/rs6000/linux-unwind.h,
6843 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6844 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6845 Modify to use new cfa_* fields.
6847 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6849 * config/s390/s390.c (s390_init_frame_layout): Check positive
6852 2006-10-26 Ben Elliston <bje@au.ibm.com>
6854 * gimplify.c (get_name): Remove extraneous break.
6855 (gimplify_omp_for): Initialise ret with GS_OK.
6857 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6859 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6860 Add unix98.o to link line.
6862 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6865 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6866 Calculate compile-time constants using MPFR.
6867 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6868 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6870 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6872 * config/xtensa/lib2funcs.S: Use C-style comments.
6874 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6876 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6877 (file_table_relative_p): Likewise.
6878 (dwarf2out_finish): Likewise.
6879 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6881 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6883 * tree-ssa-structalias.c (intra_create_variable_infos):
6884 Don't recreate nonlocal_all if it already exists.
6886 2006-10-25 Richard Guenther <rguenther@suse.de>
6889 * optabs.h (enum optab_index): Remove OTI_lrint.
6890 (enum convert_optab_index): Add COI_lrint.
6891 (lrint_optab): Adjust.
6892 (expand_sfix_optab): Declare.
6893 * optabs.c (expand_sfix_optab): New function.
6894 (init_optabs): Init lrint_optab as conversion optab.
6895 * genopinit.c (lrint_optab): Change to a conversion optab.
6896 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6897 expansion via conversion optab.
6898 * config/i386/i386.md (*fistdi2_1): Remove
6899 flag_unsafe_math_optimizations guard.
6900 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6901 fist<mode>2_with_temp): Likewise.
6902 (lrint<mode>2): Split into...
6903 (lrintxf<mode>2): ... x87 part
6904 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6905 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6906 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6907 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6908 * doc/md.texi (lrintMN2): Document.
6910 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6913 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6914 Use inc and dec instructions for TARGET_USE_INCDEC.
6915 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6916 ("sync_double_compare_and_swap<mode>"): Likewise.
6917 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6918 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6919 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6920 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6921 ("sync_old_add<mode>"): Likewise.
6922 ("sync_lock_test_and_set<mode>"): Likewise.
6923 ("sync_lock_test_and_set<mode>"): Likewise.
6924 ("sync_add<mode>"): Likewise.
6925 ("sync_sub<mode>"): Likewise.
6926 ("sync_ior<mode>"): Likewise.
6927 ("sync_and<mode>"): Likewise.
6928 ("sync_xor<mode>"): Likewise.
6930 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6932 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6933 (remainder_optab): Define corresponding macro.
6934 (drem_optab): Remove.
6935 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6936 drem_optab initialization.
6937 * genopinit.c (optabs): Implement remainder_optab using
6938 remainder?f3 patterns. Remove drem_optab.
6939 * builtins.c (expand_builtin_mathfn_2): Handle
6940 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6941 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6942 expand_builtin_mathfn_2.
6944 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6945 depend on flag_unsafe_math_optimizations.
6947 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6948 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6949 Do not depend on flag_unsafe_math_optimizations. Use
6950 truncxf?f expander instead of truncxf?f_i387_noop.
6952 ("fpremxf4", "fprem1xf4"): Do not depend on
6953 flag_unsafe_math_optimizations.
6954 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6955 flag_unsafe_math_optimizations. Use truncxf?f expander
6956 instead of truncxf?f_i387_noop.
6958 * doc/md.texi (fmod, remainder): Document standard named pattern.
6960 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6961 David Daney <ddaney@avtrex.com>
6964 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6966 2006-10-25 Ben Elliston <bje@au.ibm.com>
6968 * doc/extend.texi (Variable Attributes): Typo fix.
6970 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6972 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6973 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6974 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6975 (FRAME_POINTER_REGNUM): Update register number to 21.
6976 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6977 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6979 * config/i386/i386.c (regclass_map): Add fpcr entry.
6980 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6982 (print_reg): Assert REGNO (x) != FPCR_REG.
6984 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6985 (DIRFLAG_REG): Renumber.
6986 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6987 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6988 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6989 hardcoded SSE register numbers.
6991 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6992 hardcoded MMX register numbers.
6994 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6997 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6998 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7000 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7001 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7002 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7003 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7005 2006-10-24 Richard Guenther <rguenther@suse.de>
7008 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7009 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7010 for deciding optimizations in consistency with fold-const.c
7011 (fold_builtin_unordered_cmp): Likewise.
7013 2006-10-24 Richard Guenther <rguenther@suse.de>
7015 * builtins.c (fold_builtin_floor): Fold floor (x) where
7016 x is nonnegative to trunc (x).
7017 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7018 nonnegative to FIX_TRUNC_EXPR.
7020 2006-10-24 Richard Guenther <rguenther@suse.de>
7022 PR tree-optimization/29567
7023 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7024 for TRUTH_NOT_EXPR. Clarify comments.
7026 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7029 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7030 at compile-time using MPFR. Change parameter VALUE to FUNC,
7032 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7033 for overflow and underflow at all times and avoid folding in
7036 2006-10-24 Ben Elliston <bje@au.ibm.com>
7038 * reload1.c: Formatting fixes.
7040 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7042 PR tree-optimization/14784
7043 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7044 * tree-ssa-structalias.c (get_constraint_for,
7045 intra_create_variable_infos): Set is_heapvar.
7046 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7047 non-heapvar pointer variables specially.
7049 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7052 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7053 fold_builtin_tan): Fold all constant arguments. Take a "type"
7054 argument as necessary.
7055 (do_mpfr_arg1): New.
7056 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7058 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7060 * config/xtensa/lib1funcs.asm: Use C-style comments.
7062 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7064 * tree.c (local_define_builtin): Replace calls to
7065 lang_hooks.builtin_function with add_builtin_function.
7066 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7068 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7070 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7071 common code to add_builtin_function.
7072 * langhooks.c (add_builtin_function): New function.
7073 (lhd_builtin_function): New function.
7074 * langhooks.h (struct lang_hooks): Change the signature of
7076 (add_builtin_function): New function.
7077 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7078 calls to lang_hooks.builtin_function with add_builtin_function.
7079 * c-common.c (decl_builtin_1): Replace calls to
7080 lang_hooks.builtin_function with add_builtin_function.
7081 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7082 lang_hooks.builtin_function with add_builtin_function.
7083 * config/frv/frv.c (def_builtin): Replace calls to
7084 lang_hooks.builtin_function with add_builtin_function.
7085 * config/s390/s390.c (s390_init_builtins): Replace calls to
7086 lang_hooks.builtin_function with add_builtin_function.
7087 * config/sparc/sparc.c (def_builtin): Replace calls to
7088 lang_hooks.builtin_function with add_builtin_function.
7089 * config/i386/i386.c (def_builtin): Replace calls to
7090 lang_hooks.builtin_function with add_builtin_function.
7091 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7092 lang_hooks.builtin_function with add_builtin_function.
7093 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7094 lang_hooks.builtin_function with add_builtin_function.
7095 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7096 Replace calls to lang_hooks.builtin_function with
7097 add_builtin_function.
7098 * config/iq2000/iq2000.c (def_builtin):
7099 Replace calls to lang_hooks.builtin_function with
7100 add_builtin_function.
7101 * config/ia64/ia64.c (def_builtin): Replace calls to
7102 lang_hooks.builtin_function with add_builtin_function.
7103 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7104 lang_hooks.builtin_function with add_builtin_function.
7105 (altivec_init_builtins): Replace calls to
7106 lang_hooks.builtin_function with add_builtin_function.
7107 * config/arm/arm.c (def_mbuiltin): Replace calls to
7108 lang_hooks.builtin_function with add_builtin_function.
7109 (arm_init_tls_builtins): Replace calls to
7110 lang_hooks.builtin_function with add_builtin_function.
7111 * config/mips/mips.c (mips_init_builtins): Replace calls to
7112 lang_hooks.builtin_function with add_builtin_function.
7113 * config/bfin/bfin.c (def_builtin): Replace calls to
7114 lang_hooks.builtin_function with add_builtin_function.
7115 * langhooks-def.h (lhd_builtin_function): New function.
7116 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7118 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7120 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7121 BUILT_IN_STRNCAT_CHK.
7123 2006-10-23 Jan Hubicka <jh@suse.cz>
7125 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7126 don't do conversion from memmove to memcpy here.
7127 (expand_builtin_bcopy, expand_builtin): Update call of
7128 expand_builtin_memmove.
7129 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7131 2006-10-23 Paul Brook <paul@codesourcery.com>
7133 * stor-layout.c (start_record_layout): maximum_field_alignment
7134 overrides STRUCTURE_SIZE_BOUNDARY.
7136 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7138 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7139 nonlocal function symbols if flag_pic.
7141 2006-10-23 Richard Guenther <rguenther@suse.de>
7145 * builtins.c (fold_binary): Remove checks for flag_wrapv
7146 and flag_trapv where negate_expr_p covers these cases.
7148 2006-10-23 Richard Guenther <rguenther@suse.de>
7151 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7152 of two on the absolute value.
7153 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7154 and negating -C does not overflow.
7156 2006-10-23 Richard Guenther <rguenther@suse.de>
7159 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7160 only if not flag_rounding_math.
7162 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7163 Kaz Kojima <kkojima@gcc.gnu.org>
7166 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7167 SImode memory reference for the source of a movua.
7168 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7169 (movua): Use an unspec instead of sign_extract. Expect the source
7170 to have mode BLKmode.
7171 (extv, insv): Use a BLKmode rather than SImode memory reference
7172 for the source of a movua.
7174 2006-10-22 Jeff Law <law@redhat.com>
7175 Richard Guenther <rguenther@suse.de>
7177 PR tree-optimization/15911
7178 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7179 (register_edge_assert_for_1): Likewise.
7180 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7181 (find_conditional_asserts): Adjust for new function signature.
7182 (find_assert_locations): Likewise.
7184 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7186 * config/i386/tmmintrin.h: Remove the duplicated content.
7188 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7190 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7191 (x86_64-*-*): Likewise.
7193 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7194 (override_options): Check SSSE3.
7195 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7196 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7197 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7198 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7199 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7200 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7201 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7202 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7203 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7204 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7205 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7206 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7207 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7208 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7209 IX86_BUILTIN_PABSD128.
7210 (bdesc_2arg): Add SSSE3.
7211 (bdesc_1arg): Likewise.
7212 (ix86_init_mmx_sse_builtins): Support SSSE3.
7213 (ix86_expand_builtin): Likewise.
7214 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7216 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7217 (UNSPEC_PSIGN): Likewise.
7218 (UNSPEC_PALIGNR): Likewise.
7219 Include mmx.md before sse.md.
7221 * config/i386/i386.opt: Add -mssse3.
7223 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7224 (ssse3_phaddwv4hi3): Likewise.
7225 (ssse3_phadddv4si3): Likewise.
7226 (ssse3_phadddv2si3): Likewise.
7227 (ssse3_phaddswv8hi3): Likewise.
7228 (ssse3_phaddswv4hi3): Likewise.
7229 (ssse3_phsubwv8hi3): Likewise.
7230 (ssse3_phsubwv4hi3): Likewise.
7231 (ssse3_phsubdv4si3): Likewise.
7232 (ssse3_phsubdv2si3): Likewise.
7233 (ssse3_phsubswv8hi3): Likewise.
7234 (ssse3_phsubswv4hi3): Likewise.
7235 (ssse3_pmaddubswv8hi3): Likewise.
7236 (ssse3_pmaddubswv4hi3): Likewise.
7237 (ssse3_pmulhrswv8hi3): Likewise.
7238 (ssse3_pmulhrswv4hi3): Likewise.
7239 (ssse3_pshufbv16qi3): Likewise.
7240 (ssse3_pshufbv8qi3): Likewise.
7241 (ssse3_psign<mode>3): Likewise.
7242 (ssse3_psign<mode>3): Likewise.
7243 (ssse3_palignrti): Likewise.
7244 (ssse3_palignrdi): Likewise.
7245 (abs<mode>2): Likewise.
7246 (abs<mode>2): Likewise.
7248 * config/i386/tmmintrin.h: New file.
7250 * doc/extend.texi: Document SSSE3 built-in functions.
7252 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7254 2006-10-22 Ira Rosen <irar@il.ibm.com>
7256 * tree-vect-transform.c (vectorizable_load): Use the type of the
7257 return value of the mask_for_load builtin to create realign_load
7260 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7262 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7265 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7267 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7268 (UNSPEC_LDDQU): This.
7269 * config/i386/sse.md (sse3_lddqu): Updated.
7271 2006-10-21 Richard Guenther <rguenther@suse.de>
7273 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7274 (expand_builtin): Use it to expand lrint instead of
7275 expand_builtin_mathfn.
7277 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7280 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7281 flag_unsafe_math_optimizations is set.
7283 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7286 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7287 patterns to use memory input operand in x87->mem->XMM
7288 reload sequences. Skip transformation for TARGET_K8.
7290 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7292 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7293 force operand1 to register if both operands are memory operands.
7294 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7295 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7296 if both operands are memory operands.
7297 (truncdfsf2): Do not force operand1 to register if both operands
7298 are memory operands.
7300 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7302 * Makefile.in (LIBS): Add $(GMPLIBS).
7303 * doc/install.texi: Update GMP and MPFR requirements.
7304 * doc/sourcebuild.texi (need_gmp): Delete.
7306 2006-10-21 Richard Guenther <rguenther@suse.de>
7308 PR tree-optimization/3511
7309 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7310 got new invariant arguments during PHI translation.
7312 2006-10-21 Richard Guenther <rguenther@suse.de>
7315 * fold-const.c (fold_comparison): Fold signed comparisons
7316 of the form X +- C1 CMP Y +- C2.
7318 2006-10-21 Richard Guenther <rguenther@suse.de>
7321 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7322 if flag_unsafe_math_optimizations is specified. We have
7323 flag_finite_math_only for that.
7324 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7325 or flag_unsafe_math_optimizations.
7327 2006-10-21 Richard Guenther <rguenther@suse.de>
7329 * builtins.c (fold_builtin_classify): Fix typo.
7331 2006-10-21 Richard Guenther <rguenther@suse.de>
7334 * simplify-rtx.c (simplify_const_relational_operation):
7335 Do not constant-fold ORDERED and UNORDERED for
7336 flag_unsafe_math_optimizations but only we do not need to
7337 honor NaNs for the given mode.
7339 2006-10-21 Richard Guenther <rguenther@suse.de>
7342 * config/i386/i386.c (classify_argument): Remove redundant
7343 walking of the BINFOs.
7344 (contains_128bit_aligned_vector_p): Likewise.
7346 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7348 * BASE-VER: Set to 4.3.0.
7350 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7352 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7353 (tree_decl_with_vis): Remove artificial_pta_var flag.
7354 * tree-flow.h (referenced_var_check_and_insert): Expose.
7355 (nonlocal_all): New prototype.
7356 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7357 (nonlocal_all): Make global.
7358 (nonlocal_lookup): Remove.
7359 (nonlocal_insert): Ditto.
7360 (create_nonlocal_var): Do not call nonlocal_insert.
7361 (get_nonlocal_id_for_type): Remove.
7362 (find_global_initializers): Mark new vars we find for renaming.
7363 (intra_create_variable_infos): Only create one nonlocal.
7364 (expand_nonlocal_solutions): Remove.
7365 (compute_points_to_sets): Don't call it.
7366 (ipa_pta_execute): Ditto.
7367 (init_alias_heapvars): Don't create nonlocal_for_type.
7368 (delete_alias_heapvars): Don't remove it.
7369 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7372 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7374 * doc/install.texi (Downloading GCC): Clarify mention of
7375 Fortran in the "full distribution" description.
7377 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7379 Fix PR tree-optimization/28778
7380 Fix PR tree-optimization/29156
7381 Fix PR tree-optimization/29415
7382 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7383 (tree_decl_with_vis): Add artificial_pta_var flag.
7384 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7385 pushed into callers.
7386 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7387 (nonlocal_all): Ditto.
7388 (struct variable_info): Add directly_dereferenced member.
7389 (var_escaped_vars): New variable.
7390 (escaped_vars_tree): Ditto.
7391 (escaped_vars_id): Ditto.
7392 (nonlocal_vars_id): Ditto.
7393 (new_var_info): Set directly_dereferenced.
7394 (graph_size): New variable
7395 (build_constraint_graph): Use graph_size.
7396 (solve_graph): Don't process constraints that cannot change the
7397 solution, don't try to propagate an empty solution to our
7399 (process_constraint): Set directly_dereferenced.
7400 (could_have_pointers): New function.
7401 (get_constraint_for_component_ref): Don't process STRING_CST.
7402 (nonlocal_lookup): New function.
7403 (nonlocal_insert): Ditto.
7404 (create_nonlocal_var): Ditto.
7405 (get_nonlocal_id_for_type): Ditto.
7406 (get_constraint_for): Allow results vector to be empty in the case
7407 of string constants.
7408 Handle results of calls properly.
7409 (update_alias_info): Update alias info stats on number and type of
7411 (find_func_aliases): Use could_have_pointers.
7412 (make_constraint_from_escaped): Renamed from
7413 make_constraint_to_anything, and changed to make constraints from
7415 (make_constraint_to_escaped): New function.
7416 (find_global_initializers): Ditto.
7417 (create_variable_info_for): Make constraint from escaped to any
7418 global variable, and from any global variable to the set of
7420 (intra_create_variable_infos): Deal with escaped instead of
7421 pointing to anything.
7422 (set_uids_in_ptset): Do type pruning on directly dereferenced
7424 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7425 (init_base_vars): Fix comment, and initialize escaped_vars.
7426 (need_to_solve): Removed.
7427 (find_escape_constraints): New function.
7428 (expand_nonlocal_solutions): Ditto.
7429 (compute_points_to_sets): Call find_escape_constraints and
7430 expand_nonlocal_solutions.
7431 (delete_points_to_sets): Don't fall off the end of the graph.
7432 (init_alias_heapvars): Initialize nonlocal_for_type and
7434 (delete_alias_heapvars): Free nonlocal_for_type and null out
7437 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7439 * fold-const.c (add_double): Rename to add_double_with_sign.
7440 Add 'unsigned_p' parameter and take it into account for the overflow.
7441 (mul_double): Rename to mul_double_with_sign.
7442 Add 'unsigned_p' parameter and take it into account for the overflow.
7443 (fold_div_compare): Call add_double_with_sign instead of add_double
7444 and mul_double_with_sign instead of mul_double, passing them the
7445 unsignedness of the type.
7446 * tree.h (add_double): Macroize.
7447 (add_double_with_sign): New prototype.
7448 (mul_double): Macroize.
7449 (mul_double_with_sign): New prototype.
7451 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7453 * config/score/crti.asm: New file.
7454 * config/score/crtn.asm: New file.
7455 * config/score/elf.h: New file.
7456 * config/score/mac.md: New file.
7457 * config/score/misc.md: New file.
7458 * config/score/mul-div.S: New file.
7459 * config/score/predicates.md: New file.
7460 * config/score/score7.md: New file.
7461 * config/score/score.c: New file.
7462 * config/score/score-conv.h: New file.
7463 * config/score/score.h: New file.
7464 * config/score/score.md: New file.
7465 * config/score/score-mdaux.c: New file.
7466 * config/score/score-mdaux.h: New file.
7467 * config/score/score-modes.def: New file.
7468 * config/score/score.opt: New file.
7469 * config/score/score-protos.h: New file.
7470 * config/score/score-version.h: New file.
7471 * config/score/t-score-elf: New file.
7472 * config.gcc: Add score*-*-* configurations(Update before).
7473 * doc/invoke.texi (Score Options): New section.
7474 * doc/md.texi (Score family): New section to document constraints.
7476 2006-10-19 Nick Clifton <nickc@redhat.com>
7478 * config/arm/arm.c: Fix spelling typo.
7480 2006-10-18 Tom Tromey <tromey@redhat.com>
7482 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7484 2006-10-18 Jan Hubicka <jh@suse.cz>
7487 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7490 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7492 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7493 TSI_SAME_STMT, since that's the desired entity.
7495 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7497 * config/s390/contraints.md: New file.
7498 * config/s390/s390-protos.h (s390_mem_constraint,
7499 s390_O_constraint_str, s390_N_constraint_str,
7500 s390_float_const_zero_p): Function prototypes added.
7501 * config/s390/s390.c (s390_extra_constraint_str,
7502 s390_const_double_ok_for_constraint_p,
7503 s390_const_ok_for_constraint_p): Functions removed.
7504 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7505 s390_float_const_zero_p): New functions.
7506 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7507 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7508 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7509 Macro definitions removed.
7510 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7511 s390_extra_constraint_str): Functions removed.
7513 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7514 Richard Sandiford <richard@codesourcery.com>
7517 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7518 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7520 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7522 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7523 (DWARF2_FRAME_REG_OUT): Likewise.
7524 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7525 (DWARF2_FRAME_REG_OUT): Likewise.
7527 2006-10-17 Paul Brook <paul@codesourcery.com>
7529 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7531 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7533 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7534 Standardize on "GNU Fortran" as the official name of the Fortran
7537 2006-10-16 Mike Stump <mrs@apple.com>
7539 * doc/invoke.texi (Darwin Options): Document -mkernel.
7540 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7542 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7543 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7544 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7545 (OS_MISSING_ALTIVEC): Add.
7546 * config/i386/i386.c (override_options): Add
7547 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7548 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7549 -mkernel, -static or -mdynamic-no-pic is given.
7550 (C_COMMON_OVERRIDE_OPTIONS): Add.
7551 * config/darwin.opt (fapple-kext): Add.
7553 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7554 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7556 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7557 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7558 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7559 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7560 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7561 (flag_mkernel): Add.
7562 (flag_apple_kext): Add.
7563 (TARGET_KEXTABI): Add.
7564 * config/darwin.c (darwin_handle_kext_attribute): Add.
7565 (DARWIN_VTABLE_P): Add.
7566 (darwin_binds_local_p): Add partial support for rebinding vtables
7568 (darwin_kextabi_p): Add.
7569 (darwin_override_options): Add.
7570 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7571 (darwin_kextabi_p): Add.
7572 (darwin_override_options): Add.
7573 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7574 __DYNAMIC__ and __STATIC__ here.
7576 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7578 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7579 Added mention of "make pdf" target, and Texinfo requirements for
7582 2006-10-16 DJ Delorie <dj@redhat.com>
7584 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7585 into the GOT in case we need a subreg of the address.
7587 2006-10-16 Richard Guenther <rguenther@suse.de>
7590 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7591 SSE builtin documentation. Document SSE2 builtins.
7593 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7595 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7596 symbol in the output file for non-shared links when -nostdlib or
7597 -nodefaultlibs isn't specified.
7599 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7600 posix thread support.
7602 2006-10-15 Jan Hubicka <jh@suse.cz>
7605 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7606 declared always_inline even when not inlining.
7608 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7609 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7610 Andrew Pinski <pinskia@gmail.com>
7613 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7615 2006-10-15 Jan Hubicka <jh@suse.cz>
7616 Richard Guenther <rguenther@suse.de>
7619 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7620 process_function_and_variable_attributes on all variables, including
7621 those discovered during cgraph construction phase.
7623 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7625 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7627 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7629 * config/i386/athlon.md (athlon_fist): Add fisttp.
7631 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7632 Ian Lance Taylor <ian@airs.com>
7635 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7636 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7639 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7641 * config/score/score.c, config/score/score.h: Fix comment
7644 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7647 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7650 2006-10-13 Eric Christopher <echristo@apple.com>
7652 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7654 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7657 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7658 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7659 alignment supported by 32-bit ELF.
7661 2006-10-13 Eric Christopher <echristo@apple.com>
7663 * config/darwin.c (darwin_emit_unwind_label): Strip
7664 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7666 2006-10-13 Richard Guenther <rguenther@suse.de>
7668 PR tree-optimization/29446
7669 * tree-vrp.c (fix_equivalence_set): Remove.
7670 (extract_range_from_assert): Do not call fix_equivalence_set.
7671 (debug_value_range): Print a newline.
7672 (compare_name_with_value): For equivalence sets with
7673 inconsistent value ranges conservatively bail out.
7674 (compare_names): Likewise.
7676 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7678 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7679 and MPFR for gfortran.
7681 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7683 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7684 alignment supported by 32-bit ELF.
7686 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7690 * c-typeck.c (digest_init): Always allow initializing vectors
7691 that have static storage duration with compound literals.
7692 * tree.c (build_type_attribute_qual_variant): New, based on
7693 build_type_attribute_variant.
7694 (build_type_attribute_variant): Rewrite using the former.
7695 (make_vector_type): Use build_type_attribute_qual_variant to build
7696 type variants. Use type_hash_canon on the others.
7698 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7699 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7701 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7703 2006-10-12 Jan Hubicka <jh@suse.cz>
7706 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7707 current_function_decl is set but current_function_scope is not.
7709 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7711 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7712 emit_insn to emit eh_return_internal instruction.
7713 (eh_return_internal): Explicitly set pc.
7715 2006-10-11 Richard Guenther <rguenther@suse.de>
7717 PR tree-optimization/28230
7718 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7719 to the correct place.
7721 2006-10-11 Richard Guenther <rguenther@suse.de>
7724 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7727 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7729 * configure.ac: Added pdf to "Make-hooks"
7730 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7731 targets and *.pdf file patterns in cleanup targets.
7732 * configure: Regenerated.
7734 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7736 * config/avr/predicates.md: New file.
7737 * config/avr/avr.md: Include it.
7738 (REG_SP): New constant.
7739 (peepholes): Use predicates.
7740 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7741 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7742 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7744 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7746 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7749 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7752 * builtins.c (var_decl_component_p): New function.
7753 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7754 single entry optimization to variables and components thereof.
7756 2006-10-10 Richard Guenther <rguenther@suse.de>
7758 PR rtl-optimization/29323
7759 * except.c (set_nothrow_function_flags): For functions
7760 that do not bind local bail out early.
7762 2006-10-10 Ben Elliston <bje@au.ibm.com>
7764 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7767 2006-10-09 Richard Henderson <rth@redhat.com>
7769 Revert emutls patch.
7771 2006-10-09 Richard Guenther <rguenther@suse.de>
7774 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7777 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7780 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7781 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7782 * configure: Regenerate.
7783 * config.in: Regenerate.
7785 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7787 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7789 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7791 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7792 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7793 Remove stray newline.
7795 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7797 * config/mips/mips.c (mips_classify_symbol): Do not return
7798 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7799 (mips_in_small_data_p): Tweak comments.
7801 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7803 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7805 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7807 * gimplify.c, sched-int.h: Fix comment typos.
7809 * sched-int.h: Fix comment typos.
7811 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7813 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7815 * sched-ebb.c (begin_schedule_ready): Use them.
7816 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7817 add_to_speculative_block, create_check_block_twin, speculate_insn,
7818 fix_jump_move, move_block_after_check): Ditto.
7819 * sched-rgn.c (new_ready): Ditto.
7821 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7823 PR rtl-optimization/29128
7824 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7825 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7826 allow interblock movement of speculation checks.
7828 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7831 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7832 casted to integer type.
7833 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7834 if they are significantly more expensive than [reg + index] ones.
7836 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7838 PR tree-optimization/29330
7839 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7840 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7841 on newly allocated ddrs.
7842 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7843 to VEC (loop_p, heap) pointer.
7844 (compute_data_dependences_for_loop): Adjust caller.
7845 (free_dependence_relations): Free DDR_LOOP_NEST.
7847 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7848 free DEPENDENCE_RELATIONS and DATAREFS.
7851 * builtins.c (expand_builtin_sync_operation,
7852 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7853 Use convert_to_mode to handle promoted arguments.
7855 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7857 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7859 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7861 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7863 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7865 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7866 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7867 Use <modeconstraint> instead of "r" as operand 1 constraint.
7869 2006-10-06 Olivier Hainque <hainque@adacore.com>
7871 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7872 Don't recurse on the pointed-to type.
7873 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7874 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7875 types with components of variable size.
7877 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7879 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7881 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7883 PR tree-optimization/29290
7884 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7888 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7889 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7892 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7893 the number of vector elements fill the rest with zeros.
7895 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7897 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7898 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7901 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7903 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7904 unnamed pattern into subsi3. Use correct constraints/predicates.
7905 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7906 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7908 2006-10-05 Ira Rosen <irar@il.ibm.com>
7910 * doc/loop.texi: Add data references analysis description.
7912 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7914 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7916 2006-10-04 Richard Henderson <rth@redhat.com>
7917 Jakub Jelinek <jakub@redhat.com>
7919 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7920 * builtin-types.def (BT_WORD): Make unsigned.
7921 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7922 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7923 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7924 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7925 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7926 * cgraph.c (decide_is_variable_needed): Look at force_output.
7927 Recurse for emulated tls.
7928 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7929 checks redundant with decide_is_variable_needed.
7930 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7931 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7933 * expr.c (emutls_var_address): New.
7934 (expand_expr_real_1): Expand emulated tls.
7935 (expand_expr_addr_expr_1): Likewise.
7936 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7937 * output.h (emutls_finish): Declare.
7938 * toplev.c (compile_file): Call it.
7939 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7940 address before wrapping in CONST.
7941 * varasm.c (emutls_htab, emutls_object_type): New.
7942 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7943 (get_emutls_object_name, get_emutls_object_type): New.
7944 (get_emutls_init_templ_addr, emutls_decl): New.
7945 (emutls_common_1, emutls_finish): New.
7946 (assemble_variable): When emulating tls, swap decls; generate
7947 constructor for the emutls objects.
7948 (do_assemble_alias): When emulating tls, swap decl and target name.
7949 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7951 * emutls.c: New file.
7952 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7953 tls_object for real tls.
7955 2006-10-04 Zack Weinberg <zackw@panix.com>
7957 Fix bug in constraint-check generator, reported by Rask Ingemann
7959 * genpreds.c (add_constraint): Don't remove anything from the
7961 (write_tm_constrs_h): Detect whether "op" argument is used, and
7962 mark it ARG_UNUSED if it isn't.
7963 (write_insn_const_int_ok_for_constraint): Skip the part of the
7964 expression that would test whether "op" (which is not available
7965 here) is a CONST_INT.
7967 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7970 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7972 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7974 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7975 current Leopard versions.
7976 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7978 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7980 * doc/install.texi: Fix typos.
7982 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7984 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7985 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7986 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7988 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7990 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7991 arg to be struct mach_header_64* instead.
7993 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7996 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7997 side effects after the outer expression's post side effects.
7999 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8001 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8002 comments to reflect actual behavior and relationship between
8003 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8005 * doc/c-tree.texi (Working with declarations): Fix documentation
8006 of FIELD_DECL likewise.
8008 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8011 * doc/extend.texi: Add used variable attribute description.
8013 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8016 * c.opt (Woverride-init): New.
8017 * c-opts.c (c_common_post_options): Default warn_override_init to
8019 * c-typeck.c (add_pending_init, output_init_element): Warn for
8020 overriding initializers without side effects.
8021 * doc/invoke.texi (-Woverride-init): Document.
8024 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8026 PR rtl-optimization/28096
8027 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8028 assignment has already been used as a destination earlier in the block.
8030 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8032 * builtins.c (expand_builtin_setjmp): Delete.
8033 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8034 <BUILT_IN_SETJMP_SETUP>: New case.
8035 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8036 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8037 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8038 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8039 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8040 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8041 (lower_function_body): Initialize it to false. If it is set to true
8042 at the end of the processing, emit the setjmp dispatcher.
8043 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8044 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8045 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8046 on the rhs of the assignment.
8047 (lower_builtin_setjmp): New function.
8048 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8049 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8050 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8051 to detect calls that can go to non-local labels. Use specific
8052 helper to create the abnormal edges associated with them.
8053 <MODIFY_EXPR>: Likewise.
8054 (make_abnormal_goto_edges): New function extracted from...
8055 (make_goto_expr_edges): ...here. Call it for computed gotos.
8056 (simple_goto_p): Minor tweak.
8057 (tree_can_make_abnormal_goto): New predicate.
8058 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8059 (tree_purge_dead_abnormal_call_edges): New function.
8060 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8061 (tree_purge_dead_abnormal_call_edges): Likewise.
8062 (make_abnormal_goto_edges): Likewise.
8063 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8064 Purge all dead abnormal edges if the call was in the last statement.
8065 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8066 (execute_fixup_cfg): If there are non-local labels in the function,
8067 scan the basic blocks and split them at calls that can go to non-local
8068 labels or add missing abnormal call edges. Write down the CFG in the
8070 (pass_fixup_cfg): Remove TODO_dump_func flag.
8071 * unwind-sjlj.c: Poison setjmp.
8072 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8073 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8074 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8075 (DONT_USE_BUILTIN_SETJMP): Document it.
8077 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8080 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8081 to 1 when __ppc64__ is defined.
8082 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8084 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8086 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8088 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8089 * config/ia64/unwind-hpux.c: Delete.
8091 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8093 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8094 on the element before gimplifying it, instead of punting if it is of
8097 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8099 * doc/loop.texi: New file.
8100 * doc/gccint.texi: Reference loop.texi.
8101 * Makefile.in (loop.texi): Add.
8103 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8105 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8107 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8108 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8110 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8112 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8114 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8116 * doc/install.texi: Document required versions of GMP and MPFR.
8118 2006-09-27 Paul Brook <paul@codesourcery.com>
8121 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8123 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8125 * reload1.c (alter_reg): Require the alignment of the stack slot to
8126 be at least reg_max_ref_width bytes.
8127 (scan_paradoxical_subregs): Record the largest width in
8130 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8134 * tree-nested.c (struct nesting_info): Added static_chain_added.
8135 (convert_call_expr): Set static_chain_added when adding static
8136 chain. Handle OMP_PARALLEL and OMP_SECTION.
8138 2006-09-25 Matthias Klose <doko@debian.org>
8140 * doc/invoke.texi: Add missing full stop.
8142 2006-09-25 Richard Henderson <rth@redhat.com>
8144 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8145 before cgraph_function_flags_ready.
8147 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8148 Adam Nemet <anemet@caviumnetworks.com>
8150 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8151 determine_common_wider_type): New functions.
8152 (get_computation_aff): Use them to simplify arithmetic between
8153 UBASE and CBASE if they are shortened from the same type.
8155 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8158 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8159 -2147483647 - 1 instead of 0x80000000.
8161 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8163 * flags.h (HONOR_NANS): Fix typo in comment.
8165 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8167 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8169 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8173 * tree.c (merge_attributes, attribute_list_contained): If both
8174 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8176 * c-typeck.c (comptypes_internal): Don't consider aggregates
8177 in different TUs as compatible if there one set of attributes is
8178 not a subset of the other type's attributes.
8179 (composite_type): Try harder not to create a new aggregate type.
8181 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8183 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8184 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8185 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8186 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8187 than replicating condition above.
8188 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8190 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8191 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8192 the linker by default.
8194 2006-09-22 Mike Stump <mrs@apple.com>
8196 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8199 2006-09-22 Richard Guenther <rguenther@suse.de>
8202 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8203 sort of stack variables stable.
8205 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8208 * explow.c (force_reg): Set REG_POINTER flag according to
8211 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8213 PR tree-optimization/28888
8214 * tree-if-conv.c (combine_blocks): Rewritten.
8215 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8216 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8218 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8220 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8223 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8225 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8227 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8229 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8231 2006-09-21 Roger Sayle <roger@eyesopen.com>
8234 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8235 dw_fde_current_label, to be the start of the function, i.e. the same
8236 value as dw_fde_begin.
8238 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8240 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8241 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8242 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8243 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8244 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8245 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8246 (abs<mode>2, neg<mode>2): Likewise.
8247 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8248 (*mips_abs_ps): New define_insn.
8250 2006-09-20 Josh Conner <jconner@apple.com>
8253 * calls.c (expand_call): Allow reuse of structure return stack
8256 2006-09-20 Paul Brook <paul@codesourcery.com>
8258 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8261 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8263 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8264 clean up terminology.
8266 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8269 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8270 with tablejumps in them.
8272 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8275 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8276 wrap it into TARGET_EXPR.
8278 2006-09-20 Eric Christopher <echristo@apple.com>
8280 * config/i386/i386.c (x86_fisttp): Remove.
8281 * config/i386/i386.h (x86_fisttp): Ditto.
8282 (TARGET_FISTTP): Ditto.
8284 2006-09-19 Eric Christopher <echristo@apple.com>
8286 * doc/tm.texi (OBJC_JBLEN): Describe.
8287 * config/i386/darwin.h (OBJC_JBLEN): Define.
8288 * config/rs6000/darwin.h: Ditto.
8290 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8292 PR rtl-optimization/21299
8293 * reload1.c (reload): Purge invalid ASMs in the final pass.
8295 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8298 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8299 pointers as legitimate constants.
8301 2006-09-19 Paul Brook <paul@codesourcery.com>
8304 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8306 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8308 PR tree-optimization/28887
8309 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8310 component parts from the reference.
8311 (gather_memory_references_ref): Record the reference without the
8312 nonaddressable component parts.
8314 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8317 * c-opts.c (c_common_handle_option): Ignore the -std options
8318 if the input language is assembly.
8320 2006-09-17 Ira Rosen <irar@il.ibm.com>
8323 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8325 (ptr_ptr_may_alias_p): Likewise.
8326 (record_record_differ_p): New function.
8327 (base_object_differ_p): Call record_record_differ_p.
8329 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8332 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8333 away for the expr argument.
8335 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8338 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8339 before using it for dumping after vectorizing loops.
8341 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8342 Jack Howarth <howarth@bromo.med.uc.edu>
8345 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8346 skip on error_mark_node.
8347 (rs6000_darwin64_record_arg_recurse): Likewise.
8349 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8351 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8352 * doc/rtl.texi: Remove related documentation.
8354 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8356 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8359 2006-09-15 Jim Wilson <wilson@specifix.com>
8361 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8362 Handle symbol offsets same as they are handled in ia64_expand_move
8365 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8367 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8368 Add forgotten parameter to the fprintf call.
8370 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8372 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8374 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8376 * doc/contrib.texi: Add my entry.
8378 2006-09-15 Nick Clifton <nickc@redhat.com>
8380 * doc/md.texi (Processor pipeline description): Fix typo in
8381 example of how to use the absence_set directive and reword the
8382 description to make it slightly easier to read.
8384 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8386 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8387 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8388 expanding the number of iterations.
8389 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8391 * cfgrtl.c (emit_insn_at_entry): New function.
8392 * rtl.h (emit_insn_at_entry): Declare it.
8393 * integrate.c (emit_initial_value_sets): Use it.
8395 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8397 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8399 (struct loop_work and related VEC declarations): Delete.
8400 (bfin_dump_loops): Print out new member bad.
8401 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8402 (bfin_scan_loop): Don't recurse.
8403 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8404 loops. No longer need to update outer loops if the current one is
8405 found bad. Move some validitiy checks to bfin_discover_loop.
8406 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8407 but changed not to check for nesting. Also changed to use the new bad
8409 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8410 time. Use bitmap based test to discover loop nesting.
8412 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8414 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8417 2006-09-14 Richard Guenther <rguenther@suse.de>
8418 Kazu Hirata <kazu@codesourcery.com>
8420 PR middle-end/28884.
8421 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8422 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8423 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8424 with TARGET_FUNCTION_VALUE.
8426 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8429 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8431 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8433 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8436 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8439 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8442 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8444 * basic_block.h (bb_has_eh_pred): Fix comment.
8446 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8448 * flow.c (calculate_global_regs_live): Invalidate eh registers
8449 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8450 (propagate_block): Handle eh registers as if they were set at basic
8452 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8454 * global.c (global_conflicts): Make eh registers to conflict with
8455 pseudos live at basic block begin.
8456 * basic_block.h (bb_has_eh_pred): New function.
8458 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8460 PR rtl-optimization/28982
8461 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8462 index of a PRE_MODIFY or POST_MODIFY address.
8463 * reload1.c (inc_for_reload): Use find_replacement on the original
8464 base and index registers.
8466 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8468 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8469 for -Os. Update __m128 alignment requirement.
8471 2006-09-13 Jan Hubicka <jh@suse.cz>
8473 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8475 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8477 PR rtl-optimization/28243
8478 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8479 the insn to which the note was originally attached.
8481 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8482 Roger Sayle <roger@eyesopen.com>
8484 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8485 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8486 on platforms that don't use dwarf for debug info.
8488 2006-09-12 Jason Merrill <jason@redhat.com>
8491 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8492 hard_frame_pointer_rtx after using it to update the frame pointer.
8494 2006-09-12 Roger Sayle <roger@eyesopen.com>
8496 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8497 (TARGET_ASM_CLOSE_PAREN): Likewise.
8498 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8499 (TARGET_ASM_CLOSE_PAREN): Likewise.
8501 2006-09-12 Roger Sayle <roger@eyesopen.com>
8504 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8505 frame information for frames larger than 512 Kbytes on Tru64 when
8506 using the native assembler.
8508 2006-09-12 Roger Sayle <roger@eyesopen.com>
8512 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8513 and symbols. Instead use the implementation from cse.c's hash_rtx.
8515 2006-09-12 Jan Hubicka <jh@suse.cz>
8517 PR rtl-optimization/28071
8518 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8519 (vect_transform_loop): Likewise.
8520 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8521 (new_loop_vec_info): Likewise.
8522 (destroy_loop_vec_info): Likewise.
8523 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8524 (create_stmt_ann): Likewise.
8525 (create_tree_ann): Rename to ...
8526 (create_tree_common_ann): ... this one; allocate only the common part
8528 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8529 (get_value_handle): Likewise.
8530 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8531 get_tree_common_ann.
8532 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8533 (vinfo_for_stmt): Use stmt annotations.
8534 * tree-flow.h (tree_ann_common_t): New type.
8535 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8536 (tree_ann, get_tree_ann, create_tree_ann): New.
8537 * tree-flow-inline.h (get_function_ann): Do more type checking.
8538 (stmt_ann): Likewise.
8539 (tree_ann): Rename to ...
8540 (tree_common_ann): ... this one; return ony common_ann
8541 (get_tree_ann): Rename to ...
8542 (tree_common_ann): This one; return only common_ann.
8543 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8546 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8548 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8549 with_cpu by default.
8551 * dwarf2out.c (dwarf_file_data): New.
8552 (enum dw_val_class): Add dw_val_class_file.
8553 (struct dw_val_struct): Add val_file.
8554 (file_table): Change to a hash table.
8555 (file_table_emitted): Delete.
8556 (file_table_last_lookup_index): Delete.
8557 (emitcount): Delete.
8558 (last_emitted_file): New.
8559 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8560 (init_file_table): Delete.
8561 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8562 (AT_addr): Add comment.
8566 (print_die): Handle dw_val_class_file.
8567 (print_dwarf_line_table): Update for new file table structure.
8568 (attr_checksum): Do checksum a filename.
8569 (same_dw_val_p, same_attr_p): Do compare a filename.
8570 (size_of_die): Handle dw_val_class_file.
8571 (value_format): Likewise.
8572 (output_die): Likewise. Also, call maybe_emit_file here.
8573 (struct file_info): Constify filenames. Make file_idx a pointer
8574 to a struct dwarf_file_data.
8575 (struct dir_info): Constify directory names. Remove 'used' field.
8576 (struct file_name_acquire_data): New.
8577 (file_name_acquire): New.
8578 (output_file_names): Modify to handle new file data structures.
8579 (add_src_coords_attributes): Use add_AT_file.
8580 (add_call_src_coords_attributes): Likewise.
8581 (dwarf2out_imported_module_or_decl): Likewise.
8582 (gen_subprogram_die): Modify for new file data structures.
8583 (gen_variable_die): Likewise.
8584 (file_table_eq): New.
8585 (file_table_hash): New.
8586 (file_table_last_lookup): New.
8587 (lookup_filename): Rewrite to handle new file data structures.
8588 (maybe_emit_file): Rewrite to handle new file data structures.
8589 (dwarf2out_source_line): Always call lookup_filename and
8591 (dwarf2out_init): Create file_table here.
8592 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8593 (file_table_relative_p): New.
8594 (dwarf2out_finish): Change detection of relative filenames
8595 to work with new file data structures. Move output_line_info call
8596 after debug_info output.
8598 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8603 * config/i386/i386.c (override_options): Always default to 16
8604 byte stack boundary.
8606 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8609 * var-tracking.c (dump_dataflow_set): Start dumping at
8611 (clobber_variable_part): Kill only the variable part in
8612 registers holding it, leaving other variables alone.
8614 2006-09-11 Josh Triplett <josh@freedesktop.org>
8616 * doc/extend.texi (Other Builtins): Actually use the macro
8617 argument in the documentation example for
8618 __builtin_types_compatible_p.
8620 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8622 PR rtl-optimization/28726
8623 * sched-deps.c (sched_analyze_reg): New function extracted from...
8624 (sched_analyze_1): ...here. Call it to analyze references to
8625 registers. Treat again writes to a stack register as writing to the
8627 (sched_analyze_2): ...and here. Call it to analyze references to
8628 registers. Treat again reads of a stack register as reading the
8631 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8632 David Edelsohn <edelsohn@gnu.org>
8635 * config/rs6000/spe.md (frob_df_di): Remove %H.
8636 (frob_di_df): Remove %H. Change evmergelo to mr.
8637 (frob_di_df_2): Remove %H. Change evldd to two loads.
8639 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8641 * doc/cpp.texi: Fix names of charset options.
8643 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8646 * config/i386/i386.c (override_options): Use 128-bit
8647 stack boundary always for 64bits.
8649 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8651 PR rtl-optimization/28636
8652 * combine.c (force_to_mode): Test for side-effects before
8653 substituting by zero.
8654 (simplify_shift_const): Likewise for zero or other constants.
8656 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8659 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8662 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8665 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8666 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8667 returned by mode_for_size, rather than the mode of src itself,
8668 to choose between 32-bit and 64-bit patterns.
8669 (mips_mem_fits_mode_p): New function.
8670 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8671 that the size of the source matches the size of the destination.
8672 (mov_<store>l, mov_<store>r): Likewise.
8674 2006-09-10 Eric Christopher <echristo@apple.com>
8676 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8679 2006-09-09 Eric Christopher <echristo@apple.com>
8682 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8685 2006-09-09 Roger Sayle <roger@eyesopen.com>
8686 Nicolas Setton <setton@adacore.com>
8688 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8690 2006-09-10 Andreas Schwab <schwab@suse.de>
8692 * config/m68k/m68k.md (bungt_rev): New pattern.
8694 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8695 Dale Johannesen <dalej@apple.com>
8698 * regclass.c (struct reg_pref): Update documentation.
8699 (regclass): Set prefclass to NO_REGS if memory is the best option.
8700 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8702 2006-09-08 Eric Christopher <echristo@apple.com>
8704 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8705 * config/t-slibgcc-darwin: Support x86_64 multilib.
8706 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8707 Return 1 for x86_64-darwin.
8708 * config/i386/t-darwin: Add m64 multilib.
8709 (LIB2_SIDITI_CONV_FUNCS): Use.
8710 (LIB2FUNCS_EXTRA): Ditto.
8711 * config/i386/darwin.h: Support x86_64.
8712 * config/i386/i386.c (override_options): Turn on flag_pic
8713 for x86_64-darwin. Disable flag_omit_pointer.
8714 (get_pc_thunk_name): Assert !TARGET_64BIT.
8715 (legitimate_address_p): Disable machopic addressing for
8717 (legitimize_pic_address): Ditto.
8718 (ix86_expand_move): Ditto.
8719 (ix86_expand_call): Ditto.
8720 (machopic_output_stub): Ditto.
8721 * config/darwin.c (machopic_select_section): Support literal16.
8722 (machopic_select_rtx_section): Ditto.
8723 * config/darwin-sections.def: Ditto.
8724 * config/darwin-64.c: New.
8726 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8729 * c-tree.h (struct c_arg_info): Add pending_sizes.
8730 * c-parser.c (c_parser_parms_declarator,
8731 c_parser_parms_list_declarator): Initialize pending_sizes.
8732 * c-decl.c (get_parm_info): Initialize pending_sizes.
8733 (get_parm_info): Set pending_sizes.
8734 (grokdeclarator): Call put_pending_sizes for parameters for
8735 function definition only.
8737 2006-09-07 Jason Merrill <jason@redhat.com>
8740 * varasm.c (output_constant): Only strip actual no-op conversions.
8743 * config/i386/i386.c (override_options): Use 128-bit
8744 stack boundary if -msse.
8746 2006-09-07 Eric Christopher <echristo@apple.com>
8748 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8750 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8753 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8755 * dwarf2out.c: Remove strange characters from comment above
8756 dwarf2out_frame_debug_expr.
8758 2006-09-07 Eric Christopher <echristo@apple.com>
8760 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8761 * config/darwin.h: ... to here.
8763 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8765 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8767 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8768 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8770 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8771 TARGET_PARTIAL_FLAG_REG_STALL.
8772 (*ashldi3_cconly_rex64): Likewise.
8773 (*ashlsi3_cmp): Likewise.
8774 (*ashlsi3_cconly): Likewise.
8775 (*ashlsi3_cmp_zext): Likewise.
8776 (*ashlhi3_cmp): Likewise.
8777 (*ashlhi3_cconly): Likewise.
8778 (*ashlqi3_cmp): Likewise.
8779 (*ashlqi3_cconly): Likewise.
8780 (*ashrdi3_cmp_rex64): Likewise.
8781 (*ashrdi3_cconly_rex64): Likewise.
8782 (*ashrsi3_cmp): Likewise.
8783 (*ashrsi3_cconly): Likewise.
8784 (*ashrsi3_cmp_zext): Likewise.
8785 (*ashrhi3_cmp): Likewise.
8786 (*ashrhi3_cconly): Likewise.
8787 (*ashrqi3_cmp): Likewise.
8788 (*ashrqi3_cconly): Likewise.
8789 (*lshrdi3_cmp_rex64): Likewise.
8790 (*lshrdi3_cconly_rex64): Likewise.
8791 (*lshrsi3_cmp): Likewise.
8792 (*lshrsi3_cconly): Likewise.
8793 (*lshrsi3_cmp_zext): Likewise.
8794 (*lshrhi3_cmp): Likewise.
8795 (*lshrhi3_cconly): Likewise.
8796 (*lshrqi2_cmp): Likewise.
8797 (*lshrqi2_cconly): Likewise.
8799 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8802 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8803 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8804 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8805 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8806 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8807 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8808 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8809 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8810 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8811 implement only CC setting effects of shift instructions.
8813 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8815 * doc/contrib.texi: Add myself.
8817 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8820 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8821 was set by the user.
8823 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8826 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8827 (divsi_inv_m1): Use them.
8828 (UNSPEC_DIV_INV_TABLE): New constant.
8830 2006-09-06 James E Wilson <wilson@specifix.com>
8833 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8834 then call count_or_remove_death_notes.
8836 2006-09-06 Jason Merrill <jason@redhat.com>
8839 * tree-inline.c (copy_result_decl_to_var): New fn.
8840 (declare_return_variable): Use it. Call declare_inline_vars here.
8841 (expand_call_inline): Not here.
8843 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8845 * doc/contrib.texi: Update my entry.
8847 2006-09-06 Nick Clifton <nickc@redhat.com>
8849 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8851 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8854 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8855 (canonicalize_induction_variables): Likewise.
8856 (tree_unroll_loops_completely): Likewise.
8857 (tree_ssa_prefetch_arrays): Likewise.
8858 (remove_empty_loops): Likewise.
8859 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8860 TODO_cleanup_cfg instead of directly calling
8861 cleanup_tree_cfg_loop.
8862 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8864 (tree_unroll_loops_completely): Likewise.
8865 (remove_empty_loops): Likewise.
8866 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8867 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8868 of tree_ssa_unswitch_loops.
8869 (tree_ssa_loop_ivcanon): Use the return value of
8870 canonicalize_induction_variables.
8871 (tree_ssa_empty_loop): Use the return value of
8873 (tree_complete_unroll): Use the return value of
8874 tree_unroll_loops_completely.
8875 (tree_ssa_loop_prefetch): Use the return value of
8876 tree_ssa_prefetch_arrays.
8877 * passes.c (execute_todo): Before Cleanup CFG, set
8878 updating_used_alone and after cleanup CFG, call
8879 recalculate_used_alone.
8881 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8884 * tree-vect-transform.c (vectorizable_condition): Move the check
8885 for the type after the check for simple condition.
8887 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8888 Kaz Kojima <kkojima@gcc.gnu.org>
8891 * mode-switching.c (optimize_mode_switching): Make the destination
8892 block of an abnormal edge have no anticipatable mode. Don't
8893 insert mode switching code at the end of the source block of
8896 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8898 PR rtl-optimization/26847
8899 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8900 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8901 (simplify_plus_minus): Count n_constants while filling ops. Replace
8902 qsort with insertion sort. Before going through the array to simplify
8903 pairs, sort it. Delay early exit until after the first sort, exiting
8904 only if no swaps occurred. Simplify pairs in reversed order, without
8905 special-casing the first iteration. Pack ops after simplifying pairs.
8907 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8909 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8910 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8911 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8912 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8914 2006-09-05 Richard Guenther <rguenther@suse.de>
8916 PR tree-optimization/28900
8917 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8918 compound conditional before creating COND_EXPR condition.
8920 2006-09-05 Richard Guenther <rguenther@suse.de>
8922 PR tree-optimization/28905
8923 * tree-vrp.c (fix_equivalence_set): Manually implement
8924 !value_ranges_intersect_p to also handle symbolic ranges.
8926 2006-09-05 Richard Guenther <rguenther@suse.de>
8929 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8932 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8934 PR rtl-optimization/27616
8935 * cse.c (table_size): New static variable.
8936 (new_basic_block): Initialize it to 0.
8937 (remove_from_table): Decrement it.
8938 (insert): Increment it.
8939 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8940 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8941 fold_rtx_mem_1 if under the cap.
8942 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8943 the lookup of the equivalent expression and test for equality of the
8944 first operand of the equivalent expression before in turn looking up
8945 an equivalent constant for the second operand.
8947 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8950 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8951 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8952 pointer, instead of assuming it is possible to derive the
8953 correct args size from a call insn.
8955 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8958 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8959 (fold_builtin_mempcpy): Rename to...
8960 (fold_builtin_memory_op): ... this. Optimize one element copy
8962 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8964 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8965 (expand_builtin_memcpy, expand_builtin_mempcpy,
8966 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8967 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8968 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8969 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8971 2006-09-01 DJ Delorie <dj@redhat.com>
8973 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8974 (stzx_16): Likewise.
8975 ("stzx_24_<mode>"): Likewise.
8976 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8977 ("cmp<mode>_op"): New.
8978 (cmp<mode>): Change to expander; just save operands.
8980 (b<code>): Change to expander, emit compare here.
8981 (s<code>_op): Change to use split and expander.
8982 (s<code>_24_op): Likewise.
8983 (s<code>_<mode>): New.
8984 (s<code>_<mode>_24): New.
8985 (movqicc_<code>_<mode): New.
8986 (movhicc_<code>_<mode>): New.
8989 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8990 (m32c_pend_compare): New.
8991 (m32c_unpend_compare): New.
8992 (m32c_expand_scc): New.
8993 (m32c_expand_movcc): Emit the compare also.
8994 * config/m32c/predicates.md (mra_nopp_operand): New.
8996 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8997 Richard Guenther <rguenther@suse.de>
8998 Adam Nemet <anemet@caviumnetworks.com>
9001 * builtins.c (get_pointer_alignment): Handle more forms
9002 of base addresses that can be used to derive more precise
9003 information about alignment.
9005 2006-09-01 Jason Merrill <jason@redhat.com>
9008 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9011 * gimplify.c (voidify_wrapper_expr): Handle null type.
9013 2006-09-01 Josh Conner <jconner@apple.com>
9016 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9017 (execute_return_slot_opt): Use it.
9019 2006-08-31 Josh Conner <jconner@apple.com>
9022 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9023 returning aggregates.
9025 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9027 PR tree-optimization/28839
9028 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9029 blocks in that phi arguments appear.
9031 2006-08-31 Roger Sayle <roger@eyesopen.com>
9034 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9035 NULL, otherwise use an advance_loc4 to adjust relative to the
9037 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9038 (dwarf2out_switch_text_section): Reset the current label to avoid
9039 using advance_loc4 over section boundaries.
9041 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9044 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9045 r12 + SYMBOLIC_CONST.
9047 2006-08-30 Richard Guenther <rguenther@suse.de>
9049 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9051 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9053 PR rtl-optimization/27735
9054 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9055 Add new argument to keep track of whether an irreducible region
9056 was affected. All callers changed.
9057 (fix_irreducible_loops): Removed.
9058 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9059 flags were invalidated.
9061 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9063 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9064 instead of SF operands.
9065 (*fop_df_comm_sse): Likewise.
9066 (*fop_df_comm_i387): Likewise.
9067 (*fop_df_1_mixed): Likewise.
9068 (*fop_df_1_sse): Likewise.
9070 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9071 J"orn Rennecke <joern.rennecke@st.com>
9073 PR tree-optimization/17506
9074 * tree-ssa.c (warn_uninit): If warning about a location outside of
9075 the current function, note where the variable was declared.
9077 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9079 PR tree-optimization/28411
9080 * double-int.c (double_int_div): Use double_int_divmod.
9081 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9082 double_int_mod, double_int_smod, double_int_umod): New functions.
9083 * double-int.h (double_int_divmod, double_int_sdivmod,
9084 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9086 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9088 (get_computation_aff, get_computation_cost_at): Handle double_int
9089 return type of constant_multiple_of.
9091 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9094 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9095 an implicit conversion.
9097 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9099 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9101 2006-08-27 Roger Sayle <roger@eyesopen.com>
9103 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9106 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9108 * config/i386/crtfastmath.c: Fix a comment typo.
9110 2006-08-26 Roger Sayle <roger@eyesopen.com>
9112 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9113 temporary visit flags on CASE_LABEL_EXPRs.
9114 * c-common.c (match_case_to_enum): Add function comment. Avoid
9115 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9116 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9117 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9118 a constant, only warn if that constant value isn't handled.
9120 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9123 * input.h (restore_input_file_stack): Declare.
9124 (INPUT_FILE_STACK_BITS): Define.
9125 * toplev.c (fs_p, input_file_stack_history,
9126 input_file_stack_restored, restore_input_file_stack): New.
9127 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9128 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9129 (pop_srcloc): Don't free old state of stack.
9131 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9134 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9135 (PowerPC Type Attributes): New.
9137 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9139 * config/xtensa/xtensa.c (function_arg_boundary): New.
9140 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9142 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9143 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9145 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9148 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9151 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9153 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9154 (verify_local_live_at_start): Likewise.
9156 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9159 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9160 omp_add_variable): Treat sizes as variable whenever not
9163 2006-08-26 Richard Guenther <rguenther@suse.de>
9166 * fold-const.c (fold_binary): Fold temporary to correct
9167 type before constructing new comparison.
9169 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9172 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9173 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9175 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9178 * c-decl.c (start_function): Don't try to process prototype
9179 information from old declaration that isn't a function.
9181 2006-08-25 Jan Hubicka <jh@suse.cz>
9184 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9186 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9189 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9192 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9194 PR tree-optimization/16876
9195 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9196 exit if PARM doesn't match VALUE.
9198 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9200 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9201 literal_prefix directive.
9202 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9203 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9204 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9206 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9209 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9210 predicate to general_operand. Add 0->y and I->r alternatives.
9212 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9214 * doc/tm.texi: Fix a typo.
9215 * predict.c: Fix comment typos.
9217 2006-08-25 Nick Clifton <nickc@redhat.com>
9219 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9220 assertions of "cpu" and "machine".
9222 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9225 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9226 the access through a base which has an alias set of 0 cannot
9229 2006-08-24 Bill Wendling <wendling@apple.com>
9231 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9233 2006-08-24 Jan Hubicka <jh@suse.cz>
9235 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9237 2006-08-24 Jan Hubicka <jh@suse.cz>
9240 * cgraph.c: Fix comments.
9241 (cgraph_varpool_mark_needed_node): Mark only variables not already
9243 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9244 (cgraph_varpool_assembled_nodes_queue): New static variable.
9245 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9246 (cgraph_varpool_output_debug_info): New function.
9247 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9248 * Makefile.in: Add gt-cgraphunit.h
9250 2006-08-24 Jan Hubicka <jh@suse.cz>
9252 * predict.c (probability_reliable_p): New predicate.
9253 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9254 (predict_loops): Do not predict loop exit with less than 2%
9256 * basic-block.h (edge_probability_reliable_p,
9257 br_prob_note_reliable_p): Declare.
9258 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9259 prediction when static predictor is not reliable.
9260 * rs6000.c (output_cbranch): Likewise.
9262 2006-08-23 Stuart Hastings <stuart@apple.com>
9265 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9266 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9268 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9271 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9272 complex values, nor for generic vector values.
9274 2006-08-22 Richard Guenther <rguenther@suse.de>
9277 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9278 parameter. Convert arguments to arithmetic expression to the
9280 (analyze_scalar_evolution_1): Adjust caller.
9282 2006-08-22 Jan Hubicka <jh@suse.cz>
9284 Patch by Paolo Bonzini
9285 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9288 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9290 PR tree-optimization/28003
9291 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9292 before grouping aliases.
9294 2006-08-22 Roger Sayle <roger@eyesopen.com>
9296 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9297 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9299 2006-08-21 Jason Merrill <jason@redhat.com>
9302 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9303 wrapper. Loop to handle nested wrappers.
9304 (gimplify_bind_expr): Remove temp parameter.
9305 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9306 and STATEMENT_LIST on the rhs.
9307 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9308 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9309 (gimplify_target_expr): Remove special BIND_EXPR handling.
9311 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9313 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9316 2006-08-21 Olivier Hainque <hainque@adacore.com>
9318 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9319 Arrange for the temporary captures of components overlapping the lhs
9320 to happen before the lhs is possibly cleared.
9322 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9324 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9325 necessary places to pass the correct "number of registers" values
9328 2006-08-20 Jan Hubicka <jh@suse.cz>
9330 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9331 (create_name_tags): Instead of quadratic checking use hashtable.
9332 * bitmap.h: Include hashtab.h.
9333 (bitmap_hash): Declare.
9334 * bitmap.c (bitmap_hash): New function.
9336 2006-08-20 Jan Hubicka <jh@suse.cz>
9338 PR rtl-optimization/28071
9339 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9341 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9342 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9343 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9344 cgraph_decide_inlining_incrementally): Update use of
9345 cgraph_check_inline_limits.
9346 * cgraph.c (edge_hash, edge_eq): New function.
9347 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9348 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9349 cgraph_remove_node): Maintain call site hash.
9350 * cgraph.h (struct cgraph_node): Add call_site_hash.
9351 (cgraph_set_call_stmt): New function.
9353 2006-08-20 Jan Hubicka <jh@suse.cz>
9355 PR rtl-optimization/28071
9356 * reload1.c (reg_has_output_reload): Turn into regset.
9357 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9358 choose_reload_regs, emit_reload_insns): Update to new
9359 reg_has_output_reload.
9361 2006-08-20 Jan Hubicka <jh@suse.cz>
9364 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9365 function body sizes.
9366 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9368 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9371 * tree.c (handle_dll_attribute): Return early if not a
9372 var or function decl.
9374 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9377 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9378 alignment of SPE vector types.
9380 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9382 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9384 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9387 * cgraph.h (struct cgraph_node): Remove externally_visible
9389 * cgraphunit.c (process_function_and_variable_attributes): Set
9390 local.externally_visible rather than externally_visible.
9393 * c-common.c (handle_externally_visible_attribute): First look
9394 at TREE_CODE and only if it is function or var decl, check for
9395 non-public objects. Don't warn for DECL_EXTERNAL.
9396 * cgraphunit.c (process_function_and_variable_attributes): Warn
9397 if externally_visible attribute is used on non-public object.
9399 2006-08-17 Jan Hubicka <jh@suse.cz>
9401 PR tree-optimization/27865
9402 * reload1.c (forget_marked_reloads): New function.
9403 (forget_old_reloads_1): When data are passed, just mark the registers
9405 (reload_as_needed): Use the new mechanizm.
9407 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9410 * reload.h (reg_equiv_alt_mem_list): New declaration.
9411 * reload1.c (reg_equiv_alt_mem_list): New definition.
9412 (reload): Initialize it and release it.
9413 (delete_output_reload): Use it.
9414 * reload.c (push_reg_equiv_alt_mem): New function.
9415 (find_reloads_toplev): Call it.
9416 (find_reloads_address, find_reloads_address_1): Likewise.
9417 (find_reloads_subreg_address): Likewise.
9419 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9421 PR rtl-optimization/28489
9422 * sched-ebb.c (begin_schedule_ready): Create basic block
9424 (advance_target_bb): Skip empty blocks.
9425 * haifa-sched.c (bb_note): Make global.
9426 * sched-int.h (bb_note): Add prototype.
9428 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9430 PR tree-optimization/27865
9431 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9433 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9434 fold_used_pointer, pointer_used_p): New functions.
9435 (analyze_scalar_evolution_1): Use fold_used_pointer.
9436 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9437 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9440 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9443 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9444 or the INTEGER_CST. Fail on a CALL_EXPR.
9445 (fold_offsetof): Pass new argument to fold_offsetof_1.
9446 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9447 operand into an INDIRECT_REF.
9448 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9450 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9452 PR gcov/profile/26570
9453 * value-prof.c (static_values): Removed.
9454 (tree_find_values_to_profile): Do not set static_values.
9455 (find_values_to_profile): Do not free static_values.
9456 * profile.c (instrument_values): Do not free the values.
9457 (branch_prob): Free the values.
9459 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9461 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9463 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9466 * c-typeck.c (build_component_ref): Combine qualifiers of
9467 structure or union and field.
9469 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9471 PR rtl-optimization/28071
9472 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9473 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9474 * tree-into-ssa.c (struct dom_dfsnum): New.
9475 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9477 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9478 compute_global_livein.
9479 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9480 in phi nodes in the correct blocks.
9482 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9484 PR tree-optimization/28364
9485 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9487 (fold_affine_expr): New function.
9488 (may_eliminate_iv): Use fold_affine_expr.
9490 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9493 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9496 2006-08-16 Mike Stump <mrs@apple.com>
9498 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9499 * doc/cppopts.texi (-MD): Likewise.
9501 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9504 * c-common.c (handle_weak_attribute): Ignore and warn if
9505 not a FUNCTION_ or VAR_DECL.
9507 2006-07-15 Mike Stump <mrs@apple.com>
9510 * c-parser.c (c_parser_typeof_specifier): Don't use
9511 c_finish_expr_stmt, open code desired semantics instead.
9513 2006-08-15 Nick Clifton <nickc@redhat.com>
9515 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9516 fragment to tmake_file only if threads are enabled.
9517 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9518 * config/i386/t-gthr-win32: New file. ... here.
9520 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9523 * c-parser.c (c_parser_compound_statement_nostart): Reset
9524 parser->error after each statement.
9526 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9529 * omp-low.c (lower_omp_parallel): Convert t to
9530 receiver_decl's type.
9531 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9532 source before comparison.
9535 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9536 to itype in assignment to oldival2.
9538 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9542 * c-typeck.c (build_compound_expr): If the second expression
9543 is an error mark, then just return an error mark instead of
9544 creating a COMPOUND_EXPR.
9546 2006-07-14 Mike Stump <mrs@apple.com>
9548 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9550 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9552 * c-decl.c, var-tracking.c: Fix comment typos.
9554 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9556 PR rtl-optimization/28634
9557 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9558 for floating-point modes unless flag_unsafe_math_optimizations.
9560 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9561 Andrew Pinski <pinskia@physics.uc.edu>
9564 * tree.c (build_array_type): Unify array types with
9565 unspecified index_type.
9566 * c-decl.c (grokdeclarator): Make sure we do not modify a
9567 unified incomplete array type.
9568 * c-typeck.c (store_init_value): Create distinct type before
9569 filling in the index type in an initializer from a compound
9572 * c-decl.c (grokdeclarator): Remove code where we copy the
9575 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9577 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9578 into account for TODO_dump_cgraph.
9579 (TODO_update_ssa_no_phi): Likewise.
9580 (TODO_update_ssa_full_phi): Likewise.
9581 (TODO_update_ssa_only_virtuals): Likewise.
9582 (TODO_remove_unused_locals): Likewise.
9583 (TODO_set_props): Likewise.
9584 (TODO_update_stmt_usage): Likewise.
9586 2006-08-13 Dirk Mueller <dmueller@suse.de>
9588 * c-common.c (strict_aliasing_warning): Fix formatting.
9590 2006-08-13 Matthias Klose <doko@debian.org>
9592 * doc/invoke.texi: Fix spelling errors.
9594 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9596 PR rtl-optimization/23454
9597 * reorg.c (relax_delay_slots): Update comment.
9599 2006-08-11 Richard Guenther <rguenther@suse.de>
9602 * simplify-rtx.c (simplify_const_relational_operation):
9603 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9606 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9608 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9609 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9611 2006-08-10 Paul Brook <paul@codesourcery.com>
9613 * final.c (final_scan_insn): Clear current_insn_predicate before
9614 outputting inline asm.
9616 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9618 PR tree-optimization/26197
9619 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9620 get_ref_base_and_extent and overlap_subvar to add only relevant
9621 subvars as may-aliases.
9622 (add_may_alias_for_new_tag): New function, factored out of
9624 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9625 with additional argument.
9626 * tree-flow.h (new_type_alias): Takes additional argument.
9628 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9630 * gcov.c (no_data_file): New flag.
9631 (read_count_file): Set it if data file not present. Assume counts
9633 (output_lines): Don't name the data file, if there wasn't one.
9635 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9637 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9638 (rs6000_generate_compare): Tweak comments.
9639 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9641 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9643 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9644 (var_debug_decl): New function.
9645 (var_reg_set): Follow debug decl link. Add location even if
9646 reg is already known to hold some other variable.
9647 (var_mem_set): Follow debug decl link.
9648 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9649 decl link. Delete other known locations of the variable part
9651 (var_reg_delete, var_mem_delete): Delete other known locations
9652 of the variable part if requested.
9653 (same_variable_part_p): New function.
9654 (add_stores): Select MO_COPY when appropriate.
9655 (vt_initialize): Handle it.
9656 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9657 known locations for MO_SET and MO_CLOBBER.
9658 (find_variable_location_part): New function.
9659 (set_variable_part, delete_variable_part): Use it.
9660 (clobber_variable_part): New function.
9661 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9664 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9666 PR tree-optimization/26969
9667 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9668 with an empty list of PHIs.
9670 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9674 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9677 2006-08-06 Andreas Schwab <schwab@suse.de>
9679 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9680 string. Whitespace and comment fixup.
9682 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9685 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9689 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9692 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9694 2006-08-04 Jan Hubicka <jh@suse.cz>
9698 * reload.c (push_reload): Patch out the mismatching instruction;
9700 (find_reload): Bail out if the instruction was patched out.
9702 2006-08-04 Jan Hubicka <jh@suse.cz>
9704 PR tree-optimization/24888
9705 * tree-inline.c (expand_call_inline): Do not re-record variables.
9706 (declare_inline_vars): Add variable to unexpanded_var_list.
9708 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9709 Roger Sayle <roger@eyesopen.com>
9711 PR rtl-optimization/26244
9712 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9713 inner_const are negative or greater than or equal to the bitsize of
9714 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9715 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9716 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9717 CONST0_RTX (mode) when the new shift count is greater than or equal to
9718 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9721 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9723 * tree-cfg.c: Fix a comment typo.
9725 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9728 * varasm.c (output_constant): Give the front end another chance to
9729 expand constants, after stripping NOPs.
9731 2006-08-03 Jan Hubicka <jh@suse.cz>
9733 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9736 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9738 PR tree-optimization/27770
9739 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9740 declaration removed (moved to tree-flow.h).
9741 (vect_can_force_dr_alignment_p): Likewise.
9742 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9743 (moved from tree-vectorizer.h).
9744 (vect_can_force_dr_alignment_p): Likewise.
9745 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9746 from outside the vectorizer - in particular from cgraph stage.
9747 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9748 the alignment of global arrays when -fsection-anchors is enabled.
9749 * cgraphunit.c (cgraph_increase_alignment): New function.
9750 (cgraph_optimize): Call cgraph_increase_alignment.
9752 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9755 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9756 not reload a SPE symbol_ref into a lo_sum address.
9758 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9761 * dwarf2out.c (prune_unused_types_prune): Move call to
9762 prune_unused_types_update_strings to cover the parent DIE also.
9764 2006-08-02 Jan Hubicka <jh@suse.cz>
9766 PR gcov/profile/28480
9767 * tree-cfg.c (change_bb_for_stmt): New function.
9768 (tree_merge_blocks, tree_split_blocks): Use it.
9770 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9776 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9777 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9778 (cgraph_optimize): Likewise.
9780 2006-08-01 Stuart Hastings <stuart@apple.com>
9782 * rtl.h (UINTVAL) New.
9783 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9784 * testsuite/gcc.dg/20060801-1.c: New.
9786 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9789 * c-typeck.c (build_external_type): Mark used enum types.
9790 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9792 (gen_subprogram_die): Whitespace fix.
9794 2006-08-01 Jan Hubicka <jh@suse.cz>
9796 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9797 bitmap when not needed.
9798 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9801 2006-08-01 Dirk Mueller <dmueller@suse.de>
9803 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9805 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9807 * Makefile.in: Revert part of previous patch:
9808 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9811 2006-07-30 Eric Christopher <echristo@apple.com>
9814 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9815 (PowerPC Variable Attributes): New section.
9817 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9819 PR target/28126 (partial fix)
9820 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9822 2006-07-28 Jan Hubicka <jh@suse.cz>
9824 PR rtl-optimization/28071
9825 * cfgrtl.c (rtl_delete_block): Free regsets.
9826 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9828 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9830 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9831 and variables used in dependencies.
9833 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9835 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9836 %fs for -mcmodel=kernel.
9837 (stack_tls_protect_test_di): Likewise.
9839 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9841 * Makefile.in: Use mkinstalldirs.
9843 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9846 * opts-common.c (prune_options): Skip joined switches.
9848 2006-07-27 Jan Hubicka <jh@suse.cz>
9850 PR rtl-optimization/28071
9851 * cselib.c (cselib_process_insn): Don't remove useless values too
9852 often for very large hashtables.
9854 2006-07-27 Jan Hubicka <jh@suse.cz>
9856 PR rtl-optimization/28071
9857 * global.c (greg_obstack): New obstack.
9858 (allocate_bb_info): Use it.
9859 (free_bb_info): Likewise.
9860 (modify_reg_pav): Likewise.
9862 2006-07-27 Roger Sayle <roger@eyesopen.com>
9864 * builtins.c (fold_fixed_mathfn): When long and long long are the
9865 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9866 functions to their lceil*, lfloor*, lround* and lrint* forms.
9868 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9871 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9873 (rev_branch_insn): Likewise.
9875 2006-07-27 Jan Hubicka <jh@suse.cz>
9877 PR rtl-optimization/28071
9878 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9879 (reg_set_in_bb, max_reg_computed): New static variables.
9880 (regmove_optimize): Free the new array.
9881 (fixup_match_1): Update call of reg_is_remote_constant_p.
9883 2006-07-26 Jan Hubicka <jh@suse.cz>
9885 PR tree-optimization/27882
9886 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9888 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9890 (cgraph_analyze_compilation_unit): Likewise.
9891 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9892 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9893 (cgraph_early_inlinine): Make order garbage collected.
9894 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9896 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9898 * dbxout.c (output_types_sort): Add a comment.
9899 (output_used_types): Free the VEC.
9901 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9903 * function.c (reorder_fix_fragments): Delete.
9904 (reorder_blocks): Don't call it.
9905 (reorder_blocks_1): Put all subblocks under the origin block.
9907 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9909 PR rtl-optimization/27907
9910 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9913 2006-07-25 Roger Sayle <roger@eyesopen.com>
9916 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9917 bar(x) check that bar's result type can represent all the values of T.
9919 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9921 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9923 2006-07-25 Nick Clifton <nickc@redhat.com>
9925 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9926 size_lookup[] array.
9927 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9928 (ggc_pch_count_object): Likewise.
9929 (ggc_pch_alloc_object): Likewise.
9930 (ggc_pch_write_object): Likewise.
9931 (init_ggc): Do not attempt to initialize entries in the
9932 size_lookup[] array for objects whose size is greater than than
9933 the length of the array.
9935 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9937 * dbxout.c (output_used_types_helper): Push queued types
9939 (output_types_sort): New.
9940 (output_used_types): Collect used types on a VEC and sort them
9943 2006-07-24 Richard Guenther <rguenther@suse.de>
9946 * cgraph.c (cgraph_remove_node): Do not check if dumps
9948 * cgraphunit.c (cgraph_optimize): Likewise.
9950 2006-07-24 Jan Hubicka <jh@suse.cz>
9952 PR rtl-optimization/28071
9953 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9954 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9955 splitting before first stmt.
9957 2006-07-24 Jan Hubicka <jh@suse.cz>
9959 PR rtl-optimization/28071
9960 * ipa-inline.c (update_caller_keys): Remove edges that
9961 are no longer inline candidates.
9963 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9966 * dbxout.c (output_used_types_helper, output_used_types): New.
9967 (dbxout_symbol): Call output_used_types.
9969 2006-07-23 Jan Hubicka <jh@suse.cz>
9973 * cgraph.c (cgraph_varpool_nodes): Export.
9974 (decide_is_variable_needed): Ignored "used" attribute in
9975 unit-at-a-time mode.
9976 * cgraph.h (cgraph_varpool_nodes): Declare.
9977 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9978 unit-at-a-time mode.
9980 2006-07-23 Roger Sayle <roger@eyesopen.com>
9983 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9984 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9985 the __gthrw form of thr_keycreate.
9986 (__gthread_key_delete): Silence the unused argument warning.
9988 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9991 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9992 Cache the last found '\0' marker to avoid quadratic behavior.
9994 2006-07-23 Jan Hubicka <jh@suse.cz>
9996 * i386.md (subsi_3_zext): Fix output template.
9998 2006-07-21 Mike Stump <mrs@apple.com>
10000 * doc/invoke.texi (C++ Dialect Options): Note that
10001 -fvisibility-inlines-hidden doesn't affect explicitly
10002 instantiationed inline methods.
10004 2006-07-20 Roger Sayle <roger@eyesopen.com>
10006 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10007 if the target assembler is GNU binutils' gas.
10008 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10009 whether to pass GNU gas or native as command line options.
10011 2006-07-20 Jason Merrill <jason@redhat.com>
10013 * tree.c (remove_attribute): New fn.
10014 * tree.h: Declare it.
10016 2006-07-20 Paul Brook <paul@codesourcery.com>
10019 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10020 they are invalidated by this instruction.
10022 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10025 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10027 2006-07-20 Eric Christopher <echristo@apple.com>
10030 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10032 2006-07-19 Eric Christopher <echristo@apple.com>
10034 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10035 Rewrite dependencies for libgcc_s.1.dylib.
10037 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10039 * except.c (duplicate_eh_regions_1): Clear next_peer.
10041 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10043 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10044 -mlongcall does not guarantee all calls will be long.
10045 * doc/extend.texi (long_call/short_call): Document that longcall
10046 does not guarantee a long call will be used.
10047 (longcall/shortcall): Likewise.
10049 2006-07-18 Roger Sayle <roger@eyesopen.com>
10051 PR middle-end/28283
10052 * expmed.c (expand_shift): Additionally check that the shift_cost
10053 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10054 before implementing a LSHIFT_EXPR as a sequence of additions.
10055 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10056 middle-end that DImode shifts need to be synthesized by expand.
10058 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10061 * tree-ssa-operands.c (access_can_touch_variable): Update
10063 Return true if ALIAS is .GLOBAL_VAR.
10065 2006-07-18 David Daney <ddaney@avtrex.com>
10067 * gcc.c (display_help): Fix typo in help text.
10069 2006-07-18 Olivier Hainque <hainque@adacore.com>
10071 * tree.h (categorize_ctor_elements): Adjust prototype and add
10072 descriptive comment, both in accordance with the interface change
10074 * varasm.c (constructor_static_from_elts_p): New function.
10075 Whether a constructor node is a valid static constant initializer
10076 if all its elements are.
10077 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10078 * output.h: Declare it.
10079 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10080 is a valid constant initializer instead of computing the number of
10081 non-constant elements. Use constructor_static_from_elts_p for this
10082 purpose. Replace the head comment with an indication that this is a
10083 helper for categorize_ctor_elements.
10084 (categorize_ctor_elements): Same interface change as for the _1
10085 helper. Former head comment from this helper moved here, adjusted to
10086 account for the interface changes.
10087 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10088 (all_zeros_p): Likewise.
10089 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10090 static versions of the constructor from the categorize_ctor_elements
10091 return value instead of the formerly computed number of non-constant
10094 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10096 * configure: Regenerate.
10097 * Makefile.in (build_libsubdir): New configure substitution
10098 (build_libobjdir): New variable.
10099 (BUILD_LIBIBERTY): Use it.
10101 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10104 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10106 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10109 * c-common.c (handle_weakref_attribute): Ignore attribute in
10110 the same conditions the alias attribute is ignored.
10112 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10114 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10115 (dbxout_begin_prologue): Increment scope_labelno.
10117 2006-07-17 Richard Henderson <rth@redhat.com>
10120 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10123 2006-07-17 Roger Sayle <roger@eyesopen.com>
10124 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10126 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10127 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10128 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10129 functions such as sbrk, write, etc.. Add function prototypes.
10130 Convert function declarations from K&R to ISO C. Cast pointers
10131 to "long" and "unsigned long" instead of "int" and "unsigned int".
10132 Convert tokens following #endif into comments.
10134 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10136 * invoke.texi: Remove mention of f77; Reformat table for
10137 inline parameter options correctly; mention that -malign-double
10138 is default on x86-64 targets.
10140 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10142 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10143 (convert_affine_scev, chrec_convert_aggressive): Use
10144 avoid_arithmetics_in_type_p. Do not check for the subtypes
10147 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10149 PR middle-end/28403
10150 * optabs.c (expand_doubleword_shift): Wrap the call to
10151 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10153 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10155 PR middle-end/28402
10156 * optabs.c (expand_binop): Pass next_methods rather than methods
10157 to expand_doubleword_shift.
10159 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10162 * tree.h (dump_addr): Declare.
10163 * print-tree.c (dump_addr): New function.
10164 (print_node_brief, print_node): Use it.
10165 * print-rtl.c (print_rtx): Likewise.
10166 * common.opt (-fdump-noaddr): New option.
10167 * doc/invoke.texi (-fdump-noaddr): Document.
10168 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10169 (ve_info_hash): Likewise.
10171 2006-07-13 Andrew Haley <aph@redhat.com>
10173 PR tree-optimization/19505
10174 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10175 edge leaving this block, make sure that the destination of this
10176 block has only one predecessor.
10178 2006-07-17 Richard Guenther <rguenther@suse.de>
10180 PR tree-optimization/28238
10181 * tree-inline.c (copy_bb): Check if we produced valid
10182 gimple copying and substituting a stmt. If not, gimplify
10185 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10187 * optabs.c (maybe_encapsulate_block): New function extracted from...
10188 (emit_libcall_block): ...here. Invoke it on the block of insns to
10189 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10190 (emit_no_conflict_block): Likewise.
10192 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10194 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10196 2006-07-15 Roger Sayle <roger@eyesopen.com>
10198 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10199 a new NOP_EXPR case of the switch statement.
10201 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10203 PR middle-end/28160
10204 * stor-layout.c (place_field): Take the bit field with
10205 an excessive size into account in the ms-bitfiled case.
10207 PR middle-end/28161
10208 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10209 the previous bit field.
10211 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10214 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10216 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10218 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10219 signal frames correctly even when the signal was installed with
10222 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10224 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10225 (dbxout_function_end): Use local label LFBB. Remove hook
10227 (dbxout_source_line): Use local label LFBB.
10228 (dbxout_block): Likewise.
10229 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10230 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10231 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10232 and DBX_OUTPUT_NFUN.
10234 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10236 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10238 2006-07-13 Jan Hubicka <jh@suse.cz>
10240 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10242 * output.h (align_variable): Declare.
10243 * varasm.c (align_variable): Export.
10244 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10245 when basic block changed.
10247 2006-07-13 Nick Clifton <nickc@redhat.com>
10249 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10250 walking the LOG_LINKS chain.
10252 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10254 * doc/invoke.texi (C++ Dialect Options): Explain difference
10255 between -fvisibility-inlines-hidden and setting hidden
10256 visibility explicitly.
10258 2006-07-12 Eric Christopher <echristo@apple.com>
10260 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10261 (stmp-lipo): Depend on libgcc.a.
10263 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10265 * tree.c: Fix a comment typo.
10267 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10269 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10271 (umulhisi3_r): Likewise.
10273 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10276 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10277 x < 19, vs wchar_t support.
10279 2006-07-12 Nick Clifton <nickc@redhat.com>
10281 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10282 instead of -isa=sh4.
10284 2006-07-12 Mike Stump <mrs@apple.com>
10286 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10288 2006-07-10 Eric Christopher <echristo@apple.com>
10290 * config/t-slibgcc-darwin: Rewrite.
10292 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10295 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10298 2006-07-08 Matthias Klose <doko@debian.org>
10300 * doc/sourcebuild.texi: Fix typo.
10302 2006-07-07 Mike Stump <mrs@apple.com>
10304 * toplev.c (process_options): Don't give -ffunction-sections may
10305 affect debugging warning for Mach-O.
10307 2006-07-07 James E Wilson <wilson@specifix.com>
10309 * config/mips/mips.md (cpu): Add sb1a.
10310 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10311 addition to sb1. Adjust comments to clarify SB-1A differences from
10313 (ir_sb1a_load): New. Modify bypasses to use it.
10314 (ir_sb1a_simple_alu): Likewise.
10315 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10316 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10317 (mips_issue_rate): Add PROCESSOR_SB1A.
10318 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10319 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10320 (TARGET_SB1): Add PROCESSOR_SB1A check.
10321 (TUNE_SB1): Likewise.
10323 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10324 * config/mips/mips.c (mips_store_data_bypass_p): New.
10325 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10326 store_data_bypass_p.
10328 2006-07-08 Paul Brook <paul@codesourcery.com>
10331 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10333 2006-07-07 Richard Guenther <rguenther@suse.de>
10335 PR middle-end/28268
10336 * tree.h (build_one_cst): Declare.
10337 * tree.c (build_one_cst): New function.
10338 * tree-ssa-math-opts.c (get_constant_one): Remove.
10339 (insert_reciprocals): Use build_one_cst.
10340 * fold-const.c (fold_plusminus_mult): Likewise.
10342 2006-07-07 Roger Sayle <roger@eyesopen.com>
10344 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10345 * cfgloopanal.c (dump_graph): Likewise.
10346 * dojump.c (discard_pending_stack_adjust): Likewise.
10347 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10349 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10350 * function.c (finalize_block_changes): Likewise.
10351 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10352 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10353 * rtl.c (dump_rtx_statistics): Likewise.
10354 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10356 * varray.c (dump_varray_statistics): Likewise.
10357 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10358 decode_decimal64, encode_decimal128, decode_decimal128,
10359 decimal_real_to_decimal): Likewise.
10361 2006-07-07 Richard Guenther <rguenther@suse.de>
10363 PR tree-optimization/28187
10364 * tree-vrp.c (vrp_operand_equal_p): New function.
10365 (vrp_bitmap_equal_p): Likewise.
10366 (update_value_range): Use them to compare old and new
10367 max and min values.
10369 2006-07-06 Roger Sayle <roger@eyesopen.com>
10371 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10372 a default case to switch statement to silence compiler warnings.
10374 2006-07-06 Roger Sayle <roger@eyesopen.com>
10377 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10378 the configured assembler supports the x87's ffreep mnemonic.
10379 * configure: Regenerate.
10380 * config.in: Regenerate.
10382 * config/i386/i386.c (output_387_ffreep): New function.
10383 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10384 (output_387_reg_move): Likewise.
10386 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10388 Port to hosts whose 'sort' and 'tail' implementations
10389 treat operands with leading '+' as file names, as POSIX
10390 has required since 2001. However, make sure the code still
10391 works on pre-POSIX hosts.
10392 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10393 which says you should use "tail -c +N" rather than "tail +Nc".
10394 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10396 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10398 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10401 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10404 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10405 PRE_{INC,DEC} of TFmode.
10407 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10408 Alan Modra <amodra@bigpond.net.au>
10411 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10414 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10417 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10418 Remove duplicate gtu.
10420 2006-07-05 Jason Merrill <jason@redhat.com>
10424 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10425 * c-common.c (handle_packed_attribute): So don't copy it here.
10426 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10428 2006-07-05 Mike Stump <mrs@apple.com>
10430 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10432 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10435 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10437 2006-07-05 Richard Guenther <rguenther@suse.de>
10440 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10441 TARGET_SSE2 targets if using SSE math.
10442 (*absdf2_1): Likewise.
10444 2006-07-05 Richard Guenther <rguenther@suse.de>
10446 PR tree-optimization/28162
10447 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10448 make sure to convert the operands to the correct type.
10450 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10452 PR tree-optimization/28218
10454 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10455 to calculate and free the dominator information.
10457 2006-07-04 Peter O'Gorman <peter@pogma.com>
10459 * mklibgcc.in: chmod 644 before ranlib during install.
10461 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10462 J"orn Rennecke <joern.rennecke@st.com>
10464 * configure.ac (.eh_frame data check): Use diff -b.
10466 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10469 * Makefile.in (BUILD_RTL): Add build/vec.o.
10470 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10471 (build/genextract): Delete.
10472 (build/genautomata): Likewise.
10474 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10477 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10478 128-bit IBM long doubles for ABI_V4.
10480 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10482 * tree.c (range_in_array_bounds_p): New predicate.
10483 * tree.h (range_in_array_bounds_p): Declare it.
10484 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10485 return a less conservative answer.
10486 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10487 and flag 'is_group'.
10488 (IS_ELEMENT_FOR_GROUP): New macro.
10489 (FOR_EACH_ACTUAL_CHILD): Likewise.
10490 (next_child_for_group): New helper function.
10491 (can_completely_scalarize_p): Take into account groups.
10492 (sra_hash_tree): Handle RANGE_EXPR.
10493 (sra_elt_eq): Likewise.
10494 (lookup_element): Be prepared for handling groups.
10495 (is_valid_const_index): Delete.
10496 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10497 instead of is_valid_const_index.
10498 <ARRAY_RANGE_REF>: New case.
10499 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10500 is_valid_const_index.
10501 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10502 (scan_dump): Dump info for groups too.
10503 (decide_instantiation_1): Likewise.
10504 (decide_block_copy): Assert that the element is not a group.
10505 Propagate decision to groups.
10506 (generate_one_element_ref): Handle RANGE_EXPR.
10507 (mark_no_warning): Iterate over actual childs.
10508 (generate_copy_inout): Likewise.
10509 (generate_element_copy): Likewise.
10510 (generate_element_zero): Likewise.
10511 (generate_element_init_1): Likewise.
10512 (dump_sra_elt_name): Handle RANGE_EXPR.
10514 2006-07-03 Roger Sayle <roger@eyesopen.com>
10516 PR tree-optimization/26251
10517 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10518 (thread_block): When optimizing for size refuse to thread jumps
10519 that would require duplication of blocks other than redirection
10522 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10524 * configure.ac: Fix thinko in previous check-in.
10525 * configure: Regenerate.
10527 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10530 * configure.ac (for lang...): Simplify nesting of conditionals.
10531 Test subdir_requires for non-enabled languages. Move processing
10532 of lang_opt_files and lang_tree_fiels below that test.
10533 * configure: Regenerate.
10534 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10536 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10538 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10540 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10542 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10545 2006-06-29 Jason Merrill <jason@redhat.com>
10552 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10553 * c-common.c (c_determine_visibility): Handle it here.
10554 * c-decl.c (finish_decl): Call c_determine_visibility for
10556 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10557 * tree.h: Likewise.
10558 * varasm.c (default_assemble_visibility): Likewise.
10559 * c-common.c (handle_visibility_attribute): Complain about trying
10560 to give visibility to an already defined class, or trying to change
10561 declared visibility. Always attach the attribute.
10566 * attribs.c (decl_attributes): Ignore type-in-place attributes
10567 once the type has been defined.
10569 2006-06-29 Roger Sayle <roger@eyesopen.com>
10571 PR middle-end/27428
10572 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10573 to indicate the cpplib has issued an error message for us.
10575 2006-06-29 Asher Langton <langton2@llnl.gov>
10578 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10579 insert a label at the end of an function under Mach-O.
10581 2006-06-29 Eric Christopher <echristo@apple.com>
10582 Evan Cheng <evan.cheng@apple.com>
10584 * predicates.md (vector_all_ones_operand): New.
10585 (nonimmediate_or_sse_const_operand): Ditto.
10586 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10587 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10588 (standard_sse_mode_p): Ditto.
10589 (standard_sse_constant_p): Add case for -1 vector.
10590 (ix86_expand_vector_move): Try to use.
10591 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10592 Call standard_sse_constant_opcode.
10593 (*movv4sf_internal): Ditto.
10594 (*movv2df_internal): Ditto.
10596 2006-06-29 Roger Sayle <roger@eyesopen.com>
10598 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10599 of XEXP to extract the operands of a MATCH_CODE rtx.
10601 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10603 * tree.c (tree_size): Do not waste tail padding in
10604 struct tree_string and make the size be the same as
10605 build_string will generate.
10607 2006-06-28 Jason Merrill <jason@redhat.com>
10610 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10611 may_aliases already in the tag's annotations to the bitmap.
10613 2006-06-28 Roger Sayle <roger@eyesopen.com>
10615 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10617 2006-06-28 Roger Sayle <roger@eyesopen.com>
10619 * genpreds.c (generate_switch_p): New function.
10620 (add_mode_tests): Push the new mode test down inside an AND expr
10621 if this allows the switch-suitable MATCH_CODE to be near the root.
10622 (write_match_code_switch): New function to write a MATCH_CODE as
10623 a switch statement.
10624 (write_predicate_stmts): New function to write a predicate RTX
10625 expression as a sequence of statements.
10626 (write_one_predicate_function): Use write_predicate_stmts.
10627 (write_tm_constrs_h): Likewise.
10629 2006-06-26 Fred Fish <fnf@specifix.com>
10631 * config/mips/t-sb1: New file.
10632 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10635 2006-06-26 DJ Delorie <dj@redhat.com>
10637 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10639 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10640 Jayant Sonar <jayants@kpitcummins.com>
10641 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10643 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10644 (subsi3, subsi3_1, subsi3_2): New.
10645 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10646 * config/m32c/mov.md (SI mov peephole): New.
10647 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10648 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10650 2006-06-26 Olivier Hainque <hainque@adacore.com>
10652 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10653 a CALL_EXPR target function declaration.
10655 2006-06-26 Richard Guenther <rguenther@suse.de>
10657 * tree.c (build_string): Do not waste tail padding in
10658 struct tree_string.
10660 2006-06-26 Richard Guenther <rguenther@suse.de>
10662 * ggc-page.c (init_ggc): Add missing element to size_lookup
10666 2006-06-23 Richard Guenther <rguenther@suse.de>
10668 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10669 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10670 alignment requests instead. Add verification code.
10671 Add struct tree_function_decl and struct tree_binfo size to
10672 extra_order_size_table. Add missing element to size_lookup
10675 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10677 PR middle-end/28151
10678 * fold-const.c (const_binop): Be prepared for self returning zero.
10679 Simplify code handling complex values.
10681 2006-06-24 Olivier Hainque <hainque@adacore.com>
10683 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10684 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10687 2006-06-24 Olivier Hainque <hainque@adacore.com>
10689 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10690 ARRAY_REF, so have the callback called for the low bound expression.
10692 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10694 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10695 * c-typeck.c (c_common_type): Disallow operations on decimal float
10696 types and other float types.
10697 * convert.c (convert_to_real): Don't ignore conversions involving
10698 decimal float types.
10700 2006-06-23 Olivier Hainque <hainque@adacore.com>
10702 * tree.c (max_int_size_in_bytes): New function, inspired from
10703 code in function.c:assign_temp.
10704 * tree.h (max_int_size_in_bytes): Declare.
10705 * function.c (assign_temp): Use it.
10706 * gimplify.c (create_tmp_var): Relax the assertions on the type
10707 properties, not mandating constant size any more.
10708 (force_constant_size): New static function.
10709 (gimple_add_tmp_var): Use it, forcing variable size to a
10710 constant upper bound if it is not constant on entry.
10712 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10715 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10716 for initialization and setting of one_only flag to ...
10717 (i386_pe_encode_section_info): ...here.
10718 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10719 Recheck that the symbol has not been defined.
10721 2006-06-23 Richard Guenther <rguenther@suse.de>
10723 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10724 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10725 alignment requests instead. Add verification code.
10726 Add struct tree_function_decl and struct tree_binfo size to
10727 extra_order_size_table. Add missing element to size_lookup
10730 2006-06-22 Roger Sayle <roger@eyesopen.com>
10731 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10733 PR middle-end/28131
10734 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10735 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10737 2006-06-23 Ben Elliston <bje@au.ibm.com>
10739 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10740 negate dn -- manipulate it directly.
10742 2006-06-22 Roger Sayle <roger@eyesopen.com>
10743 Steven Bosscher <stevenb.gcc@gmail.com>
10746 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10747 generated by gen_move_insn to add REG_LABEL notes if necessary.
10749 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10751 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10752 (leaf_entry): Remove use of MIN_ESA.
10754 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10756 PR rtl-optimization/28121
10757 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10760 2006-06-21 DJ Delorie <dj@redhat.com>
10762 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10764 (mulhisi3_r): Likewise.
10766 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10768 PR middle-end/28034
10769 * coverage.c (coverage_counter_alloc): Leave the index type
10771 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10774 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10776 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10777 section from the "Options for Code Generation Conventions".
10779 2006-06-21 Richard Henderson <rth@redhat.com>
10783 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10785 (global_symbolic_operand): Allow weak symbols, even if local_p.
10787 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10789 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10790 (find_interesting_uses_address): Punt if above function returns true.
10792 2006-06-21 Richard Guenther <rguenther@suse.de>
10794 * configure: Regenerated.
10796 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10798 * config/mips/mips.c (function_arg): Where one part of a
10799 complex argument is in registers and the other part in the stack,
10800 return a REG not a PARALLEL.
10802 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10804 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10805 when cross-compiling. Do not substitute libstdcxx_incdir.
10806 * configure: Regenerated.
10808 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10810 * varasm.c (mergeable_string_section): Check for embedded NULs and
10811 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10812 rather than TREE_STRING_LENGTH bytes.
10814 2006-06-21 Richard Guenther <rguenther@suse.de>
10816 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10817 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10820 2006-06-21 Richrad Guenther <rguenther@suse.de>
10822 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10823 Limit iteration over the dominators.
10825 2006-06-20 Roger Sayle <roger@eyesopen.com>
10827 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10828 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10830 2006-06-20 Richard Guenther <rguenther@suse.de>
10831 Michael Matz <matz@suse.de>
10833 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10835 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10836 * et-forest.h (et_free_pools): Prototype new function.
10837 * et-forest.c (et_free_tree_force): Free parent occurrence.
10838 (et_free_pools): New function.
10839 * dominance.c (free_dominance_info): Free et-forest alloc
10842 2006-06-20 Roger Sayle <roger@eyesopen.com>
10844 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10845 integer modes, attempt to directly construct an integer constant.
10847 * fold-const.c (native_encode_vector): Determine the size of each
10848 element from the vector type instead of the first vector element.
10850 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10851 if all of its elements/components are constant.
10852 (build_constructor_from_list): Likewise.
10854 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10856 PR tree-optimization/27331
10857 * tree-data-ref.c (free_data_ref): New function.
10858 (create_data_ref): Fail if the data reference has unknown access
10860 (free_data_refs): Use free_data_ref.
10862 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10864 PR middle-end/28075
10865 * tree-inline.c (setup_one_parameter): Strip useless
10866 type conversion before adding it to the IR.
10867 (declare_return_variable): Likewise.
10869 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10872 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10874 2006-06-19 Mike Stump <mrs@apple.com>
10876 * tree.c (variably_modified_type_p): VM arguments don't make the
10879 2006-06-19 Richard Guenther <rguenther@suse.de>
10881 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10882 type conversions after folding.
10884 2006-06-19 Richard Guenther <rguenther@suse.de>
10886 * ggc-page.c (extra_order_size_tab): Add entries with
10887 size of struct function and basic_block.
10888 (size_lookup): Extend to cover sizes up to 511.
10889 (ggc_alloc_stat): Adjust user.
10890 (ggc_pch_count_object): Likewise.
10891 (ggc_pch_alloc_object): Likewise.
10892 (ggc_pch_write_object): Likewise.
10894 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10896 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10897 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10900 2006-06-19 Denis Chertykov <denisc@overta.ru>
10902 * config/avr/libgcc.S : Correct my wrong previous commit.
10904 2006-06-19 Roger Sayle <roger@eyesopen.com>
10907 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10908 have stripped a SUBREG from the shift count, so we may need to
10909 convert_to_mode back to the type's mode before calling make_tree.
10910 Use new_amount instead of amount to avoid expanding a tree twice.
10912 2006-06-19 Richard Guenther <rguenther@suse.de>
10914 PR middle-end/28045
10915 * fold-const.c (operand_equal_p): Check if the argument types
10916 have the same precision before stripping NOPs.
10918 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10920 Fix PR tree-optimization/27341
10921 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10923 * tree-complex.c (pass_lower_complex): Update SMT usage.
10925 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10927 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10928 Add a new alternative to the constraint strings. Add move of
10929 operand 1 to 3 to the splitter definition.
10930 ("doloop_si_long"): Second contraint alternative removed.
10932 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10934 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10935 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10937 (AVR_HAVE_MOVW) Define.
10938 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10939 (ASM_SPEC): Add avr25.
10940 (LINK_SPEC): Add avr25.
10941 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10942 (base_arch_s): Add new member 'have_movw_lpmx'.
10943 (avr_arch_types): Init 'have_movw_lpmx'.
10944 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10945 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10946 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10947 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10948 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10950 (avr_file_start): Do not output '.arh' derective.
10951 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10952 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10953 * config/avr/avr.md (mcu_enhanced): Delete.
10954 (mcu_have_movw): Define.
10955 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10956 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10957 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10958 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10959 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10960 attiny861 and at86rf401 devices.
10962 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10964 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10967 2006-06-17 Karl Berry <karl@gnu.org>
10969 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10970 doc/gccint.texi, doc/install.texi (@dircategory): Use
10971 "Software development" instead of "Programming", following
10972 the Free Software Directory.
10974 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10976 * config/i386/i386.c (legitimate_tls_address)
10977 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10978 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10979 (*tls_dynamic_gnu2_combine_64): Likewise.
10981 2006-06-16 Richard Guenther <rguenther@suse.de>
10983 PR middle-end/27116
10984 * fold-const.c (negate_expr_p): Do not introduce undefined
10985 overflow in negating INTEGER_CSTs.
10986 (fold_negate_expr): Rename from negate_expr. Revert last
10987 change for folding BIT_NOT_EXPR. Change semantics to
10988 return NULL_TREE for non-simplified negations. Do not
10989 strip type conversions and unify type handling.
10990 (negate_expr): New function, wrap around fold_negate_expr
10991 but ensure building a tree always. Strip type conversions
10992 here, fold to result type.
10993 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10995 2006-06-16 Roger Sayle <roger@eyesopen.com>
10997 PR middle-end/27802
10998 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10999 that (would) return their results in stack registers.
11001 2006-06-16 Michael Matz <matz@suse.de>
11002 Richard Guenther <rguenther@suse.de>
11004 * fold-const.c (fold_truthop): Only return new tree node if
11005 we canonicalized something.
11007 2006-06-16 Richard Guenther <rguenther@suse.de>
11009 * function.h (enum function_frequency): Move declaration
11010 out of struct function.
11011 (struct function): Move bool fields and the enum to the bitfield
11012 section. Reorder elements to avoid padding. Remove unused
11013 fields left over from the RTL inliner removal.
11014 * function.c (free_after_compilation): Do not zero removed fields.
11015 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11016 (ipa-type-escape.o): Likewise.
11018 2006-06-16 Richard Guenther <rguenther@suse.de>
11020 * cgraph.h (struct cgraph_local_info): Turn bool elements
11022 (struct cgraph_node): Likewise.
11023 (struct cgraph_varpool_node): Likewise.
11025 2006-06-15 Richard Guenther <rguenther@suse.de>
11027 * fold-const.c (fold_truth_not_expr): Rename from
11028 invert_truthvalue. Give it fold_* semantics to avoid
11029 generating garbage.
11030 (invert_truthvalue): New function. Wrapper around
11031 fold_truth_not_expr.
11032 (optimize_minmax_comparison): Avoid creating garbage.
11033 (fold_unary): Use fold_truth_not_expr for folding
11035 (fold_ternary): Replace uses of invert_truthvalue with
11036 fold_truth_not_expr where applicable.
11037 * tree.h (fold_truth_not_expr): Prototype.
11039 2006-06-16 Richard Guenther <rguenther@suse.de>
11041 PR tree-optimization/27781
11042 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11043 * ipa-pure-const.c (target.h): Include.
11044 (analyze_function): Do not analyze functions that do not
11047 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11049 PR middle-end/27793
11050 * tree-dfa.c (referenced_vars_dup_list): Remove.
11051 (find_referenced_vars): Remove assert.
11052 (referenced_var_check_and_insert): Replace dup list with assert.
11053 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11054 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11056 2006-06-15 Richard Guenther <rguenther@suse.de>
11058 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11059 extra unused identifiers if not dumping.
11060 (create_variable_info_for): Likewise.
11062 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11064 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11065 (derive_constant_upper_bound): Derive more precise upper bound in
11066 common cases. Return type changed to double_int.
11067 (record_estimate): Reflect the changed return type of
11068 derive_constant_upper_bound.
11069 * double-int.c (double_int_zext, double_int_sext): Fix.
11071 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11073 * configure.ac (CFLAGS): Get them from the toplevel or from the
11074 configure invocation.
11075 * configure: Regenerate.
11076 * Makefile.in (CFLAGS): Substitute value provided by configure.
11078 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11081 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11082 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11083 rather than calling add_stmt on it.
11084 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11086 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11088 PR middle-end/27959
11089 * reload1.c (reload): Remove registers returned by update_eliminables
11090 from used_spill_regs.
11092 2006-06-13 DJ Delorie <dj@redhat.com>
11094 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11096 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11098 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11099 html__strip_dir, html__mkdir_p. Enhance install-html target.
11100 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11101 * configure: Regenerate.
11103 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11105 * fold-const.c (fold_cond_expr_with_comparison): Check for
11106 Objective-C++ as language in deciding COND_EXPR transformation.
11108 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11111 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11112 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11113 * config/sh/lib1funcs.h (SL, SL1): Define.
11114 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11115 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11116 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11117 (OBJS_Os_4_200): New variable.
11118 ($(T)libgcc-Os-4-200.a): Use it.
11119 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11120 when dividing 1 and/or by 0.
11122 2006-06-13 Roger Sayle <roger@eyesopen.com>
11124 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11125 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11126 * configure: Regenerate.
11128 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11130 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11131 for real instruction.
11133 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11135 PR middle-end/26807
11136 * haifa-sched.c (check_cfg): Handle special case.
11138 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11141 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11142 Add debug_info parameter. Chain the vars to the BLOCK instead
11143 of the BIND_EXPR if debug info are requested for them.
11144 (pop_gimplify_context): Adjust for above change.
11145 (gimple_add_tmp_var): Likewise.
11146 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11147 Add bool parameter.
11148 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11149 (convert_local_reference): Likewise.
11150 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11151 (finalize_nesting_tree_1): Request that debug info be emitted
11152 for debug_var_chain.
11154 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11156 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11157 for PR target/27863.
11159 2006-06-13 Richard Guenther <rguenther@suse.de>
11161 PR middle-end/27536
11162 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11164 2006-06-13 Richard Guenther <rguenther@suse.de>
11166 PR tree-optimization/27830
11167 * tree-inline.c (copy_body_r): For copying the operand
11168 of an ADDR_EXPR make sure to fold &* afterwards.
11170 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11172 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11173 lvalues in the fb_none case with side-effects.
11175 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11177 * tree-flow.h: Remove the prototype for
11178 compute_phi_arg_on_exit.
11179 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11180 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11183 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11185 * builtins.c (expand_builtin_return_addr): Only use
11186 frame_pointer_rtx when count == 0 and we are expanding
11187 __builtin_return_address.
11189 2006-06-12 Fred Fish <fnf@specifix.com>
11191 * config/mips/mips.c (mips_file_start): Create special section
11192 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11194 2006-06-11 Eric Christopher <echristo@apple.com>
11196 PR middle-end/27948
11197 * stor-layout.c (place_field): Remove check for
11198 remaining_in_alignment when aligning at the end of a run.
11200 2006-06-11 Eric Christopher <echristo@apple.com>
11203 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11206 2006-06-11 Roger Sayle <roger@eyesopen.com>
11209 Revert incorrect fix for PR target/27158
11210 2006-05-08 Roger Sayle <roger@eyesopen.com>
11211 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11212 of a reg_equiv_constant if the result is a legitimate constant.
11214 2006-06-11 Roger Sayle <roger@eyesopen.com>
11217 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11218 extract a CONST_VECTOR element and interpret it as an integer.
11219 (vspltis_constant): Use const_vector_elt_as_int instead of the
11220 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11221 * config/rs6000/predicates.md (easy_vector_const): Consider
11222 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11224 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11226 PR middle-end/27942
11227 * stor-layout.c (update_alignment_for_field): Don't add extra
11228 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11231 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11233 * config/mips/t-rtems: Add EL/EB multilib variants.
11235 2006-06-09 Mike Stump <mrs@apple.com>
11237 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11239 2006-06-09 David Daney <ddaney@avtrex.com>
11241 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11243 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11245 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11247 2006-06-09 Richard Guenther <rguenther@suse.de>
11249 PR tree-optimization/26998
11250 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11251 of signed types, only TYPE_MIN_VALUE is special, but for both,
11252 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11253 in this case, as is -fwrapv.
11255 2006-06-08 Mike Stump <mrs@apple.com>
11258 * config/darwin.c (darwin_asm_output_anchor): Disable
11259 -fsection-anchors on darwin for now.
11260 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11261 * rs6000/rs6000.c (optimization_options): Likewise.
11263 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11266 * config/i386/i386.c (classify_argument): Skip fields with invalid
11269 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11271 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11272 (cse_insn): Likewise for the stack_pointer_rtx.
11274 2006-06-08 Roger Sayle <roger@eyesopen.com>
11276 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11277 conditions from floating point comparisons.
11279 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11281 PR middle-end/27733
11282 * expmed.c (struct alg_hash_entry): Fix type of field T
11283 to match synth_mult argument.
11284 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11286 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11289 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11292 2006-06-08 Richard Guenther <rguenther@suse.de>
11294 PR middle-end/27116
11295 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11296 only, if overflow is defined and not trapping.
11297 (negate_expr): Likewise.
11299 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11301 PR tree-optimization/27872
11302 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11303 flag on the new exit edge of the unrolled loop.
11305 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11307 PR rtl-optimization/26449
11308 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11310 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11312 PR middle-end/27793
11313 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11314 referenced_variables with matching DECL_UID's.
11315 (find_referenced_vars): Make sure duplicate list is empty to start.
11316 (referenced_var_p): Remove.
11317 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11318 Check if var is in the list, and add if needed. Update the duplicate
11319 list if a different var is in the list with the same DECL_UID.
11320 (add_referenced_var): Call routine to check and insert.
11321 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11322 * tree-flow.h (referenced_vars_dup_list): External declaration.
11324 2006-06-07 Fred Fish <fnf@specifix.com>
11326 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11329 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11332 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11333 the imaginary and real parts of a clobbered register.
11334 Emit insn to set the imaginary part.
11336 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11338 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11339 in lieu of unwind-dw2-fde.c.
11341 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11343 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11345 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11348 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11349 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11350 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11351 V4SImode temporaries and operations instead.
11353 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11355 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11358 2006-06-06 Mike Stump <mrs@apple.com>
11360 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11361 installing during build.
11363 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11365 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11367 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11368 * config/ia64/ia64.c (params.h): New header.
11369 (ia64_optimization_options): New function to adjust parameters.
11370 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11371 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11372 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11374 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11376 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11378 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11381 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11383 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11384 Victor Kaplansky <victork@il.ibm.com>
11386 PR tree-optimization/26360
11387 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11390 2006-06-04 Roger Sayle <roger@eyesopen.com>
11391 Andrew Pinski <pinskia@physics.uc.edu>
11393 PR middle-end/27382
11394 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11395 for LABEL_DECL before calling DECL_WEAK.
11398 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11399 LABEL_DECL and PARM_DECL.
11401 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11405 * c-decl.c (grokdeclarator): Disallow variably modified types at
11406 file scope. Avoid marking shared array type of constant size as
11409 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11412 * c-common.c (fold_offsetof_1): Handle static members.
11414 2006-06-04 Eric Christopher <echristo@apple.com>
11416 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11417 (debug_rli): Output value for remaining_in_alignment.
11418 (update_alignment_for_field): Unconditionalize
11419 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11420 extra alignment code.
11421 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11422 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11423 * tree.h (record_layout_info_s): Remove prev_packed.
11424 * doc/extend.texi (ms_struct): Add documentation of format.
11426 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11428 * tree.h: Declare folding_initializer.
11429 * builtins.c (fold_builtin_constant_p): Give definite answer
11430 if folding inside an initializer.
11431 * fold-const.c: Define folding_initializer.
11432 (START_FOLD_INIT): Save and then set folding_initializer.
11433 (END_FOLD_INIT): Restore folding_initializer.
11435 2006-06-04 Richard Guenther <rguenther@suse.de>
11437 PR tree-optimization/27039
11438 * fold-const.c (fold_comparison): Handle pointer comparison
11439 again for all comparison codes. Compare offsets in signed
11441 (fold_binary): Move code from here.
11443 2006-06-03 Roger Sayle <roger@eyesopen.com>
11446 * config/i386/i386.c (construct_container): Split static issued_error
11447 flag into issued_sse_arg_error, issued_sse_ret_error and
11448 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11449 requires the use of x87 registers and the user explicitly
11450 specified the -mno-80387 command line option.
11452 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11454 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11455 HAVE_DECL_SIGALTSTACK.
11457 (segv_handler): Use MC_FLD.
11458 * configure.ac: Check for a sigaltstack declaration.
11459 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11460 * configure: Regenerate.
11461 * config.in: Regenerate.
11463 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11466 * Makefile.in (stmp-fixinc): Fix typo.
11468 2006-06-02 Roger Sayle <roger@eyesopen.com>
11470 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11471 are type correct. Clean-up.
11472 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11473 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11475 2006-06-01 DJ Delorie <dj@redhat.com>
11477 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11478 shift, as we've disabled the "switch" insn that needs it.
11480 2006-06-01 Per Bothner <bothner@bothner.com>
11482 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11483 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11484 * c-ppoutput.c (cb_define): Don't increment line 0.
11486 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11488 * doc/invoke.texi: Add cpu_type power6.
11489 * config.gcc: Add cpu_type power6.
11490 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11491 to power5+ with Altivec.
11492 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11493 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11495 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11497 * config/avr/avr.h (SET_ASM_OP): Define.
11499 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11501 * config/bfin/bfin.c: Fix comment typos.
11503 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11506 * doc/install.texi: Document --enable-bootstrap and
11507 --disable-bootstrap.
11509 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11511 * doc/install.texi: Document that InfoZIP can replace jar.
11513 2006-05-31 Roger Sayle <roger@eyesopen.com>
11515 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11516 isn't available, directly generate the simpler x87 patterns without
11517 the (use (const_int 0)).
11518 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11519 implementation isn't available.
11520 (*negdf2_1): Likewise.
11521 (*negxf2_1): XF mode negation is always done using the x87.
11522 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11524 2006-05-31 Roger Sayle <roger@eyesopen.com>
11526 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11527 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11529 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11531 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11533 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11534 * config/bfin/bfin.c (basic-block.h): Include.
11535 (struct machine_function): New.
11536 (bfin_init_machine_status): New.
11537 (override_options): Initialize init_machine_status.
11538 (bfin_hardware_loop): New.
11539 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11540 (DEF_VEC_P (loop_info)): New.
11541 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11542 (struct loop_info): New.
11543 (loop_info): New typedef.
11544 (struct loop_work): New.
11545 (loop_work): New typedef.
11546 (DEF_VEC_O (loop_work)): New.
11547 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11548 (bfin_dump_loops): New.
11549 (bfin_bb_in_loop): New.
11550 (bfin_scan_loop): New.
11551 (bfin_optimize_loop): New.
11552 (bfin_reorg_loops): New.
11553 (bfin_reorg): Use bfin_reorg_loops.
11554 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11556 (I_REGNO_P): Simplify.
11557 (DP_REGNO_P, DPREG_P): New macros.
11558 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11559 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11560 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11561 Add LT_REGS, LC_REGS, LB_REGS.
11562 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11564 (REGNO_REG_CLASS): Deal with loop registers.
11565 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11567 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11568 New constants for loop registers.
11569 (UNSPEC_LSETUP_END): New.
11570 (seq_insns): New define_attr. Set it for appropriate insns.
11571 (movsi_insn): Add alternatives for move from/to
11572 loop count registers.
11573 (doloop_end): New define_expand.
11574 (loop_end): New define_insn.
11575 (define_split for bad doloop_end): New.
11576 (lsetup_with_autoinit): New define_insn.
11577 (lsetup_without_autoinit): New define_insn.
11578 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11579 * config/bfin/predicates.md (lc_register_operand): New.
11580 (lt_register_operand): New.
11581 (lb_register_operand): New.
11582 (nondp_register_operand): New.
11583 (nondp_reg_or_memory_operand): New.
11584 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11586 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11588 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11589 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11591 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11593 * Makefile.in (CATALOGS): Add po/ prefix.
11594 * configure: Regenerated.
11596 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11599 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11600 a shift operand before calling shift_op. Avoid redundant call of
11603 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11604 DJ Delorie <dj@redhat.com>
11606 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11607 we're inserting is a singlt-bit constant.
11609 2006-05-30 Roger Sayle <roger@eyesopen.com>
11611 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11612 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11614 2006-05-30 Roger Sayle <roger@eyesopen.com>
11616 PR tree-optimization/23452
11617 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11618 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11619 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11620 complex values and with -ffast-math for FP complex values.
11622 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11624 * c-common.h: Remove the prototype for yyparse.
11625 * rtl.h: Remove the prototype for init_loop.
11627 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11629 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11632 2006-05-30 Roger Sayle <roger@eyesopen.com>
11634 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11636 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11637 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11639 2006-05-30 Dirk Mueller <dmueller@suse.de>
11642 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11643 for CONSTANT_CLASS_P expresisons.
11645 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11648 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11650 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11652 PR tree-optimization/27779
11653 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11654 initial_condition instead of CHREC_LEFT.
11656 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11658 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11659 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11660 Make prototypes ISO C90.
11662 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11663 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11665 * see.c (see_analyze_one_def): Correct check.
11666 (see_get_extension_data): Check if extension is parallel.
11667 (see_get_extension_reg): Likewise.
11669 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11672 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11673 into register for (code == GTU).
11675 2006-05-29 Roger Sayle <roger@eyesopen.com>
11677 PR tree-optimization/24964
11678 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11679 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11680 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11681 abs(x)*abs(x) as x*x for scalar floating point modes.
11683 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11685 PR middle-end/27745
11686 * lambda-code.c (perfect_nestify): Don't copy statements
11687 in the inner loop: move them to the inner loop header.
11689 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11692 * c-tree.texi: Document OpenMP directives and clauses.
11694 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11696 * varasm.c (globalize_decl): Fix indentation.
11698 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11701 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11702 pass_fre, pass_store_ccp, pass_copy_prop,
11703 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11704 pass_return_slot, pass_object_size, pass_lim,
11705 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11706 pass_loop_prefetch and pass_stdarg.
11708 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11710 * config/bfin/bfin.opt (mfdpic): New option.
11711 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11712 (EXTRA_MULTILIB_PARTS): Likewise.
11713 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11714 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11716 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11717 (CRT_CALL_STATIC_FUNCTION): New.
11718 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11720 (CRT_CALL_STATIC_FUNCTION): New.
11721 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11723 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11724 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11725 (initialize_trampoline): Changed to handle FD-PIC code generation.
11726 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11727 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11728 (override_options): Disallow -mid-shared-library -mfdpic combination.
11729 Can't do unaligned ops if FD-PIC.
11730 Turn off flag_pic if trying to generate non-id-shared-library
11731 non-fdpic code, since it's not supported.
11732 (bfin_assemble_integer): New function.
11733 (TARGET_ASM_INTEGER): Define.
11734 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11736 * config/bfin/crtn.s: Restore them.
11737 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11739 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11740 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11741 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11742 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11743 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11745 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11746 FDPIC_REGS and FDPIC_FPTR_REGS.
11747 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11748 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11749 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11750 (load_funcdescsi): New pattern.
11751 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11752 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11753 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11755 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11757 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11760 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11762 * tree-flow.h: Remove the prototype for add_type_alias.
11763 * tree-ssa-alias.c (add_type_alias): Remove.
11765 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11767 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11768 config/fr30/fr30.md, config/i386/i386-interix.h,
11769 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11770 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11771 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11772 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11773 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11774 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11775 Follow spelling conventions.
11776 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11777 Follow spelling conventions.
11779 2006-05-27 Richard Guenther <rguenther@suse.de>
11781 PR middle-end/27773
11782 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11783 to produce a constant of value 1 of generic type.
11785 2006-05-27 Dirk Mueller <dmueller@suse.de>
11787 * cgraphunit.c (decide_is_function_needed): Fix wrong
11790 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11792 PR rtl-optimization/27661
11793 * reload.c (find_reloads): When reloading a VOIDmode constant
11794 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11795 use Pmode as mode of the reload register.
11797 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11799 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11800 is enabled at -O and above.
11802 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11805 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11808 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11811 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11812 for anonymous variables explicitly declared by front ends.
11814 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11816 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11817 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11818 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11819 ref-all pointers, run a finalization pass for them.
11820 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11821 (finalize_ref_all_pointers): New function.
11822 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11823 regular pointer type to a ref-all pointer type.
11824 (get_tmt_for): Return the special memory tag for ref-all pointers.
11826 2006-05-25 Richard Guenther <rguenther@suse.de>
11828 PR middle-end/27743
11829 * fold-const.c (fold_binary): Do not look at the stripped
11830 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11832 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11834 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11835 for LT and GT if the computed range is effectively empty.
11837 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11840 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11841 mips_quad_format formats instead of ieee_single_format,
11842 ieee_double_format and ieee_quad_format formats, respectively.
11844 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11846 PR tree-optimization/27639
11847 PR tree-optimization/26719
11848 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11849 call to scev_probably_wraps_p.
11850 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11851 used_in_pointer_arithmetic_p, convert_step): Removed.
11852 (nowrap_type_p): New function.
11853 (scev_probably_wraps_p): Rewritten.
11854 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11855 chrec_convert if chrec_convert_aggressive might have been used.
11856 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11857 scev_direction): New functions.
11858 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11859 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11860 instead of convert_step.
11861 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11862 (convert_step): Declaration removed.
11863 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11865 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11867 * df-core.c: Added to header comments.
11868 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11869 df_ur_bb_info, df_urec_bb_info): Added comments.
11870 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11871 urec, ri problems): Fixed header comments.
11872 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11873 code from df_rd_transfer_function.
11875 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11877 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11878 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11879 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11881 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11883 * expr.c (undefined_operand_subword_p): New.
11884 (emit_move_multi_word): Do not generate move from undefined bits
11885 of a paradoxical subreg.
11887 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11889 PR rtl-optimization/27736
11890 * combine.c (replaced_rhs_value): New variable.
11891 (combine_instructions): Set it.
11892 (distribute_notes): When distributing a note in replaced_rhs_insn,
11893 check whether the value was used in replaced_rhs_value.
11895 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11898 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11899 add_referenced_var instead of add_referenced_tmp_var.
11900 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11901 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11902 add_referenced_var.
11903 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11904 tree_optimize_tail_calls_1): Use add_referenced_var.
11905 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11906 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11907 Use add_referenced_var.
11908 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11909 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11910 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11911 Use add_referenced_var.
11912 * tree-dfa.c (struct walk_state): Remove.
11913 (find_referenced_vars): Remove walk state and vars_found hash table.
11914 (make_rename_temp): Use add_referenced_var.
11915 (find_vars_r): Pass less parameters to add_referenced_var.
11916 (referenced_var_p): New. Is var in referenced_var hash table.
11917 (referenced_var_insert): Assert var isn't already in hash table.
11918 (add_referenced_var): Don't need walk_state parameter. Add var if it
11919 isn't already in the hash table.
11920 (add_referenced_tmp_var): Remove.
11921 (find_new_referenced_vars_1): Use add_referenced_var.
11922 * tree-ssa-pre.c (create_expression_by_pieces,
11923 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11924 Use add_referenced_var.
11925 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11926 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11927 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11928 add_referenced_var.
11929 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11930 vect_create_data_ref_ptr, vect_create_destination_var,
11931 vect_init_vector, vect_build_loop_niters,
11932 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11933 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11934 Use add_referenced_var.
11935 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11936 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11937 (add_referenced_var): Add prototype.
11938 * tree-ssa-structalias.c (get_constraint_for,
11939 intra_create_variable_infos): Use add_referenced_var.
11941 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11943 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11944 big-endian paradoxical subregs.
11945 * var-tracking.c (struct micro_operation_def): Document that,
11946 for modify micro operations, insn is the subsequent instruction.
11947 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11948 (var_reg_set, var_mem_set): ... new functions.
11949 (add_stores): Record subsequent insn.
11950 (compute_bb_dataflow): Use new functions for MO_USE.
11951 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11952 notes after the insn, and modify notes before the insn known
11953 to be the subsequent one.
11954 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11956 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11959 * config/i386/i386.c (ix86_expand_builtin): Use
11960 gen_sse3_monitor64 for TARGET_64BIT.
11962 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11964 PR rtl-optimization/26375
11965 PR rtl-optimization/26855
11966 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11968 (df_ru_bb_local_compute): Reversed statements and removed bogus
11969 comment explaining why they should be in wrong order.
11970 (df_ru_dump, df_rd_dump): Enhanced debug info.
11971 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11973 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11974 reaching uses and fixed space problem.
11976 2006-05-23 Jan Hubicka <jh@suse.cz>
11978 * cgraphunit.c (decide_is_function_needed): Also nested functions
11979 and functions declared inline can be optimized out at -O0.
11981 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11983 * doc/install.texi (Configuration): Remove reference to CrossGCC
11984 FAQ which was gone.
11987 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11990 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11991 ix86_compare_emitted is non-NULL.
11993 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11996 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11999 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12001 PR rtl-optimization/25514
12002 * combine.c (replaced_rhs_insn): New variable.
12003 (combine_instructions): Set replaced_rhs_insn when trying to replace
12004 a SET_SRC with a REG_EQUAL note.
12005 (distribute_notes): Use replaced_rhs_insn when determining the live
12006 range of a REG_DEAD register.
12008 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12009 Anatoly Sokolov <aesok@post.ru>
12011 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12012 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12013 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12014 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12015 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12016 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12017 at90usb647, at90usb1286 and at90usb1287 devices.
12018 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12019 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12021 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12023 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12025 2006-05-22 Richard Guenther <rguenther@suse.de>
12028 2006-01-31 Richard Guenther <rguenther@suse.de>
12029 Paolo Bonzini <bonzini@gnu.org>
12031 * doc/install.texi (--disable-libgcc-math): Document.
12033 2006-05-22 Richard Guenther <rguenther@suse.de>
12036 2006-01-31 Richard Guenther <rguenther@suse.de>
12038 * doc/invoke.texi (-msselibm): Document.
12039 * target.h (expand_library_builtin): New target hook.
12040 * builtins.c (expand_builtin): Use expand_library_builtin.
12041 (default_expand_library_builtin): New function.
12042 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12043 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12044 (link_gcc_math_spec): Declare.
12045 (static_specs): Add link_gcc_math_spec.
12046 * expr.h (default_expand_library_builtin): Declare.
12047 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12048 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12049 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12050 * config/i386/i386.opt (msselibm): New target option.
12051 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12052 (ix86_init_sse_abi_builtins): New function.
12053 (ix86_expand_library_builtin): Likewise.
12054 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12055 (override_options): Handle error conditions wrt -msselibm.
12056 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12057 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12058 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12061 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12064 * c-common.c (self_promoting_args_p): Skip erroneous args.
12067 * c-decl.c (finish_struct): Skip erroneous fields.
12069 2006-05-22 Nick Clifton <nickc@redhat.com>
12071 * config/cris/cris.opt (march): Remove VarExists attribute.
12072 (max-stackframe=): Likewise.
12074 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12076 * doc/rtl.texi: Fix a typo.
12077 * see.c: Fix comment typos.
12079 * tree-ssa-structalias.h (alias_info): Remove num_references.
12081 2006-05-21 Mike Stump <mrs@apple.com>
12083 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12085 (darwin_pragma_options): Use BAD instead.
12086 (darwin_pragma_unused): Likewise.
12087 (darwin_pragma_ms_struct): Likewise.
12089 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12091 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12093 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12095 PR rtl-optimization/27671
12096 * simplify-rtx.c (simplify_relational_operation_1): Fix
12097 simplifications of (eq/ne (xor x y) y) and
12098 (eq/ne (xor x y) x).
12100 PR tree-optimization/26622.
12101 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12104 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12106 * tree-cfg.c: Prune whitespace.
12107 (debug_tree_cfg): Point to correct header containing the
12110 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12112 PR middle-end/25776
12113 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12115 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12117 PR middle-end/25776
12118 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12119 or sorry count is non zero.
12121 2006-05-20 Andreas Schwab <schwab@suse.de>
12123 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12125 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12126 Kenneth Zadeck <zadeck@naturalbridge.com>
12128 PR rtl-optimization/26855
12130 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12132 (df_scan_alloc): Added code to properly handle multiword hard
12133 registers and add all_blocks parameter.
12134 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12135 code to properly handle multiword hard registers.
12136 (df_rescan_blocks): Added code to remove deleted blocks from
12138 (df_ref_create_structure, df_ref_record): Added code to properly
12140 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12141 and set DF_REF_PARTIAL.
12142 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12143 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12144 (df_scan_add_problem): Added flags parameter.
12145 (df_ref_create_structure): Changed switching structure.
12146 (df_bb_refs_record): Fixed case where duplicate artificial refs
12147 were created. Changed location of flags.
12148 (df_record_entry_block_defs): Added code to make stack pointer
12149 live in entry block. Refined cases where frame pointer is needed.
12150 Changed location of flags.
12151 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12152 (df_set_state): Removed function.
12153 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12154 df_insn_create_insn_record, df_insn_refs_delete,
12155 df_ref_create_structure): Formatting changes.
12156 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12157 df_delete_basic_block): New function.
12158 (df_init): Changed location of flags.
12159 (df_add_problem): Added flags parameter and the way flags are
12161 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12162 debug_df_chain): Improved debugging output.
12163 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12164 (df_refs_chain_dump): Removed df parameter.
12165 (df_iterative_dataflow): Added consistency check.
12166 (df_prune_to_subcfg): Made public.
12167 (df_analyze_problem): Added blocks_to_init parameter and made
12169 (df_ref_record, df_bb_refs_record, df_mark_reg,
12170 df_record_exit_block_uses): Whitespace changes.
12171 (df_dump): Whitespace changes.
12172 * df.h: Some reordering to remove forward references.
12173 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12174 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12175 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12176 (dataflow.flags): New field.
12177 (df.flag): Deleted field.
12178 (df_alloc_function): Added additional bitmap parameter.
12179 (df_dependent_problem_function): New type.
12180 (df_problem.changeable_flags): New field.
12181 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12182 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12183 (df_mw_hardreg): New struct.
12184 (DF_INSN_UID_MWS): New macro.
12185 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12187 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12188 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12189 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12190 (df_set_state): Removed function.
12191 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12192 * df-problems.c (df_chain_dump): Removed df parameter.
12193 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12194 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12196 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12197 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12198 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12199 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12200 DF_REF_MUST_CLOBBER cases.
12201 (df_ru_bb_local_compute_process_def,
12202 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12203 df_lr_bb_local_compute, df_ur_bb_local_compute,
12204 df_chain_create_bb): Made subreg aware.
12205 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12206 df_lr_bb_local_compute, df_lr_bb_local_compute,
12207 df_chain_create_bb): Cleanup to use proper macros.
12208 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12209 code to fixup bitvectors.
12210 (df_ri_alloc): Cleared lifetime.
12211 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12212 df_create_unused_note): New function.
12213 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12214 REG_DEAD and REG_UNUSED notes as well as register information.
12215 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12216 df_chains_dump): Fixed crash if problem was never run.
12217 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12218 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12219 df_ri_add_problem): Processes flags in uniform manner.
12220 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12221 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12222 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12223 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12224 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12225 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12226 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12227 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12228 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12229 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12230 * see.c (see_initialize_data): Ditto.
12231 * final.c (rest_of_clean_state) Added regstack_completed.
12232 * rtl.h (regstack_completed): Ditto.
12233 * reg-stack.c (regstack_completed): Ditto.
12235 2006-05-19 Mike Stump <mrs@apple.com>
12237 * c-tree.h (default_conversion): Remove.
12238 * c-common.h (default_conversion): Add.
12240 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12242 * tree-vrp.c (valid_value_p): New function.
12243 (adjust_range_with_scev): Fail if the value of bound is not
12246 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12248 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12249 (mips_fallback_frame_state): Use syscall numbers to determine
12250 the appropriate li instruction for the current ABI. Only use
12251 __NR_sigreturn for o32.
12253 2006-05-19 Nicolas Setton <setton@adacore.com>
12255 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12256 * langhooks.c (lhd_dwarf_name): New function.
12257 * langhooks-def.h (lhd_dwarf_name): Declare.
12258 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12259 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12261 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12263 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12265 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12266 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12267 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12268 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12269 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12270 determine the size of Wtype, etc.
12271 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12272 (swfloatfuncs): New variable.
12273 (dwfloatfuncs): Likewise.
12274 (lib2funcs): Remove floating-point conversion functions from
12275 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12276 the set of conversion routines needed. Allow entries to specify
12277 an object name, filename and word size. Update users accordingly.
12278 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12279 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12283 2006-02-08 Roger Sayle <roger@eyesopen.com>
12286 * config/fixtfdi.c: New libgcc source file.
12287 * config/fixunstfdi.c: New source file.
12288 * config/floatditf.c: New source file.
12289 * config/floatunditf.c: New souce file.
12290 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12291 files above instead of config/mips/_tilib.c.
12292 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12294 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12296 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12297 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12299 2006-05-18 Mike Stump <mrs@apple.com>
12301 Fix up vla, vm and [*] sematics.
12307 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12308 (c_vla_unspec_p): Add.
12309 (c_vla_type_p): Add.
12310 * c-decl.c (struct c_scope): Add had_vla_unspec.
12311 (build_array_declarator): Add support for [*].
12312 (grokdeclarator): Likewise.
12313 (grokparms): Likewise.
12314 (get_parm_info): Likewise.
12315 * c-objc-common.c (c_vla_unspec_p): Likewise.
12316 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12317 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12318 typeof when argument is a variably modified type not inside sizeof or alignof.
12319 (c_parser_direct_declarator_inner): Propagate errors.
12320 (c_parser_sizeof_expression): Add support for [*].
12321 (c_parser_parms_declarator): Initialize had_vla_unspec.
12322 (c_parser_parms_list_declarator): Likewise.
12323 * c-typeck.c (c_vla_type_p): Add.
12324 (composite_type): Add support for vla compositing.
12325 (comptypes_internal): Add support for vla compatibility.
12326 (c_expr_sizeof_expr): Evaluate vla arguments.
12327 * tree.c (variably_modified_type_p): Update comment for [*].
12329 2006-05-18 Michael Matz <matz@suse.de>
12332 * config.host: Make assignments to host_xmake_file cumulative.
12333 * config.host (*-darwin*): Test $host, not $target.
12335 2006-05-12 Stuart Hastings <stuart@apple.com>
12337 * config/i386/i386.opt (-mstackrealign): New flag.
12338 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12339 (ix86_handle_cconv_attribute): Emit error when
12340 force_align_arg_pointer attribute collides with too many regparms.
12341 (ix86_function_regparm): Limit regparms when used with
12342 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12343 Support stack-realigning prologue in non-main functions. Emit
12344 warning for nested functions under -mstackrealign, emit error for
12345 nested functions with force_align_arg_pointer attribute.
12346 * doc/extend.texi (force_align_arg_pointer): Document it.
12347 * doc/invoke.texi (-mstackrealign): Document it.
12349 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12351 PR rtl-optimization/27477
12352 * combine.c (try_combine): Don't split a parallel consisting
12353 of two sets into two individual sets if both sets reference
12356 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12358 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12359 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12361 * doc/options.texi (VarExists): Updated.
12363 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12365 * unwind-dw2.c: Add declarations for uw_update_context and
12366 uw_frame_state_for.
12367 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12368 detected, advance frame state and context once to skip over stub.
12370 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12372 PR middle-end/20256
12373 PR middle-end/26435
12374 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12375 Call rewrite_into_loop_closed_ssa only when something changed.
12376 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12377 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12378 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12379 Test for perfect_nest_p here. Fix formating.
12380 (replace_uses_equiv_to_x_with_y): Fix formating.
12381 (stmt_uses_op): Removed.
12382 (can_convert_to_perfect_nest): Removed loopivs parameter.
12383 Complete the test by checking the scalar dependences.
12384 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12387 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12390 From Dan Kegel <dank@kegel.com>:
12391 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12393 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12395 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12396 if the element type is variably modified without recursing.
12398 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12400 PR middle-end/27332
12401 * tree-loop-linear.c (try_interchange_loops): Test for
12402 no data dependences.
12404 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12406 PR tree-optimization/27548
12407 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12408 range of ssa names that appear on abnormal edges.
12409 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12410 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12412 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12414 PR middle-end/27620
12415 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12417 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12419 PR middle-end/27415
12420 * tree.h (OMP_PARALLEL_COMBINED): Define.
12421 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12422 (new_omp_context): Add is_combined_parallel argument.
12423 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12424 new_omp_context caller.
12425 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12426 Adjust gimplify_scan_omp_clauses callers.
12427 (omp_is_private): Issue errors if iteration variable is firstprivate
12428 or reduction in the current context.
12429 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12430 on combined parallel workshare constructs.
12432 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12434 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12435 (gcc-options.o): New rule.
12437 * optc-gen.awk: Protect variables for gcc-options.o with
12438 #ifdef GCC_DRIVER/#endif.
12440 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12442 Fix PR tree-optimization/27373
12443 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12444 (forward_propagate_addr_expr): Update call.
12446 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12448 * doc/options.texi: Move the Negative option.
12450 2006-05-16 Richard Guenther <rguenther@suse.de>
12452 PR tree-optimization/22303
12453 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12455 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12456 ccp_fold did not simplify the statement.
12458 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12461 * Makefile.in (GCC_OBJS): New.
12462 (OBJS-common): Add opts-common.o.
12463 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12464 (cpp$(exeext)): Likewise.
12465 (gcc.o): Also depend on opts.h.
12466 (opts-common.o): New.
12468 * common.opt (gcoff): Add Negative(gdwarf-2).
12469 (gdwarf-2): Add Negative(gstabs).
12470 (gstabs): Add Negative(gstabs+).
12471 (gstabs+): Add Negative(gvms).
12472 (gvms): Add Negative(gxcoff).
12473 (gxcoff): Add Negative(gxcoff+).
12474 (gxcoff+): Add Negative(gcoff).
12475 * config/i386/i386.opt (m32): Add Negative(m64).
12476 (m64): Add Negative(m32).
12478 * doc/options.texi: Document the Negative option.
12480 * gcc.c: Include "opts.h".
12481 (main): Call prune_options after expandargv.
12483 * optc-gen.awk: Generate common declarations for all flag
12484 variables in options.c. Output the neg_index field.
12486 * opts.c (find_opt): Moved to ...
12487 * opts-common.c: Here. New file.
12489 * opts.h (cl_option): Add a neg_index field.
12491 (prune_options): Likewise.
12493 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12495 PR middle-end/27573
12496 * omp-low.c (expand_omp_parallel): Don't assert
12497 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12498 instead search for it.
12501 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12504 2006-05-16 Andreas Schwab <schwab@suse.de>
12506 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12509 2006-05-15 Roger Sayle <roger@eyesopen.com>
12512 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12513 integer constants other than zero are only legitimate on TARGET_64BIT.
12514 <CONST_VECTOR> Only zero vectors are legitimate.
12515 (ix86_cannot_force_const_mem): Integral and vector constants can
12516 always be put in the constant pool.
12518 2006-05-16 DJ Delorie <dj@redhat.com>
12520 * crtstuff.c (__dso_handle): Set section from
12521 TARGET_LBIGCC_SDATA_SECTION if defined.
12522 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12523 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12525 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12528 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12531 2006-05-16 Ben Elliston <bje@au.ibm.com>
12533 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12535 2006-05-15 Per Bothner <per@bothner.com>
12537 * tree.c: (last_annotated_node): Use source_locus typedef.
12538 This permits bootstrapping with --enable-mapped-location.
12540 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12542 PR tree-optimization/26830
12543 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12544 (info_for_ssa_name, current_info_for_ssa_name_age,
12545 blocks_to_update): New variables.
12546 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12547 (clear_ssa_name_info, initialize_flags_in_bb,
12548 mark_block_for_update): New functions.
12549 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12550 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12551 prepare_def_site_for): Use mark_block_for_update.
12552 (mark_def_interesting): Assert that the processed block is marked in
12553 blocks_to_update. Do not take blocks argument.
12554 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12556 (rewrite_update_init_block, rewrite_update_stmt): Only process
12557 blocks with statements to rewrite.
12558 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12559 (update_ssa): Initialize and free blocks_to_update. Do not
12560 clear flags on statements. Do not use blocks bitmap.
12561 * tree.h (SSA_NAME_AUX): Removed.
12562 (struct tree_ssa_name): Removed aux field.
12563 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12565 2006-05-15 Richard Guenther <rguenther@suse.de>
12567 PR tree-optimization/27603
12568 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12569 Do computations in original type.
12571 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12573 * see.c: Code style changes such as redundant paranthesis,
12574 redundant intialization of local variables etc.
12575 (see_main): Declared now as static.
12576 * doc/invoke.texi: Update that -fsee is not enabled by
12579 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12581 * omp-low.c (check_omp_nesting_restrictions): New function.
12582 (scan_omp_1): Call it.
12584 PR middle-end/27416
12585 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12586 construct, return *VAR.
12588 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12590 PR rtl-optimization/27406
12591 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12594 2006-05-14 Roger Sayle <roger@eyesopen.com>
12596 PR rtl-optimization/27538
12597 * combine.c (expand_compound_operation): Call gen_lowpart
12598 before calling simplify_shift_const.
12600 2006-05-14 Roger Sayle <roger@eyesopen.com>
12602 PR rtl-optimization/22563
12603 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12604 a fixed width bitfield, always force the intermediates into psuedos.
12606 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12609 * mkconfig.sh: Use operator = instead of == for test.
12611 2006-05-13 Nick Clifton <nickc@redhat.com>
12613 * dwarf2out.c (dbx_reg_number): Check return value from
12614 LEAF_REG_REMAP and only use it if it is valid.
12615 (multiple_reg_loc_descriptor): Likewise.
12617 2006-05-13 Richard Guenther <rguenther@suse.de>
12619 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12622 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12624 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12625 information attached to non-INSNs such as NOTEs.
12626 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12628 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12630 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12632 * config/s390/s390.md: Adjust comment describing On constraint.
12634 2006-05-11 Jan Hubicka <jh@suse.cz>
12636 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12637 to be output at -O0.
12639 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12641 PR middle-end/27384
12642 * fold-const.c (size_binop): Move sanity check for arguments to
12643 the beginning of the function.
12645 PR middle-end/27488
12646 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12649 2006-05-11 Richard Guenther <rguenther@suse.de>
12651 PR middle-end/27529
12652 * fold-const.c (fold_unary): Handle intermediate conversion
12653 to a pointer type like intermediate conversion to an integer
12654 type in folding of (T1)(T2)var to var.
12655 Match the code to the comment in the final conversion for
12656 (T1)(T2)var to (T1)var regarding to type precision. Rather
12657 than disallow T1 being of pointer type, assert that both T1
12658 and var are of pointer type or not. Make sure not to fall
12659 over the frontends lazyness wrt array to pointer decay though.
12661 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12663 * arm.c (arm_struct_value_rtx): Delete.
12664 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12665 (arm_init_cumulative_args): Always initialize nregs to zero.
12667 2006-05-10 Richard Guenther <rguenther@suse.de>
12669 PR tree-optimization/27532
12670 * tree-object-size.c (plus_expr_object_size): Fix typo.
12672 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12675 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12676 ashrdi_const, ashrdi3): Use a scratch register.
12678 2006-05-10 Richard Guenther <rguenther@suse.de>
12680 PR tree-optimization/27302
12681 * fold-const.c (operand_equal_p): For two comparisons,
12682 try comparison of one comparison code swapped if that yields
12685 2006-05-10 Ben Elliston <bje@au.ibm.com>
12687 * tree-pretty-print.c (pretty_print_string): No need to handle
12688 '\0' as a special character.
12690 * tree.h: Include "hashtab.h".
12691 (iterative_hash_expr): Use hashval_t in its prototype.
12692 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12694 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12697 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12698 (hppa*64*-*-hpux11*): Ditto.
12699 (hppa[12]*-*-hpux11*): Ditto.
12701 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12704 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12706 2006-05-09 Michael Matz <matz@suse.de>
12708 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12709 host_extra_gcc_objs and host_xmake_file.
12710 (<*-*-linux*>): Don't overwrite host_xmake_file.
12711 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12712 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12713 (host_detect_local_cpu): Declare.
12714 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12715 * config/i386/i386.c (override_options): Handle -mtune=native
12717 * config/i386/x-i386: New file.
12718 * config/i386/driver-i386.c: New file.
12719 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12722 2006-05-09 Dirk Mueller <dmueller@suse.de>
12723 Richard Guenther <rguenther@suse.de>
12725 PR middle-end/27498
12726 * fold-const.c (fold_read_from_constant_string): Relax check
12727 for matching types to matching modes.
12729 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12731 PR rtl-optimization/27335
12732 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12735 2006-05-08 Chao-ying Fu <fu@mips.com>
12736 Richard Sandiford <richard@codesourcery.com>
12738 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12739 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12740 * config/mips/mips.md (UNSPEC_SCC): New constant.
12741 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12742 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12743 (mips_emit_compare): Use it.
12744 (mips_expand_vcondv2sf): New function.
12746 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12748 Fix PR tree-optimization/27093
12749 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12750 renaming when they become not-used_alone.
12752 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12754 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12755 relocation and relocation stubs.
12757 2006-05-08 Eric Christopher <echristo@apple.com>
12759 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12762 2006-05-08 Jan Hubicka <jh@suse.cz>
12764 PR middle-end/24561
12765 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12766 unused static functions are needed.
12768 2006-05-08 Roger Sayle <roger@eyesopen.com>
12771 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12772 of a reg_equiv_constant if the result is a legitimate constant.
12774 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12777 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12778 standard 80387 constants, raise the cost to prevent
12779 compress_float_constant() to generate load from memory.
12781 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12783 * config/arm/constraints.md (c): Fix a typo.
12785 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12788 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12791 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12793 (_mm_mwait): Likewise.
12795 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12797 (sse3_monitor): Make it 32bit only.
12798 (sse3_monitor64): New. 64bit monitor.
12800 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12803 * config/i386/i386.c (classify_argument): Skip fields with invalid
12806 2006-05-07 Richard Guenther <rguenther@suse.de>
12808 PR tree-optimization/27409
12809 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12810 Do not try to find zero-sized subvars.
12812 2006-05-07 Richard Guenther <rguenther@suse.de>
12814 PR tree-optimization/27136
12815 * tree-ssa-loop-niter.c (get_val_for): Correct function
12816 comment, assert requirements.
12817 (loop_niter_by_eval): Stop processing if the iterated
12818 value did not simplify.
12820 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12822 * opts.c (flag_see): remove its setting at -O3.
12824 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12826 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12827 * arm/constraints.md: New file.
12828 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12829 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12830 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12831 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12832 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12833 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12834 * arm.md: Include constraints.md.
12835 (thumb_movsi_insn): Use satisfies_constraint_J.
12836 (movhi, movqi): Use satisfies_constraint_I.
12838 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12840 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12841 for atmeg a645 device.
12843 2006-05-06 Richard Guenther <rguenther@suse.de>
12845 PR tree-optimization/27151
12846 * tree-vect-transform.c (vectorizable_condition): Punt on
12847 values that have a different type than the condition.
12849 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12852 * c-parser.c (c_parser_cast_expression): Only insert casts into
12853 hash table if pointer.
12854 * function.c (used_types_insert_helper): Rename from
12856 (used_types_insert): Call used_types_insert_helper.
12857 * function.h (used_types_insert): Accept only one argument.
12859 2006-05-05 David Edelsohn <edesohn@gnu.org>
12861 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12862 scratch with output modifier.
12864 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12867 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12868 with output modifier.
12870 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12873 * config/mips/mips.c (mips_symbolic_address_p): Return true
12874 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12875 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12877 2006-05-04 Richard Guenther <rguenther@suse.de>
12879 PR tree-optimization/14287
12880 PR tree-optimization/14844
12881 PR tree-optimization/19792
12882 PR tree-optimization/21608
12883 PR tree-optimization/27090
12884 * tree-ssa-pre.c (try_combine_conversion): New function.
12885 (compute_avail): After constructing the value-handle
12886 expression, use try_combine_conversion to combine NOP_EXPRs
12887 with previous value-handle expressions and use the result if it
12890 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12892 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12894 2006-05-04 Jan Hubicka <jh@suse.cz>
12896 PR middle-end/25962
12897 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12899 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12901 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12902 that this only matches CONST_INTs. All users changed to VOIDmode
12905 * config/bfin/bfin.c: Include "optabs.h".
12906 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12908 (enum bfin_builtins): Add a number of fractional and vector builtins.
12909 (bfin_init_builtins): Likewise.
12910 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12911 (safe_vector_operand, bfin_expand_binop_builtin,
12912 bfin_expand_unop_builtin): New functions.
12913 (bfin_expand_builtin): Handle the new builtins.
12914 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12917 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12920 * Makefile.in (OBJS-common): Add see.o.
12921 (see.o): Add dependencies.
12922 * common.opt (fsee): New flag for the see optimization was added.
12923 * opts.c (flag_see): Initialized.
12924 * passes.c (init_optimization_passes, pass_see): New pass.
12925 * rtl.h (see_main): Declaration as extern.
12926 * timevar.def (TV_SEE): New.
12927 * tree-pass.h (pass_see): Declaration as extern.
12928 * invoke.texi (-fsee): Document.
12929 * recog.c (validate_simplify_insn): New function.
12930 * recog.h (validate_simplify_insn): Declaration as extern.
12931 * df-problems.c (df_chain_dump): Check for NULL.
12933 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12934 Daniel Berlin <dberlin@dberlin.org>
12936 * cfgrtl.c (insert_insn_bb_end_new): New function.
12937 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12939 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12941 * df.h (struct web_entry): Moved from web.c.
12942 (union_defs): Declaration as extern.
12943 (unionfind_root): Likewise.
12944 (unionfind_union): Likewise.
12945 * web.c (struct web_entry): Moved to df.h.
12946 (unionfind_root): Remove static declaration.
12947 (unionfind_union): Likewise.
12948 (union_defs): Likewise and generalize to use callback function.
12949 (web_main): Update arguments for union_defs function call.
12951 2006-05-04 Richard Guenther <rguenther@suse.de>
12953 PR tree-optimization/26447
12954 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12955 produce SSA_NAME copies before the store stmt to avoid
12956 breaking exception handling.
12958 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12960 PR middle-end/27388
12961 * gimplify.c (omp_is_private): If var is shared in some outer context,
12962 return false instead of true. Stop searching on parallel context
12965 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12968 * coverage.c: Use get_gcov_unsigned_t() instead of
12969 unsigned_type_node all over.
12971 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12973 PR tree-optimization/27381
12974 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12975 maintain the same immediate_use links.
12976 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12977 node rather than segfaulting.
12979 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12982 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12983 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12984 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12986 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12988 Fix PR tree-optimization/26626
12989 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12991 * tree-ssa-operands.c (access_can_touch_variable): Allow
12992 typecasting through union pointers.
12994 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12997 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12998 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12999 to find if var will be a global variable even in the nested context.
13000 (omp_copy_decl): Only check for global variable at the end, it might
13001 be overridden in outer contexts.
13002 (scan_sharing_clauses): For global variables don't create a field.
13003 (lower_rec_input_clauses): Do nothing for global shared variables.
13004 Emit a barrier at the end of ILIST if there were any decls in both
13005 firstprivate and lastprivate clauses.
13006 (lower_send_clauses): Do nothing for global variables except for
13009 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13011 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13012 of the correct signedness is returned.
13014 2006-05-02 Jeff Law <law@redhat.com>
13016 PR tree-optimization/27364
13017 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13018 multiply expressions.
13020 2006-05-02 Tom Tromey <tromey@redhat.com>
13022 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13024 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13027 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13028 -mthumb -fPIC are used.
13030 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13031 Joshua Kinard <kumba@gentoo.org>
13034 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13035 with 64-bit pointers.
13037 2006-05-02 Paul Brook <paul@codesourcery.com>
13039 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13041 (create_fix_barrier): Check that a suitable barrier location is
13043 (arm_reorg): Include ftmp->address in allowable range of addresses.
13045 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13048 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13051 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13053 PR middle-end/27337
13054 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13055 around RESULT_DECL for result passed by reference.
13056 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13057 * omp-low.c (use_pointer_for_field): Don't look at
13058 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13059 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13060 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13061 time or var for passing by reference for
13062 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13063 TREE_ADDRESSABLE variables when passing by reference.
13065 * omp-low.c (dump_omp_region): Fix output formatting.
13067 PR middle-end/27328
13068 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13069 (expand_omp_parallel): Likewise.
13070 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13072 PR middle-end/27325
13073 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13074 on statement list containing also constructors and destructors.
13075 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13077 PR middle-end/27310
13078 * except.c (duplicate_eh_regions): Fix clearing of
13079 cfun->eh->region_array entries.
13081 2006-05-01 DJ Delorie <dj@redhat.com>
13083 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13085 (gcc_cv_objdump): Likewise.
13086 * configure: Regenerated.
13088 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13091 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13092 templates for case 3 and 4.
13094 2006-05-01 DJ Delorie <dj@redhat.com>
13096 * vec.c: Include bconfig.h when appropriate.
13097 * Makefile.in (build/vec.o): Adjust dependencies.
13098 * mkconfig.sh: Make sure config.h isn't used for build machine
13101 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13103 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13105 (mark_phi_for_rewrite): New function.
13106 (insert_phi_nodes_for, mark_use_interesting): Call
13107 mark_phi_for_rewrite.
13108 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13109 (update_ssa): Initialize and free phis_to_rewrite.
13111 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13113 PR rtl-optimization/27291
13114 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13115 folded to a constant.
13117 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13119 PR tree-optimization/27283
13120 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13121 not whole # of iteration descriptions.
13122 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13123 uses abnormal ssa name.
13124 (niter_for_single_dom_exit): Ditto.
13125 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13126 return just the number of iterations.
13128 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13130 PR tree-optimization/27144
13131 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13132 (record_estimate): Only record constant upper bound.
13133 (infer_loop_bounds_from_undefined): Call
13134 compute_estimated_nb_iterations just once.
13135 (proved_non_wrapping_p): Renamed to ...
13136 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13137 (convert_step_widening, scev_probably_wraps_p): Call
13138 n_of_executions_at_most instead of proved_non_wrapping_p.
13139 (substitute_in_loop_info): Do not replace values in bounds.
13140 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13143 2006-05-01 Richard Henderson <rth@redhat.com>
13146 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13147 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13150 2006-05-01 Roger Sayle <roger@eyesopen.com>
13152 * c-typeck.c (parser_build_binary_op): Don't call the function
13153 unsigned_conversion_warning to spot operand/result type overflow.
13154 (build_binary_op): Instead, call convert_and_check instead of
13155 convert to report the problem when the operands are promoted.
13156 * c-common.c (unsigned_conversion_warning): Make static.
13157 * c-common.h (unsigned_conversion_warning): Delete prototype.
13159 2006-05-01 Richard Guenther <rguenther@suse.de>
13161 PR tree-optimization/26726
13162 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13164 (find_interesting_uses_address): ... we work around here
13165 by folding INDIRECT_REFs in the substituted base.
13167 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13169 * omp-low.c (dump_omp_region): Add newlines.
13171 2006-04-30 Roger Sayle <roger@eyesopen.com>
13173 * common.opt (Woverflow): New command line option.
13174 * c-common.c (constant_expression_warning): Check warn_overflow.
13175 (overflow_waring): Pass OPT_Woverflow to warning.
13176 (unsigned_conversion_warning): Likewise.
13177 (convert_and_check): Likewise.
13178 * doc/invoke.texi: Document new command line option.
13180 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13182 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13183 TARGET_NO_FP_IN_TOC for section anchors.
13184 (optimization_options): Enable section anchors for all
13185 non-"Objective" languages.
13187 2006-04-28 Eric Christopher <echristo@apple.com>
13189 * config/darwin-c.c (darwin_ms_struct): Move this
13190 (darwin_set_default_type_attributes): and this...
13191 * config/darwin.c: ... here.
13192 * config/darwin.h (darwin_ms_struct): Declare.
13194 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13198 2006-04-28 Roger Sayle <roger@eyesopen.com>
13201 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13202 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13203 an unsigned HOST_WIDE_INT.
13204 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13206 (really_start_incremental_init): No need to call convert because
13207 bitsize_zero_node is already of type bitsizetype.
13208 (push_init_level): Extract the value of constructor_index as an
13209 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13210 (process_init_element): Likewise.
13212 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13214 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13215 value before passing to make_relative_prefix.
13217 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13219 PR middle-end/27260
13220 * builtins.c (expand_builtin_memset): Expand val in original mode.
13222 2006-04-27 Eric Christopher <echristo@apple.com>
13224 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13225 with #ifndef/#endif.
13226 * config/darwin-c.c (darwin_ms_struct): New.
13227 (darwin_pragma_ms_struct): Ditto.
13228 (darwin_set_default_type_attributes): Ditto.
13229 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13230 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13231 Register ms_struct pragma.
13232 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13233 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13234 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13235 darwin_set_default_type_attributes if TARGET_MACHO.
13237 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13239 PR tree-optimization/26854
13240 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13241 * doc/tree-ssa.texi: Update immuse iterator documentation.
13242 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13244 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13245 first_safe_imm_use, next_safe_imm_use): Remove.
13246 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13247 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13248 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13249 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13250 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13251 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13252 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13253 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13254 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13255 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13256 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13257 (perfect_nestify): Use new iterator.
13258 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13260 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13261 (next_imm_name): New field in struct immediate_use_iterator_d.
13262 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13263 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13264 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13265 * tree-cfg.c (replace_uses_by): Use new iterator.
13266 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13267 * tree-ssa-operands.c (correct_use_link): Remove.
13268 (finalize_ssa_use_ops): No longer call correct_use_link.
13270 2006-04-27 Stuart Hastings <stuart@apple.com>
13272 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13273 * config/t-darwin (crt3.o): Use it.
13274 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13275 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13276 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13277 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13278 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13281 2006-04-27 Roger Sayle <roger@eyesopen.com>
13283 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13284 size, force the intermediate into a new pseudo rather instead of
13285 performing both a bitwise AND and a bitwise IOR in memory.
13287 2006-04-27 Richard Guenther <rguenther@suse.de>
13289 PR rtl-optimization/26685
13290 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13291 this one "max-flow-memory-locations".
13293 2006-04-27 Richard Guenther <rguenther@suse.de>
13295 PR tree-optimization/25148
13296 * tree-vrp.c (compare_values): Remove code dealing with
13297 comparisons against type min/max value. Honour overflow
13298 and negative constants in code dealing with comparisons
13299 of plus and minus expressions.
13300 (value_inside_range): Use fold_binary with LE_EXPR and
13301 GE_EXPR rather than compare_values.
13303 2006-04-27 Dirk Mueller <dmueller@suse.de>
13305 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13308 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13310 * basic-block.h (safe_insert_insn_on_edge): Removed.
13311 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13313 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13314 Paolo Bonzini <bonzini@gnu.org>
13316 PR middle-end/27282
13317 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13318 (simplify_and_const_int): Same.
13320 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13322 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13324 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13327 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13328 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13329 cgraph_global_info_ready.
13331 PR middle-end/26913
13332 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13335 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13336 either decl or init is error_mark_node.
13338 PR middle-end/25989
13339 * tree-flow.h (struct omp_region): Add sched_kind.
13340 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13341 instead of extracting omp for data.
13342 (expand_omp_for): Save extracted sched_kind.
13344 2006-04-25 Roger Sayle <roger@eyesopen.com>
13346 * expmed.c (store_bit_field): Also check whether the bitsize is
13347 valid for the machine's "insv" instruction before moving the
13348 target into a pseudo for use with the insv.
13349 * config/i386/predicates.md (const8_operand): New predicate.
13350 * config/i386/i386.md (extv, extzv, insv): Use the new
13351 const8_operand predicate where appropriate.
13353 2006-04-25 DJ Delorie <dj@redhat.com>
13355 * doc/install.texi (Specific): Clarify that this is not a list of
13356 supported hosts or targets.
13358 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13360 PR rtl-optimization/26725
13361 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13362 block's BB_DIRTY flag.
13364 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13366 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13369 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13370 to print an integer.
13372 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13374 * varasm.c (align_variable): New function.
13375 (get_block_for_decl): Apply align_variable to DECL before
13376 calculating section information.
13377 (assemble_variable): Split out alignment computation.
13379 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13381 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13384 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13386 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13387 MODE_PARTIAL_INT mode.
13388 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13389 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13391 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13392 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13394 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13396 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13398 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13399 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13400 MACFLAG_IH): Likewise.
13401 (movstricthi_1): Renamed from "*movstricthi".
13402 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13403 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13404 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13405 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13406 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13407 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13408 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13409 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13410 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13411 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13412 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13413 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13414 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13415 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13416 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13418 * doc/rtl.texi (ss_ashift): Improve wording.
13420 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13422 * dwarf2out.c (verify_marks_clear): New.
13423 (prune_unused_types): Call verify_marks_clear initially, not
13426 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13428 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13429 * doc/rtl.texi: Document them.
13430 * simplify-rtx.c (simplify_unary_operation,
13431 simplify_binary_operation_1): Don't abort when we see them.
13433 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13436 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13437 * configure.ac: Completely disregard languages that are not
13439 * configure: Regenerated.
13441 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13442 Richard Guenther <rguenther@suse.de>
13444 PR tree-optimization/27236
13445 * tree-inline.c (copy_body_r): Make sure to copy
13446 TREE_THIS_VOLATILE flag.
13448 2006-04-24 Richard Guenther <rguenther@suse.de>
13450 PR middle-end/26869
13451 * tree-complex.c (update_parameter_components): Don't handle
13452 unused parameters which have no default def.
13454 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13455 Richard Guenther <rguenther@suse.de>
13457 PR tree-optimization/27218
13458 * tree-inline.c (expand_call_inline): Strip useless type
13459 conversions for the return slot address.
13461 2006-04-24 Richard Guenther <rguenther@suse.de>
13463 * cfgloop.h (struct loops): Remove unused field array. Reorder
13465 (LOOP_PREFETCH): Remove.
13467 2006-04-24 Richard Guenther <rguenther@suse.de>
13469 PR tree-optimization/22525
13470 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13471 variable, adjust types of generated expressions.
13473 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13475 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13476 (tree-vect-patterns.o): Likewise.
13477 (jump.o): Likewise.
13478 (cselib.o): Likewise.
13479 (loop-doloop.o): Likewise.
13480 (regclass.o): Likewise.
13481 (reload1.o): Likewise.
13482 (explow.o): Replace target.h with $(TARGET_H).
13483 (ipa-prop.o): Likewise.
13484 (ipa-cp.o): Likewise.
13485 (ipa-inline.o): Likewise.
13486 (reorg.o): Likewise.
13487 (reg-stack.o): Likewise.
13489 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13491 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13493 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13495 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13497 * configure.ac: Completely disregard languages that are not
13499 * configure: Regenerated.
13502 * c-common.h (c_build_bitfield_integer_type): Declare.
13503 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13504 * c-common.c (c_build_bitfield_integer_type): ... here.
13506 2006-04-23 Roger Sayle <roger@eyesopen.com>
13509 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13510 a SImode SUBREG of a floating point register after no_new_pseudos.
13512 2006-04-23 Roger Sayle <roger@eyesopen.com>
13514 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13515 identify potentially eliminable registers to additionally catch
13516 VIRTUAL_INCOMING_ARGS_REGNUM.
13517 (addsi3): Update the conditions on when to use addsi_small_int.
13519 2006-04-23 Roger Sayle <roger@eyesopen.com>
13522 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13523 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13524 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13526 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13528 * fold-const.c (range_predecessor): Use operand_equal_p
13529 as the predicate for equality.
13530 (range_successor): Likewise.
13532 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13535 * config/soft-fp/op-common.h: Fix a typo.
13537 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13539 PR libmudflap/26864
13540 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13541 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13543 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13545 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13547 * doc/tm.texi: Fix a typo.
13549 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13551 * dwarf2out.c (struct die_struct): Document that die_sib makes
13552 a circular linked list.
13553 (FOR_EACH_CHILD): New.
13554 (reverse_die_lists): Delete.
13555 (reverse_all_dies): Delete.
13556 (add_dwarf_attr): Correct documentation.
13557 (remove_child_with_prev): New.
13558 (remove_child_TAG): Update for change to die_struct, use
13559 remove_child_with_prev.
13560 (add_child_die): Update for change to die_struct.
13561 (splice_child_die): Use remove_child_with_prev and add_child_die.
13562 (print_die): Use FOR_EACH_CHILD.
13563 (die_checksum): Likewise.
13564 (assign_symbol_names): Likewise.
13565 (output_location_lists): Likewise.
13566 (build_abbrev_table): Likewise.
13567 (calc_die_sizes): Likewise.
13568 (mark_dies): Likewise.
13569 (unmark_dies): Likewise.
13570 (unmark_all_dies): Likewise.
13571 (output_die): Likewise.
13572 (prune_unused_types_mark): Likewise.
13573 (prune_unused_types_walk): Likewise.
13574 (same_die_p): Update for change to die_struct.
13575 (break_out_includes): Likewise.
13576 (prune_unused_types_prune): Likewise.
13577 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13578 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13579 it's already clear.
13580 (dwarf2out_finish): Don't call reverse_all_dies.
13582 2006-04-21 Eric Christopher <echristo@apple.com>
13584 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13585 in comments and function names.
13587 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13590 * c-typeck.c (digest_init): Robustify.
13592 * c-typeck.c (pop_init_level): Simplify.
13594 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13596 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13598 2006-04-21 Paul Brook <paul@codesourcery.com>
13600 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13601 hardware floating point.
13603 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13605 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13608 2006-04-21 Nick Clifton <nickc@redhat.com>
13610 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13613 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13616 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13617 C++ lang type in traceback table for Objective-C++.
13619 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13621 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13623 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13625 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13628 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13629 were errors. Remove check for erroneous objects.
13631 2006-04-20 Jeff Law <law@redhat.com>
13633 PR tree-optimization/26854
13634 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13635 checking for zero or one use.
13636 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13637 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13638 * tree-ssa-reassoc.c (negate_value): Similarly.
13639 (reassociate_bb): Similarly.
13641 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13644 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13645 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13646 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13648 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13650 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13651 fp regs if the last fp arg doesn't fit in regs.
13653 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13656 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13657 that the last insn has the REG_INC note.
13659 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13660 Nathan Sidwell <nathan@codesourcery.com>
13663 * stor-layout.c (update_alignment_for_field): Do not align
13665 (place_union_field): Place union field at the start of the union.
13666 (place_field): Move ERROR_MARK check later, and use the current
13667 allocation position to maintain monotonicity.
13669 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13671 * dominance.c: Include timevar.h.
13672 (calculate_dominance_info): Use TV_DOMINANCE.
13673 * timevar.def (TV_DOMINANCE): New timevar.
13674 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13676 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13678 PR rtl-optimization/14261
13679 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13680 move would be an INSV insn.
13681 (noce_process_if_block): Don't optimize if the destination is a
13682 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13684 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13686 * config/s390/s390.md: Add comments with the instructions emitted
13687 by an insn pattern if macros are used.
13689 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13691 PR rtl-optimization/26026
13692 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13693 is a known power of two shifted left a variable amount.
13695 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13697 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13698 to hash table twice when the debug_str section has SECTION_MERGE.
13700 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13702 * config/soft-fp: New directory. From glibc.
13703 * config/soft-fp/t-softfp: New.
13704 * config/soft-fp/README: New.
13705 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13706 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13707 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13708 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13709 * config.gcc: Use rs6000/t-fprules-fpbit or
13710 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13712 * config/rs6000/sfp-machine.h: New. Based on glibc.
13713 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13715 * config/rs6000/t-fprules: Remove fp-bit rules.
13716 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13717 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13718 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13719 (softfp_wrap_start, softfp_wrap_end): New.
13721 2006-04-18 DJ Delorie <dj@redhat.com>
13723 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13725 2006-04-18 Devang Patel <dpatel@apple.com>
13727 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13729 2006-04-18 Nick Clifton <nickc@redhat.com>
13731 * config/sh/t-symbian: Add rule to build sh-c.o
13732 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13733 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13734 (sh_symbian_encode_section_info): Likewise.
13736 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13738 * builtins.c (expand_builtin_strcmp): Cover label definition of
13739 do_libcall with HAVE_cmpstrnsi.
13741 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13743 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13745 * function.h (temp_slot_p): New.
13746 (function): Change the type of x_used_temp_slots to
13747 VEC(temp_slot_p,gc) *.
13749 2006-04-18 Nick Clifton <nickc@redhat.com>
13751 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13752 flag_strength_reduce.
13754 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13756 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13760 Partial revert of revision 112637
13761 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13762 Dale Johannesen <dalej@apple.com>
13765 * regclass.c (struct reg_pref): Update documentation.
13766 (regclass): Set prefclass to NO_REGS if memory is the best option.
13767 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13769 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13771 PR tree-optimization/26821
13772 * tree-ssa-math-opts.c (get_constant_one): New.
13773 (insert_reciprocals): Use it.
13775 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13777 * dwarf2out.c (free_AT): Delete.
13778 (remove_AT): Update string ref counts.
13779 (remove_child_TAG): Don't call free_die.
13780 (free_die): Delete.
13781 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13782 or DW_TAG_GNU_EINCL.
13783 (prune_unused_types_walk_attribs): Reset string refcounts.
13784 (prune_unused_types_update_strings): New.
13785 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13786 call free_die. Do call prune_unused_types_update_strings.
13787 (prune_unused_types): Empty debug_str_hash.
13789 2006-04-17 Roger Sayle <roger@eyesopen.com>
13791 * expr.c (expand_assignment): Optimize away no-op moves where the
13792 source and destination are equal and have no side-effects.
13794 2006-04-17 Richard Guenther <rguenther@suse.de>
13797 * reload.c (push_reload): Guard calls to get_secondary_mem
13798 for memory subregs.
13800 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13802 * alias.c (reg_base_value, old_reg_base_value): Change the
13803 type to VEC(rtx,gc) *.
13804 (REG_BASE_VALUE, find_base_value, record_set,
13805 init_alias_analysis): Use VEC instead of VARRAY.
13807 * alias.c (alias_sets): Change the type to
13808 VEC(alias_set_entry,gc) *.
13809 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13810 VEC instead of VARRAY.
13811 (last_alias_set): Remove.
13813 * cgraph.h (cgraph_edge_p): New.
13814 Update the prototype of cgraph_function_versioning.
13815 * cgraphunit.c (cgraph_copy_node_for_versioning,
13816 cgraph_function_versioning): Use VEC instead of VARRAY.
13817 * ipa-cp.c (ipcp_insert_stage): Likewise.
13819 2006-04-16 Roger Sayle <roger@eyesopen.com>
13822 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13823 "A op B" or "A op C", we may need to convert A to the type of B and C.
13825 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13827 * target.h (struct gcc_target): Add mode_rep_extended.
13828 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13829 (init_num_sign_bit_copies_in_rep): Initialize it using
13831 (truncate_to_mode): Use it.
13832 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13833 * targhooks.h (default_mode_rep_extended): Declare it.
13834 * targhooks.c (default_mode_rep_extended): Define it.
13835 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13836 default_mode_rep_extended.
13837 (TARGET_INITIALIZER): Include it.
13838 * doc/tm.texi (Misc): Document it.
13839 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13840 (mips_truncated_to_mode): New function.
13842 2006-04-16 Roger Sayle <roger@eyesopen.com>
13844 PR middle-end/25474
13845 * expr.c (compress_float_constant): Copy the narrow constant into
13846 a new pseudo before extending it to its final width.
13848 2006-04-16 Roger Sayle <roger@eyesopen.com>
13849 Andrew Pinski <pinskia@gcc.gnu.org>
13850 Dale Johannesen <dalej@apple.com>
13853 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13854 special case code to implement V8HImode and V16QImode with SSE2.
13856 2006-04-15 Roger Sayle <roger@eyesopen.com>
13858 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13859 trees are constructed with a suitable tree type.
13861 2006-04-15 Roger Sayle <roger@eyesopen.com>
13863 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13864 (integer_onep): Likewise.
13865 (integer_all_onesp): Likewise.
13866 (integer_pow2p): Likewise.
13867 (integer_nonzerop): Likewise.
13868 (real_zerop): Likewise.
13869 (real_onep): Likewise.
13870 (real_twop): Likewise.
13871 (real_minus_onep): Likewise.
13872 (int_size_in_bytes): Likewise.
13873 (host_integerp): Likewise.
13875 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13877 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13878 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13879 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13881 * tree-ssa-structalias.h (alias_info): Remove num_references.
13883 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13885 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13886 (output_bvb patterns): Likewise.
13887 * pa.c (output_bb): Use 'bb' insn for long branch case.
13888 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13889 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13890 1. Correct length operand for alternatives 1 and 2.
13891 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13892 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13894 2006-04-14 Roger Sayle <roger@eyesopen.com>
13896 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13897 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13898 were accidentally reverted by r112959.
13900 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13902 PR middle-end/26823
13903 * except.h (eh_region_outermost): New prototype.
13904 * except.c (eh_region_outermost): New function.
13905 * tree-cfg.c (find_outermost_region_in_block): Use it.
13907 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13909 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13911 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13912 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13913 (init_reload, reload): Use VEC instead of VARRAY.
13914 * reload.h: Update the prototype for
13915 reg_equiv_memory_loc_varray.
13917 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13918 Eric Botcazou <ebotcazou@libertysurf.fr>
13920 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13921 register save area.
13923 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13925 PR middle-end/27134
13926 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13927 to expand fallback builtin function call.
13929 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13931 PR middle-end/27095
13932 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13933 and emit libcall here in case the builtin fails.
13934 (expand_builtin_strcmp): Always emit the libcall here on failure.
13936 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13938 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13939 * flow.c (reg_n_info): Change the type to
13940 VEC(reg_info_p,heap) *.
13941 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13943 * regs.h (reg_info_p): New.
13944 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13945 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13946 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13949 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13951 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13953 * params.h (MAX_SCHED_READY_INSNS): New macro.
13954 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13955 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13956 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13957 the ready list for 1 cycle during the first scheduling pass.
13958 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13960 2006-04-13 Richard Henderson <rth@redhat.com>
13963 * gimple-low.c (lower_omp_directive): Remove dead code.
13964 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13965 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13966 * omp-low.c (struct omp_region): Move to tree-flow.h.
13967 (root_omp_region): Export.
13968 (omp_regions, lookup_omp_region): Remove.
13969 (determine_parallel_type): Update for struct omp_region changes.
13970 (dump_omp_region): Dump regions with block numbers.
13971 (new_omp_region): Take type and block instead of stmt; malloc
13973 (free_omp_region_1, free_omp_regions): New.
13974 (expand_parallel_call): Take entry_stmt as argument; update for
13975 changes to omp_region.
13976 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13977 (remove_exit_barriers): New.
13978 (expand_omp_parallel): Update for struct omp_region changes.
13979 (expand_omp_synch): Likewise.
13980 (expand_omp): Likewise.
13981 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13982 (expand_omp_for_static_chunk): Likewise.
13983 (expand_omp_for): Likewise.
13984 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13985 (expand_omp_sections): Similarly, with GOMP_sections_end.
13986 (expand_omp_single): New.
13987 (build_omp_regions_1): Update for OMP_CONTINUE.
13988 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13989 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13990 OMP_SECTIONS_SECTIONS.
13991 (lower_omp_single_simple): Don't emit barrier here.
13992 (lower_omp_single_copy): Likewise.
13993 (lower_omp_single): Fix bindings, and lower to straightline now.
13994 (lower_omp_master, lower_omp_ordered): Likewise.
13995 (lower_omp_critical): Likewise.
13996 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13997 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13998 omp edges, free it afterward.
13999 (make_omp_sections_edges): Remove.
14000 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14001 (move_stmt_r): Handle OMP_CONTINUE.
14002 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14003 statement pointers to basic blocks. Add type member.
14004 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14005 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14006 * tree-inline.c (estimate_num_insns_1): Likewise.
14007 * tree-pretty-print.c (dump_generic_node): Likewise.
14008 * tree-ssa-operands.c (get_expr_operands): Likewise.
14009 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14010 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14011 (OMP_CONTINUE): New.
14012 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14013 (OMP_SECTIONS_SECTIONS): Remove.
14014 (OMP_SECTION_LAST): New.
14015 (OMP_RETURN_NOWAIT): New.
14017 2006-04-13 Roger Sayle <roger@eyesopen.com>
14019 * fold-const.c (native_encode_vector, native_interpret_real):
14020 Correct obvious mistakes in the previous check-in.
14022 2006-04-13 Roger Sayle <roger@eyesopen.com>
14024 * fold-const.c (native_encode_expr): New function to encode
14025 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14026 or VECTOR_CST into a specified buffer.
14027 (native_encode_int): New function.
14028 (native_encode_real): New function.
14029 (native_encode_complex): New function.
14030 (native_encode_vector): New function.
14031 (native_interpret_expr): Inverse of native_encode_expr to convert
14032 a target representation into an INTEGER_CST, REAL_CST etc...
14033 (native_interpret_int): New function.
14034 (native_interpret_real): New function.
14035 (native_interpret_complex): New function.
14036 (native_interpret_vector): New function.
14037 (fold_view_convert_expr): New function to constant fold/evaluate
14038 a VIEW_CONVERT_EXPR of a suitable constant expression.
14039 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14040 Change call of build1 to fold_build1 when constructing a
14043 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14044 Ulrich Weigand <uweigand@de.ibm.com>
14047 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14050 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14053 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14054 optimize to lo_sum for DFmode if !TARGET_FPRS.
14056 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14058 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14059 delete_alias_info, compute_flow_sensitive_aliasing,
14060 group_aliases): Use VEC instead of VARRAY.
14061 * tree-ssa-structalias.c (update_alias_info): Likewise.
14062 * tree-ssa-structalias.h (alias_info): Change the type of
14063 processed_ptrs to VEC(tree,heap) *.
14065 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14068 * config/sh/lib1funcs.h: New file, broken out of:
14069 * config/sh/lib1funcs.asm.
14070 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14072 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14073 * config/sh/lib1funcs-Os-4-200.asm: New file.
14074 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14075 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14076 (EXTRA_MULTILIB_PARTS): Include it.
14077 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14078 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14079 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14080 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14083 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14085 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14086 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14087 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14089 * tree-ssa-live.h: Include vecprim.h.
14090 (tree_partition_associator_d): Change the type of
14091 first_partition to VEC(int,heap) *.
14092 (tpa_first_partition): Use VEC instead of VARRAY.
14094 * Makefile.in (GTFILES): Move functions.h after tree.h.
14095 * function.c (reset_block_changes, record_block_change,
14096 check_block_change, free_block_changes): Use VEC instead of
14098 * function.h (function): Change the type of
14099 ib_boundaries_block to VEC(tree,gc) *.
14100 * tree-inline.c (copy_cfg_body): Initialize
14101 ib_boundaries_block to NULL instead of (varray_type) 0.
14103 2006-04-12 Roger Sayle <roger@eyesopen.com>
14105 * expr.c (emit_group_store): Correct operand order in call to
14106 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14107 a SUBREG_BYTE of zero.
14109 2006-04-12 Richard Guenther <rguenther@suse.de>
14111 * profile.c (compute_branch_probabilities): Remove code
14112 encapsulated in !ir_type (), which are remanents of the
14113 removed RTL profiling code.
14114 * rtl-profile.c: Remove.
14116 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14118 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14119 magic NULL_RTX comment.
14120 (function_arg): Store entire fp arg to mem if any part should go
14122 (rs6000_arg_partial_bytes): Adjust for above change.
14124 2006-04-11 Roger Sayle <roger@eyesopen.com>
14126 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14127 if it hasn't been initialized by dwarf2out_init.
14129 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14131 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14132 symbolic constants in branch patterns.
14134 2006-04-11 Roger Sayle <roger@eyesopen.com>
14136 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14138 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14140 PR rtl-optimization/27073
14141 * gcse.c (try_replace_reg): Revert last change. Continue to search
14142 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14145 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14147 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14148 aggregate types other than record and union types.
14149 (function_arg): Likewise.
14150 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14152 (function_value): In 64-bit mode, return objects that require it
14155 2006-04-11 Roger Sayle <roger@eyesopen.com>
14157 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14159 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14161 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14163 2006-04-03 Jeff Law <law@redhat.com>
14166 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14167 alias information too.
14169 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14171 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14173 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14176 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14177 (premark_used_types_helper): New.
14178 (premark_used_types): New.
14179 (gen_subprogram_die): Call premark_used_types.
14180 (prune_unused_types_walk): Do not prune perennial dies.
14181 * function.c (used_types_insert): New.
14182 * function.h (struct function): Add used_types_hash field.
14183 (used_types_insert): Add prototype.
14184 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14185 * c-parser.c (c_parser_cast_expression): Save casted types in used
14188 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14191 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14192 rs6000_explicit_options.float_gprs.
14194 2006-04-10 Roger Sayle <roger@eyesopen.com>
14196 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14197 from ix86_expand_vector_init_low_nonzero. Take an additional
14198 one_var argument indicating which element is non-zero. Support
14199 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14200 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14201 with one_var instead of ix86_expand_vector_init_low_nonzero.
14203 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14205 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14206 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14207 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14208 build/genextract.o): Depend on vecprim.h.
14209 * cfglayout.c, df-problems.c, function.c, genextract.c,
14210 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14211 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14215 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14217 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14218 Declare VECs of this type.
14219 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14220 (remove_children): Delete.
14221 (add_dwarf_attr): Use VEC routines.
14222 (add_AT_flag): Update for changes to add_dwarf_attr.
14223 (add_AT_int): Likewise.
14224 (add_AT_unsigned): Likewise.
14225 (add_AT_long_long): Likewise.
14226 (add_AT_vec): Likewise.
14227 (add_AT_string): Likewise.
14228 (add_AT_die_ref): Likewise.
14229 (add_AT_fde_ref): Likewise.
14230 (add_AT_loc): Likewise.
14231 (add_AT_loc_list): Likewise.
14232 (add_AT_addr): Likewise.
14233 (add_AT_lbl_id): Likewise.
14234 (add_AT_lineptr): Likewise.
14235 (add_AT_macptr): Likewise.
14236 (add_AT_offset): Likewise.
14237 (add_AT_range_list): Likewise.
14238 (get_AT): Use VEC_iterate.
14239 (remove_AT): Use VEC_ordered_remove.
14240 (free_die): Fold remove_children into here; have it use VEC_iterate.
14241 (print_die): Use VEC_iterate on attrs.
14242 (reverse_die_lists): Don't reverse attr lists.
14243 (die_checksum): Use VEC_iterate on attrs.
14244 (same_die_p): Likewise.
14245 (output_location_lists): Likewise.
14246 (build_abbrev_table): Likewise.
14247 (size_of_die): Likewise.
14248 (unmark_all_dies): Likewise.
14249 (output_abbrev_section): Likewise.
14250 (output_die): Likewise.
14251 (prune_unused_types_walk_attribs): Likewise.
14253 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14255 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14257 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14260 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14262 2006-04-09 Roger Sayle <roger@eyesopen.com>
14264 * expr.c (store_constructor): Don't bother clearing target if
14265 we're about to assign a vector to it using vec_init_optab.
14267 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14269 * tree-ssa-alias.c (lhs_may_store_to): New function.
14270 (recalculate_used_alone): Handle LHS of calls.
14272 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14276 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14277 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14278 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14279 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14280 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14281 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14282 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14283 stubs. Add ".align 8" directives before all ".dword" directives.
14284 (GTHREAD_USE_WEAK): Revise comment.
14285 (TARGET_ATTRIBUTE_WEAK): Define.
14286 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14287 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14288 * stublib.c: New file.
14293 * pa.md (cbranch patterns): Revise arguments used in calls to
14294 output_cbranch, output_bb and output_bvd. Add long branch length
14296 (fbranch patterns): Handle long branches.
14297 (jump): Revise length check. Revise arguments for output_lbranch call.
14298 Add long branch length attributes.
14299 (decrement_and_branch_until_zero): Add long branch length attributes.
14300 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14301 Likewise. Revise arguments for output_parallel_addb and
14302 output_parallel_movb calls.
14303 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14304 output_parallel_movb and output_parallel_addb): Update prototypes.
14305 * pa.c (output_cbranch): Revise arguments. Correct handling of
14306 nullification in long branches.
14307 (output_lbranch): Add new argument to control extraction of delay
14309 (output_bb): Handle long branches.
14310 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14311 output_parallel_addb): Likewise.
14313 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14315 PR rtl-optimization/27073
14316 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14319 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14321 * tree.h (tree_memory_tag): Add old_used_alone.
14322 (SMT_OLD_USED_ALONE): New macro.
14323 * tree-ssa-alias.c (recalculate_used_alone): Stop
14324 marking things for renaming unnecessarily.
14326 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14328 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14329 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14330 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14331 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14332 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14333 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14334 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14335 spelling convensions.
14336 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14337 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14338 typos. Follow spelling conventions.
14340 2006-04-07 DJ Delorie <dj@redhat.com>
14342 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14343 passed on the stack.
14344 (m32c_init_cumulative_args): When a function returns a structure,
14345 always pass the pointer to that return area on the stack.
14346 (m32c_function_arg_advance): Don't increment the parameter number
14347 if we're processing the returned structure pointer.
14348 (pushm_info): Reverse order of registers.
14350 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14352 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14353 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14354 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14355 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14356 build_int_cst_type.
14357 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14358 chrec_fold_multiply): Same.
14359 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14360 force_expr_to_var_cost): Same.
14361 * tree-mudflap.c (mf_xform_derefs_1): Same.
14362 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14364 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14366 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14367 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14370 2006-04-07 Jan Hubicka <jh@suse.cz>
14372 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14374 2006-04-07 Richard Guenther <rguenther@suse.de>
14376 PR tree-optimization/26135
14377 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14378 loads for store copy-prop.
14379 (copy_prop_visit_stmt): Likewise.
14381 2006-04-05 Robert Millan <robertmh@gnu.org>
14383 * config/i386/linux.h: Add a comment to mark macros that are
14384 being overriden in config/k*bsd-gnu.h.
14385 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14387 * config/knetbsd-gnu.h: Ditto.
14389 2006-04-06 Jan Hubicka <jh@suse.cz>
14393 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14396 2006-04-06 Mike Stump <mrs@apple.com>
14398 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14399 for HAVE_nonlocal_goto to be consistent.
14400 (expand_builtin_nonlocal_goto): Likewise.
14401 (expand_builtin_strcmp): Use #ifdef instead of #if
14402 for HAVE_cmpstrnsi to be consistent.
14404 2006-04-05 DJ Delorie <dj@redhat.com>
14406 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14409 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14411 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14412 got-relative addressing for anything but SImode.
14414 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14415 even if the calling function doesn't modify them.
14417 2006-04-05 Richard Guenther <rguenther@suse.de>
14419 PR tree-optimization/26919
14420 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14421 to cgraph_estimate_size_after_inlining.
14423 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14425 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14427 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14429 PR tree-optimization/26996
14430 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14431 VECTOR_TYPE variables.
14433 2006-04-05 Richard Guenther <rguenther@suse.de>
14435 PR tree-optimization/26763
14436 * fold-const.c (fold_comparison): Move folding of
14437 PTR + CST CMP PTR + CST ...
14438 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14440 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14442 * doc/install.texi (Prerequisites): Refine some wording on
14443 bootstrapping and ksh.
14444 Move the version numbers of DejaGnu here from the testing section
14445 and fix casing of names.
14446 Fix markup and clarify wording for autogen requirements.
14447 Refer to GCJ instead of just java.
14448 Refer to SVN instead of CVS.
14449 Describe diffutils as useful instead of necessary.
14450 (Downloading the source): Refer to SVN instead of CVS.
14451 Adjust a link to our web site accordingly.
14452 (Configuration): Fix casing of Bison.
14453 (Building): Refer to SVN instead of CVS.
14454 Fix a sentence on the use of Bison and remove duplicate (and
14455 incorrect) version number of Bison requirement.
14456 Remove one redundant list of packages needed for building.
14457 (Specific): Avoid reference to CVS.
14459 2006-04-04 Eric Christopher <echristo@apple.com>
14461 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14462 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14463 (rs6000_handle_struct_attribute): New.
14464 (rs6000_ms_bitfield_layout_p): Ditto.
14466 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14468 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14469 NULL for dso parameter to atexit_common.
14471 2006-04-04 Eric Christopher <echristo@apple.com>
14473 * config/i386/i386.c (machopic_output_stub): Output \t
14474 between instructions and operands.
14476 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14478 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14479 satisfies_constraint_[IL] to explicit tests on value.
14481 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14483 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14484 set_nb_iterations_in_loop): Use build_int_cst instead of
14485 build_int_cst_type.
14486 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14487 build_int_cst instead of convert.
14489 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14491 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14492 new value 2 for incoming.
14493 * function.c (expand_function_start): Call struct_value_rtx
14494 with incoming as 2.
14495 * config/sparc/sparc.md: Comment updated_return.
14496 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14497 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14498 struct return if sparc_std_struct_return and incoming is 2.
14499 (print_operand): Do not adjust return if
14500 sparc_std_struct_return.
14502 2006-04-04 Roger Sayle <roger@eyesopen.com>
14504 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14505 convert in the middle-end.
14506 * expr.c (store_expr, store_constructor, get_inner_reference,
14507 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14509 * tree.c (build_range_type): Likewise.
14511 2006-04-04 Tom Tromey <tromey@redhat.com>
14513 * doc/install.texi (Prerequisites): Mention jar.
14515 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14517 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14520 2006-04-04 Matthias Klose <doko@debian.org>
14522 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14526 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14529 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14531 * doc/extend.texi (Function Attributes): Rewrite visibility
14532 attribute documentation.
14533 * doc/invoke.texi (C++ Dialect Options): Rewrite
14534 -fvisibility-inlines-hidden documentation to describe something
14535 entirely different, although in practise compatible.
14536 (Code Gen Options): Warn about system headers in -fvisibility=
14539 * doc/extend.texi (Other Builtins): Document that
14540 __builtin_nan is a compile-time constant only when its argument
14543 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14545 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14546 trying to remove TRUNCATE check if all bits outside the new mode
14547 are identical to the sign bit.
14549 2006-04-03 Jeff Law <law@redhat.com>
14551 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14552 and operand scanning in some common cases.
14554 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14555 Dale Johannesen <dalej@apple.com>
14558 * regclass.c (struct reg_pref): Update documentation.
14559 (regclass): Set prefclass to NO_REGS if memory is the best option.
14560 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14561 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14562 into account. For non-registers, equate an empty preferred
14563 reload class to a `!' in the constraint; move the if clause to
14564 do so after those that reject the insn.
14565 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14567 (find_dummy_reload): Likewise.
14568 * doc/tm.texi (Register Classes): Document what it means
14569 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14570 * config/i386/i386.c (ix86_preferred_reload_class): Force
14571 using SSE registers (and return NO_REGS for floating-point
14572 constants) if math is done with SSE.
14573 (ix86_preferred_output_reload_class): New.
14574 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14575 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14576 * config/i386/i386.md: Remove # register preferences.
14578 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14581 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14582 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14583 the type of nb_iter.
14584 (instantiate_parameters_1): Convert the operands before calling
14585 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14586 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14588 2006-04-02 Roger Sayle <roger@eyesopen.com>
14590 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14591 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14592 instead of convert.
14593 * dojump.c (do_jump): Likewise.
14594 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14595 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14596 gimplify_boolean_expr): Likewise.
14597 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14598 * varasm.c (array_size_for_constructor): Likewise.
14599 * tree-object-size.c (compute_object_offset): Likewise.
14601 2006-04-02 Roger Sayle <roger@eyesopen.com>
14603 PR middle-end/26977
14604 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14605 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14607 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14609 PR tree-optimization/26939
14610 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14612 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14614 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14615 at_stmt. Convert the type of operands before calling
14616 build_polynomial_chrec.
14617 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14618 add_to_evolution_1.
14619 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14620 (instantiate_parameters_1): Convert the type of operands before calling
14621 build_polynomial_chrec.
14622 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14623 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14624 reset_evolution_in_loop): Insert asserts to check the types of the
14626 (chrec_type): Moved...
14627 (eq_evolutions_p): Use operand_equal_p.
14628 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14629 the types of the operands.
14630 (chrec_type): ...here.
14631 * tree-data-ref.c (create_data_ref): Convert the operands before
14632 calling chrec_replace_initial_condition.
14633 (same_access_functions, analyze_subscript_affine_affine,
14634 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14635 (compute_subscript_distance, analyze_ziv_subscript,
14636 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14637 analyze_miv_subscript): Convert the operands before calling
14638 chrec_fold_minus or chrec_fold_plus.
14640 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14642 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14643 the dependence_relations vector.
14644 (compute_data_dependences_for_loop): Adjust call to
14645 compute_all_dependences.
14647 2006-04-01 Roger Sayle <roger@eyesopen.com>
14648 Richard Henderson <rth@redhat.com>
14650 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14651 gimple_boolify on the condition before calling gimplify_expr.
14653 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14655 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14656 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14657 the frame size. Update to use the new macros.
14658 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14659 * config/xtensa/ieee754-df.S: Likewise.
14661 2006-03-31 Richard Henderson <rth@redhat.com>
14663 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14664 (make_edges): ... here. Control fallthru creation with a local
14665 variable. Do not play with fake edges.
14666 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14667 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14670 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14672 * dwarf2.h (DW64_CIE_ID): Define.
14673 * dwarf2out.c (DWARF_CIE_ID): Define.
14674 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14675 length header. Use DWARF_CIE_ID.
14676 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14677 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14679 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14681 * config/sh/linux-atomic.asm: New file.
14682 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14684 2006-03-31 DJ Delorie <dj@redhat.com>
14686 * config/m32c/cond.md: Set condition flags properly throughout.
14687 * config/m32c/minmax.md: Likewise.
14688 * config/m32c/prologue.md: Likewise.
14689 * config/m32c/bitops.md: Likewise.
14690 * config/m32c/muldiv.md: Likewise.
14691 * config/m32c/mov.md: Likewise.
14692 * config/m32c/addsub.md: Likewise.
14693 * config/m32c/m32c.md: Likewise.
14694 * config/m32c/jump.md: Likewise.
14695 * config/m32c/shift.md: Likewise.
14697 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14698 conditionally output the pattern for this.
14699 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14700 (m32c_compare_redundant): New.
14701 (m32c_output_compare): New.
14702 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14704 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14705 dest, not src. Allow other 4-byte modes.
14707 2006-03-30 Denis Chertykov <denisc@overta.ru>
14709 * doc/md.texi: Refer to avr/constraints.md instead of
14712 2006-03-30 Roger Sayle <roger@eyesopen.com>
14714 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14715 signed vs. unsigned comparison failures on some hosts.
14717 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14720 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14721 change to FLOAT_REGS.
14723 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14724 (rs6000_override_options): Use it.
14725 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14726 only for -mabi=spe/no-spe and -mabi=altivec.
14728 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14730 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14733 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14735 * Makefile.in: Rename docdir to gcc_docdir.
14737 2006-03-30 Roger Sayle <roger@eyesopen.com>
14740 * expr.c (emit_group_store): Optimize group stores into a pseudo
14741 register by using a paradoxical subreg to initialize the destination
14742 if the first or last member of the group specifies a "low part".
14744 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14747 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14748 * target.h (struct gcc_target.speculate_insn): Change type of the
14749 second parameter to 'int'.
14750 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14751 the second operand of the DEPS_LIST.
14752 (copy_DEPS_LIST_list): Update reference to the second operand of the
14754 * rtl.h (alloc_DEPS_LIST): Update signature.
14755 * sched-int.h (ds_t): Change typedef to 'int'.
14756 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14758 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14760 * haifa-sched.c (try_ready): Change condition to restore
14761 non-speculative pattern of the instruction.
14762 (process_insn_depend_be_in_spec): Code to keep probability of the
14763 speculative dependence non-decreasing.
14765 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14767 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14768 (single_move_for_movmem): ... this. Also change all uses.
14769 (bfin_expand_strmov): Renamed to...
14770 (bfin_expand_movmem): ... this. Also change all uses.
14771 * config/bfin/bfin.md (movstrsi): Renamed to...
14772 (movstrsi): ...this.
14774 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14776 PR tree-optimization/26830
14778 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14779 (copy_prop_visit_stmt): Remove write-only variable ann.
14780 (init_copy_prop): Check variable loop depth here. Do not simulate
14781 memory-tag and virtual operand PHIs except for store copy prop.
14783 2006-03-30 Richard Guenther <rguenther@suse.de>
14785 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14786 variants with double arguments.
14788 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14790 * genpreds.c (write_tm_constrs_h): Delete variable p.
14791 * genconditions.c (write_header): Add tm-constrs.h to included
14793 * genpeep.c (main): Add toplev.h to included headers.
14794 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14795 (build/genpeep.o): Add toplev.h dependency.
14796 * config/rs6000/constraints.md: Add "W" constraint.
14798 2006-03-29 Roger Sayle <roger@eyesopen.com>
14800 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14801 sizes by correctly testing whether the size fits a host integer.
14802 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14803 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14804 SImode range for the default sizetype and bitsizetype.
14806 2006-03-29 Roger Sayle <roger@eyesopen.com>
14808 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14809 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14810 quickly if the argument is already of the correct type.
14811 Call fold_build1 instead of build1. Tidy up blank lines.
14813 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14815 * genemit.c (main): Add tm-constrs.h to included headers.
14816 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14817 * genpeep.c (main): Add tm-constrs.h to included headers.
14818 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14819 (write_tm_constrs_h): this and write complete file.
14820 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14821 (write_insn_preds_c): Add tm-constrs.h to included headers.
14822 (gen_constrs): New variable.
14823 (parse_option): Parse "-c".
14824 (main): Invoke write_tm_constrs_h.
14825 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14826 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14827 (object_out_file): Add tm-constrs.h dependency.
14828 (insn-emit.o): Same.
14829 (insn-output.o): Same.
14830 (insn-peep.o): Same.
14831 (insn-preds.o): Same.
14832 (insn-recog.o): Same.
14833 (tm-constsr.h): New target.
14834 (s-constrs-h): New target.
14836 * config/rs6000/constraints.md: New file.
14837 * config/rs6000/rs6000.c: Include tm-constrs.h.
14838 (num_insn_constant_wide): Convert to satisfies_constraint.
14839 (rs6000_rtx_costs): Convert to satisfies_constraint.
14840 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14841 (CONST_OK_FOR_LETTER_P): Delete.
14842 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14843 (EXTRA_CONSTRAINT): Delete.
14844 (EXTRA_MEMORY_CONSTRAINT): Delete.
14845 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14846 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14847 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14848 satisfies_constraint.
14850 * config/i386/i386.c: Include tm-constrs.h.
14852 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14854 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14855 * tree-data-ref.c (find_data_references_in_loop,
14856 compute_data_dependences_for_loop): Use pointers to VEC.
14857 (analyze_all_data_dependences): Adjust calls.
14858 * tree-data-ref.h (find_data_references_in_loop,
14859 compute_data_dependences_for_loop): Adjust declarations.
14860 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14861 compute_data_dependences_for_loop.
14863 2006-03-29 Paul Brook <paul@codesourcery.com>
14865 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14866 (movdf_vfp): Ditto.
14868 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14870 PR tree-optimization/26859
14871 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14873 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14874 for the step after fold_convert.
14876 2006-03-29 Paul Brook <paul@codesourcery.com>
14878 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14879 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14881 2006-03-29 Paul Brook <paul@codesourcery.com>
14883 PR middle-end/23623
14884 * targhooks.c (default_narrow_bitfield): New fuction.
14885 * targhooks.h (default_narrow_bitfield): add prototype.
14886 * target.h (gcc_target): Add narrow_volatile_bitfield.
14887 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14888 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14889 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14890 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14892 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14894 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14896 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14897 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14898 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14899 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14900 (s390_function_arg_float): Allow SDmode and DDmode values to be
14901 passed in floating point registers.
14902 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14903 check with SCALAR_FLOAT_MODE_P.
14904 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14906 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14908 PR tree-optimization/25985
14909 * tree-ssa-loop-niter.c (number_of_iterations_le,
14910 number_of_iterations_ne): Make comments more precise.
14911 (number_of_iterations_cond): Add only_exit argument. Use the
14912 fact that signed variables do not overflow only when only_exit
14914 (loop_only_exit_p): New.
14915 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14916 number_of_iterations_cond.
14918 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14920 PR tree-optimization/26643
14921 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14924 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14926 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14927 (divsi3_i4_int): Likewise.
14929 2006-03-28 Roger Sayle <roger@eyesopen.com>
14931 * expr.c (emit_group_store): Only create a new pseudo reg if the
14932 quantity it needs to hold isn't already a suitable pseudo.
14934 2006-03-28 Jeff Law <law@redhat.com>
14936 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14937 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14939 2006-03-28 Roger Sayle <roger@eyesopen.com>
14941 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14942 the equivalent ~X & Y, and the symmetry related transformations.
14943 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14944 ~X & Y, and symmetry related transforms.
14946 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14948 Revert my 2006-03-27 patches.
14950 2006-03-28 Roger Sayle <roger@eyesopen.com>
14952 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14953 ~(T1)X, when T1 and T2 are integer types of the same precision
14954 and (T2)X isn't an extension.
14956 2006-03-28 Jeff Law <law@redhat.com>
14958 PR tree-optimization/26796
14959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14960 need EH edge cleanups rather than purging them immediately.
14961 (eliminate_degenerate_phis): Handle queued EH cleanups.
14963 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14965 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14968 2006-03-27 Roger Sayle <roger@eyesopen.com>
14970 PR middle-end/22524
14971 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14972 cast BIT_NOT_EXPR operand to the correct type.
14974 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14976 * tree-loop-linear.c: Don't include varray.h.
14977 (gather_interchange_stats, try_interchange_loops,
14978 linear_transform_loops): Use VEC instead of VARRAY.
14979 * lambda-mat.c: Don't include varray.h.
14980 * tree-chrec.c: Same.
14981 * lambda-trans.c: Same.
14982 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14983 VEC instead of VARRAY.
14984 * tree-vectorizer.h: Idem.
14985 * tree-data-ref.c (dump_data_references,
14986 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14987 initialize_data_dependence_relation, finalize_ddr_dependent,
14988 compute_all_dependences, find_data_references_in_loop,
14989 compute_data_dependences_for_loop, analyze_all_data_dependences,
14990 free_dependence_relation, free_dependence_relations,
14991 free_data_refs): Idem.
14992 * tree-data-ref.h (data_reference_p, subscript_p): New.
14993 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14994 VEC instead of VARRAY.
14995 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14996 (find_data_references_in_loop, compute_data_dependences_for_loop,
14997 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14998 dump_data_dependence_relations, free_dependence_relations,
14999 free_data_refs): Adjust declaration.
15000 (lambda_transform_legal_p): Move declaration here...
15001 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15002 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15003 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15004 vect_analyze_data_refs): Use VEC instead of VARRAY.
15005 * lambda.h (lambda_transform_legal_p): ...from here.
15006 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15007 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15008 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15009 tree-chrec.o): Don't depend on VARRAY_H.
15011 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15013 * rtl.def (Copyright): Update date.
15014 (DEPS_LIST): Change type of the second operand to 'int'.
15015 * target.h (Copyright): Update date.
15016 (struct gcc_target.speculate_insn): Change type of the second parameter
15018 * lists.c (Copyright): Update date.
15019 (alloc_DEPS_LIST): Change signature. Update reference to the second
15020 operand of the DEPS_LIST.
15021 (copy_DEPS_LIST_list): Update reference to the second operand of the
15023 * rtl.h (Copyright): Update date.
15024 (alloc_DEPS_LIST): Update signature.
15025 * sched-int.h (Copyright): Update date.
15026 (ds_t): Change typedef to 'int'.
15027 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15029 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15031 * haifa-sched.c (Copyright): Update date.
15032 (try_ready): Change condition to restore non-speculative pattern
15033 of the instruction.
15034 (process_insn_depend_be_in_spec): Code to keep probability of the
15035 speculative dependence non-decreasing.
15037 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15039 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15040 shut up the compiler.
15042 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15044 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15045 to use lib prefix for target.
15046 ($(T)libic_invalidate_array_4-200.a): Likewise.
15047 ($(T)libic_invalidate_array_4a.a): Likewise.
15049 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15050 J"orn Rennecke <joern.rennecke@st.com>
15052 * superh.opt: New file.
15053 * sh.c (boardtype, osruntime): Remove.
15054 * superh.h (SUBTARGET_OPTIONS): Remove.
15055 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15057 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15058 arguments with ^ and/or [].
15060 * config.gcc (sh-*-*): Add quoting to account for quirk of
15062 Replace == with = in enable_incomplete_targets test.
15064 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15065 with MASK_LITTLE_ENDIAN.
15067 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15068 * config/sh/sh.opt: Added to some comments.
15069 * config/sh/superh.h: Removed some chaff.
15071 * config/sh/sh.opt: Add m4-[1234]00* options.
15072 * config/sh/sh.c (sh_handle_option): Likewise.
15073 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15074 (ic_invalidate_array_4-100.o): New rule.
15075 ($(T)libic_invalidate_array_4-100.a): Likewise.
15076 (ic_invalidate_array_4-200.o): Likewise.
15077 ($(T)libic_invalidate_array_4-200.a): Likewise.
15078 (ic_invalidate_array_4a.o): Likewise.
15079 ($(T)libic_invalidate_array_4a.a): Likewise.
15080 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15081 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15083 * config/sh/crt1.asm: Merged in profiling code.
15084 * config/sh/superh.h (STARTFILE_SPEC): Override.
15085 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15086 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15087 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15089 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15090 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15091 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15093 * sh.opt (mpretend-cmove): New option.
15094 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15095 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15096 (movsicc): Add TARGET_PRETEND_CMOVE code.
15098 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15100 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15101 s390_class_max_nregs): New function prototypes.
15102 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15103 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15104 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15105 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15107 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15109 * dwarf2out.c (add_location_or_const_value_attribute): Call
15110 tree_add_const_value_attribute if nothing else works.
15111 (reference_to_unused): New.
15112 (rtl_for_decl_init): Use reference_to_unused to decide whether
15113 to output an initializer.
15115 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15118 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15119 peephole removing spe frob_di_df_2.
15121 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15123 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15124 (subscript_dependence_tester_1): Declared.
15125 (print_dir_vectors, print_dist_vectors): New.
15126 (debug_data_dependence_relation): New.
15127 (dump_data_dependence_relation): Print more details.
15128 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15129 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15130 (save_dist_v, save_dir_v, add_outer_distances,
15131 build_classic_dist_vector_1): New.
15132 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15133 Don't test for lambda_vector_lexico_pos.
15134 (same_access_functions, add_multivariate_self_dist,
15135 add_other_self_distances, dir_from_dist): New.
15136 (build_classic_dir_vector): Replace implementation almost identical to
15137 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15139 (subscript_dependence_tester_1): New.
15140 (subscript_dependence_tester): Handle the lexicographically negative
15141 distance vectors by recomputing the dependence relation.
15142 (compute_affine_dependence): Remove parameter loop_nest_depth.
15143 (compute_self_dependence): Don't call compute_subscript_distance.
15144 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15145 Add a parameter for the loop_nest.
15146 (find_loop_nest_1, find_loop_nest): New.
15147 (compute_data_dependences_for_loop): Compute the loop nest, and give
15148 up if the nest is not well formed.
15149 * tree-data-ref.h (loop_p): New.
15150 (struct data_dependence_relation): Replace size_vect field with
15151 loop_nest, a vec of loops.
15152 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15153 (DDR_LOOP_NEST): New.
15154 (print_dir_vectors, print_dist_vectors,
15155 debug_data_dependence_relation): Declared.
15156 (index_in_loop_nest): New.
15157 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15158 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15161 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15163 * simplify-rtx.c (simplify_relational_operation): Call
15164 simplify_relational_operation_1 even if mode is VOIDmode.
15166 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15168 PR tree-optimization/26804
15169 * tree.h (DECL_CALL_CLOBBERED): New macro.
15170 (tree_decl_common): Add call_clobbered_flag.
15171 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15172 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15173 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15174 (mark_non_addressable): Ditto.
15175 * tree-ssa.c (verify_call_clobbered): New function.
15176 (verify_alias_info): Use it.
15177 * tree-pass.h (pass_reset_cc_flags): New prototype.
15178 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15179 (reset_cc_flags): New function.
15180 * passes.c (init_optimization_passes): Call reset_cc_flags after
15181 initializing referenced_vars.
15183 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15184 Roger Sayle <roger@eyesopen.com>
15186 PR middle-end/26717
15187 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15188 to 1.0 for non-real operands. Implement A / A optimization for
15191 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15193 * config/i386/i386.c (size_cost): Correct the comment for
15194 cost of storing fp registers.
15195 (i386_cost): Likewise.
15196 (i486_cost): Likewise.
15197 (pentium_cost): Likewise.
15198 (pentiumpro_cost): Likewise.
15199 (k6_cost): Likewise.
15200 (athlon_cost): Likewise.
15201 (k8_cost): Likewise.
15202 (pentium4_cost): Likewise.
15203 (nocona_cost): Likewise.
15204 (generic64_cost): Likewise.
15205 (generic32_cost): Likewise.
15207 2006-03-24 Denis Chertykov <denisc@overta.ru>
15209 * config/avr/avr-protos.h (extra_constraint): Delete.
15210 (extra_constraint_Q): New declaration.
15211 * config/avr/constraints.md: New file.
15212 * config/avr/avr.md: Include it.
15213 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15214 (TMP_REGNO, ZERO_REGNO): Likewise.
15215 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15216 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15217 (extra_constraint): Delete.
15218 (extra_constraint_Q): Test for memory constraint 'Q'.
15219 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15220 (REG_CLASS_FROM_LETTER): Delete.
15221 (CONST_OK_FOR_LETTER_P): Delete.
15222 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15223 (EXTRA_CONSTRAINT): Delete.
15224 (TMP_REGNO): Delete.
15225 (ZERO_REGNO): Delete.
15227 2006-03-24 Jeff Law <law@redhat.com>
15229 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15230 directly. Call mark_new_vars_to_rename slightly earlier.
15232 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15234 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15235 (is_cxx): Likewise.
15236 (gen_compile_unit_die): Use new language types for Objective-C and
15238 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15239 DW_LANG_C_plus_plus.
15242 * config/t-darwin (crt3.o): Work around bug 26840.
15243 * config/darwin-crt3.c: Rewrite.
15244 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15246 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15248 * doc/invoke.texi: Document -femit-class-debug-always
15249 * common.opt: Add -femit-class-debug-always.
15251 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15253 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15254 index and base register.
15255 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15256 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15257 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15258 REGNO_OK_FOR_INDEX_P.
15259 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15261 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15262 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15263 REG_OK_FOR_BASE_P): Definitions removed.
15265 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15267 PR middle-end/26611
15268 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15269 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15270 set yet or weren't marked as local yet.
15272 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15274 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15277 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15279 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15280 (rs6000_legitimate_small_data_p): Delete.
15281 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15282 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15283 and make static. Add forward declaration. Update uses.
15284 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15285 of offsettable_memref_p.
15286 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15287 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15289 2006-03-24 Jeff Law <law@redhat.com>
15291 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15292 around bug in immediate-use iterator.
15294 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15297 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15298 or __LITTLE_ENDIAN__.
15300 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15302 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15303 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15304 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15305 * config/sh/sh.opt (mdiv=): Amend description.
15306 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15307 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15308 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15309 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15310 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15311 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15312 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15313 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15314 TARGET_DIVIDE_CALL_FP.
15316 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15318 * haifa-sched.c (choose_ready): Fix type of the local variable.
15319 Move local variables. Add comment.
15320 (check_reg_live): Change signature. Make callable from debugger.
15321 * sched-int.h (check_reg_live): Update signature.
15322 * sched-ebb.c (check_reg_live): Update parameters.
15323 * sched-rgn.c (check_reg_live): Ditto.
15324 (region_head_or_leaf_p): Check pointer before dereferencing.
15325 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15326 before reload on optimization levels below 1.
15328 2006-03-23 Richard Henderson <rth@redhat.com>
15330 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15334 * config/alpha/predicates.md (local_symbolic_operand): Reject
15337 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15340 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15341 expressions which have overflowed constants.
15343 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15345 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15347 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15349 * cfgloopmanip.c (create_loop_notes): Removed.
15350 * final.c (final_scan_insn): Do not handle loop notes.
15351 * jump.c (squeeze_notes): Ditto.
15352 * cfglayout.c (skip_insns_after_block,
15353 duplicate_insn_chain): Ditto.
15354 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15356 * cfgloop.h (create_loop_notes): Declaration removed.
15358 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15360 * varasm.c (output_constant_pool): Restore fnname and fndecl
15362 (assemble_start_function): Adjust call accordingly.
15363 (assemble_end_function): Likewise.
15365 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15368 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15371 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15373 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15376 * system.h (ICE_EXIT_CODE): New macro.
15377 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15378 (diagnostic_action_after_output): Likewise.
15379 * gcc.c (fatal_ice): New function.
15380 (execute): Use it instead of fatal.
15381 (fancy_abort): Likewise.
15382 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15384 2006-03-22 Jeff Law <law@redhat.com>
15386 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15387 iv_analyze_result returning false.
15389 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15391 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15393 2006-03-22 Richard Henderson <rth@redhat.com>
15395 PR middle-end/26084
15396 * except.c (duplicate_eh_regions_0): New.
15397 (duplicate_eh_region_1): Duplicate the children of the node as
15398 well as the node itself. Link them up properly.
15399 (duplicate_eh_region_2): Merge into ...
15400 (duplicate_eh_regions): ... here. Take copy_region argument, and
15401 copy only a sub-tree if asked. Simplify copying and fixup.
15402 (eh_region_outer_p): New.
15403 * except.h (duplicate_eh_regions): Update decl.
15404 (eh_region_outer_p): Declare.
15405 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15406 (lower_omp_master): Likewise.
15407 (lower_omp_ordered): Likewise.
15408 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15409 (move_stmt_r): Use it to remap labels. Handle recursion vs
15410 remap_decls_p properly.
15411 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15412 (find_outermost_region_in_block): New.
15413 (new_label_mapper): New.
15414 (move_sese_region_to_fn): Copy eh information to the new function
15416 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15418 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15421 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15423 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15424 into shared libraries.
15426 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15428 * doc/md.texi: Refer to i386/constraints.md instead of
15429 i386/predicates.md.
15430 * config/i386/constraints.md: New file, extracted from...
15431 * config/i386/predicates.md: ...here.
15432 * config/i386/i386.md: Include constraints.md.
15434 2006-03-21 Jason Merrill <jason@redhat.com>
15436 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15438 PR middle-end/20297
15439 * expr.c (init_block_move_fn): Force default visibility.
15440 (init_block_clear_fn): Likewise.
15441 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15442 * targhooks.c (default_external_stack_protect_fail): Likewise.
15444 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15446 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15447 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15448 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15449 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15450 (loadgp): Use mips_current_loadgp_style.
15451 (loadgp_noshared): New pattern.
15452 (sibcall_internal): Use MIPS_CALL.
15453 (sibcall_value_internal): Likewise.
15454 (sibcall_value_multiple_internal): Likewise.
15455 (call_internal): Likewise.
15456 (call_value_internal): Likewise.
15457 (call_value_multiple_internal): Likewise.
15458 (call_split): Use MIPS_CALL and add an 'S' constraint.
15459 (call_value_split): Likewise.
15460 (call_value_multiple_split): Likewise.
15461 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15462 (-mshared): New option.
15463 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15464 (mips_current_loadgp_style): Declare.
15465 * config/mips/mips.c (mips_classify_symbol): Avoid using
15466 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15467 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15468 TARGET_ABSOLUTE_ABICALLS.
15469 (override_options): Adjust comments. Improve the warning that is
15470 issued when -mabicalls and -G are used together.
15471 (mips_file_start): Remove comment.
15472 (mips_current_loadgp_style): New function.
15473 (mips_gnu_local_gp): New variable.
15474 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15476 (mips_output_function_prologue): Use mips_current_laodgp_style.
15477 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15478 the cprestore instruction.
15479 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15480 live for TARGET_ABSOLUTE_ABICALLS.
15481 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15482 (ASM_SPEC): Pass down -mshared and -mno-shared.
15483 (MIPS_CALL): New macro.
15484 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15486 * doc/invoke.texi (-mabicalls): Update documentation.
15487 (-mshared): Document.
15489 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15491 * config/ia64/unwind-hpux.c: New file.
15492 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15494 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15497 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15499 2006-03-21 Jeff Law <law@redhat.com>
15501 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15502 type conversions of a VR_VARYING source to a wider type.
15504 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15506 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15507 tm_file on Solaris 10 and later.
15508 (sparc64-*-solaris2*): Likewise.
15509 (sparc-*-solaris2*): Likewise.
15510 * config/sol26.h: Rename to config/sol2-6.h.
15511 * config/sol2-10.h: New file.
15513 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15516 * tree-ssa-pre.c (create_component_ref_by_pieces):
15519 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15522 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15523 return it immediately.
15525 2006-03-21 Michael Matz <matz@suse.de>
15527 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15529 (remove_arc, add_arc): Update num_out_arcs member.
15530 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15532 (cache_presence): New function.
15533 (compare_states_for_equiv): New function.
15534 (state_is_differed): Don't take number of outargs, adjust callers.
15535 Use new invariant for speeding up.
15536 (init_equiv_class): Create initial classes based on sorted
15538 (partition_equiv_class): Don't track out_arcs_num.
15539 (evaluate_equiv_classes): Call cache_presence on all states and
15542 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15544 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15545 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15546 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15547 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15549 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15550 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15551 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15552 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15553 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15555 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15556 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15557 (REGNO_REG_CLASS): ARGP is in PREGS.
15558 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15560 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15561 to deal with those addresses.
15562 * addresses.h: New file.
15563 * caller-save.c: Include "addresses.h".
15564 (init_caller_save): Use new base_reg_class function.
15565 * rtl-factoring.c: Include "addresses.h".
15566 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15567 * recog.c: Include "addresses.h".
15568 (preprocess_constraints): Use new base_reg_class function.
15569 * regrename.c: Include "addresses.h".
15570 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15571 functions. Keep track of a new var INDEX_CODE to compute valid
15573 (replace_oldest_value_addr): Likewise.
15574 (replace_oldest_value_mem): Use base_reg_class.
15575 * reload.c: Include "addresses.h".
15576 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15577 (find_reloads): Use new base_reg_class function.
15578 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15579 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15580 all callers and prototype changed.
15581 * reload1.c: Include "addresses.h".
15582 (maybe_fix_stack_asms): Use base_reg_class.
15583 * regclass.c: Include "addresses.h".
15584 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15585 (init_reg_autoinc): Use new base_reg_class function.
15586 (record_reg_classes): Likewise.
15587 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15588 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15589 Use new args to compute necessary class.
15591 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15592 regrename.o, rtl-factoring.o): Update dependencies.
15593 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15594 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15595 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15596 REG_OK_FOR_INDEX_P): Delete documentation.
15598 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15600 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15601 from V7 to V9 for Solaris 7 and above.
15603 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15605 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15606 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15607 argument pointers may not alias any other storage.
15608 * common.opt: Define option -fargument-noalias-anything.
15609 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15610 alias semantics is specified by flag_argument_noalias > 2.
15612 2006-03-20 Jeff Law <law@redhat.com>
15614 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15615 (pass_phi_only_cprop): Declare.
15616 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15617 with phi_only_cprop
15618 * tree-ssa-dom.c (degenerate_phi_result): New function.
15619 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15620 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15621 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15622 (eliminate_degenerate_phis): Likewise.
15623 (pass_phi_only_cprop): New pass descriptor.
15624 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15625 support code. Callers updated.
15626 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15627 (store_copy_prop): Likewise.
15628 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15630 2006-03-20 Jason Merrill <jason@redhat.com>
15633 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15634 (push_visibility, pop_visibility): Likewise.
15635 * c-pragma.h: Declare them.
15637 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15639 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15641 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15642 parameter and use get_ebb_head_tail.
15643 (sh_md_init_global): Adjust uses of find_regmode_weight.
15645 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15647 * function.h (struct function) <x_tail_recursion_reentry>:
15648 Rename to x_stack_check_probe_note.
15649 (tail_recursion_reentry): Rename to stack_check_probe_note.
15650 * function.c: Replace tail_recursion_reentry with
15651 stack_check_probe_note everywhere.
15652 (expand_function_start): Only emit a note for
15653 stack_check_probe_note with -fstack-protect.
15654 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15656 * emit-rtl.c (remove_unnecessary_notes): Remove.
15657 (pass_remove_unnecessary_notes): Remove.
15658 * rtl.h (remove_unnecessary_notes): Remove prototype.
15659 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15660 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15661 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15663 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15666 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15667 (valid_in_set): Handle ARRAY_REF.
15668 Change "if min_variant or VH" to asserts.
15669 (create_component_ref_by_pieces): Handle ARRAY_REF.
15670 (create_expression_by_pieces): Likewise.
15671 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15673 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15675 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15676 is operand of switch, not str[0].
15678 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15680 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15681 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15683 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15685 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15686 end of insn_extra_address_constraint declaration.
15688 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15690 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15691 (no-sum-in-toc): Same.
15692 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15694 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15695 NO_FP_IN_TOC for -fPIC instead of mask.
15697 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15698 (BOOT_LDFLAGS): Delete.
15700 * config/rs6000/t-aix52: Same.
15702 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15703 (stmsi[345678]_power): New.
15705 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15707 * config/ia64/ia64.opt: Add empty line to end of file.
15709 2006-03-17 Richard Guenther <rguenther@suse.de>
15711 PR middle-end/26721
15712 * builtins.c (get_pointer_alignment): For component style references
15713 adjust alignment to the component type alignment. Make sure
15714 to adjust alignment for component access of constants.
15716 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15718 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15719 unconditional jump.
15721 2006-03-17 Paul Brook <paul@codesourcery.com>
15723 * doc/install.texi: Docuemnt --with-mode.
15724 * config.gcc: Add --with-mode for arm*-*-*.
15725 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15727 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15729 * sh.c (max_labelno_before_reorg): New variable.
15730 (sh_reorg): Initialize it.
15731 (find_barrier): Check max_labelno_before_reorg before using
15732 label_to_alignment. Take length of explicit alignment insns
15733 into account. When seeing a UNSPECV_CONST_END, return it.
15735 * sh.c (fixup_mova): Set mode of affected label to QImode.
15736 (untangle_mova): New function.
15737 (find_barrier): Use it. Check mode of label before decrementing
15739 (sh_reorg): Likewise.
15740 Set mode of all insns back to VOIDmode.
15742 * sh.c (MOVA_LABELREF): New macro.
15743 (mova_p, fixup_mova, sh_reorg): Use it.
15744 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15745 ADDR_DIFF_VEC matches mova.
15747 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15749 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15750 with ATTRIBUTE_UNUSED.
15752 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15754 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15755 pointer, instead of assuming it is possible to derive the
15756 correct args size from a call insn.
15758 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15760 * rtl.h (CONST_INT_P): Define.
15761 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15762 instead of GET_CODE(x) == CONST_INT.
15763 (vax_rtx_costs): Likewise.
15764 (vax_output_int_move): Likewise.
15765 (vax_output_int_add): Likewise.
15766 (legitimate_constant_address_p): Likewise.
15767 (index_term_p): Likewise.
15768 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15769 * config/vax/vax.md (and<mode>3): Likewise.
15770 (ashrsi3): Likewise.
15772 (movstricthi): Likewise.
15773 (movstrictqi): Likewise.
15774 (rotrsi3): Likewise.
15775 (five unnamed insns): Likewise.
15777 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15779 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15780 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15781 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15782 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15783 Pass to ASM_OUTPUT_DWARF_OFFSET.
15784 * dwarf2out.c (debug_frame_section): New.
15785 (output_call_frame_info): Use debug_frame_section. Pass it to
15786 dw2_asm_output_offset.
15787 (output_die): Pass appropriate section to dw2_asm_output_offset.
15788 (output_compilation_unit_header): Likewise.
15789 (output_pubnames): Likewise.
15790 (output_aranges): Likewise.
15791 (enum dw_val_class): Break dw_val_class_lbl_offset into
15792 dw_val_class_lineptr and dw_val_class_macptr.
15793 (add_AT_lbl_offset): Delete.
15794 (add_AT_lineptr): New.
15795 (add_AT_macptr): New.
15796 (AT_lbl): Expect a lineptr or macptr.
15797 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15798 (attr_checksum): Likewise.
15799 (same_dw_val_p): Likewise.
15800 (size_of_die): Likewise.
15801 (value_format): Likewise.
15802 (output_die): Likewise.
15803 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15805 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15806 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15807 * config/darwin-protos.h (darwin_file_start): New.
15808 (darwin_asm_output_dwarf_offset): New.
15809 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15810 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15812 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15813 if not EH section; simplify.
15814 (darwin_file_start): New.
15815 (darwin_asm_output_dwarf_offset): New.
15816 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15818 (DEBUG_INFO_SECTION): Likewise.
15819 (DEBUG_ABBREV_SECTION): Likewise.
15820 (DEBUG_ARANGES_SECTION): Likewise.
15821 (DEBUG_MACINFO_SECTION): Likewise.
15822 (DEBUG_LINE_SECTION): Likewise.
15823 (DEBUG_LOC_SECTION): Likewise.
15824 (DEBUG_PUBNAMES_SECTION): Likewise.
15825 (DEBUG_STR_SECTION): Likewise.
15826 (DEBUG_RANGES_SECTION): Likewise.
15827 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15828 (ASM_OUTPUT_DWARF_OFFSET): New.
15830 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15832 * config.gcc (tm_defines): Always add to previous value rather
15835 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15837 * config/mips/predicates.md (splittable_const_int_operand): New,
15838 split from move_operand.
15839 (splittable_symbolic_operand): New.
15840 (move_operand): Add commentary. Use splittable_const_int_operand.
15841 Inline mips_atomic_symbolic_constant_p.
15842 * config/mips/mips.md: Add combine splitters for handling moves
15843 of splittable_const_int_operands and splittable_symbolic_operands.
15844 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15845 (mips_split_symbol): Declare.
15846 (mips_move_integer): Declare.
15847 * config/mips/mips.c (mips_split_p): Make global.
15848 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15849 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15850 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15851 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15852 (mips_offset_within_object_p): Handle block symbols.
15853 (mips_atomic_symbolic_constant_p): Delete.
15854 (mips_cannot_force_const_mem): Return false for constants that
15855 mips_legitimize_move can handle.
15856 (mips_use_blocks_for_constant_p): New function.
15857 (mips_split_symbol): Make global.
15858 (mips_move_integer): Likewise. Add a temporary register argument.
15859 (mips_legitimize_const_move): Use splittable_const_int_operand and
15860 splittable_symbolic_operand.
15861 (mips_use_anchors_for_symbol_p): New function.
15862 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15863 (mips_split_p): Declare.
15865 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15867 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15868 (mips*-*-linux*): Likewise.
15870 2006-03-16 Roger Sayle <roger@eyesopen.com>
15871 Daniel Speyer <dspeyer@wam.umd.edu>
15873 PR middle-end/18259
15874 * tree-dump.c (dump_real): New function.
15875 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15876 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15877 (tree-dump.o): Add $(REAL_H) to the dependencies.
15879 2006-03-16 Roger Sayle <roger@eyesopen.com>
15881 PR middle-end/21781
15882 * real.c (real_from_string): If the mantissa is zero, don't bother
15883 parsing the exponent as the result should always be zero.
15885 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15887 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15889 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15891 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15892 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15893 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15894 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15895 ia64_sched_finish_global): New static functions to implement
15896 hooks from gcc_target.sched.
15897 (spec_check_no, max_uid, pending_data_specs): New static variables.
15898 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15899 ia64_spec_check_src_p): New static functions.
15900 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15901 (TARGET_SCHED_ADJUST_COST): Removed.
15902 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15903 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15904 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15905 TARGET_SCHED_GEN_CHECK,
15906 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15907 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15908 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15909 Fixed to handle speculation checks.
15910 (rtx_needs_barrier): Fixed to handle speculative loads and
15912 (ia64_variable_issue): Added code to count speculative loads and their
15914 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15916 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15918 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15920 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15921 (ia64_reorg): Reset stops_p to NULL after it is freed.
15922 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15923 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15924 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15926 (data_speculative, control_speculative, check_load): New attributes.
15927 (mov<mode>_advanced, mov<mode>_speculative,
15928 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15929 zero_extend<mode>di2_speculative,
15930 zero_extend<mode>di2_speculative_advanced): New patterns for
15931 data and control speculative loads.
15932 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15934 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15935 New pattern for data and control speculation checks.
15936 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15937 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15938 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15939 Auxiliary definitions for the patterns.
15940 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15941 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15943 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15945 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15946 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15947 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15948 New resource constraints.
15949 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15951 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15952 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15953 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15954 msched-in-control-spec, msched-ldc, msched-control-ldc,
15955 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15956 msched-prefer-non-control-spec-insns,
15957 msched-count-spec-in-critical-path): New flags to tune speculative
15959 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15960 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15961 msched-in-control-spec, msched-ldc, msched-control-ldc,
15962 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15963 msched-prefer-non-control-spec-insns,
15964 msched-count-spec-in-critical-path): Document new flags.
15966 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15968 * target.h (struct spec_info_def): New opaque declaration.
15969 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15970 speculate_insn, needs_block_p, gen_check,
15971 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15972 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15973 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15974 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15975 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15976 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15978 (TARGET_SCHED): Use new macros.
15979 * rtl.h (copy_DEPS_LIST_list): New prototype.
15980 * sched-int.h (struct sched_info): Change signature of new_ready field,
15981 adjust all initializations. New fields: add_remove_insn,
15982 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15983 region_head_or_leaf_p.
15984 (struct spec_info_def): New structure declaration.
15985 (spec_info_t): New typedef.
15986 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15987 recovery_block, orig_pat.
15988 (glat_start, glat_end): New variables declaraions.
15989 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15991 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15992 DETACH_LIFE_INFO, USE_GLAT.
15993 (enum SPEC_SCHED_FLAGS): New enumeration.
15994 (NOTE_NOTE_BB_P): New macro.
15995 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15996 attach_life_info, debug_spec_status, check_reg_live): New functions.
15997 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15998 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16000 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16001 * ddg.c (get_block_head_tail): Adjust all uses.
16002 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16003 (sms_sched_info): Initialize new fields.
16004 (contributes_to_priority): Removed.
16005 * haifa-sched.c (params.h): New include.
16006 (get_block_head_tail): Adjust all uses.
16007 (ISSUE_POINTS): New macro.
16008 (glat_start, glat_end): New global variables.
16009 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16010 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16011 old_last_basic_block, before_recovery, current_sched_info_var,
16012 rgn_n_insns, luid): New static variables.
16013 (insn_cost1): New function. Move logic from insn_cost to here.
16014 (find_insn_reg_weight1): New function. Move logic from
16015 find_insn_reg_weight to here.
16016 (reemit_notes, move_insn, max_issue): Change signature.
16017 (move_insn1): Removed.
16018 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16019 extend_bb): New static functions to support extension of scheduler's
16021 (generate_recovery_code, process_insn_depend_be_in_spec,
16022 begin_speculative_block, add_to_speculative_block,
16023 init_before_recovery, create_recovery_block, create_check_block_twin,
16024 fix_recovery_deps): New static functions to support
16025 generation of recovery code.
16026 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16027 restore_bb_notes, move_block_after_check, move_succs): New static
16028 functions to support ebb scheduling.
16029 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16030 functions to support handling of register live information.
16031 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16032 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16033 add_jump_dependencies): New static functions.
16034 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16035 consistancy checking.
16036 (debug_spec_status): New function to call from debugger.
16037 (priority): Added code to handle speculation checks.
16038 (rank_for_schedule): Added code to distinguish speculative instructions.
16039 (schedule_insn): Added code to handle speculation checks.
16040 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16041 Fixed to handle ebbs.
16042 (move_insn): Added code to handle ebb scheduling.
16043 (max_issue): Added code to use ISSUE_POINTS of instructions.
16044 (choose_ready): Added code to choose between speculative and
16045 non-speculative instructions.
16046 (schedule_block): Added code to handle ebb scheduling and scheduling of
16047 speculative instructions.
16048 (sched_init): Initialize new variables.
16049 (sched_finish): Free new variables. Print statistics.
16050 (try_ready): Added code to handle speculative instructions.
16051 * lists.c (copy_DEPS_LIST_list): New function.
16052 * sched-deps.c (extend_dependency_caches): New function. Move logic
16053 from create_dependency_caches to here.
16054 (get_dep_weak, ds_merge): Make global.
16055 * genattr.c (main): Code to output prototype for
16056 dfa_clear_single_insn_cache.
16057 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16058 (output_dfa_clean_insn_cache_func): Code to output
16059 dfa_clear_single_insn_cache function.
16060 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16062 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16064 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16065 New static variables.
16066 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16067 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16069 (ebb_sched_info): Initialize new fields.
16070 (get_block_head_tail): Adjust all uses.
16071 (compute_jump_reg_dependencies): Fixed to use glat_start.
16072 (schedule_ebb): Code to remove unreachable last block.
16073 (schedule_ebbs): Added code to update register live information.
16074 * sched-rgn.c (region_sched_info): Initialize new fields.
16075 (get_block_head_tail): Adjust all uses.
16076 (last_was_jump): Removed. Adjust users.
16077 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16078 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16079 Implement new hooks.
16080 (check_dead_notes1): New static function.
16081 (struct region): New fields: dont_calc_deps, has_real_ebb.
16082 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16083 (BB_TO_BLOCK): Fixed to handle EBBs.
16084 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16085 (ebb_head): New static variable.
16086 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16087 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16089 (compute_dom_prob_ps): New assertion.
16090 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16091 global_live_at_start.
16092 (init_ready_list): New assertions.
16093 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16094 (new_ready): Add support for BEGIN_CONTROL speculation.
16095 (schedule_insns): Fixed code that updates register live information
16097 (schedule_region): Fixed to handle EBBs.
16098 (init_regions): Use extend_regions and check_dead_notes1.
16099 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16100 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16101 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16102 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16103 TARGET_SCHED_GEN_CHECK,
16104 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16105 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16106 * doc/invoke.texi (max-sched-insn-conflict-delay,
16107 sched-spec-prob-cutoff): Document.
16109 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16111 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16112 inter_tick, queue_index.
16113 (struct sched_info): Change signature of init_ready_list field.
16114 Adjust all initializations.
16115 (RESOLVED_DEPS): New access macro.
16116 (ready_add): Remove prototype.
16117 (try_ready): Add prototype.
16118 * sched-rgn.c (init_ready_list): Use try_ready.
16119 (schedule_region): Initialize
16120 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16121 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16122 (init_ready_list): Use try_ready.
16123 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16124 * lists.c (remove_list_elem): Remove `static'.
16125 (remove_free_INSN_LIST_elem): New function.
16126 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16127 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16128 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16130 (readyp): New variable.
16131 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16132 change_queue_index, resolve_dep): New static functions.
16133 (try_ready): New function. Adjust callers in sched-rgn.c and
16134 sched-ebb.c to use it instead of ready_add.
16135 (clock_var): Move at the begining of file.
16136 (rank_for_schedule): Fix typo.
16137 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16138 (ready_lastpos): Enforce assertion.
16139 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16140 update all callers.
16141 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16142 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16143 (queue_to_ready): Use free_INSN_LIST_list.
16144 (early_queue_to_ready): Fix typo.
16145 (schedule_block): Init readyp. Move init_ready_list call after the
16146 initialization of clock_var. Fix error in rejecting insn by
16147 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16148 that previously corrected INSN_TICKs. Add code for handling
16150 (set_priorities): Fix typo.
16151 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16152 Clarify comment and code that keeps current_sched_info->next_tail
16155 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16157 * sched-rgn.c (extend_rgns): New static function.
16158 (find_rgns): Use it.
16159 (gather_region_statistics, print_region_statistics): New static
16161 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16162 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16165 Andrey Belevantsev <abel@ispras.ru>
16167 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16168 * lists.c (unused_deps_list): New variable.
16169 (free_list): Add assertions to verify the proper distinguishing
16170 between INSN_LISTs and DEPS_LISTs.
16171 (find_list_elem, remove_list_elem, remove_list_node): New static
16173 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16174 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16175 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16176 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16178 (free_INSN_LIST_node): Likewise.
16179 * modulo-sched.c (current_sched_info): Initialize flags field.
16180 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16181 * rtl.def (DEPS_LIST): Define.
16182 * rtl.h: Declare new functions from lists.c.
16183 * sched-deps.c (spec_dependency_cache): New static variable.
16184 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16185 (add_dependence): Change return type to void. Move the logic to ...
16186 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16187 (delete_all_dependences): Add comment about forward_dependency_cache.
16188 Handle spec_dependency_cache. Handle DEPS_LISTs.
16189 (fixup_sched_groups): Clarify the change of priority of output
16190 and anti dependencies.
16191 (sched_analyze_2): Adjust add_dependence calls to create data
16192 speculative dependence.
16193 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16194 Adjust all callers. Handle DEPS_LISTS.
16195 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16196 presence of speculation.
16197 (init_dependency_caches, free_dependency_caches):
16198 Handle spec_dependency_cache.
16199 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16200 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16201 New static functions.
16202 (add_or_update_back_dep, add_or_update_back_forw_dep,
16203 add_back_forw_dep, delete_back_forw_dep): New functions.
16204 * sched-int.h (ds_t, dw_t): New typedefs.
16205 (struct sched_info): Add new field flags.
16206 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16207 Prototype new sched-deps.c functions.
16208 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16209 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16210 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16211 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16212 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16213 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16215 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16217 * sched-rgn.c (current_sched_info): Initialize flags field.
16218 (schedule_insns): Initialize current_sched_info before the sched_init
16220 * sched-ebb.c (current_sched_info): Initialize flags field.
16221 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16222 Call add_or_update_back_dep instead of add_dependence.
16223 Create control speculative dependencies.
16224 (schedule_insns): Initialize current_sched_info before the sched_init
16227 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16229 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16231 (sh_fallback_frame_state): Likewise.
16233 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16235 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16236 Do switch on default_use_cxa_atexit.
16237 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16238 * config/darwin-crt3.o: New.
16239 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16240 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16241 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16243 * config/rs6000/t-darwin: Move crt2.o building to here.
16244 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16245 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16248 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16250 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16251 from '! xxx' to '!xxx' for coding-style conformance.
16252 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16253 (EXTRA_CONSTRAINT): Likewise.
16254 * config/vax/vax.md (four unnamed insns): Likewise.
16256 2006-03-15 Paul Brook <paul@codesourcery.com>
16258 * config/arm/arm.c (minipool_pad): New.
16259 (add_minipool_forward_ref): Include pool alignment padding in address
16261 (push_minipool_fix): Set minipool_pad.
16262 (minipool_pad): Ditto.
16264 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16266 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16267 instead of GET_CODE() == MEM and REG_P() instead of
16269 (print_operand_address): Likewise.
16270 (vax_address_cost): Likewise.
16271 (vax_rtx_costs): Likewise.
16272 (vax_notice_update_cc): Likewise.
16273 (vax_output_int_add): Likewise.
16274 (INDEX_REGISTER_P): Likewise.
16275 (BASE_REGISTER_P): Likewise.
16276 (nonindexed_address_p): Likewise.
16277 (vax_mode_dependent_address_p): Likewise.
16278 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16279 (PRINT_OPERAND): Likewise.
16280 * config/vax/vax.md (ashlsi3): Likewise.
16281 (ashlsi3): Likewise.
16282 (some more unnamed insns): Likewise.
16284 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16286 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16287 iterator-style macro.
16288 (mark_control_dependent_edges_necessary): Update the use of
16289 EXECUTE_IF_CONTROL_DEPENDENT.
16291 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16293 * config/sh/predicates.md (cache_address_operand): Special.
16294 (ua_address_operand): Likewise.
16296 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16298 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16300 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16302 2006-03-15 Andreas Schwab <schwab@suse.de>
16304 * gensupport.c (identify_predicable_attribute): Don't free p_false
16305 when it is still in use.
16307 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16309 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16310 the default setting here.
16312 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16314 * tree-pass.h (pass_cfg): Remove.
16315 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16316 * passes.c (pass_cfg): Don't run it.
16318 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16320 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16321 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16323 (stack_regs_mentioned): Update the uses of
16324 stack_regs_mentioned_data. Don't access the array beyond its
16326 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16327 Don't include gt-reg-stack.h.
16329 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16330 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16332 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16334 PR middle-end/26684
16335 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16338 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16340 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16342 2006-03-14 Richard Guenther <rguenther@suse.de>
16344 PR tree-optimization/26672
16345 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16348 2006-03-14 Richard Guenther <rguenther@suse.de>
16350 PR tree-optimization/26667
16351 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16352 node for the callees. Always allow inlining if it will shrink
16355 2006-03-14 Richard Guenther <rguenther@suse.de>
16357 PR middle-end/26659
16358 * builtins.c (get_pointer_alignment): Prefer alignment
16359 information from decls over that from types.
16361 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16364 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16366 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16368 * config/rs6000/rs6000.opt (mdlmzb): New option.
16369 (msched-prolog, msched-epilog): Use Var not Mask.
16370 * doc/invoke.texi (-mdlmzb): Document.
16371 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16373 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16374 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16376 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16378 PR rtl-optimization/25739
16379 * bt-load.c (augment_live_range): Free tos pointer.
16381 * gensupport.c (identify_predicable_attribute): Free
16383 * gcov.c (create_file_names): Free name pointer.
16385 2006-03-13 Roger Sayle <roger@eyesopen.com>
16387 PR middle-end/26557
16388 * stmt.c (emit_case_nodes): Handle the case where the index is a
16389 CONST_INT, where the comparison mode is specified by the index type.
16391 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16393 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16396 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16398 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16399 (*branch_fp_inverted): Likewise.
16401 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16403 PR middle-end/25989
16404 * omp-low.c (expand_omp_for_generic): Mark istart0
16405 and iend0 as addressable.
16407 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16409 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16411 2006-03-13 Jeff Law <law@redhat.com>
16413 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16414 virtual operands are interesting.
16415 (vrp_visit_stmt): Corresponding changes.
16417 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16419 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16421 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16422 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16423 * config/bfin/crti.S: Use it instead of __PIC__.
16424 * config/bfin/crtn.S: Likewise.
16426 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16427 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16429 Lose 'G' modifier for call operand.
16430 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16431 recognize 'G' modifier.
16433 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16435 PR middle-end/18859
16436 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16437 * stmt.c (expand_case): Likewise.
16439 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16441 PR rtl-optimization/26254
16442 * loop-invariant.c (seq_insns_valid_p): New function.
16443 (move_invariant_reg): Only emit new code if it is valid.
16445 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16447 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16449 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16450 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16451 (commit_one_edge_insertion): Do not look for loop notes.
16453 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16455 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16456 flag_test_coverage out of loop.
16458 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16460 * final.c (shorten_branches): Remove outdated comment, and turn
16461 the if branch that guards it to continue.
16463 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16465 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16466 * cfgloop.h (struct loop): Remove unused fields.
16468 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16470 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16471 (-dL, -fdump-rtl-loop2): Update the dump file names
16473 * doc/invoke.texi: Update dump file names.
16475 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16477 * predict.c (estimate_probability): Remove.
16478 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16479 * basic-block.h (estimate_probability): Remove prototype.
16480 * passes.c (finish_optimization_passes): Dump branch prediction or
16481 profiling heuristics to the .profile tree dump.
16482 (init_optimization_passes): Unqueue pass_branch_prob.
16484 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16486 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16488 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16489 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16491 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16493 * function.h (frame_offset_overflow): Declare.
16494 * function.c (frame_offset_overflow): New function.
16495 (assign_stack_local_1): Call it to detect that the offset overflows.
16496 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16498 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16500 * config/sh/sh.c: Include alloc-pool.h.
16501 (label_ref_list_pool): New alloc pool.
16502 (label_ref_list_t): New type for lists of labels.
16503 (struct pool_node): Make wend a label_ref_list_t.
16504 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16506 (dump_table): Likewise.
16507 (sh_reorg): Set up the alloc pool before using add_constant and
16508 dump_table, and destroy it when finishing.
16510 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16512 * config/mips/mips.c: Remove redundant comment.
16514 2006-03-10 Jason Merrill <jason@redhat.com>
16517 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16518 the target was declared 'register'.
16520 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16522 * genpreds.c (write_insn_constraint_len): Change definition of
16523 insn_constraint_len to return size_t to match the declaration.
16525 2006-03-10 DJ Delorie <dj@redhat.com>
16527 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16529 (m32c_expand_insv): Fix test for an AND mask.
16531 2006-03-10 Richard Guenther <rguenther@suse.de>
16533 PR middle-end/26565
16534 * builtins.c (get_pointer_alignment): Handle component
16535 references for field alignment.
16537 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16539 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16540 when building with libgloss.
16541 (sh*elf): Implement --without-fp option.
16542 (sh64-superh-linux*): Don't multilib.
16544 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16546 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16548 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16550 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16551 Set it when one of the replacement functions returned true.
16552 Return TODO_cleanup_cfg if cfgchanged is true.
16553 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16555 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16557 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16558 instead of gen_lowpart.
16560 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16562 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16564 (mips_output_order_conditional_branch): Declare.
16565 * config/mips/mips.h (MIPS_BRANCH): New macro.
16566 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16567 for the comparison. Use gen_condjump.
16568 (mips_output_conditional_branch): Rework interface to take the
16569 asm templates for a direct branch and the inverse of a direct branch.
16570 (mips_output_order_conditional_branch): New function.
16571 (mips_builtin_branch_and_move): New function.
16572 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16573 branch condition. Use gen_single_cc as the condition for
16574 __builtin_mips_upper_* or __builtin_mips_lower_*.
16575 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16576 Use VOIDmode for the branch condition.
16577 * config/mips/predicates.md (order_operator): New predicate.
16578 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16579 (branch_fp): Rename to...
16580 (*branch_fp): ...this. Remove mode from comparison operator.
16581 Use new mips_output_conditional_branch interface.
16582 (branch_fp_inverted): Rename to...
16583 (*branch_fp_inverted): ...this and update as for *branch_fp.
16584 (*branch_zero<mode>): Rename to...
16585 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16586 Use mips_output_order_conditional_branch. Only accept ordered
16588 (*branch_zero<mode>_inverted): Rename to...
16589 (*branch_order<mode>_inverted): ...this and update as for
16590 *branch_order<mode>.
16591 (*branch_equality<mode>): Accept zero as the second operand to
16592 the equality operator. Use the new mips_output_conditional_branch
16594 (*branch_equality<mode>_inverted): Likewise.
16595 (condjump): New expander.
16596 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16598 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16599 (bc1any2t, bc1any2f): Likewise.
16600 (single_cc): New expander.
16601 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16603 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16605 * doc/md.texi: Update documentation of MIPS constraints.
16606 * config/mips/constraints.md: New file.
16607 * config/mips/mips.md: Include it.
16608 * config/mips/mips.c (mips_char_to_class): Delete.
16609 (override_options): Don't initialize mips_char_to_class.
16610 * config/mips/mips.h (mips_char_to_class): Delete.
16611 (REG_CLASS_FROM_LETTER): Delete.
16612 (CONST_OK_FOR_LETTER_P): Delete.
16613 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16614 (EXTRA_CONSTRAINT_Y): Delete.
16615 (EXTRA_CONSTRAINT_STR): Delete.
16616 (CONSTRAINT_LEN): Delete.
16617 (EXTRA_MEMORY_CONSTRAINT): Delete.
16619 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16621 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16622 original fn's eh regions.
16624 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16626 * fold-const.c (build_range_check): Make sure to use a valid type to
16627 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16630 (range_predecessor): New static function.
16631 (range_successor): Likewise.
16632 (merge_ranges): Use them to compute predecessors and successors of
16635 2006-03-09 Roger Sayle <roger@eyesopen.com>
16637 PR middle-end/26561
16638 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16639 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16641 2006-03-08 DJ Delorie <dj@redhat.com>
16643 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16644 (addpsi3): Expand to include memory operands. Remove
16645 reload-specific splits.
16646 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16647 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16648 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16649 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16650 (shift1_qi, shift1_hi, insv): New.
16651 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16652 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16653 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16655 * config/m32c/m32c-protos.h: Update as needed.
16656 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16657 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16658 Fail for unrecognized R* constraints.
16659 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16660 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16661 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16663 (m32c_init_libfuncs): New.
16664 (m32c_legitimate_address_p): Add debug wrapper.
16665 (m32c_rtx_costs): New.
16666 (m32c_address_cost): New.
16667 (conversions): Add 'B' prefix.
16668 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16669 operands, or word regnames for QI operands. 'B' prints bit
16671 (m32c_expand_setmemhi): New.
16672 (m32c_expand_movmemhi): New.
16673 (m32c_expand_movstr): New.
16674 (m32c_expand_cmpstr): New.
16675 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16676 (m32c_expand_neg_mulpsi3): Handle non-ints.
16677 (m32c_cmp_flg_0): New.
16678 (m32c_expand_movcc): New.
16679 (m32c_expand_insv): New.
16680 (m32c_scc_pattern): New.
16681 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16682 a0/a1 out of SIregs.
16683 (STORE_FLAG_VALUE): New.
16684 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16687 * config/m32c/mov.md: Make constraints more liberal.
16688 (zero_extendqihi2): Optimize r0/r1 case.
16689 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16690 * config/m32c/predicates.md (m32c_any_operand): New.
16691 (m32c_nonimmediate_operand): New.
16692 (m32c_hl_operand): New.
16693 (m32c_r3_operand): New.
16696 (memsym_operand): New.
16697 (memimmed_operand): New.
16698 (a_qi_operand): New.
16699 (m32c_eqne_operator): New.
16700 (m32c_1bit8_operand): New.
16701 (m32c_1bit16_operand): New.
16702 (m32c_1mask8_operand): New.
16703 (m32c_1mask16_operand): New.
16704 * config/m32c/blkmov.md: New file.
16705 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16707 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16709 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16710 unsigned to fix signed/unsigned comparison issue in
16711 DWARF2_FRAME_REG_OUT.
16712 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16713 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16715 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16716 of ptr into the ENABLE_CHECKING section.
16718 2006-03-08 Jeff Law <law@redhat.com>
16720 * tree-vrp.c (infer_value_range): Only count pointer uses
16721 and dereferences if -fdelete-null-pointer-checks is enabled.
16723 * tree-vrp.c (find_assert_locations): Infer value ranges for
16724 single use pointers, but do not create ASSERT_EXPRs for them.
16725 When a non-null range is inferred for a pointer, backwards
16726 propagate that range to other equivalent pointers through the
16729 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16732 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16733 language hook targets.
16734 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16735 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16736 if language hook targets were missing.
16738 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16740 * tree-ssa-opfinalize.h: Removed.
16741 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16743 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16744 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16745 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16746 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16747 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16748 finalize_ssa_v_must_def_ops): New.
16750 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16752 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16753 block as parameter.
16755 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16757 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16759 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16760 addresses with offsets; reorganize.
16762 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16763 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16764 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16766 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16769 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16771 2006-03-08 Ben Elliston <bje@au.ibm.com>
16773 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16775 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16778 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16781 2006-03-07 Richard Guenther <rguenther@suse.de>
16783 PR tree-optimization/26587
16784 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16786 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16788 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16790 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16792 * hooks.c (hook_bool_mode_rtx_true): New function.
16793 * hooks.h (hook_bool_mode_rtx_true): Declare.
16794 * toplev.c (compile_file): Call output_shared_constant_pool.
16795 * varasm.c (shared_constant_pool): New variable.
16796 (assemble_start_function, assemble_end_function): Remove arguments
16797 from call to output_constant_pool.
16798 (create_constant_pool): New function, split out from...
16799 (init_varasm_status): ...here.
16800 (force_const_mem): Choose between the shared and per-function constant
16801 pools. Set current_function_uses_const_pool when reusing old entries
16802 as well as when creating new ones.
16803 (mark_constant): Ignore data argument.
16804 (mark_constants): Remove pool argument.
16805 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16806 to decide whether the function uses a constant pool.
16807 (output_constant_pool_contents): New function, split out from...
16808 (output_constant_pool): ...here.
16809 (output_shared_constant_pool): New function.
16810 (init_varasm_once): Initialize shared_constant_pool.
16811 * output.h (output_constant_pool): Delete.
16812 (output_shared_constant_pool): Declare.
16813 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16814 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16816 2006-03-06 Nick Clifton <nickc@redhat.com>
16818 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16819 flag_strength_reduce.
16821 2006-03-06 Ben Elliston <bje@au.ibm.com>
16823 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16824 x86_64-*-linux* configurations.
16826 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16827 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16829 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16831 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16833 * basic-block.h: Remove the extern for
16834 rediscover_loops_after_threading.
16836 * cfgloop.c (cancel_loop): Make it static.
16837 * cfgloop.h: Remove the prototype for cancel_loop.
16839 * flow.c (recompute_reg_usage): Make it static.
16840 * rtl.h: Remove the prototype for recompute_reg_usage.
16842 * function.c (use_return_register): Make it static.
16843 * function.h: Remove the prototype.
16845 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16847 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16849 * recog.h: Remove the prototype for
16850 validate_change_maybe_volatile.
16852 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16854 * rtlanal.c (replace_reg): Remove.
16855 * rtl.h: Remove the prototype for replace_reg.
16857 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16859 * regclass.c (reg_scan_update): Remove.
16860 (reg_scan_mark_refs): Remove the last argument.
16861 * rtl.h: Remove the prototype for reg_scan_update.
16863 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16865 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16866 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16867 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16868 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16869 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16870 loop-invariant.c, omp-low.c, opts.c, passes.c,
16871 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16872 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16873 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16874 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16875 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16876 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16878 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16880 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16881 * dwarf2out.h: Remove the prototype for
16882 dwarf2out_add_library_unit_info.
16884 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16886 * tree.c (add_var_to_bind_expr): Remove.
16887 * tree.h: Remove the prototype for add_var_to_bind_expr.
16889 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16891 * regclass.c (n_non_fixed_regs): Remove.
16892 (init_reg_sets_1, globalize_reg): Remove all uses of
16894 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16898 * rtlanal.c (insns_safe_to_move_p): Remove.
16899 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16901 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16903 * expmed.c (expand_mult_add): Remove.
16904 * expr.h: Remove the prototype for expand_mult_add.
16906 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16908 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16909 and REG_SAVED_VAL_EXP constants.
16910 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16911 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16912 Handle regs stored by value.
16913 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16914 (execute_cfa_program): Handle DW_CFA_val_offset,
16915 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16916 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16917 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16918 (uw_install_context_1): Handle target regs stored by value.
16920 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16922 * tree-sra.c (tree_sra): Return todoflags;
16923 (generate_one_element): Set TODO_update_smt_usage if needed.
16924 (pass_sra): Remove TODO_update_smt_usage.
16925 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16927 (tree_ssa_forward_propagate_single_use_vars): Return
16928 TODO_update_smt_usage if we need to update SMT usage.
16929 (pass_forwprop): Remove TODO_update_smt_usage.
16931 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16933 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16934 (correct_use_link): Remove reference to get_stmt_operands.
16935 (update_stmt_operands): Likewise.
16936 (get_modify_expr_operands): New function factored out of
16937 parse_ssa_operands and get_expr_operands.
16938 Try to create V_MUST_DEFs for LHS by default.
16939 (get_expr_operands) <case MODIFY_EXPR>: Call
16940 get_modify_expr_operands.
16941 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16942 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16943 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16944 get_modify_expr_operands.
16946 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16948 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16949 * tree-flow.h: Remove the prototype for
16950 referenced_var_lookup_if_exists.
16952 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16954 PR rtl-optimization/26345
16956 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16958 2006-03-03 Roger Sayle <roger@eyesopen.com>
16960 PR tree-optimization/26524
16961 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16962 fold_convert to create a constant of the appropriate type.
16964 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16966 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16967 SYMBOL_REF_IN_BLOCK_P.
16968 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16969 of SYMBOL_FLAG_IN_BLOCK.
16970 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16971 instead of SYMBOL_REF_IN_BLOCK_P.
16972 * explow.c (use_anchored_address): Likewise.
16973 * rtl.c (rtx_size): Likewise.
16974 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16975 instead of SYMBOL_FLAG_IN_BLOCK.
16976 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16977 SYMBOL_REF_IN_BLOCK_P.
16978 (assemble_variable): Likewise.
16979 (output_constant_def_contents): Likewise.
16980 (output_constant_pool): Likewise.
16981 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16982 instead of SYMBOL_FLAG_IN_BLOCK.
16983 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16984 SYMBOL_REF_IN_BLOCK_P.
16985 (SYMBOL_REF_BLOCK): Likewise.
16986 (SYMBOL_REF_OFFSET): Likewise.
16987 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16988 SYMBOL_REF_IN_BLOCK_P.
16989 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16990 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16991 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16992 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16994 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16996 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16998 2006-03-02 Roger Sayle <roger@eyesopen.com>
17000 * simplify-rtx.c (simplify_unary_operation): When simplifying
17001 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17002 that we perform the right shift in the appropriate mode, and
17003 then extend or truncate the result to requested mode.
17005 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17007 * gengtype.c (main): Handle double_int type.
17008 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17009 * double-int.c: New file.
17010 * double-int.h: New file.
17011 * system.h: Include doubleint.h.
17012 * Makefile.in (SYSTEM_H): Include double-int.h.
17013 (double-int.o): Add.
17015 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17018 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17021 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17023 * tree-vrp.c (remove_range_assertions): Do not update statements
17026 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17028 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17030 * gcse.c (rest_of_handle_gcse): Ditto.
17031 * except.c (gate_handle_eh): Ditto.
17032 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17033 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17035 2006-03-02 Eric Christopher <echristo@apple.com>
17037 * config/i386/i386.c (machopic_output_stub): Add indirection to
17040 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17044 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17046 Sun Niagara specific optimizations.
17047 * config.gcc: Recognize niagara as target.
17048 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17049 (TARGET_CPU_niagara): Define.
17050 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17051 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17052 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17053 (ASM_CPU_SPEC): Likewise.
17054 (PROCESSOR_NIAGARA): New enum entry.
17055 (REGISTER_MOVE_COST): Handle Niagara.
17056 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17057 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17058 (sparc_override_options): Recognize "niagara", set appropriate
17059 default MASK_* values for it, and align functions to 32-bytes
17060 by default just like ULTRASPARC/ULTRASPARC3.
17061 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17062 (sparc64_initialize_trampoline): Likewise.
17063 (sparc_use_sched_lookahead): Use zero for niagara.
17064 (sparc_issue_rate): Use one for niagara.
17065 * config/sparc/niagara.md: New file.
17066 * config/sparc/sparc.md: Include it.
17067 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17068 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17069 when default cpu is niagara.
17070 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17071 (ASM_CPU_SPEC): Likewise.
17072 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17073 when default cpu is niagara.
17074 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17075 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17076 just like v9/ultrasparc/ultrasparc3.
17077 * doc/invoke.texi: Add documentation for "niagara" and improve
17078 existing documentation for ultrasparc variants.
17080 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17082 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17084 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17086 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17087 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17088 and say that only one is needed.
17089 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17090 * target.h (have_switchable_bss_sections): New hook.
17091 * explow.c (use_anchored_address): Check that the symbol is in a block.
17092 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17093 (bss_noswitch_section): New variables.
17094 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17095 (get_noswitch_section): New function.
17096 (get_block_for_section): Allow SECT to be null.
17097 (unlikely_text_section_p): Use SECTION_STYLE.
17098 (bss_initializer_p): New function.
17099 (get_variable_section): Move earlier in file. Take a new argument,
17100 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17101 Return one of the new *_sections in such cases.
17102 (get_block_for_decl): New function, extracting some logic from
17103 use_blocks_for_decl_p.
17104 (change_symbol_section): Remove in favor of...
17105 (change_symbol_block): ...this new function.
17106 (use_blocks_for_decl_p): Remove checks now performed by
17107 get_block_for_decl.
17108 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17109 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17110 (emit_local, emit_bss, emit_common): ...these new functions.
17111 Return true if the alignment was honored.
17112 (emit_tls_common): New function.
17113 (asm_emit_uninitialised): Delete.
17114 (assemble_variable_noswitch): New function, split out from...
17115 (assemble_variable): ...here. Don't make decisions about common
17116 variables here. Globalize all public decls that go into non-common
17117 sections. Check whether SYMBOL_REF_BLOCK is null.
17118 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17119 (output_constant_pool): Likewise.
17120 (init_varasm_once): Initialize the new section variables.
17121 (have_global_bss_p): New function.
17122 (categorize_decl_for_section): Use bss_initializer_p.
17123 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17124 (place_block_symbol): Assert that the symbol must be in a block.
17125 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17126 (TARGET_INITIALIZER): Include it.
17127 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17128 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17129 (SECTION_MACH_DEP): Bump by two.
17130 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17131 (unnamed_section): Mention SECTION_UNNAMED in comment.
17132 (named_section): Likewise SECTION_NAMED.
17133 (noswitch_section_callback): New type.
17134 (noswitch_section): New structure.
17135 (section): Add a noswitch_section alternative.
17136 (SECTION_STYLE): New macro.
17137 (tls_comm_section, comm_section, lcomm_section): Declare.
17138 (bss_noswitch_section, have_global_bss_p): Declare.
17139 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17140 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17142 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17143 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17146 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17148 * tree-vrp.c (execute_vrp): Return value.
17149 * regrename.c (rest_of_handle_regrename): Ditto.
17150 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17151 * tree-complex.c (tree_lower_complex): Ditto.
17152 (tree_lower_complex_O0): Ditto.
17153 * tracer.c (rest_of_handle_tracer): Ditto.
17154 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17155 * postreload.c (rest_of_handle_postreload): Ditto.
17156 * tree-tailcall.c (execute_tail_recursion): Ditto.
17157 (execute_tail_calls): Ditto.
17158 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17159 * tree.h (init_function_for_compilation): Ditto.
17160 * ipa-cp.c (ipcp_driver): Ditto.
17161 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17162 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17163 * final.c (compute_alignments): Ditto.
17164 (rest_of_handle_final): Ditto.
17165 (rest_of_handle_shorten_branches): Ditto.
17166 (rest_of_clean_state): Ditto.
17167 * omp-low.c (execute_expand_omp): Ditto.
17168 (execute_lower_omp): Ditto.
17169 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17170 * ipa-reference.c (static_execute): Ditto.
17171 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17172 * reorg.c (rest_of_handle_delay_slots): Ditto.
17173 (rest_of_handle_machine_reorg): Ditto.
17174 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17175 * flow.c (recompute_reg_usage): Ditto.
17176 (rest_of_handle_remove_death_notes): Ditto.
17177 (rest_of_handle_life): Ditto.
17178 (rest_of_handle_flow2): Ditto.
17179 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17180 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17181 (do_ssa_store_ccp): Ditto.
17182 (execute_fold_all_builtins): Ditto.
17183 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17184 * modulo-sched.c (rest_of_handle_sms): Ditto.
17185 * ipa-pure-const.c (static_execute): Ditto.
17186 * cse.c (rest_of_handle_cse): Ditto.
17187 (rest_of_handle_cse2): Ditto.
17188 * web.c (rest_of_handle_web): Ditto.
17189 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17190 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17191 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17192 * tree-nrv.c (tree_nrv): Ditto.
17193 (execute_return_slot_opt): Ditto.
17194 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17195 (create_structure_vars): Ditto.
17196 * loop-init.c (rtl_loop_init): Ditto.
17197 (rtl_loop_done): Ditto.
17198 (rtl_move_loop_invariants): Ditto.
17199 (rtl_unswitch): Ditto.
17200 (rtl_unroll_and_peel_loops): Ditto.
17201 (rtl_doloop): Ditto.
17202 * gimple-low.c (lower_function_body): Ditto.
17203 (mark_used_blocks): Ditto.
17204 * tree-ssa-sink.c (execute_sink_code): Ditto.
17205 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17206 (cgraph_early_inlining): Ditto.
17207 * global.c (rest_of_handle_global_alloc): Ditto.
17208 * jump.c (cleanup_barriers): Ditto.
17209 (purge_line_number_notes): Ditto.
17210 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17211 (rest_of_handle_if_after_reload): Ditto.
17212 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17213 (tree_ssa_loop_im): Ditto.
17214 (tree_ssa_loop_unswitch): Ditto.
17215 (tree_vectorize): Ditto.
17216 (tree_linear_transform): Ditto.
17217 (tree_ssa_loop_ivcanon): Ditto.
17218 (tree_ssa_empty_loop): Ditto.
17219 (tree_ssa_loop_bounds): Ditto.
17220 (tree_complete_unroll): Ditto.
17221 (tree_ssa_loop_prefetch): Ditto.
17222 (tree_ssa_loop_ivopts): Ditto.
17223 (tree_ssa_loop_done): Ditto.
17224 * predict.c (tree_estimate_probability): Ditto.
17225 * recog.c (split_all_insns_noflow): Ditto.
17226 (rest_of_handle_peephole2): Ditto.
17227 (rest_of_handle_split_all_insns): Ditto.
17228 * tree-eh.c (lower_eh_constructs): Ditto.
17229 * regmove.c (rest_of_handle_regmove): Ditto.
17230 (rest_of_handle_stack_adjustments): Ditto.
17231 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17232 * function.c (instantiate_virtual_regs): Ditto.
17233 (init_function_for_compilation): Ditto.
17234 (rest_of_handle_check_leaf_regs): Ditto.
17235 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17236 (rest_of_handle_gcse): Ditto.
17237 * ipa-type-escape.c (type_escape_execute): Ditto.
17238 * alias.c (rest_of_handle_cfg): Ditto.
17239 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17240 * profile.c (rest_of_handle_branch_prob): Ditto.
17241 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17242 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17243 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17244 * tree-dfa.c (find_referenced_vars): Ditto.
17245 * except.c (set_nothrow_function_flags): Ditto.
17246 (convert_to_eh_region_ranges): Ditto.
17247 (rest_of_handle_eh): Ditto.
17248 * emit-rtl.c (unshare_all_rtl): Ditto.
17249 (remove_unnecessary_notes): Ditto.
17250 * except.h (set_nothrow_function_flags): Ditto.
17251 (convert_to_eh_region_ranges): Ditto.
17252 * cfgexpand.c (tree_expand_cfg): Ditto.
17253 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17254 * tree-ssa-pre.c (do_pre): Ditto.
17255 (execute_fre): Ditto.
17256 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17257 (rest_of_handle_jump2): Ditto.
17258 * tree-sra.c (tree_sra): Ditto.
17259 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17260 (execute_mudflap_function_decls): Ditto.
17261 * tree-ssa-copy.c (do_copy_prop): Ditto.
17262 (do_store_copy_prop): Ditto.
17263 * ipa-prop.h (ipcp_driver): Ditto.
17264 * cfglayout.c (insn_locators_initialize): Ditto.
17265 * tree-ssa-forwprop.c
17266 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17267 * cfglayout.h (insn_locators_initialize): Ditto.
17268 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17269 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17270 (execute_late_warn_uninitialized): Ditto.
17271 * rtl.h (cleanup_barriers): Ditto.
17272 (split_all_insns_noflow): Ditto.
17273 (purge_line_number_notes): Ditto.
17274 (unshare_all_rtl): Ditto.
17275 (remove_unnecessary_notes): Ditto.
17276 (recompute_reg_usage): Ditto.
17277 (variable_tracking_main): Ditto.
17278 * integrate.c (emit_initial_value_sets): Ditto.
17279 * integrate.h (emit_initial_value_sets): Ditto.
17280 * tree-optimize.c (execute_free_datastructures): Ditto
17281 (execute_free_cfg_annotations): Ditto.
17282 (execute_fixup_cfg): Ditto.
17283 (execute_cleanup_cfg_pre_ipa): Ditto.
17284 (execute_cleanup_cfg_post_optimizing): Ditto.
17285 (execute_init_datastructures): Ditto.
17286 * tree-object-size.c (compute_object_sizes): Ditto.
17287 * combine.c (rest_of_handle_combine): Ditto.
17288 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17289 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17290 (rest_of_handle_reorder_blocks): Ditto.
17291 (rest_of_handle_partition_blocks): Ditto.
17292 * var-tracking.c (variable_tracking_main): Ditto.
17293 * tree-profile.c (tree_profiling): Ditto.
17294 * tree-vect-generic.c (expand_vector_operations): Ditto.
17295 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17296 * sched-rgn.c (rest_of_handle_sched): Ditto.
17297 (rest_of_handle_sched2): Ditto.
17298 * basic-block.h (free_bb_insn): Ditto.
17299 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17300 * tree-cfg.c (execute_build_cfg): Ditto.
17301 (remove_useless_stmts): Ditto.
17302 (split_critical_edges): Ditto.
17303 (execute_warn_function_return): Ditto.
17304 (execute_warn_function_noreturn): Ditto.
17305 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17306 * cfgrtl.c (free_bb_for_insn): Ditto.
17307 * passes.c (execute_one_pass): Run additional
17308 todos returned by execute function.
17309 * tree-pass.h (struct tree_opt_pass): Make execute
17312 2006-03-02 Richard Guenther <rguenther@suse.de>
17314 * tree-ssa-alias.c (find_used_portions): Consider taking
17315 the address as making the variable not write-only.
17317 2006-03-02 Nick Clifton <nickc@redhat.com>
17319 * config.gcc (default_use_cxa_atexit): Extend the description of
17320 this configure variable. Set its default value to "yes" for
17321 Linux, NetBSD and ELF targets on the assumption that they will
17322 use C libraries with the __cxa_atexit function.
17324 2006-03-02 Ben Elliston <bje@au.ibm.com>
17326 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17327 parameter as unused to suppress a build warning.
17329 2006-03-02 Ben Elliston <bje@au.ibm.com>
17331 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17334 2006-03-01 Roger Sayle <roger@eyesopen.com>
17337 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17338 declared name, the weak reference name, and the typeof name.
17339 (__gthrw): Avoid expanding the declared name suffix.
17340 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17342 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17344 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17346 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17347 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17348 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17349 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17350 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17351 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17352 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17353 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17354 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17355 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17356 (DW_END_default, DW_END_big, DW_END_little): New.
17357 (DW_END_lo_user, DW_END_hi_user): Define.
17358 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17359 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17360 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17363 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17365 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17367 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17369 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17371 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17373 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17374 to 'symbol_mem_tag'.
17376 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17379 2006-03-01 Roger Sayle <roger@eyesopen.com>
17381 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17383 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17386 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17387 MACHO_DYNAMIC_NO_PIC_P.
17388 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17390 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17393 * config/darwin-protos.h (darwin_asm_output_anchor):
17395 * config/darwin-sections.def (cstring_section):
17396 Add SECTION_MERGE to the flags.
17397 (literal4_section): Likewise.
17398 (literal8_section): Likewise.
17399 (objc_selector_refs_section): Likewise.
17400 (objc_cls_refs_section): Likewise.
17401 * config/darwin.c (darwin_asm_output_anchor): New
17403 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17405 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17407 Fix PR tree-optimization/26443
17408 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17409 to todo and PROP_tmt_usage to properties_destroyed.
17410 * tree-ssa-ccp.c (pass_ccp): Ditto.
17411 (pass_store_ccp): Ditto.
17412 * tree-ssa-dom.c (pass_dominator): Ditto.
17414 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17416 * tree-ssa-operands.c: Cleanup whitespace.
17417 (get_asm_expr_operands): Move before first invocation.
17418 (get_indirect_ref_operands): Likewise.
17419 (get_tmr_operands): Likewise.
17420 (get_call_expr_operands): Likewise.
17421 (append_def): Likewise.
17422 (append_use): Likewise.
17423 (append_v_may_def): Likewise.
17424 (append_v_must_def): Likewise.
17425 (add_call_clobber_ops): Likewise.
17426 (add_call_read_ops): Likewise.
17427 (add_stmt_operand): Likewise.
17428 (add_virtual_operand): Likewise.
17429 (build_ssa_operands): Likewise.
17431 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17433 PR middle-end/26022
17435 PR middle-end/24437
17436 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17437 with a call expr to ...
17438 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17440 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17442 * tree-vrp.c (extract_range_from_assert): Remove special
17443 handling for types with super-types.
17445 2006-03-01 Ben Elliston <bje@au.ibm.com>
17447 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17448 and powerpc64-*-linux* configurations.
17449 * config/t-dfprules: New file.
17451 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17452 Compile dfp-bit.c from the source directory using -DWIDTH and
17453 $DFP_CFLAGS to control the compilation of that file, rather than
17454 generating width-specific versions in the build directory.
17455 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17456 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17458 2006-02-28 Zack Weinberg <zackw@panix.com>
17460 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17463 2006-02-28 Eric Christopher <echristo@apple.com>
17465 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17466 Set up IN_LIBGCC definition of TARGET_64BIT.
17467 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17469 2006-02-28 Roger Sayle <roger@eyesopen.com>
17471 PR middle-end/14752
17472 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17473 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17474 cases via the construction of "expr != 0".
17476 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17478 * alias.c (alias_invariant, alias_invariant_size): Remove.
17479 (record_base_value): Remove.
17480 (memrefs_conflict_p): Don't look at alias_invariant.
17481 (end_alias_analysis): Don't free it.
17482 * alias.h (record_base_value): Remove prototype.
17484 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17485 Adam Nemet <anemet@caviumnetworks.com>
17487 * rtl.h (truncated_to_mode): Declare it.
17488 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17489 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17490 (RTL_HOOKS_INITIALIZER): Include it.
17491 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17492 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17493 reg_truncated_to_mode.
17494 * rtlanal.c (truncated_to_mode): Define it.
17495 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17497 2006-02-28 Jeff Law <law@redhat.com>
17499 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17500 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17501 the range allowed by TYPE_PRECISION.
17503 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17505 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17507 PR tree-optimization/26419
17508 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17511 2006-02-27 Zack Weinberg <zackw@panix.com>
17513 * doc/md.texi: Fix typo in previous change.
17515 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17519 2006-02-27 Zack Weinberg <zackw@panix.com>
17521 * rtl.def (define_constraint, define_register_constraint)
17522 (define_memory_constraint, define_address_constraint): New MD forms.
17523 * gensupport.c (process_rtx): Put define_constraint etc on the
17525 * genpreds.c (process_define_predicate): Adjust comment. Validate
17526 the name, and call validate_exp to validate the expression.
17527 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17528 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17529 all callers changed.
17530 (validate_exp, needs_variable, struct constraint_data)
17531 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17532 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17533 (const_dbl_constraints, constraint_max_namelen)
17534 (have_register_constraints, have_memory_constraints)
17535 (have_address_constraints, have_address_constraints)
17536 (have_extra_constraints, have_const_int_constraints)
17537 (have_const_dbl_constraints, mangle, add_constraint)
17538 (process_define_constraint, process_define_register_constraint)
17539 (write_enum_constraint_num, write_lookup_constraint)
17540 (write_insn_constraint_len, write_regclass_for_constraint)
17541 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17542 (write_insn_extra_memory_constraint)
17543 (write_insn_extra_address_constraint)
17544 (write_satisfies_constraint_fns): New.
17545 (write_tm_preds_h): If we have new-style constraint definitions,
17546 prototype the functions generated from them, and define the
17547 old constraint interface (still used by generic code) in terms of
17549 (write_insn_preds_c): If we have new-style constraint definitions,
17550 generate all relevant functions from those definitions.
17551 (main): Handle define_constraint etc.
17552 * genoutput.c (struct constraint_data, indep_constraints)
17553 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17554 (mdep_constraint_len): New data structures and functions, defined
17555 #ifdef USE_MD_CONSTRAINTS.
17556 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17557 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17558 use new logic to validate operand constraints against constraint
17560 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17562 * defaults.h: If none of the old-style constraint macros are
17563 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17564 old-style macros; and poison REG_CLASS_FROM_LETTER,
17565 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17567 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17568 * doc/md.texi: Document new constraint-definition mechanism and the
17569 C interface it provides. Remove references to old mechanism
17570 elsewhere in the document.
17571 (Machine Constraints): Use pathnames relative to gcc directory,
17572 i.e. config/ARCH/FILE. Change i386 section to refer to
17573 config/i386/predicates.md; update that section to match docstrings.
17574 * doc/tm.texi: Move all documentation of the old constraint-
17575 definition macros to their own section, clearly mark as obsolete.
17577 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17578 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17580 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17581 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17582 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17583 constraint strings.
17584 (splits and peepholes): Use satisfies_constraint_*.
17585 * config/i386/i386.c (memory_address_length)
17586 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17588 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17590 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17591 scalar operation to be put back into the loop.
17593 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17596 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17597 (extract_cie_info): Handle S flag in augmentation string.
17598 (execute_cfa_program): If context->signal_frame, execute also
17599 fs->pc == context->ra instructions.
17600 (uw_frame_state_for): If context->signal_frame, don't subtract one
17601 from context->ra to find FDE.
17602 (uw_update_context_1): Set context->signal_frame to
17604 (_Unwind_GetIPInfo): New function.
17605 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17606 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17608 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17609 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17610 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17611 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17612 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17613 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17614 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17615 x86_64_fallback_frame_state): Set fs->signal_frame.
17616 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17617 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17618 (frob_update_context): Likewise. Workaround missing S flag in
17619 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17620 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17621 Remove the psw_addr + 1 hack.
17623 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17625 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17626 with aggregates here.
17627 (find_func_aliases): Remove code for &<aggregate> from here.
17629 2006-02-26 Roger Sayle <roger@eyesopen.com>
17631 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17632 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17633 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17634 as (X & C) ne/eq 0.
17636 2006-02-26 Roger Sayle <roger@eyesopen.com>
17638 PR middle-end/19983
17639 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17641 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17643 * opts.c (decode_options): Do not handle flag_strength_reduce.
17644 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17645 and OPT_fstrength_reduce.
17646 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17647 flag_prefetch_loop_arrays for being nonzero.
17648 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17650 (fprefetch-loop-arrays-rtl): Removed.
17651 (flag_prefetch_loop_arrays): Do not specify the value.
17653 * doc/passes.texi: Update documentation of loop optimizer
17655 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17656 -frerun-loop-opt): Remove.
17658 2006-02-26 Richard Guenther <rguenther@suse.de>
17660 PR tree-optimization/26421
17661 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17662 in function calls that are ADDR_EXPRs as using the whole structure.
17664 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17666 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17667 * tree-pass.h (pass_loop_optimize): Remove.
17668 * passes.c (pass_loop_optimize): Never run it.
17669 * toplev.c (backend_init): Don't call init_loop.
17670 * opts.c (flag_loop_optimize_set): Remove.
17671 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17672 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17673 the old RTL loop optimizer when profiling enabled.
17674 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17675 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17676 pre-headers for the sake of the old RTL loop optimizer.
17677 * Makefile.in: Remove all references to loop.o.
17679 * doc/invoke.texi: Remove all references to -floop-optimize
17680 and -frerun-loop-opt.
17682 2006-02-26 Zack Weinberg <zackw@panix.com>
17684 * doc/md.texi (Machine Constraints): Refer to all files with paths
17685 relative to gcc directory (i.e. config/CPU/file). Add missing
17686 @table @code ... @end table to M32C subsection.
17688 2006-02-26 Roger Sayle <roger@eyesopen.com>
17690 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17692 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17694 2006-02-26 Roger Sayle <roger@eyesopen.com>
17695 James A. Morrison <phython@gcc.gnu.org>
17697 PR middle-end/21137
17698 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17699 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17700 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17701 signedness of the shift operation.
17703 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17705 PR tree-optimization/26359
17706 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17708 2006-02-25 Roger Sayle <roger@eyesopen.com>
17710 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17711 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17712 as X == 0, and some symmetry related transformations.
17713 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17715 2006-02-25 Roger Sayle <roger@eyesopen.com>
17717 PR middle-end/23673
17718 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17719 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17720 symmetry related transformations. Fold (X^C1) == C2 as
17723 2006-02-25 Juergen Weigert <jw@suse.de>
17724 Richard Guenther <rguenther@suse.de>
17726 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17728 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17730 * combine.c (gen_lowpart_or_truncate): Call
17731 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17733 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17735 * doc/invoke.texi: Move -fopenmp description to "Options for
17737 Remove reference to -lgomp.
17739 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17741 * doc/install.texi: Require GNU tar version 1.14.
17743 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17745 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17746 * doc/invoke.texi (C++ Dialect Options): Document
17747 -fno-use-cxa-get-exception-ptr.
17748 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17749 * configure: Regenerate.
17750 * c.opt (fuse-cxa-get-exception-ptr): New.
17751 * c-opts.c (c_common_handle_option): Handle
17752 OPT_fuse_cxa_get_exception_ptr.
17753 * c-common.c (flag_use_cxa_atexit): Update documentation.
17754 (flag_use_cxa_get_exception_ptr): New.
17755 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17756 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17758 (C_COMMON_OVERRIDE_OPTIONS): New.
17760 2006-02-24 Roger Sayle <roger@eyesopen.com>
17762 PR middle-end/24952
17763 * combine.c (try_combine): Explicitly check whether GET_CODE is
17764 a SET or a CLOBBER, instead on checking that it isn't a USE.
17766 2006-02-24 Roger Sayle <roger@eyesopen.com>
17768 * fold-const.c (fold_comparison): New subroutine of fold_binary
17769 containing transformations common to both the equality and
17770 ordering relational operators, factored out of fold_binary.
17771 (fold_binary): Separate out the equality operators (EQ_EXPR
17772 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17773 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17774 transformations common to both.
17775 (fold_div_compare): Fix latent bugs in the previously unreachable
17776 LT_EXPR and GE_EXPR cases.
17778 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17780 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17781 decl libname for clog to __clog on AIX.
17783 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17785 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17788 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17789 output traceback table for thunks. Localise rs6000_stack_info call.
17791 2006-02-23 Roger Sayle <roger@eyesopen.com>
17792 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17794 * gthr-posix.h (__gthrw): Fix typo in comment.
17796 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17798 * doc/cpp.texi (Character sets): Document that we do support
17799 input files to be in any character set.
17801 2006-02-23 Jeff Law <law@redhat.com>
17803 * tree.h (PHI_ARG_NONZERO): Remove.
17804 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17805 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17806 node to the new node.
17808 PR tree-optimization/26425
17809 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17810 min/max, then assume its varying.
17812 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17814 PR rtl-optimization/26316
17815 * rtlanal.c (enum may_trap_p_flags): New.
17816 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17817 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17818 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17819 (may_trap_after_code_motion_p): New function.
17820 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17821 (find_invariant_insn): Use may_trap_after_code_motion_p.
17822 * rtl.h (may_trap_after_code_motion_p): Declare.
17824 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17826 * emit-rtl.c (immed_double_const): Cleanup.
17828 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17830 Fix PR tree-optimization/26376
17831 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17834 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17836 PR middle-end/26412
17837 * gimplify.c (omp_add_variable): Guard variable size decl test with
17838 DECL_SIZE (decl) check.
17840 2006-02-23 Richard Guenther <rguenther@suse.de>
17842 PR middle-end/26439
17843 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17844 like aggregate types.
17846 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17848 * configure.ac: Add --with{,out}-long-double-128 configure option.
17849 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17850 * configure: Rebuilt.
17851 * config.in: Rebuilt.
17852 * doc/install.texi (Options specification): Document
17853 --with-long-double-128.
17855 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17856 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17857 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17858 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17860 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17862 * config/s390/s390.c (override_options): Handle
17863 TARGET_DEFAULT_LONG_DOUBLE_128.
17865 * config/alpha/alpha.c (override_options): Handle
17866 TARGET_DEFAULT_LONG_DOUBLE_128.
17868 * config/sparc/sparc.c (sparc_override_options): Handle
17869 TARGET_DEFAULT_LONG_DOUBLE_128.
17871 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17873 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17874 (real-install-headers-tar, real-install-headers-cpio)
17875 (real-install-headers-cp): New targets.
17877 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17879 * tree.h (variable_section): Delete.
17880 * varasm.c (variable_section): Delete.
17882 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17884 * install.texi: Add notes on install.texi2html.
17885 (Building in parallel): Do not use footnotes.
17887 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17890 * doc/install.texi (Configuration): Document --disable-libgomp.
17892 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17894 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17896 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17898 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17899 (vec_extractv2df_0_sse): New.
17901 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17903 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17904 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17905 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17906 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17907 to the result of the expression.
17908 (def_cfa_1): Adjust.
17909 (frame_pointer_cfa_offset): Rename to...
17910 (frame_pointer_fb_offset): ... this. Adjust all uses.
17911 (convert_cfa_to_loc_list): Rename to...
17912 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17913 Pass it on to build_cfa_loc.
17914 (compute_frame_pointer_to_cfa_displacement): Rename to...
17915 (compute_frame_pointer_to_fb_displacement): ... this. New
17916 offset parameter. Use it in computation.
17917 (gen_subprogram_die): Compute cfa_fb_offset with the new
17918 macro, and use it to compute the fb loc list and the
17921 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17923 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17924 replaced with register_operand.
17925 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17926 non-DREG is expensive.
17927 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17928 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17931 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17933 * doc/install.texi2html: Use set -e.
17935 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17937 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17938 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17939 * doc/invoke.texi (-fshared-data): Delete.
17940 * common.opt (fshared-data): Delete.
17941 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17942 (assemble_static_space): Remove #if 0 code.
17943 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17944 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17945 * config/cris/cris.h: Remove FIXME.
17947 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17949 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17952 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17954 PR middle-end/26379
17955 * combine.c (simplify_shift_const_1): Disable nested shifts
17956 optimization for vector shifts.
17958 2006-02-20 Roger Sayle <roger@eyesopen.com>
17960 PR tree-optimization/26361
17961 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17962 of unsigned integer types.
17964 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17966 * tree-chrec.c (eq_evolutions_p): New.
17967 * tree-chrec.h (eq_evolutions_p): Declared.
17968 * tree-data-ref.c: Fix formatting.
17969 (datadep_stats, dependence_stats): New.
17971 (print_direction_vector): New.
17972 (dump_data_dependence_relation): Use print_direction_vector.
17973 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17974 (compute_subscript_distance): Static.
17975 (initialize_data_dependence_relation): Static. Get the number
17976 of loops surrounding the references from the callers, and initialize
17977 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17978 base_object_differ_p analyzers.
17979 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17980 compute_overlap_steps_for_affine_1_2,
17981 analyze_subscript_affine_affine): Count the classified dependences.
17982 Print a message when a test failed.
17983 (can_use_analyze_subscript_affine_affine): New.
17984 (analyze_siv_subscript): Compute the data dependences on symbolic
17985 scevs that verify can_use_analyze_subscript_affine_affine.
17986 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17987 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17988 Handle symbolic scevs.
17989 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17991 (subscript_dependence_tester): Moved...
17992 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17993 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17994 DDR_SIZE_VECT instead of getting it in parameter.
17995 (subscript_dependence_tester): ... here. Take as a parameter
17996 loop_nest_depth. Call build_classic_dist_vector and
17997 build_classic_dir_vector.
17998 (compute_affine_dependence): Update subscript_dependence_tester
17999 parameters. Update datadep_stats counters. Call
18000 compute_subscript_distance.
18001 (compute_self_dependence): Save the dist and dir vectors. Call
18002 compute_subscript_distance.
18003 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18004 (compute_all_dependences): Reorder parameters as they were before
18005 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18006 compute_subscript_distance. Update the use of
18007 compute_affine_dependence and initialize_data_dependence_relation.
18008 (find_data_references_in_loop): Handle COMPONENT_REF.
18009 (compute_data_dependences_for_loop): Initialize dependence_stats.
18010 Don't call build_classic_dist_vector and build_classic_dir_vector.
18011 Update the parameters of initialize_data_dependence_relation and
18012 compute_all_dependences. Print the statistics from datadep_stats.
18013 (analyze_all_data_dependences): Static. Not used until the pass for
18014 checking the data dependences is contributed.
18015 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18016 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18017 (initialize_data_dependence_relation, compute_affine_dependence,
18018 analyze_all_data_dependences, compute_subscript_distance): Removed.
18019 (print_direction_vector): New.
18020 * lambda.h (gcd): ... here.
18021 (lambda_vector_gcd): Moved here from gcd_vector.
18022 * lambda-code.c (gcd, gcd_vector): Removed.
18023 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18024 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18026 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18028 * ipa-type-escape.c: Tidy some comments and white space.
18029 * tree-ssa-operands.c: Likewise.
18031 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18034 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18035 (dump_decl_name): Do not walk the decl tree chains.
18036 * tree-pass.h (TDF_CHAIN): Remove.
18038 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18040 * Makefile.in (C): Remove
18042 (.PHONY): Remove C and PROTO
18044 2006-02-20 Roger Sayle <roger@eyesopen.com>
18046 PR middle-end/26236
18047 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18048 deprecated CHAR_TYPE tree code.
18050 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18052 * configure.ac (target_list): Add install-info, dvi, html.
18053 * configure: Regenerate.
18055 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18056 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18057 treelang/Make-lang.in: Do not use double-colon rules.
18059 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18061 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18062 (TMT_USED_ALONE): New macro.
18063 * tree-pass.h (PROP_tmt_usage): New property.
18064 (TODO_update_tmt_usage): New todo.
18065 * tree-ssa-alias.c (updating_used_alone): New variable.
18066 (recalculate_used_alone): New function.
18067 (compute_may_aliases): Set updating_used_alone, call
18068 recalculate_used_alone.
18069 * tree-sra.c (pass_sra): Note that this pass destroys
18070 PROP_tmt_usage, and add TODO_update_tmt_usage.
18071 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18072 * tree-flow.h (updating_used_alone): Prototype.
18073 (recalculate_used_alone): Ditto.
18074 * passes.c (execute_todo): Add code to set updating_used_alone,
18075 and call recalculate.
18076 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18077 for clobber if used alone, and add assert to verify used_alone
18080 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18082 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18083 for non tls symbols added.
18084 (legitimize_address): Do nothing for PLUS expressions if one of the
18085 addends is a tls symbol reference.
18087 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18091 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18093 * Makefile.in (BOOTSTRAPPING): New.
18094 (quickstrap): New definition if BOOTSTRAPPING=yes.
18096 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18097 * configure.ac: Substitute all_selected_languages with the languages
18098 that were configured. For all the other variables except
18099 lang_specs_files, include all the languages in the tree.
18100 * configure: Regenerate.
18102 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18103 if there is one. Run the commands to run fixincludes in the same
18106 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18107 * doc/install.texi: Document exact conventions for searching target tools.
18108 Document --with-build-time-tools. Document toplevel bootstrap. Document
18109 something more about building an Ada cross-compiler. Don't list GNU Make
18110 requirements which affect all platforms.
18112 2006-02-19 Roger Sayle <roger@eyesopen.com>
18114 PR middle-end/19543
18115 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18116 only equivalent if the have both the same mode and precision.
18118 2006-02-20 Ben Elliston <bje@au.ibm.com>
18120 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18122 2006-02-19 Roger Sayle <roger@eyesopen.com>
18123 Steven Bosscher <stevenb.gcc@gmail.com>
18125 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18126 constant pool references to identify stack mode constants.
18127 * rtlanal.c (constant_pool_constant_p): New predicate to check
18128 whether operand is a floating point constant in the pool.
18129 * rtl.h (constant_pool_constant_p): Prototype here.
18130 * loop.c (scan_loop): Avoid hoisting constants from the constant
18131 pool on STACK_REGS targets.
18132 (load_mems): Likewise.
18133 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18134 loads into x87 registers expensive in terms of register pressure.
18136 2006-02-19 Roger Sayle <roger@eyesopen.com>
18138 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18139 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18141 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18143 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18144 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18146 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18148 * doc/invoke.texi: Document -fipa-pta.
18149 * common.opt: Add ipa-pta option.
18150 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18151 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18152 (do_ds_constraint): Ditto.
18153 (get_constraint_for): Only add to referenced_vars if
18154 referenced_vars exists.
18155 (insert_into_field_list): Rewrite to do this unsorted.
18156 (insert_into_field_list_sorted): Rename old insert_into_field_list
18158 (create_function_info_for): Use insert_into_field_list_sorted.
18159 (create_variable_info_for): Rewrite so it uses unsorted version,
18160 since the field list is sorted.
18161 (intra_create_variable_infos): Only add to referenced_vars if
18162 referenced_vars exists.
18163 (ipa_pta_execute): Init heapvars, and delete when done.
18164 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18166 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18168 * doc/install.texi: Add missing `@samp'.
18170 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18172 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18175 2006-02-18 Mark Wielaard <mark@klomp.org>
18177 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18178 who added new 4.1 features, bug fixes and integration support.
18180 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18183 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18184 MEM for ABI_V4 pic.
18186 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18188 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18189 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18190 (copy_insn_1): Likewise. Don't copy each field individually.
18192 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18194 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18195 * rtl.c (rtx_size): Rename variable to...
18196 (rtx_code_size): ...this.
18197 (rtx_size): New function.
18198 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18199 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18201 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18202 * rtl.h (rtx_code_size): New variable.
18203 (rtx_size): Change from a variable to a function.
18204 (RTX_SIZE): Rename to...
18205 (RTX_CODE_SIZE): ...this.
18208 PR tree-optimization/17106
18209 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18210 (Anchored Addresses): New section.
18211 * doc/invoke.texi (-fsection-anchors): Document.
18212 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18213 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18214 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18215 * hooks.c (hook_bool_mode_rtx_false): New function.
18216 * hooks.h (hook_bool_mode_rtx_false): Declare.
18217 * gengtype.c (create_optional_field): New function.
18218 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18219 SYMBOL_REF_IN_BLOCK_P is true.
18220 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18221 (min_anchor_offset, max_anchor_offset): Likewise.
18222 (use_anchors_for_symbol_p): New hook.
18223 * toplev.c (compile_file): Call output_object_blocks.
18224 (target_supports_section_anchors_p): New function.
18225 (process_options): Check that -fsection-anchors is only used on
18226 targets that support it and when -funit-at-a-time is in effect.
18227 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18228 if the decl doesn't have one.
18229 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18230 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18231 of force_const_mem through use_anchored_address.
18232 (expand_expr_constant): New function.
18233 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18234 calling expand_expr for INDIRECT_REF.
18235 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18236 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18237 * expr.h (use_anchored_address): Declare.
18238 * loop-unroll.c: Don't declare rtx vectors here.
18239 * explow.c: Include output.h.
18240 (validize_mem): Call use_anchored_address.
18241 (use_anchored_address): New function.
18242 * common.opt (-fsection-anchors): New switch.
18243 * varasm.c (object_block_htab, anchor_labelno): New variables.
18244 (hash_section, object_block_entry_eq, object_block_entry_hash)
18245 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18246 (use_blocks_for_decl_p, change_symbol_section): New functions.
18247 (get_variable_section): New function, split out from assemble_variable.
18248 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18249 use_blocks_for_decl_p say so. Use change_symbol_section if the
18250 symbol has already been created.
18251 (assemble_variable_contents): New function, split out from...
18252 (assemble_variable): ...here. Don't output any code for
18253 block symbols; just pass them to place_block_symbol.
18254 Use get_variable_section and assemble_variable_contents.
18255 (get_constant_alignment, get_constant_section, get_constant_size): New
18256 functions, split from output_constant_def_contents.
18257 (build_constant_desc): Create a block symbol if use_object_blocks_p
18258 says so. Or into SYMBOL_REF_FLAGS.
18259 (assemble_constant_contents): New function, split from...
18260 (output_constant_def_contents): ...here. Don't output any code
18261 for block symbols; just pass them to place_section_symbol.
18262 Use get_constant_section and get_constant_alignment.
18263 (force_const_mem): Create a block symbol if use_object_blocks_p and
18264 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18265 (output_constant_pool_1): Add an explicit alignment argument.
18266 Don't switch sections here.
18267 (output_constant_pool): Adjust call to output_constant_pool_1.
18268 Switch sections here instead. Don't output anything for block symbols;
18269 just pass them to place_block_symbol.
18270 (init_varasm_once): Initialize object_block_htab.
18271 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18272 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18273 (place_block_symbol, get_section_anchor, output_object_block)
18274 (output_object_block_htab, output_object_blocks): New functions.
18275 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18276 (TARGET_ASM_OUT): Include it.
18277 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18278 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18279 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18280 (TARGET_INITIALIZER): Include them.
18281 * rtl.c (rtl_check_failed_block_symbol): New function.
18282 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18283 (block_symbol, object_block): New structures.
18284 (rtx_def): Add a block_symbol field to the union.
18285 (BLOCK_SYMBOL_CHECK): New macro.
18286 (rtl_check_failed_block_symbol): Declare.
18287 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18288 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18289 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18290 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18291 * output.h (output_section_symbols): Declare.
18292 (object_block): Name structure.
18293 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18294 (default_use_anchors_for_symbol_p): Declare.
18295 * Makefile.in (RTL_BASE_H): Add vec.h.
18296 (explow.o): Depend on output.h.
18297 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18298 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18299 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18300 (rs6000_use_blocks_for_constant_p): New function.
18302 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18304 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18306 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18309 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18312 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18314 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18318 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18320 PR middle-end/26334
18321 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18322 instead of DECL_REGISTER.
18324 2006-02-18 Olivier Hainque <hainque@adacore.com>
18327 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18329 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18332 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18333 * opth-gen.awk: Handle Var and InverseMask together.
18334 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18335 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18336 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18337 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18339 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18340 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18341 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18342 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18343 LINUX_DYNAMIC_LINKER): Define.
18344 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18345 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18347 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18348 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18349 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18350 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18351 (TARGET_C99_FUNCTIONS): Don't define.
18352 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18353 GLIBC_DYNAMIC_LINKER.
18354 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18355 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18356 GLIBC_DYNAMIC_LINKER64): Define.
18357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18358 LINUX_DYNAMIC_LINKER64.
18359 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18360 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18361 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18363 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18365 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18366 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18367 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18369 and LINUX_DYNAMIC_LINKER32.
18370 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18372 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18374 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18376 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18377 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18378 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18379 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18380 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18381 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18382 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18383 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18384 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18385 LINUX_DYNAMIC_LINKER): Define.
18386 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18387 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18388 GLIBC_DYNAMIC_LINKER64): Define.
18389 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18390 LINUX_DYNAMIC_LINKER64.
18391 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18392 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18393 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18394 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18395 LINUX_DYNAMIC_LINKER): Define.
18396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18397 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18398 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18399 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18400 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18401 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18402 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18403 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18404 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18405 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18407 * doc/invoke.texi (-muclibc): Remove caveat about supported
18410 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18412 * doc/cpp.texi (__TIMESTAMP__): Document.
18414 2006-02-17 Roger Sayle <roger@eyesopen.com>
18416 PR middle-end/25600
18417 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18418 C is one less than the width of X (and related transformations).
18419 * simplify-rtx.c (simplify_unary_operation_1): Transform
18420 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18421 depending on STORE_FLAG_VALUE, were C is one less then the
18424 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18426 Fix PR tree-optimization/26341
18427 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18428 about NAME_MEMORY_TAG's.
18430 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18433 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18434 with hardware float support, and software float support. Add fcpy
18435 alternative to hardware patterns. Add alternatives to copy between
18436 general and floating-point registers to the 32-bit pattern.
18437 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18438 secondary reload to load a QI or HI mode constant into a floating
18440 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18441 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18443 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18446 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18448 (load_macho_picbase_di): Likewise.
18450 2006-02-16 Jeff Law <law@redhat.com>
18452 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18453 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18454 (ssa_name_nonzero_p): Likewise.
18455 (get_value_range): Return NULL if VRP is not running.
18456 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18457 VRP routines do not discover a range.
18458 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18459 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18460 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18461 (tree_expr_nonnegative_p): Similarly.
18462 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18463 (restore_nonzero_vars_to_original_value): Remove.
18464 (unsafe_associative_fp_binop): Remove.
18465 (tree_ssa_dominator_optimize): Remove initialization and
18466 finalization of nonzero_vars and nonzero_vars_stack.
18467 (dom_opt_initialize_block): No longer push marker on
18468 nonzero_vars_stack.
18469 (dom_opt_finalize_block): No longer call
18470 restore_nonzero_vars_to_original_value.
18471 (record_equivalences_from_phis): No longer look for
18472 nonzero PHI arguments.
18473 (cprop_into_successor_phis): No longer propagate nonzero
18474 property into PHI arguments. Lose unused argument. Caller
18476 (record_equivalences_from_stmt): No longer record nonzero
18477 values for SSA_NAMEs.
18478 (lookup_avail_expr): No longer use nonzero_vars.
18480 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18481 for sizetype when sizetype is unsigned.
18483 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18485 PR rtl-optimization/25603
18486 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18487 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18488 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18489 with new meaning of SETS.
18491 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18496 * config/linux.opt: New file.
18497 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18498 LINUX_DYNAMIC_LINKER): Define.
18499 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18500 * config.gcc (*-*-linux*): Define extra_options.
18501 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18502 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18503 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18504 GLIBC_DYNAMIC_LINKER.
18505 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18506 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18507 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18509 * doc/invoke.texi (GNU/Linux Options): New section.
18511 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18513 * config/sparc/sparc.md (setjmp): Rewrite.
18514 (setjmp_32): Delete.
18515 (setjmp_64): Likewise.
18517 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18519 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18522 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18524 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18527 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18529 PR rtl-optimization/26296
18530 * Makefile.in (loop-invariant.c): Add except.h dependency.
18531 * loop-invariant.c: Include except.h.
18532 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18534 2005-02-16 Paul Brook <paul@codesourcery.com>
18536 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18539 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18541 PR rtl-optimization/25636
18542 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18543 when deciding whether an insn is an initializing insn.
18545 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18547 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18548 (tree_code_size): Ditto.
18549 * tree.h (struct tree_memory_tag): Remove parent_var.
18550 (struct tree_struct_field_tag): New.
18553 (union tree_node): Add sft member.
18554 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18556 (create_sft): Add size and offset argument, set SFT_OFFSET and
18558 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18559 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18560 * tree-flow-inline.h (get_subvar_at): Update for
18561 SFT_OFFSET/SFT_SIZE.
18562 (var_can_have_subvars): Ditto.
18563 (overlap_subvar): Ditto.
18564 * print-tree.c (print_node): Print out interesting things for
18566 * tree-flow.h (struct subvar): Remove offset and size members.
18567 * tree-ssa-operands.c (get_expr_operands): Update for
18568 get_indirect_ref_operands changes.
18569 (get_indirect_ref_operands): Call add_virtual_operand instead of
18570 add_stmt_operand. Only recurse on base var if requested.
18571 (access_can_touch_variable): New function.
18572 (add_stmt_operand): Split virtual operand handling into ...
18573 (add_virtual_operand): Here. Add offset, size, and for_clobber
18574 arguments. Prune alias sets.
18575 (add_call_clobber_ops): Call add_virtual_operand.
18577 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18579 PR middle-end/26300
18580 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18582 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18583 than TREE_CODE as index into omp_clause_num_ops array.
18585 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18587 PR rtl-optimization/26184
18588 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18590 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18591 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18592 must_precede, must_follow and tobe_scheduled.
18595 * opts.c (common_handle_option): Free new_option pointer.
18596 * df-core.c (df_analyze): Free postorder pointer.
18598 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18600 * Makefile.in: Fix the examples about the use of stamps
18602 2006-02-15 Michael Matz <matz@suse.de>
18604 PR middle-end/22275
18606 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18607 influenced by maximum_field_alignment or DECL_PACKED.
18608 (update_alignment_for_field): Ditto.
18609 (place_field): Ditto.
18610 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18613 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18615 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18616 (debug_flow_info): Pass it.
18617 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18618 * bb-reorder.c (reorder_basic_blocks): Likewise.
18619 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18620 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18621 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18622 * gcse.c (gcse_main, bypass_jumps): Likewise.
18623 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18624 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18625 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18626 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18627 * rtl.h (dump_flow_info): Adjust prototype.
18628 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18629 * var-tracking.c (variable_tracking_main): Likewise.
18630 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18631 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18634 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18636 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18639 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18641 PR tree-optimization/26209
18642 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18643 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18645 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18647 2006-02-14 Roger Sayle <roger@eyesopen.com>
18649 PR middle-end/23670
18650 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18651 (X,Y) and the corresponding symmetry related transformations.
18652 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18653 (X,Y) and its symmetry related transformations.
18655 2006-02-14 Roger Sayle <roger@eyesopen.com>
18657 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18660 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18662 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18664 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18667 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18668 support COMDAT group.
18669 * configure: Regenerate.
18671 2006-02-14 Roger Sayle <roger@eyesopen.com>
18673 PR middle-end/26279
18674 PR middle-end/26280
18675 PR middle-end/26283
18676 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18678 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18680 Fix PR tree-optimization/26260
18682 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18684 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18685 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18686 * tree-ssa-structalias.c (create_variable_info_for): Use
18687 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18689 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18691 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18693 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18694 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18695 of the ending condition.
18696 * tree-ssa-loop-manip.c: Include params.h.
18697 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18698 tree_unroll_loop): New functions.
18699 * tree-pass.h (pass_loop_prefetch): Declare.
18700 * loop.c (rest_of_handle_loop_optimize): Test for
18701 -fprefetch-loop-arrays-rtl.
18702 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18703 * timevar.def (TV_TREE_PREFETCH): New timevar.
18704 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18705 pass_loop_prefetch): New.
18706 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18707 (cleanup_tree_cfg_loop): Call scev_reset.
18708 * common.opt (fprefetch-loop-arrays-rtl): Add.
18709 * tree-ssa-loop-prefetch.c: New file.
18710 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18711 (new_temp_expr_table): Initialize expr_vars.
18712 (free_temp_expr_table): Cleanup expr_vars.
18713 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18714 expressions from being merged into one.
18715 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18716 (struct tree_niter_desc): Add control, bound and cmp fields.
18717 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18719 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18720 (tree-cfgcleanup.o): Add SCEV_H dependency.
18721 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18722 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18724 2006-02-14 Richard Guenther <rguenther@suse.de>
18726 PR tree-optimization/26258
18727 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18728 in PHI argument processing.
18730 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18732 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18733 new expression in the requested machine mode.
18735 2006-02-13 Roger Sayle <roger@eyesopen.com>
18737 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18738 directly, instead let do_compare_rtx_and_jump handle this for us.
18739 * expr.c (expand_expr_real_1): Likewise.
18740 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18741 before do_jump_by_parts_greater.
18742 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18743 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18745 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18747 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18749 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18751 PR rtl-optimization/26235
18752 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18753 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18756 2006-02-13 Jeff Law <law@redhat.com>
18758 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18761 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18763 PR middle-end/26092
18764 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18765 twice if decl is a builtin. When trying again, call get_callee_fndecl
18766 first to verify it is still a builtin.
18768 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18770 * dwarf2out.c (base_type_die): Don't add AT_name here.
18771 (subrange_type_die): Don't add AT_name here.
18772 (modified_type_die): Rearrange code flow. Do add AT_name here.
18774 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18776 PR rtl-optimization/26247
18777 PR rtl-optimization/26248
18778 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18780 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18782 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18783 * config/fixtfdi.c: Likewise.
18784 * config/fixunstfdi.c: Likewise.
18785 * config/floatditf.c: Likewise.
18787 2006-02-13 Roger Sayle <roger@eyesopen.com>
18789 PR middle-end/24427
18790 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18791 into (X,C2) if C1 is a subset of the bits of C2. Transform
18792 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18794 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18796 2006-02-13 Josh Conner <jconner@apple.com>
18799 * varasm.c (function_section): Check for section name before
18800 calling select_section on targets that define
18801 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18802 unlikely_text_section instead of hot_function_section if
18803 first_function_block_is_cold.
18805 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18807 PR middle-end/25335
18808 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18810 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18812 PR rtl-optimization/26222
18813 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18814 after tree->rtl expansion.
18815 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18816 before passing it to emit_move_insn.
18818 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18820 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18822 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18823 Clarify documentation.
18824 * c-common.h (warn_write_strings): Remove.
18825 * c-common.c (warn_write_strings): Likewise.
18826 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18829 2006-02-12 Roger Sayle <roger@eyesopen.com>
18831 PR middle-end/25724
18832 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18833 (do_jump_parts_zero_rtx): New function renamed from
18834 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18835 (do_jump_parts_equality_rtx): New function split out from
18836 do_jump_parts_equality. Old implementation renamed as above.
18837 Call do_jump_parts_zero_rtx if either operand is zero.
18838 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18839 do all of the heavy lifting.
18840 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18841 calling either do_jump_by_parts_greater_rtx or
18842 do_jump_by_parts_equality_rtx.
18843 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18844 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18845 moved to do_compare_rtx_and_jump, call it directly.
18846 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18847 mode argument. Call do_compare_rtx_and_jump.
18848 (emit_case_nodes): Update calls to do_jump_if_equal.
18850 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18852 PR rtl-optimization/26225
18853 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18855 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18857 PR rtl-optimization/26232
18858 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18860 2006-02-11 Jason Merrill <jason@redhat.com>
18863 * tree-inline.c (declare_return_variable): Just don't use the
18864 modify target if it's a gimple complex reg and the return slot
18867 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18869 * doc/contrib.texi: Update my entry.
18871 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18873 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18875 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18877 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18880 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18882 * doc/invoke.texi (-floop-optimize2): Removed.
18883 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18884 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18885 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18886 * common.opt (floop-optimize2): Removed.
18887 (fmove-loop-invariants): Enabled by default.
18889 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18891 * tree-if-conv.c (combine_blocks): Free the result of
18892 get_loop_exit_edges.
18894 2006-02-10 Jeff Law <law@redhat.com>
18896 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18898 PR tree-optimization/26213
18899 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18900 loop trying to follow SSA_NAME_VALUE chains.
18902 2006-02-10 Richard Guenther <rguenther@suse.de>
18904 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18905 deal with structures that end in implicitly variable sized arrays.
18907 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18909 PR rtl-optimization/24762
18910 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18913 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18915 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18916 (struct ivopts_data): Add regs_used field.
18917 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18918 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18919 instead of loop_data->regs_used;
18920 (free_loop_data): Do not free aux fields for loops.
18921 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18922 and tree_ssa_iv_optimize_finalize.
18924 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18926 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18928 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18931 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18932 computing the effective result type.
18934 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18936 PR inline-asm/16194
18937 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18938 (tree_overlaps_hard_reg_set): Declare.
18939 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18940 type and signature to match function type expected by walk_tree.
18941 (tree_overlaps_hard_reg_set): New function.
18942 (decl_conflicts_with_clobbers_p): Rename to:
18943 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18944 Use tree_overlaps_hard_reg_set. Changed caller.
18945 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18946 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18947 * cris.c (cris_md_asm_clobbers): Likewise.
18949 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18951 * reload1.c (emit_input_reload_insns): Delete code that tries to
18952 inherit using find_equiv_reg.
18954 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18956 * c-common.h (flag_const_strings): Don't declare.
18957 * c-common.c (flag_const_strings): Remove.
18958 * c.opt (fconst_strings): Remove.
18959 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18960 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18961 (c_common_init_options): Don't set flag_const_strings.
18962 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18964 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18966 * arm.md (tlobits_cbranch): New pattern.
18967 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18968 testing a single bit.
18970 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18973 * tree-ssa-pre.c (create_component_ref_by_pieces):
18974 Handle RETURN_DECL like VAR_DECL.
18976 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18978 PR middle-end/26134
18979 * fold-const.c (fold_indirect_ref_1): Fold
18980 "*(foo *)&complexfoo" to "__real__ complexfoo"
18981 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18983 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18985 * tree-flow-inline.h (var_can_have_subvars):
18986 Volatile variables should not have subvariables.
18988 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18991 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18992 multiplying unsigned values.
18995 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18997 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18999 2006-02-08 Jason Merrill <jason@redhat.com>
19002 * tree.def: Elaborate on difference from MODIFY_EXPR.
19003 * doc/c-tree.texi (INIT_EXPR): Likewise.
19004 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19005 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19006 (gimplify_target_expr): Likewise.
19007 (gimplify_cond_expr): Remove target handling.
19008 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19009 (gimplify_expr): Clobber it here.
19010 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19011 Do return slot optimization if we have an INIT_EXPR.
19014 * tree-inline.c (declare_return_variable): Also clear
19015 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19018 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19020 PR middle-end/22439
19021 * gimplify.c (gimplify_one_sizepos): Fix typo.
19023 2006-02-08 Jeff Law <law@redhat.com>
19025 PR tree-optimization/21417
19026 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19027 across a backedge if the control statement at the end of the
19028 block is data dependent on other statements in the same block.
19029 (record_temporary_equivalences_from_stmts): Remove over-conservative
19030 test for threading across backedges.
19032 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19033 control statement, handle all three special cases in the same
19034 manner as they all have the same desired solution. No longer
19035 special case edge flag updating when the post dominator is
19038 2006-02-08 Roger Sayle <roger@eyesopen.com>
19040 * tree.def (CHAR_TYPE): Remove.
19041 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19042 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19043 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19044 (gen_string_type_die): Delete unreachable function.
19046 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19047 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19048 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19049 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19050 * builtins.c (type_to_class): Likewise.
19051 * fold-const.c (fold_convert, build_range_check,
19052 merge_ranges): Likewise.
19053 * expr.c (count_type_elements): Likewise.
19054 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19055 * stor-layout.c (layout_type): Likewise.
19056 * ipa-type-escape.c (type_to_consider): Likewise.
19057 * gimplify.c (omp_firstprivatize_type_sizes,
19058 gimplify_type_sizes): Likewise.
19059 * explow.c (promote_mode): Likewise.
19060 * tree-sra.c (is_sra_scalar_type): Likewise.
19061 * varasm.c (output_constant): Likewise.
19062 * tree-inline.c (remap_type_1): Likewise.
19063 * convert.c (convert_to_pointer, convert_to_real,
19064 convert_to_integer, convert_to_complex): Likewise.
19066 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19068 * df-scan.c (df_def_record_1): A set destination may
19069 be a parallel regardless of mode.
19071 2006-02-08 Roger Sayle <roger@eyesopen.com>
19074 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19075 * config/mips/_tilib.c: Remove.
19076 * config/fixtfdi.c: New libgcc source file.
19077 * config/fixunstfdi.c: New source file.
19078 * config/floatditf.c: New source file.
19079 * config/floatunditf.c: New souce file.
19080 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19081 files above instead of config/mips/_tilib.c.
19082 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19084 2006-02-08 Jeff Law <law@redhat.com>
19086 PR tree-optimization/26169
19087 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19090 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19092 * df.h (DF_REG_SIZE): Return the length of the initialized
19095 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19097 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19098 __muldf3): Return a correctly signed zero.
19100 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19102 * passes.c (register_one_dump_file): Accept the current properties
19103 instead of pass number. Adjust call to dump_register. Remove
19105 (register_dump_files): Now a wrapper around...
19106 (register_dump_files_1): ... this one. Do not modify the pass
19108 (next_pass_1): Cosmetic fix.
19109 (execute_todo): Keep second parameter only. Use curr_properties
19110 instead of fetching it from the pass structure. Check and set
19112 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19113 instead of fetching it from the pass structure. Fix calls to
19114 execute_todo. Update curr_properties and initialize .vcg RTL dump
19115 after running the pass. Reset last_verified.
19116 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19118 (FIRST_AUTO_NUMBERED_DUMP): New.
19119 (dump_register): Remove "num" parameter, assign it within the
19121 (get_dump_file_name): Modify template for dumps.
19122 * tree-dump.h (dump_register): Adjust prototype.
19123 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19124 (PROP_trees): Add PROP_gimple_lomp.
19125 (TODO_set_props): New.
19126 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19127 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19128 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19130 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19132 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19133 (sparc64-*-linux*): Likewise.
19134 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19135 * config/sparc/t-linux: New file.
19136 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19137 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19138 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19139 -m32 -mlong-double-128.
19141 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19142 * config/alpha/t-linux: New file.
19143 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19145 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19146 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19147 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19148 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19149 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19150 (CPP_ARCH32_SPEC): Remove.
19152 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19154 PR tree-optimization/26145
19155 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19158 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19161 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19162 >= 240000 when generating code for SOM runtime.
19163 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19164 to $$dyncall when generating code for SOM runtime..
19166 2006-02-07 Dirk Mueller <dmueller@suse.com>
19169 * doc/invoke.texi (-Wsequence-point): Update documentation
19170 that -Wsequence-point is implemented for C++ as well.
19172 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19174 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19175 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19176 (LIB_SPEC): Likewise.
19177 * doc/invoke.texi (SPARC options): Document -pthread.
19179 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19181 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19184 2006-02-07 Roger Sayle <roger@eyesopen.com>
19186 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19187 Correct comment describing BOOLEAN_TYPE.
19189 2006-02-07 Dirk Mueller <dmueller@suse.com>
19191 * c.opt: C++ frontend supports -Wdiv-by-zero.
19192 * c-opts.c (c_common_handle_option): Remove dead case.
19194 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19196 * configure.ac (TLS assembler check): Do not enable TLS by
19197 default on SPARC/Solaris before version 10.
19198 * configure: Regenerate.
19200 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19202 * doc/invoke.texi (xl-compat): Document conversion and support
19205 2006-02-07 Jeff Law <law@redhat.com>
19207 * tree-vrp.c (find_conditional_asserts): Update comments.
19208 (simplify_stmt_for_jump_threading): New.
19209 (identify_jump_threads, finalize_jump_threads): New.
19210 (vrp_finalize): Call identify_jump_threads.
19211 (execute_vrp): Call finalize_jump_threads.
19212 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19213 (vrp_element, vrp_data, vrp_element_p): Remove.
19214 (vrp_hash_elt, vrp_variables_stack): Remove.
19215 (vrp_hash, vrp_eq, record_range): Remove.
19216 (simplify_cond_and_lookup_avail_expr): Remove.
19217 (extract_range_from_cond): Remove.
19218 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19219 (simplify_stmt_for_jump_threading): New.
19220 (dom_thread_across_edge): New wrapper.
19221 (tree_ssa_dominator_optimize): No longer initialize or
19222 finalize any of the VRP datastructures. Remove iteration
19223 step and simplify as a result of removal of iteration step.
19224 (pass_dominator): Perform a cfg cleanup after DOM.
19225 (dom_opt_finalize_block): Use the new common routines
19226 for threading jumps. Simplify stack management slightly.
19227 No longer need to unwind VRP state.
19228 (record_equivalences_from_incoming_edge): No longer record
19230 (eliminate_redundant_computations): No longer call
19231 simplify_cond_and_lookup_avail_expr.
19232 * tree-flow.h (potentially_threadable_block): Prototype.
19233 (thread_across_edge): Likewise.
19234 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19235 (tree-ssa-threadedge.o): Add dependencies.
19236 * tree-ssa-threadedge.c: New file.
19237 * passes.c (init_optimization_passes): Merge PHIs before
19238 calling VRP. Run VRP again late in the SSA optimization pipeline.
19240 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19242 * df-core.c (df_set_blocks): Do not dereference function pointers.
19243 (df_finish1): Likewise.
19244 (df_hybrid_search_forward): Likewise.
19245 (df_hybrid_search_backward): Likewise.
19246 (df_iterative_dataflow): Likewise.
19247 (df_analyze_problem): Likewise.
19248 (df_compact_blocks): Likewise.
19249 (df_dump): Likewise.
19250 * df-scan.c (df_rescan_blocks): Likewise.
19251 (df_record_entry_block_defs): Likewise.
19253 * genconditions.c (write_conditions): Guard the definition of
19254 'insn_conditions' with the check on GCC version.
19255 (write_writer): Guard the traversal 'insn_conditions' with
19256 the check on GCC version.
19258 2006-02-07 Richard Guenther <rguenther@suse.de>
19262 2006-01-30 Richard Guenther <rguenther@suse.de>
19264 * gimplify.c (gimplify_target_expr): Handle easy cases
19265 without creating a temporary.
19267 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19269 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19270 use of float in probability computations. Use edge probabilities
19271 in place of statically computed probabilities.
19272 (min_spec_prob): New static variable.
19273 (schedule_insns): Initialize it.
19274 (GET_SRC_PROB): Removed.
19275 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19277 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19280 * config/ia64/unwind-ia64.c: Revert last change.
19281 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19282 (INCOMING_FRAME_SP_OFFSET): Define.
19284 2006-02-06 Roger Sayle <roger@eyesopen.com>
19286 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19288 2006-02-07 Ben Elliston <bje@au.ibm.com>
19290 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19291 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19292 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19293 (ix86_return_in_memory): Handle TDmode.
19294 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19295 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19297 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19299 * reorg.c (dbr_schedule): Use dump_file instead of file.
19301 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19304 * config/ia64/predicates.md (extr_len_operand): New predicate.
19305 * config/ia64/ia64.md (extv): Tighten constraints.
19307 (*tbit_and_2): Ditto.
19308 (*tbit_and_3): Ditto.
19309 (*tbit_or_2): Ditto.
19310 (*tbit_or_3): Ditto.
19311 (*bit_zero): Ditto.
19314 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19317 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19319 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19321 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19322 loop_optimizer_init and loop_optimizer_finalize
19323 * tree-ssa-sink.c (execute_sink_code): Ditto.
19324 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19325 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19326 tree_ssa_loop_done): Ditto.
19327 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19328 * sched-ebb.c: Include output.h.
19329 (schedule_ebbs): Do not use dump argument.
19330 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19331 * loop.c (loop_dump_stream): Removed.
19332 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19334 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19335 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19336 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19337 loop_iterations, strength_reduce, record_biv, record_giv,
19338 final_giv_value, check_final_value, check_ext_dependent_givs,
19339 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19340 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19341 dump_file instead of loop_dump_stream.
19342 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19343 argument dump_file.
19344 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19346 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19347 * haifa-sched.c: Include output.h
19348 (schedule_insns, sched_init): Do not use dump argument.
19349 * mode-switching.c (optimize_mode_switching): Ditto.
19350 * modulo-sched.c (stats_file): Removed.
19351 (print_node_sched_params): Do not call argument dump_file.
19352 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19353 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19355 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19357 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19358 rtl_loop_init, rtl_loop_done): Ditto.
19359 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19360 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19362 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19363 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19364 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19365 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19366 * emit-rtl.c (renumber_insns): Ditto.
19367 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19368 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19369 * regclass.c (regclass): Ditto.
19370 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19371 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19372 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19373 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19375 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19376 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19378 * gcse.c (gcse_file, debug_stderr): Removed.
19379 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19380 rest_of_handle_gcse): Do not use dump argument.
19381 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19382 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19383 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19384 compute_code_hoist_vbeinout, compute_code_hoist_data,
19385 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19386 compute_store_table, build_store_vectors, insert_insn_start_bb,
19387 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19388 store_motion): Use dump_file instead of gcse_file.
19389 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19390 * profile.c (profile_dump_file): Removed.
19391 (branch_prob): Use dump_file instead of profile_dump_file.
19392 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19394 * tree-ssa-copy.c (dump_copy_of): Ditto.
19395 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19396 dump file to life_analysis.
19397 * bt-load.c (branch_target_load_optimize): Ditto.
19398 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19400 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19401 regclass, dbr_schedule): Declaration changed.
19402 * sched-int.h (sched_init): Declaration changed.
19403 * tree-profile.c (tree_profile_dump_file): Removed.
19404 (tree_profile_hooks): Removed profile_dump_file hook.
19405 * rtl-profile (rtl_profile_dump_file): Removed.
19406 (rtl_profile_hooks): emoved profile_dump_file hook.
19407 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19409 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19410 * tree-cfg.c (build_tree_cfg): Ditto.
19411 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19412 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19413 Declaration changed.
19414 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19415 life_analysis and schedule_insns.
19416 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19418 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19420 * config/mips/mips.c (mips_reorg): Ditto.
19421 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19424 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19426 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19427 (s390_mangle_fundamental_type): New.
19428 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19431 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19432 (alpha_mangle_fundamental_type): New.
19433 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19436 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19438 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19440 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19441 (sparc_mangle_fundamental_type): New.
19443 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19445 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19446 (s390x-*-linux*): Likewise.
19447 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19448 * config/s390/t-linux: New file.
19450 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19452 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19453 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19455 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19457 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19458 (ANTIC_SAFE_LOADS): New macro.
19459 (find_or_generate_expression): Add prototype.
19460 (set_contains_value): Allow null set for sake of not always having
19461 to allocate ANTIC_SAFE_LOADS.
19462 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19463 Allow COMPONENT_REF too.
19464 (valid_in_set): Allow COMPONENT_REF.
19465 Check ANTIC_SAFE_LOADS too.
19466 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19467 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19469 (can_PRE_operation): Add COMPONENT_REF.
19470 (create_component_ref_by_pieces): New function.
19471 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19472 (insert_aux): Move AGGREGATE_TYPE_P check here.
19473 (compute_avail): Set bb local stmt uids.
19474 (pass_pre): Use TODO_update_ssa_only_virtuals.
19476 2006-02-06 Ben Elliston <bje@au.ibm.com>
19478 * configure.ac: Unconditionally disable decimal float by default.
19479 * configure: Regenerate.
19481 2006-02-06 Ben Elliston <bje@au.ibm.com>
19483 * read-rtl.c (read_name): Terminate reading on EOF.
19485 2006-02-06 Ben Elliston <bje@au.ibm.com>
19487 * dfp.c (decimal_real_arithmetic): Change second argument type
19488 from int to enum tree_code. Do not always return true, but now
19489 return result of any call to decimal_do helper functions.
19490 * dfp.h (decimal_real_arithmetic): Update prototype.
19492 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19494 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19496 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19499 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19502 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19504 * tree-vrp.c (cfg_loops): Removed.
19505 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19506 Use current_loops instead of cfg_loops. Pass flags to
19507 loop_optimizer_init.
19508 * cfgloopmanip.c (fix_loop_structure): Update only available
19510 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19511 loop_optimizer_init.
19512 * modulo-sched.c (build_loops_structure): Removed.
19513 (sms_schedule): Use loop_optimizer_init.
19514 * loop-init.c (loop_optimizer_init): Use flags to determine
19515 which properties of loops to prepare.
19516 (rtl_loop_init): Pass flags to loop_optimizer_init.
19517 * tree-ssa-sink.c (execute_sink_code): Ditto.
19518 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19519 * tree-ssa-pre.c (init_pre): Ditto.
19520 * cfgloop.h (LOOPS_NORMAL): New.
19521 (loop_optimizer_init): Declaration changed.
19523 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19525 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19526 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19528 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19530 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19532 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19533 * pa/t-pa64: Delete quadlib.c rule.
19534 * pa/x-ada: Revert last change.
19535 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19537 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19539 PR rtl-optimization/26087
19540 * rtlanal.c (canonicalize_condition): Do not cross basic block
19543 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19546 * config/ia64/ia64.c: Include debug.h.
19547 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19548 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19549 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19550 (process_epilogue, process_set, process_for_unwind_directive):
19551 Output unwind info only if requested. Add CFA info if requested.
19552 Add new arguments as needed. Adjust callers.
19553 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19555 (DWARF2_FRAME_INFO): Define to zero.
19556 * config/ia64/unwind-ia64.c: Remove code that compensated for
19557 the CFA offset error fixed above.
19558 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19559 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19560 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19561 -funwind-tables and -fexceptions to enable frame info.
19562 (dwarf2out_frame_init): Define initial CFA even if
19563 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19564 DWARF2_UNWIND_INFO is nonzero, not just defined.
19565 (dwarf2out_frame_finish): Output non-EH call frame info only
19566 if DWARF2_FRAME_INFO is nonzero.
19567 (convert_cfa_to_loc_list,
19568 compute_frame_pointer_to_cfa_displacement): Define even if
19569 unwind info is not supported.
19570 (gen_subprogram_die): Use the above unconditionally. Remove
19571 legacy alternate code.
19572 * toplev.c (compile_file): Compile in call to
19573 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19574 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19576 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19577 Jakub Jelinek <jakub@redhat.com>
19579 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19580 IBM extended float format long double as "g" on powerpc*-linux.
19582 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19585 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19586 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19588 2006-02-03 Jason Merrill <jason@redhat.com>
19591 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19593 PR middle-end/25977
19594 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19595 on the return slot if it's an NRV.
19597 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19599 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19600 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19601 rewrite_use): Do not handle USE_OUTER.
19602 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19603 add_iv_outer_candidates, may_replace_final_value,
19604 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19605 (find_interesting_uses_op): Functionality of
19606 find_interesting_uses_outer_or_nonlin moved here.
19607 (find_interesting_uses_outside): Use find_interesting_uses_op.
19609 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19612 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19614 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19615 Ulrich Weigand <uweigand@de.ibm.com>
19618 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19619 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19620 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19621 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19623 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19624 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19625 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19626 Define secondary reloads for TFmode moves.
19627 (constant_modes): Add TFmode.
19628 (NR_C_MODES): Set to 8.
19629 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19631 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19632 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19633 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19634 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19635 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19636 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19637 (FPR mode macro): Add TFmode.
19638 (DSF mode macro): New.
19639 (<de>, <dee> mode attributes): Removed.
19640 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19641 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19642 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19643 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19644 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19645 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19646 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19647 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19648 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19649 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19650 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19651 "*negabs<mode>2", "sqrt<mode>2"):
19652 Changed <de> to <xde>. R constraint replaced by <Rf>.
19653 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19655 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19656 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19657 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19659 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19660 "extenddftf2", "extendsftf2"): New expanders.
19661 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19662 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19663 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19664 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19666 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19667 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19668 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19669 __floatditf): Add a GCC_4.1.0 symbol version tag.
19670 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19673 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19676 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19677 Use targetm.binds_local_p instead of TREE_PUBLIC.
19679 2006-02-02 Roger Sayle <roger@eyesopen.com>
19681 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19682 on INTEGER_TYPEs to indicate that it denotes a character type.
19683 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19684 signed_char_type_node, unsigned_char_type_node and char_type_node.
19685 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19686 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19687 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19689 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19690 Daniel Berlin <dberlin@dberlin.org>
19692 * tree-tailcall.c (arg_needs_copy_p): New function.
19693 (eliminate_tail_call): Use arg_needs_copy_p.
19694 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19695 (add_virtual_phis): New function.
19697 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19699 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19700 #ignore instead of #scratch for %g7 .register directive.
19702 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19704 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19707 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19709 * flow.c (calculate_global_regs_live): Assert that there aren't any
19712 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19714 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19715 what its name says.
19716 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19717 bsi_after_labels iterator.
19718 * tree-if-conv.c (find_phi_replacement_condition,
19719 replace_phi_with_cond_modify_expr): Likewise.
19720 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19721 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19723 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19725 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19727 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19730 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19731 array after growing it.
19733 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19735 PR middle-end/24901
19736 * fold-const.c (fold_checksum_tree): Change type of buf.
19738 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19740 * reload.c (push_secondary_reload): Initialize t_icode.
19742 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19744 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19745 -msoft-float -mlong-double-128 only issue a warning, but don't
19746 swich to DFmode long double.
19748 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19750 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19751 has a constant equivalent, iterate over equivalents for arg0,
19752 calling simplify_relational_operation and if there's a result
19753 cheaper than X, apply fold_rtx and return the result.
19755 2006-02-01 Jan Hubicka <jh@suse.cz>
19757 * opts.c (no_unit_at_a_time_default): New global variable.
19758 (decode_options): Use it.
19759 * opts.h (no_unit_at_a_time_default): Declare.
19761 2006-02-01 Paul Brook <paul@codesourcery.com>
19763 * function.c (assign_parm_setup_reg): Use function argument promotion
19765 * expr.c (expand_expr_real_1): Use function argument promotion rules
19768 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19770 * gcc.c (process_command): Change j to 'unsigned int'.
19772 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19774 PR middle-end/26001
19775 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19776 Use the corrected index for the character
19777 out of the string constant.
19779 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19781 * mode-switching.c (optimize_mode_switching): Fix size
19782 allocated for bb_info[n_entities].
19784 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19786 * gcc.c (main): Correct type that is allocated for
19787 explicit_link_files.
19789 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19791 * config/s390/s390.c (init_alignment_context): Set
19792 ALIAS_SET_MEMORY_BARRIER on the MEM.
19793 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19795 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19797 PR middle-end/25933
19798 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19800 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19803 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19805 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19806 * regrename.c: Ditto.
19807 * tree-ssa-loop-im.c: Ditto.
19808 * tree-dump.c: Ditto.
19809 * tree-complex.c: Ditto.
19810 * genrecog.c: Ditto.
19811 * tree-ssa-threadupdate.c: Ditto.
19813 * java/class.c: Ditto.
19814 * java/jcf-parse.c: Ditto.
19815 * java/resource.c: Ditto.
19816 * java/except.c: Ditto.
19817 * java/jvspec.c: Ditto.
19818 * java/jcf-write.c: Ditto.
19819 * java/jcf-path.c: Ditto.
19820 * java/gjavah.c: Ditto.
19821 * java/zextract.c: Ditto.
19822 * java/jcf-io.c: Ditto.
19823 * java/jcf.h: Ditto.
19824 * java/buffer.c: Ditto.
19825 * java/lang.c: Ditto.
19826 * java/parse-scan.y: Ditto.
19827 * java/lex.c: Ditto.
19828 * java/lex.h: Ditto.
19829 * cfgloopmanip.c: Ditto.
19830 * postreload-gcse.c: Ditto.
19831 * tree-ssa-loop-manip.c: Ditto.
19832 * postreload.c: Ditto.
19833 * tree-ssa-loop-ch.c: Ditto.
19836 * cppspec.c: Ditto.
19837 * diagnostic.c: Ditto.
19839 * genoutput.c: Ditto.
19841 * cfghooks.c: Ditto.
19842 * cfgloopanal.c: Ditto.
19843 * objc/objc-act.c: Ditto.
19845 * genextract.c: Ditto.
19846 * genautomata.c: Ditto.
19847 * pretty-print.c: Ditto.
19848 * genemit.c: Ditto.
19849 * cgraphunit.c: Ditto.
19851 * df-scan.c: Ditto.
19852 * haifa-sched.c: Ditto.
19853 * dominance.c: Ditto.
19855 * tree-ssa-loop-ivopts.c: Ditto.
19856 * df-core.c: Ditto.
19857 * mode-switching.c: Ditto.
19858 * modulo-sched.c: Ditto.
19860 * ipa-pure-const.c: Ditto.
19862 * fix-header.c: Ditto.
19864 * tree-stdarg.c: Ditto.
19865 * ipa-utils.c: Ditto.
19866 * loop-init.c: Ditto.
19867 * ipa-inline.c: Ditto.
19868 * cfganal.c: Ditto.
19870 * alloc-pool.c: Ditto.
19871 * dwarf2out.c: Ditto.
19873 * genattrtab.c: Ditto.
19874 * tree-ssa-loop-ivcanon.c: Ditto.
19875 * predict.c: Ditto.
19876 * timevar.c: Ditto.
19878 * fortran/gfortranspec.c: Ditto.
19879 * regmove.c: Ditto.
19880 * local-alloc.c: Ditto.
19881 * langhooks.c: Ditto.
19882 * function.c: Ditto.
19883 * tree-vectorizer.c: Ditto.
19885 * ipa-type-escape.c: Ditto.
19887 * tree-if-conv.c: Ditto.
19888 * profile.c: Ditto.
19890 * tree-data-ref.c: Ditto.
19891 * loop-unroll.c: Ditto.
19892 * treelang/treetree.c: Ditto.
19894 * bt-load.c: Ditto.
19895 * ggc-common.c: Ditto.
19897 * coverage.c: Ditto.
19899 * tree-cfgcleanup.c: Ditto.
19900 * tree-ssa-pre.c: Ditto.
19901 * cfgcleanup.c: Ditto.
19902 * loop-invariant.c: Ditto.
19903 * loop-iv.c: Ditto.
19904 * ipa-prop.c: Ditto.
19905 * print-tree.c: Ditto.
19906 * conflict.c: Ditto.
19907 * ggc-page.c: Ditto.
19908 * sched-deps.c: Ditto.
19909 * regclass.c: Ditto.
19910 * tree-object-size.c: Ditto.
19911 * combine.c: Ditto.
19912 * bb-reorder.c: Ditto.
19913 * resource.c: Ditto.
19914 * var-tracking.c: Ditto.
19915 * cfgloop.c: Ditto.
19916 * df-problems.c: Ditto.
19917 * reg-stack.c: Ditto.
19919 * gccspec.c: Ditto.
19920 * sched-rgn.c: Ditto.
19921 * tree-ssa-structalias.c: Ditto.
19922 * tree-ssa-reassoc.c: Ditto.
19923 * config/darwin-c.c: Ditto.
19924 * config/darwin.c: Ditto.
19925 * config/arm/arm.c: Ditto.
19927 * collect2.c: Ditto.
19928 * reload1.c: Ditto.
19930 2006-01-31 Nicolas Pitre <nico@cam.org>
19932 * arm.md (smaxsi3): Make aware of smax_m1.
19935 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19937 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19939 2006-01-31 Richard Guenther <rguenther@suse.de>
19941 * doc/invoke.texi (-msselibm): Document.
19942 * target.h (expand_library_builtin): New target hook.
19943 * builtins.c (expand_builtin): Use expand_library_builtin.
19944 (default_expand_library_builtin): New function.
19945 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19946 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19947 (link_gcc_math_spec): Declare.
19948 (static_specs): Add link_gcc_math_spec.
19949 * expr.h (default_expand_library_builtin): Declare.
19950 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19951 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19952 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19953 * config/i386/i386.opt (msselibm): New target option.
19954 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19955 (ix86_init_sse_abi_builtins): New function.
19956 (ix86_expand_library_builtin): Likewise.
19957 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19958 (override_options): Handle error conditions wrt -msselibm.
19959 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19960 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19961 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19964 2006-01-31 Richard Guenther <rguenther@suse.de>
19965 Paolo Bonzini <bonzini@gnu.org>
19967 * doc/install.texi (--disable-libgcc-math): Document.
19969 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19971 * expr.h (expand_normal): new inline function.
19972 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19973 * dojump.c: use it.
19974 * dwarf2out.c: use it.
19977 * expmed.c: use it.
19978 * except.c: use it.
19979 * config/sparc/sparc.c: use it.
19980 * config/i386/i386.c: use it.
19981 * config/rs6000/rs6000.c: use it.
19982 * config/arm/arm.c: use it.
19983 * config/mips/mips.c: use it.
19984 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19986 2006-01-30 Roger Sayle <roger@eyesopen.com>
19988 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19989 argv to the appropriate type.
19991 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19993 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19996 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19999 * config/s390/s390.c (struct machine_function): New flag
20000 decomposed_literal_pool_addresses_ok_p.
20001 (s390_reorg): Set it before final stage of literal pool transforms.
20002 (s390_decompose_address): Only accept displacements of the form
20003 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20005 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20007 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20008 the comparison routine return.
20010 2006-01-30 Michael Matz <matz@suse.de>
20012 * global.c (find_reg): Only evict for global regs.
20013 Take n_refs into account and dump more info.
20015 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20018 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20019 (pragma_trap, pragma_nosave_low_regs): Likewise.
20020 (current_function_anonymous_args): Likewise.
20021 (sh_deferred_function_attributes): New variable.
20022 (sh_deferred_function_attributes_tail): Likewise.
20023 (print_operand): For '@', look up trap_exit attribute.
20024 (calc_live_regs): Look up trapa_handler attribute. For trapa
20025 handlers, save/restore fpscr, but don't do any other
20026 interrupt-specific saves.
20027 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20028 Fix check for partially saved registers to check for SHmedia.
20029 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20030 (sh_output_function_epilogue): Don't clear any of the removed
20032 (sh_insert_attributes): Don't check pragma_interrupt.
20033 Insert deferred attributes. Check that interrupt attribute is
20034 present for other attributes that require its presence.
20035 (sh_attribute_table): Add new attributes trapa_handler and
20037 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20038 Don't check for pragma_interrupt. Don't store argument.
20039 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20040 (sh_deferred_function_attributes): Declare.
20041 (sh_deferred_function_attributes_tail): Likewise.
20042 * sh.md (sp_switch_1): Add operand. Change generator caller.
20043 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20044 (*return_i): Don't use when trap_exit attribute is in effect.
20045 (*return_trapa): New insn pattern.
20046 * sh-c.c: New file.
20047 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20048 setting c_target_objs and cxx_target_objs.
20049 * t-sh: Add rule for sh-c.o.
20051 2006-01-30 Richard Guenther <rguenther@suse.de>
20054 * gimplify.c (gimplify_target_expr): Handle easy cases
20055 without creating a temporary.
20057 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20059 * vec.h (safe_grow): Remove duplicated line.
20061 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20064 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20065 (expand_omp): ... here.
20066 (expand_omp_parallel): Only remove barriers for combined
20067 parallel+workshare constructs.
20069 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20073 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20074 * tree.c (build_qualified_type): Chain the new type to the original
20075 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20076 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20077 (build_pointer_type_for_mode): Only return unqualified types.
20078 (build_reference_type_for_mode): Likewise.
20080 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20082 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20083 * Makefile.in (CXX_COMPAT_WARN): Define.
20084 * configure: Regenerate.
20086 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20089 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20092 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20094 * toplev.c: Fix thinko.
20096 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20097 Marcin Dalecki <martin@dalecki.de>
20099 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20100 (push_srcloc): Use XNEW.
20101 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20103 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20105 * df-core.c (df_set_blocks): Deleted all variable.
20107 2006-01-28 Ian Lance Taylor <ian@airs.com>
20109 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20110 cgraph_output_pending_asms.
20112 2006-01-28 Zack Weinberg <zackw@panix.com>
20114 * c.opt: Add -W(no-)overlength-strings.
20115 * doc/invoke.texi: Document it.
20116 * c-opts.c (c_common_handle_option): -pedantic implies
20117 -Woverlength-strings, if not explicitly disabled already.
20118 (c_common_post_options): -Woverlength-strings defaults to off, and
20119 is always off for C++.
20120 * c-common.c (fix_string_type): Issue warning about strings longer
20121 than is portable only if warn_overlength_strings. Rearrange code
20122 a little for clarity.
20123 * configure.in: Check for -Wno-overlength-strings as well before
20124 enabling -pedantic in stage 1.
20125 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20126 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20128 * genconditions.c (write_header, write_one_condition)
20129 (write_conditions, write_writer): Consolidate very long strings
20130 that were broken up to fit in C89 portable limit. Don't use
20131 printf when fputs will do.
20133 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20135 * combine.c (simplify_comparison <AND>): Check
20136 TRULY_NOOP_TRUNCATION before start using a subreg.
20138 * config/mips/mips.md (*branch_zero<mode>,
20139 *branch_zero<mode>_inverted, *branch_equality<mode>,
20140 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20141 Remove mode check from comparisons.
20143 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20145 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20147 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20149 * expmed.c (const_mult_add_overflow_p): Remove.
20150 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20152 * recog.c (validate_replace_rtx_subexp): Remove.
20153 * recog.h: Remove the prototype for
20154 validate_replace_rtx_subexp.
20156 * integrate.h: Remove the prototype for
20157 copy_decl_for_inlining.
20158 * rtl.h: Remove the prototype for mark_constant_function.
20159 * tree-vectorizer.h: Remove the prototype for
20160 vect_strip_conversion.
20162 * modulo-sched.c (create_partial_schedule,
20163 free_partial_schedule, reset_partial_schedule): Make them
20166 * hooks.c (hook_bool_rtx_int_false): Remove.
20167 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20169 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20171 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20172 and -mlong-double-128 are incompatible.
20173 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20174 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20175 (TARGET_LIBGCC2_CFLAGS): Define.
20176 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20177 (TARGET_LIBGCC2_CFLAGS): Same.
20178 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20180 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20183 * c-typeck.c (build_binary_op): Perform implicit casts of
20184 operands before shortening them.
20186 * cfgloopmanip.c (split_loop_bb): Remove.
20187 * cfgloop.h: Remove the prototype for split_loop_bb.
20189 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20190 * cfgloop.h: Remove the prototype for
20191 flow_loop_outside_edge_p.
20193 * emit-rtl.c (init_virtual_regs): Make it static.
20194 * function.h: Remove the prototype for init_virtual_regs.
20196 * recog.c (peephole2_optimize): Make it static.
20197 * recog.h: Remove the prototype for peephole2_optimize.
20199 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20201 * df-scan.c (df_record_entry_block_defs): Check if
20202 INCOMING_RETURN_ADDR_RTX is defined.
20204 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20205 Kenneth Zadeck <zadeck@naturalbridge.com>
20207 PR rtl-optimization/24762
20208 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20209 * targhooks.c (hook_void_bitmap): New hook prototype.
20210 * targhoohs.h (hook_void_bitmap): Ditto.
20211 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20212 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20213 * target.h (live_on_entry): New function pointer.
20214 * df-scan.c (df_all_hard_regs): Removed.
20215 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20216 (df_scan_free_internal): Added df->entry_block_defs.
20217 (df_scan_alloc): Ditto.
20218 (df_scan_dump): Ditto.
20219 (df_uses_record): Plumbed flag field properly thru calls.
20220 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20221 This part fixes PR24762.
20222 (df_bb_refs_record): Added code to make the frame and arg
20223 pointers live in EH blocks.
20224 (df_refs_record): Added call to df_record_entry_block_defs.
20225 (df_record_entry_block_defs): New function.
20226 * df-core.c: Added comments to describe new artifical defs.
20227 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20228 (entry_block_defs): New field in struct df.
20229 (df_all_hard_regs): Deleted.
20230 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20231 * df-problems.c (df_ru_bb_local_compute_process_def):
20232 Added code to handle artifical defs in the entry to a function.
20233 (df_ru_bb_local_compute): Ditto.
20234 (df_rd_bb_local_compute_process_def): Ditto.
20235 (df_rd_bb_local_compute): Ditto.
20236 (df_lr_bb_local_compute): Ditto.
20237 (df_ur_bb_local_compute): Ditto.
20238 (df_urec_bb_local_compute): Ditto.
20239 (df_chain_create_bb): Ditto.
20240 (df_ur_local_finalize): Removed entry.
20241 (df_urec_init): Ditto.
20242 (df_urec_local_finalize): Ditto.
20243 (df_ri_bb_compute): Added detection of last use of pseudos.
20244 * Makefile.in (df-scan.o): Updated dependencies.
20245 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20246 * config/mips/mips.c (mips_set_live_on_entry): Added.
20247 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20249 * dce.c (marked_insn_p): Added code to handle artifical defs.
20251 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20253 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20255 (_mm_cvtsi128_si64): Likewise.
20256 (_mm_cvtsd_si64): Likewise.
20257 (_mm_cvttsd_si64): Likewise.
20258 (_mm_cvtsi64_sd): Likewise.
20259 (_mm_cvtsi64_si128): Likewise.
20260 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20261 (_mm_cvtsi64_m64): Likewise.
20262 (_m_to_int64): Likewise.
20263 (_mm_cvtm64_si64): Likewise.
20264 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20265 (_mm_cvttss_si64): Likewise.
20266 (_mm_cvtsi64_ss): Likewise.
20267 (_mm_cvtss_f32): Likewise.
20269 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20271 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20272 for pragma redefine_extname.
20274 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20277 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20278 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20279 -mno-minimal-toc to previous content.
20280 (bispecs): Remove goal.
20281 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20282 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20283 compatibility aliases on powerpc-*-*gnu*.
20284 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20285 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20286 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20287 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20288 (ldblspecs): New goal.
20289 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20290 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20292 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20293 L_sf_to_tf or L_df_to_tf is defined.
20295 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20296 Alan Modra <amodra@bigpond.net.au>
20299 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20300 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20301 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20302 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20303 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20304 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20305 (rs6000_override_options): Initialize rs6000_ieeequad.
20306 Initialize TFmode format to ibm_extended_format if not
20308 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20310 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20311 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20312 (function_arg_advance): IBM long double passed in two FPRs, not
20314 (function_arg): IBM long double passed in FPRs.
20315 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20316 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20317 Only multireg GPR aligned.
20318 (rs6000_init_libfuncs): Enable IBM long double functions if not
20320 (rs6000_generate_compare): Use IBM long double compare if not
20322 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20323 (TARGET_IEEEQUAD): Define.
20324 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20325 not TARGET_IEEEQUAD.
20326 * config/rs6000/rs6000.md: Enable TFmode patterns if
20328 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20329 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20330 and -mlong-double-128 are incompatible.
20331 * doc/invoke.texi (-mabi): Collect options together. Add
20332 ibmlongdouble and ieeelongdouble.
20334 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20336 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20338 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20339 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20340 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20341 * rtl.h (rtunion_def): Remove rt_ptr.
20343 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20344 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20345 * config/i386/winnt.c (i386_pe_mark_dllexport)
20346 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20348 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20350 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20352 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20356 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20357 pthread_key_delete. From John David Anglin. gthrw-ify
20358 pthread_getunique_np only if it it's not a macro. Delete
20360 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20361 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20362 __gthread_objc_condition_signal, __gthread_key_delete): Add
20363 "__attribute__ ((__unused__))" to unused arguments.
20364 (__gthread_recursive_mutex_init_function): Add missing return.
20365 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20366 gthr-posix95.h: Use macro-based approach for name redirection
20367 on targets missing weakref.
20369 2006-01-26 Zack Weinberg <zackw@panix.com>
20371 * genconditions.c (write_header): In generated code, #ifdef out
20372 all includes and fake declarations, except includes of bconfig.h
20373 and system.h, unless GCC_VERSION >= 3001. Do not include
20374 gensupport.h in any case.
20375 (write_conditions): Generate a definition of struct c_test. Add
20376 a comment to the generated #endif.
20377 (write_one_condition): Escape backslashes in string too.
20378 (write_writer): Generated code must escape backslashes and quote
20379 marks (but not newlines) in the strings it writes.
20380 * Makefile.in (build/gencondmd.o): Update dependencies.
20382 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20385 * Makefile.in (insn-automata.o): Add header file dependencies.
20386 * genautomata.c: Add includes.
20388 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20391 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20393 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20395 * configure.ac: Expect target tools paths to be passed from the toplevel
20396 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20398 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20400 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20403 * c.opt (Wpointer-sign): Init to -1.
20404 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20405 OPT_pedantic, to 0 otherwise.
20406 * doc/invoke.texi: Update.
20408 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20410 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20411 constants provided by 80387 instructions in the destination mode.
20413 2006-01-26 Richard Guenther <rguenther@suse.de>
20414 Andrew Pinski <pinskia@physics.uc.edu>
20417 partial PR tree-opt/17064
20418 * tree-ssa-structalias.c (intra_create_variable_infos):
20419 Create heap variables for incoming parameters if
20420 flag_argument_noalias > 1.
20421 (find_what_p_points_to): Look through default defs of
20424 2006-01-26 Jeff Law <law@redhat.com>
20427 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20428 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20429 within the VR_RANGE, use the VR_RANGE as the result, not the
20431 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20432 bounds for the type.
20434 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20436 * tree-ssa-alias.c (maybe_create_global_var): Change
20437 subvar walking to an assertion that we don't have subvar'd variables.
20439 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20442 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20443 Use a new variable, inner. PARM_DECLs are always non-weak.
20445 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20447 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20448 --disable-checking.
20450 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20452 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20454 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20456 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20457 (smax_insn, smin_insn, smax_0, smin_0): New.
20459 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20462 * config/cris/cris.c (cris_order_for_addsi3): New function.
20463 * config/cris/cris-protos.h: Prototype it.
20464 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20465 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20466 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20467 (split for "op.S1 [rx=rx+i],ry (swapped)")
20468 (split for "op(s|u).S1 [rx=rx+i],ry")
20469 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20470 Apply cris_order_for_addsi3 when generating addsi3 insns.
20472 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20474 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20475 (TREE_BLOCK): Add call to EXPR_CHECK.
20477 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20480 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20481 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20482 (dump_omp_clauses): ... here.
20483 (dump_generic_node): Handle OMP_CLAUSE.
20484 * tree.c (omp_clause_num_ops): New.
20485 (omp_clause_code_name): New.
20486 (tree_code_size): Handle OMP_CLAUSE.
20487 (tree_size): Likewise.
20488 (make_node): Document handling of OMP_CLAUSE.
20489 (tree_node_structure): Handle OMP_CLAUSE.
20490 (omp_clause_check_failed): New.
20491 (omp_clause_range_check_failed): New.
20492 (omp_clause_operand_check_failed): New.
20493 (build_omp_clause): New.
20494 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20495 * tree.h (enum omp_clause_code): Declare.
20496 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20497 (OMP_CLAUSE_RANGE_CHECK): Define.
20498 (OMP_CLAUSE_ELT_CHECK): Define.
20499 (omp_clause_check_failed): Declare.
20500 (omp_clause_operand_check_failed): Declare.
20501 (omp_clause_range_check_failed): Declare.
20502 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20503 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20504 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20505 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20506 (OMP_CLAUSE_IF_EXPR): Likewise.
20507 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20508 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20509 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20510 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20511 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20512 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20513 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20514 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20515 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20516 (OMP_CLAUSE_CODE): Define.
20517 (OMP_CLAUSE_SET_CODE): Define.
20518 (OMP_CLAUSE_CODE): Define.
20519 (OMP_CLAUSE_OPERAND): Define.
20520 (struct tree_omp_clause): Declare.
20521 (union tree_node): Add field 'omp_clause'.
20522 * treestruct.def (TS_OMP_CLAUSE): Define.
20523 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20524 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20525 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20526 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20527 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20528 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20529 (OMP_CLAUSE): Define.
20530 * print-tree.c (print_node): Handle OMP_CLAUSE.
20531 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20532 * c-typeck.c: Likewise.
20533 * gimplify.c: Likewise.
20534 * c-omp.c: Likewise.
20535 * tree-nested.c: Likewise.
20536 * tree-inline.c: Likewise.
20537 * c-parser.c: Likewise.
20538 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20541 2006-01-25 Roger Sayle <roger@eyesopen.com>
20543 PR rtl-optimization/25703
20544 * combine.c (try_combine): Handle zero_extract and strict_low_part
20545 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20547 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20549 * global.c: Fix comment typos.
20551 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20554 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20555 Use output_addr_const instead of assemble_name.
20557 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20559 * Makefile.in (sched-vis.o): Update dependencies.
20560 * haifa-sched.c (sched_finish): Clear current_sched_info.
20561 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20562 (dump_flow_info): Call it.
20563 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20565 * basic-block.h (dump_bb_info): Declare.
20566 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20567 option, and apply options only for dump files whose TDF_RTL,
20568 TDF_TREE, or TDF_IPA bits match.
20569 * rtl.h: Declare new functions exported from sched-vis.c.
20570 * sched-vis.c: Enable also if scheduling is not used.
20571 (print_value): Print the mode of registers if not inside scheduling.
20572 (print_insn): Make it work outside the scheduler. Beautify the output
20574 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20576 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20578 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20579 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20580 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20581 depending on the value of CONSTANT_POOL_ADDRESS_P.
20582 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20584 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20585 rather than SYMBOL_REF_DECL.
20586 (rtx_constant_pool): Remove const_rtx_sym_htab.
20587 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20588 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20589 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20590 Remove handling of const_rtx_sym_htab.
20591 (find_pool_constant): Delete.
20592 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20593 rather than find_pool_constant.
20594 (get_pool_constant_for_function): Delete.
20595 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20596 find_pool_constant.
20597 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20598 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20599 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20600 (SYMBOL_REF_CONSTANT): New macro.
20601 (get_pool_constant_for_function): Delete.
20602 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20603 rather than SYMBOL_REF_DECL.
20604 (i386_pe_mark_dllimport): Likewise.
20605 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20606 rather than SYMBOL_REF_DECL.
20607 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20608 (machopic_indirect_call_target): Likewise.
20610 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20612 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20614 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20616 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20618 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20620 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20622 2006-01-24 David Daney <ddaney@avtrex.com>
20625 * configure.ac (enable_tls): New enable option.
20626 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20627 * configure: Regenerate.
20628 * doc/install.texi (--enable-tls): Document new option.
20629 (--disable-tls): Ditto.
20631 2006-01-24 Richard Henderson <rth@redehat.com>
20633 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20634 * alias.c (true_dependence): Respect it.
20635 (canon_true_dependence, write_dependence_p): Likewise.
20636 * builtins.c (get_builtin_sync_mem): Set it.
20638 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20640 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20643 2006-01-24 DJ Delorie <dj@redhat.com>
20645 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20646 for storing constants in single-bit bitfields.
20648 2006-01-25 Ben Elliston <bje@au.ibm.com>
20650 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20652 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20655 * tree-ssa-pre.c (phi_translate): Return NULL
20656 for AGGREGATE_TYPE's.
20658 2006-01-24 Zack Weinberg <zackw@panix.com>
20660 * genautomata.c (process_state_for_insn_equiv_partition):
20661 Use xcalloc for insn_arcs_array.
20662 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20663 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20665 2006-01-24 Richard Henderson <rth@redhat.com>
20667 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20668 update all callers.
20670 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20672 PR rtl-optimization/25890
20673 PR rtl-optimization/25905
20674 * combine.c (expand_compound_operation, expand_field_assignment):
20675 Fail if the bitfield's final position is out of bounds.
20677 2006-01-24 Ian Lance Taylor <ian@airs.com>
20679 PR middle-end/25930
20680 * cgraphunit.c (cgraph_output_in_order): Don't clear
20681 cgraph_asm_nodes until after asm strings have been output.
20683 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20685 * fix-header.c (read_scan_file): Add new parameter imultilib when
20686 calling register_include_chains.
20688 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20690 * omp-low.c: Update documentation.
20692 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20693 Daniel Berlin <dberlin@dberlin.org>
20697 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20698 return from the function.
20700 2006-01-22 Zack Weinberg <zackw@panix.com>
20702 * rtl.def (match_code): Add second argument.
20703 * genpreds.c (write_extract_subexp): New function.
20704 (write_match_code): Add path argument. Use write_extract_subexp.
20705 (write_predicate_expr): Pass path to write_match_code.
20706 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20707 not perform a mode test.
20708 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20709 a subexpression does not constrain the top-level code set.
20710 * read-rtl.c (read_rtx_variadic): New function.
20711 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20712 * doc/md.texi: Document new notation.
20713 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20714 (cmpsi_operand): ... here, using new notation.
20716 2006-01-22 Zack Weinberg <zackw@panix.com>
20718 * varray.c: Remove GENERATOR_FILE #ifdefs.
20720 2006-01-22 Zack Weinberg <zackw@panix.com>
20722 * genautomata.c (output_reserved_units_table): Emit nothing if
20723 description->query_units_num is zero. Remove extra blank line.
20724 (output_cpu_unit_reservation_p): Short circuit
20725 if description->query_units_num is zero.
20727 2006-01-22 Zack Weinberg <zackw@panix.com>
20729 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20730 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20731 nor any of the random handful of variables that used to be necessary
20732 when this program was linked with rtlanal.o. Prune set of forward
20733 function declarations.
20734 (struct attr_desc): Remove static_p field.
20735 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20736 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20737 (attr_string): Do not read the character one past the length of
20739 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20740 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20741 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20742 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20743 (make_automaton_attrs): New.
20744 (main): Do not call into genautomata. Call local gen_bypass
20745 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20746 Remove special case for insn_alts.
20747 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20748 varray.h (leftover from previous change). Prune set of forward
20749 function declarations. Remove state_alts fields from all
20750 structures. Remove state_alts_table from struct automaton.
20751 Make everything except main static. Do not maintain num_dfa_decls.
20752 Do not maintain state_alts fields of various structures.
20753 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20754 (add_arc): Remove state_alts argument. All callers updated.
20755 (output_reserved_units_table): Emit #ifdef here...
20756 (output_tables): ...not here. Don't generate state_alts tables.
20757 (expand_automata): Don't generate attributes.
20758 (write_automata): Don't generate state_alts functions.
20759 (main): New function.
20760 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20761 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20762 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20763 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20764 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20765 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20766 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20767 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20769 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20770 * genattrtab.h: Delete file.
20771 * Makefile.in (OBJS-common): Add insn-automata.o.
20772 (insn-automata.o): New rule.
20773 (simple_generated_c): Add insn-automata.c.
20774 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20775 (genprogmd): Add automata.
20776 (build/genattrtab): Needs no extra objects nor libraries.
20777 (build/genautomata): Needs build/vec.o and -lm.
20779 2006-01-22 Zack Weinberg <zackw@panix.com>
20781 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20782 (output_dfa_max_issue_rate, locked_states_num): Delete.
20783 (struct automaton): Add locked_states field.
20784 (output_dead_lock_vect): Save number of locked states in
20785 automaton->locked_states. If it is zero, don't print anything.
20786 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20787 (output_internal_dead_lock_func): Only test the dead_lock_vect
20788 for automata that have locked states.
20789 (output_statistics): Always print the number of locked states for
20790 each automaton. Calculate total number of locked states here.
20791 (write_automata): Don't call output_dfa_max_issue_rate.
20792 * genattrtab.c: Define length_unit_log as a const variable.
20793 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20794 max_insn_queue_index const.
20795 * final.c (length_unit_log): Declare const.
20796 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20798 2006-01-22 Zack Weinberg <zackw@panix.com>
20800 * genautomata.c: Include vec.h, not varray.h.
20801 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20802 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20803 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20804 VEC_* macros operating on appropriately typed vectors, or to
20805 malloced arrays when the size is known in advance. Const-ify
20806 many char* variables and function arguments. No functional changes.
20807 * Makefile.in (build/varray.o): Delete rule.
20808 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20809 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20811 2006-01-22 Zack Weinberg <zackw@panix.com>
20813 * gensupport.c: Define get_insn_name and record_insn_name here.
20814 (read_md_rtx): Call record_insn_name as appropriate.
20815 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20816 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20817 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20819 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20820 (BUILD_VARRAY): Delete.
20821 (genprognormal): Rename genprogmd. Fold in all programs from
20822 genprognoprint; also attrtab.
20823 (build/genattrtab): Just mention genautomata.o and varray.o.
20824 Reorganize a bit, add comments to make the categories clearer.
20826 2006-01-22 Zack Weinberg <zackw@panix.com>
20828 * genconditions.c (condition_table, add_condition): Delete.
20829 (write_conditions): Don't emit n_insn_conditions nor
20830 insn_elision_unavailable. Issue the gcc version #ifdef here,
20831 inside the table, with no #else clause ...
20832 (write_header): ...not here.
20833 (write_writer): New function.
20834 (main): Don't initialize condition_table. Use add_c_test.
20836 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20837 files on the command line.
20838 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20839 Return -1 if there is no entry in the table, don't abort.
20840 (add_c_test, traverse_c_tests): New functions.
20841 * gensupport.h (insn_elision_unavailable, insn_conditions)
20842 (n_insn_conditions): Delete declarations.
20843 (add_c_test, traverse_c_tests): Declare.
20844 * read-rtl.c: Include gensupport.h.
20845 (read_conditions): New function.
20846 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20847 (read_rtx_1): If we get EOF when we were looking for an initial
20848 open paren, return 0. Call read_conditions when appropriate.
20849 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20850 dummy-conditions.o. Eliminate references to insn-conditions.o,
20851 or change them to build/gencondmd.o, as appropriate. Remove
20852 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20853 from $(simple_generated_c). For all files remaining in those
20854 two lists, add insn-conditions.md to the generator command line.
20855 Give insn-constants.h/s-constants their own rules. Add rules
20856 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20857 (build/read-rtl.o): Depend on gensupport.h.
20858 (genprognormal): Include preds.
20859 (genprogearly): Rename genprognoprint; only difference is now that
20860 they don't link with $(BUILD_PRINT).
20861 * dummy-conditions.c: Delete.
20863 2006-01-22 Zack Weinberg <zackw@panix.com>
20865 * genextract.c: Don't include insn-config.h. Do include vec.h.
20866 Declare vectors of int, char, and locstr.
20867 (locstr): New typedef.
20868 (struct extraction): Make all array fields into bare pointers.
20869 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20870 (insn_code_number): Delete.
20871 (accum_extract): New struct.
20872 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20873 (gen_insn): Take insn_code_number as an argument. Use an
20874 accum_extract structure instead of loading data directly into
20875 a struct extraction, and having to know how big it might get.
20876 (walk_rtx): Operate entirely on an accum_extract structure.
20877 (print_path): Avoid unnecessary use of printf.
20878 (print_header): New function, split out of main. Distinguish
20879 more carefully between an unrecognizable insn and an insn that
20880 has the code number of a define_expand.
20881 (main): Pass insn_code_number to gen_insn. Call print_header
20882 only after parsing. Avoid unnecessary use of printf.
20883 * Makefile.in (build/vec.o): New rule.
20884 (build/genextract): Depend on build/vec.o.
20885 (build/genextract.o): Don't depend on insn-config.h.
20887 2006-01-22 Zack Weinberg <zackw@panix.com>
20889 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20890 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20891 practical. Eliminate per-generator-program link rules.
20893 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20895 PR middle-end/24437
20896 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20897 with a call expr to ...
20898 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20900 2006-01-23 Richard Guenther <rguenther@suse.de>
20902 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20903 before make_edge with conditional EDGE_TRUE_VALUE.
20905 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20906 Jan Hubicka <jh@suse.cz>
20907 Richard Guenther <rguenther@suse.de>
20909 PR rtl-optimization/25654
20910 * cfgexpand.c (aggregate_contains_union_type): New function.
20911 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20912 for structure variables that contain a union type.
20914 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20916 * gengtype.c (new_structure): Return the structure.
20917 (create_option): Add an extra "next" argument.
20918 (create_field): New function.
20919 (adjust_field_rtx_def): Use create_option and create_field.
20920 Remove a now-unnecessary call to find_structure.
20921 (adjust_field_tree_def): Likewise.
20922 (note_yacc_type): Remove an unnecessary call to find_structure.
20923 * gengtype.h (new_structure): Return the structure.
20924 (create_option): Add an extra argument.
20925 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20926 (option): Adjust calls to create_option.
20928 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20930 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20932 2006-01-22 Paul Brook <paul@codesourcery.com>
20933 Peter Barada <peter@the-baradas.com>
20935 * config/m68k/m68k.md: Add Coldfire FPU support.
20936 Define FP mode macro and associated attributes.
20937 Use it for float mode patterns.
20938 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20939 (LIBCALL_VALUE): Use m68k_libcall_value.
20940 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20941 (m68k_function_value): Ditto.
20942 (emit_move_sequence): Ditto.
20943 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20944 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20945 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20946 (MULTILIB_EXCEPTIONS): Ditto.
20947 * config/m68k/m68k.opt: Add mcfv4e.
20948 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20949 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20950 (m68k_output_function_prologue): Save ColdFire FPU registers.
20951 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20952 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20953 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20954 ColdFire FPU registers.
20955 (m68k_libcall_value, m68k_function_value): New functions.
20956 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20957 (LIBCALL_VALUE): Use m68k_libcall_value.
20958 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20959 (MASK_COLDFIRE): Add MASK_CFV4E.
20960 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20961 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20962 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20963 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20964 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20965 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20966 * doc/invoke.tex: Document -mcfv4e on m68k.
20968 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20970 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20973 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20976 * c-opts.c (c_common_handle_option): Don't include
20977 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20978 * doc/invoke.texi (C++ Dialect Options): Document that
20979 -Wnon-virtual-dtor is no longer included in -Wall.
20981 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20983 * gcov.c (print_version), gcov-dump.c (print_version),
20984 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20987 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20989 * df-scan.c (problem_SCAN): Added NULL reset function.
20990 (df_scan_reset_blocks): Added code to call reset block function
20991 (df_bb_refs_delete) Fixed comment.
20992 (df_insn_refs_delete): Made tolerant of deleting non existent info
20993 for dataflow problems that need to be reset.
20994 * df-core.c (df_set_blocks): Ditto.
20995 * df.h (struct df_problem): Added reset_fun.
20996 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20997 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20998 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20999 functions to clear out all references to def-use or use-def chains.
21001 2006-01-21 Ben Elliston <bje@au.ibm.com>
21003 * varasm.c (assemble_real): Initialise data array.
21005 2006-01-20 Paul Brook <paul@codesourcery.com>
21007 Merge from csl-arm-branch.
21008 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21009 * config/arm/arm.md (movdi): Force operands[1] to a register
21010 if we have a non-register source.
21011 (*arm_movdi, *movdf_soft_insn): Require that one of the
21012 operands be a register.
21013 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21014 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21016 2006-01-20 DJ Delorie <dj@redhat.com>
21018 * varasm.c (initializer_constant_valid_p): Allow pointers
21019 initialized from integer constants of lesser precision.
21020 (output_constant): Allow non-int-sized pointer modes to be
21021 initialized from integer constants.
21023 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21026 * cppdefault.h (struct default_include): Add multilib flag.
21027 * cppdefault.c (cpp_include_defaults): Set it.
21028 * c.opt (-imultilib): New option.
21029 * c-opts.c (imultilib): New.
21030 (c_common_handle_option): Handle -imultilib.
21031 (c_common_post_options): Likewise.
21032 * c-incpath.c (add_standard_paths, register_include_chains):
21034 * c-incpath.h (register_include_chains): Add extra parameter.
21035 * gcc.c (do_spec_1): Generate -imultilib option.
21036 (The Specs Language): Update %I description.
21037 (process_command): Update copyright notice.
21038 * doc/cppopts.texi (-imultilib): Document.
21039 * doc/invoke.texi (-imultilib): Include in option summary.
21040 (%I): Update specs documentation.
21042 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21044 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21046 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21048 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21051 2006-01-20 Richard Guenther <rguenther@suse.de>
21052 Steven Bosscher <stevenb.gcc@gmail.com>
21054 PR rtl-optimization/24626
21055 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21056 EDGE_TRUE_VALUE if in RTL mode.
21059 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21060 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21062 2006-01-20 Dirk Mueller <dmueller@suse.com>
21065 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21066 instead of a special NOP marker.
21067 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21068 NOP marker handling.
21069 * c-common.h (empty_body_warning): Add forward declaration.
21070 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21071 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21073 2006-01-20 Paul Brook <paul@codesourcery.com>
21075 * Makefile.in (lang_checks): Keep going if mkdir fails.
21077 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21079 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21080 be able to clean out basic block when not necessary.
21081 (df_scan_free): Fixed to properly delete information if df is
21082 unused before calling df_finish.
21083 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21084 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21086 (df_bb_refs_delete): New function.
21087 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21088 * df-core.c (df_set_blocks): Added code to properly clean out
21089 unused blocks if they are not part of the blocks to consider.
21090 Added additional null check.
21091 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21092 be able to clean out basic block when not necessary
21093 * df.h (df_free_bb_function): Ditto.
21094 (df_bb_refs_delete): New function.
21095 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21096 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21097 basic block parameter to be able to clean out basic block when not
21099 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21100 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21101 Fixed to properly delete information if df is unused before
21104 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21106 PR rtl-optimization/25799
21107 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21108 Corrected confluence operator to remove bits from op2 before oring
21109 with op1 rather than removing bits from op1.
21110 (df_ru_transfer_function): Corrected test on wrong bitmap which
21111 caused infinite loop. Both of these problems were introduced in
21112 the dataflow rewrite.
21114 2006-01-19 DJ Delorie <dj@redhat.com>
21116 * reload1.c (find_reload_regs): Note the details of reload
21117 failures in the dump file.
21118 (spill_failure): Likewise.
21120 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21122 * loop-iv.c: Include df.h and hashtab.h.
21123 (enum iv_grd_result): New enum.
21124 (DF_REF_IV, DF_REF_IV_SET): New macros.
21125 (struct biv_entry): New.
21126 (df, bivs): New global variables.
21127 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21128 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21130 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21131 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21132 analyzed_for_bivness_p, record_biv): New functions.
21133 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21134 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21135 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21137 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21139 (iv_number_of_iterations): Use new interface to iv analysis.
21140 * loop-unroll.c: Do not include varray.h.
21141 (analyze_iv_to_split_insn): Use new interface to iv
21143 * loop-unswitch.c (may_unswitch_on): Ditto.
21144 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21146 (df_bb_modify): Realloc tables to the new index.
21147 (df_find_use): New function.
21148 * df.h (df_find_use): Declare.
21149 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21151 * cfgloop.h (struct rtx_iv): Remove analysed field.
21152 (iv_get_reaching_def): Removed.
21153 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21154 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21155 (loop-iv.o): Add df.h and hashtab.h dependency.
21156 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21158 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21161 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21163 (__floatundisf, __floatundidf): Likewise.
21164 * libgcc2.h (IS_IBM_EXTENDED): Define.
21166 2006-01-19 DJ Delorie <dj@redhat.com>
21168 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21170 2006-01-19 Paul Brook <paul@codesourcery.com>
21172 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21173 as nothrow when unwinding tables are disabled.
21175 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21178 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21179 of bit-field" when in system header.
21181 2006-01-19 DJ Delorie <dj@redhat.com>
21183 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21184 the 16 bit shift limit of the m16c.
21186 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21189 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21190 * config/i386/i386.c (output_set_got): Output the label if we have one
21191 for the TARGET_DEEP_BRANCH_PREDICTION case.
21193 2006-01-19 Jan Hubicka <jh@suse.cz>
21194 H.J. Lu <hongjiu.lu@intel.com>
21195 Evandro Menezes <evandro.menezes@amd.com>
21197 * invoke.texi (generic): Document
21199 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21200 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21201 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21202 (x86_use_incdec, x86_pad_returns): New variables
21203 (TARGET_CPU_DEFAULT_generic): New constant
21204 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21205 (enum processor_type): Add generic32 and generic64.
21206 * i386.md (cpu attribute): Add generic32/generic64
21207 (movhi splitter): Behave sanely when both partial_reg_dependency and
21208 partial_reg_stall are set.
21209 (K8 splitters): Enable for generic as well.
21210 * predicates.md (incdec_operand): Use TARGET_INCDEC
21211 (aligned_operand): Avoid memory mismatch stalls.
21212 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21213 * ppro.md: Enable for generic32
21214 * i386.c (generic64_cost, generic32_cost): New.
21215 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21216 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21217 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21218 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21219 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21220 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21221 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21222 x86_accumulate_outgoing_args, x86_prologue_using_move,
21223 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21224 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21225 Enable for generic.
21226 (x86_use_incdec, x86_pad_returns): New.
21227 (override_options): Add generic32 and generic64, translate "generic"
21228 to generic32/generic64 and "i686" to "generic32", refuse
21229 "generic32"/"generic64" as arch target.
21230 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21231 (ix86_reorg): Honor PAD_RETURNS.
21233 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21235 * tree-pretty-print.c (dump_generic_node): Handle
21236 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21237 * cgraph.c (cgraph_expand_queue): Rename from
21238 cgraph_analyze_queue. Update all users.
21239 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21240 cgraph_expand_queue.
21241 (cgraph_expand_all_functions): Likewise.
21242 (cgraph_finalize_pending_functions): Remove. Update callers.
21244 * tree.h (OMP_DIRECTIVE_P): Define.
21245 (OMP_PARALLEL_FN): Define.
21246 (OMP_PARALLEL_DATA_ARG): Define.
21247 (OMP_SECTIONS_SECTIONS): Define.
21248 * tree-pass.h (pass_expand_omp): Declare.
21249 * omp-low.c (struct omp_region): Declare.
21250 (struct omp_context): Remove fields 'parallel_type',
21251 'parallel_start_ix' and 'parallel_start_additional_args'.
21253 (struct omp_for_data): Rename from struct expand_omp_for_data.
21254 (omp_regions): New static variable.
21255 (root_omp_region): New static variable.
21256 (find_omp_clause): Make static.
21257 (is_in_combined_parallel_ctx): Remove.
21258 (is_combined_parallel): New.
21259 (extract_omp_for_data): Move earlier in the file.
21260 (workshare_safe_to_combine_p): New.
21261 (get_ws_args_for): New.
21262 (determine_parallel_type): Move earlier in the file.
21263 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21265 (omp_copy_decl): Likewise.
21266 (create_omp_child_function): Likewise.
21267 (lookup_omp_region): New.
21268 (dump_omp_region): New.
21269 (debug_omp_region): New.
21270 (debug_all_omp_regions): New.
21271 (new_omp_region): New.
21272 (scan_omp_parallel): If parallel_nesting_level > 1, the
21273 directive is nested within another parallel directive.
21274 Set OMP_PARALLEL_FN.
21275 (scan_omp_for): Do not try to handle combined parallel+for
21277 Remove FIXME comment.
21278 (scan_omp_nested): Remove.
21279 (scan_omp_1): Do not call scan_omp_nested when
21280 parallel_nesting_level is > 1.
21281 Do not change the DECL_CONTEXT of local variables found.
21282 (lookup_decl_in_outer_ctx): New.
21283 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21284 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21285 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21286 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21287 If CTX is nested, lookup VAR in the outer context when
21288 building copy assignment.
21289 (lower_send_clauses): Rename from expand_send_clauses.
21290 If CTX is nested, lookup VAR in the outer context when
21291 building copy assignments.
21292 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21293 If CTX is nested, lookup VAR in the outer context when
21294 building copy assignments.
21295 (expand_parallel_call): Rename from build_parallel_call.
21296 Handle combined parallel+workshare cases.
21297 Re-implement to emit code into the CFG.
21299 (expand_omp_parallel): Re-implement to emit code into the CFG.
21300 Call move_sese_region_to_fn to outline the sub-graph
21301 containing the parallel region.
21302 (expand_omp_for_1): Remove.
21303 (expand_omp_for_generic): Re-implement to emit code into the
21305 (expand_omp_for_static_nochunk): Likewise.
21306 (expand_omp_for_static_chunk): Likewise.
21307 (expand_omp_for): Likewise.
21308 (expand_omp_sections): Likewise.
21309 (remove_exit_barriers): New.
21310 (expand_omp_synch): New.
21312 (build_omp_regions_1): New.
21313 (build_omp_regions): New.
21314 (execute_expand_omp): New.
21315 (gate_expand_omp): New.
21316 (pass_expand_omp): Define.
21317 (lower_omp_sections): Rename from expand_omp_sections.
21318 Set OMP_SECTIONS_SECTIONS.
21319 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21320 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21321 (lower_omp_single): Rename from expand_omp_simple.
21322 (lower_omp_master): Rename from expand_omp_master.
21323 (lower_omp_ordered): Rename from expand_omp_ordered.
21324 (lower_omp_critical): Rename from expand_omp_critical.
21325 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21326 (lower_omp_for): Re-implement.
21327 (lower_omp_parallel): Re-implement.
21328 (lower_regimplify): Rename from expand_regimplify.
21329 (lower_omp_1): Rename from expand_omp_1.
21330 If there are syntax errors in the program, replace every
21331 OpenMP directive with NOP.
21332 Call lower_omp_* instead of expand_omp_*.
21333 (lower_omp): Rename from expand_omp.
21335 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21336 * tree-gimple.h (enum omp_parallel_type): Remove.
21337 (gimple_boolify): Declare extern.
21338 (find_omp_clause, determine_parallel_type): Remove.
21340 * gimple-low.c (lower_omp_directive): New.
21341 (lower_stmt): Call it.
21342 (record_vars_into): Move from ...
21343 (record_vars): ... here.
21344 Call record_vars_into with current_function_decl.
21346 * gimplify.c (struct gimplify_ctx): Remove fields
21347 combined_pre_p and combined_ctxp. Update users.
21348 (get_formal_tmp_var): Add documentation.
21349 (gimple_boolify): Make extern.
21350 (gimplify_expr_in_ctx): Remove. Update callers.
21351 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21352 will always be a BIND_EXPR.
21353 (gimplify_expr): Handle OMP_RETURN_EXPR.
21354 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21355 (OMP_PARALLEL): Add 3 operands.
21356 (OMP_SECTIONS): Add 1 operand.
21357 (OMP_RETURN_EXPR): Define.
21359 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21360 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21361 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21362 creating a circular free list.
21363 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21365 * tree-flow.h (move_sese_region_to_fn): Declare.
21366 (record_vars_into): Declare.
21367 * tree-cfg.c (make_omp_sections_edges): New.
21368 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21369 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21370 OMP_SECTIONS and OMP_SECTION.
21371 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21372 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21373 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21374 (gather_blocks_in_sese_region): New.
21375 (struct move_stmt_d): Declare.
21376 (move_stmt_r): New.
21377 (move_block_to_fn): New.
21378 (move_sese_region_to_fn): New.
21380 * passes.c (init_optimization_passes): Schedule
21381 pass_expand_omp after pass_init_datastructures.
21383 * tree-ssa-operands.c (get_expr_operands): Handle
21384 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21385 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21387 2006-01-19 Jeff Law <law@redhat.com>
21389 * tree-vrp.c (extract_range_from_assert): Refine the result range
21390 if the variable referenced by the ASSERT_EXPR has a range and
21391 either the tentative result range or the previous range is a
21394 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21396 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21398 2006-01-19 Jan Hubicka <jh@suse.cz>
21400 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21402 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21404 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21405 (expand_compound_operation, expand_field_assignment): Fail if the
21406 bit lengths of an extract operation are out of range.
21407 (make_extraction): Compute wanted_inner_mode based on the position
21408 and length of the extraction. Make it extraction_mode for non-constant
21409 positions, and do not modify offset in that case. When generating a
21410 new MEM, use a mode that can hold the extraction while keeping correct
21411 alignment. Remove code that supported MEMs wrapped by USEs.
21412 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21414 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21416 * config/s390/s390.md ("Y", "y"): New mode attribute.
21417 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21418 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21419 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21420 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21421 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21422 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21423 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21424 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21425 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21426 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21427 "addsi3", "subsi3"): Insn patterns removed.
21428 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21429 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21430 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21431 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21432 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21433 "*sub<mode>3_cconly2"): New insn patterns.
21434 ("addsi3", "subsi3"): New expanders.
21436 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21438 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21439 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21440 existing STMT_VINFO_VECTYPE if available.
21441 (vect_mark_relevant): Add special handling for stmts that are
21442 marked as STMT_VINFO_IN_PATTERN_P.
21443 (vect_analyze_loop): Call vect_pattern_recog.
21444 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21445 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21447 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21448 (vect_recog_func_ptr): New function-pointer type.
21449 * tree-vect-patterns.c: New file.
21450 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21451 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21452 (vect_pattern_recog_1): New functions.
21453 (vect_pattern_recog_funcs): New array of function pointers.
21455 * tree-vectorizer.h (ternary_op): New enum value.
21456 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21457 declaration. Revised documentation. Removed redundant dump prints.
21458 Removed redundant argument. Added support for reduction patterns.
21459 (vectorizable_reduction): Added support for reduction patterns.
21460 (vect_transform_stmt): Added support for patterns.
21462 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21463 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21464 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21465 (expand_widen_pattern_expr): New function.
21466 (init_optabs): Initialize new optabs udot_prod_optab,
21468 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21469 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21470 (expand_widen_pattern_expr): New function declaration.
21471 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21473 * tree-inline.c (estimate_num_insns_1): Added cases for new
21474 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21475 * tree-pretty-print.c (dump_generic_node): Likewise.
21476 (op_prio): Likewise.
21477 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21478 * tree-ssa-operands.c (get_expr_operands): Added case for
21480 * tree-vect-patterns.c (widened_name_p): New function.
21481 (vect_recog_dot_prod_pattern): Added function implementation.
21482 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21483 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21484 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21485 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21487 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21488 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21489 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21490 (init_optabs): Initialize new optabs widen_ssum_optab,
21492 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21493 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21494 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21495 use instead of type of def.
21496 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21497 function implementation.
21498 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21499 widen_ssumv8hi): New.
21501 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21504 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21507 * c-decl.c (add_flexible_array_elts_to_size): New function.
21508 (finish_decl): Use it.
21510 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21512 * diagnostic.h: Include options.h.
21513 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21514 dependancies for diagnostic.h.
21515 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21517 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21519 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21520 (ssa_ro_call_cache_valid): Ditto.
21521 * tree-ssa-alias.c (sort_tags_by_id): New function.
21522 (init_transitive_clobber_worklist): Ditto.
21523 (add_to_worklist): Ditto.
21524 (mark_aliases_call_clobbered): Ditto.
21525 (compute_tag_properties): Ditto.
21526 (set_initial_properties): Ditto.
21527 (compute_call_clobbered): Ditto.
21528 (compute_may_aliases): Call compute_call_clobbered and grouping.
21529 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21530 (compute_flow_insensitive_aliasing): Grouping now happens in our
21532 (setup_pointers_and_addressables): Remove clobbering related code.
21533 (add_may_alias): Ditto.
21534 (replace_may_alias): Ditto.
21535 (get_nmt_for): Ditto.
21536 (create_global_var):
21537 (is_escape_site): Return an escape_type enumeration.
21538 * tree-flow-inline.h (is_call_clobbered): Global var does not
21539 imply call clobbered.
21540 (mark_call_clobbered): Take a reason for marking this. Remove
21541 marking of globalness, and cache invalidation.
21542 (clear_call_clobbered): Remove cache invalidation code.
21543 * tree-dfa.c (dump_variable): If details is on, dump the reason
21545 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21547 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21548 (struct var_ann_d): Ditto.
21549 (enum escape_type): New.
21550 (mark_call_clobbered): Adjust prototype.
21551 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21552 are never call clobbered.
21553 Record reasons for escaping.
21554 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21555 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21556 (ssa_ro_call_cache_valid): Ditto.
21557 (clobbered_v_may_defs): Ditto.
21558 (clobbered_vuses): Ditto.
21559 (ro_call_vuses): Ditto.
21560 (clobber_stats): New.
21561 (init_ssa_operands): Zero out clobber stats.
21562 (fini_ssa_operands): Print out clobber stats.
21563 (get_call_expr_operands): Pass callee fndecl to
21564 add_call_read_ops).
21565 (add_call_clobber_ops): Remove use of cache.
21566 Add use of PURE_CONST information.
21567 (add_call_read_ops): Remove use of cache.
21568 Add use of static not_read information.
21570 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21572 Introduce TLS descriptors for i386 and x86_64.
21573 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21574 (TARGET_ANY_GNU_TLS): New macro.
21575 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21576 (struct machine_function): Add tls_descriptor_call_expanded_p.
21577 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21578 (ix86_current_function_calls_tls_descriptor): Likewise.
21579 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21580 (override_options): Introduce gnu2 tls dialect.
21581 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21583 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21585 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21586 (ix86_init_machine_status): Initialize new field.
21587 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21588 (ix86_tls_module_base): New.
21589 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21590 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21591 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21592 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21593 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21594 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21595 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21596 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21597 * config/i386/predicates.md (tls_modbase_operand): New.
21598 (tp_or_register_operand): New.
21600 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21602 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21603 (look_for_address_of): Ditto.
21604 (ipa_init): Walk the function decls.
21605 (static_execute): Don't set readonly on FUNCTION_DECL's.
21607 2006-01-18 Roger Sayle <roger@eyesopen.com>
21609 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21610 for shifts where the source and destination registers are different.
21612 2006-01-18 Paul Brook <paul@codesourcery.com>
21614 Merge from csl-arm-branch.
21615 2005-03-14 Julian Brown <julian@codesourcery.com>
21616 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21617 (aeabi_llsl): Likewise.
21618 (ashrdi3): Likewise.
21619 (aeabi_lasr): Likewise.
21620 (lshrdi3): Likewise.
21621 (aeabi_llsr): Likewise.
21622 2005-03-10 Julian Brown <julian@codesourcery.com>
21623 * config.gcc: Disable shared libgcc for SymbianOS.
21624 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21626 2006-01-18 DJ Delorie <dj@redhat.com>
21628 * c-pragma.c (handle_pragma_diagnostic): New.
21629 (init_pragma): Register it.
21630 * doc/extend.texi: Document it.
21632 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21633 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21634 (diagnostic_context): Add classify_diagnostic[].
21635 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21636 as errors if they're overridden to DK_WARNING.
21637 (diagnostic_initialize): Initialize classify_diagnostic[].
21638 (diagnostic_set_kind_override): New.
21639 (diagnostic_report_diagnostic): Check for kind changes.
21640 * opts.c (common_handle_option): Take lang_mask. Update callers.
21641 Handle OPT_Werror_.
21642 * common.opt (Werror=): New.
21643 * doc/invoke.texi: Document -Werror=*
21645 2006-01-18 Jeff Law <law@redhat.com>
21647 * tree-vrp.c (test_for_singularity): Correct test for new
21648 min limit. Use operand_equal_p rather than pointer equality
21649 for testing if new min/max values are equal.
21651 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21652 using range information until after propagation and folding.
21654 2006-01-18 Richard Henderson <rth@redhat.com>
21655 Aldy Hernandez <aldyh@redhat.com>
21656 Jakub Jelinek <jakub@redhat.com>
21657 Diego Novillo <dnovillo@redhat.com>
21659 * omp-low.c: New file.
21660 * c-omp.c: New file.
21662 2006-01-18 Richard Henderson <rth@redhat.com>
21663 Jakub Jelinek <jakub@redhat.com>
21664 Diego Novillo <dnovillo@redhat.com>
21666 * doc/invoke.texi: Document -fopenmp.
21667 * tree-dump.h (debug_function): Declare.
21668 * hooks.c (hook_bool_tree_bool_false): New function.
21669 (hook_tree_tree_null): Remove.
21670 (hook_tree_tree_tree_null): New.
21671 * hooks.h: Update to match.
21672 * tree-pretty-print.c (debug_tree_chain): New.
21673 (print_generic_expr): Handle TDF_CHAIN.
21674 (dump_generic_node): Handle BLOCK.
21675 Do not abort with incomplete SWITCH_EXPRs.
21676 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21677 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21678 print space after directive name.
21679 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21680 Handle OMP_MASTER and OMP_ORDERED.
21681 Handle printing of OMP_BODY just in one place, goto
21682 dump_omp_body in the rest of OMP_* nodes that have
21684 Don't handle clause nodes here. Update omp statements to
21685 use dump_omp_clauses.
21686 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21687 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21688 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21689 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21690 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21691 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21692 Adjust output for GOMP_PARALLEL.
21693 (dump_omp_clauses): New.
21694 (print_declaration): Dump DECL_VALUE_EXPR.
21695 (op_symbol_1): Split out of op_symbol.
21696 (dumping_stmts): Remove. Update all users.
21697 * cgraph.c (cgraph_analyze_queue): New.
21698 (cgraph_add_new_function): New.
21699 * cgraph.h (cgraph_analyze_queue): Declare.
21700 (cgraph_add_new_function): Declare.
21701 (cgraph_lower_function): Remove.
21702 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21703 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21704 and TYPE_P nodes in its default clause.
21705 (empty_body_p): New.
21706 (tree_range_check_failed): New.
21707 (build5_stat): New.
21708 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21709 OMP_CLAUSE_REDUCTION_MERGE,
21710 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21711 OMP_CLAUSE_PRIVATE_DEBUG,
21712 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21713 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21714 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21715 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21716 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21717 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21718 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21719 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21720 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21721 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21722 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21723 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21724 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21725 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21726 (TREE_RANGE_CHECK): New.
21727 (empty_body_p): Declare.
21728 (enum omp_clause_default_kind): New.
21729 (build_string_literal): Declare.
21730 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21731 (build5_stat, build5): Declare.
21732 * tree-pass.h (TDF_CHAIN): Define.
21733 * tree-pass.h (PROP_gimple_lomp): Define.
21734 (pass_lower_omp): Declare.
21735 * diagnostic.h (debug_tree_chain): Declare.
21736 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21738 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21739 * builtins.c (build_string_literal): Make extern.
21740 * gcc.c (include_spec_function): New.
21741 (static_spec_functions): Add it.
21742 (main): Move load of libgomp.spec ...
21743 (LINK_COMMAND_SPEC): ... here.
21744 (link_gomp_spec): New.
21745 (static_specs): Include it.
21746 (LINK_COMMAND_SPEC): Add link_gomp.
21747 (GOMP_SELF_SPECS): New.
21748 (driver_self_specs): Include it.
21749 (switch_matches): Don't mark inline.
21750 (main): Load libgomp.spec.
21751 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21752 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21753 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21754 * tree-gimple.h (enum omp_parallel): Declare.
21755 (determine_parallel_type): Declare.
21756 (omp_firstprivatize_variable): Declare.
21757 (omp_reduction_init): Declare.
21758 (diagnose_omp_structured_block_errors): Declare.
21759 (struct walk_stmt_info): Add want_return_expr.
21760 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21761 (find_omp_clause): Declare.
21762 (insert_field_into_struct): Declare.
21763 (struct walk_stmt_info): Move from tree-nested.c
21764 (walk_stmts): Declare.
21765 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21767 * cgraphunit.c (cgraph_lower_function): Make static.
21768 (cgraph_finalize_pending_functions): New.
21769 (cgraph_finalize_function): Call it.
21770 (cgraph_finalize_compilation_unit): Likewise.
21771 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21772 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21773 (BT_FN_UINT_UINT): New.
21774 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21775 DEF_FUNCTION_TYPE_VAR_4): Document.
21776 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21777 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21778 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21779 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21780 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21781 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21782 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21783 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21784 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21785 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21786 into separate files.
21787 (DEF_GOMP_BUILTIN): New.
21788 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21789 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21790 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21791 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21792 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21793 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21794 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21795 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21796 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21797 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21798 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21799 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21800 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21801 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21802 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21803 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21804 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21805 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21806 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21807 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21808 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21809 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21810 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21811 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21812 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21813 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21814 * sync-builtins.def: New file, moved from builtins.def.
21815 * omp-builtins.def: New file, moved from builtins.def.
21816 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21817 * gimple-low.c (lower_function_body): Clear data.
21818 (lower_stmt): Do not handle COMPOUND_EXPR.
21819 Remove call to print_node_brief.
21820 * c-tree.h (c_finish_omp_clauses): New prototype.
21821 (C_DECL_THREADPRIVATE_P): Define.
21822 (lookup_name_no_remap, c_omp_remap_private): Remove
21823 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21824 (check_for_loop_decls): Update decl.
21825 (lookup_name_no_remap, c_omp_remap_private): Declare.
21826 (build_indirect_ref, build_modify_expr, pushdecl,
21827 pushdecl_top_level): Move to c-common.h.
21828 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21829 before the switch, but just in the 2 places that need it.
21830 * c-decl.c (diagnose_mismatched_decls): Do not check for
21831 mismatched thread-local attributes when OLDDECL is marked
21832 threadprivate and NEWDECL has no thread-local attributes.
21833 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21834 (c_gimple_diagnostics_recursively): Rename from
21835 c_warn_unused_result_recursively. Invoke
21836 diagnose_omp_structured_block_errors.
21837 (check_for_loop_decls): Return a singular decl found.
21838 * langhooks.c (lhd_omp_predetermined_sharing): Return
21839 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21840 (lhd_omp_firstprivatize_type_sizes): New.
21841 (lhd_omp_assignment): New.
21842 (lhd_omp_predetermined_sharing): New.
21843 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21844 (struct lang_hooks_for_types): Add
21845 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21846 omp_predetermined_sharing, omp_disregard_value_expr,
21847 omp_private_debug_clause, omp_clause_default_ctor,
21848 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21849 (c_finish_omp_clauses): New.
21850 (c_finish_bc_stmt): Diagnose break within omp for.
21851 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21852 (build_unary_op): Return error_mark after reporting
21854 (build_modify_expr): Likewise.
21855 * gimplify.c: Include optabs.h and pointer-set.h.
21856 (enum gimplify_omp_var_data): Declare.
21857 (struct gimplify_omp_ctx): Declare.
21858 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21860 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21861 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21862 (splay_tree_compare_decl_uid): New.
21863 (new_omp_context): New.
21864 (delete_omp_context): New.
21865 (gimple_add_tmp_var): Call omp_add_variable.
21866 (gimplify_bind_expr): Likewise.
21867 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21868 true, disregard DECL_VALUE_EXPR on the decl if any.
21869 (gimplify_expr_in_ctx): New.
21870 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21871 omp_add_variable, omp_notice_variable, omp_is_private
21872 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21873 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21874 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21875 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21876 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21877 gimplify_omp_atomic): New.
21878 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21879 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21880 OMP_CRITICAL and OMP_ATOMIC.
21881 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21882 * c-pragma.h (enum pragma_kind): Add
21883 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21884 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21885 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21886 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21887 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21888 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21889 PRAGMA_OMP_THREADPRIVATE.
21890 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21891 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21892 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21893 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21894 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21895 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21896 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21897 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21898 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21899 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21900 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21901 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21902 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21904 (struct nesting_info): Add field_map,
21905 suppress_expansion, debug_var_chain.
21906 (create_nesting_tree): Initialize them.
21907 (lookup_field_for_decl): Use field_map.
21908 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21909 (convert_local_omp_clauses): New.
21910 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21911 (walk_body): Split out of walk_function.
21912 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21913 (convert_nonlocal_reference): Handle omp statements.
21914 (convert_local_reference): Likewise.
21915 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21916 (unnest_nesting_tree): New.
21917 (lower_nested_functions): Call it.
21918 (insert_field_into_struct): Make extern.
21919 (struct walk_stmt_info): Move to tree-gimple.h.
21920 (walk_stmts): Make extern.
21921 * omp-builtins.def: New file.
21922 * tree-iterator.c (expr_only): Clarify comment.
21923 * c-common.h (pushdecl_top_level, pushdecl,
21924 build_modify_expr, build_indirect_ref,
21925 c_finish_omp_master, c_finish_omp_critical,
21926 c_finish_omp_ordered, c_finish_omp_barrier,
21927 c_finish_omp_atomic, c_finish_omp_flush,
21928 c_finish_omp_for, c_split_parallel_clauses,
21929 omp_clause_default_kind, c_omp_sharing_predetermined,
21930 c_omp_remap_decl): Declare.
21931 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21932 (OBJS-common): Add omp-low.o.
21933 (c-omp.o, omp-low.o): Add.
21934 (gimplify.o): Add dependency on $(OPTABS_H).
21935 (GTFILES): Add omp-low.c.
21936 (gt-stringpool.h): Add.
21937 * tree-cfg.c (set_bb_for_stmt): Do not update the
21938 block-to-labels map if we are currently expanding to RTL.
21939 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21941 Handle IDENTIFIER_NODE.
21942 (tree_verify_flow_info): Do not ICE when emitting error
21943 messages about invalid labels.
21944 (dump_function_to_file): Reset CFUN before emitting the body
21946 (debug_function): New.
21947 * passes.c (init_optimization_passes): Schedule
21949 * langhooks-def.h (lhd_omp_predetermined_sharing,
21950 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21952 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21953 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21954 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21955 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21956 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21957 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21958 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21959 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21960 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21961 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21962 (LANG_HOOK_DECLS): Use them.
21964 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21965 Richard Henderson <rth@redhat.com>
21966 Jakub Jelinek <jakub@redhat.com>
21967 Diego Novillo <dnovillo@redhat.com>
21969 * c-parser.c (pragma_omp_clause): Define.
21970 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21971 (c_parser_compound_statement): Likewise.
21972 (c_parser_statement): Likewise.
21973 (c_parser_pragma): Handle omp pragmas.
21974 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21975 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21976 (c_parser_omp_clause_name, check_no_duplicate_clause,
21977 c_parser_omp_variable_list,
21978 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21979 c_parser_omp_clause_copyprivate,
21980 c_parser_omp_clause_default,
21981 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21982 c_parser_omp_clause_lastprivate,
21983 c_parser_omp_clause_nowait,
21984 c_parser_omp_clause_num_threads,
21985 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21986 c_parser_omp_clause_reduction,
21987 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21988 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21989 c_parser_omp_atomic, c_parser_omp_barrier,
21990 c_parser_omp_critical, c_parser_omp_flush,
21991 c_parser_omp_for_loop, c_parser_omp_for,
21992 c_parser_omp_master, c_parser_omp_ordered,
21993 c_parser_omp_sections_scope, c_parser_omp_sections,
21994 c_parser_omp_parallel, c_parser_omp_single,
21995 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21996 * c-pragma.c (init_pragma): Do omp pragma registration here.
21997 * c.opt (fopenmp): New flag.
21999 2006-01-18 Eric Christopher <echristo@apple.com>
22001 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22002 * config/darwin.h (GOMP_SELF_SPECS): Define.
22004 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22006 * rtl.h: Remove the prototype for reg_alloc.
22008 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22011 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22012 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22013 sjlj and dwarf2 exception handling.
22014 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22015 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22016 * pa/pa.c (function_value): Treat complex and vector types as
22018 (function_arg): Likewise. Only pass scalar floats in the floating
22019 point argument registers.
22020 * pa/t-slibgcc-dwarf-ver: New file.
22021 * pa/t-slibgcc-sjlj-ver: New file.
22022 * pa/t-slibgcc-elf-ver: Delete file.
22024 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22026 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22027 unlikely_test_section_p test.
22029 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22031 * mode-switching.c (optimize_mode_switching): Make it static.
22032 * basic-block.h: Remove the prototype for
22033 optimize_mode_switching.
22035 * modulo-sched.c (sms_schedule): Make it static.
22036 * rtl.h: Remove the prototype for sms_schedule.
22038 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22039 * rtl.h: Remove the prototype for gcse_after_reload_main.
22041 * reg-stack.c (reg_to_stack): Make it static.
22042 * rtl.h: Remove the prototype for reg_to_stack.
22044 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22046 * rtl.h: Remove the prototypes for regrename_optimize and
22047 copyprop_hardreg_forward.
22049 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22051 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22052 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22053 Test against the appropriate null constant for the mode.
22054 If 'fixup_overlap' is true, swap the operands if they overlap.
22055 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22056 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22057 alpha_split_tmode_pair and adjust for above change.
22058 * config/alpha/alpha.md (movtf_internal): Adjust call to
22059 alpha_split_tfmode_pair and rely on it to swap the operands.
22060 (movti_internal): New insn and post-reload splitter.
22061 (movti): New expander.
22063 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22065 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22068 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22070 * rtlanal.c (global_reg_mentioned_p_1,
22071 global_reg_mentioned_p): Remove.
22072 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22074 * flow.c (initialize_uninitialized_subregs): Make it static.
22075 * rtl.h: Remove the prototype for
22076 initialize_uninitialized_subregs.
22078 * function.c (instantiate_virtual_regs): Make it static.
22079 * function.h: Remove the prototype for
22080 instantiate_virtual_regs.
22082 * regmove.c (regmove_optimize, combine_stack_adjustments):
22084 * rtl.h: Remove the prototypes for regmove_optimize and
22085 combine_stack_adjustments.
22087 2006-01-17 Roger Sayle <roger@eyesopen.com>
22089 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22090 (size_cost): Encode costs in bytes so that a reg-reg addition is
22091 equivalent to COSTS_N_INSNS(1).
22092 (override_options): Use the size_cost.branch_cost as the default
22093 ix86_branch_cost when optimizing for size.
22095 2006-01-18 Ben Elliston <bje@au.ibm.com>
22097 * Makefile.in (D32PBIT_FUNCS): New.
22098 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22099 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22100 D64PBIT_FUNCS and D128PBIT_FUNCS.
22101 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22102 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22104 (decnumber_dep): Define.
22105 * doc/libgcc.texi (Decimal float library routines): New node.
22106 * config/dfp-bit.h, config/dfp-bit.c: New files.
22108 2006-01-18 Ben Elliston <bje@au.ibm.com>
22110 * expr.c (emit_move_change_mode): Always adjust addresses, not
22111 just during reload. Copy replacements only during reload.
22112 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22113 emit_move_via_integer.
22115 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22117 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22118 instead of $(srcdir) and ${srcdir}.
22120 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22123 PR middle-end/11135
22124 * arm.h (struct machine_function): Add pic_reg.
22125 * arm.c (arm_pic_register): Make unsigned.
22126 (arm_override_options): Only set arm_pic_register if
22127 TARGET_SINGLE_PIC_BASE.
22128 (use_return_insn): Only test for a pic register if it is fixed.
22129 (arm_compute_save_reg0_reg12_mask): Likewise.
22130 (thumb_compute_save_reg_mask): Likewise.
22131 (legitimate_pic_operand): Factor out some known invariants.
22132 (legitimize_pic_address): If we don't have a fixed pic register,
22133 then set up a pseudo in the function entry sequence. Handle the
22134 pic base being in a pseudo.
22135 (arm_load_pic_register): Handle the pic register being in a pseudo.
22136 (arm_expand_prologue): Only set up the pic register if it is fixed.
22137 (thumb_expand_prologue): Likewise.
22138 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22139 (pic_load_addr_based_insn): Likewise.
22140 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22143 2006-01-18 Ben Elliston <bje@au.ibm.com>
22145 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22146 decimal float modes for all floating point registers.
22148 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22149 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22151 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22154 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22155 even when the pointer is not NULL.
22157 2006-01-16 Ian Lance Taylor <ian@airs.com>
22159 * common.opt (ftoplevel-reorder): New option.
22160 * cgraph.c (cgraph_asm_nodes): New global variable.
22161 (cgraph_asm_last_node): New static variable.
22162 (cgraph_order): New global variable.
22163 (cgraph_create_node): Set new order field.
22164 (cgraph_varpool_node): Likewise.
22165 (decide_is_variable_needed): Return true if not
22166 flag_toplevel_reorder.
22167 (cgraph_add_asm_node): New function.
22168 * cgraph.h (struct cgraph_node): Add order field.
22169 (struct cgraph_varpool_node): Add order field.
22170 (struct cgraph_asm_node): Define.
22171 (cgraph_asm_nodes, cgraph_order): Declare.
22172 (cgraph_add_asm_node): Declare.
22173 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22175 (cgraph_varpool_assemble_pending_decls): Call it.
22176 (cgraph_output_pending_asms): New static function.
22177 (cgraph_finalize_compilation_unit): Call it.
22178 (struct cgraph_order_sort): Define.
22179 (cgraph_output_in_order): New static function.
22180 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22181 !flag_toplevel_reorder case.
22182 * c-parser.c: Include "cgraph.h".
22183 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22185 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22186 than -fno-unit-at-a-time.
22187 * doc/invoke.texi (Option Summary): Mention
22188 -fno-toplevel-reorder.
22189 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22190 -funit-at-a-time documentation.
22192 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22193 Kazu Hirata <kazu@codesourcery.com>
22195 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22197 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22199 * Makefile.in (FUNCTION_H): New. Use it instead of
22200 function.h throughout the file.
22201 * function.h: Include tree.h.
22203 2006-01-17 Ben Elliston <bje@au.ibm.com>
22205 * recog.c: Separate some functions with whitespace.
22207 2006-01-16 Richard Henderson <rth@redhat.com>
22209 Merge from gomp branch:
22210 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22211 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22212 and rename from struct inline_data. Rename callee* to dst*;
22213 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22214 transform_new_cfg, transform_return_to_modify, and
22215 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22217 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22218 (copy_decl_for_dup): Remove.
22219 * tree-inline.c (struct inline_data): Move to header.
22220 (insert_decl_map): Export.
22221 (remap_decl): Update for member name changes. Use copy_decl hook.
22222 Allow for replacement to be a non-decl. Remove dead code.
22223 (remap_type_1): Check for existing mapping.
22224 (remap_type): Export.
22225 (remap_decls): Update for member name changes.
22226 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22227 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22228 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22229 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22230 (tree_function_versioning, build_duplicate_type): Likewise.
22231 (copy_body_r): Likewise. Export.
22232 (copy_decl_for_dup): Split into ...
22233 (copy_decl_for_dup_finish, copy_decl_to_var,
22234 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22235 (replace_ref_tree, inlining_p): Remove.
22237 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22239 * ifcvt.c (if_convert): Make it static.
22240 * rtl.h: Remove the prototype for if_convert.
22242 * local-alloc.c (local_alloc): Make it static.
22243 * rtl.h: Remove the prototype for local_alloc.
22245 * loop.c (loop_optimize): Make it static.
22246 * cfgloop.h: Remove the prototype for loop_optimize.
22249 2006-01-16 DJ Delorie <dj@redhat.com>
22251 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22254 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22256 * pa.md: Disparage copies between general and floating-point registers
22257 in 32-bit move patterns.
22259 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22262 * Makefile.in (check-%): Depend on site.exp instead of
22263 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22266 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22268 * global.c (global_alloc): Make it static.
22269 * rtl.h: Remove the prototype for global_alloc.
22271 2006-01-16 Richard Guenther <rguenther@suse.de>
22273 * tree-ssa-alias.c (struct used_part): Add write_only field.
22274 (get_or_create_used_part_for): Initialize it to true.
22275 (create_overlap_variables_for): Don't create structure variables
22276 for structures that only are written to.
22277 (find_used_portions): Handle MODIFY_EXPR to track whether a
22278 structure is only written to.
22280 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22282 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22284 * basic-block.h: Remove the prototype for
22285 partition_hot_cold_basic_blocks.
22287 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22289 * cppspec.c (lang_specific_spec_functions): Remove.
22290 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22291 * gcc.h (lang_specific_spec_functions): Remove.
22292 * gccspec.c (lang_specific_spec_functions): Remove.
22294 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22296 * combine.c (record_value_for_reg): Invalidate registers
22298 (record_dead_and_set_regs_1): Likewise, by passing them to
22299 record_value_for_reg.
22300 (record_dead_and_set_regs): Invalidate stores made by a
22301 call. We do not combine across a call, but we still
22302 relied on equivalences.
22304 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22306 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22307 vrp_int_const_binop returning non-constant nodes.
22309 2006-01-16 Paul Brook <paul@codesourcery.com>
22311 * config/m68k/m68k.c (output_move_const_into_data_reg):
22312 Output correct mnemonic for mvz and mvs.
22314 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22316 * rtl-factoring.c: Add sequence abstraction algorithm.
22317 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22318 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22320 (block_has_preserve_label): New function.
22321 * common.opt: Register new pass.
22322 * Makefile.in: Ditto.
22324 * timevar.def: Ditto.
22325 * tree-pass.h: Ditto.
22326 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22327 * rtl.h (make_jump_insn_raw): Add forward decl.
22328 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22330 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22331 Roger Sayle <roger@eyesopen.com>
22333 * fold-const.c (fold_minmax): New static function.
22334 (fold_binary) <MIN_EXPR>: Call it.
22335 <MAX_EXPR>: Likewise.
22336 * stor-layout.c (place_field): Use DECL_SIZE consistently
22337 in the computation of the new record size.
22339 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22341 * cse.c (cse_condition_code_reg): Make it static.
22342 * rtl.h: Remove the prototype for cse_condition_code_reg.
22344 * combine.c (combine_instructions): Make it static.
22345 * rtl.h: Remove the prototype for combine_instructions.
22347 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22350 * tree.c (get_file_function_name_long): Concatenate the first global
22351 object name with a string derived from the input filename of the object
22354 2006-01-16 Ben Elliston <bje@au.ibm.com>
22356 * config/i386/winnt-stubs.c: Update FSF address.
22357 * config/xtensa/ieee754-df.S: Ditto.
22358 * config/xtensa/ieee754-sf.S: Ditto.
22360 2006-01-14 Ian Lance Taylor <ian@airs.com>
22362 * ifcvt.c (noce_init_if_info): New static function, broken out of
22363 noce_process_if_block.
22364 (noce_process_if_block): Call noce_init_if_info.
22365 (check_cond_move_block): New static function.
22366 (cond_move_process_if_block): New static function.
22367 (process_if_block): Call cond_move_process_if_block.
22369 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22371 * cselib.c (hash_table): Rename to cselib_hash_table.
22372 (cselib_clear_table, discard_useless_values,
22373 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22374 cselib_init, cselib_finish): Adjust uses of hash_table.
22376 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22378 PR tree-optimization/25485
22379 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22380 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22381 is known to be false and true, respectively.
22383 2006-01-14 Richard Guenther <rguenther@suse.de>
22385 PR tree-optimization/22548
22386 PR tree-optimization/22555
22387 PR tree-optimization/22501
22388 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22389 * params.def (salias-max-array-elements): New parameter.
22390 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22391 * doc/invoke.texi (salias-max-array-elements): Document.
22392 * tree-flow-inline.h (var_can_have_subvars): We also handle
22394 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22396 * tree-ssa-structalias.c (params.h): Include.
22397 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22398 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22399 (get_constraint_for): For ADDR_EXPR operating on something
22400 containing an ARRAY_REF, add all subvars to the solution.
22401 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22402 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22403 for creating MUST_DEFs.
22404 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22406 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22408 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22410 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22411 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22412 number_of_iterations_le): New functions.
22413 (number_of_iterations_special): Removed.
22414 (number_of_iterations_exit): Do not use number_of_iterations_special.
22415 * tree.c (unsigned_type_for): Always return integer type.
22417 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22418 Richard Guenther <rguenther@suse.de>
22420 PR rtl-optimization/24257
22421 * gcse.c (find_moveable_store): Only consider a store movable
22422 when the SET_SRC of the insn can be assigned to a register.
22424 2006-01-14 Ian Lance Taylor <ian@airs.com>
22426 * tree.c (tree_not_class_check_failed): New function.
22427 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22428 (tree_not_class_check_failed): Declare.
22430 2006-01-13 Ian Lance Taylor <ian@airs.com>
22432 * reload1.c (do_output_reload): Add assertion rejecting a
22435 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22437 * combine.c (struct reg_stat): Add new fields truncation_label and
22439 (record_value_for_reg): Reset truncated_to_mode.
22440 (record_truncated_value): New function.
22441 (check_promoted_subreg): Call it. Rename to check_conversions.
22442 (combine_instructions): Rename check_promoted_subreg to
22444 (reg_truncated_to_mode): New function.
22445 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22446 (gen_lowpart_or_truncate): New function.
22447 (force_to_mode): Use it instead of gen_lowpart.
22449 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22451 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22452 VAR is a tag, not its type tag.
22454 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22456 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22457 alternatives to match style of other entries.
22458 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22460 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22462 PR tree-optimization/25771
22463 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22466 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22469 * tree-inline.c (declare_return_variable): If the return variable
22470 was marked as a non gimple complex, set the return slot variable
22471 to be a non gimple comple variable.
22473 2006-01-13 Richard Guenther <rguenther@suse.de>
22475 * builtins.c (expand_builtin_sincos): New function.
22476 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22478 (expand_builtin): Expand sincos using expand_builtin_sincos.
22480 2006-01-12 DJ Delorie <dj@redhat.com>
22482 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22483 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22484 so that constant shifts can be split.
22485 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22486 (m32c_valid_pointer_mode): Make static.
22487 (shift_gen_func_for): New.
22488 (m32c_prepare_shift): Use it. Split large const shifts into
22490 * config/m32c/predicates.md (shiftcount_operand): Allow more
22492 (longshiftcount_operand): New.
22493 * doc/md.texi (Machine Constraints): Document In6.
22495 2006-01-13 Ben Elliston <bje@au.ibm.com>
22497 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22498 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22501 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22503 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22504 to try to avoid clobbering pieces of structures when we know
22505 something about the whole structure.
22506 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22508 2006-01-13 Ben Elliston <bje@au.ibm.com>
22510 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22511 return in memory, as this is no limitation is no longer present.
22513 2006-01-12 DJ Delorie <dj@redhat.com>
22515 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22516 mova with fb, and for fb+0 -> An.
22518 * config/m32c/mov.md (peephole2): Fix enabling logic.
22520 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22521 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22522 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22523 FINI_ARRAY_SECTION_ASM_OP): Define.
22525 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22527 (m32c_legitimize_reload_address): New logic to reload FB to An.
22528 (m32c_output_reg_push): Add newline.
22529 (m32c_output_reg_pop): Likewise.
22531 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22533 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22535 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22537 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22539 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22541 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22544 2006-01-11 Ben Elliston <bje@au.ibm.com>
22546 * rtlanal.c (find_reg_note): Assert insn is not null.
22548 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22550 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22553 2006-01-11 Jeff Law <law@redhat.com>
22555 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22557 (mark_threaded_blocks, register_jump_thread): New functions.
22558 (thread_through_all_blocks): Remove unwanted argument. No
22559 longer rely on e->aux to communicate thread target info.
22560 Call mark_threaded_blocks. Release the threaded_blocks
22561 bitmap and threaded_edges vector when complete.
22562 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22563 (threaded_blocks): Remove.
22564 (tree_ssa_dominator_optimize): Remove initialization and
22565 finalization of threaded_blocks. Simplify call to
22566 thread_through_all_blocks.
22567 (thread_across_edge): Call register_jump_thread rather than
22568 storing thread information into e->aux.
22569 (free_all_edge_infos): Simplify now that e->aux is no longer
22570 used to communicate with thread_through_all_blocks.
22571 * tree-flow.h (thread_through_all_blocks): Update prototype.
22572 (register_jump_thread): Prototype.
22574 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22576 * df-core.c (df_compact_blocks, df_bb_replace): Use
22577 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22579 2006-01-11 Richard Guenther <rguenther@suse.de>
22581 PR tree-optimization/25734
22582 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22583 stop propagation after successful propagation to the LHS.
22585 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22587 * basic-block.h (control_flow_graph): Change the type of
22588 x_basic_block_info to VEC(basic_block,gc) *.
22589 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22591 (SET_BASIC_BLOCK): New.
22592 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22593 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22594 * cfgbuild.c (find_basic_blocks): Likewise.
22595 * cfglayout.c (fixup_reorder_chain): Likewise.
22596 * cfgrtl.c (create_basic_block_structure,
22597 rtl_create_basic_block): Likewise.
22598 * ifcvt.c (find_if_case_1): Likewise.
22599 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22602 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22604 * Makefile.in: Removed rotted odf.c entry.
22606 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22609 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22610 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22611 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22612 output pattern modifier, not %e.
22613 * config/cris/cris.c (cris_op_str): Update comment about pattern
22615 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22616 before falling through into...
22617 <case 'E'>: Redefined from old 'e' case.
22619 2006-01-11 Jan Hubicka <jh@suse.cz>
22622 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22624 2006-01-11 Jan Hubicka <jh@suse.cz>
22626 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22627 * i386.c (x86_decompose_lea): Kill.
22628 (ix86_rtx_costs): Kill.
22630 2006-01-11 Jan Hubicka <jh@suse.cz>
22632 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22633 * cgraph.h (cgraph_node): Add inline_decl.
22634 (cgraph_insert_node_to_hashtable): Declare.
22635 (save_inline_function_body): Declare.
22636 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22638 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22639 (cgraph_function_versioning): Update call of tree_function_versioning.
22640 (save_inline_function_body): New function.
22641 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22642 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22643 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22644 (cgraph_default_inline_p): Likewise.
22645 (cgraph_decide_inlining_incrementally): Likewise.
22646 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22647 (copy_bb): Kill saving; do updating of clones.
22648 (copy_cfg_body): Kill saving.
22649 (initialize_inlined-parameters): Likewise.
22650 (expand_call_inline): Likewise.
22652 (tree_function_versioning): New parameter "update_clones".
22653 (inlining_p): Kill saving.
22654 * tree-inline.h (tree_function_versioning): Update prototype.
22655 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22658 2006-01-11 Ian Lance Taylor <ian@airs.com>
22660 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22661 Allow undoing set of machine mode.
22662 (do_SUBST): Use enums instead of is_int.
22663 (do_SUBST_MODE): New function.
22664 (SUBST_MODE): New macro.
22665 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22666 reg and trying to replace reg_regno_rtx with a new register.
22667 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22668 (simplify_set): Use SUBST_MODE.
22669 (distribute_notes): Remove code that tried to update reg notes
22670 for regno_reg_rtx changes.
22672 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22674 PR tree-optimization/23109
22675 PR tree-optimization/23948
22676 PR tree-optimization/24123
22678 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22679 * tree-cfg.c (single_noncomplex_succ): New.
22680 * tree-flow.h (single_noncomplex_succ): Declare it.
22681 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22682 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22683 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22684 insert_bb, register_division_in, insert_reciprocals,
22685 replace_reciprocal, free_bb): New.
22686 (execute_cse_reciprocals_1): Rewritten.
22687 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22688 Do not commit any edge insertion. Always compute dominators and
22689 create the allocation pool.
22690 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22691 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22692 * targhooks.c (default_min_divistions_for_recip_mul): New.
22693 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22694 * passes.c (init_optimization_passes): Run recip after tree loop
22696 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22698 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22699 Kenneth Zadeck <zadeck@naturalbridge.com>
22701 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22702 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22703 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22704 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22705 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22706 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22707 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22708 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22709 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22710 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22711 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22712 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22713 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22714 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22715 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22716 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22717 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22718 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22719 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22720 DF_SCAN_POST_ALLOC): New macros.
22721 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22722 df_free_bb_function, df_local_compute_function, df_init_function,
22723 df_dataflow_function, df_confluence_function_0,
22724 df_confluence_function_n, df_transfer_function,
22725 df_finalizer_function, df_free_function, df_dump_problem_function,
22726 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22727 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22728 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22729 df_urec_bb_info, ) New types.
22730 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22732 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22733 df_analyze_simple_change_some_blocks,
22734 df_analyze_simple_change_one_block, df_compact_blocks,
22735 df_bb_replace, df_bb_regno_last_use_find,
22736 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22737 df_insn_regno_def_p, df_find_def, df_find_use,
22738 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22739 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22740 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22741 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22742 debug_df_chain, df_get_dependent_problem, df_chain_create,
22743 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22744 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22745 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22746 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22747 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22748 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22749 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22750 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22751 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22752 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22753 df_reorganize_refs, df_set_state, df_hard_reg_init,
22754 df_read_modify_subreg_p) New public functions.
22755 * df-core.c: The core dataflow solver and glue routines for rtl
22757 (df_init, df_add_problem, df_set_blocks, df_finish,
22758 df_hybrid_search_forward, df_hybrid_search_backward,
22759 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22760 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22761 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22762 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22763 df_reg_defined, df_find_use, df_reg_used, df_dump,
22764 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22765 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22766 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22767 debug_df_useno, reset_df_after_reload): New functions.
22768 * df-scan.c: The scanning fuctions, once in df.c, completely
22769 rewritten so that they now fully model the functionality of
22770 register usage at the backend.
22771 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22772 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22773 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22774 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22775 df_get_artificial_defs, df_get_artificial_uses,
22776 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22777 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22778 df_refs_delete, df_reorganize_refs, df_set_state,
22779 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22780 df_def_record_1, df_defs_record, df_uses_record,
22781 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22782 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22783 df_record_exit_block_uses, df_hard_reg_init): New functions.
22785 * df-problems.c: Seven concrete dataflow problems that use the
22786 scanning in df-scan.c and are solved by the engine in df-core.c.
22787 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22788 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22789 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22790 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22791 df_ru_free_bb_info, df_ru_alloc,
22792 df_ru_bb_local_compute_process_def,
22793 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22794 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22795 df_ru_transfer_function, df_ru_free, df_ru_dump,
22796 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22797 df_rd_free_bb_info, df_rd_alloc,
22798 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22799 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22800 df_rd_transfer_function, df_rd_free, df_rd_dump,
22801 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22802 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22803 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22804 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22805 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22806 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22807 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22808 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22809 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22810 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22811 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22812 df_urec_mark_reg_use_for_earlyclobber,
22813 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22814 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22815 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22816 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22817 df_chain_create_bb_process_use, df_chain_create_bb,
22818 df_chain_finalize, df_chain_free, df_chains_dump,
22819 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22820 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22821 df_reg_lifetime): New functions.
22822 * df.c: Deleted file.
22823 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22824 consistent with new df api.
22825 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22826 rest_of_handle_sms): Ditto.
22827 * web.c (unionfind_union, union_defs, entry_register, web_main):
22829 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22830 invariant_expr_equal_p, find_defs, check_dependencies,
22831 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22832 free_inv_motion_data, move_loop_invariants): Ditto.
22833 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22834 Update dependencies.
22835 (odf.c): Added defective entry that was deleted later in day.
22836 * sched-deps.c (sched_analyze_1): Ditto.
22838 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22840 * tree-ssa-operands.c (get_expr_operands): Record addressable
22841 variables directly. Do not call add_stmt_operands for CONST_DECLs
22843 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22844 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22846 2006-01-11 Ben Elliston <bje@au.ibm.com>
22848 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22849 function returns true in the positive case.
22851 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22854 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22855 for SI, DI, SF and DF modes. Add alternatives to copy between
22856 general and floating point registers to the 32-bit patterns.
22857 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22858 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22859 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22860 generating 64-bit code.
22861 * config/pa/pa.c (output_move_double): Handle copies between general
22862 and floating registers.
22864 2006-01-10 Stuart Hastings <stuart@apple.com>
22866 * config/i386/i386.md (set_got): Update.
22867 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22868 (builtin_setjmp_receiver): Mach-O support.
22869 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22870 (GOT_SYMBOL_NAME): Define.
22871 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22872 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22873 * config/i386/i386.c (override_options): Revise for Darwin.
22874 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22875 support. (darwin_x86_file_end): New. (output_set_got): Add label
22876 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22877 * config/i386/i386-protos.h (output_set_got): Likewise.
22878 * config/darwin.c (machopic_legitimize_pic_address): Update
22881 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22883 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22884 when MODE isn't BLKmode.
22886 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22888 PR rtl-optimization/25367
22889 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22891 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22894 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22895 for a negative bound.
22897 2006-01-10 Richard Guenther <rguenther@suse.de>
22899 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22900 Never override with anything constraint.
22902 2006-01-10 Jan Beulich <jbeulich@novell.com>
22904 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22905 256 bits when optimize_size.
22907 2006-01-10 Jan Beulich <jbeulich@novell.com>
22909 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22911 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22912 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22915 2006-01-10 Ben Elliston <bje@au.ibm.com>
22917 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22919 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22920 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22921 (USE_FP_FOR_ARG): Reject decimal float modes.
22922 (function_arg_advance): Likewise.
22923 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22924 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22925 point types in AltiVec vectors.
22926 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22927 (rs6000_libcall_value): Likewise.
22929 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22931 * config/xtensa/ieee754-df.S: New file.
22932 * config/xtensa/ieee754-sf.S: New file.
22933 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22934 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22935 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22937 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22939 * config/sh/predicates.md (binary_float_operator,
22940 binary_logical_operator, commutative_float_operator,
22941 equality_comparison_operator, greater_comparison_operator,
22942 less_comparison_operator, logical_operator,
22943 noncommutative_float_operator, shift_operator,
22944 symbol_ref_operand, unary_float_operator): Remove redundant
22947 2006-01-09 Jeff Law <law@redhat.com>
22949 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22950 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22951 now unused arguments. Callers updated.
22952 (eliminate_redundant_computations): Remove now unused arguments,
22954 (local_fold): Remove, no longer used.
22955 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22957 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22958 (simplify_cond): New function.
22959 (forward_propagate_into_cond): Call simplify_cond.
22961 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22963 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22964 (*vec_extractv2di_1_sse): New.
22966 2006-01-09 Ben Elliston <bje@au.ibm.com>
22968 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22970 2006-01-08 Richard Guenther <rguenther@suse.de>
22972 * tree-ssa-structalias.c (get_constraint_for): Remove
22973 anyoffset argument.
22974 (get_constraint_for_component_ref): Likewise.
22975 (do_deref): Likewise.
22976 (get_constraint_for): Likewise.
22977 (do_structure_copy): Likewise.
22978 (handle_ptr_arith): Likewise.
22979 (find_func_aliases): Likewise. Remove unused need_anyoffset
22982 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22983 Kaz Kojima <kkojima@gcc.gnu.org>
22985 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22986 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22987 (EXTRA_CONSTRAINT_C16): Remove.
22988 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22989 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22990 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22991 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22992 constants of SHmedia. Handle nested constant expressions of
22994 (andcosts): Fix the costs for SHmedia constants.
22995 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22996 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22997 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22998 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22999 (movv4hi_i, movv2si_i): Likewise.
23000 (movsi_const): Adjust the second operand of ior so to match with
23001 the Csu constraint.
23002 (movdi_const, movdi_const_32bit): Likewise.
23003 (movdi_const_16bit+1): Don't sign-extend LOW.
23004 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23006 (*double_shori): Fix the split condition. Use GEN_INT instead
23007 of get_int_mode calls. Mask lower 16-bit of the argument of
23009 (sym2GOTPLT): Remove.
23010 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23012 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23013 instead of EXTRA_CONSTRAINT_C16.
23015 2006-01-07 Ian Lance Taylor <ian@airs.com>
23016 David Edelsohn <edelsohn@gnu.org>
23018 PR rtl-optimization/25662
23019 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23020 for constant operands instead of simplify_gen_binary.
23021 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23022 after trying simplify_binary_operation
23024 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23026 * tree.c (iterative_hash_expr): Hash decls based on UID.
23028 2006-01-06 Eric Christopher <echristo@apple.com>
23030 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23031 (TARGET_UNWIND_EMIT): Fix spelling.
23032 * target.h (gcc_target): Add except_table_label.
23033 * except.c (output_function_exception_table): Use.
23034 * varasm.c (default_emit_except_table_label): New.
23035 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23037 (asm_out): Add here.
23038 * output.h (default_emit_except_table_label): Prototype.
23039 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23040 * config/darwin.c (darwin_emit_except_table_label): Define.
23041 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23043 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23045 PR tree-optimization/18527
23046 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23047 number_of_iterations_special, number_of_iterations_exit):
23048 Move base and step of an iv to a single structure. Add
23049 no_overflow flag, and use it in # of iterations analysis.
23050 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23051 folded_casts argument.
23052 (simple_iv): Pass base and step in a structure. Set no_overflow
23054 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23055 Evaluate expensiveness of computing # of iterations instead of
23056 the final expression.
23057 * tree-scalar-evolution.h (affine_iv): New structure.
23058 (simple_iv): Declaration changed.
23059 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23060 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23061 find_givs_in_stmt): Changed due to simple_iv change.
23063 2006-01-06 Jeff Law <law@redhat.com>
23066 * tree-cfg.c (bsi_replace): Rename final argument from
23067 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23068 change (stmt -> orig_stmt).
23069 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23070 (bsi_remove): Add new argument. Remove EH information
23072 (verify_eh_throw_table_statements): New function.
23073 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23075 * tree-optimize.c (execute_free_cfg_annotations): Verify
23076 the EH throw statement table after removing annotations.
23077 * except.h (verify_eh_throw_table_statements): Prototype.
23078 * tree-flow.h (bsi_remove): Update prototype.
23079 * tree-vrp.c (remove_range_assertions): Add new argument to
23081 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23082 * tree-complex.c (expand_complex_div_wide): Likewise.
23083 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23084 * tree-tailcall.c (eliminate_tailcall): Likewise.
23085 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23086 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23087 * tree-nrv.c (tree_nrv): Likewise.
23088 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23089 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23090 (combine_blocks): Likewise.
23091 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23092 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23093 (cleanup_control_flow): Likewise.
23094 (remove_forwarder_block): Likewise.
23095 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23096 * tree-sra.c (sra_replace): Likewise.
23097 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23098 (forward_propagate_single_use_vars): Likewise.
23099 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23100 * tree-inline.c (expand_call_inline): Likewise.
23101 * tree-vect-transform.c (vect_transform_loop): Likewise.
23102 * tree-outof-ssa.c (rewrite_trees): Likewise.
23103 * tree-cfg.c (make_goto_expr_edges): Likewise.
23104 (cleanup_dead_labels): Likewise.
23105 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23106 (bsi_move_before, bsi_move_after): Likewise.
23107 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23108 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23110 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23113 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23115 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23116 on non gimple variables. Also add checks at the top for decls and
23118 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23120 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23121 and IMAGPART_EXPR for creating MUST_DEFs.
23122 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23123 and NAME_MEMORY_TAG separately from the DECLs.
23125 2006-01-06 Richard Guenther <rguenther@suse.de>
23127 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23128 annotation, if necessary.
23129 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23130 redundant calls to update_stmt.
23131 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23134 2006-01-05 Richard Henderson <rth@redhat.com>
23136 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23138 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23140 * c-typeck.c: Update copyright date.
23142 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23144 * c-typeck.c (build_c_cast): Always warn when casting
23145 from a pointer to an integer of different size, even if
23146 the node was constant.
23148 2006-01-05 Richard Guenther <rguenther@suse.de>
23150 PR tree-optimization/22555
23151 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23152 if one structure field is an array.
23153 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23154 operands even if we found a subvar, but ignore VOPs in this
23156 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23158 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23160 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23162 PR middle-end/24998
23163 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23165 2006-01-05 Richard Guenther <rguenther@suse.de>
23166 Diego Novillo <dnovillo@redhat.com>
23168 * tree-pass.h (TODO_remove_unused_locals): Define.
23169 * gimple-low.c (expand_var_p, remove_useless_vars,
23170 pass_remove_useless_vars): Remove. Update all users.
23171 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23172 (remove_unused_locals): New function.
23173 * tree-flow.h (remove_unused_locals): Declare.
23174 * passes.c (execute_todo): Call remove_unused_locals if
23175 TODO_remove_unused_locals is set.
23176 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23177 * tree-ssa-dce.c (pass_dce): Likewise.
23178 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23180 2006-01-05 Richard Guenther <rguenther@suse.de>
23182 * tree-flow.h (struct fieldoff): Decompose field to
23183 type, size and decl.
23184 * tree-ssa-alias.c (create_sft): Take type as parameter.
23185 (create_overlap_variables_for): Store type, size and decl
23186 in the fieldoff structure.
23187 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23188 of struct fieldoff.
23189 (push_fields_onto_fieldstack): Likewise.
23190 (create_variable_info_for): Likewise. Use offset for the
23191 SFT name if the decl is not available.
23193 2006-01-04 Paul Brook <paul@codesourcery.com>
23195 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23197 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23199 * lambda-code.c (can_put_in_inner_loop): Relax
23201 (can_put_after_inner_loop): New function.
23202 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23203 (perfect_nestify): Change to make copies and modify uses.
23205 2006-01-04 Richard Henderson <rth@redhat.com>
23207 Merge from gomp branch:
23208 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23209 via integer constant.
23210 (pragma_lex): Remove.
23211 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23212 rather than parsing it.
23213 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23214 handle_pragma_extern_prefix): Add %< %> quotes.
23215 (registered_pragmas): New.
23216 (c_register_pragma_1): New.
23217 (c_register_pragma): Use it.
23218 (c_register_pragma_with_expansion): Likewise.
23219 (c_invoke_pragma_handler): New.
23220 (init_pragma): Use cpp_register_deferred_pragma directly for
23222 * c-pragma.h (enum pragma_kind): New.
23223 (pragma_handler): New.
23224 (c_invoke_pragma_handler): Declare.
23225 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23227 * c-common.h (c_common_pch_pragma): Update decl.
23228 * Makefile.in (c-parser.o): Update dependencies.
23229 (GTFILES): Add c-pragma.h.
23230 * c-parser.c (struct c_token): Add pragma_kind.
23231 (struct c_parser): Add in_pragma.
23232 (c_lex_one_token): Always initialize keyword and pragma_kind.
23233 Extract data for CPP_PRAGMA.
23234 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23235 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23236 Don't allow CPP_PRAGMA_EOL if in_pragma.
23237 (c_parser_consume_pragma): New.
23238 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23239 (c_parser_skip_to_end_of_parameter): Likewise.
23240 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23241 (c_parser_skip_to_pragma_eol): New.
23242 (c_parser_external_declaration): Handle CPP_PRAGMA.
23243 (c_parser_compound_statement_nostart): Likewise.
23244 (c_parser_statement_after_labels): Likewise.
23245 (c_parser_pragma): New.
23246 (pragma_lex): Likewise.
23247 (c_parser_pragma_pch_preprocess): New.
23248 (c_parser_new): Merge into ...
23249 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23251 2006-01-04 Jeff Law <law@redhat.com>
23254 * tree-cfg.c (bsi_replace): Remove the original statement
23255 from the EH throw statement table.
23257 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23259 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23260 make the prototype extern "C" and add throw ().
23263 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23264 and pos non-negative and pos + len <= 32.
23265 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23266 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23267 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23270 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23271 as well as sizes not multiple of component size.
23274 * function.c (instantiate_expr): New function.
23275 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23276 walk its DECL_VALUE_EXPR with instantiate_expr.
23278 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23279 DW_OP_deref{,_size} if address isn't going to be added.
23281 2006-01-04 Ben Elliston <bje@au.ibm.com>
23283 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23284 * config/fp-bit.c: Likewise.
23286 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23288 * dominance.c: Add comment about why we use DFS numbering
23291 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23292 Richard Henderson <rth@redhat.com>
23294 Merge from gomp-branch:
23295 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23296 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23298 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23300 PR rtl-optimization/25578
23301 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23302 pass a parameter to simplify_shift_const if changing ASHIFTRT
23305 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23307 * builtins.c (get_builtin_sync_mem): New function.
23308 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23309 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23310 Call get_builtin_sync_mem to generate mem rtx.
23312 2006-01-03 Richard Guenther <rguenther@suse.de>
23315 * stmt.c (add_case_node): Make sure to clear overflow flags
23318 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23320 Merge from gomp-branch.
23321 * config/sparc/sync.md: New file.
23322 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23323 UNSPECV_LDSTUB): New constants.
23324 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23325 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23326 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23329 2006-01-03 Roger Sayle <roger@eyesopen.com>
23331 * combine.c (reg_subword_p): New predicate to test whether the
23332 destination of a set refers to a subword/piece of a register.
23333 (try_combine): Generalize the code to merge the setting of a
23334 pseudo to a constant followed by a set of a subword of that
23335 register to a constant.
23337 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23339 * basic-block.h (control_flow_graph): Change the type of
23340 x_label_to_block_map to VEC(basic_block,gc) *.
23341 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23342 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23344 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23345 VEC(basic_block,heap) *.
23346 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23347 ssa_prop_fini): Adjust the uses of cfg_blocks.
23349 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23351 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23353 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23354 hashing trees instead of a pointer hash.
23355 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23356 compare for MEM_EXPR.
23358 PR rtl-optimization/25130
23359 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23360 when comparing MEMs for GCSE
23362 2006-01-03 Ben Elliston <bje@au.ibm.com>
23364 * targhooks.h (default_decimal_float_supported_p): Declare.
23365 * targhooks.c (default_decimal_float_supported_p): Define.
23366 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23367 `default_decimal_float_supported_p'.
23368 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23370 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23372 * combine.c (apply_distributive_law <SUBREG>): Check
23373 TRULY_NOOP_TRUNCATION.
23375 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23377 * dwarf2out.c (have_switched_text_section): Delete.
23378 (have_multiple_function_sections): New.
23379 (have_location_lists): Make 'bool'.
23380 (add_AT_loc_list): Use 'true' not '1'.
23381 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23382 (output_loc_list): Use have_multiple_function_sections.
23383 (output_ranges): Likewise.
23384 (dwarf2out_begin_function): Set have_multiple_function_sections if
23386 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23387 Check function_section rather than DECL_SECTION_NAME.
23388 (dwarf2out_finish): Use have_multiple_function_sections.
23389 Don't clear have_location_lists.
23391 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23392 Jan Hubicka <jh@suse.cz>
23394 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23395 case of conditional jump jumping to the next instruction.
23396 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23397 cases of conditional jump jumping to the next instruction.
23399 2006-01-02 Jan Hubicka <jh@suse.cz>
23401 * i386.c (*_cost): Add COSTS_N_INSNS.
23402 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23404 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23407 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23409 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23411 * config/arm/arm.c (all_fpus): Fix comment typo.
23412 * config/darwin.c: Likewise.
23413 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23414 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23415 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23417 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23419 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23420 (rs6000_split_compare_and_swapqhi): New.
23421 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23422 (sync_compare_and_swapqhi_internal): New.
23423 * config/rs6000/rs6000-protos.h: Declare.