1 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
3 * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
4 tree-ssa-ter.c: Fix comment typos.
6 2006-12-22 Paolo Bonzini <bonzini@gnu.org>
8 PR rtl-optimization/29840
10 * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
11 (fwprop_init): Add DF_HARD_REGS to df_init call.
13 2006-12-21 Andrew Pinski <pinskia@gmail.com>
15 * tree-nested.c (create_tmp_var_for): Check for vector type
16 when setting DECL_GIMPLE_REG_P.
18 2006-12-21 Roger Sayle <roger@eyesopen.com>
20 * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
21 as the else branch of a COND_EXPR.
23 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
25 * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
26 output.h, toplev.c, tree-affine.h, tree-flow.h,
27 tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
28 tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
29 tree-vrp.c, varpool.c: Fix comment typos.
31 * cgraphunit.c, varpool.c: Fix comment typos.
33 2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
35 * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
36 * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
37 for insn setting up the frame pointer. Do not set it for insns
38 setting up scratch registers or storing the backchain.
40 2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
43 * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
44 are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
45 * configure: Regenerate.
47 2006-12-21 Joseph Myers <joseph@codesourcery.com>
49 * rtlanal.c (subreg_get_info): Do not make register size
50 computations for mode sizes not divisible by the number of
53 2006-12-21 Daniel Berlin <dberlin@dberlin.org>
55 * tree-ssa-structalias.c (build_constraint_graph): Insert complex
56 offsetted constraints into rhsvar, not lhsvar.
58 2006-12-21 Jakub Jelinek <jakub@redhat.com>
62 * tree-nested.c (walk_asm_expr): New function.
63 (walk_stmts): Use it for ASM_EXPR.
66 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
69 2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
73 * reload1.c (reload): Realign stack after it changes size.
75 2006-12-20 Roger Sayle <roger@eyesopen.com>
77 * simplify-rtx.c (simplify_subreg): Use the correct mode when
78 determining whether a SUBREG of a CONCAT refers to the first or
81 2006-12-21 Ben Elliston <bje@au.ibm.com>
83 * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
86 2006-12-20 Jan Hubicka <jh@suse.cz>
88 * tree-dfa.c (add_referenced_var): Walk initializers of
89 non-constant/readonly static vars.
91 2006-12-20 Jan Hubicka <jh@suse.cz>
93 * tree-flow-inline.h (gimple_var_anns): New function.
94 (var_ann): Use hashtable for static functions.
95 * tree-dfa.c (create_var_ann): Likewise.
96 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
97 (init_tree_ssa): Initialize var anns.
98 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
99 * tree-flow.h (struct static_var_ann_d): New structure.
100 (gimple_df): Add var_anns.
102 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
105 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
106 begin with the configured prefix.
108 2006-12-20 Jan Hubicka <jh@suse.cz>
111 * i386.c (expand_setmem_epilogue): Fix formating.
112 (dsmalest_pow2_greater_than): New function.
113 (ix86_expand_movmem): Improve comments; avoid re-computing of
115 (promote_duplicated_reg_to_size): Break out from ...
116 (expand_setmem): ... this one; reorganize promotion code;
117 improve comments; avoid recomputation of epilogue size.
119 2006-12-20 Andrew Pinski <pinskia@gmail.com>
122 * omp-low.c (init_tmp_var): New function.
123 (save_tmp_var): New function.
124 (lower_omp_1): Use them for VAR_DECL.
126 2006-12-20 Andrew Pinski <pinskia@gmail.com>
128 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
129 CONSTRUCTORs as min invariants.
131 2006-12-20 Joseph Myers <joseph@codesourcery.com>
133 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
135 (subreg_regno_offset, subreg_offset_representable_p): Change to
136 wrappers about subreg_get_info.
137 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
138 * rtl.h (subreg_nregs): Declare.
139 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
141 * caller-save.c (mark_set_regs, add_stored_regs): Use
143 * df-scan.c (df_ref_record): Use subreg_nregs.
144 * flow.c (mark_set_1): Use subreg_nregs.
145 * postreload.c (move2add_note_store): Use subreg_nregs.
146 * reload.c (decompose, refers_to_regno_for_reload_p,
147 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
148 * resource.c (update_live_status, mark_referenced_resources,
149 mark_set_resources): Use subreg_nregs.
151 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
153 * loop-unswitch.c (unswitch_loop): Update arguments of
154 duplicate_loop_to_header_edge call.
155 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
156 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
157 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
159 * cfgloopmanip.c (loop_version): Ditto.
160 (duplicate_loop_to_header_edge): Change
161 type of to_remove to VEC(edge), remove n_to_remove argument.
162 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
163 Change type of to_remove to VEC(edge), remove n_to_remove argument.
164 (tree_unroll_loop): Update arguments of
165 tree_duplicate_loop_to_header_edge call.
166 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
167 Change type of to_remove to VEC(edge), remove n_to_remove argument.
168 * cfghooks.h (struct cfg_hooks): Type of
169 cfg_hook_duplicate_loop_to_header_edge changed.
170 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
171 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
172 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
174 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
176 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
177 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
178 (vec_widen_smult_lo_v8hi): New.
179 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
180 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
181 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
183 2006-12-20 Jan Hubicka <jh@suse.cz>
185 * cgraph.c: Update overall comment; fix vertical spacing.
186 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
188 2006-12-20 Jan Hubicka <jh@suse.cz>
190 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
192 (varpool_first_static_initializer, varpol_next_static_initializer): New
194 * ipa-reference.c (analyze_variable): Simplify.
195 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
196 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
198 2006-12-19 Andrew Pinski <pinskia@gmail.com>
201 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
204 2006-12-20 Ben Elliston <bje@au.ibm.com>
206 * doc/invoke.texi (Optimize Options): Typo fix.
208 2006-12-19 Eric Christopher <echristo@apple.com>
210 * config/darwin.c (machopic_select_section): Rewrite.
211 (darwin_text_section): New.
212 (darwin_rodata_section): Ditto.
213 (darwin_mergeable_string_section): Ditto.
214 (darwin_mergeable_constant_section): Ditto.
215 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
217 2006-12-19 Steve Ellcey <sje@cup.hp.com>
219 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
221 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
224 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
225 (STAGE1_CHECKING_CFLAGS): ... this.
227 2006-12-18 Andrew Pinski <pinskia@gmail.com>
230 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
231 READONLY on __builtin_altivec_mask_for_load instead of adding
234 2006-12-18 Roger Sayle <roger@eyesopen.com>
235 Eric Christopher <echristo@apple.com>
238 * real.c (real_maxval): Correctly handle IBM extended double format.
240 2006-12-19 Jan Hubicka <jh@suse.cz>
242 * expmed.c (expand_mult_const): Force operand to constant.
243 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
244 copy_rtx to arguments.
246 2006-12-19 Ben Elliston <bje@au.ibm.com>
248 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
250 2006-12-19 Ben Elliston <bje@au.ibm.com>
252 * cse.c (cse_insn): Fix formatting.
254 2006-12-18 Geoffrey Keating <geoffk@apple.com>
256 * doc/invoke.texi (Debugging Options): Document -g0.
257 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
258 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
260 2006-12-18 Ian Lance Taylor <iant@google.com>
262 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
263 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
266 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
268 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
269 (struct vuse_optype_d): Delete.
270 (SSA_OPERAND_MEMORY_SIZE): Delete.
271 (struct ssa_operand_memory_d): Change mem array to size one.
272 (NUM_VOP_FREE_BUCKETS): Define.
273 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
274 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
275 * tree-pretty-print.c (dump_vops): Use voptype_d type.
276 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
277 which fit into a chunk of memory from a specific bucket.
278 (vop_free_bucket_index): New. Find correct size memory bucket.
279 (init_vop_buckets): New. Initialize VOP free memory buckets.
280 (add_vop_to_freelist): New. Add a VOP to the correct free list.
281 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
282 (init_ssa_operands): Initialize operand memory and free lists.
283 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
284 (ssa_operand_alloc): Use graduated size memory allocation.
285 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
286 INITIALIZE_USE): Remove.
287 (alloc_vop): New. Allocate a virtual operand.
288 (alloc_vdef, alloc_vuse): Delete.
289 (add_def_op, add_use_op): Directly setup pointers.
290 (add_vop): New. Add a virtual operand.
291 (add_vuse_op, add_vdef_op): Call add_vop.
292 (realloc_vop): New. Reallocate a virtual operand.
293 (realloc_vdef, realloc_vuse): Call realloc_vop.
294 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
295 (finalize_ssa_defs): Optimize for common case, remove code based on
296 sorted pointers which was a waste of time.
297 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
298 (finalize_ssa_uses): Update last pointer.
299 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
300 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
301 directly manipulate pointers.
302 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
304 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
306 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
307 determine if memory operand is an indexed address or not.
309 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
311 * cselib.c (struct cselib_val_struct): Make val_rtx its
312 own field, remove the union that contained it.
313 * cselib.c: Update accordingly where necessary.
315 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
317 * cse.c (have_eh_succ_edges): New function.
318 (cse_insn): Don't remove dead EH edges here
319 (cse_extended_basic_block): Do it here.
320 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
321 that we have removed all dead edges.
323 2006-12-17 Matthias Klose <doko@debian.org>
326 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
328 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
330 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
331 (cse_extended_basic_block): When truncating a path while processing
332 it, make sure to clear the visited bit on the basic blocks in the
333 truncated part of the path.
334 (cse_main): Use reverse completion order, not DFS order, to walk
336 (gate_handle_cse): Revert erroneous commit of a counter.
338 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
340 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
341 variables, moved out from cse_insn.
342 (prev_insn): Remove this global variable).
343 (new_basic_block): Don't set it.
344 (cse_insn): Idem. Also, move code to delete unused CC0-setter
345 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
347 (cse_extended_basic_block): ...to here. Do not clear
348 prev_insn_cc0 until after recording equivalences from jumps.
350 2006-12-16 Jan Hubicka <jh@suse.cz>
352 * cgraphunit.c (ipa_passes): Clear current_function_decl.
354 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
356 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
358 2006-12-16 Jan Hubicka <jh@suse.cz>
360 * omp-low.c (expand_omp_parallel): Set function properties.
361 * function.h (struct function): Add curr_properties and last_verified.
362 * passes.c (register_dump_files): Do not set TODO_set_props for the
364 (init_optimization_passes): Set it here; reorder initialization so the
365 dump files appear in more logical order.
366 (last_verified, curr_properties): Kill.
367 (do_per_function): New function.
368 (execute_function_todo): Break out from ...
369 (execute_todo): ... here; handle per-function flags.
370 (clear_last_verified, verify_curr_properties,
371 update_properties_after_pass): New functions.
372 (execute_one_pass): Handle per-function properties.
373 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
374 and current_function_decls are cleared out.
375 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
378 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
381 * c.opt (Wempty-body): New.
382 * doc/invoke.texi (Wempty-body): Document it.
383 (Wextra): Enabled by -Wextra.
384 * c-opts.c (c_common_post_options): Enabled by -Wextra.
385 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
386 * c-parser.c (c_parser_c99_block_statement): Likewise.
388 2006-12-15 Jakub Jelinek <jakub@redhat.com>
391 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
394 2006-12-15 Andrew Pinski <pinski@gmail.com>
397 * tree-inline.c (setup_one_parameter): Gimplify the statement if
398 the variable is not a gimple register variable.
400 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
402 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
404 2006-12-14 Jan Hubicka <jh@suse.cz>
406 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
409 2006-12-14 Richard Guenther <rguenther@suse.de>
411 PR tree-optimization/30197
412 * builtins.c (fold_builtin_cexp): New function to fold cexp
413 to cexpi and exp parts.
414 * tree-ssa-pre.c (try_combine_conversion): Also handle
415 REALPART_EXPR and IMAGPART_EXPR.
417 2006-12-14 Richard Guenther <rguenther@suse.de>
420 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
421 + __complex__ ( 0, y ) to __complex__ ( x, y ).
422 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
424 2006-12-14 Richard Guenther <rguenther@suse.de>
426 PR tree-optimization/30198
427 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
428 Fold IMAGPART_EXPR of cexpi to sin.
430 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
431 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
433 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
434 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
436 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
437 (spu_builtin_mask_for_load): New.
438 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
439 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
440 (vec_realign_load_<mode>, spu_lvsr): New.
442 2006-12-13 Ian Lance Taylor <iant@google.com>
446 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
447 to warn_about_parentheses in c-common.c.
448 * c-common.c (warn_about_parentheses): New function.
449 * c-common.h (warn_about_parentheses): Declare.
450 * doc/invoke.texi (Warning Options): Update -Wparentheses
453 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
455 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
457 (constant_multiple_of): Fix order of operators for division.
458 (aff_combination_const, aff_combination_elt, aff_combination_scale,
459 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
460 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
461 aff_combination_to_tree): Moved to tree-affine.c and made to work with
462 double_int coefficients.
463 (get_computation_aff, get_computation_at): Work with double_int
465 (get_computation_cost_at): Do not use divide.
466 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
467 Assert that expressing the computation did not fail.
468 * tree-ssa-address.c: Include tree-affine.h.
469 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
470 create_mem_ref): Work with double_int coefficients.
471 * tree-affine.c: New file.
472 * tree-affine.h: New file.
473 * tree-flow.h (struct affine_tree_combination): Removed.
474 * Makefile.in (tree-affine.o): Add.
475 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
478 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
482 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
483 the offset == 0 "then" clauses.
484 * config/rs6000/predicates.md (gpc_reg_operand): Check for
487 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
489 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
490 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
491 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
492 (FRAME_POINTER_REGNUM): Update register number to 20.
493 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
494 (HI_REGISTER_NAMES): Remove "dirflag".
496 * config/i386/i386.c (regclass_map): Remove dirflag entry.
497 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
499 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
501 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
502 (sse_prologue_save, *sse_prologue_save_insn): Renumber
503 hardcoded SSE register numbers.
505 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
506 hardcoded MMX register numbers.
509 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
511 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
512 FLDMX. Rename function to...
513 (vfp_output_fldmd): ...this.
514 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
516 (vfp_output_fstmd): ...this.
517 (vfp_emit_fstmx): Don't leave space in the frame layout for the
518 FSTMX format word. Rename function to...
519 (vfp_emit_fstmd): ...this.
520 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
522 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
523 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
524 word. Also emit "vsave" assembler directives in such cases rather
526 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
527 gnu_Unwind_Save_VFP): Adjust comments.
528 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
529 for saving and restoring using FSTMD and FLDMD rather than
531 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
532 New functions for saving and restoring the VFPv3 registers 16 .. 31.
533 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
534 compilation case to correctly handle unwind opcode 0xc8 when using
536 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
537 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
538 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
539 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
541 (restore_non_core_regs): Restore registers using FLDMD rather than
542 FLDMX if required. Also handle restoration of VFPv3 registers.
543 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
544 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
545 including cases where the caller specifies a range of registers
546 that overlaps the d15/d16 boundary.
548 2006-12-13 Diego Novillo <dnovillo@redhat.com>
551 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
552 accomodate 511 operands.
554 2006-12-13 Richard Guenther <rguenther@suse.de>
556 * builtins.c (expand_builtin_cexpi): Fix typo.
558 2006-12-13 Jan Hubicka <jh@suse.cz>
560 * Makefile.in: Add dependencies.
561 * tree-pretty-print.c: Include value-prof.h
562 (dump_generic_bb_buff): Dump histograms
563 * value-prof.c: Include pointer-set.h
564 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
565 set_histogram_value, gimple_histogram_value,
566 gimple_add_histogram_value, gimple_remove_histogram_value,
567 gimple_histogram_value_of_type, dump_histogram_value,
568 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
569 gimple_duplicate_stmt_histograms, visit_hist,
570 verify_histograms): New functions.
571 (tree_value_profile_transformations): Update for new histogram API.
572 (tree_divmod_fixed_value): Update for new histogram API.
573 (tree_divmod_fixed_value_transform): Update for new histogram API.
574 (tree_mod_pow2): Update for new histogram API.
575 (tree_mod_pow2_value_transform): Update for new histogram API.
576 (tree_mod_subtract): Update for new histogram API.
577 (tree_mod_subtract_transform): Update for new histogram API.
578 (tree_stringops_transform): Update for new histogram API.
579 (tree_divmod_values_to_profile): Update for new histogram API.
580 (tree_stringops_values_to_profile): Update for new histogram API.
581 (tree_find_values_to_profile): Update for new histogram API.
582 * value-prof.h (gimple_histogram_value): Declare.
583 (gimple_histogram_value_of_type): Declare.
584 (gimple_add_histogram_value): Declare.
585 (gimple_remove_histogram_value): Declare.
586 (dump_histograms_for_stmt): Declare.
587 (gimple_remove_histogram_value): Declare.
588 (gimple_remove_stmt_histograms): Declare.
589 (gimple_duplicate_stmt_histograms): Declare.
590 (verify_histograms): Declare.
592 (struct funrction): Add value_histograms hash.
593 (VALUE_HISTOGRAMS): New macro.
594 * profile.c (compute_value_histograms): update for new API.
595 * tree-inline.c: Include value-prof.h
596 (copy_bb): Update histograms.
597 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
598 reorder to get smaller memory layout.
599 * tree-cfg.c: Include value-prof.h
600 (bsi_remove): Update histograms.
601 (bsi_replace): Update histograms.
602 (verify_stmts): Call histogram verifier.
603 (tree_duplicate_bb): Update histograms.
604 (move_block_to_fn): Update histograms.
606 2006-12-13 Richard Guenther <rguenther@suse.de>
608 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
610 (cgraph_decide_inlining): Likewise.
612 2006-12-13 Richard Guenther <rguenther@suse.de>
614 PR tree-optimization/17687
615 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
616 New builtins for imaginary argument cexp.
617 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
618 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
619 New required builtin types.
620 * builtins.c (expand_builtin_cexpi): Declare.
621 (mathfn_built_in): Handle BUILT_IN_CEXPI.
622 (expand_builtin_cexpi): New static helper.
623 (expand_builtin): Call it.
624 (do_mpfr_sincos): Adjust for CEXPI evaluation.
625 (fold_builtin_sincos): New function to fold sincos to cepxi.
627 2006-12-13 Richard Guenther <rguenther@suse.de>
629 * ipa-reference.c (scan_for_static_refs): Also scan
630 tcc_comparison class trees.
632 2006-12-12 David Daney <ddaney@avtrex.com>
634 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
637 2006-12-12 Andrew Pinski <pinskia@gmail.com>
639 * tree-vect-transform.c (vect_permute_load_chain):
640 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
643 2006-12-13 Sa Liu <saliu@de.ibm.com>
644 Ben Elliston <bje@au.ibm.com>
646 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
647 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
648 * config/spu/spu-protos.h (spu_c_common_override_options):
650 * config/spu/spu-c.c (spu_c_common_override_options): New.
651 * config/spu/spu.c (spu_override_options): Whitespace fix.
653 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
655 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
657 2006-12-12 Geoffrey Keating <geoffk@apple.com>
659 * mips-tdump.c: Replace CROSS_COMPILE with
660 CROSS_DIRECTORY_STRUCTURE.
661 * mips-tfile.c: Likewise.
663 * configure.ac: Likewise.
664 * cppdefault.c: Likewise.
665 * Makefile.in: Likewise.
666 * config/alpha/osf.h: Likewise.
667 * config/i386/cygwin.h: Likewise.
668 * config/i386/beos-elf.h: Likewise.
669 * config/i386/nto.h: Likewise.
670 * config/fr30/fr30.h: Likewise.
671 * config/svr4.h: Likewise.
672 * config/rs6000/aix.h: Likewise.
673 * config/rs6000/sysv4.h: Likewise.
674 * config/pa/pa64-hpux.h: Likewise.
675 * config/pa/pa-hpux10.h: Likewise.
676 * config/pa/pa-hpux11.h: Likewise.
677 * collect2.c: Likewise.
678 * configure: Regenerate.
680 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
681 actually takes an unsigned HOST_WIDE_INT for its second parameter.
683 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
685 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
686 (spu_encode_section_info): New.
687 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
688 (SYMBOL_FLAG_ALIGN1): New.
690 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
693 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
694 bitmap for EXECUTE_IF_SET_IN_BITMAP.
696 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
699 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
700 (DECL_GIMPLE_REG_P): This.
701 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
703 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
704 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
705 and check for VECTOR_TYPE.
706 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
708 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
710 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
711 and check for VECTOR_TYPE.
712 (gimplify_bind_expr): Likewise.
713 (gimplify_function_tree): Likewise.
714 * expmed.c: Include target.h.
715 (extract_bit_field): For vector mode, try find a better mode first.
716 If that fails use gen_lowpart (for vectors only).
717 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
718 and check for VECTOR_TYPE.
719 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
720 (insert_into_preds_of_block): Likewise.
721 (insert_fake_stores): Create gimple register store_tmps for
723 * tree-sra.c (sra_elt): New field, is_vector_lhs.
724 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
725 are the left hand side, set the element's is_vector_lhs to true.
726 (instantiate_element): For vector types which were on the left
727 hand size, set DECL_GIMPLE_REG_P to false.
728 * tree-nested.c (create_tmp_var_for): Use the renamed
730 * tree-inline.c (declare_return_variable): Use the renamed
731 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
732 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
733 (copy_result_decl_to_var): Likewise.
734 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
735 create a gimple register variable.
736 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
737 vect_inter_* temp variables.
738 * Makefile.in (expmed.o): Update dependencies.
740 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
742 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
743 the offset == 0 "then" clauses.
744 * config/rs6000/predicates.md (gpc_reg_operand): Check for
747 2006-12-12 Marcin Dalecki <martin@dalecki.de>
749 * doc/passes.texi: remove docs about "redundant PHI removal".
750 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
751 remove redundant pass_partition_blocks declaration.
753 2006-12-12 Andrew Macleod <amacleod@redhat.com>
755 PR tree-optimization/30159
756 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
757 functions in case a default_def coalesce is required.
759 2006-12-12 Jakub Jelinek <jakub@redhat.com>
762 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
764 * config/ia64/linux.h (CPP_SPEC): Define.
765 * config/s390/linux.h (CPP_SPEC): Define.
767 2006-12-12 Jim Wilson <wilson@specifix.com>
768 Jakub Jelinek <jakub@redhat.com>
770 PR rtl-optimization/27761
771 * combine.c (try_combine): Don't create a useless garbage SET
772 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
773 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
774 and use it to prevent accidental modification of i1src.
776 2006-12-12 Ira Rosen <irar@il.ibm.com>
778 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
779 for stores with gaps.
780 * tree-vect-transform.c (vect_permute_store_chain): Create
781 interleave_high or interleave_low according to the endianess.
783 2006-12-12 Richard Guenther <rguenther@suse.de>
786 * fold-const.c (fold_read_from_constant_string): Only fold read
787 from constant string if the result type is integer.
789 2006-12-12 Olivier Hainque <hainque@adacore.com>
791 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
793 2006-12-12 Olivier Hainque <hainque@adacore.com>
795 * config/vxlib.c: Extract tls related routines into ...
796 * config/vxlib-tls.c: New file.
797 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
799 2006-12-12 Sa Liu <saliu@de.ibm.com>
800 Ben Elliston <bje@au.ibm.com>
802 * config/spu/spu.opt (mfixed-range): New option.
803 * config/spu/spu.h (spu_fixed_range_string): Declare.
804 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
805 (fix_range): New function.
806 * doc/invoke.texi (SPU Options): Document -mfixed-range.
807 * testsuite/gcc.target/spu/fixed-range.c: New.
808 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
810 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
814 * cgraphunit.c (cgraph_optimize): Remove call to
815 process_pending_assemble_externals.
817 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
819 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
821 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
822 (ia64_hpux_add_extern_decl): Removed.
823 (ia64_hpux_file_end): Likewise.
824 (extern_func_list): Likewise.
825 (extern_func_head): Likewise.
827 * output.h (assemble_external): Update comments.
828 (default_elf_asm_output_external): New.
829 (maybe_assemble_visibility): New.
831 * toplev.c (compile_file): Update comment.
833 * varasm.c (assemble_external): Always put it on
834 pending_assemble_externals.
835 (maybe_assemble_visibility): Make it extern and return int.
836 (default_elf_asm_output_external): New.
838 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
840 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
841 can't handle the pointer arithmetic.
843 2006-12-11 Diego Novillo <dnovillo@redhat.com>
845 * doc/tree-ssa.texi: Update documentation for virtual operands
846 and the use of push_stmt_changes/pop_stmt_changes.
847 * doc/invoke.texi: Remove documentation for params
848 global-var-threshold.
849 Update documentation on max-aliased-vops.
851 * tree-into-ssa.c: Cleanup comments, variables and
852 spacing in various functions.
853 (regs_to_rename): Declare.
854 (mem_syms_to_rename): Declare.
855 (dump_update_ssa): Declare.
856 (debug_update_ssa): Declare.
857 (dump_names_replaced_by): Declare.
858 (debug_names_replaced_by): Declare.
859 (dump_def_blocks): Declare.
860 (debug_def_blocks): Declare.
861 (dump_defs_stack): Declare.
862 (debug_defs_stack): Declare.
863 (dump_currdefs): Declare.
864 (debug_currdefs): Declare.
865 (mark_def_sites): Do not handle virtual operands.
866 (compute_idf): Rename from find_idf. Update users.
867 (register_new_def): Make local. Convert second argument
869 Use BLOCK_DEFS_STACK directly.
870 If pushing a non-register, also push the underlying
872 (rewrite_stmt): Do not handle virtual operands.
873 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
874 dump_currdefs and dump_tree_ssa_stats.
875 (dump_tree_ssa_stats): Also dump REPL_TBL.
876 (replace_use): Remove. Update all users to call SET_USE
878 (rewrite_blocks): Move code to free memory to
880 (mark_def_site_blocks): Move initialization code to
882 (init_ssa_renamer): New.
883 (fini_ssa_renamer): New.
884 (rewrite_into_ssa): Call them.
885 (prepare_block_for_update): Process SSA_OP_ALL_USES first
886 and SSA_OP_ALL_DEFS later. Do not process virtual
888 (dump_update_ssa): Call dump_decl_set.
889 (init_update_ssa): Initialize regs_to_rename and
891 Call init_ssa_renamer.
892 (delete_update_ssa): Call fini_ssa_renamer.
893 Free blocks_with_phis_to_rewrite.
894 (mark_sym_for_renaming): If the variable has
895 sub-variables, also mark them.
896 If the variable belongs to a partition, also mark it.
897 (mark_set_for_renaming): Call mark_sym_for_renaming on
898 every symbol in the set.
899 (switch_virtuals_to_full_rewrite): Call
900 mark_set_for_renaming.
901 (update_ssa): Separate syms_to_rename into regs_to_rename
902 and mem_syms_to_rename.
904 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
905 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
906 (debug_generic_stmt): Likewise.
907 (debug_tree_chain): Likewise.
909 (dump_generic_node): Check for TDF_MEMSYMS.
910 Handle MEMORY_PARTITION_TAG.
911 If the statement references memory and TDF_MEMSYMS is
912 given, call dump_symbols.
913 Indicate default names with (D).
914 (dump_vops): Update for new virtual operator format.
916 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
917 tree_contains_struct.
918 (tree_code_size): Handle MEMORY_PARTITION_TAG.
919 (tree_node_structure): Likewise.
920 (needs_to_live_in_memory): Handle SSA names.
921 * tree.h (MTAG_P): Likewise.
922 (struct tree_memory_partition_tag): Declare.
923 (MPT_SYMBOLS): Define.
924 (union tree_node): Add field 'mpt'.
925 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
926 * tree.def (MEMORY_PARTITION_TAG): Define.
928 * tree-pass.h (TDF_MEMSYMS): Define.
930 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
932 * tree-ssa-alias.c: Include pointer-set.h
933 (struct alias_map_d): Remove fields total_alias_vops,
934 grouped_p and may_aliases. Update all users.
935 (struct mp_info_def): Declare.
936 (mp_info_t): New type.
937 (get_smt_for): Rename from get_tmt_for. Update all
939 (add_may_alias): Add argument ALREADY_ADDED. If given,
940 use it to avoid adding duplicate entries to alias sets.
941 (replace_may_alias): Remove. Update all users.
942 (total_alias_vops_cmp): Remove. Update all users.
943 (group_aliases_into): Remove. Update all users.
944 (tree_pointer_compare): Remove. Update all users.
945 (compact_name_tags): Remove. Update all users.
946 (group_aliases): Remove. Update all users.
947 (mark_non_addressable): Move from tree-flow-inline.h.
948 Remove the symbol from the partition holding it, if
951 (debug_mp_info): New.
953 (create_partition_for): New.
954 (rewrite_alias_set_for): New.
955 (compute_memory_partitions): New.
956 (compute_may_aliases): Call it.
957 (init_alias_info): If computing aliases for the first
958 time, mark every memory symbol for renaming.
959 (have_common_aliases_p): New.
960 (compute_flow_insensitive_aliasing): Call it.
961 (setup_pointers_and_addressables): Do not cache
963 For register promoted symbols, mark their former
964 partition for renaming.
965 (maybe_create_global_var): Only create .GLOBAL_VAR if
966 there are no call-clobbered variables and a mix of pure
967 and non-pure functions were found.
968 (may_alias_p): Tidy comments.
969 (create_tag_raw): Remove unused variable new_type.
970 (dump_alias_info): call dump_memory_partitions.
971 (dump_points_to_info_for): Call dump_decl_set.
972 (may_be_aliased): Tidy comments and formatting.
974 * timevar.def (TV_MEMORY_PARTITIONING): Define.
975 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
976 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
978 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
979 * tree-vect-transform.c (vect_transform_loop): Call
980 mark_set_for_renaming with vect_memsyms_to_rename.
981 * tree-flow-inline.h (zero_imm_uses_p): New.
982 (memory_partition): New.
983 (set_memory_partition): New.
984 (factoring_name_p): New.
985 (symbol_mem_tag): New. Update every function that used
986 to access the annotation directly.
987 (set_symbol_mem_tag): Likewise.
989 * tree-ssa-copy.c (may_propagate_copy): Allow copies
990 between a partition and a symbol as long as the symbol
991 belongs to the partition.
992 (merge_alias_info): Ignore merge requests when memory
993 partitions are involved.
995 * tree-ssa.c (verify_ssa_name): Check that default
996 definitions have empty defining statements.
997 (verify_use): Remove argument IS_VIRTUAL.
998 Don't call verify_ssa_name.
999 (verify_phi_args): Call verify_ssa_name.
1000 (verify_flow_insensitive_alias_info): Handle MPTs.
1001 (verify_flow_sensitive_alias_info): Likewise.
1002 (verify_name_tags): Likewise.
1003 (verify_call_clobbering): Likewise.
1004 (verify_ssa): Check for VOPs only after aliasing
1005 information is available.
1006 Check virtuals and real operands separately.
1007 Call verify_ssa_name on every operand.
1008 (stmt_references_memory_p): Move to tree-ssa-operands.c.
1009 (walk_use_def_chains_1): Guard against NULL PHI
1012 * tree-ssa-operands.c (stmt_references_memory_p): Move from
1015 (dump_memory_partitions): New.
1016 (debug_memory_partitions): New.
1018 * tree-flow.h (struct var_ann_d): Add field mpt.
1019 (struct stmt_ann_d): Add bitfield references_memory.
1020 * Makefile.in (tree-ssa-structalias.o): Include
1022 (tree-ssa-alias.o): Likewise.
1023 * tree-ssa-structalias.c: (update_alias_info): Use
1024 STORED_SYMS to determine which variables are being
1025 written to by the store operation.
1026 * tree-ssa-structalias.h (struct alias_info)
1027 <total_alias_vops>: Remove. Update all users.
1028 <written_vars>: Change to a pointer set. Update all
1030 <dereferenced_ptrs_store>: Likewise.
1031 <dereferenced_ptrs_load>: Likewise.
1032 (NUM_REFERENCES): Remove. Update all users.
1033 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1034 (NUM_REFERENCES_INC): Remove. Update all users.
1035 (NUM_REFERENCES_SET): Remove. Update all users.
1037 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1039 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1040 * tree-ssanames.c (make_ssa_name): Initialize
1041 SSA_NAME_IS_DEFAULT_DEF to 0.
1043 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1045 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1046 (dse_global_data): Add aggregate_vardecl field.
1047 (dse_possible_dead_store_p): New.
1048 Add prev_defvar variable.
1049 Allow immediate uses and previous immediate uses to differ
1050 if they are setting different parts of the whole.
1051 (get_aggregate_vardecl): New.
1052 (dse_record_partial_aggregate_store): New.
1053 (dse_whole_aggregate_clobbered_p): New.
1054 (dse_partial_kill_p): New.
1055 (dse_optimize_stmt): Abstract code checking a possible dead store
1056 into new function dse_possible_dead_store_p().
1057 Call dse_maybe_record_aggregate_store().
1058 When checking whether a STMT and its USE_STMT refer to the
1059 same memory address, check also for partial kills that clobber
1061 Move some variable definitions to the block where they are used.
1062 (aggregate_vardecl_hash): New.
1063 (aggregate_vardecl_eq): New.
1064 (aggregate_vardecl_free): New.
1065 (aggregate_whole_store_p): New.
1066 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1067 Mark which aggregate stores we care about.
1069 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1071 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1072 (vuse_element_t): Declare.
1073 (struct vuse_vec_d): Declare.
1074 (vuse_vec_p): Declare.
1075 (VUSE_VECT_NUM_ELEM): Define.
1076 (VUSE_VECT_ELEMENT_NC): Define.
1077 (VUSE_ELEMENT_PTR_NC): Define.
1078 (VUSE_ELEMENT_VAR_NC): Define.
1079 (VUSE_VECT_ELEMENT): Define.
1080 (VUSE_ELEMENT_PTR): Define.
1081 (VUSE_ELEMENT_VAR): Define.
1082 (struct maydef_optype_d) <use_var>: Remove.
1085 (struct vuse_optype_d) <kill_var>: Remove.
1088 (struct mustdef_optype_d) <kill_var>: Remove.
1091 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1092 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1094 (VUSE_VECT): Define.
1095 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1096 (MAYDEF_OP): Add argument. Use VUSE_OP.
1097 (MAYDEF_NUM): Define.
1098 (MAYDEF_VECT): Define.
1099 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1100 (MUSTDEF_KILL): Use VUSE_OP.
1101 (MUSTDEF_NUM): Define.
1102 (MUSTDEF_VECT): Define.
1103 (realloc_maydef): Declare.
1104 (realloc_vuse): Declare.
1105 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1106 <mayuse_index>: Add.
1107 (LOADED_SYMS): Define.
1108 (STORED_SYMS): Define.
1109 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1110 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1112 * tree-pretty-print.c: Likewise.
1113 * tree-ssa-dse.c: Likewise.
1114 * tree-flow-inline.h: Likewise.
1115 (op_iter_next_mustdef): New.
1116 * tree-ssa-operands.c: Likewise.
1117 (ALLOC_OPTYPE): Remove.
1121 (alloc_maydef): New.
1123 (alloc_mustdef): New.
1124 (realloc_maydef): New.
1125 (realloc_vuse): New.
1127 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1129 * tree-ssa-operands.c: Remove build_v_must_defs.
1130 (init_ssa_operands): Delete build_v_must_defs.
1131 (finalize_ssa_v_must_def_ops): Remove.
1132 (finalize_ssa_v_must_defs): Remove.
1133 (finalize_ssa_stmt_operands): Do not call
1134 finalize_ssa_v_must_defs.
1135 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1136 (append_v_must_def): Delete.
1137 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1138 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1139 comment. Remove opf_kill_def.
1140 (build_ssa_operands): Remove references to v_must_defs.
1141 (copy_virtual_operands): Same.
1142 (copy_virtual_operands): Same.
1143 (fini_ssa_operands): Same.
1144 (free_ssa_operands): Same.
1145 (add_mustdef_op): Remove.
1146 Remove mustdef_optype_p.
1147 (alloc_mustdef): Remove.
1148 Remove references to V_MUST_DEFs in comment at top of file.
1149 (get_expr_operands): Remove opf_kill_def.
1150 (opf_kill_def): Remove.
1151 (add_virtual_operand): Remove opf_kill_def.
1152 (get_indirect_ref_operands): Same.
1153 (get_tmr_operands): Same.
1155 * tree-vectorizer.c (rename_variables_in_bb): Remove
1158 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1160 (check_loop_closed_ssa_stmt): Same.
1162 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1164 (verify_ssa): Remove V_MUST_DEFs traces.
1165 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1167 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1169 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1170 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1172 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1174 (MUSTDEF_OPS): Remove.
1175 (SSA_OP_VMUSTDEF): Remove.
1176 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1177 (struct mustdef_optype_d): Remove.
1178 Remove mustdef_optype_p.
1179 (struct stmt_operands_d): Remove mustdef_ops.
1180 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1181 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1182 (MUSTDEF_RESULT_PTR): Remove.
1183 (MUSTDEF_RESULT): Remove.
1184 (MUSTDEF_KILL_PTR): Remove.
1185 (MUSTDEF_KILL): Remove.
1186 (MUSTDEF_NUM): Remove.
1187 (MUSTDEF_VECT): Remove.
1188 (SSA_OP_VIRTUAL_KILLS): Remove.
1189 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1190 (SSA_OP_VMUSTKILL): Remove.
1191 (SSA_OP_ALL_KILLS): Remove.
1192 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1194 * tree-flow-inline.h (op_iter_init_def): Remove
1195 SSA_OP_VIRTUAL_KILLS.
1196 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1198 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1199 SSA_OP_VIRTUAL_KILLS.
1201 * tree-ssa-loop-im.c (determine_max_movement): Remove
1202 SSA_OP_VIRTUAL_KILLS.
1203 (gather_mem_refs_stmt): Same.
1204 (gather_mem_refs_stmt): Same.
1206 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1207 (perform_tree_ssa_dce): Remove call to
1208 mark_really_necessary_kill_operand_phis.
1210 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1212 (op_iter_next_use): Do not check mustkills.
1213 (op_iter_next_def): Do not check mustdefs.
1214 (op_iter_next_tree): Do not check mustkills or mustdefs.
1215 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1216 (op_iter_next_maymustdef): Do not check mustkills.
1217 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1218 (op_iter_init_mustdef): Remove.
1220 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1223 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1225 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1226 (visit_assignment): Same.
1228 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1230 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1232 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1234 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1235 Remove kill_p variable.
1237 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1238 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1239 (collect_dfa_stats_r): Do not set num_v_must_defs.
1240 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1243 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1246 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1247 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1249 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1252 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1254 PR rtl-optimization/30113
1255 * loop-iv.c (implies_p): Require the mode of the operands to be
1258 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1260 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1261 Rename from create_ssa_artficial_load_stmt. Update all users.
1262 * tree-into-ssa.c (register_new_def): Make static.
1263 * tree.c (is_global_var): Handle SSA_NAMEs.
1264 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1265 that used to call gimple_default_def.
1266 * tree-ssa-operands.c (push_stmt_changes): New.
1267 (pop_stmt_changes): New. Update every pass that modifies
1268 statements to bracket modifications with
1269 push_stmt_changes/pop_stmt_changes.
1270 (discard_stmt_changes): New.
1271 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1272 'tree *' instead of 'tree'. Update all users.
1273 * tree-flow-inline.h (zero_imm_uses_p): New.
1274 (symbol_mem_tag): New. Update every function that used
1275 to access the annotation directly.
1276 (set_symbol_mem_tag): Likewise.
1277 * tree-dfa.c (dump_variable): Always show the escape mask.
1278 (mark_symbols_for_renaming): Rename from
1279 mark_new_vars_to_rename. Update all users.
1280 Only mark to rename naked symbols in real and virtual
1283 2006-12-11 Andreas Schwab <schwab@suse.de>
1285 * varasm.c (elf_record_gcc_switches): Cast second argument of
1286 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1288 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1290 * tree-scalar-evolution.c (scev_const_prop):
1291 * tree-phinodes.c (remove_phi_node): Add argument
1292 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1295 * tree-ssa-dce.c: Remove forward declarations for static
1296 functions. Re-arrange functions bodies as needed.
1297 (find_obviously_necessary_stmts): Never mark PHI nodes as
1298 obviously necessary.
1300 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1302 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1304 2006-12-11 Jan Hubicka <jh@suse.cz>
1306 * value-prof.c (tree_stringops_transform): New.
1307 (tree_value_profile_transformations): Require count to be non-zero;
1308 call stringop transform; reset stmt BSI after BB changed.
1309 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1310 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1311 (tree_stringops_values_to_profile): New.
1312 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1313 * tree.h (build_string_literal): Tidy prototype.
1314 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1316 * builtins.c (validate_arglist, builtin_memset_read_str,
1317 get_pointer_alignment): Export.
1319 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1323 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1325 * config/i386/i386.opt: New target option -mx87regparm.
1327 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1328 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1329 (X87_REGPARM_MAX): Define.
1331 * config/i386/i386.c (override_options): Error out for
1332 -mx87regparm but no 80387 support.
1333 (ix86_attribute_table): Add x87regparm.
1334 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1335 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1336 (ix86_function_x87regparm): New function.
1337 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1339 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1341 (function_arg_advance): Process x87_nregs and x87_regno when
1342 floating point argument is to be passed in 80387 register.
1343 (function_arg): Pass XFmode arguments in 80387 registers for local
1344 functions. Pass SFmode and DFmode arguments to local functions
1345 in 80387 registers when flag_unsafe_math_optimizations is set.
1347 * reg-stack.c (convert_regs_entry): Disable NaN load for
1348 stack registers that are used for argument passing.
1350 * doc/extend.texi: Document x87regparm function attribute.
1351 * doc/invoke.texi: Document -mx87regparm.
1353 2006-12-11 Jan Hubicka <jh@suse.cz>
1355 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1356 * cgraph.c: Update comments.
1357 (cgraph_varpool_hash,
1358 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1359 cgraph_varpool_node_name, cgraph_varpool_node,
1360 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1361 cgraph_variable_initializer_availability): Move to
1362 varpool.c and drop cgraph_ prefixes.
1363 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1364 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1365 move to varpool.c; drop cgraph_ prefix; make static.
1366 (dump_cgraph_varpool_node): Move to varpool.c under name
1368 (dump_varpool, hash_varpool_node, eq_varpool_node,
1369 decide_is_variable_needed): Move to varpool.c
1370 (decl_assembler_name_equal): Move to tree.c.
1371 (availability_names): Rename to ...
1372 (cgraph_availability_names): ... this one.
1373 (dump_cgraph_node): Update.
1374 * cgraph.h: Reorder declarations now in varpool.c
1375 (cgraph_vailablity_names): Declare.
1376 (struct cgraph_varpool_node): Rename to ...
1377 (struct varpool_node): ... this one.
1378 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1379 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1380 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1381 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1382 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1383 cgraph_variable_initializer_availability): Rename to ...
1384 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1385 varpool_first_unanalyzed_node, varpool_node,
1386 varpool_node_for_asm, varpool_mark_needed_node,
1387 varpool_finalize_decl, varpool_enqueue_needed_node,
1388 varpool_assemble_pending_decls, variable_initializer_availability):
1390 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1391 * tree.h (decl_assembler_name_equal): Declare.
1392 * omp-low.c (lower_omp_critical): Update.
1393 * ipa-reference (analyze_variable, static_execute): Likewise.
1394 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1395 * cgraphunit.c: Update comments.
1396 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1397 varpool_assembled_nodes_queue.
1398 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1399 varpool_analyze_pending_decls.
1400 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1401 varpool_remove_unreferenced_decls.
1402 (record_reference): Update.
1403 (cgraph_create_edges): Update.
1404 (record_referneces_in_initializer): New function.
1405 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1406 varpool_assemble_decl; make global.
1407 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1408 varpool_assemble_pending_decls.
1409 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1410 struct cgraph_order_sort, cgraph_output_in_order,
1411 cgraph_function_and_variable_invisibility, cgraph_optimize,
1412 cgraph_increase_alignment): Update.
1413 * dwarf2out.c (decls_for_scope): Likewise.
1414 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1415 * except.c (output_ttype): Likewise.
1416 * varasm.c (mark_decl_referenced): Likewise.
1417 (find_decl_and_mark_referenced, assemble_alias): update.
1418 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1419 * passes.c (rest_of_decl_compilation): Update.
1421 2006-12-11 Ira Rosen <irar@il.ibm.com>
1423 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1424 GIMPLE_STMT_OPERAND.
1425 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1426 (vect_setup_realignment): Likewise.
1428 2006-12-11 Sa Liu <saliu@de.ibm.com>
1429 Ben Elliston <bje@au.ibm.com>
1431 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1432 (ENDFILE_SPEC): Likewise.
1433 * config/spu/spu.opt (mstdmain): New option.
1434 * config/spu/crti.asm: Remove.
1435 * config/spu/crtn.asm: Likewise.
1436 * config/spu/crt0.c: Likewise.
1437 * config/spu/crtend.c: Likewise.
1438 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1440 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1441 * doc/invoke.texi (SPU Options): Document -mstdmain.
1443 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1445 * doc/loop.texi: Document number_of_latch_executions and
1446 number_of_cond_exit_executions.
1447 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1448 chrec_is_positive, number_of_iterations_for_all_loops,
1449 scev_const_prop): Use number_of_latch_executions.
1450 (set_nb_iterations_in_loop): Do not increase the value of the
1451 number of iterations.
1452 (number_of_iterations_in_loop): Renamed to ...
1453 (number_of_latch_executions): ... this.
1454 (number_of_exit_cond_executions): New function.
1455 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1457 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1458 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1459 number_of_latch_executions.
1460 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1461 number_of_exit_cond_executions.
1462 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1463 * cfgloop.h (struct loop): Improve description of the nb_iterations
1466 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1468 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1469 (tree_pointer_compare): Remove.
1471 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1473 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1474 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1475 * tree-loop-linear.c (linear_transform_loops): Ditto.
1476 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1477 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1478 free_numbers_of_iterations_estimates): Ditto.
1479 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1480 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1481 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1482 * modulo-sched.c (sms_schedule): Ditto.
1483 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1484 tree_unroll_loops_completely): Ditto.
1485 * predict.c (predict_loops): Ditto.
1486 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1487 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1488 decide_unrolling_and_peeling): Ditto.
1489 * cfgloopmanip.c (unloop): Use delete_loop.
1490 (place_new_loop): Access larray vector instead of parray.
1491 (create_preheaders, force_single_succ_latches,
1492 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1493 * loop-doloop.c (doloop_optimize_loops): Ditto.
1494 * loop-invariant.c (move_loop_invariants): Ditto.
1495 * tree-cfg.c (replace_uses_by): Ditto.
1496 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1497 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1499 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1501 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1502 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1503 get_loop and get_chrec_loop.
1504 (number_of_iterations_for_all_loops): Use number_of_loops.
1505 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1506 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1507 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1509 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1510 chrec_convert_1): Use get_loop and get_chrec_loop.
1511 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1512 (loop_optimizer_init): Use FOR_EACH_LOOP.
1513 * tree-vectorizer.c (vect_loops_num): Removed.
1514 (vectorize_loops): Store number of loops locally. Use
1515 FOR_EACH_LOOP and get_loop.
1516 * tree-vectorizer.h (vect_loops_num): Removed.
1517 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1518 (find_data_references_in_loop): Do not set parallel_p.
1519 * tree-data-ref.h: Do not declare VEC(loop_p).
1520 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1521 verify_loop_structure): Use FOR_EACH_LOOP.
1522 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1523 (initialize_loops_parallel_p): Removed.
1524 (flow_loops_find): Push the loops into a vector.
1525 (delete_loop): New function.
1526 (cancel_loop): Use delete_loop.
1527 * cfgloop.h: Declare VEC(loop_p).
1528 (struct loop): Remove parallel_p field.
1529 (struct loops): Replace num and parray field by larray vector.
1530 Remove shared_headers field.
1531 (delete_loop): Declare.
1532 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1533 FOR_EACH_LOOP): New.
1534 * doc/loop.tex: Document new accessor functions.
1536 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1538 * common.opt (-ftree-lrs): Remove live range splitting option.
1539 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1540 * opts.c (decode_options): Remove flag_tree_live_range_split.
1541 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1542 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1543 * tree-outof-ssa.c: Remove header files which aren't needed.
1544 (SSANORM_*): Remove flags.
1545 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1546 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1547 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1548 (assign_vars): Use Basevar instead of root_var structure.
1549 (replace_def_variable): Dont do anything if def is replaceable.
1550 (remove_ssa_form): Integrate functional changes.
1551 (rewrite_out_of_ssa): Remove live-range_split option.
1552 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1553 (coalesce_cost): Calculate the cost of a coalesce.
1554 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1555 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1556 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1557 (pop_best_coalesce): Remove the best coalesce from the list.
1558 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1559 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1560 (create_coalesce_list): Create a coalesce list object.
1561 (delete_coalesce_list): Free a coalesce list object.
1562 (find_coalesce_pair): Find matching pair in the coalesce list.
1563 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1564 (add_coalesce): Add a coalesce to the coalesce list.
1565 (compare_pairs): Comparision function to determine pair sorted order.
1566 (num_coalesce_pairs): Number of coalesced pairs.
1567 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1568 Coalesce pair iterator functions.
1569 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1570 (dump_coalesce_list): Show coalesce list.
1571 (ssa_conflicts_new): Create an SSA conflict graph.
1572 (ssa_conflicts_delete): Delete an SSA conflict graph.
1573 (ssa_conflicts_test_p): Test for conflicts.
1574 (ssa_conflicts_add_one): Add a single conflict.
1575 (ssa_conflicts_add): Add a conflict pair.
1576 (ssa_conflicts_merge): Merge conflicts.
1577 (struct live_track_d): Struct for tracking live partitions.
1578 (new_live_track): Create new live_track object.
1579 (delete_live_track): Delete a live_track object.
1580 (live_track_remove_partition): Remove a partition from the live list.
1581 (live_track_add_partition): Add a partition from the live list.
1582 (live_track_clear_var): Take VAR from the live list.
1583 (live_track_live_p): Is var live?
1584 (live_track_process_use): Make var come alive.
1585 (live_track_process_def): Make var go dead, add conflicts.
1586 (live_track_init): Initialize to a live on exit set.
1587 (live_track_clear_base_vars): Clear live partitions.
1588 (build_ssa_conflict_graph): Build a conflict graph.
1589 (print_exprs): Common debug output routine.
1590 (abnormal_corrupt): Output info about a failed coalesce across an
1592 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1593 (create_outofssa_var_map): Create a var map and coalesce list.
1594 (attempt_coalesce): Coalesce a pair.
1595 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1596 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1597 * tree-ssa-live.c: Remove header files which aren't needed.
1598 (var_map_base_init): New. Initialize a basevar list.
1599 (var_map_base_fini): New. Finish a basevar list.
1600 (init_var_map): Initialize new fields.
1601 (delete_var_map): Free new fields.
1602 (var_union): Use renamed fields.
1603 (compact_var_map): Remove.
1604 (partition_to_view_init): Use renamed fields, change order of an if.
1605 (partition_view_fini): Use renamed fields.
1606 (partition_view_normal): Create basevar list if requested.
1607 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1608 (change_partition_var): Use renamed fields.
1609 (create_ssa_var_map): Remove.
1610 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1611 root_var_init): Remove.
1612 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1613 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1614 compare_pairs, num_coalesce_pairs, first_partition_pair,
1615 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1616 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1617 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1618 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1619 (dump_var_map): Use renamed fields.
1620 * tree-ssa-live.h (struct _var_map): Modify fields.
1621 (partition_to_var, version_to_var, var_to_partition): Use renamed
1623 (basevar_index): New. Index of the base variable of a partition.
1624 (num_basevars): New. Number of unique base variables in partition map.
1625 (register_ssa_partition): Use renamed fields.
1626 (struct tree_partition_associator_d): Remove.
1627 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1628 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1629 root_var, root_var_first_partition, root_var_next_partition,
1630 root_var_dump, root_var_delete, root_var_remove_partition,
1631 root_var_find, root_var_compact, root_var_decompact): Remove.
1632 (struct partition_pair, struct coalesce_list_d): Moved to
1634 * tree-ssa-ter.c: Remove header files which aren't needed.
1636 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1638 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1639 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1641 (cse_visited_basic_blocks): New static bitmap.
1642 (cse_end_of_basic_block, cse_basic_block): Remove.
1643 (cse_find_path, cse_dump_path, cse_prescan_path,
1644 cse_extended_basic_block): New static functions.
1645 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1646 basic block boundaries. Don't record jump equivalences here.
1647 Update the CFG after doing in-place replacement of the SET_SRC.
1648 (cse_main): Rewrite. Look for extended basic block headers
1649 and call cse_extended_basic_block on them until all paths that
1650 start at this header are exhausted.
1651 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1652 and correct after cse_main.
1653 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1654 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1655 (pass_cse): Add TODO_verify_flow.
1656 (pass_cse2): Likewise.
1658 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1660 * reload1.c (choose_reload_regs): Don't set byte offset when
1661 resolving subregs of hard regs.
1663 2006-12-09 Zack Weinberg <zackw@panix.com>
1665 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1666 suitable for the language, if set_yydebug is true.
1667 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1668 YYDEBUG or declare yydebug.
1669 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1671 2006-12-09 Jan Hubicka <jh@suse.cz>
1673 * cgraph.c: Update copyright.
1674 * cgraph.h: Likewise
1675 (cgraph_update_pending_function): Remove prototype.
1676 * cgraphunit.c: Update copyright; update overall comment.
1677 (cgraph_assemble_pending_functions): Make local.
1679 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1681 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1683 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1685 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1687 (cpat_const_p, gen_cpat_const): Add.
1688 * config/spu/spu.c (immediate_class): New enum.
1689 (cpat_info, classify_immediate): New.
1690 (print_operand): Use S, D, T instead of F, G, H. Use
1691 classify_immediate. Handle cpat cases.
1692 (spu_split_immediate): Renamed from spu_split_address. Split all
1693 immediates that can be split.
1694 (immediate_load_p): Use classify_immediate.
1695 (spu_legitimate_constant_p): Accept everything except some cases of
1697 (spu_expand_move): Use spu_split_immedate.
1698 (fsmbi_const_p): Use classify_immediate.
1699 (cpat_const_p): New.
1700 (gen_cpat_const: New.
1701 * config/spu/constraints.md (j,k,l): New constraints for cpat
1703 * config/spu/spu.md (unnamed splitter): Change address splitter to
1704 handle all immediates.
1705 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1707 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1710 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1713 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1714 patterns. Correct length of high:DI instruction sequence.
1716 2006-12-08 Mike Stump <mrs@apple.com>
1718 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1719 libgcc with -mmacosx-version-min=10.4.
1720 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1721 G4 for 10.5+ unless doing kernel builds.
1723 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1726 * reg-stack.c (convert_regs_entry): Mark current argument passing
1729 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1730 of float arguments in x87 registers.
1732 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1734 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1736 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1738 * recog.c (mode_dependent_address_p): Identify pre-increment,
1739 pre-decrement, post-increment and post-decrement addressing as always
1740 being mode-dependent.
1741 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1742 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1743 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1744 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1745 PRE_INC and POST_INC checks.
1746 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1747 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1748 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1749 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1750 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1751 PRE_INC, POST_DEC and POST_INC cases.
1752 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1753 Delete POST_INC and PRE_DEC cases.
1754 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1756 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1757 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1759 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1760 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1761 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1762 PRE_INC and PRE_DEC cases.
1763 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1764 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1765 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1766 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1767 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1768 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1769 auto-increment cases.
1770 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1771 auto-increment cases.
1772 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1774 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1776 * Makefile.in: Add new file tree-ssa-ter.c.
1777 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1778 free_temp_expr_table, add_value_to_version_list,
1779 add_value_to_partition_list, remove_value_from_partition_list,
1780 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1781 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1782 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1783 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1785 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1786 (struct value_expr_d): Remove.
1787 (struct temp_expr_table_d): Rename fields, add explicit vector of
1788 replaceable expressions instead of sharing. Change value_expr_p's to
1789 bitmap. Delete free_list.
1790 (new_temp_expr_table): Rename fields, count number of ssa_names in
1792 (free_temp_expr_table): Rename field, free new fields.
1793 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1794 add_info_to_list, remove_value_from_list): Delete.
1795 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1796 (make_dependent_on_partition): New. Set bit in version list, allocating
1797 a bitmap if need be.
1798 (add_to_partition_kill_list): New. Set bit in the partition list,
1799 allocating a bitmap if need be.
1800 (remove_from_partition_kill_list): New. Remove a bit from the
1801 partition list, free the bitmap if it is empty.
1802 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1803 on partitions with only one member.
1804 (is_replaceable_p): New. Split out replaceability check from
1806 (process_replaceable): New. Code split from check_replaceable.
1807 (check_replaceable): Removed.
1808 (finished_with_expr): Renamed from finish_expr.
1809 (kill_expr): Use renamed fields and less parameters.
1810 (kill_virtual_exprs): Less parameters.
1811 (mark_replaceable): Use renamed fields.
1812 (find_replaceable_in_bb): Use renamed fields, cleanup.
1813 (find_replaceable_exprs): Use renamed routines, cleanup.
1814 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1815 (debug_ter): New. Debug routine to dump state.
1817 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1819 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1820 anything involving the GOT.
1821 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1822 (trapping_loads_p): Look inside the pattern of an insn to find the
1824 * config/bfin/bfin.md (attr "type"): Add movcc.
1825 (insn_reservation "alu"): Likewise.
1826 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1828 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1830 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1831 (spu_resolve_overloaded_builtin): Check for non scalar instead
1832 of vector type and check the function call argument type also for
1834 Call build_function_call instead of spu_build_overload_builtin.
1836 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1838 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1839 to the calls of hwint_to_const_double.
1841 2006-12-07 Nick Clifton <nickc@redhat.com>
1843 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1844 elf_record_gcc_switches.
1846 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1848 * expr.c (string_constant): Account for non-zero lower bound arrays.
1850 2006-12-07 Richard Guenther <rguenther@suse.de>
1852 * builtins.c (expand_builtin_pow): Adjust predicates for
1853 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1856 2006-12-07 Jan Hubicka <jh@suse.cz>
1858 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1861 2006-12-07 Jan Hubicka <jh@suse.cz>
1863 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1864 use fold_constant_to_binary; tolerate wrong type constants.
1865 (value_intersect_p): Do just two tests.
1867 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1869 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1870 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1871 lshifthi3): Use it, and fix the order of alternatives.
1873 2006-12-07 Nick Clifton <nickc@redhat.com>
1875 * common.opt (record-gcc-switches): New command line switch.
1876 * target.h (print_switch_type): New enum.
1877 (print_switch_fn_type): New typedef for a function pointer.
1878 (struct gcc_target): Add record_gcc_switches and
1879 record_gcc_switches_section fields.
1880 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1882 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1884 * toplev.c (print_single_switch): Simplify by providing a
1885 pointer to function that will format and output the switch
1887 (print_switch_values): Likewise.
1888 (print_to_asm_out_file): New function.
1889 (print_to_stderr): New function.
1890 (init_asm_output): If flag_record_gcc_switches is set then if
1891 the target supports recording the switches then emit them into
1892 the assembler output file, otherwise tell the user that the
1893 switch is not supported.
1894 * varasm.c (eld_record_gcc_switches): New function. Example
1895 handler for the record_gcc_switches target hook.
1896 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1898 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1899 * doc/invoke.texi (-frecord-gcc-switches): Document.
1901 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1904 * sched-rgn.c (add_block1): Use correct initializer.
1906 2006-12-07 Richard Guenther <rguenther@suse.de>
1908 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1909 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1911 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1914 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1915 not GIMPLE_MODIFY_STMT.
1917 2006-12-06 Jan Hubicka <jh@suse.cz>
1919 * tree-vrp.c (operand_less_p): New.
1920 (compare_values, value_inside_range): Rewrite in terms of
1923 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1925 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1927 (length_immediate): Do not depend on cld type attribute.
1928 (length_address): Ditto.
1931 (cld): Remove insn pattern.
1932 (strmov_singleop): Do not use DIRFLAG_REG.
1933 (*strmovdi_rex_1): Ditto.
1934 (*strmovsi_1): Ditto.
1935 (*strmovsi_rex_1): Ditto.
1936 (*strmovhi_1): Ditto.
1937 (*strmovhi_rex_1): Ditto.
1938 (*strmovqi_1): Ditto.
1939 (*strmovqi_rex_1): Ditto.
1941 (*rep_movdi_rex64): Ditto.
1942 (*rep_movsi): Ditto.
1943 (*rep_movsi_rex64): Ditto.
1944 (*rep_movqi): Ditto.
1945 (*rep_movqi_rex64): Ditto.
1946 (strset_singleop): Ditto.
1947 (*strsetdi_rex_1): Ditto.
1948 (*strsetsi_1): Ditto.
1949 (*strsetsi_rex_1): Ditto.
1950 (*strsethi_1): Ditto.
1951 (*strsethi_rex_1): Ditto.
1952 (*strsetqi_1): Ditto.
1953 (*strsetqi_rex_1): Ditto.
1955 (*rep_stosdi_rex64): Ditto.
1956 (*rep_stossi): Ditto.
1957 (*rep_stossi_rex64): Ditto.
1958 (*rep_stosqi): Ditto.
1959 (*rep_stosqi_rex64): Ditto.
1960 (cmpstrnsi): Do not generate cld insn.
1961 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1962 (*cmpstrnqi_nz_1): Ditto.
1963 (*cmpstrnqi_nz_rex_1): Ditto.
1964 (cmpstrnqi_1): Ditto.
1965 (*cmpstrnqi_1): Ditto.
1966 (*cmpstrnqi_rex_1): Ditto.
1967 (strlenqi_1): Ditto.
1968 (*strlenqi_1): Ditto.
1969 (*strlenqi_rex_1): Ditto.
1971 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1972 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1973 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1975 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1976 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1978 (k6_alux_only_load): Ditto.
1979 (k6_alux_only_store): Ditto.
1981 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1982 Do not emit cld instruction.
1983 (ix86_expand_setmem): Ditto.
1984 (ix86_expand_strlen): Do not emit cld instruction.
1986 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1988 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1991 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1993 * gdbinit.in: Set complaints to 0.
1995 2006-12-06 Jan Hubicka <jh@suse.cz>
1997 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1998 ALONE_MEM_STAT_DECL): New macros.
1999 * bitmap.h: Include statistics.h
2000 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2001 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2002 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2003 * bitmap.c: Include hashtab.h
2004 (bitmap_descriptor): New.
2005 (bitmap_hash): New static variable
2006 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2007 New static functions.
2008 (bitmap_register): New.
2009 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2010 bitmap_obstack_release): Do accounting.
2011 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2013 (bitmap_gc_alloc_stat): Likewise.
2014 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2015 (print_statistics, dump_bitmap_statistics): New functions.
2016 * toplev.c (finalize): Dump bitmap statistics.
2018 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2020 * reload1.c (delete_output_reload): Count occurrences in
2021 CALL_INSN_FUNCTION_USAGE.
2022 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2023 crashing at the end of the list.
2025 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2027 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2028 Optimize to avoid marking more SMT's as used when they aren't.
2030 2006-12-05 Eric Christopher <echristo@apple.com>
2032 * config/i386/i386.c (x86_output_aligned_bss): Move out
2033 of COMMON_ASM_OP ifdef.
2035 2006-12-05 Eric Christopher <echristo@apple.com>
2037 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2038 (STARTFILE_SPEC): Use.
2039 (DARWIN_DYLIB1_SPEC): New.
2040 (DARWIN_CRT1_SPEC): New.
2041 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2043 * config/i386/darwin.h: Ditto.
2044 * config/rs6000/darwin.h: Ditto.
2046 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2048 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2049 * tree-complex.c (pass_lower_complex): Ditto.
2050 * tree-ssa-ccp.c (pass_ccp): Ditto.
2051 (pass_store_ccp): Ditto.
2052 * tree-ssa-dom.c (pass_dominator): Ditto.
2053 (pass_phi_only_cprop): Ditto.
2054 * tree-sra.c (pass_sra): Ditto.
2055 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2056 * tree-flow.h (updating_used_alone): Remove.
2057 (updating_used_alone): Ditto.
2058 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2059 (lhs_may_store_to): Remove function.
2060 (recalculate_used_alone): Ditto.
2061 (compute_may_aliases): Remove used_alone calculation.
2062 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2063 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2064 * tree-pass.h (PROP_smt_usage): Remove.
2065 * passes.c (execute_todo): Remove used alone recalculation.
2066 (execute_one_pass): Ditto.
2067 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2070 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2072 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2074 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2076 PR tree-optimization/14784
2077 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2079 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2081 Merge from gimple-tuples-branch.
2083 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2085 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2087 (s390_gimplify_va_arg): Same.
2088 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2089 * config/sh/sh.c (sh_va_start): Same.
2090 (sh_gimplify_va_arg_expr): Same.
2091 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2092 (xtensa_gimplify_va_arg_expr): Same.
2093 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2094 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2095 * config/mips/mips.c (mips_va_start): Same.
2096 (mips_gimplify_va_arg_expr): Same.
2098 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2100 * Merge from mainline at revision 119445.
2102 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2104 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2106 (spu_gimplify_va_arg_expr): Same.
2108 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2110 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2111 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2112 (xstormy16_expand_builtin_va_arg): Same.
2114 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2116 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2117 to GIMPLE_MODIFY_STMT.
2119 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2121 * config/alpha/alpha.c (va_list_skip_additions): Change all
2122 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2123 (alpha_va_start): Same.
2124 (alpha_gimplify_va_arg_1): Same.
2125 (alpha_gimplify_va_arg): Same.
2127 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2129 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2131 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2133 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2134 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2136 * tree-complex.c: Same.
2137 * tree-pretty-print.c: Same.
2141 * fold-const.c: Same.
2142 * tree-ssa-dom.c: Same.
2143 * tree-ssa-propagate.c: Same.
2144 * tree-ssa-alias.c: Same.
2145 * gimple-low.c: Same.
2146 * dwarf2out.c: Same.
2147 * c-pretty-print.c: Same.
2149 * tree-inline.c: Same.
2150 * tree-outof-ssa.c: Same.
2151 * tree-ssa-structalias.c: Same.
2152 * tree-ssa-reassoc.c: Same.
2155 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2157 * tree.c (build2_stat): Fix comment.
2159 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2161 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2162 TREE_OPERAND when appropriate.
2164 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2166 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2167 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2168 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2169 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2170 not handle GIMPLE_MODIFY_STMT in the switch statement.
2171 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2172 (java_gimplify_new_array_init): Same.
2174 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2176 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2177 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2178 * fold-const.c (fold_binary): Allow gimple statements.
2180 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2181 Rename from gfc_conv_descriptor_data_set.
2182 Call gfc_add_modify instead of gfc_add_modify_expr.
2183 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2184 Rename from gfc_conv_descriptor_data_set.
2185 (gfc_conv_descriptor_data_set): New macro.
2186 (gfc_conv_descriptor_data_set_tuples): New macros.
2187 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2188 gfc_conv_descriptor_data_set_tuples.
2189 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2190 Generate GIMPLE_MODIFY_STMT when appropriate.
2191 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2192 (gfc_add_modify_expr): New macro.
2193 (gfc_add_modify_stmt): New macro.
2194 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2196 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2198 * Merge from mainline at revision 118200.
2200 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2202 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2205 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2207 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2209 Also, add __extension__ to GCC versions.
2210 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2211 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2214 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2216 * tree-complex.c (expand_complex_libcall): Adjust for
2218 (expand_complex_comparison): Same.
2219 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2220 GIMPLE_STMT_P statements.
2221 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2223 (tree_mod_pow2_value_transform): Same.
2224 (tree_mod_subtract_transform): Same.
2225 * tree.c (build2_stat): Check for gimplified function in cfun.
2226 * tree.h (DECL_GIMPLIFIED): Delete.
2227 (struct tree_function_decl): Remove gimplified_flag.
2228 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2229 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2230 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2231 (cxx_omp_clause_copy_ctor): Same.
2232 (cxx_omp_clause_assign_op): Same.
2233 * c-pretty-print.c (pp_c_conditional_expression): Same.
2234 (pp_c_expression): Same.
2235 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2236 * function.h (struct function): Add gimplified field.
2237 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2239 (find_phi_replacement_condition): Same.
2240 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2241 (gimplify_modify_expr_to_memset): Same.
2242 (gimplify_init_ctor_eval_range): Same.
2243 (gimplify_modify_expr_complex_part): Same.
2244 (tree_to_gimple_tuple): Same.
2245 (gimplify_modify_expr): Same.
2246 (gimple_push_cleanup): Same.
2247 (gimplify_omp_for): Same.
2248 (gimplify_omp_atomic_pipeline): Same.
2249 (gimplify_omp_atomic_mutex): Same.
2250 (gimplify_expr): Same.
2251 (gimplify_one_sizepos): Same.
2252 (gimplify_function_tree): Same.
2253 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2254 (vect_recog_widen_sum_pattern): Same.
2255 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2256 (vect_create_epilog_for_reduction): Same.
2257 (vectorizable_reduction): Same.
2259 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2261 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2262 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2263 (ifc_temp_var): Same.
2264 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2265 for gimple statements.
2266 (vect_analyze_operations): Same.
2267 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2268 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2269 * lambda-code.c (can_put_in_inner_loop): Same.
2270 (can_put_after_inner_loop): Same.
2271 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2272 (vect_create_data_ref_ptr): Same.
2273 (vect_init_vector): Same.
2274 (vect_get_vec_def_for_operand): Same.
2275 (vect_create_epilog_for_reduction): Same.
2276 (vectorizable_reduction): Same.
2277 (vectorizable_assignment): Same.
2278 (vectorizable_operation): Same.
2279 (vectorizable_load): Same.
2280 (vectorizable_condition): Same.
2281 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2282 (rs6000_gimplify_va_arg): Same.
2284 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2286 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2287 GIMPLE_STMT_OPERAND.
2288 (simplify_abs_using_ranges): Same.
2289 * tree-complex.c (expand_complex_operations_1): Use
2290 PROTECTED_TREE_OPERAND.
2291 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2293 (get_val_for): Use GIMPLE_STMT_OPERAND.
2294 * tree-tailcall.c (adjust_accumulator_values): Same.
2295 (adjust_return_value): Same.
2296 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2297 case. Remove special case for tcc_gimple_stmt.
2298 * tree.h (CAN_HAVE_LOCATION_P): New.
2299 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2301 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2302 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2303 * tree-nrv.c (execute_return_slot_opt): Same.
2304 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2305 * tree-vn.c (set_value_handle): Same.
2306 (get_value_handle): Same.
2307 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2308 * tree-vectorizer.c (find_loop_location): Same.
2309 * c-typeck.c (c_process_expr_stmt): Same.
2310 (c_finish_stmt_expr): Same.
2311 * gimplify.c (should_carry_locus_p): Same.
2312 (tree_to_gimple_tuple): Delete definition and use of unecessary
2313 variable save_tree_block.
2314 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2315 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2316 (realify_fake_stores): Same.
2317 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2319 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2320 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2321 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2322 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2323 (c_parser_statement_after_labels): Same.
2324 (c_parser_paren_condition): Same.
2325 (c_parser_for_statement): Same.
2326 (c_parser_omp_for_loop): Same.
2327 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2328 (linearize_expr_tree): Same.
2329 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2330 * function.c (instantiate_expr): Same.
2332 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2334 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2335 (set_expr_location): Same.
2337 (set_expr_locus): Same.
2338 (expr_filename): Same.
2339 (expr_lineno): Same.
2340 (tree_block): Use GIMPLE_STMT_BLOCK.
2341 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2342 * tree.h (struct gimple_stmt): Remove prev and next.
2343 (GIMPLE_STMT_OPERAND_CHECK): New.
2344 (TREE_TO_GIMPLE_STMT): Delete.
2345 (GIMPLE_STMT_TO_TREE): Delete.
2346 (GIMPLE_STMT_OPERAND): Use union, not cast.
2347 (GIMPLE_STMT_LOCUS): New.
2348 (GIMPLE_STMT_BLOCK): New.
2349 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2351 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2353 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2355 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2357 * tree-tailcall.c (adjust_return_value): Same.
2358 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2359 (copy_node_stat): Change common.base to base.
2360 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2361 Remove GIMPLE_STATEMENT_LIST case.
2362 * tree.h (struct gimple_stmt): Make operands of type tree.
2363 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2364 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2365 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2366 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2367 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2368 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2369 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2370 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2371 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2372 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2373 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2374 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2375 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2376 Change common.base to base.
2377 (GIMPLE_STATEMENT_LIST*): Remove.
2378 (union tree_node): Add base. Remove gimple_statement_list.
2379 Remove pointer from gstmt.
2380 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2381 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2382 * tree-vn.c (vn_compute): Change common.base to base.
2383 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2384 * tree-flow-inline.h (var_ann): Same.
2385 (function_ann): Same.
2387 (mark_non_addressable): Same.
2388 * gimplify.c (tree_to_gimple_tuple): Same.
2389 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2390 * tree-dfa.c (create_var_ann): Change common.base to base.
2391 (create_function_ann): Same.
2392 (create_stmt_ann): Same.
2393 (create_tree_ann): Same.
2394 (collect_dfa_stats_r): Same.
2395 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2396 * tree-ssa-dce.c (NECESSARY): Same.
2397 * tree-ssa.c (delete_tree_ssa): Same.
2398 * tree-optimize.c (execute_free_cfg_annotations): Same.
2399 * tree-flow.h: Same.
2401 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2403 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2404 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2406 * tree.h (struct gimple_stmt): Add prev and next fields.
2407 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2408 (GIMPLE_STATEMENT_LIST_HEAD): New.
2409 (GIMPLE_STATEMENT_LIST_TAIL): New.
2410 (struct gimple_statement_list): New.
2411 (union tree_node): Add gimple_stmt_list and gstmt.
2412 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2413 * tree.def: Add GIMPLE_STATEMENT_LIST.
2415 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2417 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2418 * tree-vrp.c (build_assert_expr_for): Change uses of
2419 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2420 (find_assert_locations): Same.
2421 (remove_range_assertions): Same.
2422 (stmt_interesting_for_vrp): Same.
2423 (vrp_visit_assignment): Same.
2424 (vrp_visit_stmt): Same.
2425 (simplify_cond_using_ranges): Same.
2426 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2428 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2429 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2431 (determine_invariantness_stmt): Same.
2432 (schedule_sm): Same.
2433 (gather_mem_refs_stmt): Same.
2434 * tree-complex.c (init_dont_simulate_again): Same.
2435 (complex_visit_stmt): Same.
2436 (set_component_ssa_name): Same.
2437 (expand_complex_move): Same.
2438 (expand_complex_div_wide): Same.
2439 (expand_complex_comparison): Same.
2440 (expand_complex_operations_1): Same.
2441 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2442 (chain_of_csts_start): Same.
2443 (infer_loop_bounds_from_undefined): Same.
2444 * tree-pretty-print.c (dump_generic_node): Same.
2446 (op_symbol_1): Same.
2447 * tree-ssa-loop-manip.c (create_iv): Same.
2448 * value-prof.c (tree_divmod_fixed_value): Same.
2449 (tree_divmod_fixed_value_transform): Same.
2450 (tree_mod_pow2): Same.
2451 (tree_mod_pow2_value_transform): Same.
2452 (tree_mod_subtract): Same.
2453 (tree_mod_subtract_transform): Same.
2454 (tree_divmod_values_to_profile): Same.
2455 * tree-tailcall.c (process_assignment): Same.
2456 (find_tail_calls): Same.
2457 (adjust_accumulator_values): Same.
2458 (adjust_return_value): Same.
2459 (eliminate_tail_call): Same.
2460 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2461 (make_node_stat): Same.
2462 (copy_node_stat): Handle gimple tuples.
2463 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2464 (tree_node_structure): Handle tcc_gimple_stmt.
2465 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2467 (build2_gimple_stat): New.
2468 (expr_location): New.
2469 (set_expr_location): New.
2470 (expr_has_location): New.
2472 (set_expr_locus): New.
2473 (expr_filename): New.
2475 (walk_tree): Handle tcc_gimple_stmt.
2477 (protected_tree_operand): New.
2478 (protected_tree_type): New.
2479 (tree_code_kind): Add gimple statements.
2480 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2481 (IS_GIMPLE_STMT_CODE_CLASS): New.
2482 (struct tree_base): New.
2483 (struct tree_common): Shrink.
2484 (struct gimple_stmt): New.
2485 (struct gimple_expr): New.
2486 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2487 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2488 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2489 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2490 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2491 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2492 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2493 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2494 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2495 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2496 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2497 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2498 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2499 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2500 Adjust for new `common' layout.
2501 (struct tree_function_decl): Add gimplified_flag.
2502 (DECL_GIMPLIFIED): NEW.
2503 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2504 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2505 EXPR_HAS_LOCATION): Call corresponding function.
2506 (GIMPLE_STMT_CHECK): New.
2507 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2508 (TREE_BLOCK): Call tree_block.
2509 (GIMPLE_STMT_P): New.
2510 (GIMPLE_TUPLE_P): New.
2511 (TREE_TO_GIMPLE_STMT): New.
2512 (GIMPLE_STMT_TO_TREE): New.
2513 (GIMPLE_STMT_OPERAND): New.
2514 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2515 (PROTECTED_TREE_OPERAND): New.
2516 (PROTECTED_TREE_TYPE): New.
2517 (build2_gimple_stat): Protoize.
2518 (build2_gimple): New.
2519 (expr_location): Protoize.
2520 (set_expr_location): Protoize.
2521 (expr_has_location): Protoize.
2522 (expr_locus): Protoize.
2523 (set_expr_locus): Protoize.
2524 (expr_filename): Protoize.
2525 (expr_lineno): Protoize.
2526 (tree_block): Protoize.
2527 (protected_tree_operand): Protoize.
2528 (protected_tree_type): Protoize.
2529 (enum tree_node_kind): Add gimple_stmt_kind.
2530 * c-decl.c (union lang_tree_node): Tuples do not have a
2532 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2533 GIMPLE_MODIFY_STMT and adjust accordingly.
2534 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2535 (interpret_condition_phi): Same.
2536 (pointer_used_p): Same.
2537 (analyze_scalar_evolution_1): Same.
2538 (scev_const_prop): Same.
2539 (interpret_rhs_modify_stmt): Rename from
2540 interpret_rhs_modify_expr.
2541 * builtins.c (std_expand_builtin_va_start): Change uses of
2542 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2543 (std_gimplify_va_arg_expr): Same.
2544 (expand_builtin_va_copy): Same.
2545 (integer_valued_real_p): Same.
2546 * fold-const.c (maybe_lvalue_p): Same.
2548 (tree_expr_nonnegative_p): Same.
2549 (tree_expr_nonzero_p): Same.
2550 * omp-low.c (extract_omp_for_data): Same.
2551 (lower_rec_input_clauses): Same.
2552 (lower_reduction_clauses): Same.
2553 (lower_copyprivate_clauses): Same.
2554 (lower_send_clauses): Same.
2555 (lower_send_shared_vars): Same.
2556 (expand_parallel_call): Same.
2557 (expand_omp_parallel): Same.
2558 (expand_omp_for_generic): Same.
2559 (expand_omp_for_static_nochunk): Same.
2560 (expand_omp_for_static_chunk): Same.
2561 (expand_omp_sections): Same.
2562 (lower_omp_single_copy): Same.
2563 (lower_omp_parallel): Same.
2564 * tree-ssa-dse.c (memory_address_same): Same.
2565 (dse_optimize_stmt): Same.
2566 * ipa-reference.c (scan_for_static_refs): Same.
2567 * tree-gimple.c (is_gimple_reg_rhs): Same.
2568 (get_call_expr_in): Same.
2569 (recalculate_side_effects): Same.
2570 * cgraphunit.c (cgraph_create_edges): Same.
2571 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2572 * tree-ssa-ccp.c (get_default_value): Same.
2573 (likely_value): Same.
2574 (visit_assignment): Same.
2575 (ccp_visit_stmt): Same.
2576 (get_maxval_strlen): Same.
2577 (ccp_fold_builtin): Same.
2578 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2579 (find_givs_in_stmt): Same.
2580 (find_interesting_uses_op): Same.
2581 (find_interesting_uses_stmt): Same.
2582 (rewrite_use_nonlinear_expr): Same.
2583 * ipa-pure-const.c (scan_function): Same.
2584 * tree-stdarg.c (va_list_counter_bump): Same.
2585 (check_all_va_list_escapes): Same.
2586 (execute_optimize_stdarg): Same.
2587 * tree-ssa-math-opts.c (compute_merit): Same.
2588 (insert_reciprocals): Same.
2589 (execute_cse_reciprocals): Same.
2590 * tree-ssa-dom.c (initialize_hash_element): Same.
2591 (simple_iv_increment_p): Same.
2592 (record_equivalences_from_stmt): Same.
2593 (optimize_stmt): Same.
2594 (remove_stmt_or_phi): Same.
2595 (get_rhs_or_phi_arg): Same.
2596 (get_lhs_or_phi_result): Same.
2597 (propagate_rhs_into_lhs): Same.
2598 * tree-nrv.c (tree_nrv): Same.
2599 (execute_return_slot_opt): Same.
2600 * tree-ssa-propagate.c (get_rhs): Same.
2602 (stmt_makes_single_load): Same.
2603 (stmt_makes_single_store): Same.
2604 (replace_vuses_in): Same.
2605 (fold_predicate_in): Same.
2606 (substitute_and_fold): Same.
2607 * tree-ssa-alias.c (compute_call_clobbered): Same.
2608 (recalculate_used_alone): Same.
2609 (count_uses_and_derefs): Same.
2610 (is_escape_site): Same.
2611 (find_used_portions): Same.
2612 * gimple-low.c (lower_stmt): Same.
2613 (block_may_fallthru): Same.
2614 (lower_return_expr): Same.
2615 * tree-ssa-sink.c (is_hidden_global_store): Same.
2616 (statement_sink_location): Same.
2617 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2618 * expr.c (safe_from_p): Same.
2619 (expand_expr_real): Same.
2620 (expand_expr_real_1): Same.
2621 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2622 * predict.c (expr_expected_value): Same.
2623 (strip_builtin_expect): Same.
2624 (apply_return_prediction): Same.
2625 (tree_bb_level_predictions): Same.
2626 (tree_estimate_probability): Same.
2627 * tree-vn.c (vn_compute): Same.
2628 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2629 (remove_stmt_from_eh_region_fn): Same.
2630 (do_return_redirection): Same.
2631 (honor_protect_cleanup_actions): Same.
2632 (lower_try_finally_switch): Same.
2633 (lower_eh_constructs_1): Same.
2634 (tree_could_throw_p): Same.
2635 (verify_eh_throw_stmt_node): Same.
2636 * function.c (gimplify_parameters): Same.
2637 * tree-vectorizer.c (vect_is_simple_use): Same.
2638 (vect_is_simple_reduction): Same.
2639 * ipa-type-escape.c (scan_for_refs): Same.
2640 * tree-if-conv.c (tree_if_conversion): Same.
2641 (tree_if_convert_stmt): Same.
2642 (if_convertible_gimplify_modify_stmt_p): Rename from
2643 if_convertible_modify_expr_p.
2644 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2645 (ifc_temp_var): Same.
2646 (replace_phi_with_cond_modify_stmt): Rename from
2647 replace_phi_with_cond_modify_expr.
2648 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2649 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2650 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2652 * tree-flow-inline.h (var_ann): Same.
2653 (function_ann): Same.
2655 (mark_non_addressable): Same.
2656 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2657 * gimplify.c (tree_to_gimple_tuple): New.
2658 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2659 (gimplify_return_expr): Same.
2660 (gimplify_decl_expr): Same.
2661 (gimplify_self_mod_expr): Same.
2662 (gimplify_cond_expr): Same.
2663 (gimplify_init_constructor): Same.
2664 (gimplify_modify_expr): Same.
2665 (gimplify_expr): Same.
2666 (gimplify_function_tree): Same.
2667 (force_gimple_operand): Same.
2668 * tree-ssa-phiopt.c (conditional_replacement): Same.
2669 (minmax_replacement): Same.
2670 (abs_replacement): Same.
2671 * tree-dfa.c (create_var_ann): Same.
2672 (create_function_ann): Same.
2673 (create_stmt_ann): Same.
2674 (create_tree_ann): Same.
2675 (collect_dfa_stats_r): Same.
2676 * tree-ssa-pre.c (find_or_generate_expression): Same.
2677 (create_expression_by_pieces): Same.
2678 (try_look_through_load): Same.
2679 (insert_fake_stores): Same.
2680 (realify_fake_stores): Same.
2681 (compute_avail): Same.
2684 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2685 Adjust for GIMPLE_MODIFY_STMT.
2686 (NECESSARY): Adjust for new `common' layout.
2687 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2689 * tree-sra.c (sra_walk_modify_stmt): Rename from
2690 sra_walk_modify_expr.
2691 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2692 (generate_copy_inout): Same.
2693 (generate_element_copy): Same.
2694 (generate_element_zero): Same.
2695 (scalarize_copy): Same.
2696 * tree-mudflap.c (mf_decl_cache_locals): Same.
2697 (mf_build_check_statement_for): Same.
2698 (mf_xform_derefs): Same.
2699 * ipa-prop.c (ipa_method_modify_stmt): Same.
2700 * print-tree.c (print_node): Handle gimple tuples.
2701 Add case for tcc_gimple_stmt.
2702 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2704 (copy_prop_visit_assignment): Same.
2705 (copy_prop_visit_stmt): Same.
2706 (init_copy_prop): Same.
2707 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2708 (forward_propagate_into_cond_1): Same.
2709 (find_equivalent_equality_comparison): Same.
2710 (tidy_after_forward_propagate_addr): Same.
2711 (forward_propagate_addr_expr_1): Same.
2712 (simplify_not_neg_expr): Same.
2713 (simplify_switch_expr): Same.
2714 * tree-ssa-dce.c (find_pdom): Same.
2715 (mark_stmt_if_obviously_necessary): Same.
2716 (NECESSARY): Adjust for new `common' layout.
2717 * tree-flow.h: Same.
2718 * tree-vect-patterns.c (widened_name_p): Adjust for
2720 (vect_recog_dot_prod_pattern): Same.
2721 (vect_recog_widen_sum_pattern): Same.
2722 (vect_pattern_recog_1): Same.
2723 * tree-nested.c (init_tmp_var): Same.
2724 (save_tmp_var): Same.
2726 (convert_call_expr): Same.
2727 (finalize_nesting_tree_1): Same.
2728 * tree-ssa.c (verify_ssa): Same.
2729 (delete_tree_ssa): Same.
2730 * lambda-code.c (lbv_to_gcc_expression): Same.
2731 (lle_to_gcc_expression): Same.
2732 (lambda_loopnest_to_gcc_loopnest): Same.
2733 (can_put_in_inner_loop): Same.
2734 (can_convert_to_perfect_nest): Same.
2735 (perfect_nestify): Same.
2736 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2737 * tree-inline.c (copy_body_r): Same.
2738 (setup_one_parameter): Same.
2739 (initialize_inlined_parameters): Same.
2740 (estimate_num_insns_1): Same.
2741 (expand_call_inline): Same.
2742 (gimple_expand_calls_inline): Same.
2743 (copy_tree_r): Same.
2744 * tree-optimize.c (execute_free_cfg_annotations): Same.
2745 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2746 (vect_align_data_ref): Same.
2747 (vect_create_data_ref_ptr): Same.
2748 (vect_init_vector): Same.
2749 (vect_create_epilog_for_reduction): Same.
2750 (vectorizable_reduction): Same.
2751 (vectorizable_assignment): Same.
2752 (vectorizable_operation): Same.
2753 (vectorizable_store): Same.
2754 (vectorizable_load): Same.
2755 (vectorizable_live_operation): Same.
2756 (vectorizable_condition): Same.
2757 (vect_generate_tmps_on_preheader): Same.
2758 (vect_create_cond_for_align_checks): Same.
2759 * tree-object-size.c (collect_object_sizes_for): Same.
2760 (check_for_plus_in_loops_1): Same.
2761 (check_for_plus_in_loops): Same.
2762 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2763 (replace_use_variable): Same.
2764 (check_replaceable): Same.
2765 (rewrite_trees): Same.
2766 (identical_copies_p): Same.
2767 (insert_backedge_copies): Same.
2768 * tree-profile.c (tree_gen_edge_profiler): Same.
2769 * tree-vect-generic.c (expand_vector_operations_1): Same.
2770 * tree-ssa-structalias.c (update_alias_info): Same.
2771 (find_func_aliases): Same.
2772 * tree-cfg.c (factor_computed_gotos): Same.
2774 (make_goto_expr_edges): Same.
2775 (tree_merge_blocks): Same.
2776 (remove_useless_stmts_cond): Same.
2777 (remove_useless_stmts_1): Same.
2778 (tree_find_edge_insert_loc): Same.
2779 (verify_expr): Same.
2780 (gimplify_val): Same.
2781 (verify_gimple_tuples_1): New.
2782 (verify_gimple_tuples): New.
2783 (verify_stmts): Call verify_gimple_tuples.
2784 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2785 (get_unary_op): Same.
2786 (linearize_expr): Same.
2787 (get_single_immediate_use): Same.
2788 (negate_value): Same.
2789 (should_break_up_subtract): Same.
2790 (break_up_subtract): Same.
2791 (repropagate_negates): Same.
2792 (break_up_subtract_bb): Same.
2793 (reassociate_bb): Same.
2794 * config/i386/i386.c (ix86_va_start): Same.
2795 (ix86_gimplify_va_arg): Same.
2796 * stmt.c (expand_expr_stmt): Same.
2797 (warn_if_unused_value): Same.
2798 (expand_return): Same.
2799 * tree-ssanames.c (make_ssa_name): Same.
2800 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2801 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2802 (add_virtual_operand): Same.
2803 (get_expr_operands): Same.
2804 (parse_ssa_operands): Same.
2805 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2807 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2809 * config.host: Remove extra blank line.
2811 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2813 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2814 target is also an x86 variant.
2816 2006-12-05 Richard Guenther <rguenther@suse.de>
2818 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2819 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2820 (ix86_builtin_vectorized_function): New function to vectorize
2823 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2825 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2826 ia64_override_options.
2828 2006-12-04 Jan Hubicka <jh@suse.cz>
2830 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2833 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2835 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2836 * config/bfin/bfin.c: Include "timevar.h".
2837 (bfin_flag_schedule_insns2, splitting_for_sched,
2838 bfin_flag_var_tracking): New variables.
2839 (print_operand): Handle '%!'.
2840 (override_options): Disable normal sched2 pass, instead set
2841 bfin_flag_schedule_insns2 for reorg to handle it.
2842 (output_file_start): Likewise for var-tracking.
2843 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2844 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2846 (bfin_reorg): Do second scheduling pass here, and call
2847 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2848 of examining insns directly. If bfin_flag_var_tracking, call
2849 var-tracking pass when done with everything else.
2850 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2851 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2852 (movsi_insn32): New pattern, with two new splits to create it
2853 before the final scheduling pass.
2854 (neghi2): Not a dsp32 insn, rather alu0.
2855 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2856 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2857 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2858 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2859 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2860 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2861 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2862 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2863 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2864 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2865 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2866 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2867 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2868 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2869 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2870 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2871 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2872 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2873 variants instead of ';'.
2874 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2875 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2876 (align8, align16, align24): Now named patterns; also using '%!'.
2879 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2881 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2882 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2884 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2886 * config/spu/spu-protos.c (spu_split_address): Add.
2887 * config/spu/spu.c (spu_split_address): Add.
2888 (print_operand): Handle HIGH.
2889 (spu_legitimate_address): Don't test for aligned CONST.
2890 (spu_expand_mov): Don't split addresses here.
2891 * config/spu/constraints.md (A): Don't test legitimate_const.
2892 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2893 (ceq_di): Use correct predicates.
2895 2006-12-04 Eric Christopher <echristo@apple.com>
2897 * config/darwin.h: Update copyright notice.
2898 * config/i386/darwin.h: Ditto.
2900 2006-12-04 Jan Hubicka <jh@suse.cz>
2902 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2903 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2905 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2907 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2909 * tree-ssa-structalias.c (set_used_smts): Export.
2910 (find_what_p_points_to): Don't call set_used_smts here.
2911 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2913 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2915 * tree-ssa-alias.c (compute_may_aliases):
2916 Compute flow sensitive before flow insensitive.
2917 (compute_flow_sensitive_aliasing): Don't try to add
2918 a symbol memory tag to itself.
2920 * alias.h (alias_set_subset_of): New prototype.
2922 * alias.c (alias_set_subset_of): New function.
2924 * tree-ssa-structalias.c: Update comments.
2925 (struct variable_info): Add finished_solution.
2926 (new_varinfo): Set finished solution to NULL.
2927 (var_escaped_vars): Remove.
2928 (escaped_vars_tree): Remove.
2929 (escaped_vars_id): Remove.
2930 (nonlocal_vars_id): Remove.
2931 (constraint_expr_type): Add INCLUDES.
2932 (graph_size): Removed.
2933 (dump_constraint): Support INCLUDES.
2934 (build_constraint_graph): Ditto.
2935 (collapse_nodes): Add merge_solutions argument.
2936 Don't merge attributes.
2937 (process_unification_queue): Just use collapse_nodes.
2938 (perform_var_substitution): Update call to collapse_nodes.
2939 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2940 (process_constraint): Fix non-field sensitive handling
2942 (get_constraint_for): Use INCLUDES.
2943 (make_constraint_from_anything): Renamed from
2944 make_constraint_from_escaped.
2945 (make_constraint_to_escaped): Removed.
2946 (find_global_initializers): Removed.
2947 (create_variable_info_for): Do not make constraints to escaped
2949 (dump_solution_for_var): Don't print out the equivalent points-to
2950 sets, just use the name of the variable it shares it with.
2951 (intra_create_variable_infos): Use INCLUDES.
2952 Change nonlocal variable sets to anything sets.
2953 (init_base_vars): Remove escaped_vars and nonlocal_var
2955 (find_escape_constraints): Removed.
2956 (delete_points_to_sets): Remove dead code.
2957 (used_smt_calculated): New variable.
2958 (set_used_smts): New function.
2959 (merge_smts_into): New function.
2960 (find_what_p_points_to): Modify to use SMTs.
2961 (create_nonlocal_var): Remove.
2963 * tree-ssa-operands.c (access_can_touch_variable): Remove
2964 reference to nonlocal_all.
2966 * tree-ssa.c (verify_name_tags): Remove.
2968 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2970 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2971 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2973 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2975 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2976 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2977 (add_livein_if_notdef): Delete.
2978 (loe_visit_block): New. Propogate live on entry info for a block into
2979 each predecessor. If it changes, make sure it is visited again.
2980 (live_worklist): Visit every block and update the live on entry info
2981 for preds. Iterate over any that changed.
2982 (set_var_live_on_entry): Populate the live on entry blocks with bits
2983 based on the immediate uses of a var.
2984 (calculate_live_on_entry): Remove.
2985 (calculate_live_on_exit): Calculate live on exit based on the newly
2986 oriented live on entry bits.
2987 (calculate_live_ranges): Build live on entry and exit vectors.
2988 (dump_live_info): Use new orientation of live on entry bitmaps.
2989 (verify_live_on_entry): New. Split out verification code from old
2990 calculate_live_on_entry routine.
2991 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2992 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2993 basic_block instead of for a partition.
2994 (live_merge_and_clear): Add asserts.
2995 (make_live_on_entry): Set partition bit in basic block vector.
2997 2006-12-04 Jakub Jelinek <jakub@redhat.com>
3000 * omp-low.c (expand_omp_for_static_nochunk,
3001 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3005 * omp-low.c (determine_parallel_type): Don't try to optimize combined
3006 parallels if region->exit or region->inner->exit is NULL.
3007 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3009 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3010 (expand_omp_for): Use expand_omp_for_generic if either region->cond
3011 or region->exit is NULL.
3012 (expand_omp_sections): Handle NULL region->cond or region->exit.
3015 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3017 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3018 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3020 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
3022 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3023 TYPE_MAX_VALUE for scalar types here but...
3024 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3025 is attached an error mark, and the return value of the callback
3026 if it is not NULL_TREE.
3028 2006-12-04 Ben Elliston <bje@au.ibm.com>
3030 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3032 2006-12-03 Eric Christopher <echristo@apple.com>
3035 * config/t-slibgcc-darwin: Pass -install_name.
3036 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3037 libtool. Only pass through options that the linker recognizes.
3038 (LINK_SPEC): Update comment. Translate options.
3039 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3040 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3042 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3044 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3046 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3049 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3050 operands[1] in insn constraint. Correct type attribute to sselog1.
3052 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3055 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3057 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3058 processor detection.
3060 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3061 -march=native if there is no -mtune=*.
3063 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3066 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3068 * doc/install.texi: Update recommended MPFR version. Remove
3069 obsolete reference to cumulative patch.
3071 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3074 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3076 2006-11-30 Jan Hubicka <jh@suse.cz>
3077 Uros Bizjak <ubizjak@gmail.com>
3079 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3080 32bit memcpy/memset decriptors.
3081 (decide_alg): With -minline-all-stringops and sizes that are best
3082 to be copied via libcall still work hard enough to pick non-libcall
3085 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3087 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3089 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3090 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3091 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3092 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3093 config/spu/spu-c.c, config/spu/spu-modes.def,
3094 config/spu/spu.c, config/spu/spu.md,
3095 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3096 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3097 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3098 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3099 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3100 spelling conventions.
3102 * config/i386/i386.c: Fix a comment typo.
3104 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3106 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3107 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3108 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3109 better optimization.
3110 (floatv4siv4sf2): New.
3111 (fix_truncv4sfv4si2): New.
3112 (floatunsv4siv4sf2): New.
3113 (fixuns_truncv4sfv4si2): New.
3121 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3122 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3123 spu_resolve_overloaded_builtin instead of static inline functions.
3125 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3127 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3128 type instead of the size of its mode to compute the highest and
3129 lowest possible values. Still check the size of the mode before
3130 flipping the signedness of the comparison.
3132 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3134 * config/spu/predicates.md (spu_mov_operand): Add.
3135 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3136 (print_operand_address, print_operand): Handle addresses containing AND.
3137 (spu_split_load, spu_split_store): Use updated movti pattern.
3138 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3139 stores in mov patterns for correct operation of reload.
3140 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3142 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3145 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3147 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3149 * common.opt (ftree-combine-temps): Remove.
3150 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3151 (coalesce_ssa_name): Don't check for combine-temps.
3152 (coalesce_vars): Remove.
3153 (check_replaceable): Use num_imm_uses.
3154 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3155 check for combine-temps.
3156 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3157 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3158 to register_ssa_partition calls.
3159 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3160 (init_var_map, delete_var_map): remove refernces to ref_count.
3161 (create_ssa_var_map): Never calculate a ref count.
3162 (type_var_init): Remove.
3163 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3164 (SSA_VAR_MAP_REF_COUNT): Delete.
3165 (create_ssa_var_map): Change Prototype to have no parameters.
3166 (version_ref_count): Delete.
3167 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3169 (type_var_num, type_var, type_var_first_partition,
3170 type_var_next_partition, type_var_dump, type_var_delete,
3171 type_var_remove_partition, type_var_find, type_var_compact,
3172 type_var_decompact): Remove.
3174 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3176 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3179 2006-12-01 Richard Guenther <rguenther@suse.de>
3182 * dwarf2out.c (struct pubname_struct): Make name const.
3183 (add_pubtype): Do not xstrdup identifiers.
3185 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3187 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3188 multiword accesses are in range.
3190 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3192 PR tree-optimization/29921
3193 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3194 (set_lattice_value): Use canonicalize_float_value.
3196 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3198 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3199 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3200 (spu_cpu_cpp_builtins): Remove.
3201 (spu_override_options): Don't set warn_main.
3202 (spu_force_reg): Move from spu-c.c.
3203 (spu_check_builtin_parm): Likewise.
3204 (expand_builtin_args): Likewise.
3205 (spu_expand_builtin_1): Likewise.
3206 (spu_expand_builtin): Likewise.
3207 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3208 warn_main and targetm.resolve_overloaded_builtin.
3209 * config/spu/spu-c.c (spu_builtin_range): Remove.
3210 (spu_check_builtin_parm): Remove.
3211 (expand_builtin_args): Remove.
3212 (spu_expand_builtin_1): Remove.
3213 (spu_expand_builtin): Remove.
3214 (spu_cpu_cpp_builtins): Moved from spu.c
3215 (spu_force_reg): Remove.
3217 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3218 David Edelsohn <edelsohn@gnu.org>
3221 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3222 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3223 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3224 HARD_REGNO_NREGS_WITH_PADDING): Define.
3225 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3226 HARD_REGNO_NREGS_WITH_PADDING): Define.
3227 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3228 Use new macros to detect modes with holes; do not look at integer
3230 (subreg_offset_representable_p): Check for and disallow cases
3231 where the modes use different numbers of bits from registers.
3232 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3233 constant for soft-float.
3234 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3236 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3237 in E500 double case.
3238 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3239 (movtf_softfloat): New.
3241 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3243 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3244 simplify_gen_subreg.
3246 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3248 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3249 (COALESCE_HASH_FN): New. Define hash function.
3250 (partition_pair_map_hash): New. Hash value for a partition pair.
3251 (partition_pair_map_eq): New. Equality for hash pairs.
3252 (create_coalesce_list): Create hash table.
3253 (delete_coalesce_list): Free hash table.
3254 (find_partition_pair): Find/create pairs in hash table.
3255 (compare_pairs): Sort pairs in ascending order now.
3256 (num_coalesce_pairs): New. Number of pairs in hash table.
3257 (struct partition_pair_iterator): Iterator struct for pair table.
3258 (first_partition_pair): Iterator function for first pair.
3259 (end_partition_pair_p): Iterator function for end of iteration.
3260 (next_partition_pair): Iterator function for next pair.
3261 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3262 (sort_coalesce_list): Sort pairs from hash table into an array.
3263 (pop_best_coalesce): Take pairs from the array.
3264 (dump_coalesce_list): Update to use hash table or sorted array.
3265 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3266 (struct coalesce_list_d): Add hash table related fields.
3268 2006-11-30 Jan Hubicka <jh@suse.cz>
3271 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3272 memmove/bcopy->memcpy conversion.
3274 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3276 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3277 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3278 Default is the largest alignment supported for 32-bit ELF and
3279 representable on a 32-bit host.
3281 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3283 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3285 2006-11-30 Jan Hubicka <jh@suse.cz>
3287 * tree-ssa-operands.h (struct ssa_operands): New.
3288 * tree-flow-inline.h (gimple_ssa_operands): New function.
3289 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3290 * Makefile.in: Remove gt-tree-ssa-operands.h
3291 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3292 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3293 operand_memory, operand_memory_index, ops_active): Remove statics.
3294 (ALLOC_OPTYPE): Update.
3295 (operand_build_sort_virtual): Update.
3296 (ssa_operands_active): Update.
3297 (init_ssa_operands): Update.
3298 (fini_ssa_operands): Update.
3299 (ssa_operand_alloc): Update.
3300 (INITIALIZE_USE): Update.
3301 (finalize_ssa_use_ops): Update.
3302 (finalize_ssa_v_may_def_ops): Update.
3303 (finalize_ssa_vuse_ops): Update.
3304 (finalize_ssa_v_must_def_ops): Update.
3306 2006-11-30 Richard Guenther <rguenther@suse.de>
3308 * tree-vectorizer.h (vectorizable_function): Export.
3309 * tree-vect-transform.c (vectorizable_function): Likewise.
3310 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3311 type_in to scalar type in recognition of squaring.
3312 Make sure the target can vectorize sqrt in recognition
3313 of sqrt, set type_in to vector type in this case.
3315 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3317 * config/i386/i386.md (R10_REG): New constant.
3318 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3319 (ix86_emit_restore_regs_using_mov): Ditto.
3320 (ix86_expand_call): Ditto.
3321 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3323 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3325 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3326 * alias.c (canon_true_dependence): Update comment.
3328 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3330 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3331 at the end of a diagnostics message.
3333 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3334 until after asserting that it was allocated in the right pool.
3336 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3337 successor edge information as well. Make output of live regs
3338 on exit consistent with live regs on entry.
3340 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3343 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3344 insn patterns for TARGET_80387.
3345 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3346 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3347 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3348 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3349 Generate truncxf<mode>2 insn patterns for strict SSE math.
3351 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3353 * config/i386/i386.md (movsf_1): Enable pattern for standard
3354 80387 constants before reload when optimizing for size.
3355 (*movdf_nointeger, *movdf_integer): Ditto.
3356 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3357 80387 constants before reload when not optimizing for size.
3359 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3360 extension of XFmode input operands.
3362 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3364 * config/spu/crt0.c (__dso_handle): Define.
3366 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3368 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3369 when clearing the used flags.
3371 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3373 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3375 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3378 * config/spu/spu.md (extend_compare<mode>): New pattern.
3379 (extend_compare): Change to expand and use the above pattern.
3381 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3383 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3385 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3386 (DFP_INIT_ROUNDMODE): Define.
3387 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3388 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3390 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3392 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3393 Update documentation.
3394 (associate_line_notes_with_blocks): Kill.
3395 (extend_bb): Remove basic block argument, put void instead.
3396 Remove line number handling for each bb.
3397 (save_line_notes): Kill.
3398 (restore_line_notes): Kill.
3399 (sched_init): Remove line_note_head initialization.
3400 Change extend_bb call.
3401 (sched_finish): Remove free of line_note_head.
3402 (add_block): Change extend_bb call.
3403 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3404 rm_line_notes and restore_line_notes calls.
3405 (schedule_ebbs): Remove rm_redundant_line_notes.
3406 * sched-int.h (struct haifa_insn_data): Remove line_note.
3407 (save_line_notes): Remove declaration.
3408 (restore_line_notes): Remove declaration.
3409 * modulo-sched.c (loop_canon_p): Update debug info printing
3410 by using insn locators instead of line note.
3411 (sms_schedule): Update debug info printing, by using insn
3412 locators instead of line note.
3413 * sched-rgn.c (debug_dependencies): Remove handling of case
3414 n>0 (line number), since it's a dead code.
3415 (schedule_region): Remove save_line_notes and
3416 restore_line_notes calls.
3418 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3420 * config/rs6000/predicates.md (gpc_reg_operand): Check
3421 invalid_e500_subreg.
3422 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3423 SImode subregs of SPE vectors.
3424 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3425 * jump.c (true_regnum): Require subregs to satisfy
3426 subreg_offset_representable_p.
3428 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3429 Steven Bosscher <stevenb.gcc@gmail.com>
3431 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3432 since it no longer exists.
3434 2006-11-29 Duncan Sands <baldrick@free.fr>
3436 PR tree-optimization/23744
3437 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3439 2006-11-29 Duncan Sands <baldrick@free.fr>
3441 PR tree-optimization/23744
3442 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3444 2006-11-29 Duncan Sands <baldrick@free.fr>
3446 PR tree-optimization/23744
3447 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3449 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3451 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3453 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3455 * sh.opt (minline-ic_invalidate): New option.
3456 (musermode): Adjust comment.
3457 * sh.c (sh_initialize_trampoline): Emit library call unless
3458 is set; if it is set, don't emit library call if we can use icbi
3460 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3461 icbi for TARGET_SH4_300.
3462 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3463 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3464 -musermode documentation.
3466 2006-11-29 Jim Tison <jtison@us.ibm.com>
3468 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3469 __gthread_recursive_mutex_init): Define.
3471 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3473 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3474 STRICT_ALIGNMENT and the type is more aligned than the saved
3475 registers, copy via a temporary.
3477 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3480 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3483 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3485 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3487 2006-11-28 Jan Hubicka <jh@suse.cz>
3489 Privatize SSA variables into gimple_df.
3490 * tree-flow-inline.h
3491 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3492 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3493 gimple_nonlocal_all): New accessors.
3494 (first_referenced_var): Update.
3495 (mark_stmt_modified): Update.
3496 (is_call_clobbered): Update.
3497 (mark_call_clobbered): Update.
3498 (clear_call_clobbered): Update.
3499 (mark_non_addressable): Update.
3500 * tree-vrp.c (get_value_range): Update.
3501 * tree-into-ssa.c (in_ssa_p): Kill.
3502 (get_default_def_for): Update.
3503 (rewrite_into_ssa): Update.
3504 * tree-complex.c (init_parameter_lattice_values): Update.
3505 (update_complex_assignment): Update.
3506 (update_parameter_components): Update.
3507 (expand_complex_libcall): Update.
3508 (expand_complex_operations_1): Update.
3509 * tree-tailcall.c (arg_needs_copy_p): Update.
3510 (add_virtual_phis): Update.
3511 (tree_optimize_tail_calls_1): Update.
3512 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3513 * tree-ssa-copyrename.c
3514 (copy_rename_partition_coalesce): Update.
3515 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3516 * tree-ssa-propagate.c (set_rhs): Update.
3517 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3518 addressable_vars, global_var):Kill.
3519 (set_initial_properties): Update.
3520 (init_alias_info): Update.
3521 (finalize_ref_all_pointers): Update.
3522 (setup_pointers_and_addressables): Update.
3523 (maybe_create_global_var): Update.
3524 (create_global_var): Update.
3525 (dump_points_to_info): Update.
3526 * function.h (struct gimple_df): Forward declare.
3527 (struct function): Add GIMPLE_DF field.
3528 * gimplify.c (force_gimple_operand): Update.
3529 * tree-dfa.c (referenced_vars, default_defs): KIll.
3530 (make_rename_temp): Update.
3531 (dump_variable): Update.
3532 (referenced_var_lookup): Update.
3533 (referenced_var_check_and_insert): Update.
3534 (default_def): Rename to ...
3535 (gimple_default_def): ... this one; accept cfun argument.
3536 (set_default_def): Update.
3537 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3538 (cleanup_control_flow): Update.
3539 * tree-ssa-pre.c (compute_avail): Update
3540 * tree-ssa-live.c (calculate_live_on_entry): Update.
3541 * tree-ssa.c (verify_use): Update.
3542 (verify_call_clobbering): Update.
3543 (verify_call_clobbering): Update.
3544 (init_tree_ssa): Update.
3545 (delete_tree_ssa): Update.
3546 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3547 (rewrite_out_of_ssa): Update.
3548 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3549 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3551 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3552 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3553 addressable_vars, aliases_computed_p): Kill.
3554 (default_def): Rename to...
3555 (gimple_default_def): ... this one.
3556 (defaule_def_fn): Kill.
3557 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3558 * tree-ssa-structalias.c (nonlocal_all): Kill.
3559 (get_constraint_exp_from_ssa_var): Update.
3560 (create_nonlocal_var): Update.
3561 (get_constraint_for): Update.
3562 (update_alias_info): Update.
3563 (find_global_initializers): Update.
3564 (intra_create_variable_infos): Update.
3565 (intra_create_variable_infos):
3566 (find_what_p_points_to): Update.
3567 (init_alias_heapvars): Update.
3568 * tree-cfg.c (remove_bb): Update.
3569 (gimplify_val): Update.
3570 * tree-ssa-reassoc.c (get_rank): Update.
3571 (init_reassoc): Update.
3572 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3573 (ssa_names, free_ssanames): Kill.
3574 (init_ssanames): Update.
3575 (make_ssa_name): Update.
3576 (release_ssa_name): Update.
3577 (release_defs): Update.
3578 (replace_ssa_name_symbol): Update.
3579 * tree-ssa-operands.c (access_can_touch_variable): Update.
3580 (add_virtual_operand): Update.
3581 (add_call_clobber_ops): Update.
3582 (add_call_read_ops): Update.
3583 (get_call_expr_operands): Update.
3584 (get_asm_expr_operands): Update.
3586 2006-11-28 Jan Hubicka <jh@suse.cz>
3588 * builtins.c: Include tree-flow.h.
3589 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3590 assignment; convert memmove to memcpy for sizes greater than 1 where
3591 alignment of operands prohibit the partial overlap.
3593 2006-11-28 Jan Hubicka <jh@suse.cz>
3595 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3596 * cgraph.c (dump_cgraph_node): Dump stack usage.
3597 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3598 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3599 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3600 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3601 (cgraph_check_inline_limits): Limit stack growth.
3602 * cfgexpand.c: Include tree-inline.h.
3603 (account_stack_vars): New function.
3604 (expand_one_var): New param to just account the stack; return estimated
3606 (expand_used_vars_for_block): Update call of expand_one_var.
3607 (account_used_vars_for_block): New function.
3608 (estimated_stack_frame_size): Likewise.
3609 (init_vars_expansion, fini_vars_expansion): Break out from..
3610 (expand_used_vars): ... here.
3611 * tree-inline.h (estimated_stack_frame_size): Declare.
3612 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3614 2006-11-28 Richard Guenther <rguenther@suse.de>
3616 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3617 unsigned long for printing OBJECT_SIZE.
3619 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3621 * alias.c (init_alias_analysis): Remove simplification loop
3622 after propagating pointers.
3624 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3626 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3629 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3631 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3633 2006-11-27 Roger Sayle <roger@eyesopen.com>
3634 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3636 * c-common.c (constant_fits_type_p): Delete.
3637 (unsigned_conversion_warning): Delete.
3638 (conversion_warning): Integrate Wconversion warning from
3639 unsigned_conversion_warning.
3640 (convert_and_check): Integrate Woverflow warning from
3641 unsigned_conversion_warning. Reorganize and simplify to avoid
3642 dependence upon the middle-end setting TREE_OVERFLOW on integral
3643 conversions, by using int_fits_type_p directly.
3645 2006-11-27 Tobias Burnus <burnus@net-b.de>
3647 * doc/invoke.texi: Fixed typo.
3649 2006-11-27 Michael Matz <matz@suse.de>
3650 Andreas Krebbel <krebbel1@de.ibm.com>
3653 * config/s390/predicates.md (larl_operand): Check addend of larl
3654 operand to be in range of -/+2GB.
3655 * config/s390/s390.c (legitimize_pic_address): Likewise.
3656 Changed type of variable even to HOST_WIDE_INT.
3658 2006-11-27 Jan Hubicka <jh@suse.cz>
3660 * expr.c (emit_block_move_via_libcall): Export.
3661 (clear_storage_via_libcall): Rename to ...
3662 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3663 (clear_storage): Update to set_storage_via_libcall.
3664 * expr.h (emit_block_move_via_libcall): Declare
3665 * config/i386/i386.h (stringop_alg): New enum.
3666 (MAX_STRINGOP_ALGS): New constant.
3667 (stringop_algs): New struct.
3668 (processor_costs): Add memcpy/memset descriptors.
3669 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3670 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3671 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3673 * config/i386/i386.opt (minline-stringops-dynamically,
3674 mstringop-strategy): New
3676 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3677 (ix86_expand-clrmem): Rename to ...
3678 (ix86_expand_setmem): ... this one; update prototype.
3679 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3680 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3681 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3682 nocona_cost, core2_cost, generic_cost, generic64_cost,
3683 generic32_cost): Add memcpy/memset descriptors.
3684 (x86_rep_movl_optimal): Remove.
3685 (stringop_alg): New static variable.
3686 (ix86_expand_aligntest): Handle predictions.
3687 (override_options): Add strgop_alg handling.
3688 (predict_jump): New function.
3689 (scale_counter): New function.
3690 (expand_set_or_movmem_via_loop): New function.
3691 (expand_movmem_via_rep_mov): New function.
3692 (expand_setmem_via_rep_stots): New function.
3693 (emit_strmov): New function.
3694 (expand_movmem_epilogue): New function.
3695 (expand_setmem_epilogue_via_loop): New function.
3696 (expand_setmem_epilogue): New function.
3697 (expand_movmem_prologue): New function.
3698 (expand_setmem_prologue): New function.
3699 (decide_alg): New function.
3700 (decide_alignment): New function.
3701 (ix86_exand_movmem): Rewrite.
3702 (promote_duplicated_reg): New function.
3703 (ix86_expand_clrmem): Rename to ...
3704 (ix86_expand_setmem): ... this one. Rewrite.
3706 * invoke.texi (minline-stringops-dynamically): New command line option.
3707 (mstringop-strategy): Likewise.
3709 2006-11-27 Jan Hubicka <jh@suse.cz>
3711 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3712 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3713 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3714 * insn-notes.def (FUNCTION_END): Remove.
3715 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3716 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3718 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3719 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3720 * cfglayout.c (duplicate_insn_chain): Don't worry about
3723 2006-11-27 Richard Guenther <rguenther@suse.de>
3724 Zdenek Dvorak <dvorakz@suse.cz>
3726 * target.h (struct gcc_target): Add builtin_vectorized_function
3728 * target-def.h (TARGET_VECTORIZE): Likewise.
3729 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3730 Document new target hook.
3731 * targhooks.h (default_builtin_vectorized_function): Declare.
3732 * targhooks.c (default_builtin_vectorized_function): Define.
3733 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3734 (vectorizable_call): Declare.
3735 * tree-vect-analyze.c (vect_analyze_operations): Call
3737 * tree-vect-transform.c (vectorizable_function): New static function.
3738 (build_vectorized_function_call): Likewise.
3739 (vectorizable_call): New function.
3740 (vect_transform_stmt): Handle vectorizable calls.
3742 2006-11-27 Richard Guenther <rguenther@suse.de>
3745 * builtins.c (expand_builtin_pow): Optimize non integer valued
3746 constant exponents using sqrt or cbrt if possible. Always fall back
3747 to expanding via optabs.
3749 2006-11-27 Ira Rosen <irar@il.ibm.com>
3751 PR tree-optimization/22372
3752 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3753 the type of the base address.
3754 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3755 it in the data-ref pointer creation.
3756 (vect_init_vector): Add an argument, type of the init vector. Use it in
3758 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3759 (get_initial_def_for_reduction): Likewise.
3760 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3762 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3763 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3764 correct type in stmt creation.
3765 (vect_setup_realignment): Use the correct type in stmt creation.
3766 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3768 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3769 of MODIFY_EXPR to void_type_node.
3770 (vectorizable_condition): Change type of MODIFY_EXPR to
3772 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3775 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3778 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3779 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3780 standard 80387 constants, raise the cost to prevent
3781 compress_float_constant() to generate load from memory.
3783 * config/i386/i386.md: Add new splitter pattern to split
3784 float_extended load of constant from constant pool into
3787 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3789 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3790 section to general section. Remove documentation for
3791 --with-mpfr-dir and --with-gmp-dir, add documentation for
3792 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3795 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3797 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3799 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3801 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3803 PR tree-optimization/29122
3804 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3805 for the new version. Assign NULL to DECL_RTL of the new version.
3807 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3809 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3811 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3813 * cse.c (cse_altered): Remove.
3814 (record_jump_equiv): Make true/false argument a bool instead
3816 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3817 where appropriate. Emit a new jump before the existing one
3818 instead of after so that delete_insn_and_edges removes the
3819 dead edges properly. Check any_condjump_p before calling
3821 (cse_basic_block): Check any_condjump_p before calling
3823 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3825 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3827 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3828 -ffixed-line-length-* options.
3830 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3832 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3833 (fprem1xf4): Rename to fprem1xf4_i387.
3835 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3836 Rename patterns to fmod<mode>3. Use general_operand operand
3837 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3838 patterns for SSE math.
3839 (remaindersf3, remainderdf3): Ditto.
3841 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3843 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3844 inside start_sequence / end_sequence pair.
3846 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3848 * jump.c (mark_all_labels): Work in cfglayout mode.
3849 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3850 when in cfglayout mode, because there are no dead jumptables
3852 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3854 (commit_edge_insertions): Do not allow insertion of instructions
3855 with control flow insns when in cfglayout mode.
3857 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3859 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3861 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3862 unswitch_loop): Ditto.
3863 * tree-loop-linear.c (linear_transform_loops): Ditto.
3864 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3865 tree_ssa_lim): Ditto.
3866 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3867 free_numbers_of_iterations_estimates): Ditto.
3868 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3869 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3870 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3871 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3872 place_new_loop, duplicate_loop, duplicate_subloops,
3873 update_single_exit_for_duplicated_loops, copy_loops_to,
3874 duplicate_loop_to_header_edge, create_preheaders,
3875 force_single_succ_latches, loop_version, fix_loop_structure):
3877 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3878 tree_unroll_loop): Ditto.
3879 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3880 * tree-scalar-evolution.c (select_loops_exit_conditions,
3881 scev_initialize, scev_analysis): Ditto.
3882 * tree-scalar-evolution.h (scev_initialize): Ditto.
3883 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3884 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3885 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3886 * modulo-sched.c (sms_schedule): Ditto.
3887 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3888 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3889 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3890 * ifcvt.c (if_convert): Ditto.
3891 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3892 canonicalize_loop_induction_variables,
3893 canonicalize_induction_variables,
3894 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3895 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3896 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3897 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3898 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3899 tree_ssa_loop_done): Ditto.
3900 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3901 estimate_bb_frequencies): Ditto.
3902 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3903 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3904 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3905 decide_unrolling_and_peeling, peel_loop_completely,
3906 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3907 peel_loop_simple, unroll_loop_stupid): Ditto.
3908 * loop-doloop.c (doloop_optimize_loops): Ditto.
3909 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3910 * loop-invariant.c (move_loop_invariants): Ditto.
3911 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3912 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3913 tree_ssa_prefetch_arrays): Ditto.
3914 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3916 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3917 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3918 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3919 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3920 verify_loop_structure): Ditto.
3921 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3922 canonicalize_induction_variables, tree_unroll_loops_completely,
3923 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3924 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3925 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3926 tree_unroll_loop, linear_transform_loops): Declaration changed.
3927 * basic-block.h: Remove declaration of struct loops.
3928 * cfghooks.h (struct cfg_hooks): Change type of
3929 cfg_hook_duplicate_loop_to_header_edge.
3930 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3931 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3932 vect_transform_loop): Declaration changed.
3933 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3934 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3935 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3936 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3937 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3938 loopify, loop_version, remove_path, unswitch_loops,
3939 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3940 Declaration changed.
3942 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3944 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3945 (X87MODEF): New mode macro.
3946 (ssemodefsuffix): New mode attribute.
3947 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3948 (sqrt_extend<mode>xf2_i387): New insn pattern.
3949 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3950 insn and truncate result back to original mode using
3951 UNSPEC_TRUNC_NOOP truncation.
3952 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3953 ssemodefsuffix mode attribute.
3954 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3955 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3956 (*sqrtextenddfxf2_i387): Remove insn patterns.
3958 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3959 truncation patterns.
3961 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3963 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3966 * c-tree.h (c_maybe_initialize_eh): New prototype.
3967 * c-decl.c (finish_decl): Move EH initialization...
3968 (c_maybe_initialize_eh): ... here. New function.
3969 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3970 if not #pragma omp atomic.
3973 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3974 or UNION_TYPE inner types.
3976 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3979 * ipa-pure-const.c (check_tree): If the original tree
3980 is volatile return early and say the function is not pure
3981 nor const. Remove the volatile check for writes.
3982 (analyze_function): Print out the result of the local
3985 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3987 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3989 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3990 * config/rs6000/rs6000.c (rs6000_override_options): Use
3991 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3994 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3996 * config/s390.c (s390_emit_compare_and_swap): New function.
3997 (s390_expand_cs_hqi, s390_expand_atomic): Call
3998 s390_emit_compare_and_swap.
4000 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4002 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4004 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4008 * c-common.c (conversion_warning): New.
4009 (convert_and_check): Call conversion_warning unless there is an
4011 * doc/invoke.texi (-Wconversion): Update description.
4013 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
4015 * tree-ssa-alias.c (tree_pointer_compare): New function.
4016 (compact_name_tags): New function.
4017 (group_aliases): Call compact_name_tags.
4019 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4021 * real.h (real_isinteger): Declare.
4022 * real.c (real_isinteger): Define.
4023 * builtins.c (integer_valued_real_p): Use it.
4025 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4028 * c.opt (Wtraditional-conversion): New.
4029 (Wconversion): Update description.
4030 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4031 type conversions different from what would happen in the absence
4032 of prototype are now handled by Wtraditional-conversion.
4033 * doc/invoke.texi (Wtraditional-conversion): New.
4034 (Wconversion): Update description.
4035 * doc/trouble.texi (Wconversion): Replace Wconversion by
4036 Wtraditional-conversion.
4038 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4040 * predict.c (tree_estimate_probability): Check to make
4041 sure current_loops is non null before calling flow_loops_dump.
4043 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4045 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4047 2006-11-23 David Ung <davidu@mips.com>
4049 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4051 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4052 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4053 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4054 high part of FP register when in 64-bit FP register mode. Similarly
4055 use gen_mfhc1 to load high part of FP register.
4056 (override_options): Allow -mgp32 and -mfp64 combination if
4057 ISA_HAS_MXHC1 (currently for O32 only).
4058 (mips_cannot_change_mode_class): If floating-point registers are
4059 bigger than word size. disallow conversion of float register from a
4060 large integer mode to a float mode smaller than the float register
4062 (mips_class_max_nregs): Handle float registers case seperately.
4063 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4065 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4066 (movdf_hardfloat_32bit): Similarly.
4067 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4068 support a full 64-bit fpu.
4069 (mthc1): New pattern to generate MTHC1 instruction.
4070 (mfhc1): New pattern to generate MFHC1 instruction.
4071 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4072 option for the MIPS32R2 and mention its use under O32 ABI.
4074 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4076 * var-tracking.c (emit_note_insn_var_location): Take care not to
4077 cause verify_flow_info failures.
4079 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4081 * tree-ssa-structalias.c: Remove edge weights in favor of just
4082 processing them as complex constraints.
4083 (struct constraint_graph): Remove weighted succs and preds. Rename
4084 nonweighted succs and preds.
4085 (constraint_edge): Removed.
4086 (constraint_edge_t): Ditto.
4087 (constraint_edge_pool): Ditto.
4088 (new_constraint_edge): Ditto.
4089 (constraint_edge_equal): Ditto.
4090 (constraint_edge_less): Ditto.
4091 (constraint_edge_vec_find): Ditto.
4092 (erase_self_graph_edge): Ditto.
4093 (add_graph_edge): Removed.
4094 (get_graph_weights): Ditto.
4095 (allocate_graph_weights): Ditto.
4096 (valid_weighted_graph_edge): Ditto
4097 (bitmap_other_than_zero_bit_set): Ditto.
4098 (int_add_graph_edge): Renamed to add_graph_edge.
4099 (clear_edges_for_node): Remove support for weighted edges.
4100 (merge_graph_nodes): Ditto.
4101 (valid_graph_edge): Ditto.
4102 (build_constraint_graph): Ditto.
4104 (collapse_nodes): Ditto.
4105 (process_unification_queue): Ditto.
4106 (topo_visit): Ditto.
4107 (do_ds_constraint): Ditto.
4108 (perform_var_subsitution): Ditto.
4109 (solve_graph): Ditto.
4110 (init_alias_vars): Ditto.
4111 (delete_points_to_sets): Ditto.
4112 (do_complex_constraint): Support offsetted copies here.
4114 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4116 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4118 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4120 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4123 2006-11-23 Ben Elliston <bje@au.ibm.com>
4125 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4127 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4129 PR tree-optimization/29921
4130 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4131 signed and unsigned zero equal.
4133 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4135 * config/rs6000/rs6000.c (get_store_dest): New.
4136 (adjacent_mem_locations): Use get_store_dest() to get
4137 the rtl of the store destination.
4139 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4141 * config/rs6000/spe.md (SPE64): New mode macro.
4142 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4144 (mov_si<mode>_e500_subreg0_2): New.
4145 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4147 (mov_si<mode>_e500_subreg4_2): New.
4148 * config/rs6000/predicates.md (input_operand): Do not allow
4149 invalid E500 subregs.
4150 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4152 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4153 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4154 involving vector modes if TARGET_SPE.
4156 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4159 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4160 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4162 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4164 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4165 mem_i_address_operand): New predicates.
4166 * config/bfin/bfin.c (bfin_issue_rate): New function.
4167 (TARGET_SCHED_ISSUE_RATE): New macro.
4168 * config/bfin/bfin.md (addrtype): New attribute.
4169 (slot0, slot1, slot2, store, pregs): New cpu_units.
4170 (core): Now a define_reservation.
4171 (alu): Remove some insn types from this reservation.
4172 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4174 (dummy reservation): Don't trigger for mcld insns.
4175 (absence_sets): Two new absence sets to enforce slot ordering.
4176 (popsi_insn): Set addrtype.
4178 2006-11-22 Ira Rosen <irar@il.ibm.com>
4180 * doc/c-tree.texi: Document new tree codes.
4181 * doc/md.texi: Document new optabs.
4182 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4184 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4185 * optabs.h (optab_index): Add new.
4186 (vec_extract_even_optab, vec_extract_odd_optab,
4187 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4188 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4189 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4191 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4192 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4193 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4194 along with macros for their access.
4195 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4197 * tree-vect-analyze.c (toplev.h): Include.
4198 (vect_determine_vectorization_factor): Fix indentation.
4199 (vect_insert_into_interleaving_chain,
4200 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4201 (vect_analyze_data_ref_dependence): Add argument for interleaving
4202 check. Check for interleaving if it's true.
4203 (vect_check_dependences): New function.
4204 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4205 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4206 (vect_update_misalignment_for_peel): Update for interleaving.
4207 (vect_verify_datarefs_alignment): Check only first data-ref for
4209 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4210 only first data-ref for interleaving.
4211 (vect_analyze_data_ref_access): Check interleaving, update
4213 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4214 with different parameters.
4215 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4216 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4217 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4218 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4219 Update step in case of interleaving.
4220 (vect_strided_store_supported, vect_permute_store_chain): New
4222 (vectorizable_store): Handle strided stores.
4223 (vect_strided_load_supported, vect_permute_load_chain,
4224 vect_transform_strided_load): New functions.
4225 (vectorizable_load): Handle strided loads.
4226 (vect_transform_stmt): Add argument. Handle strided stores. Check
4227 that vectorized stmt exists for patterns.
4228 (vect_gen_niters_for_prolog_loop): Update calculation for
4230 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4231 whole chain vectorization.
4232 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4233 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4234 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4235 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4236 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4238 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4240 * cse.c (enum taken): Remove PATH_AROUND.
4241 (addr_affects_sp_p, invalidate_skipped_set,
4242 invalidate_skipped_block): Remove.
4243 (cse_end_of_basic_block): Remove skip_blocks and related code.
4244 (cse_main): Don't test for flag_cse_skip_blocks.
4245 Update cse_end_of_basic_block call.
4246 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4247 code to lengthen the path if a jump was simplified.
4249 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4251 PR rtl-optimization/29924
4252 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4253 (unroll_loop_runtime_iterations): Assert that the argument passed to
4254 split_edge_and_insert is not NULL.
4255 * loop-doloop.c (add_test): Ditto.
4257 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4259 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4261 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4262 * cfgloopmanip.c (update_single_exits_after_duplication,
4263 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4264 * tree-scalar-evolution.c (get_loop_exit_condition,
4265 get_exit_conditions_rec, loop_closed_phi_def,
4266 number_of_iterations_in_loop, scev_const_prop): Ditto.
4267 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4268 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4270 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4272 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4273 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4274 slpeel_make_loop_iterate_ntimes,
4275 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4276 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4278 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4279 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4280 vect_analyze_loop_form): Ditto.
4281 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4282 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4283 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4284 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4285 vect_transform_loop): Ditto.
4286 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4287 (single_exit, set_single_exit): New functions.
4288 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4289 (single_exit, set_single_exit): Declare.
4290 * doc/loop.texi: Undocument single_exit field. Document single_exit
4293 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4295 PR tree-optimization/29902
4296 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4297 any involved ssa name appears in abnormal phi node.
4299 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4301 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4302 (xtensa_const_ok_for_letter_p): Delete.
4303 (xtensa_extra_constraint): Delete.
4304 (override_options): Delete xtensa_char_to_class initialization.
4305 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4306 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4307 (EXTRA_CONSTRAINT): Delete.
4308 * config/xtensa/xtensa.md: Include constraints.md.
4309 (call_internal): Combine alternatives.
4310 (call_value_internal): Likewise, and remove invalid constraints.
4311 * config/xtensa/constraints.md: New file.
4312 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4313 (xtensa_extra_constraint): Delete.
4314 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4317 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4319 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4320 of conversion that doesn't fit.
4322 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4323 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4324 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4326 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4328 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4330 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4332 2006-11-21 Richard Guenther <rguenther@suse.de>
4334 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4335 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4336 vect_recog_pow_pattern.
4337 (vect_recog_pow_pattern): New function.
4339 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4341 * config/bfin/bfin.opt (mstack-check-l1): New.
4342 * doc/invoke.texi (Blackfin Options): Document it.
4343 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4344 stack bounds in L1 memory if the new option is enabled.
4345 (override_options): Don't allow combinations of -fstack-limit and
4347 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4350 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4352 (bfin_register_move_cost): Bump costs if trying to move plain
4353 integer values through accumulators.
4355 2006-11-21 Ben Elliston <bje@au.ibm.com>
4357 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4359 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4360 Russell Olsen <Russell_Olsen@playstation.sony.com>
4361 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4362 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4363 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4364 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4365 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4367 * config.gcc: Add target for SPU.
4368 * config/spu/constraints.md: New file.
4369 * config/spu/crt0.c: New file.
4370 * config/spu/crtend.c: New file.
4371 * config/spu/crti.asm: New file.
4372 * config/spu/crtn.asm: New file.
4373 * config/spu/float_unsdidf.c: New file.
4374 * config/spu/float_unssidf.c: New file.
4375 * config/spu/predicates.md: New file.
4376 * config/spu/spu-builtins.def: New file.
4377 * config/spu/spu-builtins.h: New file.
4378 * config/spu/spu-builtins.md: New file.
4379 * config/spu/spu-c.c: New file.
4380 * config/spu/spu-elf.h: New file.
4381 * config/spu/spu-modes.def: New file.
4382 * config/spu/spu-protos.h: New file.
4383 * config/spu/spu.c: New file.
4384 * config/spu/spu.h: New file.
4385 * config/spu/spu.md: New file.
4386 * config/spu/spu.opt: New file.
4387 * config/spu/spu_internals.h: New file.
4388 * config/spu/spu_intrinsics.h: New file.
4389 * config/spu/spu_mfcio.h: New file.
4390 * config/spu/t-spu-elf: New file.
4391 * config/spu/vec_types.h: New file.
4392 * config/spu/vmx2spu.h: New file.
4393 * doc/contrib.texi: Document SPU contributor.
4394 * doc/extend.texi: Document SPU extensions.
4395 * doc/invoke.texi: Document SPU options.
4396 * doc/md.texi: Document SPU constraints.
4398 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4400 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4402 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4404 (flow_loop_dump): Do not dump loop level.
4405 (flow_loops_find): Do not call flow_loops_level_compute.
4406 * cfgloop.h (struct loop): Remove level field.
4408 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4410 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4411 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4412 Use vector of edges instead of array.
4413 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4414 estimate_numbers_of_iterations_loop): Ditto.
4415 * predict.c (predict_loops): Ditto.
4416 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4417 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4419 * basic-block.h: Declare heap allocation for edge vectors.
4420 * tree-outof-ssa.c: Ditto.
4421 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4422 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4424 2006-11-20 Zack Weinberg <zackw@panix.com>
4426 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4427 Add another out parameter, "skip".
4428 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4429 is tagged "skip", do not mark its type used.
4431 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4434 * tree-sra.c (single_scalar_field_in_record_p): New function.
4435 (decide_block_copy): Use it.
4437 2006-11-20 David Daney <ddaney@avtrex.com>
4439 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4440 PC to point to following instruction.
4442 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4446 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4448 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4450 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4452 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4453 Add sh/superh.h to tm_file.
4455 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4456 Mark Mitchell <mark@codesourcery.com>
4458 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4460 (cpp_relocated): New function.
4461 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4463 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4464 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4465 replace configured prefix with gcc_exec_prefix.
4467 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4469 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4470 bfin_legitimate_constant_p.
4471 * config/bfin/bfin.md (movsi expander): Check return value of
4473 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4474 (expand_move): Adjust prototype.
4475 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4476 invalid constants specially.
4477 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4479 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4481 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4482 sibcall_value_symbol): Allow these patterns if
4483 TARGET_LEAF_ID_SHARED_LIBRARY.
4484 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4485 (override_options): Turn on id shared library flags if -msep-data,
4486 but disallow the combination of these options on the command line.
4487 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4488 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4489 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4490 -mid-shared-library.
4491 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4492 * doc/invoke.texi (Blackfin Options): Document new switches.
4494 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4495 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4497 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4498 inflate costs for addresses with an out-of-bounds address.
4500 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4503 * fwprop.c (loops): Remove.
4504 (forward_propagate_into): Use current_loops instead of
4506 (fwprop_init): Call loop_optimizer_init instead of
4508 (fwprop_done): Call loop_optimizer_finalize instead of
4510 (fwprop): Use current_loops instead of loops.
4512 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4515 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4517 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4520 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4521 larger than BITS_PER_WORD.
4523 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4527 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4528 to MAX_FIXED_MODE_SIZE.
4530 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4532 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4533 (fold_builtin_fmin_fmax): New.
4534 (fold_builtin_1): Use it.
4536 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4538 2006-11-18 Richard Guenther <rguenther@suse.de>
4540 * config/i386/i386.c (ix86_builtins): New array for ix86
4541 builtin function decls.
4542 (def_builtin): New function.
4543 (def_builtin_const): Likewise.
4544 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4546 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4548 * doc/invoke.texi (core2): Add item.
4550 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4552 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4553 (TARGET_CPU_DEFAULT_generic): Change value.
4554 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4555 (processor_type): Add new constant PROCESSOR_CORE2.
4557 * config/i386/i386.md (cpu): Add core2.
4559 * config/i386/i386.c (core2_cost): New initialized variable.
4560 (m_CORE2): New macro.
4561 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4562 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4563 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4564 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4565 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4566 x86_accumulate_outgoing_args, x86_prologue_using_move,
4567 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4568 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4569 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4570 x86_pad_returns): Add m_CORE2.
4571 (override_options): Add entries for Core2.
4572 (ix86_issue_rate): Add case for Core2.
4574 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4576 * doc/invoke.texi: Fix mno-isel typo.
4578 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4580 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4581 easy vector constant loads.
4583 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4585 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4586 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4587 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4588 * config/rs6000/sync.md (lwsync): Emit plain sync if
4591 2006-11-17 DJ Delorie <dj@redhat.com>
4593 * reload1.c (reloads_unique_chain): New.
4594 (reloads_conflict): Call it.
4596 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4598 * config/xtensa/predicates.md (addsubx_operand): New.
4599 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4600 (xtensa_emit_bit_branch): New.
4601 (xtensa_emit_movcc): New.
4602 * config/xtensa/xtensa.md (any_minmax): New code macro.
4603 (minmax): New code attribute.
4604 (any_cond, any_scc, any_scc_sf): New code macros.
4605 (*addx2, *addx4, *addx8): Delete.
4607 (*subx2, *subx4, *subx8): Delete.
4609 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4610 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4611 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4612 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4613 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4614 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4615 (movsfcc_internal0, movsfcc_internal1): Likewise.
4616 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4617 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4618 (xtensa_emit_bit_branch): New.
4619 (xtensa_emit_movcc): New.
4620 (function_arg_boundary): Add missing prototype.
4622 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4624 * config/xtensa/xtensa.md (tstsi): Delete
4626 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4628 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4630 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4632 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4634 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4636 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4638 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4640 * tree-vrp.c (execute_vrp): Do not update current_loops.
4641 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4642 * doc/loop.texi: Remove documentation for cancelled functions.
4643 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4644 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4646 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4647 (remove_path): Ensure that in delete_basic_blocks, the loops
4648 are still allocated.
4649 (add_loop): Work on valid loop structures.
4650 (loopify): Modify call of add_loop.
4651 (mfb_update_loops): Removed.
4652 (create_preheader): Do not update loops explicitly.
4653 (force_single_succ_latches, loop_version): Do not use
4654 loop_split_edge_with.
4655 (loop_split_edge_with): Removed.
4656 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4657 Do not use bsi_insert_on_edge_immediate_loop.
4658 (split_loop_exit_edge, tree_unroll_loop): Do not use
4659 loop_split_edge_with.
4660 (bsi_insert_on_edge_immediate_loop): Removed.
4661 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4662 use loop_split_edge_with.
4663 * cfghooks.c: Include cfgloop.h.
4664 (verify_flow_info): Verify that loop_father is filled iff current_loops
4666 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4667 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4669 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4671 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4672 loop_split_edge_with.
4673 (sms_schedule): Use current_loops.
4674 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4675 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4677 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4678 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4679 * ifcvt.c (if_convert): Ditto.
4680 * predict.c (predict_loops): Do not clear current_loops.
4681 (tree_estimate_probability): Use current_loops.
4682 (propagate_freq): Receive head of the region to propagate instead of
4684 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4685 (estimate_loops): New function. Handle case current_loops == NULL.
4686 (estimate_bb_frequencies): Do not allocate tovisit. Use
4688 * tree-ssa-loop.c (current_loops): Removed.
4689 (tree_loop_optimizer_init): Do not return loops.
4690 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4691 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4692 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4693 Do not update loops explicitly.
4694 * function.h (struct function): Add x_current_loops field.
4695 (current_loops): New macro.
4696 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4697 * loop-unroll.c (split_edge_and_insert): New function.
4698 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4699 use loop_split_edge_with.
4700 * loop-doloop.c (add_test, doloop_modify): Ditto.
4701 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4702 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4703 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4704 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4706 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4707 (flow_loops_free): Do not free dfs_order and rc_order.
4708 (flow_loops_find): Do not set dfs_order and rc_order in loops
4709 structure. Do not call loops and flow info verification.
4710 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4711 already belongs to some loop.
4712 * cfgloop.h (struct loops): Remove struct cfg.
4713 (current_loops, loop_split_edge_with): Declaration removed.
4714 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4715 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4716 Declaration removed.
4717 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4718 * basic-block.h (split_edge_and_insert): Declare.
4719 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4721 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4723 PR tree-optimization/29801
4724 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4725 (get_default_value): Use get_symbol_constant_value.
4726 (set_lattice_value): ICE when the value of the constant is
4728 (visit_assignment): Ignore VDEFs of read-only variables.
4730 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4732 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4734 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4735 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4737 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4739 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4740 select subvars of var.
4742 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4745 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4746 optimize if DEF doesn't have integral type.
4748 2006-11-16 Mike Stump <mrs@apple.com>
4750 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4751 pre-darwin9 system, unless the user asks for it directly.
4752 (PREFERRED_DEBUGGING_TYPE): Likewise.
4753 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4754 * config.gcc: Add suppport for darwin9.h.
4755 * config/darwin9.h: Add.
4756 * doc/install.texi (Specific): Clarify darwin documentation.
4758 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4760 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4761 optimizing for size.
4763 2006-11-16 Mike Stump <mrs@apple.com>
4765 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4767 2006-11-16 Dirk Mueller <dmueller@suse.de>
4769 * tree-vrp.c (get_value_range): Use XCNEW instead
4771 (insert_range_assertions): Use XCNEWVEC instead
4772 of XNEWVEC and memset.
4773 (vrp_initialize): Same.
4774 (vrp_finalize): Same.
4775 * tree-ssa-ccp.c (ccp_initialize): Same.
4776 * predict.c (tree_bb_level_predictions): Same.
4777 * calls.c (expand_call): Same.
4778 * tree-ssa-copy.c (init_copy_prop): Same.
4779 (fini_copy_prop): Same.
4780 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4781 of GGC_NEW and memset.
4783 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4786 * gimplify.c (gimplify_expr): Only force a load for references to
4787 non-BLKmode volatile values.
4788 * doc/implement-c.texi (Qualifiers implementation): Document the
4789 interpretation of what a volatile access is.
4790 * doc/extend.texi (C++ Extensions): Rework same documentation.
4792 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4794 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4797 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4799 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4801 (arm_neg_abssi2): Renamed from neg_abssi2.
4802 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4804 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4806 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4807 number of arguments passed to local functions in SSE registers is 3.
4809 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4810 number of arguments passed in SSE registers to 3.
4812 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4815 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4817 (get_last_bb_insn): ... new global function.
4818 (basic_block.h): Declare it.
4819 * haifa-sched.c (create_recovery_block): Use it.
4821 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4824 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4826 2006-11-15 Paul Brook <paul@codesourcery.com>
4828 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4829 _Unwind_GetTextRelBase): Move from here ...
4830 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4831 _Unwind_GetTextRelBase): ... To here.
4833 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4835 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4836 addresses we generate for testing are aligned.
4838 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4841 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4842 to what is the const decl is a place holder for.
4844 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4846 * config/i386/i386.opt: New target option -mx87regparm.
4848 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4849 and float_in_x87 variables. mmx_words, sse_words: Remove.
4850 (X87_REGPARM_MAX): Define.
4852 * config/i386/i386.c (override_options): Error out for
4853 -mx87regparm but no 80387 support.
4854 (ix86_attribute_table): Add x87regparm.
4855 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4856 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4857 (ix86_function_x87regparm): New function.
4858 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4860 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4862 (function_arg_advance): Process x87_nregs and x87_regno when
4863 floating point argument is to be passed in 80387 register.
4864 (function_arg): Pass XFmode arguments in 80387 registers for local
4865 functions. Pass SFmode and DFmode arguments to local functions
4866 in 80387 registers when flag_unsafe_math_optimizations is set.
4868 * reg-stack.c (convert_regs_entry): Disable NaN load for
4869 stack registers that are used for argument passing.
4871 * doc/extend.texi: Document x87regparm function attribute.
4872 * doc/invoke.texi: Document -mx87regparm.
4874 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4876 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4877 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4878 arg MODE; all callers changed. Use it to determine validity per
4879 machine mode instead of using Pmode for all memory references.
4880 (get_address_cost): Likewise add and use new arg MEM_MODE.
4882 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4883 J"orn Rennecke <joern.rennecke@st.com>
4885 * combine.c (likely_spilled_retval_1): Fix masking operation.
4886 (likely_spilled_retval_p): Use proper pattern for call to
4887 likely_spilled_retval_1.
4889 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4891 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4893 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4894 that tests for CONSTANT_POOL_ADDRESS_P.
4896 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4898 PR tree-optimization/29581
4899 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4900 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4901 type is different between Y and USE, create a temporary
4902 variable, initialize it at the beginning of the body bb
4903 and use it as replacement instead of Y.
4905 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4908 * gimplify.c (fold_indirect_ref_rhs): Use
4909 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4911 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4913 * expmed.c (emit_store_flag_1): New function.
4914 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4916 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4917 Use do_compare_rtx_and_jump.
4918 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4919 * arm.md (cstoresi4): New define_expand.
4920 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4921 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4922 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4924 2006-11-14 Caroline Tice <ctice@apple.com>
4926 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4927 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4929 (pubname_table): Redefine as a vector.
4930 (pubtype_table): New static global variable, defined as a vector.
4931 (pubname_table_allocated): Remove static global variable.
4932 (pubname_table_in_use): Remove static global variable.
4933 (PUBNAME_TABLE_INCREMENT): Remove constant.
4934 (size_of_pubnames): Add parameter to deal with either pubnames or
4935 pubtypes, and change code to deal with table being a vector.
4936 (add_pubname): Change to deal with table being a vector.
4937 (add_pubtype): New function.
4938 (output_pubnames): Add parameter to deal with either pubnames or
4939 pubtypes, and change code to deal with table being a vector.
4940 (gen_array_type_die): Add call to add_pubtype.
4941 (gen_enumeration_type_die): Add call to add_pubtype.
4942 (gen_struct_or_union_type_die): Add call to add_pubtype.
4943 (gen_subroutine_type_die): Add call to add_pubtype.
4944 (gen_typedef_die): Add call to add_pubtype.
4945 (dwarf2out_init): Add code to initialize pubname_table and
4946 pubtype_table vectors; also initialize debug_pubtypes_section.
4947 (prune_unused_types): Change to deal with pubnames being a vector.
4948 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4949 pubnames table to call to output_pubnames; Add code to output pubtypes
4950 table if DEBUG_PUBTYPES_SECTION is defined.
4951 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4953 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4955 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4957 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4958 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4959 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4960 movv2si_internal): Support moves between core registers.
4962 2006-11-14 Eric Christopher <echristo@apple.com>
4964 * configure: Regenerate with autoconf 2.59.
4966 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4968 Fix PR tree-optimization/27755
4970 * tree-ssa-pre.c: Update comments.
4971 (bb_bitmap_sets): Add pa_in and deferred member.
4972 (BB_DEFERRED): New macro.
4973 (maximal_set): New variable.
4974 (pre_stats): Add pa_insert member.
4975 (bitmap_set_and): Short circuit orig == dest.
4976 (bitmap_set_subtract_values): New function.
4977 (bitmap_set_contains_expr): Ditto.
4978 (translate_vuses_through_block): Add phiblock argument.
4979 (dependent_clean): New function.
4980 (compute_antic_aux): Update for maximal_set changes.
4981 (compute_partial_antic_aux): New function.
4982 (compute_antic): Handle partial anticipation.
4983 (do_partial_partial_insertion): New function.
4984 (insert_aux): Handle partial anticipation.
4985 (add_to_sets): Add to maximal set.
4986 (compute_avail): Ditto.
4987 (init_pre): Initialize maximal_set.
4988 (execute_pre): Do partial anticipation if -O3+.
4990 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4992 PR rtl-optimization/29798
4994 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4995 TARGET_INSN before any other check.
4996 (fwprop_init): Always calculate dominators.
4997 (fwprop_done): Always free them.
4999 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5001 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5004 2006-11-13 DJ Delorie <dj@redhat.com>
5006 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5007 temporary for intermediates.
5009 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
5011 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5012 (sh_optimize_target_register_callee_saved): #if 0 the code
5013 using NOTE_INSN_LOOP_{BEG,END}.
5015 2006-11-13 Roger Sayle <roger@eyesopen.com>
5017 * fold-const.c (optimize_bit_field_compare): Recursively call
5018 fold when simplifying non-constant comparisons between bit-fields.
5020 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5022 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5024 * configure: Rebuilt.
5026 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5028 * config/rs6000/cell.md: New file.
5029 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5031 (ppccell_cost): New cost matrix.
5032 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5033 (rs6000_override_options): Set rs6000_always_hint to false
5034 for cell. Also align functions/lables/loops to 8byte
5035 for the Cell. Use PROCESSOR_CELL.
5036 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5037 using_mtcr_multiple.
5038 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5039 on the Cell, return 0.
5040 (rs6000_adjust_cost): Add Cell cost adjustments.
5041 (is_microcoded_insn): Return true for Cell microcoded
5043 (is_nonpipeline_insn): New function.
5044 (rs6000_issue_rate): Add PROCESSOR_CELL.
5045 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5047 (rs6000_use_sched_lookahead_guard): New function.
5048 (rs6000_sched_reorder): Reorder the ready list, if the second
5049 to last ready insn is a nonepipeline insn on the Cell.
5050 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5051 (ASM_CPU_SPEC): Add Cell.
5052 * config/rs6000/rs6000.md (cpu): Add Cell.
5053 (cell_micro): New Attr.
5056 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5058 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5060 * configure: Rebuilt.
5062 2006-11-13 Richard Guenther <rguenther@suse.de>
5064 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5066 (ix86_expand_lfloorceil): Likewise.
5067 (ix86_expand_rint): Likewise.
5068 (ix86_expand_floorceildf_32): Likewise.
5069 (ix86_expand_floorceil): Likewise.
5070 (ix86_expand_rounddf_32): Likewise.
5071 (ix86_expand_truncdf_32): Likewise.
5072 (ix86_expand_round): Likewise.
5074 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5075 Mark Mitchell <mark@codesourcery.com>
5077 * gcc.c: Organize search path variables into $prefix relative,
5078 and well-known native. Add comments.
5079 (add_sysrooted_prefix): Add comment.
5080 (process_command): If !gcc_exec_prefix add $prefix based paths.
5081 If *cross_compile == '0', add native well-known paths.
5082 Assert tooldir_base_prefix is always relative.
5083 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5084 use this value for 'install:' path.
5085 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5087 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5089 * config/i386/i386.c: Fix a typo in comment.
5091 2006-11-13 Michael Matz <matz@suse.de>
5093 * genemit.c (gen_expand): Allocate enough memory.
5095 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5097 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5098 __GXX_TYPEINFO_EQUALITY_INLINE but not
5099 __GXX_MERGED_TYPEINFO_NAMES.
5100 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5101 __GXX_MERGED_TYPEINFO_NAMES.
5102 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5103 __GXX_TYPEINFO_EQUALITY_INLINE.
5105 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5106 Zdenek Dvorak <dvorakz@suse.cz>
5108 PR tree-optimization/29680
5109 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5112 2006-11-12 Jason Merrill <jason@redhat.com>
5113 Andrew Pinski <pinskia@physics.uc.edu>
5116 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5118 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5120 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5121 * tree.c (build_vector): Handle non-_CST elements.
5123 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5125 * genemit.c (gen_insn): Call gen_exp with a non-null used
5126 when handling multiple insns.
5127 (gen_expand): Likewise.
5128 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5129 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5130 (movsi_const_16bit+1): Copy operands[1].
5131 (call_pcrel): Copy the call_site pattern.
5132 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5134 2006-11-12 Roger Sayle <roger@eyesopen.com>
5136 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5137 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5138 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5139 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5141 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5143 Fix PR tree-optimization/29587
5144 * tree-ssa-structalias.c (process_constraint): Don't
5145 mark address taken due only to escaped vars constraint.
5147 2006-11-12 Michael Matz <matz@suse.de>
5148 Roger Sayle <roger@eyesopen.com>
5150 PR rtl-optimization/29797
5151 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5152 BITS_BIG_ENDIAN targets.
5154 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5156 * builtins.c (fold_builtin_cosh): New.
5157 (fold_builtin_1): Use it.
5158 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5159 trunc to the list of "odd" functions. Also add llrint, lrint,
5160 rint and nearbyint when flag_rounding_math is false.
5162 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5164 * tree-flow.h (name_mappings_registered_p): Declare.
5165 * tree-into-ssa.c (name_mappings_registered_p): New function.
5166 * tree-cfg.c (tree_can_merge_blocks_p): Check
5167 name_mappings_registered_p instead of need_ssa_update_p.
5169 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5171 * tree-ssa-loop.c (tree_vectorize): Return the result of
5173 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5174 if anything changed.
5175 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5176 * tree-flow.h (vectorize_loops): Declaration changed.
5178 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5180 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5182 (issue_prefetch_ref): Move assignment to write_p out of loop.
5183 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5184 SIMULTANEOUS_PREFETCHES into account.
5185 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5186 * lambda-code.c (lcm): Renamed to ...
5187 (least_common_multiple): ... and exported.
5188 * tree-flow.h (least_common_multiple): Declare.
5190 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5192 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5193 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5194 ud-chains. Handle AND_EXPR.
5195 (record_estimate): Record whether the estimate is realistic
5196 and whether it is derived from a loop exit.
5197 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5198 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5200 (compute_estimated_nb_iterations): Take only realistic bounds into
5201 account. Set estimate_state. Use double_ints.
5202 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5203 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5204 that do not have to be always executed.
5205 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5206 to determine whether to call infer_loop_bounds_from_undefined
5207 and compute_estimated_nb_iterations.
5208 (n_of_executions_at_most): Use double_ints.
5209 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5210 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5211 * double-int.c (double_int_to_tree): Improve comment.
5212 (double_int_fits_to_tree_p): New function.
5213 * double-int.h (double_int_fits_to_tree_p): Declare.
5214 * tree-data-ref.c: Include langhooks.h.
5215 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5216 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5217 (analyze_array): Do not pass estimate_only argument to
5218 analyze_array_indexes.
5219 (get_number_of_iters_for_loop): Build tree from the stored double_int
5221 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5222 (find_data_references_in_loop): Use find_data_references_in_stmt.
5223 * tree-data-ref.h (struct data_ref_loc_d): New.
5224 (get_references_in_stmt): Declare.
5225 (estimate_iters_using_array): Declaration removed.
5226 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5227 double_int. Improve comments. Add is_exit and realistic
5229 (struct loop): Changed type of estimated_nb_iterations to double_int.
5230 Added estimate_state field.
5231 (record_estimate): Declaration removed.
5233 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5235 * params.c (set_param_value): Initialize the "set" field.
5236 * params.h (struct param_info): Add "set" field.
5237 (PARAM_SET_P): New macro.
5238 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5239 L1_CACHE_LINE_SIZE): New macros.
5240 * toplev.c (DEFPARAM): Initialize the "set" field.
5241 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5242 SIMULTANEOUS_PREFETCHES): Removed.
5243 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5244 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5245 * config/sparc/sparc.c: Include params.h.
5246 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5247 L1_CACHE_LINE_SIZE parameters.
5248 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5250 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5252 * config/i386/i386.c: Include params.h.
5253 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5254 (override_options): Set SIMULTANEOUS_PREFETCHES and
5255 L1_CACHE_LINE_SIZE parameters.
5256 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5257 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5258 L1_CACHE_LINE_SIZE parameters.
5259 * config/ia64/ia64.c (ia64_optimization_options): Set
5260 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5261 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5263 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5264 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5265 * doc/invoke.texi: Document new params.
5267 2006-11-12 Roger Sayle <roger@eyesopen.com>
5269 PR tree-optimization/13827
5270 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5273 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5275 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5276 update_single_exit_for_duplicated_loops): New functions.
5277 (duplicate_loop_to_header_edge): Use
5278 update_single_exit_for_duplicated_loops.
5279 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5280 functions only with ENABLE_CHECKING.
5282 2006-11-12 Andreas Schwab <schwab@suse.de>
5284 * except.c (sjlj_emit_function_enter): Remove unused variable.
5286 2006-11-11 Roger Sayle <roger@eyesopen.com>
5288 * fold-const.c (int_binop_types_match_p): New function.
5289 (size_binop): Relax constraint that both arguments must both have
5290 exactly the same sizetype type. Instead use int_binop_types_match_p.
5291 (size_diffop): Likewise.
5293 (make_range): Use build_int_cst instead of fold_convert.
5294 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5295 integer constants of the correct type.
5296 (fold_div_compare): Likewise.
5297 (fold_single_bit_test): Likewise.
5298 (fold_binary): Likewise.
5299 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5300 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5302 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5305 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5306 non null value if the struct memory access is in the 0th
5309 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5312 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5313 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5316 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5317 instead of builtin_define for bfin and BFIN.
5319 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5321 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5324 2006-11-11 Jan Hubicka <jh@suse.cz>
5326 * extend.texi (__builtin_expect): We no longer require second argument
5328 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5329 * builtins.c (expand_builtin_expect): Simplify.
5330 (expand_builtin_expect_jump): Kill.
5331 * final.c (final_scan_insn): Do not skip the removed notes.
5332 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5333 EXPECTED_VALUE): Remove.
5334 * dojump.c (do_jump): Do not care about __builtin_expect.
5335 * predict.c (expected_value_to_br_prob): Kill.
5336 * function.c (expand_function_end): Do not expand
5337 NOTE_INSN_REPEATED_LINE_NUMBER.
5338 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5339 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5340 * cfgexpand.c (add_reg_br_prob_note): Export.
5341 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5342 expected_value_to_br_prob.
5343 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5344 * rtl.h (add_reg_br_prob_note): Declare.
5346 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5348 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5350 2006-11-11 Jan Hubicka <jh@suse.cz>
5352 * predict.c (predict_loops): Kill RTL variant.
5354 2006-11-11 Jan Hubicka <jh@suse.cz>
5356 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5357 * modulo-sched.c (find_line_note): Remove.
5358 (loop_canon_p): Do not worry about line number notes.
5359 (sms_schedule): Likewise.
5360 * cse.c (cse_main): Likewise.
5361 * regmove.c (fixup_match_1): Likewise
5362 * function.c (emit_return_info_block): Likewise.
5363 (expand_function_end): Likewise.
5364 (thread_prologue_an_epilogue_insns): Likewise.
5365 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5367 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5368 emit_note_copy_after): Kill.
5369 (emit_note_copy): Do not worry about line numbers.
5370 * jump.c (purge_line_number_notes): Kill.
5371 (pass_purge_lineno_notes): Kill.
5372 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5374 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5375 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5376 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5377 * tree-pass.h (pass_purge_lineno_notes): Kill.
5378 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5379 rm_redundant_line_notes.
5380 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5381 rm_redundant_line_notes.
5382 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5383 * haifa-sched.c: Update comment about handling notes.
5384 (unlink_line_notes): Kill.
5385 (rm_line_notes): Kill.
5386 (save_line_notes): Simplify.
5387 (rm_redundant_line_notes): Kill.
5389 2006-11-11 Richard Guenther <rguenther@suse.de>
5391 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5392 Remove unused tree codes.
5393 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5394 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5395 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5396 * tree.c (stabilize_reference): Likewise.
5397 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5398 fold_unary): Likewise.
5399 * tree-gimple.c (is_gimple_cast): Likewise.
5400 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5401 * expr.c (expand_expr_real_1): Likewise.
5402 * tree-eh.c (tree_could_trap_p): Likewise.
5403 * gimplify.c (gimplify_expr): Likewise.
5404 * tree-inline.c (estimate_num_insns_1): Likewise.
5405 * tree-cfg.c (verify_expr): Likewise.
5407 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5409 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5410 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5411 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5413 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5416 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5417 constraints accept neither registers or memories.
5419 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5421 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5422 (NO_PROFILE_COUNTERS): Define as 1.
5424 2006-11-10 Roger Sayle <roger@eyesopen.com>
5426 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5427 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5429 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5431 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5433 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5436 (fold_builtin_hypot): Likewise.
5437 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5439 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5441 2006-11-10 Roger Sayle <roger@eyesopen.com>
5443 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5444 when attempting to build INTEGER_CSTs of non-integral types.
5445 * expmed.c (make_tree): Use the correct type, i.e. the inner
5446 type, when constructing the individual elements of a CONST_VECTOR.
5448 2006-11-10 Jan Hubicka <jh@suse.cz>
5450 * cse.c (cse_process_notes): Copy the propagated value.
5451 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5453 * gcse.c (try_replace_reg): Copy the replacement.
5454 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5455 (assign_386_stack_local): Always return copied memory expression
5456 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5459 2006-11-10 Jan Hubicka <jh@suse.cz>
5461 * final.c (final): Walk from first instruction.
5462 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5464 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5467 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5469 (umulv8hi3_highpart): Ditto.
5470 (vec_widen_smult_hi_v8hi): New expander.
5471 (vec_widen_smult_lo_v8hi): Ditto.
5473 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5476 * builtins.c (do_mpfr_arg3): New.
5477 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5479 2006-11-09 Eric Christopher <echristo@apple.com>
5484 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5485 * config.gcc (powerpc64-*-darwin*): New target.
5486 * config.host: Ditto.
5487 * config/rs6000/darwin64.h: New file.
5488 * config/rs6000/x-darwin64: Ditto.
5489 * config/rs6000/host-ppc64-darwin.c: Ditto.
5491 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5493 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5494 routines for integer division.
5496 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5498 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5500 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5503 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5505 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5507 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5508 simplify_subreg with BLKmode outer mode.
5510 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5512 * doc/invoke.texi: Minor formatting fixes in option lists.
5514 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5516 PR tree-optimization/29738
5517 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5518 (ccp_lattice_t): Remove UNKNOWN_VAL.
5519 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5520 Do not handle UNKNOWN_VAL.
5521 (get_default_value): Set initial value of virtual operands to
5523 (get_value): Always use get_default_value on uninitialized
5525 (set_value_varying, surely_varying_stmt_p): New functions.
5526 (set_lattice_value): Do not pass argument to get_value.
5527 Do not handle UNKNOWN_VAL.
5528 (likely_value): Follow the semantics described in the comment.
5529 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5530 phi nodes DONT_SIMULATE_AGAIN.
5531 (ccp_fold): Do not pass argument to get_value.
5532 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5535 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5537 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5538 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5540 2006-11-08 Roger Sayle <roger@eyesopen.com>
5542 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5543 test for inclusion rather than as a test for exclusion.
5544 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5545 the condition after calling fold_binary.
5546 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5547 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5548 * builtins.c (fold_builtin_isascii): Likewise.
5549 (fold_builtin_isdigit): Likewise.
5551 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5553 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5554 * configure: Regenerate.
5556 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5558 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5559 enum argument instead of bool.
5560 (vect_analyze_operations): Call vectorizable_type_promotion.
5561 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5562 stmt_vec_info_type value.
5563 (supportable_widening_operation, vectorizable_type_promotion): New
5564 function declarations.
5565 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5566 (vectorizable_type_promotion): New function.
5567 (vect_transform_stmt): Call vectorizable_type_promotion.
5568 * tree-vect-analyze.c (supportable_widening_operation): New function.
5569 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5571 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5574 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5575 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5576 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5578 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5579 * expr.c (expand_expr_real_1): Likewise.
5580 * optabs.c (optab_for_tree_code): Likewise.
5581 (init_optabs): Initialize new optabs.
5582 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5583 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5584 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5585 vec_unpacku_lo_optab): Initialize new optabs.
5586 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5587 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5588 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5590 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5591 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5592 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5593 (vec_unpacku_lo_optab): New optabs.
5594 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5595 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5596 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5597 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5598 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5599 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5601 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5602 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5603 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5604 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5605 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5606 implement the unsigned unpacking patterns.
5607 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5608 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5609 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5610 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5611 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5612 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5613 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5614 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5615 multiplication patterns.
5617 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5618 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5619 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5620 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5621 (rs6000_builtin_mul_widen_odd): New.
5622 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5623 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5624 * tree-vectorizer.h (enum vect_relevant): New enum type.
5625 (_stmt_vec_info): Field relevant chaned from bool to enum
5627 (STMT_VINFO_RELEVANT_P): Updated.
5628 (STMT_VINFO_RELEVANT): New.
5629 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5630 instead of STMT_VINFO_RELEVANT_P.
5631 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5632 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5633 and boolean variable with enum vect_relevant.
5634 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5635 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5636 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5638 2006-11-08 Richard Henderson <rth@redhat.com>
5640 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5641 vec_widen_umult_lo_v8hi): New.
5642 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5643 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5645 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5646 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5647 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5648 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5649 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5650 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5651 vec_unpacks_lo_v4si): New.
5653 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5655 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5656 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5657 (vect_analyze_operations): Call vectorizable_type_demotion.
5658 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5659 stmt_vec_info_type value.
5660 (vectorizable_type_demotion): New function declaration.
5661 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5664 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5665 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5667 * tree-iniline.c (estimate_num_insns_1): Likewise.
5668 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5669 * optabs.c (optab_for_tree_code): Likewise.
5671 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5672 compared against the predicate of the result is not 'mode' (the input
5673 to the function) but a mode with half the size of 'mode'.
5674 (init_optab): Initialize new optabs.
5675 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5677 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5679 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5680 (vec_pack_usat_optab): Initialize new optabs.
5681 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5682 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5684 2006-11-08 Richard Henderson <rth@redehat.com>
5686 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5687 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5688 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5689 (vec_interleave_highv4si, vec_interleave_lowv4si):
5690 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5692 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5694 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5696 (vect_transform_stmt): Removed redundant code.
5698 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5700 * tree-vect-transform.c (vectorizable_operation): Support multiple
5703 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5705 * tree-vect-transform.c (vect_align_data_ref): Removed.
5706 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5707 Updated function documentation. Return the increment stmt in ptr_incr.
5708 (bump_vector_ptr): New function.
5709 (vect_get_vec_def_for_stmt_copy): New function.
5710 (vect_finish_stmt_generation): Create a stmt_info to newly created
5712 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5714 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5715 VF is greater than the number of elements that can fit in one vector
5717 (vectorizable_operation, vectorizable_condition): Likewise.
5718 (vectorizable_store, vectorizable_load): Support the case that the VF
5719 is greater than the number of elements that can fit in one vector word.
5720 (vect_transform_loop): Don't fail in case of multiple data-types.
5721 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5722 in case of multiple data-types; the smallest type determines the VF.
5723 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5724 if they are of different sizes.
5725 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5726 number of elements rather than number of bytes.
5727 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5728 (vect_can_advance_ivs_p): Fix a dump printout
5730 2006-11-07 Eric Christopher <echristo@apple.com>
5732 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5733 (__bswapsi2): Ditto.
5734 * libgcc2.h: Remove transformation of bswap routines.
5735 * config/i386/i386.md (bswapsi2): New.
5738 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5740 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5741 (handle_gnu_inline_attribute): New function.
5742 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5743 (merge_decls, start_decl, start_function): Likewise.
5744 * doc/extend.texi: Document gnu_inline attribute.
5746 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5749 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5750 _fixunstfdi, and _floatditf
5752 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5754 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5756 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5757 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5758 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5759 which start in an odd register.
5761 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5763 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5765 2006-11-07 Josh Conner <jconner@apple.com>
5767 * doc/invoke.texi (fstrict-aliasing): Move implementation
5769 * doc/tree-ssa.texi (Alias analysis): ...here.
5771 2006-11-07 Richard Guenther <rguenther@suse.de>
5773 PR tree-optimization/29610
5774 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5775 of tree_purge_dead_eh_edges as it may free dominators.
5777 * g++.dg/other/pr29610.C: New testcase.
5779 2006-11-07 David Ung <davidu@mips.com>
5781 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5782 costs when optimizing for size.
5783 (override_options): Use mips_rtx_cost_optimize_size table for cost
5786 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5788 * gcc.c (process_command): Treat -b as normal switch if its argument
5791 2006-11-07 David Ung <davidu@mips.com>
5793 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5796 2006-11-06 Eric Christopher <echristo@apple.com>
5798 * config.gcc: Add x86_64-darwin host support.
5799 * config.host: Ditto.
5800 * config/i386/darwin64.h: New file.
5801 * config/i386/t-darwin64: Ditto.
5803 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5805 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5806 and output-exists-not.
5808 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5811 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5812 checking for overflow.
5814 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5816 * configure.ac: Fixed typo in case statement: :: changed to ;;
5818 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5820 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5821 count_leading_zeros, and count_trailing_zeros.
5822 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5823 (TARGET_FOLD_BUILTIN): Define.
5824 (TARGET_EXPAND_BUILTIN): Define.
5825 (xtensa_init_builtins): New.
5826 (xtensa_fold_builtin): New.
5827 (xtensa_expand_builtin): New.
5828 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5829 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5830 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5831 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5832 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5833 (any_extend): New code macro.
5834 (u, su): New code attributes.
5835 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5836 (nsau): Remove; replaced by clzsi2.
5837 (ffssi2): Use clzsi2.
5838 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5839 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5840 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5841 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5842 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5844 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5846 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5848 * config/arm/t-strongarm-elf: Likewise.
5849 * config/arm/t-pe: Likewise.
5850 * config/arm/t-arm-elf: Likewise.
5851 * config/arm/t-xscale-elf: Likewise.
5852 * config/arm/t-arm-coff: Likewise.
5853 * config/arm/t-xscale-coff: Likewise.
5854 * config/arm/t-wince-pe: Likewise.
5856 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5858 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5861 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5864 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5867 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5870 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5871 as a valid 80387 constant.
5872 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5873 * config/i386/i386.md (unnamed splitter): Split the load of
5874 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5877 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5879 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5880 from the soft-frame, argument and virtual registers.
5882 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5884 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5885 patterns for standard 80387 constants.
5887 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5888 Steven Bosscher <steven@gcc.gnu.org>
5890 * fwprop.c: New file.
5891 * Makefile.in: Add fwprop.o.
5892 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5893 * passes.c (init_optimization_passes): Schedule forward propagation.
5894 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5896 * timevar.def (TV_FWPROP): New.
5897 * common.opt (-fforward-propagate): New.
5898 * opts.c (decode_options): Enable forward propagation at -O2.
5899 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5900 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5901 canon_for_address, table_size): Remove.
5902 (new_basic_block, insert, remove_from_table): Remove references to
5904 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5905 simplification loop more straightforward by not calling fold_rtx
5907 (equiv_constant): Move here a small part of fold_rtx_subreg,
5908 do not call fold_rtx. Call avoid_constant_pool_reference
5910 * recog.h (canonicalize_change_group): New.
5912 * doc/invoke.texi (Optimization Options): Document fwprop.
5913 * doc/passes.texi (RTL passes): Document fwprop.
5915 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5917 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5918 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5919 (grokdeclarator): Likewise.
5921 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5923 * tree-dump.c (dump_enable_all): Rename local variable
5924 ir_type to avoid name conflicts.
5925 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5926 instead of using ir_type().
5927 * profile.c (tree_register_profile_hooks): Likewise.
5928 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5929 * basic-block.h (struct edge_def): Likewise.
5930 * config/arm/arm.c (legitimize_pic_address): Likewise.
5931 * coretypes.h (ir_type): New enum of all intermediate languages
5933 * cfghooks.c (ir_type): Rename to...
5934 (current_ir_type): ...this. Distinguish between cfgrtl and
5935 cfglayout mode when the current IR is RTL. Return enum ir_type.
5936 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5938 2006-11-03 Paul Brook <paul@codesourcery.com>
5940 * config/arm/arm.c (arm_file_start): New function.
5941 (TARGET_ASM_FILE_START): Define.
5942 (arm_default_cpu): New variable.
5943 (arm_override_options): Set arm_default_cpu.
5945 2006-11-03 David Ung <davidu@mips.com>
5947 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5948 PROCESSOR_24KC and PROCESSOR_24KF.
5949 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5950 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5951 (mips_rtx_cost_data): Add costs for the 24kc.
5952 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5953 * config/mips/24k.md: Remove references to 24k and replace with
5954 uses of 24kc/24kf in the appropriate reservations.
5955 * doc/invoke.texi (MIPS Options): Updated.
5957 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5959 * config/sh/crt1.asm: Fix #ifdef indent.
5961 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5962 Merged from STMicroelectronics sources:
5963 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5964 * config/sh/crt1.asm (vbr_600): Add missing #if.
5965 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5966 * sh.opt (mfused-madd): New option.
5967 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5968 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5969 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5970 Remove pointless handler at VBR+0.
5971 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5972 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5973 fr7. Make sure the timer handler is called with the correct FPU
5974 precision setting, according to the ABI.
5975 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5976 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5977 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5978 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5979 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5980 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5981 zero as second operand.
5982 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5983 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5984 Fixed some bugs related to negative values, in particular -0
5985 and overflow at -0x80000000.
5986 * config/sh/divcost-analysis: Added sh4-300 figures.
5987 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5988 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5989 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5990 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5991 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5992 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5994 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5996 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5997 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5998 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5999 mac_mem, mem_mac, dfp_mul, fp_cmp.
6000 (insn_class, dfp_comp, any_fp_comp): Update.
6001 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6002 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6003 (muldf3_i): Likewise.
6004 (movsi_i): Split rI08 alternative into two separate alternatives.
6006 (movsi_ie, movsi_i_lowpart): Likewise.
6007 (movqi_i): Split ri alternative into two separate alternatives.
6009 * sh1.md (sh1_load_store, sh1_fp): Update.
6010 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6011 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6012 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6013 (sh4a_fp_double_arith): Likewise.
6014 * sh4-300.md: New file.
6015 * sh.c (sh_handle_option): Handle m4-300* options.
6016 (sh_adjust_cost): Fix latency of auto-increments.
6017 Handle SH4-300 differently than other SH4s. Check for new insn types.
6018 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6019 been set by an option.
6020 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6021 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6022 (mbranch-cost=): Likewise.
6023 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6025 * sh.md (mulsf3): Remove special expansion code.
6026 (mulsf3_ie): Now a define_insn_and_split.
6027 (macsf3): Allow for TARGET_SH4.
6029 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6030 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6031 (expand_cbranchdi4): Likewise.
6032 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6033 CONST_DOUBLE if the outer code is COMPARE.
6034 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6035 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6036 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6037 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6038 Remove redundant fp_{zero,one}_operand checks.
6039 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6040 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6041 (expand_cbranchdi4): Likewise.
6042 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6043 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6045 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6047 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6050 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6052 * doc/invoke.texi: Fix mfp-trap-mode typo.
6054 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6056 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6057 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6058 file_end_indicate_exec_stack.
6059 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6061 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6062 for a non-executable stack.
6063 * crti.asm: Likewise.
6064 * crtn.asm: Likewise.
6065 * libunwind.S: Likewise.
6067 2006-11-02 Ben Elliston <bje@au.ibm.com>
6069 * tree-ssa.c (warn_uninit): Use expand_location variables for
6070 locus and declaration locus.
6072 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6075 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6076 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6077 cmp{eq,gt,gtu}{si,di}_media.
6078 (*cmpne0si_media): Remove.
6079 (*movsicc_umin): Adjust gen_cmp*_media call.
6080 (unordered): Change the mode of unordered and operands[1] to
6082 (seq): Adjust gen_cmp*_media calls. Make the mode of
6083 a temporary result of compare SImode if needed. If the mode
6084 of operands[0] is DImode, extend the temporary result to DImode.
6085 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6086 (sunorderd): Change the mode of match_operand and unorderd to
6088 (cmpeq{sf,df}_media): Remove.
6089 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6090 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6091 and compare operation to SImode.
6093 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6095 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6097 (sparc64-sun-solaris2*): Likewise.
6099 2006-11-02 Paul Brook <paul@codesourcery.com>
6101 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6102 from priority argument. Use different section for non-default
6104 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6106 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6109 * except.c (switch_to_exception_section): Do not cache the section
6110 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6111 and flag_function_sections is set.
6113 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6116 * builtins.c (do_mpfr_sincos): New.
6117 (fold_builtin_1): Use it to fold builtin sincos.
6119 2006-11-01 Roger Sayle <roger@eyesopen.com>
6121 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6122 it into -D_REENTRANT.
6124 2006-11-01 Roger Sayle <roger@eyesopen.com>
6126 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6127 whether the assembler supports taking the difference of symbols in
6128 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6129 * configure: Regenerate.
6130 * config.in: Regenerate.
6131 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6132 the assembler doesn't support taking the difference of symbols in
6133 different sections, i.e. we're using the native solaris assembler.
6135 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6136 Peter Bergner <bergner@vnet.ibm.com>
6138 * doc/invoke.texi: Add cpu_type power6x
6139 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6140 * config.gcc: Add cpu_type power6x.
6141 * configure.ac: Add test for mf{t,f}gpr instructions.
6142 (HAVE_AS_MFPGPR): New.
6143 * config.in: Regenerate.
6144 * configure: Regenerate.
6145 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6146 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6147 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6148 and mftgpr attributes.
6149 (define_attr "cpu"): Add power6.
6150 Change instruction sequences to use new attributes.
6151 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6152 (fix_truncdfsi2_mfpgpr): New.
6153 (floatsidf_ppc64_mfpgpr): New.
6154 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6155 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6156 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6157 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6158 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6159 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6160 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6161 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6162 cntlz,exts and var_delayed_compare.
6163 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6164 _ARCH_PWR6X, if features enabled.
6165 * config/rs6000/rs6000.opt (mmfpgpr): New.
6166 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6167 (cached_can_issue_more): New variable.
6168 (processor_costs): Add power6_cost.
6169 (rs6000_sched_init): New function.
6170 (is_dispatch_slot_restricted): Deleted.
6171 (set_to_load_agen): New function.
6172 (is_load_insn,is_store_insn): New functions.
6173 (adjacent_mem_locations): New function.
6174 (insn_must_be_first_in_group): New function.
6175 (insn_must_be_last_in_group): New function.
6176 (rs6000_sched_reorder): New function.
6177 (rs6000_sched_reorder2): New function.
6178 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6179 TARGET_SCHED_REORDER2): Define.
6180 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6181 Add power6x. Add MASK_MFPGPR for power6x.
6182 (POWERPC_MASKS): Add MASK_MFPGPR.
6183 (rs6000_override_options): Set rs6000_always_hint to false
6184 for power6. Set rs6000_align_branch_targets. Replace
6185 rs6000_sched_groups check with rs6000_align_branch_targets.
6186 Use PROCESSOR_POWER6.
6187 (last_scheduled_insn): New variable.
6188 (load_store_pendulum): New variable.
6189 (rs6000_variable_issue): Set last_scheduled_insn and
6190 cached_can_issue_more.
6191 (rs6000_adjust_cost): Add power6 cost adjustments.
6192 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6193 with insn_must_be_first_in_group. Add power6 priority adjustments.
6194 (rs6000_issue_rate): Add CPU_POWER6.
6195 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6196 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6197 (TARGET_MFPGPR): New.
6198 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6199 (ASM_CPU_SPEC): Add power6x.
6200 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6202 * config/rs6000/power6.md: New file.
6204 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6206 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6207 HOST_WIDE_INT_PRINT to print high and low parts. Use
6208 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6209 printing a hexadecimal number prefix it with 0x.
6211 2006-11-01 Chris Johns <chris@contemporary.net.au>
6214 * Makefile.in (install-driver): Use exeext when installing
6215 $target-gcc-$version.
6217 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6219 * c-common.c (flag_cpp0x): New.
6220 * c-common.h (flag_cpp0x): New.
6221 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6222 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6223 * c-opts.c (set_std_cxx0x): New.
6224 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6225 * c.opt (std=c++0x): Document.
6226 (std=gnu++0x): Ditto.
6227 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6228 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6230 2006-11-01 Richard Guenther <rguenther@suse.de>
6232 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6234 (ix86_expand_floorceildf_32): Likewise.
6235 (ix86_expand_floorceil): Likewise.
6236 (ix86_expand_trunc): Likewise.
6238 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6240 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6243 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6245 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6247 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6249 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6251 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6252 * configure.ac (use_cxa_atexit): As a special case, don't test
6253 for libc definition of __cxa_atexit on mingw32
6254 * configure: Regenerate.
6255 * config.gcc (i[34567]86-pc-mingw32): Default to
6256 enable__cxa_atexit=yes.
6258 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6260 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6262 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6265 * c-decl.c (start_struct): Don't create self-containing
6267 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6269 * config/rs6000/rs6000-protos.h
6270 (darwin_rs6000_special_round_type_align): New.
6271 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6272 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6274 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6276 * toplev.c (compile_file): Call final_write_globals
6277 even if there have been errors.
6279 2006-10-31 Eric Christopher <echristo@apple.com>
6280 Falk Hueffner <falk@debian.org>
6282 * doc/extend.texi (__builtin_bswap32): Document.
6283 (__builtin_bswap64): Ditto.
6284 * doc/libgcc.texi (bswapsi2): Document.
6286 * doc/rtl.texi (bswap): Document.
6287 * optabs.c (expand_unop): Don't widen a bswap.
6288 (init_optabs): Init bswap. Set libfuncs explicitly
6289 for bswapsi2 and bswapdi2.
6290 * optabs.h (OTI_bswap): New.
6291 (bswap_optab): Ditto.
6292 * genopinit.c (optabs): Handle bswap_optab.
6293 * tree.h (tree_index): Add TI_UINT32_TYPE and
6295 (uint32_type_node): New.
6296 (uint64_type_node): Ditto.
6297 * tree.c (build_common_tree_nodes_2): Initialize
6298 uint32_type_node and uint64_type_node.
6299 * builtins.c (expand_builtin_bswap): New.
6300 (expand_builtin): Call.
6301 (fold_builtin_bswap): New.
6302 (fold_builtin_1): Call.
6303 * fold-const.c (tree_expr_nonnegative_p): Return true
6305 * builtin-types.def (BT_UINT32): New.
6307 (BT_FN_UINT32_UINT32): Ditto.
6308 (BT_FN_UINT64_UINT64): Ditto.
6309 * builtins.def (BUILT_IN_BSWAP32): New.
6310 (BUILT_IN_BSWAP64): Ditto.
6311 * rtl.def (BSWAP): New.
6312 * genattrtab.c (check_attr_value): New.
6313 * libgcc2.c (__bswapSI2): New.
6314 (__bswapDI2): Ditto.
6315 * libgcc2.h (__bswapSI2): Declare.
6316 (__bswapDI2): Ditto.
6317 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6318 * simplify-rtx.c (simplify_const_unary_operation): Return
6320 * libgcc-std.ver (__bwapsi2): Add.
6321 (__bswapdi2): Ditto.
6322 * reload1.c (eliminate_regs_1): Add bswap.
6323 (elimination_effects): Ditto.
6324 * config/i386/i386.h (x86_bswap): New.
6325 (TARGET_BSWAP): Use.
6326 * config/i386/i386.c (x86_bswap): Set.
6328 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6330 * coverage.c (coverage_checksum_string): Update comment.
6331 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6332 of get_file_function_name.
6333 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6334 of get_file_function_name_long.
6335 * tree.c (get_file_function_name): Rename from
6336 get_file_function_name_long; improve comment; handle 'I' and 'D'
6337 specially when the target has ctor/dtor support; remove special
6339 (get_file_function_name): Remove.
6340 * tree.h (get_file_function_name): Rename from
6341 get_file_function_name_long.
6342 (get_file_function_name): Remove prototype.
6344 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6346 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6347 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6349 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6350 Call dsymutil when compiling and linking one or more source files
6353 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6356 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6358 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6360 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6361 inline static functions in c99 mode.
6364 * doc/extend.texi (Inline): Update.
6365 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6366 * c-decl.c (current_extern_inline): Delete.
6367 (pop_scope): Adjust test for an undefined nested function.
6368 Add warning about undeclared inline function.
6369 (diagnose_mismatched_decls): Update comments. Disallow overriding
6370 of inline functions in a translation unit in C99. Allow inline
6371 declarations in C99 at any time.
6372 (merge_decls): Boolize variables. Handle C99 'extern inline'
6374 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6375 C99 inline semantics.
6376 (start_function): Don't clear current_extern_inline. Don't set
6378 (c_push_function_context): Don't push current_extern_inline.
6379 (c_pop_function_context): Don't restore current_extern_inline.
6382 * c-typeck.c (build_external_ref): Warn about static variables
6383 used in extern inline functions.
6384 * c-decl.c (start_decl): Warn about static variables declared
6385 in extern inline functions.
6387 2006-10-31 Roger Sayle <roger@eyesopen.com>
6390 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6391 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6392 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6393 or y is an even integer.
6395 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6398 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6399 * gthr-posix95.h (__gthread_active_p): Likewise.
6401 2006-10-31 Richard Guenther <rguenther@suse.de>
6403 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6404 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6405 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6406 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6407 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6408 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6409 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6410 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6413 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6415 * opts.c (decode_options): Disable CSE skip blocks.
6417 2006-10-30 Dirk Mueller <dmueller@suse.de>
6419 * c-common.h (strict_aliasing_warning): Fix whitespace.
6420 * c-decl (start_function): Move code for main decl warning ..
6421 * c-common.c (check_main_parameter_types): .. here.
6422 * c-common.h (check_main_parameter_types): Declare.
6424 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6427 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6429 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6431 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6432 be a PARALLEL containing sets. Return false when out_pat is not
6435 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6437 * config/mips/mips.md (mul<mode>3): Split into...
6438 (mulsi3, muldi3): ...these separate patterns.
6440 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6442 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6443 but with each set of options separated by spaces.
6445 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6447 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6448 dwarf_reg_size_table has been initialized.
6450 2006-10-30 Roger Sayle <roger@eyesopen.com>
6452 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6453 * ddg.c (print_ddg_edge): Likewise.
6454 * dwarf2out.c (prune_unused_types_walk): Likewise.
6455 * ifcvt.c (noce_try_cmove_arith): Likewise.
6456 * langhooks.c (add_builtin_function): Likewise.
6457 * reg-stack.c (subst_stack_regs_pat): Likewise.
6458 * tree.c (expanded_location): Likewise.
6459 * tree-dump.c (dequeue_and_dump): Likewise.
6461 2006-10-30 David Daney <ddaney@avtrex.com>
6463 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6465 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6467 PR tree-optimization/29637
6468 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6469 of the innertype is the innertype itself.
6471 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6473 * dwarf2out.c (file_name_acquire): Correct typo.
6475 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6477 * tree.h (tree_value_handle): Remove struct value_set declaration.
6478 Change value_set to bitmap_set.
6479 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6480 * tree-vn.c (get_value_handle): Made inline and moved to
6482 * tree-flow-inline.h: (has_stmt_ann): New function.
6483 * tree-ssa-pre.c (expressions): New variable.
6484 (next_expression_id): Ditto.
6485 (alloc_expression_id): New function.
6486 (struct value_set): Remove.
6487 (get_expression_id): New function.
6488 (get_or_alloc_expression_id): Ditto.
6489 (expression_for_id): Ditto.
6490 (clear_expression_ids): Ditto.
6491 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6492 (bb_value_sets): Renamed to bb_bitmap_sets.
6493 All value sets replaced with bitmap_sets.
6495 (BB_VISITED): New macro.
6496 (postorder): New variable.
6497 (add_to_value): Removed.
6498 (value_exists_in_set_bitmap): Ditto.
6499 (value_insert_into_set_bitmap): Ditto.
6502 (set_remove): Ditto.
6503 (set_contains_value): Ditto.
6504 (insert_into_set): Ditto.
6506 (find_leader): Ditto.
6507 (bitmap_set_subtract_from_value_set): Ditto.
6508 (value_insert_into_set): Ditto.
6509 (print_value_set): Ditto.
6510 (debug_value_set): Ditto.
6511 (constant_expr_p): New function.
6512 (bitmap_remove_from_set): Ditto.
6513 (bitmap_insert_into_set): Ditto.
6514 (bitmap_set_free): Ditto.
6515 (vh_compare): Ditto.
6516 (sorted_array_from_bitmap_set): Ditto.
6517 (bitmap_set_subtract): Ditto.
6518 (bitmap_set_equal): Ditto.
6519 (debug_bitmap_set): Ditto.
6520 (find_leader_in_sets): Ditto.
6521 (bitmap_set_replace_value): Modify for bitmapped sets.
6522 (phi_translate): Ditto.
6523 (phi_translate_set): Ditto.
6524 (bitmap_find_leader): Ditto.
6525 (valid_in_sets): Ditto.
6526 (union_contains_value): Ditto.
6528 (compute_antic_aux): Ditto. Mark changed blocks.
6529 (compute_antic): Ditto. Iterate in postorder and only over
6531 (compute_rvuse_and_antic_safe): Reuse postorder.
6532 (create_component_ref_by_pieces): Modify for bitmapped sets.
6533 (find_or_generate_expression): Ditto.
6534 (create_expression_by_pieces): Ditto.
6535 (insert_into_preds_of_block): Ditto.
6536 (changed_blocks): New variable.
6537 (do_regular_insertion): Broken out from insert_aux.
6538 (insert_aux): Modified for bitmapped sets.
6539 (find_existing_value_expr): New function.
6540 (create_value_expr_from): Use it.
6541 (insert_extra_phis): Removed.
6542 (print_bitmap_set): Renamed from bitmap_print_value_set.
6543 (compute_avail): Handle RETURN_EXPR.
6544 (init_pre): Modify for bitmapped sets.
6545 * tree-flow.h (has_stmt_ann): New function.
6547 2006-10-29 Roger Sayle <roger@eyesopen.com>
6549 * builtins.c (fold_builtin_floor): Check for the availability of
6550 the C99 trunc function before transforming floor into trunc.
6552 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6554 * builtins.c (fold_builtin_hypot): Rearrange recursive
6555 transformation before others, and also do ABS_EXPR. When
6556 necessary, check flag_unsafe_math_optimizations. When necessary,
6559 2006-10-29 Roger Sayle <roger@eyesopen.com>
6561 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6562 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6563 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6564 Fold -X eq/ne -Y as X eq/ne Y.
6566 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6568 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6569 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6570 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6571 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6572 Use an inclusive test for "mult" rather than "mul".
6573 (rotr<mode>3): Depend on ISA_HAS_ROR.
6574 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6576 (GENERATE_MULT3_DI): Delete.
6577 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6578 (ISA_HAS_MUL3): New macro.
6579 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6580 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6581 (ISA_HAS_CLZ_CLO): Likewise.
6582 (ISA_HAS_DCLZ_DCLO): Delete.
6583 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6584 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6585 the VR4120 and VR4130.
6586 (ISA_HAS_MACCHI): Use consistent formatting.
6587 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6588 (ISA_HAS_ROR): ...this new macro.
6589 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6590 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6591 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6593 2006-10-29 Roger Sayle <roger@eyesopen.com>
6595 PR tree-optimization/15458
6596 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6599 2006-10-29 Richard Guenther <rguenther@suse.de>
6601 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6602 (ix86_expand_truncdf_32): Likewise.
6603 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6604 trunc inline for SSE math and -fno-trapping-math and if not
6605 optimizing for size.
6606 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6607 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6608 for expanding btrunc inline for SSE math.
6610 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6612 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6613 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6614 i[34567]86-*-solaris2.1[0-9]*.
6615 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6616 Define conditionally depending on TARGET_64BIT_DEFAULT.
6617 (SPEC_32, SPEC_64): Define.
6618 (LINK_SPEC): Use them.
6619 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6621 2006-10-29 Richard Guenther <rguenther@suse.de>
6623 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6624 (ix86_expand_rounddf_32): Likewise.
6625 * config/i386/i386.c (ix86_expand_round): New function expanding
6626 round inline for SSE math and -fno-trapping-math and if not
6627 optimizing for size.
6628 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6629 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6630 round via ix86_expand_round.
6632 2006-10-29 Richard Guenther <rguenther@suse.de>
6634 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6635 (ix86_expand_floorceildf_32): Likewise.
6636 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6637 static helper function.
6638 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6640 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6641 * config/i386/i386.md (floordf2): Adjust to enable floor
6642 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6643 -fno-trapping-math is enabled and if not optimizing for size.
6644 (floorsf2, ceildf2, ceilsf2): Likewise.
6645 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6646 (sse2_maskcmpdf3): Likewise.
6648 2006-10-29 Richard Guenther <rguenther@suse.de>
6650 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6651 rint in case -fno-trapping-math is enabled.
6652 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6653 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6654 (ix86_expand_sse_fabs): Likewise.
6655 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6656 * config/i386/i386.md (rintdf2): Enable for SSE math if
6657 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6658 (rintsf2): Likewise.
6660 2006-10-29 Richard Guenther <rguenther@suse.de>
6662 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6663 to conversion optabs.
6664 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6665 as conversion optab.
6666 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6667 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6668 (lfloor_optab, lceil_optab): Adjust defines.
6669 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6670 lfloor and lceil optabs now being conversion optabs.
6671 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6672 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6673 New static helper function.
6674 (ix86_expand_lfloorceil): New function to expand lfloor and
6676 * config/i386/i386.md (lfloor<mode>2): Split into ...
6677 (lfloorxf<mode>2): ... x87 variant
6678 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6679 using ix86_expand_lfloorceil.
6680 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6682 * doc/md.texi (lfloorMN, lceilMN): Document.
6684 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6686 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6687 -mno-shared assembler option on mips targets.
6688 * configure, config.in: Regenerate.
6689 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6690 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6691 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6693 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6695 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6696 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6698 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6700 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6701 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6704 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6707 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6708 (fold_builtin_pow): Evaluate constant arguments at compile-time
6710 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6711 (do_mpfr_ckconv): New helper function.
6712 (do_mpfr_arg1): Use do_mpfr_ckconv.
6713 (do_mpfr_arg2): New.
6715 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6718 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6719 (-fdump-rtl-sched): Rename to ..
6720 (-fdump-rtl-sched1): here. Also fix file extension number.
6722 2006-10-28 Richard Guenther <rguenther@suse.de>
6724 * fold-const.c (maybe_canonicalize_comparison): Fix code
6727 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6729 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6730 (NON_QI_REG_P): Use IN_RANGE.
6731 (REX_INT_REGNO_P): Use IN_RANGE.
6732 (FP_REGNO_P): Use IN_RANGE.
6733 (SSE_REGNO_P): Use IN_RANGE.
6734 (REX_SSE_REGNO_P): Use IN_RANGE.
6735 (MMX_REGNO_P): Use IN_RANGE.
6736 (STACK_REGNO_P): New macro.
6737 (STACK_REG_P): Use STACK_REGNO_P.
6738 (NON_STACK_REG_P): Use STACK_REGNO_P.
6739 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6740 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6741 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6742 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6743 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6745 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6747 * except.h (output_function_exception_table): Add 'const char*' param.
6748 * except.c (switch_to_exception_section): Add 'const char*' param.
6749 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6750 and flag_function_sections is set, use a function-specific section.
6751 (output_function_exception_table): Add 'const char*' param.
6752 Adjust call to switch_to_exception_section.
6753 * final.c (rest_of_handle_final): Adjust calls to
6754 output_function_exception_table.
6755 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6756 * config.in: Regenerate.
6757 * configure: Likewise.
6759 2006-10-28 Richard Guenther <rguenther@suse.de>
6762 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6763 for maybe_canonicalize_comparison.
6764 (maybe_canonicalize_comparison): New function for canonicalizing
6766 (fold_comparison): Call it to canonicalize comparisons with
6769 2006-10-28 Richard Guenther <rguenther@suse.de>
6772 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6773 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6774 (expand_builtin): Adjust likewise.
6775 * genopinit.c (optabs[]): Add lround optab.
6776 * optabs.c (init_optabs): Initialize lround_optab.
6777 * optabs.h (enum convert_optab_index): Add COI_lround.
6778 (lround_optab): Define.
6779 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6780 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6782 (ix86_expand_lround): New function.
6783 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6785 * doc/md.texi (lroundMN2): Document.
6787 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6790 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6791 argument to HOST_WIDE_INT. Update function prototype.
6792 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6793 "size" argument to HOST_WIDE_INT. Update function prototype.
6795 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6797 * config/i386/i386.c (output_387_ffreep): Create output from a
6798 template string for !HAVE_AS_IX86_FFREEP.
6800 2006-10-27 Eric Christopher <echristo@apple.com>
6802 * config/darwin.c: Fix formatting and grammar.
6804 2006-10-27 Jan Hubicka <jh@suse.cz>
6806 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6807 to be thrown away soon when IGNORE is set.
6808 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6809 indicating when return value shall not be computed.
6810 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6812 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6814 * config/i386/i386.h (TARGET_GEODE):
6815 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6816 (TARGET_CPU_DEFAULT_geode): New macro.
6817 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6818 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6819 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6820 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6821 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6823 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6824 (processor_type): Add PROCESSOR_GEODE.
6826 * config/i386/i386.md: Include geode.md.
6829 * config/i386/i386.c (geode_cost): New initialized global
6831 (m_GEODE, m_K6_GEODE): New macros.
6832 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6833 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6834 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6835 x86_schedule): Use m_K6_GEODE instead of m_K6.
6836 (x86_movx, x86_cmove): Set up m_GEODE.
6837 (x86_integer_DFmode_moves): Clear m_GEODE.
6838 (processor_target_table): Add entry for geode.
6839 (processor_alias_table): Ditto.
6841 * config/i386/geode.md: New file.
6843 * doc/invoke.texi: Add entry about geode processor.
6845 2006-10-27 Mike Stump <mrs@apple.com>
6847 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6848 __DYNAMIC__ from here back to ...
6849 * config/darwin.h (CPP_SPEC): ... here.
6851 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6852 Nathan Sidwell <nathan@codesourcery.com>
6854 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6855 when choosing the minimum heapsize.
6857 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6859 * gcc/unwind-dw2.h: Move cfa-related variables into
6860 struct frame_state_reg_info to ensure that the CFA is properly
6861 handled when executing DW_CFA_{remember,restore}_state.
6862 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6863 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6864 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6865 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6866 gcc/config/rs6000/linux-unwind.h,
6867 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6868 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6869 Modify to use new cfa_* fields.
6871 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6873 * config/s390/s390.c (s390_init_frame_layout): Check positive
6876 2006-10-26 Ben Elliston <bje@au.ibm.com>
6878 * gimplify.c (get_name): Remove extraneous break.
6879 (gimplify_omp_for): Initialise ret with GS_OK.
6881 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6883 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6884 Add unix98.o to link line.
6886 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6889 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6890 Calculate compile-time constants using MPFR.
6891 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6892 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6894 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6896 * config/xtensa/lib2funcs.S: Use C-style comments.
6898 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6900 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6901 (file_table_relative_p): Likewise.
6902 (dwarf2out_finish): Likewise.
6903 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6905 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6907 * tree-ssa-structalias.c (intra_create_variable_infos):
6908 Don't recreate nonlocal_all if it already exists.
6910 2006-10-25 Richard Guenther <rguenther@suse.de>
6913 * optabs.h (enum optab_index): Remove OTI_lrint.
6914 (enum convert_optab_index): Add COI_lrint.
6915 (lrint_optab): Adjust.
6916 (expand_sfix_optab): Declare.
6917 * optabs.c (expand_sfix_optab): New function.
6918 (init_optabs): Init lrint_optab as conversion optab.
6919 * genopinit.c (lrint_optab): Change to a conversion optab.
6920 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6921 expansion via conversion optab.
6922 * config/i386/i386.md (*fistdi2_1): Remove
6923 flag_unsafe_math_optimizations guard.
6924 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6925 fist<mode>2_with_temp): Likewise.
6926 (lrint<mode>2): Split into...
6927 (lrintxf<mode>2): ... x87 part
6928 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6929 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6930 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6931 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6932 * doc/md.texi (lrintMN2): Document.
6934 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6937 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6938 Use inc and dec instructions for TARGET_USE_INCDEC.
6939 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6940 ("sync_double_compare_and_swap<mode>"): Likewise.
6941 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6942 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6943 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6944 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6945 ("sync_old_add<mode>"): Likewise.
6946 ("sync_lock_test_and_set<mode>"): Likewise.
6947 ("sync_lock_test_and_set<mode>"): Likewise.
6948 ("sync_add<mode>"): Likewise.
6949 ("sync_sub<mode>"): Likewise.
6950 ("sync_ior<mode>"): Likewise.
6951 ("sync_and<mode>"): Likewise.
6952 ("sync_xor<mode>"): Likewise.
6954 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6956 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6957 (remainder_optab): Define corresponding macro.
6958 (drem_optab): Remove.
6959 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6960 drem_optab initialization.
6961 * genopinit.c (optabs): Implement remainder_optab using
6962 remainder?f3 patterns. Remove drem_optab.
6963 * builtins.c (expand_builtin_mathfn_2): Handle
6964 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6965 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6966 expand_builtin_mathfn_2.
6968 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6969 depend on flag_unsafe_math_optimizations.
6971 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6972 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6973 Do not depend on flag_unsafe_math_optimizations. Use
6974 truncxf?f expander instead of truncxf?f_i387_noop.
6976 ("fpremxf4", "fprem1xf4"): Do not depend on
6977 flag_unsafe_math_optimizations.
6978 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6979 flag_unsafe_math_optimizations. Use truncxf?f expander
6980 instead of truncxf?f_i387_noop.
6982 * doc/md.texi (fmod, remainder): Document standard named pattern.
6984 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6985 David Daney <ddaney@avtrex.com>
6988 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6990 2006-10-25 Ben Elliston <bje@au.ibm.com>
6992 * doc/extend.texi (Variable Attributes): Typo fix.
6994 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6996 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6997 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6998 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6999 (FRAME_POINTER_REGNUM): Update register number to 21.
7000 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7001 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7003 * config/i386/i386.c (regclass_map): Add fpcr entry.
7004 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7006 (print_reg): Assert REGNO (x) != FPCR_REG.
7008 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7009 (DIRFLAG_REG): Renumber.
7010 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7011 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7012 (sse_prologue_save, *sse_prologue_save_insn): Renumber
7013 hardcoded SSE register numbers.
7015 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7016 hardcoded MMX register numbers.
7018 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7021 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7022 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7024 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7025 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7026 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7027 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7029 2006-10-24 Richard Guenther <rguenther@suse.de>
7032 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7033 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7034 for deciding optimizations in consistency with fold-const.c
7035 (fold_builtin_unordered_cmp): Likewise.
7037 2006-10-24 Richard Guenther <rguenther@suse.de>
7039 * builtins.c (fold_builtin_floor): Fold floor (x) where
7040 x is nonnegative to trunc (x).
7041 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7042 nonnegative to FIX_TRUNC_EXPR.
7044 2006-10-24 Richard Guenther <rguenther@suse.de>
7046 PR tree-optimization/29567
7047 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7048 for TRUTH_NOT_EXPR. Clarify comments.
7050 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7053 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7054 at compile-time using MPFR. Change parameter VALUE to FUNC,
7056 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7057 for overflow and underflow at all times and avoid folding in
7060 2006-10-24 Ben Elliston <bje@au.ibm.com>
7062 * reload1.c: Formatting fixes.
7064 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7066 PR tree-optimization/14784
7067 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7068 * tree-ssa-structalias.c (get_constraint_for,
7069 intra_create_variable_infos): Set is_heapvar.
7070 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7071 non-heapvar pointer variables specially.
7073 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7076 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7077 fold_builtin_tan): Fold all constant arguments. Take a "type"
7078 argument as necessary.
7079 (do_mpfr_arg1): New.
7080 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7082 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7084 * config/xtensa/lib1funcs.asm: Use C-style comments.
7086 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7088 * tree.c (local_define_builtin): Replace calls to
7089 lang_hooks.builtin_function with add_builtin_function.
7090 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7092 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7094 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7095 common code to add_builtin_function.
7096 * langhooks.c (add_builtin_function): New function.
7097 (lhd_builtin_function): New function.
7098 * langhooks.h (struct lang_hooks): Change the signature of
7100 (add_builtin_function): New function.
7101 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7102 calls to lang_hooks.builtin_function with add_builtin_function.
7103 * c-common.c (decl_builtin_1): Replace calls to
7104 lang_hooks.builtin_function with add_builtin_function.
7105 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7106 lang_hooks.builtin_function with add_builtin_function.
7107 * config/frv/frv.c (def_builtin): Replace calls to
7108 lang_hooks.builtin_function with add_builtin_function.
7109 * config/s390/s390.c (s390_init_builtins): Replace calls to
7110 lang_hooks.builtin_function with add_builtin_function.
7111 * config/sparc/sparc.c (def_builtin): Replace calls to
7112 lang_hooks.builtin_function with add_builtin_function.
7113 * config/i386/i386.c (def_builtin): Replace calls to
7114 lang_hooks.builtin_function with add_builtin_function.
7115 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7116 lang_hooks.builtin_function with add_builtin_function.
7117 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7118 lang_hooks.builtin_function with add_builtin_function.
7119 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7120 Replace calls to lang_hooks.builtin_function with
7121 add_builtin_function.
7122 * config/iq2000/iq2000.c (def_builtin):
7123 Replace calls to lang_hooks.builtin_function with
7124 add_builtin_function.
7125 * config/ia64/ia64.c (def_builtin): Replace calls to
7126 lang_hooks.builtin_function with add_builtin_function.
7127 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7128 lang_hooks.builtin_function with add_builtin_function.
7129 (altivec_init_builtins): Replace calls to
7130 lang_hooks.builtin_function with add_builtin_function.
7131 * config/arm/arm.c (def_mbuiltin): Replace calls to
7132 lang_hooks.builtin_function with add_builtin_function.
7133 (arm_init_tls_builtins): Replace calls to
7134 lang_hooks.builtin_function with add_builtin_function.
7135 * config/mips/mips.c (mips_init_builtins): Replace calls to
7136 lang_hooks.builtin_function with add_builtin_function.
7137 * config/bfin/bfin.c (def_builtin): Replace calls to
7138 lang_hooks.builtin_function with add_builtin_function.
7139 * langhooks-def.h (lhd_builtin_function): New function.
7140 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7142 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7144 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7145 BUILT_IN_STRNCAT_CHK.
7147 2006-10-23 Jan Hubicka <jh@suse.cz>
7149 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7150 don't do conversion from memmove to memcpy here.
7151 (expand_builtin_bcopy, expand_builtin): Update call of
7152 expand_builtin_memmove.
7153 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7155 2006-10-23 Paul Brook <paul@codesourcery.com>
7157 * stor-layout.c (start_record_layout): maximum_field_alignment
7158 overrides STRUCTURE_SIZE_BOUNDARY.
7160 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7162 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7163 nonlocal function symbols if flag_pic.
7165 2006-10-23 Richard Guenther <rguenther@suse.de>
7169 * builtins.c (fold_binary): Remove checks for flag_wrapv
7170 and flag_trapv where negate_expr_p covers these cases.
7172 2006-10-23 Richard Guenther <rguenther@suse.de>
7175 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7176 of two on the absolute value.
7177 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7178 and negating -C does not overflow.
7180 2006-10-23 Richard Guenther <rguenther@suse.de>
7183 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7184 only if not flag_rounding_math.
7186 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7187 Kaz Kojima <kkojima@gcc.gnu.org>
7190 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7191 SImode memory reference for the source of a movua.
7192 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7193 (movua): Use an unspec instead of sign_extract. Expect the source
7194 to have mode BLKmode.
7195 (extv, insv): Use a BLKmode rather than SImode memory reference
7196 for the source of a movua.
7198 2006-10-22 Jeff Law <law@redhat.com>
7199 Richard Guenther <rguenther@suse.de>
7201 PR tree-optimization/15911
7202 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7203 (register_edge_assert_for_1): Likewise.
7204 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7205 (find_conditional_asserts): Adjust for new function signature.
7206 (find_assert_locations): Likewise.
7208 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7210 * config/i386/tmmintrin.h: Remove the duplicated content.
7212 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7214 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7215 (x86_64-*-*): Likewise.
7217 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7218 (override_options): Check SSSE3.
7219 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7220 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7221 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7222 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7223 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7224 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7225 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7226 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7227 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7228 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7229 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7230 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7231 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7232 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7233 IX86_BUILTIN_PABSD128.
7234 (bdesc_2arg): Add SSSE3.
7235 (bdesc_1arg): Likewise.
7236 (ix86_init_mmx_sse_builtins): Support SSSE3.
7237 (ix86_expand_builtin): Likewise.
7238 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7240 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7241 (UNSPEC_PSIGN): Likewise.
7242 (UNSPEC_PALIGNR): Likewise.
7243 Include mmx.md before sse.md.
7245 * config/i386/i386.opt: Add -mssse3.
7247 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7248 (ssse3_phaddwv4hi3): Likewise.
7249 (ssse3_phadddv4si3): Likewise.
7250 (ssse3_phadddv2si3): Likewise.
7251 (ssse3_phaddswv8hi3): Likewise.
7252 (ssse3_phaddswv4hi3): Likewise.
7253 (ssse3_phsubwv8hi3): Likewise.
7254 (ssse3_phsubwv4hi3): Likewise.
7255 (ssse3_phsubdv4si3): Likewise.
7256 (ssse3_phsubdv2si3): Likewise.
7257 (ssse3_phsubswv8hi3): Likewise.
7258 (ssse3_phsubswv4hi3): Likewise.
7259 (ssse3_pmaddubswv8hi3): Likewise.
7260 (ssse3_pmaddubswv4hi3): Likewise.
7261 (ssse3_pmulhrswv8hi3): Likewise.
7262 (ssse3_pmulhrswv4hi3): Likewise.
7263 (ssse3_pshufbv16qi3): Likewise.
7264 (ssse3_pshufbv8qi3): Likewise.
7265 (ssse3_psign<mode>3): Likewise.
7266 (ssse3_psign<mode>3): Likewise.
7267 (ssse3_palignrti): Likewise.
7268 (ssse3_palignrdi): Likewise.
7269 (abs<mode>2): Likewise.
7270 (abs<mode>2): Likewise.
7272 * config/i386/tmmintrin.h: New file.
7274 * doc/extend.texi: Document SSSE3 built-in functions.
7276 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7278 2006-10-22 Ira Rosen <irar@il.ibm.com>
7280 * tree-vect-transform.c (vectorizable_load): Use the type of the
7281 return value of the mask_for_load builtin to create realign_load
7284 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7286 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7289 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7291 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7292 (UNSPEC_LDDQU): This.
7293 * config/i386/sse.md (sse3_lddqu): Updated.
7295 2006-10-21 Richard Guenther <rguenther@suse.de>
7297 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7298 (expand_builtin): Use it to expand lrint instead of
7299 expand_builtin_mathfn.
7301 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7304 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7305 flag_unsafe_math_optimizations is set.
7307 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7310 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7311 patterns to use memory input operand in x87->mem->XMM
7312 reload sequences. Skip transformation for TARGET_K8.
7314 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7316 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7317 force operand1 to register if both operands are memory operands.
7318 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7319 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7320 if both operands are memory operands.
7321 (truncdfsf2): Do not force operand1 to register if both operands
7322 are memory operands.
7324 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7326 * Makefile.in (LIBS): Add $(GMPLIBS).
7327 * doc/install.texi: Update GMP and MPFR requirements.
7328 * doc/sourcebuild.texi (need_gmp): Delete.
7330 2006-10-21 Richard Guenther <rguenther@suse.de>
7332 PR tree-optimization/3511
7333 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7334 got new invariant arguments during PHI translation.
7336 2006-10-21 Richard Guenther <rguenther@suse.de>
7339 * fold-const.c (fold_comparison): Fold signed comparisons
7340 of the form X +- C1 CMP Y +- C2.
7342 2006-10-21 Richard Guenther <rguenther@suse.de>
7345 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7346 if flag_unsafe_math_optimizations is specified. We have
7347 flag_finite_math_only for that.
7348 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7349 or flag_unsafe_math_optimizations.
7351 2006-10-21 Richard Guenther <rguenther@suse.de>
7353 * builtins.c (fold_builtin_classify): Fix typo.
7355 2006-10-21 Richard Guenther <rguenther@suse.de>
7358 * simplify-rtx.c (simplify_const_relational_operation):
7359 Do not constant-fold ORDERED and UNORDERED for
7360 flag_unsafe_math_optimizations but only we do not need to
7361 honor NaNs for the given mode.
7363 2006-10-21 Richard Guenther <rguenther@suse.de>
7366 * config/i386/i386.c (classify_argument): Remove redundant
7367 walking of the BINFOs.
7368 (contains_128bit_aligned_vector_p): Likewise.
7370 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7372 * BASE-VER: Set to 4.3.0.
7374 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7376 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7377 (tree_decl_with_vis): Remove artificial_pta_var flag.
7378 * tree-flow.h (referenced_var_check_and_insert): Expose.
7379 (nonlocal_all): New prototype.
7380 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7381 (nonlocal_all): Make global.
7382 (nonlocal_lookup): Remove.
7383 (nonlocal_insert): Ditto.
7384 (create_nonlocal_var): Do not call nonlocal_insert.
7385 (get_nonlocal_id_for_type): Remove.
7386 (find_global_initializers): Mark new vars we find for renaming.
7387 (intra_create_variable_infos): Only create one nonlocal.
7388 (expand_nonlocal_solutions): Remove.
7389 (compute_points_to_sets): Don't call it.
7390 (ipa_pta_execute): Ditto.
7391 (init_alias_heapvars): Don't create nonlocal_for_type.
7392 (delete_alias_heapvars): Don't remove it.
7393 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7396 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7398 * doc/install.texi (Downloading GCC): Clarify mention of
7399 Fortran in the "full distribution" description.
7401 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7403 Fix PR tree-optimization/28778
7404 Fix PR tree-optimization/29156
7405 Fix PR tree-optimization/29415
7406 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7407 (tree_decl_with_vis): Add artificial_pta_var flag.
7408 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7409 pushed into callers.
7410 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7411 (nonlocal_all): Ditto.
7412 (struct variable_info): Add directly_dereferenced member.
7413 (var_escaped_vars): New variable.
7414 (escaped_vars_tree): Ditto.
7415 (escaped_vars_id): Ditto.
7416 (nonlocal_vars_id): Ditto.
7417 (new_var_info): Set directly_dereferenced.
7418 (graph_size): New variable
7419 (build_constraint_graph): Use graph_size.
7420 (solve_graph): Don't process constraints that cannot change the
7421 solution, don't try to propagate an empty solution to our
7423 (process_constraint): Set directly_dereferenced.
7424 (could_have_pointers): New function.
7425 (get_constraint_for_component_ref): Don't process STRING_CST.
7426 (nonlocal_lookup): New function.
7427 (nonlocal_insert): Ditto.
7428 (create_nonlocal_var): Ditto.
7429 (get_nonlocal_id_for_type): Ditto.
7430 (get_constraint_for): Allow results vector to be empty in the case
7431 of string constants.
7432 Handle results of calls properly.
7433 (update_alias_info): Update alias info stats on number and type of
7435 (find_func_aliases): Use could_have_pointers.
7436 (make_constraint_from_escaped): Renamed from
7437 make_constraint_to_anything, and changed to make constraints from
7439 (make_constraint_to_escaped): New function.
7440 (find_global_initializers): Ditto.
7441 (create_variable_info_for): Make constraint from escaped to any
7442 global variable, and from any global variable to the set of
7444 (intra_create_variable_infos): Deal with escaped instead of
7445 pointing to anything.
7446 (set_uids_in_ptset): Do type pruning on directly dereferenced
7448 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7449 (init_base_vars): Fix comment, and initialize escaped_vars.
7450 (need_to_solve): Removed.
7451 (find_escape_constraints): New function.
7452 (expand_nonlocal_solutions): Ditto.
7453 (compute_points_to_sets): Call find_escape_constraints and
7454 expand_nonlocal_solutions.
7455 (delete_points_to_sets): Don't fall off the end of the graph.
7456 (init_alias_heapvars): Initialize nonlocal_for_type and
7458 (delete_alias_heapvars): Free nonlocal_for_type and null out
7461 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7463 * fold-const.c (add_double): Rename to add_double_with_sign.
7464 Add 'unsigned_p' parameter and take it into account for the overflow.
7465 (mul_double): Rename to mul_double_with_sign.
7466 Add 'unsigned_p' parameter and take it into account for the overflow.
7467 (fold_div_compare): Call add_double_with_sign instead of add_double
7468 and mul_double_with_sign instead of mul_double, passing them the
7469 unsignedness of the type.
7470 * tree.h (add_double): Macroize.
7471 (add_double_with_sign): New prototype.
7472 (mul_double): Macroize.
7473 (mul_double_with_sign): New prototype.
7475 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7477 * config/score/crti.asm: New file.
7478 * config/score/crtn.asm: New file.
7479 * config/score/elf.h: New file.
7480 * config/score/mac.md: New file.
7481 * config/score/misc.md: New file.
7482 * config/score/mul-div.S: New file.
7483 * config/score/predicates.md: New file.
7484 * config/score/score7.md: New file.
7485 * config/score/score.c: New file.
7486 * config/score/score-conv.h: New file.
7487 * config/score/score.h: New file.
7488 * config/score/score.md: New file.
7489 * config/score/score-mdaux.c: New file.
7490 * config/score/score-mdaux.h: New file.
7491 * config/score/score-modes.def: New file.
7492 * config/score/score.opt: New file.
7493 * config/score/score-protos.h: New file.
7494 * config/score/score-version.h: New file.
7495 * config/score/t-score-elf: New file.
7496 * config.gcc: Add score*-*-* configurations(Update before).
7497 * doc/invoke.texi (Score Options): New section.
7498 * doc/md.texi (Score family): New section to document constraints.
7500 2006-10-19 Nick Clifton <nickc@redhat.com>
7502 * config/arm/arm.c: Fix spelling typo.
7504 2006-10-18 Tom Tromey <tromey@redhat.com>
7506 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7508 2006-10-18 Jan Hubicka <jh@suse.cz>
7511 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7514 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7516 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7517 TSI_SAME_STMT, since that's the desired entity.
7519 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7521 * config/s390/contraints.md: New file.
7522 * config/s390/s390-protos.h (s390_mem_constraint,
7523 s390_O_constraint_str, s390_N_constraint_str,
7524 s390_float_const_zero_p): Function prototypes added.
7525 * config/s390/s390.c (s390_extra_constraint_str,
7526 s390_const_double_ok_for_constraint_p,
7527 s390_const_ok_for_constraint_p): Functions removed.
7528 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7529 s390_float_const_zero_p): New functions.
7530 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7531 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7532 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7533 Macro definitions removed.
7534 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7535 s390_extra_constraint_str): Functions removed.
7537 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7538 Richard Sandiford <richard@codesourcery.com>
7541 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7542 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7544 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7546 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7547 (DWARF2_FRAME_REG_OUT): Likewise.
7548 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7549 (DWARF2_FRAME_REG_OUT): Likewise.
7551 2006-10-17 Paul Brook <paul@codesourcery.com>
7553 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7555 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7557 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7558 Standardize on "GNU Fortran" as the official name of the Fortran
7561 2006-10-16 Mike Stump <mrs@apple.com>
7563 * doc/invoke.texi (Darwin Options): Document -mkernel.
7564 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7566 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7567 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7568 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7569 (OS_MISSING_ALTIVEC): Add.
7570 * config/i386/i386.c (override_options): Add
7571 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7572 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7573 -mkernel, -static or -mdynamic-no-pic is given.
7574 (C_COMMON_OVERRIDE_OPTIONS): Add.
7575 * config/darwin.opt (fapple-kext): Add.
7577 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7578 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7580 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7581 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7582 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7583 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7584 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7585 (flag_mkernel): Add.
7586 (flag_apple_kext): Add.
7587 (TARGET_KEXTABI): Add.
7588 * config/darwin.c (darwin_handle_kext_attribute): Add.
7589 (DARWIN_VTABLE_P): Add.
7590 (darwin_binds_local_p): Add partial support for rebinding vtables
7592 (darwin_kextabi_p): Add.
7593 (darwin_override_options): Add.
7594 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7595 (darwin_kextabi_p): Add.
7596 (darwin_override_options): Add.
7597 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7598 __DYNAMIC__ and __STATIC__ here.
7600 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7602 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7603 Added mention of "make pdf" target, and Texinfo requirements for
7606 2006-10-16 DJ Delorie <dj@redhat.com>
7608 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7609 into the GOT in case we need a subreg of the address.
7611 2006-10-16 Richard Guenther <rguenther@suse.de>
7614 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7615 SSE builtin documentation. Document SSE2 builtins.
7617 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7619 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7620 symbol in the output file for non-shared links when -nostdlib or
7621 -nodefaultlibs isn't specified.
7623 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7624 posix thread support.
7626 2006-10-15 Jan Hubicka <jh@suse.cz>
7629 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7630 declared always_inline even when not inlining.
7632 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7633 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7634 Andrew Pinski <pinskia@gmail.com>
7637 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7639 2006-10-15 Jan Hubicka <jh@suse.cz>
7640 Richard Guenther <rguenther@suse.de>
7643 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7644 process_function_and_variable_attributes on all variables, including
7645 those discovered during cgraph construction phase.
7647 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7649 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7651 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7653 * config/i386/athlon.md (athlon_fist): Add fisttp.
7655 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7656 Ian Lance Taylor <ian@airs.com>
7659 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7660 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7663 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7665 * config/score/score.c, config/score/score.h: Fix comment
7668 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7671 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7674 2006-10-13 Eric Christopher <echristo@apple.com>
7676 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7678 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7681 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7682 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7683 alignment supported by 32-bit ELF.
7685 2006-10-13 Eric Christopher <echristo@apple.com>
7687 * config/darwin.c (darwin_emit_unwind_label): Strip
7688 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7690 2006-10-13 Richard Guenther <rguenther@suse.de>
7692 PR tree-optimization/29446
7693 * tree-vrp.c (fix_equivalence_set): Remove.
7694 (extract_range_from_assert): Do not call fix_equivalence_set.
7695 (debug_value_range): Print a newline.
7696 (compare_name_with_value): For equivalence sets with
7697 inconsistent value ranges conservatively bail out.
7698 (compare_names): Likewise.
7700 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7702 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7703 and MPFR for gfortran.
7705 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7707 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7708 alignment supported by 32-bit ELF.
7710 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7714 * c-typeck.c (digest_init): Always allow initializing vectors
7715 that have static storage duration with compound literals.
7716 * tree.c (build_type_attribute_qual_variant): New, based on
7717 build_type_attribute_variant.
7718 (build_type_attribute_variant): Rewrite using the former.
7719 (make_vector_type): Use build_type_attribute_qual_variant to build
7720 type variants. Use type_hash_canon on the others.
7722 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7723 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7725 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7727 2006-10-12 Jan Hubicka <jh@suse.cz>
7730 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7731 current_function_decl is set but current_function_scope is not.
7733 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7735 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7736 emit_insn to emit eh_return_internal instruction.
7737 (eh_return_internal): Explicitly set pc.
7739 2006-10-11 Richard Guenther <rguenther@suse.de>
7741 PR tree-optimization/28230
7742 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7743 to the correct place.
7745 2006-10-11 Richard Guenther <rguenther@suse.de>
7748 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7751 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7753 * configure.ac: Added pdf to "Make-hooks"
7754 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7755 targets and *.pdf file patterns in cleanup targets.
7756 * configure: Regenerated.
7758 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7760 * config/avr/predicates.md: New file.
7761 * config/avr/avr.md: Include it.
7762 (REG_SP): New constant.
7763 (peepholes): Use predicates.
7764 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7765 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7766 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7768 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7770 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7773 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7776 * builtins.c (var_decl_component_p): New function.
7777 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7778 single entry optimization to variables and components thereof.
7780 2006-10-10 Richard Guenther <rguenther@suse.de>
7782 PR rtl-optimization/29323
7783 * except.c (set_nothrow_function_flags): For functions
7784 that do not bind local bail out early.
7786 2006-10-10 Ben Elliston <bje@au.ibm.com>
7788 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7791 2006-10-09 Richard Henderson <rth@redhat.com>
7793 Revert emutls patch.
7795 2006-10-09 Richard Guenther <rguenther@suse.de>
7798 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7801 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7804 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7805 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7806 * configure: Regenerate.
7807 * config.in: Regenerate.
7809 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7811 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7813 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7815 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7816 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7817 Remove stray newline.
7819 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7821 * config/mips/mips.c (mips_classify_symbol): Do not return
7822 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7823 (mips_in_small_data_p): Tweak comments.
7825 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7827 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7829 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7831 * gimplify.c, sched-int.h: Fix comment typos.
7833 * sched-int.h: Fix comment typos.
7835 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7837 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7839 * sched-ebb.c (begin_schedule_ready): Use them.
7840 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7841 add_to_speculative_block, create_check_block_twin, speculate_insn,
7842 fix_jump_move, move_block_after_check): Ditto.
7843 * sched-rgn.c (new_ready): Ditto.
7845 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7847 PR rtl-optimization/29128
7848 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7849 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7850 allow interblock movement of speculation checks.
7852 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7855 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7856 casted to integer type.
7857 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7858 if they are significantly more expensive than [reg + index] ones.
7860 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7862 PR tree-optimization/29330
7863 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7864 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7865 on newly allocated ddrs.
7866 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7867 to VEC (loop_p, heap) pointer.
7868 (compute_data_dependences_for_loop): Adjust caller.
7869 (free_dependence_relations): Free DDR_LOOP_NEST.
7871 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7872 free DEPENDENCE_RELATIONS and DATAREFS.
7875 * builtins.c (expand_builtin_sync_operation,
7876 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7877 Use convert_to_mode to handle promoted arguments.
7879 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7881 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7883 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7885 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7887 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7889 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7890 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7891 Use <modeconstraint> instead of "r" as operand 1 constraint.
7893 2006-10-06 Olivier Hainque <hainque@adacore.com>
7895 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7896 Don't recurse on the pointed-to type.
7897 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7898 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7899 types with components of variable size.
7901 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7903 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7905 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7907 PR tree-optimization/29290
7908 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7912 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7913 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7916 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7917 the number of vector elements fill the rest with zeros.
7919 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7921 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7922 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7925 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7927 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7928 unnamed pattern into subsi3. Use correct constraints/predicates.
7929 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7930 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7932 2006-10-05 Ira Rosen <irar@il.ibm.com>
7934 * doc/loop.texi: Add data references analysis description.
7936 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7938 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7940 2006-10-04 Richard Henderson <rth@redhat.com>
7941 Jakub Jelinek <jakub@redhat.com>
7943 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7944 * builtin-types.def (BT_WORD): Make unsigned.
7945 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7946 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7947 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7948 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7949 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7950 * cgraph.c (decide_is_variable_needed): Look at force_output.
7951 Recurse for emulated tls.
7952 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7953 checks redundant with decide_is_variable_needed.
7954 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7955 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7957 * expr.c (emutls_var_address): New.
7958 (expand_expr_real_1): Expand emulated tls.
7959 (expand_expr_addr_expr_1): Likewise.
7960 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7961 * output.h (emutls_finish): Declare.
7962 * toplev.c (compile_file): Call it.
7963 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7964 address before wrapping in CONST.
7965 * varasm.c (emutls_htab, emutls_object_type): New.
7966 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7967 (get_emutls_object_name, get_emutls_object_type): New.
7968 (get_emutls_init_templ_addr, emutls_decl): New.
7969 (emutls_common_1, emutls_finish): New.
7970 (assemble_variable): When emulating tls, swap decls; generate
7971 constructor for the emutls objects.
7972 (do_assemble_alias): When emulating tls, swap decl and target name.
7973 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7975 * emutls.c: New file.
7976 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7977 tls_object for real tls.
7979 2006-10-04 Zack Weinberg <zackw@panix.com>
7981 Fix bug in constraint-check generator, reported by Rask Ingemann
7983 * genpreds.c (add_constraint): Don't remove anything from the
7985 (write_tm_constrs_h): Detect whether "op" argument is used, and
7986 mark it ARG_UNUSED if it isn't.
7987 (write_insn_const_int_ok_for_constraint): Skip the part of the
7988 expression that would test whether "op" (which is not available
7989 here) is a CONST_INT.
7991 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7994 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7996 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7998 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7999 current Leopard versions.
8000 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8002 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
8004 * doc/install.texi: Fix typos.
8006 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8008 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8009 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8010 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8012 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
8014 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8015 arg to be struct mach_header_64* instead.
8017 2006-10-02 Jakub Jelinek <jakub@redhat.com>
8020 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8021 side effects after the outer expression's post side effects.
8023 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8025 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8026 comments to reflect actual behavior and relationship between
8027 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8029 * doc/c-tree.texi (Working with declarations): Fix documentation
8030 of FIELD_DECL likewise.
8032 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8035 * doc/extend.texi: Add used variable attribute description.
8037 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8040 * c.opt (Woverride-init): New.
8041 * c-opts.c (c_common_post_options): Default warn_override_init to
8043 * c-typeck.c (add_pending_init, output_init_element): Warn for
8044 overriding initializers without side effects.
8045 * doc/invoke.texi (-Woverride-init): Document.
8048 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8050 PR rtl-optimization/28096
8051 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8052 assignment has already been used as a destination earlier in the block.
8054 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8056 * builtins.c (expand_builtin_setjmp): Delete.
8057 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8058 <BUILT_IN_SETJMP_SETUP>: New case.
8059 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8060 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8061 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8062 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8063 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8064 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8065 (lower_function_body): Initialize it to false. If it is set to true
8066 at the end of the processing, emit the setjmp dispatcher.
8067 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8068 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8069 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8070 on the rhs of the assignment.
8071 (lower_builtin_setjmp): New function.
8072 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8073 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8074 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8075 to detect calls that can go to non-local labels. Use specific
8076 helper to create the abnormal edges associated with them.
8077 <MODIFY_EXPR>: Likewise.
8078 (make_abnormal_goto_edges): New function extracted from...
8079 (make_goto_expr_edges): ...here. Call it for computed gotos.
8080 (simple_goto_p): Minor tweak.
8081 (tree_can_make_abnormal_goto): New predicate.
8082 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8083 (tree_purge_dead_abnormal_call_edges): New function.
8084 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8085 (tree_purge_dead_abnormal_call_edges): Likewise.
8086 (make_abnormal_goto_edges): Likewise.
8087 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8088 Purge all dead abnormal edges if the call was in the last statement.
8089 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8090 (execute_fixup_cfg): If there are non-local labels in the function,
8091 scan the basic blocks and split them at calls that can go to non-local
8092 labels or add missing abnormal call edges. Write down the CFG in the
8094 (pass_fixup_cfg): Remove TODO_dump_func flag.
8095 * unwind-sjlj.c: Poison setjmp.
8096 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8097 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8098 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8099 (DONT_USE_BUILTIN_SETJMP): Document it.
8101 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8104 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8105 to 1 when __ppc64__ is defined.
8106 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8108 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8110 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8112 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8113 * config/ia64/unwind-hpux.c: Delete.
8115 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8117 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8118 on the element before gimplifying it, instead of punting if it is of
8121 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8123 * doc/loop.texi: New file.
8124 * doc/gccint.texi: Reference loop.texi.
8125 * Makefile.in (loop.texi): Add.
8127 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8129 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8131 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8132 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8134 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8136 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8138 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8140 * doc/install.texi: Document required versions of GMP and MPFR.
8142 2006-09-27 Paul Brook <paul@codesourcery.com>
8145 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8147 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8149 * reload1.c (alter_reg): Require the alignment of the stack slot to
8150 be at least reg_max_ref_width bytes.
8151 (scan_paradoxical_subregs): Record the largest width in
8154 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8158 * tree-nested.c (struct nesting_info): Added static_chain_added.
8159 (convert_call_expr): Set static_chain_added when adding static
8160 chain. Handle OMP_PARALLEL and OMP_SECTION.
8162 2006-09-25 Matthias Klose <doko@debian.org>
8164 * doc/invoke.texi: Add missing full stop.
8166 2006-09-25 Richard Henderson <rth@redhat.com>
8168 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8169 before cgraph_function_flags_ready.
8171 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8172 Adam Nemet <anemet@caviumnetworks.com>
8174 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8175 determine_common_wider_type): New functions.
8176 (get_computation_aff): Use them to simplify arithmetic between
8177 UBASE and CBASE if they are shortened from the same type.
8179 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8182 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8183 -2147483647 - 1 instead of 0x80000000.
8185 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8187 * flags.h (HONOR_NANS): Fix typo in comment.
8189 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8191 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8193 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8197 * tree.c (merge_attributes, attribute_list_contained): If both
8198 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8200 * c-typeck.c (comptypes_internal): Don't consider aggregates
8201 in different TUs as compatible if there one set of attributes is
8202 not a subset of the other type's attributes.
8203 (composite_type): Try harder not to create a new aggregate type.
8205 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8207 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8208 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8209 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8210 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8211 than replicating condition above.
8212 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8214 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8215 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8216 the linker by default.
8218 2006-09-22 Mike Stump <mrs@apple.com>
8220 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8223 2006-09-22 Richard Guenther <rguenther@suse.de>
8226 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8227 sort of stack variables stable.
8229 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8232 * explow.c (force_reg): Set REG_POINTER flag according to
8235 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8237 PR tree-optimization/28888
8238 * tree-if-conv.c (combine_blocks): Rewritten.
8239 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8240 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8242 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8244 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8247 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8249 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8251 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8253 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8255 2006-09-21 Roger Sayle <roger@eyesopen.com>
8258 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8259 dw_fde_current_label, to be the start of the function, i.e. the same
8260 value as dw_fde_begin.
8262 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8264 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8265 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8266 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8267 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8268 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8269 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8270 (abs<mode>2, neg<mode>2): Likewise.
8271 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8272 (*mips_abs_ps): New define_insn.
8274 2006-09-20 Josh Conner <jconner@apple.com>
8277 * calls.c (expand_call): Allow reuse of structure return stack
8280 2006-09-20 Paul Brook <paul@codesourcery.com>
8282 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8285 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8287 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8288 clean up terminology.
8290 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8293 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8294 with tablejumps in them.
8296 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8299 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8300 wrap it into TARGET_EXPR.
8302 2006-09-20 Eric Christopher <echristo@apple.com>
8304 * config/i386/i386.c (x86_fisttp): Remove.
8305 * config/i386/i386.h (x86_fisttp): Ditto.
8306 (TARGET_FISTTP): Ditto.
8308 2006-09-19 Eric Christopher <echristo@apple.com>
8310 * doc/tm.texi (OBJC_JBLEN): Describe.
8311 * config/i386/darwin.h (OBJC_JBLEN): Define.
8312 * config/rs6000/darwin.h: Ditto.
8314 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8316 PR rtl-optimization/21299
8317 * reload1.c (reload): Purge invalid ASMs in the final pass.
8319 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8322 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8323 pointers as legitimate constants.
8325 2006-09-19 Paul Brook <paul@codesourcery.com>
8328 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8330 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8332 PR tree-optimization/28887
8333 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8334 component parts from the reference.
8335 (gather_memory_references_ref): Record the reference without the
8336 nonaddressable component parts.
8338 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8341 * c-opts.c (c_common_handle_option): Ignore the -std options
8342 if the input language is assembly.
8344 2006-09-17 Ira Rosen <irar@il.ibm.com>
8347 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8349 (ptr_ptr_may_alias_p): Likewise.
8350 (record_record_differ_p): New function.
8351 (base_object_differ_p): Call record_record_differ_p.
8353 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8356 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8357 away for the expr argument.
8359 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8362 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8363 before using it for dumping after vectorizing loops.
8365 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8366 Jack Howarth <howarth@bromo.med.uc.edu>
8369 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8370 skip on error_mark_node.
8371 (rs6000_darwin64_record_arg_recurse): Likewise.
8373 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8375 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8376 * doc/rtl.texi: Remove related documentation.
8378 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8380 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8383 2006-09-15 Jim Wilson <wilson@specifix.com>
8385 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8386 Handle symbol offsets same as they are handled in ia64_expand_move
8389 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8391 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8392 Add forgotten parameter to the fprintf call.
8394 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8396 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8398 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8400 * doc/contrib.texi: Add my entry.
8402 2006-09-15 Nick Clifton <nickc@redhat.com>
8404 * doc/md.texi (Processor pipeline description): Fix typo in
8405 example of how to use the absence_set directive and reword the
8406 description to make it slightly easier to read.
8408 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8410 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8411 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8412 expanding the number of iterations.
8413 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8415 * cfgrtl.c (emit_insn_at_entry): New function.
8416 * rtl.h (emit_insn_at_entry): Declare it.
8417 * integrate.c (emit_initial_value_sets): Use it.
8419 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8421 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8423 (struct loop_work and related VEC declarations): Delete.
8424 (bfin_dump_loops): Print out new member bad.
8425 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8426 (bfin_scan_loop): Don't recurse.
8427 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8428 loops. No longer need to update outer loops if the current one is
8429 found bad. Move some validitiy checks to bfin_discover_loop.
8430 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8431 but changed not to check for nesting. Also changed to use the new bad
8433 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8434 time. Use bitmap based test to discover loop nesting.
8436 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8438 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8441 2006-09-14 Richard Guenther <rguenther@suse.de>
8442 Kazu Hirata <kazu@codesourcery.com>
8444 PR middle-end/28884.
8445 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8446 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8447 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8448 with TARGET_FUNCTION_VALUE.
8450 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8453 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8455 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8457 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8460 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8463 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8466 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8468 * basic_block.h (bb_has_eh_pred): Fix comment.
8470 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8472 * flow.c (calculate_global_regs_live): Invalidate eh registers
8473 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8474 (propagate_block): Handle eh registers as if they were set at basic
8476 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8478 * global.c (global_conflicts): Make eh registers to conflict with
8479 pseudos live at basic block begin.
8480 * basic_block.h (bb_has_eh_pred): New function.
8482 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8484 PR rtl-optimization/28982
8485 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8486 index of a PRE_MODIFY or POST_MODIFY address.
8487 * reload1.c (inc_for_reload): Use find_replacement on the original
8488 base and index registers.
8490 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8492 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8493 for -Os. Update __m128 alignment requirement.
8495 2006-09-13 Jan Hubicka <jh@suse.cz>
8497 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8499 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8501 PR rtl-optimization/28243
8502 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8503 the insn to which the note was originally attached.
8505 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8506 Roger Sayle <roger@eyesopen.com>
8508 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8509 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8510 on platforms that don't use dwarf for debug info.
8512 2006-09-12 Jason Merrill <jason@redhat.com>
8515 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8516 hard_frame_pointer_rtx after using it to update the frame pointer.
8518 2006-09-12 Roger Sayle <roger@eyesopen.com>
8520 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8521 (TARGET_ASM_CLOSE_PAREN): Likewise.
8522 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8523 (TARGET_ASM_CLOSE_PAREN): Likewise.
8525 2006-09-12 Roger Sayle <roger@eyesopen.com>
8528 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8529 frame information for frames larger than 512 Kbytes on Tru64 when
8530 using the native assembler.
8532 2006-09-12 Roger Sayle <roger@eyesopen.com>
8536 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8537 and symbols. Instead use the implementation from cse.c's hash_rtx.
8539 2006-09-12 Jan Hubicka <jh@suse.cz>
8541 PR rtl-optimization/28071
8542 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8543 (vect_transform_loop): Likewise.
8544 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8545 (new_loop_vec_info): Likewise.
8546 (destroy_loop_vec_info): Likewise.
8547 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8548 (create_stmt_ann): Likewise.
8549 (create_tree_ann): Rename to ...
8550 (create_tree_common_ann): ... this one; allocate only the common part
8552 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8553 (get_value_handle): Likewise.
8554 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8555 get_tree_common_ann.
8556 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8557 (vinfo_for_stmt): Use stmt annotations.
8558 * tree-flow.h (tree_ann_common_t): New type.
8559 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8560 (tree_ann, get_tree_ann, create_tree_ann): New.
8561 * tree-flow-inline.h (get_function_ann): Do more type checking.
8562 (stmt_ann): Likewise.
8563 (tree_ann): Rename to ...
8564 (tree_common_ann): ... this one; return ony common_ann
8565 (get_tree_ann): Rename to ...
8566 (tree_common_ann): This one; return only common_ann.
8567 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8570 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8572 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8573 with_cpu by default.
8575 * dwarf2out.c (dwarf_file_data): New.
8576 (enum dw_val_class): Add dw_val_class_file.
8577 (struct dw_val_struct): Add val_file.
8578 (file_table): Change to a hash table.
8579 (file_table_emitted): Delete.
8580 (file_table_last_lookup_index): Delete.
8581 (emitcount): Delete.
8582 (last_emitted_file): New.
8583 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8584 (init_file_table): Delete.
8585 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8586 (AT_addr): Add comment.
8590 (print_die): Handle dw_val_class_file.
8591 (print_dwarf_line_table): Update for new file table structure.
8592 (attr_checksum): Do checksum a filename.
8593 (same_dw_val_p, same_attr_p): Do compare a filename.
8594 (size_of_die): Handle dw_val_class_file.
8595 (value_format): Likewise.
8596 (output_die): Likewise. Also, call maybe_emit_file here.
8597 (struct file_info): Constify filenames. Make file_idx a pointer
8598 to a struct dwarf_file_data.
8599 (struct dir_info): Constify directory names. Remove 'used' field.
8600 (struct file_name_acquire_data): New.
8601 (file_name_acquire): New.
8602 (output_file_names): Modify to handle new file data structures.
8603 (add_src_coords_attributes): Use add_AT_file.
8604 (add_call_src_coords_attributes): Likewise.
8605 (dwarf2out_imported_module_or_decl): Likewise.
8606 (gen_subprogram_die): Modify for new file data structures.
8607 (gen_variable_die): Likewise.
8608 (file_table_eq): New.
8609 (file_table_hash): New.
8610 (file_table_last_lookup): New.
8611 (lookup_filename): Rewrite to handle new file data structures.
8612 (maybe_emit_file): Rewrite to handle new file data structures.
8613 (dwarf2out_source_line): Always call lookup_filename and
8615 (dwarf2out_init): Create file_table here.
8616 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8617 (file_table_relative_p): New.
8618 (dwarf2out_finish): Change detection of relative filenames
8619 to work with new file data structures. Move output_line_info call
8620 after debug_info output.
8622 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8627 * config/i386/i386.c (override_options): Always default to 16
8628 byte stack boundary.
8630 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8633 * var-tracking.c (dump_dataflow_set): Start dumping at
8635 (clobber_variable_part): Kill only the variable part in
8636 registers holding it, leaving other variables alone.
8638 2006-09-11 Josh Triplett <josh@freedesktop.org>
8640 * doc/extend.texi (Other Builtins): Actually use the macro
8641 argument in the documentation example for
8642 __builtin_types_compatible_p.
8644 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8646 PR rtl-optimization/28726
8647 * sched-deps.c (sched_analyze_reg): New function extracted from...
8648 (sched_analyze_1): ...here. Call it to analyze references to
8649 registers. Treat again writes to a stack register as writing to the
8651 (sched_analyze_2): ...and here. Call it to analyze references to
8652 registers. Treat again reads of a stack register as reading the
8655 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8656 David Edelsohn <edelsohn@gnu.org>
8659 * config/rs6000/spe.md (frob_df_di): Remove %H.
8660 (frob_di_df): Remove %H. Change evmergelo to mr.
8661 (frob_di_df_2): Remove %H. Change evldd to two loads.
8663 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8665 * doc/cpp.texi: Fix names of charset options.
8667 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8670 * config/i386/i386.c (override_options): Use 128-bit
8671 stack boundary always for 64bits.
8673 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8675 PR rtl-optimization/28636
8676 * combine.c (force_to_mode): Test for side-effects before
8677 substituting by zero.
8678 (simplify_shift_const): Likewise for zero or other constants.
8680 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8683 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8686 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8689 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8690 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8691 returned by mode_for_size, rather than the mode of src itself,
8692 to choose between 32-bit and 64-bit patterns.
8693 (mips_mem_fits_mode_p): New function.
8694 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8695 that the size of the source matches the size of the destination.
8696 (mov_<store>l, mov_<store>r): Likewise.
8698 2006-09-10 Eric Christopher <echristo@apple.com>
8700 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8703 2006-09-09 Eric Christopher <echristo@apple.com>
8706 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8709 2006-09-09 Roger Sayle <roger@eyesopen.com>
8710 Nicolas Setton <setton@adacore.com>
8712 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8714 2006-09-10 Andreas Schwab <schwab@suse.de>
8716 * config/m68k/m68k.md (bungt_rev): New pattern.
8718 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8719 Dale Johannesen <dalej@apple.com>
8722 * regclass.c (struct reg_pref): Update documentation.
8723 (regclass): Set prefclass to NO_REGS if memory is the best option.
8724 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8726 2006-09-08 Eric Christopher <echristo@apple.com>
8728 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8729 * config/t-slibgcc-darwin: Support x86_64 multilib.
8730 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8731 Return 1 for x86_64-darwin.
8732 * config/i386/t-darwin: Add m64 multilib.
8733 (LIB2_SIDITI_CONV_FUNCS): Use.
8734 (LIB2FUNCS_EXTRA): Ditto.
8735 * config/i386/darwin.h: Support x86_64.
8736 * config/i386/i386.c (override_options): Turn on flag_pic
8737 for x86_64-darwin. Disable flag_omit_pointer.
8738 (get_pc_thunk_name): Assert !TARGET_64BIT.
8739 (legitimate_address_p): Disable machopic addressing for
8741 (legitimize_pic_address): Ditto.
8742 (ix86_expand_move): Ditto.
8743 (ix86_expand_call): Ditto.
8744 (machopic_output_stub): Ditto.
8745 * config/darwin.c (machopic_select_section): Support literal16.
8746 (machopic_select_rtx_section): Ditto.
8747 * config/darwin-sections.def: Ditto.
8748 * config/darwin-64.c: New.
8750 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8753 * c-tree.h (struct c_arg_info): Add pending_sizes.
8754 * c-parser.c (c_parser_parms_declarator,
8755 c_parser_parms_list_declarator): Initialize pending_sizes.
8756 * c-decl.c (get_parm_info): Initialize pending_sizes.
8757 (get_parm_info): Set pending_sizes.
8758 (grokdeclarator): Call put_pending_sizes for parameters for
8759 function definition only.
8761 2006-09-07 Jason Merrill <jason@redhat.com>
8764 * varasm.c (output_constant): Only strip actual no-op conversions.
8767 * config/i386/i386.c (override_options): Use 128-bit
8768 stack boundary if -msse.
8770 2006-09-07 Eric Christopher <echristo@apple.com>
8772 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8774 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8777 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8779 * dwarf2out.c: Remove strange characters from comment above
8780 dwarf2out_frame_debug_expr.
8782 2006-09-07 Eric Christopher <echristo@apple.com>
8784 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8785 * config/darwin.h: ... to here.
8787 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8789 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8791 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8792 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8794 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8795 TARGET_PARTIAL_FLAG_REG_STALL.
8796 (*ashldi3_cconly_rex64): Likewise.
8797 (*ashlsi3_cmp): Likewise.
8798 (*ashlsi3_cconly): Likewise.
8799 (*ashlsi3_cmp_zext): Likewise.
8800 (*ashlhi3_cmp): Likewise.
8801 (*ashlhi3_cconly): Likewise.
8802 (*ashlqi3_cmp): Likewise.
8803 (*ashlqi3_cconly): Likewise.
8804 (*ashrdi3_cmp_rex64): Likewise.
8805 (*ashrdi3_cconly_rex64): Likewise.
8806 (*ashrsi3_cmp): Likewise.
8807 (*ashrsi3_cconly): Likewise.
8808 (*ashrsi3_cmp_zext): Likewise.
8809 (*ashrhi3_cmp): Likewise.
8810 (*ashrhi3_cconly): Likewise.
8811 (*ashrqi3_cmp): Likewise.
8812 (*ashrqi3_cconly): Likewise.
8813 (*lshrdi3_cmp_rex64): Likewise.
8814 (*lshrdi3_cconly_rex64): Likewise.
8815 (*lshrsi3_cmp): Likewise.
8816 (*lshrsi3_cconly): Likewise.
8817 (*lshrsi3_cmp_zext): Likewise.
8818 (*lshrhi3_cmp): Likewise.
8819 (*lshrhi3_cconly): Likewise.
8820 (*lshrqi2_cmp): Likewise.
8821 (*lshrqi2_cconly): Likewise.
8823 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8826 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8827 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8828 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8829 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8830 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8831 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8832 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8833 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8834 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8835 implement only CC setting effects of shift instructions.
8837 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8839 * doc/contrib.texi: Add myself.
8841 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8844 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8845 was set by the user.
8847 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8850 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8851 (divsi_inv_m1): Use them.
8852 (UNSPEC_DIV_INV_TABLE): New constant.
8854 2006-09-06 James E Wilson <wilson@specifix.com>
8857 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8858 then call count_or_remove_death_notes.
8860 2006-09-06 Jason Merrill <jason@redhat.com>
8863 * tree-inline.c (copy_result_decl_to_var): New fn.
8864 (declare_return_variable): Use it. Call declare_inline_vars here.
8865 (expand_call_inline): Not here.
8867 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8869 * doc/contrib.texi: Update my entry.
8871 2006-09-06 Nick Clifton <nickc@redhat.com>
8873 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8875 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8878 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8879 (canonicalize_induction_variables): Likewise.
8880 (tree_unroll_loops_completely): Likewise.
8881 (tree_ssa_prefetch_arrays): Likewise.
8882 (remove_empty_loops): Likewise.
8883 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8884 TODO_cleanup_cfg instead of directly calling
8885 cleanup_tree_cfg_loop.
8886 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8888 (tree_unroll_loops_completely): Likewise.
8889 (remove_empty_loops): Likewise.
8890 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8891 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8892 of tree_ssa_unswitch_loops.
8893 (tree_ssa_loop_ivcanon): Use the return value of
8894 canonicalize_induction_variables.
8895 (tree_ssa_empty_loop): Use the return value of
8897 (tree_complete_unroll): Use the return value of
8898 tree_unroll_loops_completely.
8899 (tree_ssa_loop_prefetch): Use the return value of
8900 tree_ssa_prefetch_arrays.
8901 * passes.c (execute_todo): Before Cleanup CFG, set
8902 updating_used_alone and after cleanup CFG, call
8903 recalculate_used_alone.
8905 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8908 * tree-vect-transform.c (vectorizable_condition): Move the check
8909 for the type after the check for simple condition.
8911 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8912 Kaz Kojima <kkojima@gcc.gnu.org>
8915 * mode-switching.c (optimize_mode_switching): Make the destination
8916 block of an abnormal edge have no anticipatable mode. Don't
8917 insert mode switching code at the end of the source block of
8920 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8922 PR rtl-optimization/26847
8923 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8924 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8925 (simplify_plus_minus): Count n_constants while filling ops. Replace
8926 qsort with insertion sort. Before going through the array to simplify
8927 pairs, sort it. Delay early exit until after the first sort, exiting
8928 only if no swaps occurred. Simplify pairs in reversed order, without
8929 special-casing the first iteration. Pack ops after simplifying pairs.
8931 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8933 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8934 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8935 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8936 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8938 2006-09-05 Richard Guenther <rguenther@suse.de>
8940 PR tree-optimization/28900
8941 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8942 compound conditional before creating COND_EXPR condition.
8944 2006-09-05 Richard Guenther <rguenther@suse.de>
8946 PR tree-optimization/28905
8947 * tree-vrp.c (fix_equivalence_set): Manually implement
8948 !value_ranges_intersect_p to also handle symbolic ranges.
8950 2006-09-05 Richard Guenther <rguenther@suse.de>
8953 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8956 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8958 PR rtl-optimization/27616
8959 * cse.c (table_size): New static variable.
8960 (new_basic_block): Initialize it to 0.
8961 (remove_from_table): Decrement it.
8962 (insert): Increment it.
8963 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8964 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8965 fold_rtx_mem_1 if under the cap.
8966 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8967 the lookup of the equivalent expression and test for equality of the
8968 first operand of the equivalent expression before in turn looking up
8969 an equivalent constant for the second operand.
8971 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8974 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8975 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8976 pointer, instead of assuming it is possible to derive the
8977 correct args size from a call insn.
8979 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8982 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8983 (fold_builtin_mempcpy): Rename to...
8984 (fold_builtin_memory_op): ... this. Optimize one element copy
8986 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8988 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8989 (expand_builtin_memcpy, expand_builtin_mempcpy,
8990 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8991 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8992 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8993 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8995 2006-09-01 DJ Delorie <dj@redhat.com>
8997 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8998 (stzx_16): Likewise.
8999 ("stzx_24_<mode>"): Likewise.
9000 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9001 ("cmp<mode>_op"): New.
9002 (cmp<mode>): Change to expander; just save operands.
9004 (b<code>): Change to expander, emit compare here.
9005 (s<code>_op): Change to use split and expander.
9006 (s<code>_24_op): Likewise.
9007 (s<code>_<mode>): New.
9008 (s<code>_<mode>_24): New.
9009 (movqicc_<code>_<mode): New.
9010 (movhicc_<code>_<mode>): New.
9013 * config/m32c/m32c.c (compare_op0, compare_op1): New.
9014 (m32c_pend_compare): New.
9015 (m32c_unpend_compare): New.
9016 (m32c_expand_scc): New.
9017 (m32c_expand_movcc): Emit the compare also.
9018 * config/m32c/predicates.md (mra_nopp_operand): New.
9020 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
9021 Richard Guenther <rguenther@suse.de>
9022 Adam Nemet <anemet@caviumnetworks.com>
9025 * builtins.c (get_pointer_alignment): Handle more forms
9026 of base addresses that can be used to derive more precise
9027 information about alignment.
9029 2006-09-01 Jason Merrill <jason@redhat.com>
9032 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9035 * gimplify.c (voidify_wrapper_expr): Handle null type.
9037 2006-09-01 Josh Conner <jconner@apple.com>
9040 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9041 (execute_return_slot_opt): Use it.
9043 2006-08-31 Josh Conner <jconner@apple.com>
9046 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9047 returning aggregates.
9049 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9051 PR tree-optimization/28839
9052 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9053 blocks in that phi arguments appear.
9055 2006-08-31 Roger Sayle <roger@eyesopen.com>
9058 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9059 NULL, otherwise use an advance_loc4 to adjust relative to the
9061 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9062 (dwarf2out_switch_text_section): Reset the current label to avoid
9063 using advance_loc4 over section boundaries.
9065 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9068 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9069 r12 + SYMBOLIC_CONST.
9071 2006-08-30 Richard Guenther <rguenther@suse.de>
9073 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9075 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9077 PR rtl-optimization/27735
9078 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9079 Add new argument to keep track of whether an irreducible region
9080 was affected. All callers changed.
9081 (fix_irreducible_loops): Removed.
9082 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9083 flags were invalidated.
9085 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9087 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9088 instead of SF operands.
9089 (*fop_df_comm_sse): Likewise.
9090 (*fop_df_comm_i387): Likewise.
9091 (*fop_df_1_mixed): Likewise.
9092 (*fop_df_1_sse): Likewise.
9094 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9095 J"orn Rennecke <joern.rennecke@st.com>
9097 PR tree-optimization/17506
9098 * tree-ssa.c (warn_uninit): If warning about a location outside of
9099 the current function, note where the variable was declared.
9101 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9103 PR tree-optimization/28411
9104 * double-int.c (double_int_div): Use double_int_divmod.
9105 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9106 double_int_mod, double_int_smod, double_int_umod): New functions.
9107 * double-int.h (double_int_divmod, double_int_sdivmod,
9108 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9110 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9112 (get_computation_aff, get_computation_cost_at): Handle double_int
9113 return type of constant_multiple_of.
9115 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9118 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9119 an implicit conversion.
9121 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9123 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9125 2006-08-27 Roger Sayle <roger@eyesopen.com>
9127 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9130 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9132 * config/i386/crtfastmath.c: Fix a comment typo.
9134 2006-08-26 Roger Sayle <roger@eyesopen.com>
9136 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9137 temporary visit flags on CASE_LABEL_EXPRs.
9138 * c-common.c (match_case_to_enum): Add function comment. Avoid
9139 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9140 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9141 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9142 a constant, only warn if that constant value isn't handled.
9144 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9147 * input.h (restore_input_file_stack): Declare.
9148 (INPUT_FILE_STACK_BITS): Define.
9149 * toplev.c (fs_p, input_file_stack_history,
9150 input_file_stack_restored, restore_input_file_stack): New.
9151 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9152 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9153 (pop_srcloc): Don't free old state of stack.
9155 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9158 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9159 (PowerPC Type Attributes): New.
9161 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9163 * config/xtensa/xtensa.c (function_arg_boundary): New.
9164 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9166 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9167 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9169 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9172 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9175 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9177 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9178 (verify_local_live_at_start): Likewise.
9180 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9183 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9184 omp_add_variable): Treat sizes as variable whenever not
9187 2006-08-26 Richard Guenther <rguenther@suse.de>
9190 * fold-const.c (fold_binary): Fold temporary to correct
9191 type before constructing new comparison.
9193 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9196 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9197 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9199 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9202 * c-decl.c (start_function): Don't try to process prototype
9203 information from old declaration that isn't a function.
9205 2006-08-25 Jan Hubicka <jh@suse.cz>
9208 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9210 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9213 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9216 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9218 PR tree-optimization/16876
9219 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9220 exit if PARM doesn't match VALUE.
9222 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9224 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9225 literal_prefix directive.
9226 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9227 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9228 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9230 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9233 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9234 predicate to general_operand. Add 0->y and I->r alternatives.
9236 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9238 * doc/tm.texi: Fix a typo.
9239 * predict.c: Fix comment typos.
9241 2006-08-25 Nick Clifton <nickc@redhat.com>
9243 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9244 assertions of "cpu" and "machine".
9246 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9249 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9250 the access through a base which has an alias set of 0 cannot
9253 2006-08-24 Bill Wendling <wendling@apple.com>
9255 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9257 2006-08-24 Jan Hubicka <jh@suse.cz>
9259 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9261 2006-08-24 Jan Hubicka <jh@suse.cz>
9264 * cgraph.c: Fix comments.
9265 (cgraph_varpool_mark_needed_node): Mark only variables not already
9267 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9268 (cgraph_varpool_assembled_nodes_queue): New static variable.
9269 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9270 (cgraph_varpool_output_debug_info): New function.
9271 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9272 * Makefile.in: Add gt-cgraphunit.h
9274 2006-08-24 Jan Hubicka <jh@suse.cz>
9276 * predict.c (probability_reliable_p): New predicate.
9277 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9278 (predict_loops): Do not predict loop exit with less than 2%
9280 * basic-block.h (edge_probability_reliable_p,
9281 br_prob_note_reliable_p): Declare.
9282 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9283 prediction when static predictor is not reliable.
9284 * rs6000.c (output_cbranch): Likewise.
9286 2006-08-23 Stuart Hastings <stuart@apple.com>
9289 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9290 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9292 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9295 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9296 complex values, nor for generic vector values.
9298 2006-08-22 Richard Guenther <rguenther@suse.de>
9301 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9302 parameter. Convert arguments to arithmetic expression to the
9304 (analyze_scalar_evolution_1): Adjust caller.
9306 2006-08-22 Jan Hubicka <jh@suse.cz>
9308 Patch by Paolo Bonzini
9309 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9312 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9314 PR tree-optimization/28003
9315 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9316 before grouping aliases.
9318 2006-08-22 Roger Sayle <roger@eyesopen.com>
9320 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9321 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9323 2006-08-21 Jason Merrill <jason@redhat.com>
9326 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9327 wrapper. Loop to handle nested wrappers.
9328 (gimplify_bind_expr): Remove temp parameter.
9329 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9330 and STATEMENT_LIST on the rhs.
9331 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9332 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9333 (gimplify_target_expr): Remove special BIND_EXPR handling.
9335 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9337 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9340 2006-08-21 Olivier Hainque <hainque@adacore.com>
9342 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9343 Arrange for the temporary captures of components overlapping the lhs
9344 to happen before the lhs is possibly cleared.
9346 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9348 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9349 necessary places to pass the correct "number of registers" values
9352 2006-08-20 Jan Hubicka <jh@suse.cz>
9354 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9355 (create_name_tags): Instead of quadratic checking use hashtable.
9356 * bitmap.h: Include hashtab.h.
9357 (bitmap_hash): Declare.
9358 * bitmap.c (bitmap_hash): New function.
9360 2006-08-20 Jan Hubicka <jh@suse.cz>
9362 PR rtl-optimization/28071
9363 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9365 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9366 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9367 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9368 cgraph_decide_inlining_incrementally): Update use of
9369 cgraph_check_inline_limits.
9370 * cgraph.c (edge_hash, edge_eq): New function.
9371 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9372 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9373 cgraph_remove_node): Maintain call site hash.
9374 * cgraph.h (struct cgraph_node): Add call_site_hash.
9375 (cgraph_set_call_stmt): New function.
9377 2006-08-20 Jan Hubicka <jh@suse.cz>
9379 PR rtl-optimization/28071
9380 * reload1.c (reg_has_output_reload): Turn into regset.
9381 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9382 choose_reload_regs, emit_reload_insns): Update to new
9383 reg_has_output_reload.
9385 2006-08-20 Jan Hubicka <jh@suse.cz>
9388 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9389 function body sizes.
9390 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9392 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9395 * tree.c (handle_dll_attribute): Return early if not a
9396 var or function decl.
9398 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9401 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9402 alignment of SPE vector types.
9404 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9406 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9408 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9411 * cgraph.h (struct cgraph_node): Remove externally_visible
9413 * cgraphunit.c (process_function_and_variable_attributes): Set
9414 local.externally_visible rather than externally_visible.
9417 * c-common.c (handle_externally_visible_attribute): First look
9418 at TREE_CODE and only if it is function or var decl, check for
9419 non-public objects. Don't warn for DECL_EXTERNAL.
9420 * cgraphunit.c (process_function_and_variable_attributes): Warn
9421 if externally_visible attribute is used on non-public object.
9423 2006-08-17 Jan Hubicka <jh@suse.cz>
9425 PR tree-optimization/27865
9426 * reload1.c (forget_marked_reloads): New function.
9427 (forget_old_reloads_1): When data are passed, just mark the registers
9429 (reload_as_needed): Use the new mechanizm.
9431 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9434 * reload.h (reg_equiv_alt_mem_list): New declaration.
9435 * reload1.c (reg_equiv_alt_mem_list): New definition.
9436 (reload): Initialize it and release it.
9437 (delete_output_reload): Use it.
9438 * reload.c (push_reg_equiv_alt_mem): New function.
9439 (find_reloads_toplev): Call it.
9440 (find_reloads_address, find_reloads_address_1): Likewise.
9441 (find_reloads_subreg_address): Likewise.
9443 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9445 PR rtl-optimization/28489
9446 * sched-ebb.c (begin_schedule_ready): Create basic block
9448 (advance_target_bb): Skip empty blocks.
9449 * haifa-sched.c (bb_note): Make global.
9450 * sched-int.h (bb_note): Add prototype.
9452 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9454 PR tree-optimization/27865
9455 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9457 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9458 fold_used_pointer, pointer_used_p): New functions.
9459 (analyze_scalar_evolution_1): Use fold_used_pointer.
9460 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9461 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9464 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9467 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9468 or the INTEGER_CST. Fail on a CALL_EXPR.
9469 (fold_offsetof): Pass new argument to fold_offsetof_1.
9470 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9471 operand into an INDIRECT_REF.
9472 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9474 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9476 PR gcov/profile/26570
9477 * value-prof.c (static_values): Removed.
9478 (tree_find_values_to_profile): Do not set static_values.
9479 (find_values_to_profile): Do not free static_values.
9480 * profile.c (instrument_values): Do not free the values.
9481 (branch_prob): Free the values.
9483 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9485 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9487 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9490 * c-typeck.c (build_component_ref): Combine qualifiers of
9491 structure or union and field.
9493 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9495 PR rtl-optimization/28071
9496 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9497 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9498 * tree-into-ssa.c (struct dom_dfsnum): New.
9499 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9501 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9502 compute_global_livein.
9503 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9504 in phi nodes in the correct blocks.
9506 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9508 PR tree-optimization/28364
9509 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9511 (fold_affine_expr): New function.
9512 (may_eliminate_iv): Use fold_affine_expr.
9514 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9517 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9520 2006-08-16 Mike Stump <mrs@apple.com>
9522 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9523 * doc/cppopts.texi (-MD): Likewise.
9525 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9528 * c-common.c (handle_weak_attribute): Ignore and warn if
9529 not a FUNCTION_ or VAR_DECL.
9531 2006-07-15 Mike Stump <mrs@apple.com>
9534 * c-parser.c (c_parser_typeof_specifier): Don't use
9535 c_finish_expr_stmt, open code desired semantics instead.
9537 2006-08-15 Nick Clifton <nickc@redhat.com>
9539 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9540 fragment to tmake_file only if threads are enabled.
9541 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9542 * config/i386/t-gthr-win32: New file. ... here.
9544 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9547 * c-parser.c (c_parser_compound_statement_nostart): Reset
9548 parser->error after each statement.
9550 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9553 * omp-low.c (lower_omp_parallel): Convert t to
9554 receiver_decl's type.
9555 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9556 source before comparison.
9559 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9560 to itype in assignment to oldival2.
9562 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9566 * c-typeck.c (build_compound_expr): If the second expression
9567 is an error mark, then just return an error mark instead of
9568 creating a COMPOUND_EXPR.
9570 2006-07-14 Mike Stump <mrs@apple.com>
9572 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9574 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9576 * c-decl.c, var-tracking.c: Fix comment typos.
9578 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9580 PR rtl-optimization/28634
9581 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9582 for floating-point modes unless flag_unsafe_math_optimizations.
9584 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9585 Andrew Pinski <pinskia@physics.uc.edu>
9588 * tree.c (build_array_type): Unify array types with
9589 unspecified index_type.
9590 * c-decl.c (grokdeclarator): Make sure we do not modify a
9591 unified incomplete array type.
9592 * c-typeck.c (store_init_value): Create distinct type before
9593 filling in the index type in an initializer from a compound
9596 * c-decl.c (grokdeclarator): Remove code where we copy the
9599 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9601 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9602 into account for TODO_dump_cgraph.
9603 (TODO_update_ssa_no_phi): Likewise.
9604 (TODO_update_ssa_full_phi): Likewise.
9605 (TODO_update_ssa_only_virtuals): Likewise.
9606 (TODO_remove_unused_locals): Likewise.
9607 (TODO_set_props): Likewise.
9608 (TODO_update_stmt_usage): Likewise.
9610 2006-08-13 Dirk Mueller <dmueller@suse.de>
9612 * c-common.c (strict_aliasing_warning): Fix formatting.
9614 2006-08-13 Matthias Klose <doko@debian.org>
9616 * doc/invoke.texi: Fix spelling errors.
9618 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9620 PR rtl-optimization/23454
9621 * reorg.c (relax_delay_slots): Update comment.
9623 2006-08-11 Richard Guenther <rguenther@suse.de>
9626 * simplify-rtx.c (simplify_const_relational_operation):
9627 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9630 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9632 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9633 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9635 2006-08-10 Paul Brook <paul@codesourcery.com>
9637 * final.c (final_scan_insn): Clear current_insn_predicate before
9638 outputting inline asm.
9640 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9642 PR tree-optimization/26197
9643 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9644 get_ref_base_and_extent and overlap_subvar to add only relevant
9645 subvars as may-aliases.
9646 (add_may_alias_for_new_tag): New function, factored out of
9648 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9649 with additional argument.
9650 * tree-flow.h (new_type_alias): Takes additional argument.
9652 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9654 * gcov.c (no_data_file): New flag.
9655 (read_count_file): Set it if data file not present. Assume counts
9657 (output_lines): Don't name the data file, if there wasn't one.
9659 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9661 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9662 (rs6000_generate_compare): Tweak comments.
9663 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9665 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9667 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9668 (var_debug_decl): New function.
9669 (var_reg_set): Follow debug decl link. Add location even if
9670 reg is already known to hold some other variable.
9671 (var_mem_set): Follow debug decl link.
9672 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9673 decl link. Delete other known locations of the variable part
9675 (var_reg_delete, var_mem_delete): Delete other known locations
9676 of the variable part if requested.
9677 (same_variable_part_p): New function.
9678 (add_stores): Select MO_COPY when appropriate.
9679 (vt_initialize): Handle it.
9680 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9681 known locations for MO_SET and MO_CLOBBER.
9682 (find_variable_location_part): New function.
9683 (set_variable_part, delete_variable_part): Use it.
9684 (clobber_variable_part): New function.
9685 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9688 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9690 PR tree-optimization/26969
9691 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9692 with an empty list of PHIs.
9694 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9698 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9701 2006-08-06 Andreas Schwab <schwab@suse.de>
9703 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9704 string. Whitespace and comment fixup.
9706 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9709 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9713 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9716 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9718 2006-08-04 Jan Hubicka <jh@suse.cz>
9722 * reload.c (push_reload): Patch out the mismatching instruction;
9724 (find_reload): Bail out if the instruction was patched out.
9726 2006-08-04 Jan Hubicka <jh@suse.cz>
9728 PR tree-optimization/24888
9729 * tree-inline.c (expand_call_inline): Do not re-record variables.
9730 (declare_inline_vars): Add variable to unexpanded_var_list.
9732 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9733 Roger Sayle <roger@eyesopen.com>
9735 PR rtl-optimization/26244
9736 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9737 inner_const are negative or greater than or equal to the bitsize of
9738 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9739 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9740 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9741 CONST0_RTX (mode) when the new shift count is greater than or equal to
9742 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9745 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9747 * tree-cfg.c: Fix a comment typo.
9749 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9752 * varasm.c (output_constant): Give the front end another chance to
9753 expand constants, after stripping NOPs.
9755 2006-08-03 Jan Hubicka <jh@suse.cz>
9757 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9760 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9762 PR tree-optimization/27770
9763 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9764 declaration removed (moved to tree-flow.h).
9765 (vect_can_force_dr_alignment_p): Likewise.
9766 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9767 (moved from tree-vectorizer.h).
9768 (vect_can_force_dr_alignment_p): Likewise.
9769 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9770 from outside the vectorizer - in particular from cgraph stage.
9771 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9772 the alignment of global arrays when -fsection-anchors is enabled.
9773 * cgraphunit.c (cgraph_increase_alignment): New function.
9774 (cgraph_optimize): Call cgraph_increase_alignment.
9776 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9779 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9780 not reload a SPE symbol_ref into a lo_sum address.
9782 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9785 * dwarf2out.c (prune_unused_types_prune): Move call to
9786 prune_unused_types_update_strings to cover the parent DIE also.
9788 2006-08-02 Jan Hubicka <jh@suse.cz>
9790 PR gcov/profile/28480
9791 * tree-cfg.c (change_bb_for_stmt): New function.
9792 (tree_merge_blocks, tree_split_blocks): Use it.
9794 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9800 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9801 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9802 (cgraph_optimize): Likewise.
9804 2006-08-01 Stuart Hastings <stuart@apple.com>
9806 * rtl.h (UINTVAL) New.
9807 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9808 * testsuite/gcc.dg/20060801-1.c: New.
9810 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9813 * c-typeck.c (build_external_type): Mark used enum types.
9814 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9816 (gen_subprogram_die): Whitespace fix.
9818 2006-08-01 Jan Hubicka <jh@suse.cz>
9820 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9821 bitmap when not needed.
9822 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9825 2006-08-01 Dirk Mueller <dmueller@suse.de>
9827 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9829 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9831 * Makefile.in: Revert part of previous patch:
9832 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9835 2006-07-30 Eric Christopher <echristo@apple.com>
9838 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9839 (PowerPC Variable Attributes): New section.
9841 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9843 PR target/28126 (partial fix)
9844 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9846 2006-07-28 Jan Hubicka <jh@suse.cz>
9848 PR rtl-optimization/28071
9849 * cfgrtl.c (rtl_delete_block): Free regsets.
9850 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9852 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9854 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9855 and variables used in dependencies.
9857 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9859 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9860 %fs for -mcmodel=kernel.
9861 (stack_tls_protect_test_di): Likewise.
9863 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9865 * Makefile.in: Use mkinstalldirs.
9867 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9870 * opts-common.c (prune_options): Skip joined switches.
9872 2006-07-27 Jan Hubicka <jh@suse.cz>
9874 PR rtl-optimization/28071
9875 * cselib.c (cselib_process_insn): Don't remove useless values too
9876 often for very large hashtables.
9878 2006-07-27 Jan Hubicka <jh@suse.cz>
9880 PR rtl-optimization/28071
9881 * global.c (greg_obstack): New obstack.
9882 (allocate_bb_info): Use it.
9883 (free_bb_info): Likewise.
9884 (modify_reg_pav): Likewise.
9886 2006-07-27 Roger Sayle <roger@eyesopen.com>
9888 * builtins.c (fold_fixed_mathfn): When long and long long are the
9889 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9890 functions to their lceil*, lfloor*, lround* and lrint* forms.
9892 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9895 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9897 (rev_branch_insn): Likewise.
9899 2006-07-27 Jan Hubicka <jh@suse.cz>
9901 PR rtl-optimization/28071
9902 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9903 (reg_set_in_bb, max_reg_computed): New static variables.
9904 (regmove_optimize): Free the new array.
9905 (fixup_match_1): Update call of reg_is_remote_constant_p.
9907 2006-07-26 Jan Hubicka <jh@suse.cz>
9909 PR tree-optimization/27882
9910 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9912 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9914 (cgraph_analyze_compilation_unit): Likewise.
9915 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9916 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9917 (cgraph_early_inlinine): Make order garbage collected.
9918 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9920 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9922 * dbxout.c (output_types_sort): Add a comment.
9923 (output_used_types): Free the VEC.
9925 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9927 * function.c (reorder_fix_fragments): Delete.
9928 (reorder_blocks): Don't call it.
9929 (reorder_blocks_1): Put all subblocks under the origin block.
9931 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9933 PR rtl-optimization/27907
9934 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9937 2006-07-25 Roger Sayle <roger@eyesopen.com>
9940 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9941 bar(x) check that bar's result type can represent all the values of T.
9943 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9945 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9947 2006-07-25 Nick Clifton <nickc@redhat.com>
9949 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9950 size_lookup[] array.
9951 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9952 (ggc_pch_count_object): Likewise.
9953 (ggc_pch_alloc_object): Likewise.
9954 (ggc_pch_write_object): Likewise.
9955 (init_ggc): Do not attempt to initialize entries in the
9956 size_lookup[] array for objects whose size is greater than than
9957 the length of the array.
9959 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9961 * dbxout.c (output_used_types_helper): Push queued types
9963 (output_types_sort): New.
9964 (output_used_types): Collect used types on a VEC and sort them
9967 2006-07-24 Richard Guenther <rguenther@suse.de>
9970 * cgraph.c (cgraph_remove_node): Do not check if dumps
9972 * cgraphunit.c (cgraph_optimize): Likewise.
9974 2006-07-24 Jan Hubicka <jh@suse.cz>
9976 PR rtl-optimization/28071
9977 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9978 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9979 splitting before first stmt.
9981 2006-07-24 Jan Hubicka <jh@suse.cz>
9983 PR rtl-optimization/28071
9984 * ipa-inline.c (update_caller_keys): Remove edges that
9985 are no longer inline candidates.
9987 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9990 * dbxout.c (output_used_types_helper, output_used_types): New.
9991 (dbxout_symbol): Call output_used_types.
9993 2006-07-23 Jan Hubicka <jh@suse.cz>
9997 * cgraph.c (cgraph_varpool_nodes): Export.
9998 (decide_is_variable_needed): Ignored "used" attribute in
9999 unit-at-a-time mode.
10000 * cgraph.h (cgraph_varpool_nodes): Declare.
10001 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10002 unit-at-a-time mode.
10004 2006-07-23 Roger Sayle <roger@eyesopen.com>
10007 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10008 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
10009 the __gthrw form of thr_keycreate.
10010 (__gthread_key_delete): Silence the unused argument warning.
10012 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
10015 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10016 Cache the last found '\0' marker to avoid quadratic behavior.
10018 2006-07-23 Jan Hubicka <jh@suse.cz>
10020 * i386.md (subsi_3_zext): Fix output template.
10022 2006-07-21 Mike Stump <mrs@apple.com>
10024 * doc/invoke.texi (C++ Dialect Options): Note that
10025 -fvisibility-inlines-hidden doesn't affect explicitly
10026 instantiationed inline methods.
10028 2006-07-20 Roger Sayle <roger@eyesopen.com>
10030 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10031 if the target assembler is GNU binutils' gas.
10032 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10033 whether to pass GNU gas or native as command line options.
10035 2006-07-20 Jason Merrill <jason@redhat.com>
10037 * tree.c (remove_attribute): New fn.
10038 * tree.h: Declare it.
10040 2006-07-20 Paul Brook <paul@codesourcery.com>
10043 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10044 they are invalidated by this instruction.
10046 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10049 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10051 2006-07-20 Eric Christopher <echristo@apple.com>
10054 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10056 2006-07-19 Eric Christopher <echristo@apple.com>
10058 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10059 Rewrite dependencies for libgcc_s.1.dylib.
10061 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10063 * except.c (duplicate_eh_regions_1): Clear next_peer.
10065 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10067 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10068 -mlongcall does not guarantee all calls will be long.
10069 * doc/extend.texi (long_call/short_call): Document that longcall
10070 does not guarantee a long call will be used.
10071 (longcall/shortcall): Likewise.
10073 2006-07-18 Roger Sayle <roger@eyesopen.com>
10075 PR middle-end/28283
10076 * expmed.c (expand_shift): Additionally check that the shift_cost
10077 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10078 before implementing a LSHIFT_EXPR as a sequence of additions.
10079 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10080 middle-end that DImode shifts need to be synthesized by expand.
10082 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10085 * tree-ssa-operands.c (access_can_touch_variable): Update
10087 Return true if ALIAS is .GLOBAL_VAR.
10089 2006-07-18 David Daney <ddaney@avtrex.com>
10091 * gcc.c (display_help): Fix typo in help text.
10093 2006-07-18 Olivier Hainque <hainque@adacore.com>
10095 * tree.h (categorize_ctor_elements): Adjust prototype and add
10096 descriptive comment, both in accordance with the interface change
10098 * varasm.c (constructor_static_from_elts_p): New function.
10099 Whether a constructor node is a valid static constant initializer
10100 if all its elements are.
10101 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10102 * output.h: Declare it.
10103 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10104 is a valid constant initializer instead of computing the number of
10105 non-constant elements. Use constructor_static_from_elts_p for this
10106 purpose. Replace the head comment with an indication that this is a
10107 helper for categorize_ctor_elements.
10108 (categorize_ctor_elements): Same interface change as for the _1
10109 helper. Former head comment from this helper moved here, adjusted to
10110 account for the interface changes.
10111 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10112 (all_zeros_p): Likewise.
10113 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10114 static versions of the constructor from the categorize_ctor_elements
10115 return value instead of the formerly computed number of non-constant
10118 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10120 * configure: Regenerate.
10121 * Makefile.in (build_libsubdir): New configure substitution
10122 (build_libobjdir): New variable.
10123 (BUILD_LIBIBERTY): Use it.
10125 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10128 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10130 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10133 * c-common.c (handle_weakref_attribute): Ignore attribute in
10134 the same conditions the alias attribute is ignored.
10136 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10138 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10139 (dbxout_begin_prologue): Increment scope_labelno.
10141 2006-07-17 Richard Henderson <rth@redhat.com>
10144 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10147 2006-07-17 Roger Sayle <roger@eyesopen.com>
10148 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10150 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10151 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10152 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10153 functions such as sbrk, write, etc.. Add function prototypes.
10154 Convert function declarations from K&R to ISO C. Cast pointers
10155 to "long" and "unsigned long" instead of "int" and "unsigned int".
10156 Convert tokens following #endif into comments.
10158 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10160 * invoke.texi: Remove mention of f77; Reformat table for
10161 inline parameter options correctly; mention that -malign-double
10162 is default on x86-64 targets.
10164 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10166 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10167 (convert_affine_scev, chrec_convert_aggressive): Use
10168 avoid_arithmetics_in_type_p. Do not check for the subtypes
10171 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10173 PR middle-end/28403
10174 * optabs.c (expand_doubleword_shift): Wrap the call to
10175 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10177 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10179 PR middle-end/28402
10180 * optabs.c (expand_binop): Pass next_methods rather than methods
10181 to expand_doubleword_shift.
10183 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10186 * tree.h (dump_addr): Declare.
10187 * print-tree.c (dump_addr): New function.
10188 (print_node_brief, print_node): Use it.
10189 * print-rtl.c (print_rtx): Likewise.
10190 * common.opt (-fdump-noaddr): New option.
10191 * doc/invoke.texi (-fdump-noaddr): Document.
10192 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10193 (ve_info_hash): Likewise.
10195 2006-07-13 Andrew Haley <aph@redhat.com>
10197 PR tree-optimization/19505
10198 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10199 edge leaving this block, make sure that the destination of this
10200 block has only one predecessor.
10202 2006-07-17 Richard Guenther <rguenther@suse.de>
10204 PR tree-optimization/28238
10205 * tree-inline.c (copy_bb): Check if we produced valid
10206 gimple copying and substituting a stmt. If not, gimplify
10209 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10211 * optabs.c (maybe_encapsulate_block): New function extracted from...
10212 (emit_libcall_block): ...here. Invoke it on the block of insns to
10213 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10214 (emit_no_conflict_block): Likewise.
10216 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10218 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10220 2006-07-15 Roger Sayle <roger@eyesopen.com>
10222 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10223 a new NOP_EXPR case of the switch statement.
10225 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10227 PR middle-end/28160
10228 * stor-layout.c (place_field): Take the bit field with
10229 an excessive size into account in the ms-bitfiled case.
10231 PR middle-end/28161
10232 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10233 the previous bit field.
10235 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10238 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10240 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10242 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10243 signal frames correctly even when the signal was installed with
10246 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10248 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10249 (dbxout_function_end): Use local label LFBB. Remove hook
10251 (dbxout_source_line): Use local label LFBB.
10252 (dbxout_block): Likewise.
10253 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10254 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10255 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10256 and DBX_OUTPUT_NFUN.
10258 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10260 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10262 2006-07-13 Jan Hubicka <jh@suse.cz>
10264 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10266 * output.h (align_variable): Declare.
10267 * varasm.c (align_variable): Export.
10268 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10269 when basic block changed.
10271 2006-07-13 Nick Clifton <nickc@redhat.com>
10273 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10274 walking the LOG_LINKS chain.
10276 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10278 * doc/invoke.texi (C++ Dialect Options): Explain difference
10279 between -fvisibility-inlines-hidden and setting hidden
10280 visibility explicitly.
10282 2006-07-12 Eric Christopher <echristo@apple.com>
10284 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10285 (stmp-lipo): Depend on libgcc.a.
10287 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10289 * tree.c: Fix a comment typo.
10291 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10293 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10295 (umulhisi3_r): Likewise.
10297 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10300 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10301 x < 19, vs wchar_t support.
10303 2006-07-12 Nick Clifton <nickc@redhat.com>
10305 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10306 instead of -isa=sh4.
10308 2006-07-12 Mike Stump <mrs@apple.com>
10310 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10312 2006-07-10 Eric Christopher <echristo@apple.com>
10314 * config/t-slibgcc-darwin: Rewrite.
10316 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10319 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10322 2006-07-08 Matthias Klose <doko@debian.org>
10324 * doc/sourcebuild.texi: Fix typo.
10326 2006-07-07 Mike Stump <mrs@apple.com>
10328 * toplev.c (process_options): Don't give -ffunction-sections may
10329 affect debugging warning for Mach-O.
10331 2006-07-07 James E Wilson <wilson@specifix.com>
10333 * config/mips/mips.md (cpu): Add sb1a.
10334 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10335 addition to sb1. Adjust comments to clarify SB-1A differences from
10337 (ir_sb1a_load): New. Modify bypasses to use it.
10338 (ir_sb1a_simple_alu): Likewise.
10339 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10340 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10341 (mips_issue_rate): Add PROCESSOR_SB1A.
10342 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10343 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10344 (TARGET_SB1): Add PROCESSOR_SB1A check.
10345 (TUNE_SB1): Likewise.
10347 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10348 * config/mips/mips.c (mips_store_data_bypass_p): New.
10349 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10350 store_data_bypass_p.
10352 2006-07-08 Paul Brook <paul@codesourcery.com>
10355 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10357 2006-07-07 Richard Guenther <rguenther@suse.de>
10359 PR middle-end/28268
10360 * tree.h (build_one_cst): Declare.
10361 * tree.c (build_one_cst): New function.
10362 * tree-ssa-math-opts.c (get_constant_one): Remove.
10363 (insert_reciprocals): Use build_one_cst.
10364 * fold-const.c (fold_plusminus_mult): Likewise.
10366 2006-07-07 Roger Sayle <roger@eyesopen.com>
10368 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10369 * cfgloopanal.c (dump_graph): Likewise.
10370 * dojump.c (discard_pending_stack_adjust): Likewise.
10371 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10373 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10374 * function.c (finalize_block_changes): Likewise.
10375 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10376 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10377 * rtl.c (dump_rtx_statistics): Likewise.
10378 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10380 * varray.c (dump_varray_statistics): Likewise.
10381 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10382 decode_decimal64, encode_decimal128, decode_decimal128,
10383 decimal_real_to_decimal): Likewise.
10385 2006-07-07 Richard Guenther <rguenther@suse.de>
10387 PR tree-optimization/28187
10388 * tree-vrp.c (vrp_operand_equal_p): New function.
10389 (vrp_bitmap_equal_p): Likewise.
10390 (update_value_range): Use them to compare old and new
10391 max and min values.
10393 2006-07-06 Roger Sayle <roger@eyesopen.com>
10395 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10396 a default case to switch statement to silence compiler warnings.
10398 2006-07-06 Roger Sayle <roger@eyesopen.com>
10401 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10402 the configured assembler supports the x87's ffreep mnemonic.
10403 * configure: Regenerate.
10404 * config.in: Regenerate.
10406 * config/i386/i386.c (output_387_ffreep): New function.
10407 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10408 (output_387_reg_move): Likewise.
10410 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10412 Port to hosts whose 'sort' and 'tail' implementations
10413 treat operands with leading '+' as file names, as POSIX
10414 has required since 2001. However, make sure the code still
10415 works on pre-POSIX hosts.
10416 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10417 which says you should use "tail -c +N" rather than "tail +Nc".
10418 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10420 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10422 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10425 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10428 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10429 PRE_{INC,DEC} of TFmode.
10431 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10432 Alan Modra <amodra@bigpond.net.au>
10435 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10438 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10441 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10442 Remove duplicate gtu.
10444 2006-07-05 Jason Merrill <jason@redhat.com>
10448 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10449 * c-common.c (handle_packed_attribute): So don't copy it here.
10450 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10452 2006-07-05 Mike Stump <mrs@apple.com>
10454 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10456 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10459 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10461 2006-07-05 Richard Guenther <rguenther@suse.de>
10464 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10465 TARGET_SSE2 targets if using SSE math.
10466 (*absdf2_1): Likewise.
10468 2006-07-05 Richard Guenther <rguenther@suse.de>
10470 PR tree-optimization/28162
10471 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10472 make sure to convert the operands to the correct type.
10474 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10476 PR tree-optimization/28218
10478 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10479 to calculate and free the dominator information.
10481 2006-07-04 Peter O'Gorman <peter@pogma.com>
10483 * mklibgcc.in: chmod 644 before ranlib during install.
10485 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10486 J"orn Rennecke <joern.rennecke@st.com>
10488 * configure.ac (.eh_frame data check): Use diff -b.
10490 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10493 * Makefile.in (BUILD_RTL): Add build/vec.o.
10494 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10495 (build/genextract): Delete.
10496 (build/genautomata): Likewise.
10498 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10501 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10502 128-bit IBM long doubles for ABI_V4.
10504 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10506 * tree.c (range_in_array_bounds_p): New predicate.
10507 * tree.h (range_in_array_bounds_p): Declare it.
10508 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10509 return a less conservative answer.
10510 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10511 and flag 'is_group'.
10512 (IS_ELEMENT_FOR_GROUP): New macro.
10513 (FOR_EACH_ACTUAL_CHILD): Likewise.
10514 (next_child_for_group): New helper function.
10515 (can_completely_scalarize_p): Take into account groups.
10516 (sra_hash_tree): Handle RANGE_EXPR.
10517 (sra_elt_eq): Likewise.
10518 (lookup_element): Be prepared for handling groups.
10519 (is_valid_const_index): Delete.
10520 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10521 instead of is_valid_const_index.
10522 <ARRAY_RANGE_REF>: New case.
10523 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10524 is_valid_const_index.
10525 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10526 (scan_dump): Dump info for groups too.
10527 (decide_instantiation_1): Likewise.
10528 (decide_block_copy): Assert that the element is not a group.
10529 Propagate decision to groups.
10530 (generate_one_element_ref): Handle RANGE_EXPR.
10531 (mark_no_warning): Iterate over actual childs.
10532 (generate_copy_inout): Likewise.
10533 (generate_element_copy): Likewise.
10534 (generate_element_zero): Likewise.
10535 (generate_element_init_1): Likewise.
10536 (dump_sra_elt_name): Handle RANGE_EXPR.
10538 2006-07-03 Roger Sayle <roger@eyesopen.com>
10540 PR tree-optimization/26251
10541 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10542 (thread_block): When optimizing for size refuse to thread jumps
10543 that would require duplication of blocks other than redirection
10546 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10548 * configure.ac: Fix thinko in previous check-in.
10549 * configure: Regenerate.
10551 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10554 * configure.ac (for lang...): Simplify nesting of conditionals.
10555 Test subdir_requires for non-enabled languages. Move processing
10556 of lang_opt_files and lang_tree_fiels below that test.
10557 * configure: Regenerate.
10558 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10560 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10562 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10564 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10566 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10569 2006-06-29 Jason Merrill <jason@redhat.com>
10576 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10577 * c-common.c (c_determine_visibility): Handle it here.
10578 * c-decl.c (finish_decl): Call c_determine_visibility for
10580 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10581 * tree.h: Likewise.
10582 * varasm.c (default_assemble_visibility): Likewise.
10583 * c-common.c (handle_visibility_attribute): Complain about trying
10584 to give visibility to an already defined class, or trying to change
10585 declared visibility. Always attach the attribute.
10590 * attribs.c (decl_attributes): Ignore type-in-place attributes
10591 once the type has been defined.
10593 2006-06-29 Roger Sayle <roger@eyesopen.com>
10595 PR middle-end/27428
10596 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10597 to indicate the cpplib has issued an error message for us.
10599 2006-06-29 Asher Langton <langton2@llnl.gov>
10602 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10603 insert a label at the end of an function under Mach-O.
10605 2006-06-29 Eric Christopher <echristo@apple.com>
10606 Evan Cheng <evan.cheng@apple.com>
10608 * predicates.md (vector_all_ones_operand): New.
10609 (nonimmediate_or_sse_const_operand): Ditto.
10610 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10611 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10612 (standard_sse_mode_p): Ditto.
10613 (standard_sse_constant_p): Add case for -1 vector.
10614 (ix86_expand_vector_move): Try to use.
10615 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10616 Call standard_sse_constant_opcode.
10617 (*movv4sf_internal): Ditto.
10618 (*movv2df_internal): Ditto.
10620 2006-06-29 Roger Sayle <roger@eyesopen.com>
10622 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10623 of XEXP to extract the operands of a MATCH_CODE rtx.
10625 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10627 * tree.c (tree_size): Do not waste tail padding in
10628 struct tree_string and make the size be the same as
10629 build_string will generate.
10631 2006-06-28 Jason Merrill <jason@redhat.com>
10634 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10635 may_aliases already in the tag's annotations to the bitmap.
10637 2006-06-28 Roger Sayle <roger@eyesopen.com>
10639 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10641 2006-06-28 Roger Sayle <roger@eyesopen.com>
10643 * genpreds.c (generate_switch_p): New function.
10644 (add_mode_tests): Push the new mode test down inside an AND expr
10645 if this allows the switch-suitable MATCH_CODE to be near the root.
10646 (write_match_code_switch): New function to write a MATCH_CODE as
10647 a switch statement.
10648 (write_predicate_stmts): New function to write a predicate RTX
10649 expression as a sequence of statements.
10650 (write_one_predicate_function): Use write_predicate_stmts.
10651 (write_tm_constrs_h): Likewise.
10653 2006-06-26 Fred Fish <fnf@specifix.com>
10655 * config/mips/t-sb1: New file.
10656 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10659 2006-06-26 DJ Delorie <dj@redhat.com>
10661 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10663 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10664 Jayant Sonar <jayants@kpitcummins.com>
10665 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10667 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10668 (subsi3, subsi3_1, subsi3_2): New.
10669 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10670 * config/m32c/mov.md (SI mov peephole): New.
10671 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10672 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10674 2006-06-26 Olivier Hainque <hainque@adacore.com>
10676 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10677 a CALL_EXPR target function declaration.
10679 2006-06-26 Richard Guenther <rguenther@suse.de>
10681 * tree.c (build_string): Do not waste tail padding in
10682 struct tree_string.
10684 2006-06-26 Richard Guenther <rguenther@suse.de>
10686 * ggc-page.c (init_ggc): Add missing element to size_lookup
10690 2006-06-23 Richard Guenther <rguenther@suse.de>
10692 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10693 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10694 alignment requests instead. Add verification code.
10695 Add struct tree_function_decl and struct tree_binfo size to
10696 extra_order_size_table. Add missing element to size_lookup
10699 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10701 PR middle-end/28151
10702 * fold-const.c (const_binop): Be prepared for self returning zero.
10703 Simplify code handling complex values.
10705 2006-06-24 Olivier Hainque <hainque@adacore.com>
10707 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10708 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10711 2006-06-24 Olivier Hainque <hainque@adacore.com>
10713 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10714 ARRAY_REF, so have the callback called for the low bound expression.
10716 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10718 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10719 * c-typeck.c (c_common_type): Disallow operations on decimal float
10720 types and other float types.
10721 * convert.c (convert_to_real): Don't ignore conversions involving
10722 decimal float types.
10724 2006-06-23 Olivier Hainque <hainque@adacore.com>
10726 * tree.c (max_int_size_in_bytes): New function, inspired from
10727 code in function.c:assign_temp.
10728 * tree.h (max_int_size_in_bytes): Declare.
10729 * function.c (assign_temp): Use it.
10730 * gimplify.c (create_tmp_var): Relax the assertions on the type
10731 properties, not mandating constant size any more.
10732 (force_constant_size): New static function.
10733 (gimple_add_tmp_var): Use it, forcing variable size to a
10734 constant upper bound if it is not constant on entry.
10736 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10739 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10740 for initialization and setting of one_only flag to ...
10741 (i386_pe_encode_section_info): ...here.
10742 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10743 Recheck that the symbol has not been defined.
10745 2006-06-23 Richard Guenther <rguenther@suse.de>
10747 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10748 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10749 alignment requests instead. Add verification code.
10750 Add struct tree_function_decl and struct tree_binfo size to
10751 extra_order_size_table. Add missing element to size_lookup
10754 2006-06-22 Roger Sayle <roger@eyesopen.com>
10755 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10757 PR middle-end/28131
10758 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10759 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10761 2006-06-23 Ben Elliston <bje@au.ibm.com>
10763 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10764 negate dn -- manipulate it directly.
10766 2006-06-22 Roger Sayle <roger@eyesopen.com>
10767 Steven Bosscher <stevenb.gcc@gmail.com>
10770 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10771 generated by gen_move_insn to add REG_LABEL notes if necessary.
10773 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10775 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10776 (leaf_entry): Remove use of MIN_ESA.
10778 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10780 PR rtl-optimization/28121
10781 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10784 2006-06-21 DJ Delorie <dj@redhat.com>
10786 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10788 (mulhisi3_r): Likewise.
10790 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10792 PR middle-end/28034
10793 * coverage.c (coverage_counter_alloc): Leave the index type
10795 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10798 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10800 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10801 section from the "Options for Code Generation Conventions".
10803 2006-06-21 Richard Henderson <rth@redhat.com>
10807 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10809 (global_symbolic_operand): Allow weak symbols, even if local_p.
10811 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10813 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10814 (find_interesting_uses_address): Punt if above function returns true.
10816 2006-06-21 Richard Guenther <rguenther@suse.de>
10818 * configure: Regenerated.
10820 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10822 * config/mips/mips.c (function_arg): Where one part of a
10823 complex argument is in registers and the other part in the stack,
10824 return a REG not a PARALLEL.
10826 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10828 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10829 when cross-compiling. Do not substitute libstdcxx_incdir.
10830 * configure: Regenerated.
10832 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10834 * varasm.c (mergeable_string_section): Check for embedded NULs and
10835 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10836 rather than TREE_STRING_LENGTH bytes.
10838 2006-06-21 Richard Guenther <rguenther@suse.de>
10840 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10841 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10844 2006-06-21 Richrad Guenther <rguenther@suse.de>
10846 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10847 Limit iteration over the dominators.
10849 2006-06-20 Roger Sayle <roger@eyesopen.com>
10851 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10852 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10854 2006-06-20 Richard Guenther <rguenther@suse.de>
10855 Michael Matz <matz@suse.de>
10857 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10859 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10860 * et-forest.h (et_free_pools): Prototype new function.
10861 * et-forest.c (et_free_tree_force): Free parent occurrence.
10862 (et_free_pools): New function.
10863 * dominance.c (free_dominance_info): Free et-forest alloc
10866 2006-06-20 Roger Sayle <roger@eyesopen.com>
10868 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10869 integer modes, attempt to directly construct an integer constant.
10871 * fold-const.c (native_encode_vector): Determine the size of each
10872 element from the vector type instead of the first vector element.
10874 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10875 if all of its elements/components are constant.
10876 (build_constructor_from_list): Likewise.
10878 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10880 PR tree-optimization/27331
10881 * tree-data-ref.c (free_data_ref): New function.
10882 (create_data_ref): Fail if the data reference has unknown access
10884 (free_data_refs): Use free_data_ref.
10886 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10888 PR middle-end/28075
10889 * tree-inline.c (setup_one_parameter): Strip useless
10890 type conversion before adding it to the IR.
10891 (declare_return_variable): Likewise.
10893 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10896 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10898 2006-06-19 Mike Stump <mrs@apple.com>
10900 * tree.c (variably_modified_type_p): VM arguments don't make the
10903 2006-06-19 Richard Guenther <rguenther@suse.de>
10905 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10906 type conversions after folding.
10908 2006-06-19 Richard Guenther <rguenther@suse.de>
10910 * ggc-page.c (extra_order_size_tab): Add entries with
10911 size of struct function and basic_block.
10912 (size_lookup): Extend to cover sizes up to 511.
10913 (ggc_alloc_stat): Adjust user.
10914 (ggc_pch_count_object): Likewise.
10915 (ggc_pch_alloc_object): Likewise.
10916 (ggc_pch_write_object): Likewise.
10918 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10920 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10921 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10924 2006-06-19 Denis Chertykov <denisc@overta.ru>
10926 * config/avr/libgcc.S : Correct my wrong previous commit.
10928 2006-06-19 Roger Sayle <roger@eyesopen.com>
10931 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10932 have stripped a SUBREG from the shift count, so we may need to
10933 convert_to_mode back to the type's mode before calling make_tree.
10934 Use new_amount instead of amount to avoid expanding a tree twice.
10936 2006-06-19 Richard Guenther <rguenther@suse.de>
10938 PR middle-end/28045
10939 * fold-const.c (operand_equal_p): Check if the argument types
10940 have the same precision before stripping NOPs.
10942 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10944 Fix PR tree-optimization/27341
10945 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10947 * tree-complex.c (pass_lower_complex): Update SMT usage.
10949 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10951 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10952 Add a new alternative to the constraint strings. Add move of
10953 operand 1 to 3 to the splitter definition.
10954 ("doloop_si_long"): Second contraint alternative removed.
10956 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10958 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10959 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10961 (AVR_HAVE_MOVW) Define.
10962 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10963 (ASM_SPEC): Add avr25.
10964 (LINK_SPEC): Add avr25.
10965 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10966 (base_arch_s): Add new member 'have_movw_lpmx'.
10967 (avr_arch_types): Init 'have_movw_lpmx'.
10968 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10969 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10970 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10971 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10972 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10974 (avr_file_start): Do not output '.arh' derective.
10975 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10976 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10977 * config/avr/avr.md (mcu_enhanced): Delete.
10978 (mcu_have_movw): Define.
10979 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10980 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10981 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10982 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10983 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10984 attiny861 and at86rf401 devices.
10986 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10988 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10991 2006-06-17 Karl Berry <karl@gnu.org>
10993 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10994 doc/gccint.texi, doc/install.texi (@dircategory): Use
10995 "Software development" instead of "Programming", following
10996 the Free Software Directory.
10998 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
11000 * config/i386/i386.c (legitimate_tls_address)
11001 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11002 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11003 (*tls_dynamic_gnu2_combine_64): Likewise.
11005 2006-06-16 Richard Guenther <rguenther@suse.de>
11007 PR middle-end/27116
11008 * fold-const.c (negate_expr_p): Do not introduce undefined
11009 overflow in negating INTEGER_CSTs.
11010 (fold_negate_expr): Rename from negate_expr. Revert last
11011 change for folding BIT_NOT_EXPR. Change semantics to
11012 return NULL_TREE for non-simplified negations. Do not
11013 strip type conversions and unify type handling.
11014 (negate_expr): New function, wrap around fold_negate_expr
11015 but ensure building a tree always. Strip type conversions
11016 here, fold to result type.
11017 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11019 2006-06-16 Roger Sayle <roger@eyesopen.com>
11021 PR middle-end/27802
11022 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11023 that (would) return their results in stack registers.
11025 2006-06-16 Michael Matz <matz@suse.de>
11026 Richard Guenther <rguenther@suse.de>
11028 * fold-const.c (fold_truthop): Only return new tree node if
11029 we canonicalized something.
11031 2006-06-16 Richard Guenther <rguenther@suse.de>
11033 * function.h (enum function_frequency): Move declaration
11034 out of struct function.
11035 (struct function): Move bool fields and the enum to the bitfield
11036 section. Reorder elements to avoid padding. Remove unused
11037 fields left over from the RTL inliner removal.
11038 * function.c (free_after_compilation): Do not zero removed fields.
11039 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11040 (ipa-type-escape.o): Likewise.
11042 2006-06-16 Richard Guenther <rguenther@suse.de>
11044 * cgraph.h (struct cgraph_local_info): Turn bool elements
11046 (struct cgraph_node): Likewise.
11047 (struct cgraph_varpool_node): Likewise.
11049 2006-06-15 Richard Guenther <rguenther@suse.de>
11051 * fold-const.c (fold_truth_not_expr): Rename from
11052 invert_truthvalue. Give it fold_* semantics to avoid
11053 generating garbage.
11054 (invert_truthvalue): New function. Wrapper around
11055 fold_truth_not_expr.
11056 (optimize_minmax_comparison): Avoid creating garbage.
11057 (fold_unary): Use fold_truth_not_expr for folding
11059 (fold_ternary): Replace uses of invert_truthvalue with
11060 fold_truth_not_expr where applicable.
11061 * tree.h (fold_truth_not_expr): Prototype.
11063 2006-06-16 Richard Guenther <rguenther@suse.de>
11065 PR tree-optimization/27781
11066 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11067 * ipa-pure-const.c (target.h): Include.
11068 (analyze_function): Do not analyze functions that do not
11071 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11073 PR middle-end/27793
11074 * tree-dfa.c (referenced_vars_dup_list): Remove.
11075 (find_referenced_vars): Remove assert.
11076 (referenced_var_check_and_insert): Replace dup list with assert.
11077 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11078 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11080 2006-06-15 Richard Guenther <rguenther@suse.de>
11082 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11083 extra unused identifiers if not dumping.
11084 (create_variable_info_for): Likewise.
11086 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11088 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11089 (derive_constant_upper_bound): Derive more precise upper bound in
11090 common cases. Return type changed to double_int.
11091 (record_estimate): Reflect the changed return type of
11092 derive_constant_upper_bound.
11093 * double-int.c (double_int_zext, double_int_sext): Fix.
11095 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11097 * configure.ac (CFLAGS): Get them from the toplevel or from the
11098 configure invocation.
11099 * configure: Regenerate.
11100 * Makefile.in (CFLAGS): Substitute value provided by configure.
11102 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11105 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11106 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11107 rather than calling add_stmt on it.
11108 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11110 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11112 PR middle-end/27959
11113 * reload1.c (reload): Remove registers returned by update_eliminables
11114 from used_spill_regs.
11116 2006-06-13 DJ Delorie <dj@redhat.com>
11118 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11120 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11122 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11123 html__strip_dir, html__mkdir_p. Enhance install-html target.
11124 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11125 * configure: Regenerate.
11127 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11129 * fold-const.c (fold_cond_expr_with_comparison): Check for
11130 Objective-C++ as language in deciding COND_EXPR transformation.
11132 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11135 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11136 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11137 * config/sh/lib1funcs.h (SL, SL1): Define.
11138 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11139 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11140 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11141 (OBJS_Os_4_200): New variable.
11142 ($(T)libgcc-Os-4-200.a): Use it.
11143 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11144 when dividing 1 and/or by 0.
11146 2006-06-13 Roger Sayle <roger@eyesopen.com>
11148 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11149 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11150 * configure: Regenerate.
11152 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11154 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11155 for real instruction.
11157 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11159 PR middle-end/26807
11160 * haifa-sched.c (check_cfg): Handle special case.
11162 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11165 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11166 Add debug_info parameter. Chain the vars to the BLOCK instead
11167 of the BIND_EXPR if debug info are requested for them.
11168 (pop_gimplify_context): Adjust for above change.
11169 (gimple_add_tmp_var): Likewise.
11170 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11171 Add bool parameter.
11172 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11173 (convert_local_reference): Likewise.
11174 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11175 (finalize_nesting_tree_1): Request that debug info be emitted
11176 for debug_var_chain.
11178 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11180 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11181 for PR target/27863.
11183 2006-06-13 Richard Guenther <rguenther@suse.de>
11185 PR middle-end/27536
11186 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11188 2006-06-13 Richard Guenther <rguenther@suse.de>
11190 PR tree-optimization/27830
11191 * tree-inline.c (copy_body_r): For copying the operand
11192 of an ADDR_EXPR make sure to fold &* afterwards.
11194 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11196 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11197 lvalues in the fb_none case with side-effects.
11199 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11201 * tree-flow.h: Remove the prototype for
11202 compute_phi_arg_on_exit.
11203 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11204 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11207 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11209 * builtins.c (expand_builtin_return_addr): Only use
11210 frame_pointer_rtx when count == 0 and we are expanding
11211 __builtin_return_address.
11213 2006-06-12 Fred Fish <fnf@specifix.com>
11215 * config/mips/mips.c (mips_file_start): Create special section
11216 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11218 2006-06-11 Eric Christopher <echristo@apple.com>
11220 PR middle-end/27948
11221 * stor-layout.c (place_field): Remove check for
11222 remaining_in_alignment when aligning at the end of a run.
11224 2006-06-11 Eric Christopher <echristo@apple.com>
11227 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11230 2006-06-11 Roger Sayle <roger@eyesopen.com>
11233 Revert incorrect fix for PR target/27158
11234 2006-05-08 Roger Sayle <roger@eyesopen.com>
11235 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11236 of a reg_equiv_constant if the result is a legitimate constant.
11238 2006-06-11 Roger Sayle <roger@eyesopen.com>
11241 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11242 extract a CONST_VECTOR element and interpret it as an integer.
11243 (vspltis_constant): Use const_vector_elt_as_int instead of the
11244 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11245 * config/rs6000/predicates.md (easy_vector_const): Consider
11246 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11248 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11250 PR middle-end/27942
11251 * stor-layout.c (update_alignment_for_field): Don't add extra
11252 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11255 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11257 * config/mips/t-rtems: Add EL/EB multilib variants.
11259 2006-06-09 Mike Stump <mrs@apple.com>
11261 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11263 2006-06-09 David Daney <ddaney@avtrex.com>
11265 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11267 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11269 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11271 2006-06-09 Richard Guenther <rguenther@suse.de>
11273 PR tree-optimization/26998
11274 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11275 of signed types, only TYPE_MIN_VALUE is special, but for both,
11276 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11277 in this case, as is -fwrapv.
11279 2006-06-08 Mike Stump <mrs@apple.com>
11282 * config/darwin.c (darwin_asm_output_anchor): Disable
11283 -fsection-anchors on darwin for now.
11284 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11285 * rs6000/rs6000.c (optimization_options): Likewise.
11287 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11290 * config/i386/i386.c (classify_argument): Skip fields with invalid
11293 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11295 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11296 (cse_insn): Likewise for the stack_pointer_rtx.
11298 2006-06-08 Roger Sayle <roger@eyesopen.com>
11300 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11301 conditions from floating point comparisons.
11303 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11305 PR middle-end/27733
11306 * expmed.c (struct alg_hash_entry): Fix type of field T
11307 to match synth_mult argument.
11308 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11310 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11313 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11316 2006-06-08 Richard Guenther <rguenther@suse.de>
11318 PR middle-end/27116
11319 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11320 only, if overflow is defined and not trapping.
11321 (negate_expr): Likewise.
11323 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11325 PR tree-optimization/27872
11326 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11327 flag on the new exit edge of the unrolled loop.
11329 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11331 PR rtl-optimization/26449
11332 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11334 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11336 PR middle-end/27793
11337 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11338 referenced_variables with matching DECL_UID's.
11339 (find_referenced_vars): Make sure duplicate list is empty to start.
11340 (referenced_var_p): Remove.
11341 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11342 Check if var is in the list, and add if needed. Update the duplicate
11343 list if a different var is in the list with the same DECL_UID.
11344 (add_referenced_var): Call routine to check and insert.
11345 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11346 * tree-flow.h (referenced_vars_dup_list): External declaration.
11348 2006-06-07 Fred Fish <fnf@specifix.com>
11350 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11353 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11356 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11357 the imaginary and real parts of a clobbered register.
11358 Emit insn to set the imaginary part.
11360 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11362 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11363 in lieu of unwind-dw2-fde.c.
11365 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11367 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11369 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11372 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11373 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11374 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11375 V4SImode temporaries and operations instead.
11377 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11379 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11382 2006-06-06 Mike Stump <mrs@apple.com>
11384 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11385 installing during build.
11387 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11389 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11391 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11392 * config/ia64/ia64.c (params.h): New header.
11393 (ia64_optimization_options): New function to adjust parameters.
11394 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11395 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11396 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11398 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11400 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11402 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11405 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11407 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11408 Victor Kaplansky <victork@il.ibm.com>
11410 PR tree-optimization/26360
11411 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11414 2006-06-04 Roger Sayle <roger@eyesopen.com>
11415 Andrew Pinski <pinskia@physics.uc.edu>
11417 PR middle-end/27382
11418 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11419 for LABEL_DECL before calling DECL_WEAK.
11422 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11423 LABEL_DECL and PARM_DECL.
11425 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11429 * c-decl.c (grokdeclarator): Disallow variably modified types at
11430 file scope. Avoid marking shared array type of constant size as
11433 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11436 * c-common.c (fold_offsetof_1): Handle static members.
11438 2006-06-04 Eric Christopher <echristo@apple.com>
11440 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11441 (debug_rli): Output value for remaining_in_alignment.
11442 (update_alignment_for_field): Unconditionalize
11443 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11444 extra alignment code.
11445 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11446 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11447 * tree.h (record_layout_info_s): Remove prev_packed.
11448 * doc/extend.texi (ms_struct): Add documentation of format.
11450 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11452 * tree.h: Declare folding_initializer.
11453 * builtins.c (fold_builtin_constant_p): Give definite answer
11454 if folding inside an initializer.
11455 * fold-const.c: Define folding_initializer.
11456 (START_FOLD_INIT): Save and then set folding_initializer.
11457 (END_FOLD_INIT): Restore folding_initializer.
11459 2006-06-04 Richard Guenther <rguenther@suse.de>
11461 PR tree-optimization/27039
11462 * fold-const.c (fold_comparison): Handle pointer comparison
11463 again for all comparison codes. Compare offsets in signed
11465 (fold_binary): Move code from here.
11467 2006-06-03 Roger Sayle <roger@eyesopen.com>
11470 * config/i386/i386.c (construct_container): Split static issued_error
11471 flag into issued_sse_arg_error, issued_sse_ret_error and
11472 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11473 requires the use of x87 registers and the user explicitly
11474 specified the -mno-80387 command line option.
11476 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11478 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11479 HAVE_DECL_SIGALTSTACK.
11481 (segv_handler): Use MC_FLD.
11482 * configure.ac: Check for a sigaltstack declaration.
11483 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11484 * configure: Regenerate.
11485 * config.in: Regenerate.
11487 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11490 * Makefile.in (stmp-fixinc): Fix typo.
11492 2006-06-02 Roger Sayle <roger@eyesopen.com>
11494 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11495 are type correct. Clean-up.
11496 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11497 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11499 2006-06-01 DJ Delorie <dj@redhat.com>
11501 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11502 shift, as we've disabled the "switch" insn that needs it.
11504 2006-06-01 Per Bothner <bothner@bothner.com>
11506 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11507 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11508 * c-ppoutput.c (cb_define): Don't increment line 0.
11510 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11512 * doc/invoke.texi: Add cpu_type power6.
11513 * config.gcc: Add cpu_type power6.
11514 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11515 to power5+ with Altivec.
11516 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11517 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11519 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11521 * config/avr/avr.h (SET_ASM_OP): Define.
11523 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11525 * config/bfin/bfin.c: Fix comment typos.
11527 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11530 * doc/install.texi: Document --enable-bootstrap and
11531 --disable-bootstrap.
11533 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11535 * doc/install.texi: Document that InfoZIP can replace jar.
11537 2006-05-31 Roger Sayle <roger@eyesopen.com>
11539 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11540 isn't available, directly generate the simpler x87 patterns without
11541 the (use (const_int 0)).
11542 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11543 implementation isn't available.
11544 (*negdf2_1): Likewise.
11545 (*negxf2_1): XF mode negation is always done using the x87.
11546 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11548 2006-05-31 Roger Sayle <roger@eyesopen.com>
11550 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11551 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11553 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11555 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11557 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11558 * config/bfin/bfin.c (basic-block.h): Include.
11559 (struct machine_function): New.
11560 (bfin_init_machine_status): New.
11561 (override_options): Initialize init_machine_status.
11562 (bfin_hardware_loop): New.
11563 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11564 (DEF_VEC_P (loop_info)): New.
11565 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11566 (struct loop_info): New.
11567 (loop_info): New typedef.
11568 (struct loop_work): New.
11569 (loop_work): New typedef.
11570 (DEF_VEC_O (loop_work)): New.
11571 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11572 (bfin_dump_loops): New.
11573 (bfin_bb_in_loop): New.
11574 (bfin_scan_loop): New.
11575 (bfin_optimize_loop): New.
11576 (bfin_reorg_loops): New.
11577 (bfin_reorg): Use bfin_reorg_loops.
11578 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11580 (I_REGNO_P): Simplify.
11581 (DP_REGNO_P, DPREG_P): New macros.
11582 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11583 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11584 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11585 Add LT_REGS, LC_REGS, LB_REGS.
11586 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11588 (REGNO_REG_CLASS): Deal with loop registers.
11589 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11591 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11592 New constants for loop registers.
11593 (UNSPEC_LSETUP_END): New.
11594 (seq_insns): New define_attr. Set it for appropriate insns.
11595 (movsi_insn): Add alternatives for move from/to
11596 loop count registers.
11597 (doloop_end): New define_expand.
11598 (loop_end): New define_insn.
11599 (define_split for bad doloop_end): New.
11600 (lsetup_with_autoinit): New define_insn.
11601 (lsetup_without_autoinit): New define_insn.
11602 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11603 * config/bfin/predicates.md (lc_register_operand): New.
11604 (lt_register_operand): New.
11605 (lb_register_operand): New.
11606 (nondp_register_operand): New.
11607 (nondp_reg_or_memory_operand): New.
11608 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11610 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11612 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11613 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11615 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11617 * Makefile.in (CATALOGS): Add po/ prefix.
11618 * configure: Regenerated.
11620 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11623 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11624 a shift operand before calling shift_op. Avoid redundant call of
11627 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11628 DJ Delorie <dj@redhat.com>
11630 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11631 we're inserting is a singlt-bit constant.
11633 2006-05-30 Roger Sayle <roger@eyesopen.com>
11635 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11636 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11638 2006-05-30 Roger Sayle <roger@eyesopen.com>
11640 PR tree-optimization/23452
11641 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11642 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11643 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11644 complex values and with -ffast-math for FP complex values.
11646 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11648 * c-common.h: Remove the prototype for yyparse.
11649 * rtl.h: Remove the prototype for init_loop.
11651 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11653 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11656 2006-05-30 Roger Sayle <roger@eyesopen.com>
11658 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11660 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11661 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11663 2006-05-30 Dirk Mueller <dmueller@suse.de>
11666 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11667 for CONSTANT_CLASS_P expresisons.
11669 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11672 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11674 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11676 PR tree-optimization/27779
11677 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11678 initial_condition instead of CHREC_LEFT.
11680 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11682 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11683 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11684 Make prototypes ISO C90.
11686 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11687 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11689 * see.c (see_analyze_one_def): Correct check.
11690 (see_get_extension_data): Check if extension is parallel.
11691 (see_get_extension_reg): Likewise.
11693 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11696 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11697 into register for (code == GTU).
11699 2006-05-29 Roger Sayle <roger@eyesopen.com>
11701 PR tree-optimization/24964
11702 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11703 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11704 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11705 abs(x)*abs(x) as x*x for scalar floating point modes.
11707 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11709 PR middle-end/27745
11710 * lambda-code.c (perfect_nestify): Don't copy statements
11711 in the inner loop: move them to the inner loop header.
11713 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11716 * c-tree.texi: Document OpenMP directives and clauses.
11718 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11720 * varasm.c (globalize_decl): Fix indentation.
11722 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11725 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11726 pass_fre, pass_store_ccp, pass_copy_prop,
11727 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11728 pass_return_slot, pass_object_size, pass_lim,
11729 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11730 pass_loop_prefetch and pass_stdarg.
11732 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11734 * config/bfin/bfin.opt (mfdpic): New option.
11735 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11736 (EXTRA_MULTILIB_PARTS): Likewise.
11737 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11738 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11740 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11741 (CRT_CALL_STATIC_FUNCTION): New.
11742 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11744 (CRT_CALL_STATIC_FUNCTION): New.
11745 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11747 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11748 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11749 (initialize_trampoline): Changed to handle FD-PIC code generation.
11750 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11751 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11752 (override_options): Disallow -mid-shared-library -mfdpic combination.
11753 Can't do unaligned ops if FD-PIC.
11754 Turn off flag_pic if trying to generate non-id-shared-library
11755 non-fdpic code, since it's not supported.
11756 (bfin_assemble_integer): New function.
11757 (TARGET_ASM_INTEGER): Define.
11758 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11760 * config/bfin/crtn.s: Restore them.
11761 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11763 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11764 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11765 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11766 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11767 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11769 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11770 FDPIC_REGS and FDPIC_FPTR_REGS.
11771 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11772 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11773 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11774 (load_funcdescsi): New pattern.
11775 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11776 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11777 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11779 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11781 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11784 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11786 * tree-flow.h: Remove the prototype for add_type_alias.
11787 * tree-ssa-alias.c (add_type_alias): Remove.
11789 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11791 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11792 config/fr30/fr30.md, config/i386/i386-interix.h,
11793 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11794 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11795 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11796 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11797 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11798 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11799 Follow spelling conventions.
11800 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11801 Follow spelling conventions.
11803 2006-05-27 Richard Guenther <rguenther@suse.de>
11805 PR middle-end/27773
11806 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11807 to produce a constant of value 1 of generic type.
11809 2006-05-27 Dirk Mueller <dmueller@suse.de>
11811 * cgraphunit.c (decide_is_function_needed): Fix wrong
11814 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11816 PR rtl-optimization/27661
11817 * reload.c (find_reloads): When reloading a VOIDmode constant
11818 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11819 use Pmode as mode of the reload register.
11821 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11823 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11824 is enabled at -O and above.
11826 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11829 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11832 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11835 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11836 for anonymous variables explicitly declared by front ends.
11838 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11840 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11841 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11842 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11843 ref-all pointers, run a finalization pass for them.
11844 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11845 (finalize_ref_all_pointers): New function.
11846 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11847 regular pointer type to a ref-all pointer type.
11848 (get_tmt_for): Return the special memory tag for ref-all pointers.
11850 2006-05-25 Richard Guenther <rguenther@suse.de>
11852 PR middle-end/27743
11853 * fold-const.c (fold_binary): Do not look at the stripped
11854 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11856 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11858 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11859 for LT and GT if the computed range is effectively empty.
11861 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11864 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11865 mips_quad_format formats instead of ieee_single_format,
11866 ieee_double_format and ieee_quad_format formats, respectively.
11868 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11870 PR tree-optimization/27639
11871 PR tree-optimization/26719
11872 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11873 call to scev_probably_wraps_p.
11874 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11875 used_in_pointer_arithmetic_p, convert_step): Removed.
11876 (nowrap_type_p): New function.
11877 (scev_probably_wraps_p): Rewritten.
11878 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11879 chrec_convert if chrec_convert_aggressive might have been used.
11880 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11881 scev_direction): New functions.
11882 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11883 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11884 instead of convert_step.
11885 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11886 (convert_step): Declaration removed.
11887 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11889 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11891 * df-core.c: Added to header comments.
11892 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11893 df_ur_bb_info, df_urec_bb_info): Added comments.
11894 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11895 urec, ri problems): Fixed header comments.
11896 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11897 code from df_rd_transfer_function.
11899 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11901 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11902 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11903 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11905 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11907 * expr.c (undefined_operand_subword_p): New.
11908 (emit_move_multi_word): Do not generate move from undefined bits
11909 of a paradoxical subreg.
11911 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11913 PR rtl-optimization/27736
11914 * combine.c (replaced_rhs_value): New variable.
11915 (combine_instructions): Set it.
11916 (distribute_notes): When distributing a note in replaced_rhs_insn,
11917 check whether the value was used in replaced_rhs_value.
11919 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11922 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11923 add_referenced_var instead of add_referenced_tmp_var.
11924 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11925 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11926 add_referenced_var.
11927 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11928 tree_optimize_tail_calls_1): Use add_referenced_var.
11929 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11930 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11931 Use add_referenced_var.
11932 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11933 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11934 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11935 Use add_referenced_var.
11936 * tree-dfa.c (struct walk_state): Remove.
11937 (find_referenced_vars): Remove walk state and vars_found hash table.
11938 (make_rename_temp): Use add_referenced_var.
11939 (find_vars_r): Pass less parameters to add_referenced_var.
11940 (referenced_var_p): New. Is var in referenced_var hash table.
11941 (referenced_var_insert): Assert var isn't already in hash table.
11942 (add_referenced_var): Don't need walk_state parameter. Add var if it
11943 isn't already in the hash table.
11944 (add_referenced_tmp_var): Remove.
11945 (find_new_referenced_vars_1): Use add_referenced_var.
11946 * tree-ssa-pre.c (create_expression_by_pieces,
11947 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11948 Use add_referenced_var.
11949 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11950 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11951 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11952 add_referenced_var.
11953 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11954 vect_create_data_ref_ptr, vect_create_destination_var,
11955 vect_init_vector, vect_build_loop_niters,
11956 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11957 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11958 Use add_referenced_var.
11959 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11960 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11961 (add_referenced_var): Add prototype.
11962 * tree-ssa-structalias.c (get_constraint_for,
11963 intra_create_variable_infos): Use add_referenced_var.
11965 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11967 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11968 big-endian paradoxical subregs.
11969 * var-tracking.c (struct micro_operation_def): Document that,
11970 for modify micro operations, insn is the subsequent instruction.
11971 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11972 (var_reg_set, var_mem_set): ... new functions.
11973 (add_stores): Record subsequent insn.
11974 (compute_bb_dataflow): Use new functions for MO_USE.
11975 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11976 notes after the insn, and modify notes before the insn known
11977 to be the subsequent one.
11978 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11980 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11983 * config/i386/i386.c (ix86_expand_builtin): Use
11984 gen_sse3_monitor64 for TARGET_64BIT.
11986 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11988 PR rtl-optimization/26375
11989 PR rtl-optimization/26855
11990 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11992 (df_ru_bb_local_compute): Reversed statements and removed bogus
11993 comment explaining why they should be in wrong order.
11994 (df_ru_dump, df_rd_dump): Enhanced debug info.
11995 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11997 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11998 reaching uses and fixed space problem.
12000 2006-05-23 Jan Hubicka <jh@suse.cz>
12002 * cgraphunit.c (decide_is_function_needed): Also nested functions
12003 and functions declared inline can be optimized out at -O0.
12005 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
12007 * doc/install.texi (Configuration): Remove reference to CrossGCC
12008 FAQ which was gone.
12011 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12014 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12015 ix86_compare_emitted is non-NULL.
12017 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12020 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12023 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12025 PR rtl-optimization/25514
12026 * combine.c (replaced_rhs_insn): New variable.
12027 (combine_instructions): Set replaced_rhs_insn when trying to replace
12028 a SET_SRC with a REG_EQUAL note.
12029 (distribute_notes): Use replaced_rhs_insn when determining the live
12030 range of a REG_DEAD register.
12032 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12033 Anatoly Sokolov <aesok@post.ru>
12035 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12036 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12037 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12038 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12039 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12040 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12041 at90usb647, at90usb1286 and at90usb1287 devices.
12042 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12043 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12045 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12047 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12049 2006-05-22 Richard Guenther <rguenther@suse.de>
12052 2006-01-31 Richard Guenther <rguenther@suse.de>
12053 Paolo Bonzini <bonzini@gnu.org>
12055 * doc/install.texi (--disable-libgcc-math): Document.
12057 2006-05-22 Richard Guenther <rguenther@suse.de>
12060 2006-01-31 Richard Guenther <rguenther@suse.de>
12062 * doc/invoke.texi (-msselibm): Document.
12063 * target.h (expand_library_builtin): New target hook.
12064 * builtins.c (expand_builtin): Use expand_library_builtin.
12065 (default_expand_library_builtin): New function.
12066 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12067 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12068 (link_gcc_math_spec): Declare.
12069 (static_specs): Add link_gcc_math_spec.
12070 * expr.h (default_expand_library_builtin): Declare.
12071 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12072 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12073 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12074 * config/i386/i386.opt (msselibm): New target option.
12075 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12076 (ix86_init_sse_abi_builtins): New function.
12077 (ix86_expand_library_builtin): Likewise.
12078 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12079 (override_options): Handle error conditions wrt -msselibm.
12080 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12081 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12082 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12085 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12088 * c-common.c (self_promoting_args_p): Skip erroneous args.
12091 * c-decl.c (finish_struct): Skip erroneous fields.
12093 2006-05-22 Nick Clifton <nickc@redhat.com>
12095 * config/cris/cris.opt (march): Remove VarExists attribute.
12096 (max-stackframe=): Likewise.
12098 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12100 * doc/rtl.texi: Fix a typo.
12101 * see.c: Fix comment typos.
12103 * tree-ssa-structalias.h (alias_info): Remove num_references.
12105 2006-05-21 Mike Stump <mrs@apple.com>
12107 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12109 (darwin_pragma_options): Use BAD instead.
12110 (darwin_pragma_unused): Likewise.
12111 (darwin_pragma_ms_struct): Likewise.
12113 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12115 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12117 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12119 PR rtl-optimization/27671
12120 * simplify-rtx.c (simplify_relational_operation_1): Fix
12121 simplifications of (eq/ne (xor x y) y) and
12122 (eq/ne (xor x y) x).
12124 PR tree-optimization/26622.
12125 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12128 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12130 * tree-cfg.c: Prune whitespace.
12131 (debug_tree_cfg): Point to correct header containing the
12134 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12136 PR middle-end/25776
12137 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12139 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12141 PR middle-end/25776
12142 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12143 or sorry count is non zero.
12145 2006-05-20 Andreas Schwab <schwab@suse.de>
12147 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12149 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12150 Kenneth Zadeck <zadeck@naturalbridge.com>
12152 PR rtl-optimization/26855
12154 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12156 (df_scan_alloc): Added code to properly handle multiword hard
12157 registers and add all_blocks parameter.
12158 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12159 code to properly handle multiword hard registers.
12160 (df_rescan_blocks): Added code to remove deleted blocks from
12162 (df_ref_create_structure, df_ref_record): Added code to properly
12164 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12165 and set DF_REF_PARTIAL.
12166 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12167 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12168 (df_scan_add_problem): Added flags parameter.
12169 (df_ref_create_structure): Changed switching structure.
12170 (df_bb_refs_record): Fixed case where duplicate artificial refs
12171 were created. Changed location of flags.
12172 (df_record_entry_block_defs): Added code to make stack pointer
12173 live in entry block. Refined cases where frame pointer is needed.
12174 Changed location of flags.
12175 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12176 (df_set_state): Removed function.
12177 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12178 df_insn_create_insn_record, df_insn_refs_delete,
12179 df_ref_create_structure): Formatting changes.
12180 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12181 df_delete_basic_block): New function.
12182 (df_init): Changed location of flags.
12183 (df_add_problem): Added flags parameter and the way flags are
12185 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12186 debug_df_chain): Improved debugging output.
12187 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12188 (df_refs_chain_dump): Removed df parameter.
12189 (df_iterative_dataflow): Added consistency check.
12190 (df_prune_to_subcfg): Made public.
12191 (df_analyze_problem): Added blocks_to_init parameter and made
12193 (df_ref_record, df_bb_refs_record, df_mark_reg,
12194 df_record_exit_block_uses): Whitespace changes.
12195 (df_dump): Whitespace changes.
12196 * df.h: Some reordering to remove forward references.
12197 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12198 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12199 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12200 (dataflow.flags): New field.
12201 (df.flag): Deleted field.
12202 (df_alloc_function): Added additional bitmap parameter.
12203 (df_dependent_problem_function): New type.
12204 (df_problem.changeable_flags): New field.
12205 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12206 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12207 (df_mw_hardreg): New struct.
12208 (DF_INSN_UID_MWS): New macro.
12209 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12211 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12212 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12213 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12214 (df_set_state): Removed function.
12215 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12216 * df-problems.c (df_chain_dump): Removed df parameter.
12217 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12218 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12220 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12221 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12222 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12223 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12224 DF_REF_MUST_CLOBBER cases.
12225 (df_ru_bb_local_compute_process_def,
12226 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12227 df_lr_bb_local_compute, df_ur_bb_local_compute,
12228 df_chain_create_bb): Made subreg aware.
12229 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12230 df_lr_bb_local_compute, df_lr_bb_local_compute,
12231 df_chain_create_bb): Cleanup to use proper macros.
12232 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12233 code to fixup bitvectors.
12234 (df_ri_alloc): Cleared lifetime.
12235 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12236 df_create_unused_note): New function.
12237 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12238 REG_DEAD and REG_UNUSED notes as well as register information.
12239 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12240 df_chains_dump): Fixed crash if problem was never run.
12241 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12242 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12243 df_ri_add_problem): Processes flags in uniform manner.
12244 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12245 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12246 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12247 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12248 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12249 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12250 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12251 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12252 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12253 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12254 * see.c (see_initialize_data): Ditto.
12255 * final.c (rest_of_clean_state) Added regstack_completed.
12256 * rtl.h (regstack_completed): Ditto.
12257 * reg-stack.c (regstack_completed): Ditto.
12259 2006-05-19 Mike Stump <mrs@apple.com>
12261 * c-tree.h (default_conversion): Remove.
12262 * c-common.h (default_conversion): Add.
12264 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12266 * tree-vrp.c (valid_value_p): New function.
12267 (adjust_range_with_scev): Fail if the value of bound is not
12270 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12272 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12273 (mips_fallback_frame_state): Use syscall numbers to determine
12274 the appropriate li instruction for the current ABI. Only use
12275 __NR_sigreturn for o32.
12277 2006-05-19 Nicolas Setton <setton@adacore.com>
12279 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12280 * langhooks.c (lhd_dwarf_name): New function.
12281 * langhooks-def.h (lhd_dwarf_name): Declare.
12282 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12283 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12285 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12287 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12289 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12290 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12291 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12292 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12293 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12294 determine the size of Wtype, etc.
12295 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12296 (swfloatfuncs): New variable.
12297 (dwfloatfuncs): Likewise.
12298 (lib2funcs): Remove floating-point conversion functions from
12299 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12300 the set of conversion routines needed. Allow entries to specify
12301 an object name, filename and word size. Update users accordingly.
12302 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12303 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12307 2006-02-08 Roger Sayle <roger@eyesopen.com>
12310 * config/fixtfdi.c: New libgcc source file.
12311 * config/fixunstfdi.c: New source file.
12312 * config/floatditf.c: New source file.
12313 * config/floatunditf.c: New souce file.
12314 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12315 files above instead of config/mips/_tilib.c.
12316 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12318 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12320 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12321 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12323 2006-05-18 Mike Stump <mrs@apple.com>
12325 Fix up vla, vm and [*] sematics.
12331 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12332 (c_vla_unspec_p): Add.
12333 (c_vla_type_p): Add.
12334 * c-decl.c (struct c_scope): Add had_vla_unspec.
12335 (build_array_declarator): Add support for [*].
12336 (grokdeclarator): Likewise.
12337 (grokparms): Likewise.
12338 (get_parm_info): Likewise.
12339 * c-objc-common.c (c_vla_unspec_p): Likewise.
12340 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12341 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12342 typeof when argument is a variably modified type not inside sizeof or alignof.
12343 (c_parser_direct_declarator_inner): Propagate errors.
12344 (c_parser_sizeof_expression): Add support for [*].
12345 (c_parser_parms_declarator): Initialize had_vla_unspec.
12346 (c_parser_parms_list_declarator): Likewise.
12347 * c-typeck.c (c_vla_type_p): Add.
12348 (composite_type): Add support for vla compositing.
12349 (comptypes_internal): Add support for vla compatibility.
12350 (c_expr_sizeof_expr): Evaluate vla arguments.
12351 * tree.c (variably_modified_type_p): Update comment for [*].
12353 2006-05-18 Michael Matz <matz@suse.de>
12356 * config.host: Make assignments to host_xmake_file cumulative.
12357 * config.host (*-darwin*): Test $host, not $target.
12359 2006-05-12 Stuart Hastings <stuart@apple.com>
12361 * config/i386/i386.opt (-mstackrealign): New flag.
12362 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12363 (ix86_handle_cconv_attribute): Emit error when
12364 force_align_arg_pointer attribute collides with too many regparms.
12365 (ix86_function_regparm): Limit regparms when used with
12366 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12367 Support stack-realigning prologue in non-main functions. Emit
12368 warning for nested functions under -mstackrealign, emit error for
12369 nested functions with force_align_arg_pointer attribute.
12370 * doc/extend.texi (force_align_arg_pointer): Document it.
12371 * doc/invoke.texi (-mstackrealign): Document it.
12373 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12375 PR rtl-optimization/27477
12376 * combine.c (try_combine): Don't split a parallel consisting
12377 of two sets into two individual sets if both sets reference
12380 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12382 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12383 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12385 * doc/options.texi (VarExists): Updated.
12387 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12389 * unwind-dw2.c: Add declarations for uw_update_context and
12390 uw_frame_state_for.
12391 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12392 detected, advance frame state and context once to skip over stub.
12394 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12396 PR middle-end/20256
12397 PR middle-end/26435
12398 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12399 Call rewrite_into_loop_closed_ssa only when something changed.
12400 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12401 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12402 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12403 Test for perfect_nest_p here. Fix formating.
12404 (replace_uses_equiv_to_x_with_y): Fix formating.
12405 (stmt_uses_op): Removed.
12406 (can_convert_to_perfect_nest): Removed loopivs parameter.
12407 Complete the test by checking the scalar dependences.
12408 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12411 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12414 From Dan Kegel <dank@kegel.com>:
12415 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12417 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12419 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12420 if the element type is variably modified without recursing.
12422 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12424 PR middle-end/27332
12425 * tree-loop-linear.c (try_interchange_loops): Test for
12426 no data dependences.
12428 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12430 PR tree-optimization/27548
12431 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12432 range of ssa names that appear on abnormal edges.
12433 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12434 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12436 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12438 PR middle-end/27620
12439 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12441 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12443 PR middle-end/27415
12444 * tree.h (OMP_PARALLEL_COMBINED): Define.
12445 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12446 (new_omp_context): Add is_combined_parallel argument.
12447 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12448 new_omp_context caller.
12449 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12450 Adjust gimplify_scan_omp_clauses callers.
12451 (omp_is_private): Issue errors if iteration variable is firstprivate
12452 or reduction in the current context.
12453 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12454 on combined parallel workshare constructs.
12456 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12458 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12459 (gcc-options.o): New rule.
12461 * optc-gen.awk: Protect variables for gcc-options.o with
12462 #ifdef GCC_DRIVER/#endif.
12464 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12466 Fix PR tree-optimization/27373
12467 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12468 (forward_propagate_addr_expr): Update call.
12470 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12472 * doc/options.texi: Move the Negative option.
12474 2006-05-16 Richard Guenther <rguenther@suse.de>
12476 PR tree-optimization/22303
12477 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12479 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12480 ccp_fold did not simplify the statement.
12482 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12485 * Makefile.in (GCC_OBJS): New.
12486 (OBJS-common): Add opts-common.o.
12487 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12488 (cpp$(exeext)): Likewise.
12489 (gcc.o): Also depend on opts.h.
12490 (opts-common.o): New.
12492 * common.opt (gcoff): Add Negative(gdwarf-2).
12493 (gdwarf-2): Add Negative(gstabs).
12494 (gstabs): Add Negative(gstabs+).
12495 (gstabs+): Add Negative(gvms).
12496 (gvms): Add Negative(gxcoff).
12497 (gxcoff): Add Negative(gxcoff+).
12498 (gxcoff+): Add Negative(gcoff).
12499 * config/i386/i386.opt (m32): Add Negative(m64).
12500 (m64): Add Negative(m32).
12502 * doc/options.texi: Document the Negative option.
12504 * gcc.c: Include "opts.h".
12505 (main): Call prune_options after expandargv.
12507 * optc-gen.awk: Generate common declarations for all flag
12508 variables in options.c. Output the neg_index field.
12510 * opts.c (find_opt): Moved to ...
12511 * opts-common.c: Here. New file.
12513 * opts.h (cl_option): Add a neg_index field.
12515 (prune_options): Likewise.
12517 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12519 PR middle-end/27573
12520 * omp-low.c (expand_omp_parallel): Don't assert
12521 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12522 instead search for it.
12525 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12528 2006-05-16 Andreas Schwab <schwab@suse.de>
12530 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12533 2006-05-15 Roger Sayle <roger@eyesopen.com>
12536 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12537 integer constants other than zero are only legitimate on TARGET_64BIT.
12538 <CONST_VECTOR> Only zero vectors are legitimate.
12539 (ix86_cannot_force_const_mem): Integral and vector constants can
12540 always be put in the constant pool.
12542 2006-05-16 DJ Delorie <dj@redhat.com>
12544 * crtstuff.c (__dso_handle): Set section from
12545 TARGET_LBIGCC_SDATA_SECTION if defined.
12546 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12547 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12549 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12552 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12555 2006-05-16 Ben Elliston <bje@au.ibm.com>
12557 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12559 2006-05-15 Per Bothner <per@bothner.com>
12561 * tree.c: (last_annotated_node): Use source_locus typedef.
12562 This permits bootstrapping with --enable-mapped-location.
12564 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12566 PR tree-optimization/26830
12567 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12568 (info_for_ssa_name, current_info_for_ssa_name_age,
12569 blocks_to_update): New variables.
12570 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12571 (clear_ssa_name_info, initialize_flags_in_bb,
12572 mark_block_for_update): New functions.
12573 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12574 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12575 prepare_def_site_for): Use mark_block_for_update.
12576 (mark_def_interesting): Assert that the processed block is marked in
12577 blocks_to_update. Do not take blocks argument.
12578 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12580 (rewrite_update_init_block, rewrite_update_stmt): Only process
12581 blocks with statements to rewrite.
12582 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12583 (update_ssa): Initialize and free blocks_to_update. Do not
12584 clear flags on statements. Do not use blocks bitmap.
12585 * tree.h (SSA_NAME_AUX): Removed.
12586 (struct tree_ssa_name): Removed aux field.
12587 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12589 2006-05-15 Richard Guenther <rguenther@suse.de>
12591 PR tree-optimization/27603
12592 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12593 Do computations in original type.
12595 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12597 * see.c: Code style changes such as redundant paranthesis,
12598 redundant intialization of local variables etc.
12599 (see_main): Declared now as static.
12600 * doc/invoke.texi: Update that -fsee is not enabled by
12603 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12605 * omp-low.c (check_omp_nesting_restrictions): New function.
12606 (scan_omp_1): Call it.
12608 PR middle-end/27416
12609 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12610 construct, return *VAR.
12612 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12614 PR rtl-optimization/27406
12615 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12618 2006-05-14 Roger Sayle <roger@eyesopen.com>
12620 PR rtl-optimization/27538
12621 * combine.c (expand_compound_operation): Call gen_lowpart
12622 before calling simplify_shift_const.
12624 2006-05-14 Roger Sayle <roger@eyesopen.com>
12626 PR rtl-optimization/22563
12627 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12628 a fixed width bitfield, always force the intermediates into psuedos.
12630 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12633 * mkconfig.sh: Use operator = instead of == for test.
12635 2006-05-13 Nick Clifton <nickc@redhat.com>
12637 * dwarf2out.c (dbx_reg_number): Check return value from
12638 LEAF_REG_REMAP and only use it if it is valid.
12639 (multiple_reg_loc_descriptor): Likewise.
12641 2006-05-13 Richard Guenther <rguenther@suse.de>
12643 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12646 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12648 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12649 information attached to non-INSNs such as NOTEs.
12650 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12652 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12654 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12656 * config/s390/s390.md: Adjust comment describing On constraint.
12658 2006-05-11 Jan Hubicka <jh@suse.cz>
12660 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12661 to be output at -O0.
12663 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12665 PR middle-end/27384
12666 * fold-const.c (size_binop): Move sanity check for arguments to
12667 the beginning of the function.
12669 PR middle-end/27488
12670 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12673 2006-05-11 Richard Guenther <rguenther@suse.de>
12675 PR middle-end/27529
12676 * fold-const.c (fold_unary): Handle intermediate conversion
12677 to a pointer type like intermediate conversion to an integer
12678 type in folding of (T1)(T2)var to var.
12679 Match the code to the comment in the final conversion for
12680 (T1)(T2)var to (T1)var regarding to type precision. Rather
12681 than disallow T1 being of pointer type, assert that both T1
12682 and var are of pointer type or not. Make sure not to fall
12683 over the frontends lazyness wrt array to pointer decay though.
12685 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12687 * arm.c (arm_struct_value_rtx): Delete.
12688 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12689 (arm_init_cumulative_args): Always initialize nregs to zero.
12691 2006-05-10 Richard Guenther <rguenther@suse.de>
12693 PR tree-optimization/27532
12694 * tree-object-size.c (plus_expr_object_size): Fix typo.
12696 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12699 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12700 ashrdi_const, ashrdi3): Use a scratch register.
12702 2006-05-10 Richard Guenther <rguenther@suse.de>
12704 PR tree-optimization/27302
12705 * fold-const.c (operand_equal_p): For two comparisons,
12706 try comparison of one comparison code swapped if that yields
12709 2006-05-10 Ben Elliston <bje@au.ibm.com>
12711 * tree-pretty-print.c (pretty_print_string): No need to handle
12712 '\0' as a special character.
12714 * tree.h: Include "hashtab.h".
12715 (iterative_hash_expr): Use hashval_t in its prototype.
12716 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12718 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12721 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12722 (hppa*64*-*-hpux11*): Ditto.
12723 (hppa[12]*-*-hpux11*): Ditto.
12725 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12728 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12730 2006-05-09 Michael Matz <matz@suse.de>
12732 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12733 host_extra_gcc_objs and host_xmake_file.
12734 (<*-*-linux*>): Don't overwrite host_xmake_file.
12735 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12736 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12737 (host_detect_local_cpu): Declare.
12738 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12739 * config/i386/i386.c (override_options): Handle -mtune=native
12741 * config/i386/x-i386: New file.
12742 * config/i386/driver-i386.c: New file.
12743 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12746 2006-05-09 Dirk Mueller <dmueller@suse.de>
12747 Richard Guenther <rguenther@suse.de>
12749 PR middle-end/27498
12750 * fold-const.c (fold_read_from_constant_string): Relax check
12751 for matching types to matching modes.
12753 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12755 PR rtl-optimization/27335
12756 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12759 2006-05-08 Chao-ying Fu <fu@mips.com>
12760 Richard Sandiford <richard@codesourcery.com>
12762 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12763 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12764 * config/mips/mips.md (UNSPEC_SCC): New constant.
12765 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12766 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12767 (mips_emit_compare): Use it.
12768 (mips_expand_vcondv2sf): New function.
12770 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12772 Fix PR tree-optimization/27093
12773 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12774 renaming when they become not-used_alone.
12776 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12778 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12779 relocation and relocation stubs.
12781 2006-05-08 Eric Christopher <echristo@apple.com>
12783 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12786 2006-05-08 Jan Hubicka <jh@suse.cz>
12788 PR middle-end/24561
12789 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12790 unused static functions are needed.
12792 2006-05-08 Roger Sayle <roger@eyesopen.com>
12795 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12796 of a reg_equiv_constant if the result is a legitimate constant.
12798 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12801 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12802 standard 80387 constants, raise the cost to prevent
12803 compress_float_constant() to generate load from memory.
12805 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12807 * config/arm/constraints.md (c): Fix a typo.
12809 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12812 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12815 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12817 (_mm_mwait): Likewise.
12819 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12821 (sse3_monitor): Make it 32bit only.
12822 (sse3_monitor64): New. 64bit monitor.
12824 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12827 * config/i386/i386.c (classify_argument): Skip fields with invalid
12830 2006-05-07 Richard Guenther <rguenther@suse.de>
12832 PR tree-optimization/27409
12833 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12834 Do not try to find zero-sized subvars.
12836 2006-05-07 Richard Guenther <rguenther@suse.de>
12838 PR tree-optimization/27136
12839 * tree-ssa-loop-niter.c (get_val_for): Correct function
12840 comment, assert requirements.
12841 (loop_niter_by_eval): Stop processing if the iterated
12842 value did not simplify.
12844 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12846 * opts.c (flag_see): remove its setting at -O3.
12848 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12850 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12851 * arm/constraints.md: New file.
12852 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12853 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12854 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12855 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12856 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12857 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12858 * arm.md: Include constraints.md.
12859 (thumb_movsi_insn): Use satisfies_constraint_J.
12860 (movhi, movqi): Use satisfies_constraint_I.
12862 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12864 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12865 for atmeg a645 device.
12867 2006-05-06 Richard Guenther <rguenther@suse.de>
12869 PR tree-optimization/27151
12870 * tree-vect-transform.c (vectorizable_condition): Punt on
12871 values that have a different type than the condition.
12873 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12876 * c-parser.c (c_parser_cast_expression): Only insert casts into
12877 hash table if pointer.
12878 * function.c (used_types_insert_helper): Rename from
12880 (used_types_insert): Call used_types_insert_helper.
12881 * function.h (used_types_insert): Accept only one argument.
12883 2006-05-05 David Edelsohn <edesohn@gnu.org>
12885 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12886 scratch with output modifier.
12888 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12891 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12892 with output modifier.
12894 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12897 * config/mips/mips.c (mips_symbolic_address_p): Return true
12898 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12899 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12901 2006-05-04 Richard Guenther <rguenther@suse.de>
12903 PR tree-optimization/14287
12904 PR tree-optimization/14844
12905 PR tree-optimization/19792
12906 PR tree-optimization/21608
12907 PR tree-optimization/27090
12908 * tree-ssa-pre.c (try_combine_conversion): New function.
12909 (compute_avail): After constructing the value-handle
12910 expression, use try_combine_conversion to combine NOP_EXPRs
12911 with previous value-handle expressions and use the result if it
12914 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12916 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12918 2006-05-04 Jan Hubicka <jh@suse.cz>
12920 PR middle-end/25962
12921 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12923 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12925 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12926 that this only matches CONST_INTs. All users changed to VOIDmode
12929 * config/bfin/bfin.c: Include "optabs.h".
12930 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12932 (enum bfin_builtins): Add a number of fractional and vector builtins.
12933 (bfin_init_builtins): Likewise.
12934 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12935 (safe_vector_operand, bfin_expand_binop_builtin,
12936 bfin_expand_unop_builtin): New functions.
12937 (bfin_expand_builtin): Handle the new builtins.
12938 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12941 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12944 * Makefile.in (OBJS-common): Add see.o.
12945 (see.o): Add dependencies.
12946 * common.opt (fsee): New flag for the see optimization was added.
12947 * opts.c (flag_see): Initialized.
12948 * passes.c (init_optimization_passes, pass_see): New pass.
12949 * rtl.h (see_main): Declaration as extern.
12950 * timevar.def (TV_SEE): New.
12951 * tree-pass.h (pass_see): Declaration as extern.
12952 * invoke.texi (-fsee): Document.
12953 * recog.c (validate_simplify_insn): New function.
12954 * recog.h (validate_simplify_insn): Declaration as extern.
12955 * df-problems.c (df_chain_dump): Check for NULL.
12957 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12958 Daniel Berlin <dberlin@dberlin.org>
12960 * cfgrtl.c (insert_insn_bb_end_new): New function.
12961 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12963 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12965 * df.h (struct web_entry): Moved from web.c.
12966 (union_defs): Declaration as extern.
12967 (unionfind_root): Likewise.
12968 (unionfind_union): Likewise.
12969 * web.c (struct web_entry): Moved to df.h.
12970 (unionfind_root): Remove static declaration.
12971 (unionfind_union): Likewise.
12972 (union_defs): Likewise and generalize to use callback function.
12973 (web_main): Update arguments for union_defs function call.
12975 2006-05-04 Richard Guenther <rguenther@suse.de>
12977 PR tree-optimization/26447
12978 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12979 produce SSA_NAME copies before the store stmt to avoid
12980 breaking exception handling.
12982 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12984 PR middle-end/27388
12985 * gimplify.c (omp_is_private): If var is shared in some outer context,
12986 return false instead of true. Stop searching on parallel context
12989 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12992 * coverage.c: Use get_gcov_unsigned_t() instead of
12993 unsigned_type_node all over.
12995 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12997 PR tree-optimization/27381
12998 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12999 maintain the same immediate_use links.
13000 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13001 node rather than segfaulting.
13003 2006-05-03 Jakub Jelinek <jakub@redhat.com>
13006 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13007 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
13008 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13010 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
13012 Fix PR tree-optimization/26626
13013 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13015 * tree-ssa-operands.c (access_can_touch_variable): Allow
13016 typecasting through union pointers.
13018 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13021 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13022 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13023 to find if var will be a global variable even in the nested context.
13024 (omp_copy_decl): Only check for global variable at the end, it might
13025 be overridden in outer contexts.
13026 (scan_sharing_clauses): For global variables don't create a field.
13027 (lower_rec_input_clauses): Do nothing for global shared variables.
13028 Emit a barrier at the end of ILIST if there were any decls in both
13029 firstprivate and lastprivate clauses.
13030 (lower_send_clauses): Do nothing for global variables except for
13033 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13035 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13036 of the correct signedness is returned.
13038 2006-05-02 Jeff Law <law@redhat.com>
13040 PR tree-optimization/27364
13041 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13042 multiply expressions.
13044 2006-05-02 Tom Tromey <tromey@redhat.com>
13046 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13048 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13051 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13052 -mthumb -fPIC are used.
13054 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13055 Joshua Kinard <kumba@gentoo.org>
13058 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13059 with 64-bit pointers.
13061 2006-05-02 Paul Brook <paul@codesourcery.com>
13063 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13065 (create_fix_barrier): Check that a suitable barrier location is
13067 (arm_reorg): Include ftmp->address in allowable range of addresses.
13069 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13072 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13075 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13077 PR middle-end/27337
13078 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13079 around RESULT_DECL for result passed by reference.
13080 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13081 * omp-low.c (use_pointer_for_field): Don't look at
13082 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13083 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13084 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13085 time or var for passing by reference for
13086 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13087 TREE_ADDRESSABLE variables when passing by reference.
13089 * omp-low.c (dump_omp_region): Fix output formatting.
13091 PR middle-end/27328
13092 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13093 (expand_omp_parallel): Likewise.
13094 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13096 PR middle-end/27325
13097 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13098 on statement list containing also constructors and destructors.
13099 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13101 PR middle-end/27310
13102 * except.c (duplicate_eh_regions): Fix clearing of
13103 cfun->eh->region_array entries.
13105 2006-05-01 DJ Delorie <dj@redhat.com>
13107 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13109 (gcc_cv_objdump): Likewise.
13110 * configure: Regenerated.
13112 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13115 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13116 templates for case 3 and 4.
13118 2006-05-01 DJ Delorie <dj@redhat.com>
13120 * vec.c: Include bconfig.h when appropriate.
13121 * Makefile.in (build/vec.o): Adjust dependencies.
13122 * mkconfig.sh: Make sure config.h isn't used for build machine
13125 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13127 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13129 (mark_phi_for_rewrite): New function.
13130 (insert_phi_nodes_for, mark_use_interesting): Call
13131 mark_phi_for_rewrite.
13132 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13133 (update_ssa): Initialize and free phis_to_rewrite.
13135 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13137 PR rtl-optimization/27291
13138 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13139 folded to a constant.
13141 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13143 PR tree-optimization/27283
13144 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13145 not whole # of iteration descriptions.
13146 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13147 uses abnormal ssa name.
13148 (niter_for_single_dom_exit): Ditto.
13149 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13150 return just the number of iterations.
13152 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13154 PR tree-optimization/27144
13155 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13156 (record_estimate): Only record constant upper bound.
13157 (infer_loop_bounds_from_undefined): Call
13158 compute_estimated_nb_iterations just once.
13159 (proved_non_wrapping_p): Renamed to ...
13160 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13161 (convert_step_widening, scev_probably_wraps_p): Call
13162 n_of_executions_at_most instead of proved_non_wrapping_p.
13163 (substitute_in_loop_info): Do not replace values in bounds.
13164 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13167 2006-05-01 Richard Henderson <rth@redhat.com>
13170 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13171 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13174 2006-05-01 Roger Sayle <roger@eyesopen.com>
13176 * c-typeck.c (parser_build_binary_op): Don't call the function
13177 unsigned_conversion_warning to spot operand/result type overflow.
13178 (build_binary_op): Instead, call convert_and_check instead of
13179 convert to report the problem when the operands are promoted.
13180 * c-common.c (unsigned_conversion_warning): Make static.
13181 * c-common.h (unsigned_conversion_warning): Delete prototype.
13183 2006-05-01 Richard Guenther <rguenther@suse.de>
13185 PR tree-optimization/26726
13186 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13188 (find_interesting_uses_address): ... we work around here
13189 by folding INDIRECT_REFs in the substituted base.
13191 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13193 * omp-low.c (dump_omp_region): Add newlines.
13195 2006-04-30 Roger Sayle <roger@eyesopen.com>
13197 * common.opt (Woverflow): New command line option.
13198 * c-common.c (constant_expression_warning): Check warn_overflow.
13199 (overflow_waring): Pass OPT_Woverflow to warning.
13200 (unsigned_conversion_warning): Likewise.
13201 (convert_and_check): Likewise.
13202 * doc/invoke.texi: Document new command line option.
13204 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13206 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13207 TARGET_NO_FP_IN_TOC for section anchors.
13208 (optimization_options): Enable section anchors for all
13209 non-"Objective" languages.
13211 2006-04-28 Eric Christopher <echristo@apple.com>
13213 * config/darwin-c.c (darwin_ms_struct): Move this
13214 (darwin_set_default_type_attributes): and this...
13215 * config/darwin.c: ... here.
13216 * config/darwin.h (darwin_ms_struct): Declare.
13218 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13220 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13222 2006-04-28 Roger Sayle <roger@eyesopen.com>
13225 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13226 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13227 an unsigned HOST_WIDE_INT.
13228 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13230 (really_start_incremental_init): No need to call convert because
13231 bitsize_zero_node is already of type bitsizetype.
13232 (push_init_level): Extract the value of constructor_index as an
13233 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13234 (process_init_element): Likewise.
13236 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13238 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13239 value before passing to make_relative_prefix.
13241 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13243 PR middle-end/27260
13244 * builtins.c (expand_builtin_memset): Expand val in original mode.
13246 2006-04-27 Eric Christopher <echristo@apple.com>
13248 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13249 with #ifndef/#endif.
13250 * config/darwin-c.c (darwin_ms_struct): New.
13251 (darwin_pragma_ms_struct): Ditto.
13252 (darwin_set_default_type_attributes): Ditto.
13253 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13254 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13255 Register ms_struct pragma.
13256 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13257 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13258 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13259 darwin_set_default_type_attributes if TARGET_MACHO.
13261 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13263 PR tree-optimization/26854
13264 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13265 * doc/tree-ssa.texi: Update immuse iterator documentation.
13266 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13267 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13268 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13269 first_safe_imm_use, next_safe_imm_use): Remove.
13270 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13271 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13272 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13273 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13274 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13275 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13276 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13277 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13278 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13279 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13280 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13281 (perfect_nestify): Use new iterator.
13282 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13284 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13285 (next_imm_name): New field in struct immediate_use_iterator_d.
13286 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13287 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13288 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13289 * tree-cfg.c (replace_uses_by): Use new iterator.
13290 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13291 * tree-ssa-operands.c (correct_use_link): Remove.
13292 (finalize_ssa_use_ops): No longer call correct_use_link.
13294 2006-04-27 Stuart Hastings <stuart@apple.com>
13296 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13297 * config/t-darwin (crt3.o): Use it.
13298 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13299 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13300 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13301 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13302 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13305 2006-04-27 Roger Sayle <roger@eyesopen.com>
13307 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13308 size, force the intermediate into a new pseudo rather instead of
13309 performing both a bitwise AND and a bitwise IOR in memory.
13311 2006-04-27 Richard Guenther <rguenther@suse.de>
13313 PR rtl-optimization/26685
13314 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13315 this one "max-flow-memory-locations".
13317 2006-04-27 Richard Guenther <rguenther@suse.de>
13319 PR tree-optimization/25148
13320 * tree-vrp.c (compare_values): Remove code dealing with
13321 comparisons against type min/max value. Honour overflow
13322 and negative constants in code dealing with comparisons
13323 of plus and minus expressions.
13324 (value_inside_range): Use fold_binary with LE_EXPR and
13325 GE_EXPR rather than compare_values.
13327 2006-04-27 Dirk Mueller <dmueller@suse.de>
13329 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13332 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13334 * basic-block.h (safe_insert_insn_on_edge): Removed.
13335 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13337 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13338 Paolo Bonzini <bonzini@gnu.org>
13340 PR middle-end/27282
13341 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13342 (simplify_and_const_int): Same.
13344 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13346 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13348 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13351 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13352 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13353 cgraph_global_info_ready.
13355 PR middle-end/26913
13356 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13359 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13360 either decl or init is error_mark_node.
13362 PR middle-end/25989
13363 * tree-flow.h (struct omp_region): Add sched_kind.
13364 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13365 instead of extracting omp for data.
13366 (expand_omp_for): Save extracted sched_kind.
13368 2006-04-25 Roger Sayle <roger@eyesopen.com>
13370 * expmed.c (store_bit_field): Also check whether the bitsize is
13371 valid for the machine's "insv" instruction before moving the
13372 target into a pseudo for use with the insv.
13373 * config/i386/predicates.md (const8_operand): New predicate.
13374 * config/i386/i386.md (extv, extzv, insv): Use the new
13375 const8_operand predicate where appropriate.
13377 2006-04-25 DJ Delorie <dj@redhat.com>
13379 * doc/install.texi (Specific): Clarify that this is not a list of
13380 supported hosts or targets.
13382 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13384 PR rtl-optimization/26725
13385 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13386 block's BB_DIRTY flag.
13388 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13390 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13393 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13394 to print an integer.
13396 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13398 * varasm.c (align_variable): New function.
13399 (get_block_for_decl): Apply align_variable to DECL before
13400 calculating section information.
13401 (assemble_variable): Split out alignment computation.
13403 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13405 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13408 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13410 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13411 MODE_PARTIAL_INT mode.
13412 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13413 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13415 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13416 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13418 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13420 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13422 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13423 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13424 MACFLAG_IH): Likewise.
13425 (movstricthi_1): Renamed from "*movstricthi".
13426 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13427 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13428 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13429 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13430 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13431 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13432 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13433 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13434 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13435 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13436 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13437 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13438 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13439 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13440 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13442 * doc/rtl.texi (ss_ashift): Improve wording.
13444 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13446 * dwarf2out.c (verify_marks_clear): New.
13447 (prune_unused_types): Call verify_marks_clear initially, not
13450 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13452 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13453 * doc/rtl.texi: Document them.
13454 * simplify-rtx.c (simplify_unary_operation,
13455 simplify_binary_operation_1): Don't abort when we see them.
13457 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13460 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13461 * configure.ac: Completely disregard languages that are not
13463 * configure: Regenerated.
13465 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13466 Richard Guenther <rguenther@suse.de>
13468 PR tree-optimization/27236
13469 * tree-inline.c (copy_body_r): Make sure to copy
13470 TREE_THIS_VOLATILE flag.
13472 2006-04-24 Richard Guenther <rguenther@suse.de>
13474 PR middle-end/26869
13475 * tree-complex.c (update_parameter_components): Don't handle
13476 unused parameters which have no default def.
13478 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13479 Richard Guenther <rguenther@suse.de>
13481 PR tree-optimization/27218
13482 * tree-inline.c (expand_call_inline): Strip useless type
13483 conversions for the return slot address.
13485 2006-04-24 Richard Guenther <rguenther@suse.de>
13487 * cfgloop.h (struct loops): Remove unused field array. Reorder
13489 (LOOP_PREFETCH): Remove.
13491 2006-04-24 Richard Guenther <rguenther@suse.de>
13493 PR tree-optimization/22525
13494 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13495 variable, adjust types of generated expressions.
13497 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13499 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13500 (tree-vect-patterns.o): Likewise.
13501 (jump.o): Likewise.
13502 (cselib.o): Likewise.
13503 (loop-doloop.o): Likewise.
13504 (regclass.o): Likewise.
13505 (reload1.o): Likewise.
13506 (explow.o): Replace target.h with $(TARGET_H).
13507 (ipa-prop.o): Likewise.
13508 (ipa-cp.o): Likewise.
13509 (ipa-inline.o): Likewise.
13510 (reorg.o): Likewise.
13511 (reg-stack.o): Likewise.
13513 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13515 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13517 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13519 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13521 * configure.ac: Completely disregard languages that are not
13523 * configure: Regenerated.
13526 * c-common.h (c_build_bitfield_integer_type): Declare.
13527 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13528 * c-common.c (c_build_bitfield_integer_type): ... here.
13530 2006-04-23 Roger Sayle <roger@eyesopen.com>
13533 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13534 a SImode SUBREG of a floating point register after no_new_pseudos.
13536 2006-04-23 Roger Sayle <roger@eyesopen.com>
13538 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13539 identify potentially eliminable registers to additionally catch
13540 VIRTUAL_INCOMING_ARGS_REGNUM.
13541 (addsi3): Update the conditions on when to use addsi_small_int.
13543 2006-04-23 Roger Sayle <roger@eyesopen.com>
13546 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13547 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13548 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13550 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13552 * fold-const.c (range_predecessor): Use operand_equal_p
13553 as the predicate for equality.
13554 (range_successor): Likewise.
13556 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13559 * config/soft-fp/op-common.h: Fix a typo.
13561 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13563 PR libmudflap/26864
13564 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13565 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13567 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13569 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13571 * doc/tm.texi: Fix a typo.
13573 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13575 * dwarf2out.c (struct die_struct): Document that die_sib makes
13576 a circular linked list.
13577 (FOR_EACH_CHILD): New.
13578 (reverse_die_lists): Delete.
13579 (reverse_all_dies): Delete.
13580 (add_dwarf_attr): Correct documentation.
13581 (remove_child_with_prev): New.
13582 (remove_child_TAG): Update for change to die_struct, use
13583 remove_child_with_prev.
13584 (add_child_die): Update for change to die_struct.
13585 (splice_child_die): Use remove_child_with_prev and add_child_die.
13586 (print_die): Use FOR_EACH_CHILD.
13587 (die_checksum): Likewise.
13588 (assign_symbol_names): Likewise.
13589 (output_location_lists): Likewise.
13590 (build_abbrev_table): Likewise.
13591 (calc_die_sizes): Likewise.
13592 (mark_dies): Likewise.
13593 (unmark_dies): Likewise.
13594 (unmark_all_dies): Likewise.
13595 (output_die): Likewise.
13596 (prune_unused_types_mark): Likewise.
13597 (prune_unused_types_walk): Likewise.
13598 (same_die_p): Update for change to die_struct.
13599 (break_out_includes): Likewise.
13600 (prune_unused_types_prune): Likewise.
13601 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13602 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13603 it's already clear.
13604 (dwarf2out_finish): Don't call reverse_all_dies.
13606 2006-04-21 Eric Christopher <echristo@apple.com>
13608 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13609 in comments and function names.
13611 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13614 * c-typeck.c (digest_init): Robustify.
13616 * c-typeck.c (pop_init_level): Simplify.
13618 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13620 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13622 2006-04-21 Paul Brook <paul@codesourcery.com>
13624 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13625 hardware floating point.
13627 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13629 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13632 2006-04-21 Nick Clifton <nickc@redhat.com>
13634 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13637 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13640 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13641 C++ lang type in traceback table for Objective-C++.
13643 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13645 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13647 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13649 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13652 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13653 were errors. Remove check for erroneous objects.
13655 2006-04-20 Jeff Law <law@redhat.com>
13657 PR tree-optimization/26854
13658 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13659 checking for zero or one use.
13660 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13661 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13662 * tree-ssa-reassoc.c (negate_value): Similarly.
13663 (reassociate_bb): Similarly.
13665 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13668 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13669 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13670 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13672 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13674 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13675 fp regs if the last fp arg doesn't fit in regs.
13677 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13680 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13681 that the last insn has the REG_INC note.
13683 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13684 Nathan Sidwell <nathan@codesourcery.com>
13687 * stor-layout.c (update_alignment_for_field): Do not align
13689 (place_union_field): Place union field at the start of the union.
13690 (place_field): Move ERROR_MARK check later, and use the current
13691 allocation position to maintain monotonicity.
13693 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13695 * dominance.c: Include timevar.h.
13696 (calculate_dominance_info): Use TV_DOMINANCE.
13697 * timevar.def (TV_DOMINANCE): New timevar.
13698 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13700 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13702 PR rtl-optimization/14261
13703 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13704 move would be an INSV insn.
13705 (noce_process_if_block): Don't optimize if the destination is a
13706 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13708 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13710 * config/s390/s390.md: Add comments with the instructions emitted
13711 by an insn pattern if macros are used.
13713 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13715 PR rtl-optimization/26026
13716 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13717 is a known power of two shifted left a variable amount.
13719 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13721 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13722 to hash table twice when the debug_str section has SECTION_MERGE.
13724 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13726 * config/soft-fp: New directory. From glibc.
13727 * config/soft-fp/t-softfp: New.
13728 * config/soft-fp/README: New.
13729 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13730 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13731 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13732 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13733 * config.gcc: Use rs6000/t-fprules-fpbit or
13734 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13736 * config/rs6000/sfp-machine.h: New. Based on glibc.
13737 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13739 * config/rs6000/t-fprules: Remove fp-bit rules.
13740 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13741 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13742 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13743 (softfp_wrap_start, softfp_wrap_end): New.
13745 2006-04-18 DJ Delorie <dj@redhat.com>
13747 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13749 2006-04-18 Devang Patel <dpatel@apple.com>
13751 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13753 2006-04-18 Nick Clifton <nickc@redhat.com>
13755 * config/sh/t-symbian: Add rule to build sh-c.o
13756 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13757 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13758 (sh_symbian_encode_section_info): Likewise.
13760 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13762 * builtins.c (expand_builtin_strcmp): Cover label definition of
13763 do_libcall with HAVE_cmpstrnsi.
13765 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13767 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13769 * function.h (temp_slot_p): New.
13770 (function): Change the type of x_used_temp_slots to
13771 VEC(temp_slot_p,gc) *.
13773 2006-04-18 Nick Clifton <nickc@redhat.com>
13775 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13776 flag_strength_reduce.
13778 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13780 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13784 Partial revert of revision 112637
13785 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13786 Dale Johannesen <dalej@apple.com>
13789 * regclass.c (struct reg_pref): Update documentation.
13790 (regclass): Set prefclass to NO_REGS if memory is the best option.
13791 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13793 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13795 PR tree-optimization/26821
13796 * tree-ssa-math-opts.c (get_constant_one): New.
13797 (insert_reciprocals): Use it.
13799 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13801 * dwarf2out.c (free_AT): Delete.
13802 (remove_AT): Update string ref counts.
13803 (remove_child_TAG): Don't call free_die.
13804 (free_die): Delete.
13805 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13806 or DW_TAG_GNU_EINCL.
13807 (prune_unused_types_walk_attribs): Reset string refcounts.
13808 (prune_unused_types_update_strings): New.
13809 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13810 call free_die. Do call prune_unused_types_update_strings.
13811 (prune_unused_types): Empty debug_str_hash.
13813 2006-04-17 Roger Sayle <roger@eyesopen.com>
13815 * expr.c (expand_assignment): Optimize away no-op moves where the
13816 source and destination are equal and have no side-effects.
13818 2006-04-17 Richard Guenther <rguenther@suse.de>
13821 * reload.c (push_reload): Guard calls to get_secondary_mem
13822 for memory subregs.
13824 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13826 * alias.c (reg_base_value, old_reg_base_value): Change the
13827 type to VEC(rtx,gc) *.
13828 (REG_BASE_VALUE, find_base_value, record_set,
13829 init_alias_analysis): Use VEC instead of VARRAY.
13831 * alias.c (alias_sets): Change the type to
13832 VEC(alias_set_entry,gc) *.
13833 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13834 VEC instead of VARRAY.
13835 (last_alias_set): Remove.
13837 * cgraph.h (cgraph_edge_p): New.
13838 Update the prototype of cgraph_function_versioning.
13839 * cgraphunit.c (cgraph_copy_node_for_versioning,
13840 cgraph_function_versioning): Use VEC instead of VARRAY.
13841 * ipa-cp.c (ipcp_insert_stage): Likewise.
13843 2006-04-16 Roger Sayle <roger@eyesopen.com>
13846 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13847 "A op B" or "A op C", we may need to convert A to the type of B and C.
13849 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13851 * target.h (struct gcc_target): Add mode_rep_extended.
13852 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13853 (init_num_sign_bit_copies_in_rep): Initialize it using
13855 (truncate_to_mode): Use it.
13856 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13857 * targhooks.h (default_mode_rep_extended): Declare it.
13858 * targhooks.c (default_mode_rep_extended): Define it.
13859 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13860 default_mode_rep_extended.
13861 (TARGET_INITIALIZER): Include it.
13862 * doc/tm.texi (Misc): Document it.
13863 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13864 (mips_truncated_to_mode): New function.
13866 2006-04-16 Roger Sayle <roger@eyesopen.com>
13868 PR middle-end/25474
13869 * expr.c (compress_float_constant): Copy the narrow constant into
13870 a new pseudo before extending it to its final width.
13872 2006-04-16 Roger Sayle <roger@eyesopen.com>
13873 Andrew Pinski <pinskia@gcc.gnu.org>
13874 Dale Johannesen <dalej@apple.com>
13877 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13878 special case code to implement V8HImode and V16QImode with SSE2.
13880 2006-04-15 Roger Sayle <roger@eyesopen.com>
13882 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13883 trees are constructed with a suitable tree type.
13885 2006-04-15 Roger Sayle <roger@eyesopen.com>
13887 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13888 (integer_onep): Likewise.
13889 (integer_all_onesp): Likewise.
13890 (integer_pow2p): Likewise.
13891 (integer_nonzerop): Likewise.
13892 (real_zerop): Likewise.
13893 (real_onep): Likewise.
13894 (real_twop): Likewise.
13895 (real_minus_onep): Likewise.
13896 (int_size_in_bytes): Likewise.
13897 (host_integerp): Likewise.
13899 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13901 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13902 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13903 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13905 * tree-ssa-structalias.h (alias_info): Remove num_references.
13907 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13909 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13910 (output_bvb patterns): Likewise.
13911 * pa.c (output_bb): Use 'bb' insn for long branch case.
13912 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13913 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13914 1. Correct length operand for alternatives 1 and 2.
13915 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13916 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13918 2006-04-14 Roger Sayle <roger@eyesopen.com>
13920 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13921 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13922 were accidentally reverted by r112959.
13924 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13926 PR middle-end/26823
13927 * except.h (eh_region_outermost): New prototype.
13928 * except.c (eh_region_outermost): New function.
13929 * tree-cfg.c (find_outermost_region_in_block): Use it.
13931 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13933 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13935 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13936 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13937 (init_reload, reload): Use VEC instead of VARRAY.
13938 * reload.h: Update the prototype for
13939 reg_equiv_memory_loc_varray.
13941 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13942 Eric Botcazou <ebotcazou@libertysurf.fr>
13944 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13945 register save area.
13947 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13949 PR middle-end/27134
13950 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13951 to expand fallback builtin function call.
13953 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13955 PR middle-end/27095
13956 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13957 and emit libcall here in case the builtin fails.
13958 (expand_builtin_strcmp): Always emit the libcall here on failure.
13960 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13962 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13963 * flow.c (reg_n_info): Change the type to
13964 VEC(reg_info_p,heap) *.
13965 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13967 * regs.h (reg_info_p): New.
13968 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13969 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13970 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13973 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13975 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13977 * params.h (MAX_SCHED_READY_INSNS): New macro.
13978 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13979 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13980 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13981 the ready list for 1 cycle during the first scheduling pass.
13982 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13984 2006-04-13 Richard Henderson <rth@redhat.com>
13987 * gimple-low.c (lower_omp_directive): Remove dead code.
13988 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13989 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13990 * omp-low.c (struct omp_region): Move to tree-flow.h.
13991 (root_omp_region): Export.
13992 (omp_regions, lookup_omp_region): Remove.
13993 (determine_parallel_type): Update for struct omp_region changes.
13994 (dump_omp_region): Dump regions with block numbers.
13995 (new_omp_region): Take type and block instead of stmt; malloc
13997 (free_omp_region_1, free_omp_regions): New.
13998 (expand_parallel_call): Take entry_stmt as argument; update for
13999 changes to omp_region.
14000 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14001 (remove_exit_barriers): New.
14002 (expand_omp_parallel): Update for struct omp_region changes.
14003 (expand_omp_synch): Likewise.
14004 (expand_omp): Likewise.
14005 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14006 (expand_omp_for_static_chunk): Likewise.
14007 (expand_omp_for): Likewise.
14008 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14009 (expand_omp_sections): Similarly, with GOMP_sections_end.
14010 (expand_omp_single): New.
14011 (build_omp_regions_1): Update for OMP_CONTINUE.
14012 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14013 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14014 OMP_SECTIONS_SECTIONS.
14015 (lower_omp_single_simple): Don't emit barrier here.
14016 (lower_omp_single_copy): Likewise.
14017 (lower_omp_single): Fix bindings, and lower to straightline now.
14018 (lower_omp_master, lower_omp_ordered): Likewise.
14019 (lower_omp_critical): Likewise.
14020 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
14021 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14022 omp edges, free it afterward.
14023 (make_omp_sections_edges): Remove.
14024 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14025 (move_stmt_r): Handle OMP_CONTINUE.
14026 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14027 statement pointers to basic blocks. Add type member.
14028 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14029 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14030 * tree-inline.c (estimate_num_insns_1): Likewise.
14031 * tree-pretty-print.c (dump_generic_node): Likewise.
14032 * tree-ssa-operands.c (get_expr_operands): Likewise.
14033 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14034 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14035 (OMP_CONTINUE): New.
14036 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14037 (OMP_SECTIONS_SECTIONS): Remove.
14038 (OMP_SECTION_LAST): New.
14039 (OMP_RETURN_NOWAIT): New.
14041 2006-04-13 Roger Sayle <roger@eyesopen.com>
14043 * fold-const.c (native_encode_vector, native_interpret_real):
14044 Correct obvious mistakes in the previous check-in.
14046 2006-04-13 Roger Sayle <roger@eyesopen.com>
14048 * fold-const.c (native_encode_expr): New function to encode
14049 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14050 or VECTOR_CST into a specified buffer.
14051 (native_encode_int): New function.
14052 (native_encode_real): New function.
14053 (native_encode_complex): New function.
14054 (native_encode_vector): New function.
14055 (native_interpret_expr): Inverse of native_encode_expr to convert
14056 a target representation into an INTEGER_CST, REAL_CST etc...
14057 (native_interpret_int): New function.
14058 (native_interpret_real): New function.
14059 (native_interpret_complex): New function.
14060 (native_interpret_vector): New function.
14061 (fold_view_convert_expr): New function to constant fold/evaluate
14062 a VIEW_CONVERT_EXPR of a suitable constant expression.
14063 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14064 Change call of build1 to fold_build1 when constructing a
14067 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14068 Ulrich Weigand <uweigand@de.ibm.com>
14071 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14074 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14077 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14078 optimize to lo_sum for DFmode if !TARGET_FPRS.
14080 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14082 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14083 delete_alias_info, compute_flow_sensitive_aliasing,
14084 group_aliases): Use VEC instead of VARRAY.
14085 * tree-ssa-structalias.c (update_alias_info): Likewise.
14086 * tree-ssa-structalias.h (alias_info): Change the type of
14087 processed_ptrs to VEC(tree,heap) *.
14089 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14092 * config/sh/lib1funcs.h: New file, broken out of:
14093 * config/sh/lib1funcs.asm.
14094 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14096 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14097 * config/sh/lib1funcs-Os-4-200.asm: New file.
14098 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14099 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14100 (EXTRA_MULTILIB_PARTS): Include it.
14101 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14102 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14103 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14104 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14107 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14109 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14110 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14111 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14113 * tree-ssa-live.h: Include vecprim.h.
14114 (tree_partition_associator_d): Change the type of
14115 first_partition to VEC(int,heap) *.
14116 (tpa_first_partition): Use VEC instead of VARRAY.
14118 * Makefile.in (GTFILES): Move functions.h after tree.h.
14119 * function.c (reset_block_changes, record_block_change,
14120 check_block_change, free_block_changes): Use VEC instead of
14122 * function.h (function): Change the type of
14123 ib_boundaries_block to VEC(tree,gc) *.
14124 * tree-inline.c (copy_cfg_body): Initialize
14125 ib_boundaries_block to NULL instead of (varray_type) 0.
14127 2006-04-12 Roger Sayle <roger@eyesopen.com>
14129 * expr.c (emit_group_store): Correct operand order in call to
14130 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14131 a SUBREG_BYTE of zero.
14133 2006-04-12 Richard Guenther <rguenther@suse.de>
14135 * profile.c (compute_branch_probabilities): Remove code
14136 encapsulated in !ir_type (), which are remanents of the
14137 removed RTL profiling code.
14138 * rtl-profile.c: Remove.
14140 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14142 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14143 magic NULL_RTX comment.
14144 (function_arg): Store entire fp arg to mem if any part should go
14146 (rs6000_arg_partial_bytes): Adjust for above change.
14148 2006-04-11 Roger Sayle <roger@eyesopen.com>
14150 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14151 if it hasn't been initialized by dwarf2out_init.
14153 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14155 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14156 symbolic constants in branch patterns.
14158 2006-04-11 Roger Sayle <roger@eyesopen.com>
14160 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14162 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14164 PR rtl-optimization/27073
14165 * gcse.c (try_replace_reg): Revert last change. Continue to search
14166 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14169 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14171 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14172 aggregate types other than record and union types.
14173 (function_arg): Likewise.
14174 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14176 (function_value): In 64-bit mode, return objects that require it
14179 2006-04-11 Roger Sayle <roger@eyesopen.com>
14181 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14183 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14185 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14187 2006-04-03 Jeff Law <law@redhat.com>
14190 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14191 alias information too.
14193 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14195 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14197 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14200 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14201 (premark_used_types_helper): New.
14202 (premark_used_types): New.
14203 (gen_subprogram_die): Call premark_used_types.
14204 (prune_unused_types_walk): Do not prune perennial dies.
14205 * function.c (used_types_insert): New.
14206 * function.h (struct function): Add used_types_hash field.
14207 (used_types_insert): Add prototype.
14208 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14209 * c-parser.c (c_parser_cast_expression): Save casted types in used
14212 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14215 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14216 rs6000_explicit_options.float_gprs.
14218 2006-04-10 Roger Sayle <roger@eyesopen.com>
14220 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14221 from ix86_expand_vector_init_low_nonzero. Take an additional
14222 one_var argument indicating which element is non-zero. Support
14223 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14224 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14225 with one_var instead of ix86_expand_vector_init_low_nonzero.
14227 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14229 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14230 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14231 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14232 build/genextract.o): Depend on vecprim.h.
14233 * cfglayout.c, df-problems.c, function.c, genextract.c,
14234 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14235 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14239 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14241 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14242 Declare VECs of this type.
14243 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14244 (remove_children): Delete.
14245 (add_dwarf_attr): Use VEC routines.
14246 (add_AT_flag): Update for changes to add_dwarf_attr.
14247 (add_AT_int): Likewise.
14248 (add_AT_unsigned): Likewise.
14249 (add_AT_long_long): Likewise.
14250 (add_AT_vec): Likewise.
14251 (add_AT_string): Likewise.
14252 (add_AT_die_ref): Likewise.
14253 (add_AT_fde_ref): Likewise.
14254 (add_AT_loc): Likewise.
14255 (add_AT_loc_list): Likewise.
14256 (add_AT_addr): Likewise.
14257 (add_AT_lbl_id): Likewise.
14258 (add_AT_lineptr): Likewise.
14259 (add_AT_macptr): Likewise.
14260 (add_AT_offset): Likewise.
14261 (add_AT_range_list): Likewise.
14262 (get_AT): Use VEC_iterate.
14263 (remove_AT): Use VEC_ordered_remove.
14264 (free_die): Fold remove_children into here; have it use VEC_iterate.
14265 (print_die): Use VEC_iterate on attrs.
14266 (reverse_die_lists): Don't reverse attr lists.
14267 (die_checksum): Use VEC_iterate on attrs.
14268 (same_die_p): Likewise.
14269 (output_location_lists): Likewise.
14270 (build_abbrev_table): Likewise.
14271 (size_of_die): Likewise.
14272 (unmark_all_dies): Likewise.
14273 (output_abbrev_section): Likewise.
14274 (output_die): Likewise.
14275 (prune_unused_types_walk_attribs): Likewise.
14277 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14279 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14281 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14284 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14286 2006-04-09 Roger Sayle <roger@eyesopen.com>
14288 * expr.c (store_constructor): Don't bother clearing target if
14289 we're about to assign a vector to it using vec_init_optab.
14291 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14293 * tree-ssa-alias.c (lhs_may_store_to): New function.
14294 (recalculate_used_alone): Handle LHS of calls.
14296 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14300 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14301 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14302 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14303 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14304 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14305 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14306 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14307 stubs. Add ".align 8" directives before all ".dword" directives.
14308 (GTHREAD_USE_WEAK): Revise comment.
14309 (TARGET_ATTRIBUTE_WEAK): Define.
14310 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14311 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14312 * stublib.c: New file.
14317 * pa.md (cbranch patterns): Revise arguments used in calls to
14318 output_cbranch, output_bb and output_bvd. Add long branch length
14320 (fbranch patterns): Handle long branches.
14321 (jump): Revise length check. Revise arguments for output_lbranch call.
14322 Add long branch length attributes.
14323 (decrement_and_branch_until_zero): Add long branch length attributes.
14324 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14325 Likewise. Revise arguments for output_parallel_addb and
14326 output_parallel_movb calls.
14327 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14328 output_parallel_movb and output_parallel_addb): Update prototypes.
14329 * pa.c (output_cbranch): Revise arguments. Correct handling of
14330 nullification in long branches.
14331 (output_lbranch): Add new argument to control extraction of delay
14333 (output_bb): Handle long branches.
14334 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14335 output_parallel_addb): Likewise.
14337 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14339 PR rtl-optimization/27073
14340 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14343 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14345 * tree.h (tree_memory_tag): Add old_used_alone.
14346 (SMT_OLD_USED_ALONE): New macro.
14347 * tree-ssa-alias.c (recalculate_used_alone): Stop
14348 marking things for renaming unnecessarily.
14350 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14352 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14353 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14354 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14355 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14356 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14357 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14358 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14359 spelling convensions.
14360 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14361 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14362 typos. Follow spelling conventions.
14364 2006-04-07 DJ Delorie <dj@redhat.com>
14366 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14367 passed on the stack.
14368 (m32c_init_cumulative_args): When a function returns a structure,
14369 always pass the pointer to that return area on the stack.
14370 (m32c_function_arg_advance): Don't increment the parameter number
14371 if we're processing the returned structure pointer.
14372 (pushm_info): Reverse order of registers.
14374 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14376 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14377 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14378 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14379 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14380 build_int_cst_type.
14381 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14382 chrec_fold_multiply): Same.
14383 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14384 force_expr_to_var_cost): Same.
14385 * tree-mudflap.c (mf_xform_derefs_1): Same.
14386 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14388 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14390 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14391 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14394 2006-04-07 Jan Hubicka <jh@suse.cz>
14396 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14398 2006-04-07 Richard Guenther <rguenther@suse.de>
14400 PR tree-optimization/26135
14401 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14402 loads for store copy-prop.
14403 (copy_prop_visit_stmt): Likewise.
14405 2006-04-05 Robert Millan <robertmh@gnu.org>
14407 * config/i386/linux.h: Add a comment to mark macros that are
14408 being overriden in config/k*bsd-gnu.h.
14409 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14411 * config/knetbsd-gnu.h: Ditto.
14413 2006-04-06 Jan Hubicka <jh@suse.cz>
14417 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14420 2006-04-06 Mike Stump <mrs@apple.com>
14422 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14423 for HAVE_nonlocal_goto to be consistent.
14424 (expand_builtin_nonlocal_goto): Likewise.
14425 (expand_builtin_strcmp): Use #ifdef instead of #if
14426 for HAVE_cmpstrnsi to be consistent.
14428 2006-04-05 DJ Delorie <dj@redhat.com>
14430 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14433 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14435 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14436 got-relative addressing for anything but SImode.
14438 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14439 even if the calling function doesn't modify them.
14441 2006-04-05 Richard Guenther <rguenther@suse.de>
14443 PR tree-optimization/26919
14444 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14445 to cgraph_estimate_size_after_inlining.
14447 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14449 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14451 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14453 PR tree-optimization/26996
14454 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14455 VECTOR_TYPE variables.
14457 2006-04-05 Richard Guenther <rguenther@suse.de>
14459 PR tree-optimization/26763
14460 * fold-const.c (fold_comparison): Move folding of
14461 PTR + CST CMP PTR + CST ...
14462 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14464 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14466 * doc/install.texi (Prerequisites): Refine some wording on
14467 bootstrapping and ksh.
14468 Move the version numbers of DejaGnu here from the testing section
14469 and fix casing of names.
14470 Fix markup and clarify wording for autogen requirements.
14471 Refer to GCJ instead of just java.
14472 Refer to SVN instead of CVS.
14473 Describe diffutils as useful instead of necessary.
14474 (Downloading the source): Refer to SVN instead of CVS.
14475 Adjust a link to our web site accordingly.
14476 (Configuration): Fix casing of Bison.
14477 (Building): Refer to SVN instead of CVS.
14478 Fix a sentence on the use of Bison and remove duplicate (and
14479 incorrect) version number of Bison requirement.
14480 Remove one redundant list of packages needed for building.
14481 (Specific): Avoid reference to CVS.
14483 2006-04-04 Eric Christopher <echristo@apple.com>
14485 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14486 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14487 (rs6000_handle_struct_attribute): New.
14488 (rs6000_ms_bitfield_layout_p): Ditto.
14490 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14492 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14493 NULL for dso parameter to atexit_common.
14495 2006-04-04 Eric Christopher <echristo@apple.com>
14497 * config/i386/i386.c (machopic_output_stub): Output \t
14498 between instructions and operands.
14500 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14502 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14503 satisfies_constraint_[IL] to explicit tests on value.
14505 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14507 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14508 set_nb_iterations_in_loop): Use build_int_cst instead of
14509 build_int_cst_type.
14510 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14511 build_int_cst instead of convert.
14513 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14515 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14516 new value 2 for incoming.
14517 * function.c (expand_function_start): Call struct_value_rtx
14518 with incoming as 2.
14519 * config/sparc/sparc.md: Comment updated_return.
14520 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14521 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14522 struct return if sparc_std_struct_return and incoming is 2.
14523 (print_operand): Do not adjust return if
14524 sparc_std_struct_return.
14526 2006-04-04 Roger Sayle <roger@eyesopen.com>
14528 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14529 convert in the middle-end.
14530 * expr.c (store_expr, store_constructor, get_inner_reference,
14531 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14533 * tree.c (build_range_type): Likewise.
14535 2006-04-04 Tom Tromey <tromey@redhat.com>
14537 * doc/install.texi (Prerequisites): Mention jar.
14539 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14541 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14544 2006-04-04 Matthias Klose <doko@debian.org>
14546 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14550 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14553 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14555 * doc/extend.texi (Function Attributes): Rewrite visibility
14556 attribute documentation.
14557 * doc/invoke.texi (C++ Dialect Options): Rewrite
14558 -fvisibility-inlines-hidden documentation to describe something
14559 entirely different, although in practise compatible.
14560 (Code Gen Options): Warn about system headers in -fvisibility=
14563 * doc/extend.texi (Other Builtins): Document that
14564 __builtin_nan is a compile-time constant only when its argument
14567 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14569 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14570 trying to remove TRUNCATE check if all bits outside the new mode
14571 are identical to the sign bit.
14573 2006-04-03 Jeff Law <law@redhat.com>
14575 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14576 and operand scanning in some common cases.
14578 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14579 Dale Johannesen <dalej@apple.com>
14582 * regclass.c (struct reg_pref): Update documentation.
14583 (regclass): Set prefclass to NO_REGS if memory is the best option.
14584 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14585 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14586 into account. For non-registers, equate an empty preferred
14587 reload class to a `!' in the constraint; move the if clause to
14588 do so after those that reject the insn.
14589 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14591 (find_dummy_reload): Likewise.
14592 * doc/tm.texi (Register Classes): Document what it means
14593 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14594 * config/i386/i386.c (ix86_preferred_reload_class): Force
14595 using SSE registers (and return NO_REGS for floating-point
14596 constants) if math is done with SSE.
14597 (ix86_preferred_output_reload_class): New.
14598 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14599 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14600 * config/i386/i386.md: Remove # register preferences.
14602 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14605 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14606 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14607 the type of nb_iter.
14608 (instantiate_parameters_1): Convert the operands before calling
14609 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14610 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14612 2006-04-02 Roger Sayle <roger@eyesopen.com>
14614 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14615 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14616 instead of convert.
14617 * dojump.c (do_jump): Likewise.
14618 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14619 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14620 gimplify_boolean_expr): Likewise.
14621 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14622 * varasm.c (array_size_for_constructor): Likewise.
14623 * tree-object-size.c (compute_object_offset): Likewise.
14625 2006-04-02 Roger Sayle <roger@eyesopen.com>
14627 PR middle-end/26977
14628 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14629 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14631 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14633 PR tree-optimization/26939
14634 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14636 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14638 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14639 at_stmt. Convert the type of operands before calling
14640 build_polynomial_chrec.
14641 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14642 add_to_evolution_1.
14643 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14644 (instantiate_parameters_1): Convert the type of operands before calling
14645 build_polynomial_chrec.
14646 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14647 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14648 reset_evolution_in_loop): Insert asserts to check the types of the
14650 (chrec_type): Moved...
14651 (eq_evolutions_p): Use operand_equal_p.
14652 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14653 the types of the operands.
14654 (chrec_type): ...here.
14655 * tree-data-ref.c (create_data_ref): Convert the operands before
14656 calling chrec_replace_initial_condition.
14657 (same_access_functions, analyze_subscript_affine_affine,
14658 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14659 (compute_subscript_distance, analyze_ziv_subscript,
14660 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14661 analyze_miv_subscript): Convert the operands before calling
14662 chrec_fold_minus or chrec_fold_plus.
14664 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14666 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14667 the dependence_relations vector.
14668 (compute_data_dependences_for_loop): Adjust call to
14669 compute_all_dependences.
14671 2006-04-01 Roger Sayle <roger@eyesopen.com>
14672 Richard Henderson <rth@redhat.com>
14674 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14675 gimple_boolify on the condition before calling gimplify_expr.
14677 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14679 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14680 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14681 the frame size. Update to use the new macros.
14682 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14683 * config/xtensa/ieee754-df.S: Likewise.
14685 2006-03-31 Richard Henderson <rth@redhat.com>
14687 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14688 (make_edges): ... here. Control fallthru creation with a local
14689 variable. Do not play with fake edges.
14690 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14691 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14694 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14696 * dwarf2.h (DW64_CIE_ID): Define.
14697 * dwarf2out.c (DWARF_CIE_ID): Define.
14698 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14699 length header. Use DWARF_CIE_ID.
14700 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14701 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14703 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14705 * config/sh/linux-atomic.asm: New file.
14706 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14708 2006-03-31 DJ Delorie <dj@redhat.com>
14710 * config/m32c/cond.md: Set condition flags properly throughout.
14711 * config/m32c/minmax.md: Likewise.
14712 * config/m32c/prologue.md: Likewise.
14713 * config/m32c/bitops.md: Likewise.
14714 * config/m32c/muldiv.md: Likewise.
14715 * config/m32c/mov.md: Likewise.
14716 * config/m32c/addsub.md: Likewise.
14717 * config/m32c/m32c.md: Likewise.
14718 * config/m32c/jump.md: Likewise.
14719 * config/m32c/shift.md: Likewise.
14721 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14722 conditionally output the pattern for this.
14723 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14724 (m32c_compare_redundant): New.
14725 (m32c_output_compare): New.
14726 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14728 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14729 dest, not src. Allow other 4-byte modes.
14731 2006-03-30 Denis Chertykov <denisc@overta.ru>
14733 * doc/md.texi: Refer to avr/constraints.md instead of
14736 2006-03-30 Roger Sayle <roger@eyesopen.com>
14738 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14739 signed vs. unsigned comparison failures on some hosts.
14741 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14744 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14745 change to FLOAT_REGS.
14747 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14748 (rs6000_override_options): Use it.
14749 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14750 only for -mabi=spe/no-spe and -mabi=altivec.
14752 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14754 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14757 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14759 * Makefile.in: Rename docdir to gcc_docdir.
14761 2006-03-30 Roger Sayle <roger@eyesopen.com>
14764 * expr.c (emit_group_store): Optimize group stores into a pseudo
14765 register by using a paradoxical subreg to initialize the destination
14766 if the first or last member of the group specifies a "low part".
14768 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14771 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14772 * target.h (struct gcc_target.speculate_insn): Change type of the
14773 second parameter to 'int'.
14774 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14775 the second operand of the DEPS_LIST.
14776 (copy_DEPS_LIST_list): Update reference to the second operand of the
14778 * rtl.h (alloc_DEPS_LIST): Update signature.
14779 * sched-int.h (ds_t): Change typedef to 'int'.
14780 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14782 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14784 * haifa-sched.c (try_ready): Change condition to restore
14785 non-speculative pattern of the instruction.
14786 (process_insn_depend_be_in_spec): Code to keep probability of the
14787 speculative dependence non-decreasing.
14789 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14791 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14792 (single_move_for_movmem): ... this. Also change all uses.
14793 (bfin_expand_strmov): Renamed to...
14794 (bfin_expand_movmem): ... this. Also change all uses.
14795 * config/bfin/bfin.md (movstrsi): Renamed to...
14796 (movstrsi): ...this.
14798 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14800 PR tree-optimization/26830
14802 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14803 (copy_prop_visit_stmt): Remove write-only variable ann.
14804 (init_copy_prop): Check variable loop depth here. Do not simulate
14805 memory-tag and virtual operand PHIs except for store copy prop.
14807 2006-03-30 Richard Guenther <rguenther@suse.de>
14809 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14810 variants with double arguments.
14812 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14814 * genpreds.c (write_tm_constrs_h): Delete variable p.
14815 * genconditions.c (write_header): Add tm-constrs.h to included
14817 * genpeep.c (main): Add toplev.h to included headers.
14818 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14819 (build/genpeep.o): Add toplev.h dependency.
14820 * config/rs6000/constraints.md: Add "W" constraint.
14822 2006-03-29 Roger Sayle <roger@eyesopen.com>
14824 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14825 sizes by correctly testing whether the size fits a host integer.
14826 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14827 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14828 SImode range for the default sizetype and bitsizetype.
14830 2006-03-29 Roger Sayle <roger@eyesopen.com>
14832 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14833 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14834 quickly if the argument is already of the correct type.
14835 Call fold_build1 instead of build1. Tidy up blank lines.
14837 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14839 * genemit.c (main): Add tm-constrs.h to included headers.
14840 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14841 * genpeep.c (main): Add tm-constrs.h to included headers.
14842 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14843 (write_tm_constrs_h): this and write complete file.
14844 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14845 (write_insn_preds_c): Add tm-constrs.h to included headers.
14846 (gen_constrs): New variable.
14847 (parse_option): Parse "-c".
14848 (main): Invoke write_tm_constrs_h.
14849 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14850 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14851 (object_out_file): Add tm-constrs.h dependency.
14852 (insn-emit.o): Same.
14853 (insn-output.o): Same.
14854 (insn-peep.o): Same.
14855 (insn-preds.o): Same.
14856 (insn-recog.o): Same.
14857 (tm-constsr.h): New target.
14858 (s-constrs-h): New target.
14860 * config/rs6000/constraints.md: New file.
14861 * config/rs6000/rs6000.c: Include tm-constrs.h.
14862 (num_insn_constant_wide): Convert to satisfies_constraint.
14863 (rs6000_rtx_costs): Convert to satisfies_constraint.
14864 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14865 (CONST_OK_FOR_LETTER_P): Delete.
14866 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14867 (EXTRA_CONSTRAINT): Delete.
14868 (EXTRA_MEMORY_CONSTRAINT): Delete.
14869 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14870 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14871 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14872 satisfies_constraint.
14874 * config/i386/i386.c: Include tm-constrs.h.
14876 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14878 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14879 * tree-data-ref.c (find_data_references_in_loop,
14880 compute_data_dependences_for_loop): Use pointers to VEC.
14881 (analyze_all_data_dependences): Adjust calls.
14882 * tree-data-ref.h (find_data_references_in_loop,
14883 compute_data_dependences_for_loop): Adjust declarations.
14884 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14885 compute_data_dependences_for_loop.
14887 2006-03-29 Paul Brook <paul@codesourcery.com>
14889 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14890 (movdf_vfp): Ditto.
14892 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14894 PR tree-optimization/26859
14895 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14897 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14898 for the step after fold_convert.
14900 2006-03-29 Paul Brook <paul@codesourcery.com>
14902 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14903 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14905 2006-03-29 Paul Brook <paul@codesourcery.com>
14907 PR middle-end/23623
14908 * targhooks.c (default_narrow_bitfield): New fuction.
14909 * targhooks.h (default_narrow_bitfield): add prototype.
14910 * target.h (gcc_target): Add narrow_volatile_bitfield.
14911 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14912 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14913 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14914 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14916 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14918 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14920 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14921 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14922 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14923 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14924 (s390_function_arg_float): Allow SDmode and DDmode values to be
14925 passed in floating point registers.
14926 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14927 check with SCALAR_FLOAT_MODE_P.
14928 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14930 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14932 PR tree-optimization/25985
14933 * tree-ssa-loop-niter.c (number_of_iterations_le,
14934 number_of_iterations_ne): Make comments more precise.
14935 (number_of_iterations_cond): Add only_exit argument. Use the
14936 fact that signed variables do not overflow only when only_exit
14938 (loop_only_exit_p): New.
14939 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14940 number_of_iterations_cond.
14942 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14944 PR tree-optimization/26643
14945 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14948 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14950 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14951 (divsi3_i4_int): Likewise.
14953 2006-03-28 Roger Sayle <roger@eyesopen.com>
14955 * expr.c (emit_group_store): Only create a new pseudo reg if the
14956 quantity it needs to hold isn't already a suitable pseudo.
14958 2006-03-28 Jeff Law <law@redhat.com>
14960 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14961 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14963 2006-03-28 Roger Sayle <roger@eyesopen.com>
14965 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14966 the equivalent ~X & Y, and the symmetry related transformations.
14967 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14968 ~X & Y, and symmetry related transforms.
14970 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14972 Revert my 2006-03-27 patches.
14974 2006-03-28 Roger Sayle <roger@eyesopen.com>
14976 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14977 ~(T1)X, when T1 and T2 are integer types of the same precision
14978 and (T2)X isn't an extension.
14980 2006-03-28 Jeff Law <law@redhat.com>
14982 PR tree-optimization/26796
14983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14984 need EH edge cleanups rather than purging them immediately.
14985 (eliminate_degenerate_phis): Handle queued EH cleanups.
14987 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14989 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14992 2006-03-27 Roger Sayle <roger@eyesopen.com>
14994 PR middle-end/22524
14995 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14996 cast BIT_NOT_EXPR operand to the correct type.
14998 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
15000 * tree-loop-linear.c: Don't include varray.h.
15001 (gather_interchange_stats, try_interchange_loops,
15002 linear_transform_loops): Use VEC instead of VARRAY.
15003 * lambda-mat.c: Don't include varray.h.
15004 * tree-chrec.c: Same.
15005 * lambda-trans.c: Same.
15006 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15007 VEC instead of VARRAY.
15008 * tree-vectorizer.h: Idem.
15009 * tree-data-ref.c (dump_data_references,
15010 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15011 initialize_data_dependence_relation, finalize_ddr_dependent,
15012 compute_all_dependences, find_data_references_in_loop,
15013 compute_data_dependences_for_loop, analyze_all_data_dependences,
15014 free_dependence_relation, free_dependence_relations,
15015 free_data_refs): Idem.
15016 * tree-data-ref.h (data_reference_p, subscript_p): New.
15017 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15018 VEC instead of VARRAY.
15019 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15020 (find_data_references_in_loop, compute_data_dependences_for_loop,
15021 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15022 dump_data_dependence_relations, free_dependence_relations,
15023 free_data_refs): Adjust declaration.
15024 (lambda_transform_legal_p): Move declaration here...
15025 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15026 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15027 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15028 vect_analyze_data_refs): Use VEC instead of VARRAY.
15029 * lambda.h (lambda_transform_legal_p): ...from here.
15030 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15031 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15032 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15033 tree-chrec.o): Don't depend on VARRAY_H.
15035 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15037 * rtl.def (Copyright): Update date.
15038 (DEPS_LIST): Change type of the second operand to 'int'.
15039 * target.h (Copyright): Update date.
15040 (struct gcc_target.speculate_insn): Change type of the second parameter
15042 * lists.c (Copyright): Update date.
15043 (alloc_DEPS_LIST): Change signature. Update reference to the second
15044 operand of the DEPS_LIST.
15045 (copy_DEPS_LIST_list): Update reference to the second operand of the
15047 * rtl.h (Copyright): Update date.
15048 (alloc_DEPS_LIST): Update signature.
15049 * sched-int.h (Copyright): Update date.
15050 (ds_t): Change typedef to 'int'.
15051 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15053 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15055 * haifa-sched.c (Copyright): Update date.
15056 (try_ready): Change condition to restore non-speculative pattern
15057 of the instruction.
15058 (process_insn_depend_be_in_spec): Code to keep probability of the
15059 speculative dependence non-decreasing.
15061 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15063 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15064 shut up the compiler.
15066 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15068 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15069 to use lib prefix for target.
15070 ($(T)libic_invalidate_array_4-200.a): Likewise.
15071 ($(T)libic_invalidate_array_4a.a): Likewise.
15073 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15074 J"orn Rennecke <joern.rennecke@st.com>
15076 * superh.opt: New file.
15077 * sh.c (boardtype, osruntime): Remove.
15078 * superh.h (SUBTARGET_OPTIONS): Remove.
15079 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15081 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15082 arguments with ^ and/or [].
15084 * config.gcc (sh-*-*): Add quoting to account for quirk of
15086 Replace == with = in enable_incomplete_targets test.
15088 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15089 with MASK_LITTLE_ENDIAN.
15091 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15092 * config/sh/sh.opt: Added to some comments.
15093 * config/sh/superh.h: Removed some chaff.
15095 * config/sh/sh.opt: Add m4-[1234]00* options.
15096 * config/sh/sh.c (sh_handle_option): Likewise.
15097 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15098 (ic_invalidate_array_4-100.o): New rule.
15099 ($(T)libic_invalidate_array_4-100.a): Likewise.
15100 (ic_invalidate_array_4-200.o): Likewise.
15101 ($(T)libic_invalidate_array_4-200.a): Likewise.
15102 (ic_invalidate_array_4a.o): Likewise.
15103 ($(T)libic_invalidate_array_4a.a): Likewise.
15104 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15105 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15107 * config/sh/crt1.asm: Merged in profiling code.
15108 * config/sh/superh.h (STARTFILE_SPEC): Override.
15109 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15110 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15111 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15113 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15114 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15115 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15117 * sh.opt (mpretend-cmove): New option.
15118 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15119 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15120 (movsicc): Add TARGET_PRETEND_CMOVE code.
15122 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15124 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15125 s390_class_max_nregs): New function prototypes.
15126 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15127 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15128 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15129 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15131 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15133 * dwarf2out.c (add_location_or_const_value_attribute): Call
15134 tree_add_const_value_attribute if nothing else works.
15135 (reference_to_unused): New.
15136 (rtl_for_decl_init): Use reference_to_unused to decide whether
15137 to output an initializer.
15139 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15142 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15143 peephole removing spe frob_di_df_2.
15145 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15147 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15148 (subscript_dependence_tester_1): Declared.
15149 (print_dir_vectors, print_dist_vectors): New.
15150 (debug_data_dependence_relation): New.
15151 (dump_data_dependence_relation): Print more details.
15152 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15153 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15154 (save_dist_v, save_dir_v, add_outer_distances,
15155 build_classic_dist_vector_1): New.
15156 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15157 Don't test for lambda_vector_lexico_pos.
15158 (same_access_functions, add_multivariate_self_dist,
15159 add_other_self_distances, dir_from_dist): New.
15160 (build_classic_dir_vector): Replace implementation almost identical to
15161 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15163 (subscript_dependence_tester_1): New.
15164 (subscript_dependence_tester): Handle the lexicographically negative
15165 distance vectors by recomputing the dependence relation.
15166 (compute_affine_dependence): Remove parameter loop_nest_depth.
15167 (compute_self_dependence): Don't call compute_subscript_distance.
15168 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15169 Add a parameter for the loop_nest.
15170 (find_loop_nest_1, find_loop_nest): New.
15171 (compute_data_dependences_for_loop): Compute the loop nest, and give
15172 up if the nest is not well formed.
15173 * tree-data-ref.h (loop_p): New.
15174 (struct data_dependence_relation): Replace size_vect field with
15175 loop_nest, a vec of loops.
15176 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15177 (DDR_LOOP_NEST): New.
15178 (print_dir_vectors, print_dist_vectors,
15179 debug_data_dependence_relation): Declared.
15180 (index_in_loop_nest): New.
15181 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15182 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15185 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15187 * simplify-rtx.c (simplify_relational_operation): Call
15188 simplify_relational_operation_1 even if mode is VOIDmode.
15190 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15192 PR tree-optimization/26804
15193 * tree.h (DECL_CALL_CLOBBERED): New macro.
15194 (tree_decl_common): Add call_clobbered_flag.
15195 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15196 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15197 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15198 (mark_non_addressable): Ditto.
15199 * tree-ssa.c (verify_call_clobbered): New function.
15200 (verify_alias_info): Use it.
15201 * tree-pass.h (pass_reset_cc_flags): New prototype.
15202 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15203 (reset_cc_flags): New function.
15204 * passes.c (init_optimization_passes): Call reset_cc_flags after
15205 initializing referenced_vars.
15207 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15208 Roger Sayle <roger@eyesopen.com>
15210 PR middle-end/26717
15211 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15212 to 1.0 for non-real operands. Implement A / A optimization for
15215 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15217 * config/i386/i386.c (size_cost): Correct the comment for
15218 cost of storing fp registers.
15219 (i386_cost): Likewise.
15220 (i486_cost): Likewise.
15221 (pentium_cost): Likewise.
15222 (pentiumpro_cost): Likewise.
15223 (k6_cost): Likewise.
15224 (athlon_cost): Likewise.
15225 (k8_cost): Likewise.
15226 (pentium4_cost): Likewise.
15227 (nocona_cost): Likewise.
15228 (generic64_cost): Likewise.
15229 (generic32_cost): Likewise.
15231 2006-03-24 Denis Chertykov <denisc@overta.ru>
15233 * config/avr/avr-protos.h (extra_constraint): Delete.
15234 (extra_constraint_Q): New declaration.
15235 * config/avr/constraints.md: New file.
15236 * config/avr/avr.md: Include it.
15237 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15238 (TMP_REGNO, ZERO_REGNO): Likewise.
15239 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15240 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15241 (extra_constraint): Delete.
15242 (extra_constraint_Q): Test for memory constraint 'Q'.
15243 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15244 (REG_CLASS_FROM_LETTER): Delete.
15245 (CONST_OK_FOR_LETTER_P): Delete.
15246 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15247 (EXTRA_CONSTRAINT): Delete.
15248 (TMP_REGNO): Delete.
15249 (ZERO_REGNO): Delete.
15251 2006-03-24 Jeff Law <law@redhat.com>
15253 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15254 directly. Call mark_new_vars_to_rename slightly earlier.
15256 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15258 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15259 (is_cxx): Likewise.
15260 (gen_compile_unit_die): Use new language types for Objective-C and
15262 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15263 DW_LANG_C_plus_plus.
15266 * config/t-darwin (crt3.o): Work around bug 26840.
15267 * config/darwin-crt3.c: Rewrite.
15268 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15270 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15272 * doc/invoke.texi: Document -femit-class-debug-always
15273 * common.opt: Add -femit-class-debug-always.
15275 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15277 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15278 index and base register.
15279 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15280 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15281 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15282 REGNO_OK_FOR_INDEX_P.
15283 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15285 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15286 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15287 REG_OK_FOR_BASE_P): Definitions removed.
15289 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15291 PR middle-end/26611
15292 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15293 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15294 set yet or weren't marked as local yet.
15296 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15298 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15301 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15303 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15304 (rs6000_legitimate_small_data_p): Delete.
15305 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15306 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15307 and make static. Add forward declaration. Update uses.
15308 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15309 of offsettable_memref_p.
15310 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15311 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15313 2006-03-24 Jeff Law <law@redhat.com>
15315 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15316 around bug in immediate-use iterator.
15318 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15321 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15322 or __LITTLE_ENDIAN__.
15324 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15326 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15327 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15328 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15329 * config/sh/sh.opt (mdiv=): Amend description.
15330 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15331 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15332 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15333 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15334 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15335 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15336 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15337 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15338 TARGET_DIVIDE_CALL_FP.
15340 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15342 * haifa-sched.c (choose_ready): Fix type of the local variable.
15343 Move local variables. Add comment.
15344 (check_reg_live): Change signature. Make callable from debugger.
15345 * sched-int.h (check_reg_live): Update signature.
15346 * sched-ebb.c (check_reg_live): Update parameters.
15347 * sched-rgn.c (check_reg_live): Ditto.
15348 (region_head_or_leaf_p): Check pointer before dereferencing.
15349 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15350 before reload on optimization levels below 1.
15352 2006-03-23 Richard Henderson <rth@redhat.com>
15354 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15358 * config/alpha/predicates.md (local_symbolic_operand): Reject
15361 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15364 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15365 expressions which have overflowed constants.
15367 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15369 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15371 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15373 * cfgloopmanip.c (create_loop_notes): Removed.
15374 * final.c (final_scan_insn): Do not handle loop notes.
15375 * jump.c (squeeze_notes): Ditto.
15376 * cfglayout.c (skip_insns_after_block,
15377 duplicate_insn_chain): Ditto.
15378 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15380 * cfgloop.h (create_loop_notes): Declaration removed.
15382 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15384 * varasm.c (output_constant_pool): Restore fnname and fndecl
15386 (assemble_start_function): Adjust call accordingly.
15387 (assemble_end_function): Likewise.
15389 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15392 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15395 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15397 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15400 * system.h (ICE_EXIT_CODE): New macro.
15401 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15402 (diagnostic_action_after_output): Likewise.
15403 * gcc.c (fatal_ice): New function.
15404 (execute): Use it instead of fatal.
15405 (fancy_abort): Likewise.
15406 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15408 2006-03-22 Jeff Law <law@redhat.com>
15410 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15411 iv_analyze_result returning false.
15413 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15415 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15417 2006-03-22 Richard Henderson <rth@redhat.com>
15419 PR middle-end/26084
15420 * except.c (duplicate_eh_regions_0): New.
15421 (duplicate_eh_region_1): Duplicate the children of the node as
15422 well as the node itself. Link them up properly.
15423 (duplicate_eh_region_2): Merge into ...
15424 (duplicate_eh_regions): ... here. Take copy_region argument, and
15425 copy only a sub-tree if asked. Simplify copying and fixup.
15426 (eh_region_outer_p): New.
15427 * except.h (duplicate_eh_regions): Update decl.
15428 (eh_region_outer_p): Declare.
15429 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15430 (lower_omp_master): Likewise.
15431 (lower_omp_ordered): Likewise.
15432 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15433 (move_stmt_r): Use it to remap labels. Handle recursion vs
15434 remap_decls_p properly.
15435 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15436 (find_outermost_region_in_block): New.
15437 (new_label_mapper): New.
15438 (move_sese_region_to_fn): Copy eh information to the new function
15440 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15442 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15445 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15447 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15448 into shared libraries.
15450 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15452 * doc/md.texi: Refer to i386/constraints.md instead of
15453 i386/predicates.md.
15454 * config/i386/constraints.md: New file, extracted from...
15455 * config/i386/predicates.md: ...here.
15456 * config/i386/i386.md: Include constraints.md.
15458 2006-03-21 Jason Merrill <jason@redhat.com>
15460 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15462 PR middle-end/20297
15463 * expr.c (init_block_move_fn): Force default visibility.
15464 (init_block_clear_fn): Likewise.
15465 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15466 * targhooks.c (default_external_stack_protect_fail): Likewise.
15468 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15470 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15471 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15472 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15473 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15474 (loadgp): Use mips_current_loadgp_style.
15475 (loadgp_noshared): New pattern.
15476 (sibcall_internal): Use MIPS_CALL.
15477 (sibcall_value_internal): Likewise.
15478 (sibcall_value_multiple_internal): Likewise.
15479 (call_internal): Likewise.
15480 (call_value_internal): Likewise.
15481 (call_value_multiple_internal): Likewise.
15482 (call_split): Use MIPS_CALL and add an 'S' constraint.
15483 (call_value_split): Likewise.
15484 (call_value_multiple_split): Likewise.
15485 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15486 (-mshared): New option.
15487 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15488 (mips_current_loadgp_style): Declare.
15489 * config/mips/mips.c (mips_classify_symbol): Avoid using
15490 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15491 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15492 TARGET_ABSOLUTE_ABICALLS.
15493 (override_options): Adjust comments. Improve the warning that is
15494 issued when -mabicalls and -G are used together.
15495 (mips_file_start): Remove comment.
15496 (mips_current_loadgp_style): New function.
15497 (mips_gnu_local_gp): New variable.
15498 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15500 (mips_output_function_prologue): Use mips_current_laodgp_style.
15501 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15502 the cprestore instruction.
15503 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15504 live for TARGET_ABSOLUTE_ABICALLS.
15505 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15506 (ASM_SPEC): Pass down -mshared and -mno-shared.
15507 (MIPS_CALL): New macro.
15508 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15510 * doc/invoke.texi (-mabicalls): Update documentation.
15511 (-mshared): Document.
15513 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15515 * config/ia64/unwind-hpux.c: New file.
15516 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15518 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15521 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15523 2006-03-21 Jeff Law <law@redhat.com>
15525 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15526 type conversions of a VR_VARYING source to a wider type.
15528 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15530 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15531 tm_file on Solaris 10 and later.
15532 (sparc64-*-solaris2*): Likewise.
15533 (sparc-*-solaris2*): Likewise.
15534 * config/sol26.h: Rename to config/sol2-6.h.
15535 * config/sol2-10.h: New file.
15537 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15540 * tree-ssa-pre.c (create_component_ref_by_pieces):
15543 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15546 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15547 return it immediately.
15549 2006-03-21 Michael Matz <matz@suse.de>
15551 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15553 (remove_arc, add_arc): Update num_out_arcs member.
15554 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15556 (cache_presence): New function.
15557 (compare_states_for_equiv): New function.
15558 (state_is_differed): Don't take number of outargs, adjust callers.
15559 Use new invariant for speeding up.
15560 (init_equiv_class): Create initial classes based on sorted
15562 (partition_equiv_class): Don't track out_arcs_num.
15563 (evaluate_equiv_classes): Call cache_presence on all states and
15566 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15568 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15569 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15570 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15571 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15573 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15574 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15575 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15576 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15577 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15579 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15580 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15581 (REGNO_REG_CLASS): ARGP is in PREGS.
15582 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15584 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15585 to deal with those addresses.
15586 * addresses.h: New file.
15587 * caller-save.c: Include "addresses.h".
15588 (init_caller_save): Use new base_reg_class function.
15589 * rtl-factoring.c: Include "addresses.h".
15590 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15591 * recog.c: Include "addresses.h".
15592 (preprocess_constraints): Use new base_reg_class function.
15593 * regrename.c: Include "addresses.h".
15594 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15595 functions. Keep track of a new var INDEX_CODE to compute valid
15597 (replace_oldest_value_addr): Likewise.
15598 (replace_oldest_value_mem): Use base_reg_class.
15599 * reload.c: Include "addresses.h".
15600 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15601 (find_reloads): Use new base_reg_class function.
15602 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15603 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15604 all callers and prototype changed.
15605 * reload1.c: Include "addresses.h".
15606 (maybe_fix_stack_asms): Use base_reg_class.
15607 * regclass.c: Include "addresses.h".
15608 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15609 (init_reg_autoinc): Use new base_reg_class function.
15610 (record_reg_classes): Likewise.
15611 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15612 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15613 Use new args to compute necessary class.
15615 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15616 regrename.o, rtl-factoring.o): Update dependencies.
15617 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15618 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15619 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15620 REG_OK_FOR_INDEX_P): Delete documentation.
15622 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15624 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15625 from V7 to V9 for Solaris 7 and above.
15627 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15629 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15630 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15631 argument pointers may not alias any other storage.
15632 * common.opt: Define option -fargument-noalias-anything.
15633 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15634 alias semantics is specified by flag_argument_noalias > 2.
15636 2006-03-20 Jeff Law <law@redhat.com>
15638 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15639 (pass_phi_only_cprop): Declare.
15640 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15641 with phi_only_cprop
15642 * tree-ssa-dom.c (degenerate_phi_result): New function.
15643 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15644 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15645 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15646 (eliminate_degenerate_phis): Likewise.
15647 (pass_phi_only_cprop): New pass descriptor.
15648 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15649 support code. Callers updated.
15650 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15651 (store_copy_prop): Likewise.
15652 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15654 2006-03-20 Jason Merrill <jason@redhat.com>
15657 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15658 (push_visibility, pop_visibility): Likewise.
15659 * c-pragma.h: Declare them.
15661 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15663 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15665 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15666 parameter and use get_ebb_head_tail.
15667 (sh_md_init_global): Adjust uses of find_regmode_weight.
15669 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15671 * function.h (struct function) <x_tail_recursion_reentry>:
15672 Rename to x_stack_check_probe_note.
15673 (tail_recursion_reentry): Rename to stack_check_probe_note.
15674 * function.c: Replace tail_recursion_reentry with
15675 stack_check_probe_note everywhere.
15676 (expand_function_start): Only emit a note for
15677 stack_check_probe_note with -fstack-protect.
15678 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15680 * emit-rtl.c (remove_unnecessary_notes): Remove.
15681 (pass_remove_unnecessary_notes): Remove.
15682 * rtl.h (remove_unnecessary_notes): Remove prototype.
15683 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15684 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15685 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15687 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15690 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15691 (valid_in_set): Handle ARRAY_REF.
15692 Change "if min_variant or VH" to asserts.
15693 (create_component_ref_by_pieces): Handle ARRAY_REF.
15694 (create_expression_by_pieces): Likewise.
15695 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15697 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15699 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15700 is operand of switch, not str[0].
15702 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15704 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15705 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15707 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15709 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15710 end of insn_extra_address_constraint declaration.
15712 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15714 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15715 (no-sum-in-toc): Same.
15716 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15718 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15719 NO_FP_IN_TOC for -fPIC instead of mask.
15721 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15722 (BOOT_LDFLAGS): Delete.
15724 * config/rs6000/t-aix52: Same.
15726 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15727 (stmsi[345678]_power): New.
15729 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15731 * config/ia64/ia64.opt: Add empty line to end of file.
15733 2006-03-17 Richard Guenther <rguenther@suse.de>
15735 PR middle-end/26721
15736 * builtins.c (get_pointer_alignment): For component style references
15737 adjust alignment to the component type alignment. Make sure
15738 to adjust alignment for component access of constants.
15740 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15742 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15743 unconditional jump.
15745 2006-03-17 Paul Brook <paul@codesourcery.com>
15747 * doc/install.texi: Docuemnt --with-mode.
15748 * config.gcc: Add --with-mode for arm*-*-*.
15749 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15751 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15753 * sh.c (max_labelno_before_reorg): New variable.
15754 (sh_reorg): Initialize it.
15755 (find_barrier): Check max_labelno_before_reorg before using
15756 label_to_alignment. Take length of explicit alignment insns
15757 into account. When seeing a UNSPECV_CONST_END, return it.
15759 * sh.c (fixup_mova): Set mode of affected label to QImode.
15760 (untangle_mova): New function.
15761 (find_barrier): Use it. Check mode of label before decrementing
15763 (sh_reorg): Likewise.
15764 Set mode of all insns back to VOIDmode.
15766 * sh.c (MOVA_LABELREF): New macro.
15767 (mova_p, fixup_mova, sh_reorg): Use it.
15768 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15769 ADDR_DIFF_VEC matches mova.
15771 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15773 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15774 with ATTRIBUTE_UNUSED.
15776 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15778 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15779 pointer, instead of assuming it is possible to derive the
15780 correct args size from a call insn.
15782 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15784 * rtl.h (CONST_INT_P): Define.
15785 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15786 instead of GET_CODE(x) == CONST_INT.
15787 (vax_rtx_costs): Likewise.
15788 (vax_output_int_move): Likewise.
15789 (vax_output_int_add): Likewise.
15790 (legitimate_constant_address_p): Likewise.
15791 (index_term_p): Likewise.
15792 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15793 * config/vax/vax.md (and<mode>3): Likewise.
15794 (ashrsi3): Likewise.
15796 (movstricthi): Likewise.
15797 (movstrictqi): Likewise.
15798 (rotrsi3): Likewise.
15799 (five unnamed insns): Likewise.
15801 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15803 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15804 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15805 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15806 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15807 Pass to ASM_OUTPUT_DWARF_OFFSET.
15808 * dwarf2out.c (debug_frame_section): New.
15809 (output_call_frame_info): Use debug_frame_section. Pass it to
15810 dw2_asm_output_offset.
15811 (output_die): Pass appropriate section to dw2_asm_output_offset.
15812 (output_compilation_unit_header): Likewise.
15813 (output_pubnames): Likewise.
15814 (output_aranges): Likewise.
15815 (enum dw_val_class): Break dw_val_class_lbl_offset into
15816 dw_val_class_lineptr and dw_val_class_macptr.
15817 (add_AT_lbl_offset): Delete.
15818 (add_AT_lineptr): New.
15819 (add_AT_macptr): New.
15820 (AT_lbl): Expect a lineptr or macptr.
15821 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15822 (attr_checksum): Likewise.
15823 (same_dw_val_p): Likewise.
15824 (size_of_die): Likewise.
15825 (value_format): Likewise.
15826 (output_die): Likewise.
15827 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15829 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15830 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15831 * config/darwin-protos.h (darwin_file_start): New.
15832 (darwin_asm_output_dwarf_offset): New.
15833 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15834 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15836 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15837 if not EH section; simplify.
15838 (darwin_file_start): New.
15839 (darwin_asm_output_dwarf_offset): New.
15840 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15842 (DEBUG_INFO_SECTION): Likewise.
15843 (DEBUG_ABBREV_SECTION): Likewise.
15844 (DEBUG_ARANGES_SECTION): Likewise.
15845 (DEBUG_MACINFO_SECTION): Likewise.
15846 (DEBUG_LINE_SECTION): Likewise.
15847 (DEBUG_LOC_SECTION): Likewise.
15848 (DEBUG_PUBNAMES_SECTION): Likewise.
15849 (DEBUG_STR_SECTION): Likewise.
15850 (DEBUG_RANGES_SECTION): Likewise.
15851 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15852 (ASM_OUTPUT_DWARF_OFFSET): New.
15854 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15856 * config.gcc (tm_defines): Always add to previous value rather
15859 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15861 * config/mips/predicates.md (splittable_const_int_operand): New,
15862 split from move_operand.
15863 (splittable_symbolic_operand): New.
15864 (move_operand): Add commentary. Use splittable_const_int_operand.
15865 Inline mips_atomic_symbolic_constant_p.
15866 * config/mips/mips.md: Add combine splitters for handling moves
15867 of splittable_const_int_operands and splittable_symbolic_operands.
15868 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15869 (mips_split_symbol): Declare.
15870 (mips_move_integer): Declare.
15871 * config/mips/mips.c (mips_split_p): Make global.
15872 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15873 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15874 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15875 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15876 (mips_offset_within_object_p): Handle block symbols.
15877 (mips_atomic_symbolic_constant_p): Delete.
15878 (mips_cannot_force_const_mem): Return false for constants that
15879 mips_legitimize_move can handle.
15880 (mips_use_blocks_for_constant_p): New function.
15881 (mips_split_symbol): Make global.
15882 (mips_move_integer): Likewise. Add a temporary register argument.
15883 (mips_legitimize_const_move): Use splittable_const_int_operand and
15884 splittable_symbolic_operand.
15885 (mips_use_anchors_for_symbol_p): New function.
15886 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15887 (mips_split_p): Declare.
15889 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15891 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15892 (mips*-*-linux*): Likewise.
15894 2006-03-16 Roger Sayle <roger@eyesopen.com>
15895 Daniel Speyer <dspeyer@wam.umd.edu>
15897 PR middle-end/18259
15898 * tree-dump.c (dump_real): New function.
15899 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15900 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15901 (tree-dump.o): Add $(REAL_H) to the dependencies.
15903 2006-03-16 Roger Sayle <roger@eyesopen.com>
15905 PR middle-end/21781
15906 * real.c (real_from_string): If the mantissa is zero, don't bother
15907 parsing the exponent as the result should always be zero.
15909 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15911 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15913 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15915 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15916 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15917 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15918 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15919 ia64_sched_finish_global): New static functions to implement
15920 hooks from gcc_target.sched.
15921 (spec_check_no, max_uid, pending_data_specs): New static variables.
15922 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15923 ia64_spec_check_src_p): New static functions.
15924 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15925 (TARGET_SCHED_ADJUST_COST): Removed.
15926 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15927 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15928 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15929 TARGET_SCHED_GEN_CHECK,
15930 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15931 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15932 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15933 Fixed to handle speculation checks.
15934 (rtx_needs_barrier): Fixed to handle speculative loads and
15936 (ia64_variable_issue): Added code to count speculative loads and their
15938 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15940 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15942 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15944 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15945 (ia64_reorg): Reset stops_p to NULL after it is freed.
15946 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15947 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15948 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15950 (data_speculative, control_speculative, check_load): New attributes.
15951 (mov<mode>_advanced, mov<mode>_speculative,
15952 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15953 zero_extend<mode>di2_speculative,
15954 zero_extend<mode>di2_speculative_advanced): New patterns for
15955 data and control speculative loads.
15956 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15958 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15959 New pattern for data and control speculation checks.
15960 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15961 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15962 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15963 Auxiliary definitions for the patterns.
15964 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15965 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15967 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15969 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15970 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15971 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15972 New resource constraints.
15973 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15975 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15976 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15977 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15978 msched-in-control-spec, msched-ldc, msched-control-ldc,
15979 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15980 msched-prefer-non-control-spec-insns,
15981 msched-count-spec-in-critical-path): New flags to tune speculative
15983 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15984 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15985 msched-in-control-spec, msched-ldc, msched-control-ldc,
15986 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15987 msched-prefer-non-control-spec-insns,
15988 msched-count-spec-in-critical-path): Document new flags.
15990 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15992 * target.h (struct spec_info_def): New opaque declaration.
15993 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15994 speculate_insn, needs_block_p, gen_check,
15995 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15996 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15997 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15998 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15999 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16000 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16002 (TARGET_SCHED): Use new macros.
16003 * rtl.h (copy_DEPS_LIST_list): New prototype.
16004 * sched-int.h (struct sched_info): Change signature of new_ready field,
16005 adjust all initializations. New fields: add_remove_insn,
16006 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16007 region_head_or_leaf_p.
16008 (struct spec_info_def): New structure declaration.
16009 (spec_info_t): New typedef.
16010 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16011 recovery_block, orig_pat.
16012 (glat_start, glat_end): New variables declaraions.
16013 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16015 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16016 DETACH_LIFE_INFO, USE_GLAT.
16017 (enum SPEC_SCHED_FLAGS): New enumeration.
16018 (NOTE_NOTE_BB_P): New macro.
16019 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16020 attach_life_info, debug_spec_status, check_reg_live): New functions.
16021 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16022 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16024 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16025 * ddg.c (get_block_head_tail): Adjust all uses.
16026 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16027 (sms_sched_info): Initialize new fields.
16028 (contributes_to_priority): Removed.
16029 * haifa-sched.c (params.h): New include.
16030 (get_block_head_tail): Adjust all uses.
16031 (ISSUE_POINTS): New macro.
16032 (glat_start, glat_end): New global variables.
16033 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16034 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16035 old_last_basic_block, before_recovery, current_sched_info_var,
16036 rgn_n_insns, luid): New static variables.
16037 (insn_cost1): New function. Move logic from insn_cost to here.
16038 (find_insn_reg_weight1): New function. Move logic from
16039 find_insn_reg_weight to here.
16040 (reemit_notes, move_insn, max_issue): Change signature.
16041 (move_insn1): Removed.
16042 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16043 extend_bb): New static functions to support extension of scheduler's
16045 (generate_recovery_code, process_insn_depend_be_in_spec,
16046 begin_speculative_block, add_to_speculative_block,
16047 init_before_recovery, create_recovery_block, create_check_block_twin,
16048 fix_recovery_deps): New static functions to support
16049 generation of recovery code.
16050 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16051 restore_bb_notes, move_block_after_check, move_succs): New static
16052 functions to support ebb scheduling.
16053 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16054 functions to support handling of register live information.
16055 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16056 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16057 add_jump_dependencies): New static functions.
16058 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16059 consistancy checking.
16060 (debug_spec_status): New function to call from debugger.
16061 (priority): Added code to handle speculation checks.
16062 (rank_for_schedule): Added code to distinguish speculative instructions.
16063 (schedule_insn): Added code to handle speculation checks.
16064 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16065 Fixed to handle ebbs.
16066 (move_insn): Added code to handle ebb scheduling.
16067 (max_issue): Added code to use ISSUE_POINTS of instructions.
16068 (choose_ready): Added code to choose between speculative and
16069 non-speculative instructions.
16070 (schedule_block): Added code to handle ebb scheduling and scheduling of
16071 speculative instructions.
16072 (sched_init): Initialize new variables.
16073 (sched_finish): Free new variables. Print statistics.
16074 (try_ready): Added code to handle speculative instructions.
16075 * lists.c (copy_DEPS_LIST_list): New function.
16076 * sched-deps.c (extend_dependency_caches): New function. Move logic
16077 from create_dependency_caches to here.
16078 (get_dep_weak, ds_merge): Make global.
16079 * genattr.c (main): Code to output prototype for
16080 dfa_clear_single_insn_cache.
16081 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16082 (output_dfa_clean_insn_cache_func): Code to output
16083 dfa_clear_single_insn_cache function.
16084 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16086 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16088 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16089 New static variables.
16090 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16091 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16093 (ebb_sched_info): Initialize new fields.
16094 (get_block_head_tail): Adjust all uses.
16095 (compute_jump_reg_dependencies): Fixed to use glat_start.
16096 (schedule_ebb): Code to remove unreachable last block.
16097 (schedule_ebbs): Added code to update register live information.
16098 * sched-rgn.c (region_sched_info): Initialize new fields.
16099 (get_block_head_tail): Adjust all uses.
16100 (last_was_jump): Removed. Adjust users.
16101 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16102 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16103 Implement new hooks.
16104 (check_dead_notes1): New static function.
16105 (struct region): New fields: dont_calc_deps, has_real_ebb.
16106 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16107 (BB_TO_BLOCK): Fixed to handle EBBs.
16108 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16109 (ebb_head): New static variable.
16110 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16111 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16113 (compute_dom_prob_ps): New assertion.
16114 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16115 global_live_at_start.
16116 (init_ready_list): New assertions.
16117 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16118 (new_ready): Add support for BEGIN_CONTROL speculation.
16119 (schedule_insns): Fixed code that updates register live information
16121 (schedule_region): Fixed to handle EBBs.
16122 (init_regions): Use extend_regions and check_dead_notes1.
16123 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16124 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16125 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16126 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16127 TARGET_SCHED_GEN_CHECK,
16128 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16129 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16130 * doc/invoke.texi (max-sched-insn-conflict-delay,
16131 sched-spec-prob-cutoff): Document.
16133 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16135 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16136 inter_tick, queue_index.
16137 (struct sched_info): Change signature of init_ready_list field.
16138 Adjust all initializations.
16139 (RESOLVED_DEPS): New access macro.
16140 (ready_add): Remove prototype.
16141 (try_ready): Add prototype.
16142 * sched-rgn.c (init_ready_list): Use try_ready.
16143 (schedule_region): Initialize
16144 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16145 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16146 (init_ready_list): Use try_ready.
16147 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16148 * lists.c (remove_list_elem): Remove `static'.
16149 (remove_free_INSN_LIST_elem): New function.
16150 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16151 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16152 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16154 (readyp): New variable.
16155 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16156 change_queue_index, resolve_dep): New static functions.
16157 (try_ready): New function. Adjust callers in sched-rgn.c and
16158 sched-ebb.c to use it instead of ready_add.
16159 (clock_var): Move at the begining of file.
16160 (rank_for_schedule): Fix typo.
16161 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16162 (ready_lastpos): Enforce assertion.
16163 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16164 update all callers.
16165 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16166 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16167 (queue_to_ready): Use free_INSN_LIST_list.
16168 (early_queue_to_ready): Fix typo.
16169 (schedule_block): Init readyp. Move init_ready_list call after the
16170 initialization of clock_var. Fix error in rejecting insn by
16171 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16172 that previously corrected INSN_TICKs. Add code for handling
16174 (set_priorities): Fix typo.
16175 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16176 Clarify comment and code that keeps current_sched_info->next_tail
16179 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16181 * sched-rgn.c (extend_rgns): New static function.
16182 (find_rgns): Use it.
16183 (gather_region_statistics, print_region_statistics): New static
16185 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16186 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16188 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16189 Andrey Belevantsev <abel@ispras.ru>
16191 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16192 * lists.c (unused_deps_list): New variable.
16193 (free_list): Add assertions to verify the proper distinguishing
16194 between INSN_LISTs and DEPS_LISTs.
16195 (find_list_elem, remove_list_elem, remove_list_node): New static
16197 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16198 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16199 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16200 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16202 (free_INSN_LIST_node): Likewise.
16203 * modulo-sched.c (current_sched_info): Initialize flags field.
16204 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16205 * rtl.def (DEPS_LIST): Define.
16206 * rtl.h: Declare new functions from lists.c.
16207 * sched-deps.c (spec_dependency_cache): New static variable.
16208 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16209 (add_dependence): Change return type to void. Move the logic to ...
16210 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16211 (delete_all_dependences): Add comment about forward_dependency_cache.
16212 Handle spec_dependency_cache. Handle DEPS_LISTs.
16213 (fixup_sched_groups): Clarify the change of priority of output
16214 and anti dependencies.
16215 (sched_analyze_2): Adjust add_dependence calls to create data
16216 speculative dependence.
16217 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16218 Adjust all callers. Handle DEPS_LISTS.
16219 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16220 presence of speculation.
16221 (init_dependency_caches, free_dependency_caches):
16222 Handle spec_dependency_cache.
16223 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16224 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16225 New static functions.
16226 (add_or_update_back_dep, add_or_update_back_forw_dep,
16227 add_back_forw_dep, delete_back_forw_dep): New functions.
16228 * sched-int.h (ds_t, dw_t): New typedefs.
16229 (struct sched_info): Add new field flags.
16230 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16231 Prototype new sched-deps.c functions.
16232 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16233 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16234 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16235 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16236 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16237 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16239 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16241 * sched-rgn.c (current_sched_info): Initialize flags field.
16242 (schedule_insns): Initialize current_sched_info before the sched_init
16244 * sched-ebb.c (current_sched_info): Initialize flags field.
16245 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16246 Call add_or_update_back_dep instead of add_dependence.
16247 Create control speculative dependencies.
16248 (schedule_insns): Initialize current_sched_info before the sched_init
16251 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16253 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16255 (sh_fallback_frame_state): Likewise.
16257 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16259 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16260 Do switch on default_use_cxa_atexit.
16261 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16262 * config/darwin-crt3.o: New.
16263 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16264 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16265 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16267 * config/rs6000/t-darwin: Move crt2.o building to here.
16268 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16269 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16272 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16274 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16275 from '! xxx' to '!xxx' for coding-style conformance.
16276 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16277 (EXTRA_CONSTRAINT): Likewise.
16278 * config/vax/vax.md (four unnamed insns): Likewise.
16280 2006-03-15 Paul Brook <paul@codesourcery.com>
16282 * config/arm/arm.c (minipool_pad): New.
16283 (add_minipool_forward_ref): Include pool alignment padding in address
16285 (push_minipool_fix): Set minipool_pad.
16286 (minipool_pad): Ditto.
16288 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16290 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16291 instead of GET_CODE() == MEM and REG_P() instead of
16293 (print_operand_address): Likewise.
16294 (vax_address_cost): Likewise.
16295 (vax_rtx_costs): Likewise.
16296 (vax_notice_update_cc): Likewise.
16297 (vax_output_int_add): Likewise.
16298 (INDEX_REGISTER_P): Likewise.
16299 (BASE_REGISTER_P): Likewise.
16300 (nonindexed_address_p): Likewise.
16301 (vax_mode_dependent_address_p): Likewise.
16302 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16303 (PRINT_OPERAND): Likewise.
16304 * config/vax/vax.md (ashlsi3): Likewise.
16305 (ashlsi3): Likewise.
16306 (some more unnamed insns): Likewise.
16308 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16310 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16311 iterator-style macro.
16312 (mark_control_dependent_edges_necessary): Update the use of
16313 EXECUTE_IF_CONTROL_DEPENDENT.
16315 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16317 * config/sh/predicates.md (cache_address_operand): Special.
16318 (ua_address_operand): Likewise.
16320 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16322 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16324 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16326 2006-03-15 Andreas Schwab <schwab@suse.de>
16328 * gensupport.c (identify_predicable_attribute): Don't free p_false
16329 when it is still in use.
16331 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16333 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16334 the default setting here.
16336 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16338 * tree-pass.h (pass_cfg): Remove.
16339 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16340 * passes.c (pass_cfg): Don't run it.
16342 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16344 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16345 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16347 (stack_regs_mentioned): Update the uses of
16348 stack_regs_mentioned_data. Don't access the array beyond its
16350 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16351 Don't include gt-reg-stack.h.
16353 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16354 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16356 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16358 PR middle-end/26684
16359 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16362 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16364 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16366 2006-03-14 Richard Guenther <rguenther@suse.de>
16368 PR tree-optimization/26672
16369 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16372 2006-03-14 Richard Guenther <rguenther@suse.de>
16374 PR tree-optimization/26667
16375 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16376 node for the callees. Always allow inlining if it will shrink
16379 2006-03-14 Richard Guenther <rguenther@suse.de>
16381 PR middle-end/26659
16382 * builtins.c (get_pointer_alignment): Prefer alignment
16383 information from decls over that from types.
16385 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16388 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16390 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16392 * config/rs6000/rs6000.opt (mdlmzb): New option.
16393 (msched-prolog, msched-epilog): Use Var not Mask.
16394 * doc/invoke.texi (-mdlmzb): Document.
16395 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16397 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16398 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16400 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16402 PR rtl-optimization/25739
16403 * bt-load.c (augment_live_range): Free tos pointer.
16405 * gensupport.c (identify_predicable_attribute): Free
16407 * gcov.c (create_file_names): Free name pointer.
16409 2006-03-13 Roger Sayle <roger@eyesopen.com>
16411 PR middle-end/26557
16412 * stmt.c (emit_case_nodes): Handle the case where the index is a
16413 CONST_INT, where the comparison mode is specified by the index type.
16415 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16417 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16420 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16422 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16423 (*branch_fp_inverted): Likewise.
16425 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16427 PR middle-end/25989
16428 * omp-low.c (expand_omp_for_generic): Mark istart0
16429 and iend0 as addressable.
16431 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16433 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16435 2006-03-13 Jeff Law <law@redhat.com>
16437 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16438 virtual operands are interesting.
16439 (vrp_visit_stmt): Corresponding changes.
16441 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16443 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16445 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16446 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16447 * config/bfin/crti.S: Use it instead of __PIC__.
16448 * config/bfin/crtn.S: Likewise.
16450 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16451 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16453 Lose 'G' modifier for call operand.
16454 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16455 recognize 'G' modifier.
16457 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16459 PR middle-end/18859
16460 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16461 * stmt.c (expand_case): Likewise.
16463 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16465 PR rtl-optimization/26254
16466 * loop-invariant.c (seq_insns_valid_p): New function.
16467 (move_invariant_reg): Only emit new code if it is valid.
16469 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16471 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16473 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16474 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16475 (commit_one_edge_insertion): Do not look for loop notes.
16477 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16479 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16480 flag_test_coverage out of loop.
16482 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16484 * final.c (shorten_branches): Remove outdated comment, and turn
16485 the if branch that guards it to continue.
16487 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16489 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16490 * cfgloop.h (struct loop): Remove unused fields.
16492 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16494 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16495 (-dL, -fdump-rtl-loop2): Update the dump file names
16497 * doc/invoke.texi: Update dump file names.
16499 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16501 * predict.c (estimate_probability): Remove.
16502 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16503 * basic-block.h (estimate_probability): Remove prototype.
16504 * passes.c (finish_optimization_passes): Dump branch prediction or
16505 profiling heuristics to the .profile tree dump.
16506 (init_optimization_passes): Unqueue pass_branch_prob.
16508 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16510 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16512 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16513 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16515 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16517 * function.h (frame_offset_overflow): Declare.
16518 * function.c (frame_offset_overflow): New function.
16519 (assign_stack_local_1): Call it to detect that the offset overflows.
16520 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16522 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16524 * config/sh/sh.c: Include alloc-pool.h.
16525 (label_ref_list_pool): New alloc pool.
16526 (label_ref_list_t): New type for lists of labels.
16527 (struct pool_node): Make wend a label_ref_list_t.
16528 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16530 (dump_table): Likewise.
16531 (sh_reorg): Set up the alloc pool before using add_constant and
16532 dump_table, and destroy it when finishing.
16534 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16536 * config/mips/mips.c: Remove redundant comment.
16538 2006-03-10 Jason Merrill <jason@redhat.com>
16541 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16542 the target was declared 'register'.
16544 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16546 * genpreds.c (write_insn_constraint_len): Change definition of
16547 insn_constraint_len to return size_t to match the declaration.
16549 2006-03-10 DJ Delorie <dj@redhat.com>
16551 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16553 (m32c_expand_insv): Fix test for an AND mask.
16555 2006-03-10 Richard Guenther <rguenther@suse.de>
16557 PR middle-end/26565
16558 * builtins.c (get_pointer_alignment): Handle component
16559 references for field alignment.
16561 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16563 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16564 when building with libgloss.
16565 (sh*elf): Implement --without-fp option.
16566 (sh64-superh-linux*): Don't multilib.
16568 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16570 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16572 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16574 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16575 Set it when one of the replacement functions returned true.
16576 Return TODO_cleanup_cfg if cfgchanged is true.
16577 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16579 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16581 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16582 instead of gen_lowpart.
16584 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16586 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16588 (mips_output_order_conditional_branch): Declare.
16589 * config/mips/mips.h (MIPS_BRANCH): New macro.
16590 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16591 for the comparison. Use gen_condjump.
16592 (mips_output_conditional_branch): Rework interface to take the
16593 asm templates for a direct branch and the inverse of a direct branch.
16594 (mips_output_order_conditional_branch): New function.
16595 (mips_builtin_branch_and_move): New function.
16596 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16597 branch condition. Use gen_single_cc as the condition for
16598 __builtin_mips_upper_* or __builtin_mips_lower_*.
16599 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16600 Use VOIDmode for the branch condition.
16601 * config/mips/predicates.md (order_operator): New predicate.
16602 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16603 (branch_fp): Rename to...
16604 (*branch_fp): ...this. Remove mode from comparison operator.
16605 Use new mips_output_conditional_branch interface.
16606 (branch_fp_inverted): Rename to...
16607 (*branch_fp_inverted): ...this and update as for *branch_fp.
16608 (*branch_zero<mode>): Rename to...
16609 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16610 Use mips_output_order_conditional_branch. Only accept ordered
16612 (*branch_zero<mode>_inverted): Rename to...
16613 (*branch_order<mode>_inverted): ...this and update as for
16614 *branch_order<mode>.
16615 (*branch_equality<mode>): Accept zero as the second operand to
16616 the equality operator. Use the new mips_output_conditional_branch
16618 (*branch_equality<mode>_inverted): Likewise.
16619 (condjump): New expander.
16620 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16622 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16623 (bc1any2t, bc1any2f): Likewise.
16624 (single_cc): New expander.
16625 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16627 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16629 * doc/md.texi: Update documentation of MIPS constraints.
16630 * config/mips/constraints.md: New file.
16631 * config/mips/mips.md: Include it.
16632 * config/mips/mips.c (mips_char_to_class): Delete.
16633 (override_options): Don't initialize mips_char_to_class.
16634 * config/mips/mips.h (mips_char_to_class): Delete.
16635 (REG_CLASS_FROM_LETTER): Delete.
16636 (CONST_OK_FOR_LETTER_P): Delete.
16637 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16638 (EXTRA_CONSTRAINT_Y): Delete.
16639 (EXTRA_CONSTRAINT_STR): Delete.
16640 (CONSTRAINT_LEN): Delete.
16641 (EXTRA_MEMORY_CONSTRAINT): Delete.
16643 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16645 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16646 original fn's eh regions.
16648 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16650 * fold-const.c (build_range_check): Make sure to use a valid type to
16651 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16654 (range_predecessor): New static function.
16655 (range_successor): Likewise.
16656 (merge_ranges): Use them to compute predecessors and successors of
16659 2006-03-09 Roger Sayle <roger@eyesopen.com>
16661 PR middle-end/26561
16662 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16663 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16665 2006-03-08 DJ Delorie <dj@redhat.com>
16667 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16668 (addpsi3): Expand to include memory operands. Remove
16669 reload-specific splits.
16670 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16671 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16672 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16673 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16674 (shift1_qi, shift1_hi, insv): New.
16675 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16676 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16677 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16679 * config/m32c/m32c-protos.h: Update as needed.
16680 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16681 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16682 Fail for unrecognized R* constraints.
16683 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16684 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16685 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16687 (m32c_init_libfuncs): New.
16688 (m32c_legitimate_address_p): Add debug wrapper.
16689 (m32c_rtx_costs): New.
16690 (m32c_address_cost): New.
16691 (conversions): Add 'B' prefix.
16692 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16693 operands, or word regnames for QI operands. 'B' prints bit
16695 (m32c_expand_setmemhi): New.
16696 (m32c_expand_movmemhi): New.
16697 (m32c_expand_movstr): New.
16698 (m32c_expand_cmpstr): New.
16699 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16700 (m32c_expand_neg_mulpsi3): Handle non-ints.
16701 (m32c_cmp_flg_0): New.
16702 (m32c_expand_movcc): New.
16703 (m32c_expand_insv): New.
16704 (m32c_scc_pattern): New.
16705 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16706 a0/a1 out of SIregs.
16707 (STORE_FLAG_VALUE): New.
16708 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16711 * config/m32c/mov.md: Make constraints more liberal.
16712 (zero_extendqihi2): Optimize r0/r1 case.
16713 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16714 * config/m32c/predicates.md (m32c_any_operand): New.
16715 (m32c_nonimmediate_operand): New.
16716 (m32c_hl_operand): New.
16717 (m32c_r3_operand): New.
16720 (memsym_operand): New.
16721 (memimmed_operand): New.
16722 (a_qi_operand): New.
16723 (m32c_eqne_operator): New.
16724 (m32c_1bit8_operand): New.
16725 (m32c_1bit16_operand): New.
16726 (m32c_1mask8_operand): New.
16727 (m32c_1mask16_operand): New.
16728 * config/m32c/blkmov.md: New file.
16729 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16731 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16733 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16734 unsigned to fix signed/unsigned comparison issue in
16735 DWARF2_FRAME_REG_OUT.
16736 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16737 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16739 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16740 of ptr into the ENABLE_CHECKING section.
16742 2006-03-08 Jeff Law <law@redhat.com>
16744 * tree-vrp.c (infer_value_range): Only count pointer uses
16745 and dereferences if -fdelete-null-pointer-checks is enabled.
16747 * tree-vrp.c (find_assert_locations): Infer value ranges for
16748 single use pointers, but do not create ASSERT_EXPRs for them.
16749 When a non-null range is inferred for a pointer, backwards
16750 propagate that range to other equivalent pointers through the
16753 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16756 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16757 language hook targets.
16758 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16759 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16760 if language hook targets were missing.
16762 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16764 * tree-ssa-opfinalize.h: Removed.
16765 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16767 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16768 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16769 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16770 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16771 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16772 finalize_ssa_v_must_def_ops): New.
16774 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16776 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16777 block as parameter.
16779 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16781 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16783 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16784 addresses with offsets; reorganize.
16786 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16787 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16788 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16790 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16793 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16795 2006-03-08 Ben Elliston <bje@au.ibm.com>
16797 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16799 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16802 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16805 2006-03-07 Richard Guenther <rguenther@suse.de>
16807 PR tree-optimization/26587
16808 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16810 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16812 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16814 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16816 * hooks.c (hook_bool_mode_rtx_true): New function.
16817 * hooks.h (hook_bool_mode_rtx_true): Declare.
16818 * toplev.c (compile_file): Call output_shared_constant_pool.
16819 * varasm.c (shared_constant_pool): New variable.
16820 (assemble_start_function, assemble_end_function): Remove arguments
16821 from call to output_constant_pool.
16822 (create_constant_pool): New function, split out from...
16823 (init_varasm_status): ...here.
16824 (force_const_mem): Choose between the shared and per-function constant
16825 pools. Set current_function_uses_const_pool when reusing old entries
16826 as well as when creating new ones.
16827 (mark_constant): Ignore data argument.
16828 (mark_constants): Remove pool argument.
16829 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16830 to decide whether the function uses a constant pool.
16831 (output_constant_pool_contents): New function, split out from...
16832 (output_constant_pool): ...here.
16833 (output_shared_constant_pool): New function.
16834 (init_varasm_once): Initialize shared_constant_pool.
16835 * output.h (output_constant_pool): Delete.
16836 (output_shared_constant_pool): Declare.
16837 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16838 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16840 2006-03-06 Nick Clifton <nickc@redhat.com>
16842 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16843 flag_strength_reduce.
16845 2006-03-06 Ben Elliston <bje@au.ibm.com>
16847 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16848 x86_64-*-linux* configurations.
16850 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16851 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16853 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16855 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16857 * basic-block.h: Remove the extern for
16858 rediscover_loops_after_threading.
16860 * cfgloop.c (cancel_loop): Make it static.
16861 * cfgloop.h: Remove the prototype for cancel_loop.
16863 * flow.c (recompute_reg_usage): Make it static.
16864 * rtl.h: Remove the prototype for recompute_reg_usage.
16866 * function.c (use_return_register): Make it static.
16867 * function.h: Remove the prototype.
16869 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16871 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16873 * recog.h: Remove the prototype for
16874 validate_change_maybe_volatile.
16876 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16878 * rtlanal.c (replace_reg): Remove.
16879 * rtl.h: Remove the prototype for replace_reg.
16881 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16883 * regclass.c (reg_scan_update): Remove.
16884 (reg_scan_mark_refs): Remove the last argument.
16885 * rtl.h: Remove the prototype for reg_scan_update.
16887 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16889 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16890 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16891 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16892 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16893 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16894 loop-invariant.c, omp-low.c, opts.c, passes.c,
16895 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16896 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16897 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16898 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16899 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16900 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16902 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16904 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16905 * dwarf2out.h: Remove the prototype for
16906 dwarf2out_add_library_unit_info.
16908 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16910 * tree.c (add_var_to_bind_expr): Remove.
16911 * tree.h: Remove the prototype for add_var_to_bind_expr.
16913 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16915 * regclass.c (n_non_fixed_regs): Remove.
16916 (init_reg_sets_1, globalize_reg): Remove all uses of
16918 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16920 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16922 * rtlanal.c (insns_safe_to_move_p): Remove.
16923 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16925 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16927 * expmed.c (expand_mult_add): Remove.
16928 * expr.h: Remove the prototype for expand_mult_add.
16930 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16932 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16933 and REG_SAVED_VAL_EXP constants.
16934 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16935 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16936 Handle regs stored by value.
16937 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16938 (execute_cfa_program): Handle DW_CFA_val_offset,
16939 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16940 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16941 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16942 (uw_install_context_1): Handle target regs stored by value.
16944 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16946 * tree-sra.c (tree_sra): Return todoflags;
16947 (generate_one_element): Set TODO_update_smt_usage if needed.
16948 (pass_sra): Remove TODO_update_smt_usage.
16949 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16951 (tree_ssa_forward_propagate_single_use_vars): Return
16952 TODO_update_smt_usage if we need to update SMT usage.
16953 (pass_forwprop): Remove TODO_update_smt_usage.
16955 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16957 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16958 (correct_use_link): Remove reference to get_stmt_operands.
16959 (update_stmt_operands): Likewise.
16960 (get_modify_expr_operands): New function factored out of
16961 parse_ssa_operands and get_expr_operands.
16962 Try to create V_MUST_DEFs for LHS by default.
16963 (get_expr_operands) <case MODIFY_EXPR>: Call
16964 get_modify_expr_operands.
16965 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16966 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16967 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16968 get_modify_expr_operands.
16970 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16972 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16973 * tree-flow.h: Remove the prototype for
16974 referenced_var_lookup_if_exists.
16976 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16978 PR rtl-optimization/26345
16980 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16982 2006-03-03 Roger Sayle <roger@eyesopen.com>
16984 PR tree-optimization/26524
16985 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16986 fold_convert to create a constant of the appropriate type.
16988 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16990 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16991 SYMBOL_REF_IN_BLOCK_P.
16992 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16993 of SYMBOL_FLAG_IN_BLOCK.
16994 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16995 instead of SYMBOL_REF_IN_BLOCK_P.
16996 * explow.c (use_anchored_address): Likewise.
16997 * rtl.c (rtx_size): Likewise.
16998 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16999 instead of SYMBOL_FLAG_IN_BLOCK.
17000 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17001 SYMBOL_REF_IN_BLOCK_P.
17002 (assemble_variable): Likewise.
17003 (output_constant_def_contents): Likewise.
17004 (output_constant_pool): Likewise.
17005 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17006 instead of SYMBOL_FLAG_IN_BLOCK.
17007 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17008 SYMBOL_REF_IN_BLOCK_P.
17009 (SYMBOL_REF_BLOCK): Likewise.
17010 (SYMBOL_REF_OFFSET): Likewise.
17011 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17012 SYMBOL_REF_IN_BLOCK_P.
17013 (SYMBOL_FLAG_IN_BLOCK): Replace with...
17014 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17015 (SYMBOL_REF_IN_BLOCK_P): Replace with...
17016 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17018 2006-03-03 Jakub Jelinek <jakub@redhat.com>
17020 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17022 2006-03-02 Roger Sayle <roger@eyesopen.com>
17024 * simplify-rtx.c (simplify_unary_operation): When simplifying
17025 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17026 that we perform the right shift in the appropriate mode, and
17027 then extend or truncate the result to requested mode.
17029 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17031 * gengtype.c (main): Handle double_int type.
17032 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17033 * double-int.c: New file.
17034 * double-int.h: New file.
17035 * system.h: Include doubleint.h.
17036 * Makefile.in (SYSTEM_H): Include double-int.h.
17037 (double-int.o): Add.
17039 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17042 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17045 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17047 * tree-vrp.c (remove_range_assertions): Do not update statements
17050 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17052 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17054 * gcse.c (rest_of_handle_gcse): Ditto.
17055 * except.c (gate_handle_eh): Ditto.
17056 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17057 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17059 2006-03-02 Eric Christopher <echristo@apple.com>
17061 * config/i386/i386.c (machopic_output_stub): Add indirection to
17064 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17068 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17070 Sun Niagara specific optimizations.
17071 * config.gcc: Recognize niagara as target.
17072 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17073 (TARGET_CPU_niagara): Define.
17074 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17075 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17076 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17077 (ASM_CPU_SPEC): Likewise.
17078 (PROCESSOR_NIAGARA): New enum entry.
17079 (REGISTER_MOVE_COST): Handle Niagara.
17080 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17081 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17082 (sparc_override_options): Recognize "niagara", set appropriate
17083 default MASK_* values for it, and align functions to 32-bytes
17084 by default just like ULTRASPARC/ULTRASPARC3.
17085 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17086 (sparc64_initialize_trampoline): Likewise.
17087 (sparc_use_sched_lookahead): Use zero for niagara.
17088 (sparc_issue_rate): Use one for niagara.
17089 * config/sparc/niagara.md: New file.
17090 * config/sparc/sparc.md: Include it.
17091 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17092 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17093 when default cpu is niagara.
17094 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17095 (ASM_CPU_SPEC): Likewise.
17096 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17097 when default cpu is niagara.
17098 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17099 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17100 just like v9/ultrasparc/ultrasparc3.
17101 * doc/invoke.texi: Add documentation for "niagara" and improve
17102 existing documentation for ultrasparc variants.
17104 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17106 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17108 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17110 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17111 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17112 and say that only one is needed.
17113 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17114 * target.h (have_switchable_bss_sections): New hook.
17115 * explow.c (use_anchored_address): Check that the symbol is in a block.
17116 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17117 (bss_noswitch_section): New variables.
17118 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17119 (get_noswitch_section): New function.
17120 (get_block_for_section): Allow SECT to be null.
17121 (unlikely_text_section_p): Use SECTION_STYLE.
17122 (bss_initializer_p): New function.
17123 (get_variable_section): Move earlier in file. Take a new argument,
17124 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17125 Return one of the new *_sections in such cases.
17126 (get_block_for_decl): New function, extracting some logic from
17127 use_blocks_for_decl_p.
17128 (change_symbol_section): Remove in favor of...
17129 (change_symbol_block): ...this new function.
17130 (use_blocks_for_decl_p): Remove checks now performed by
17131 get_block_for_decl.
17132 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17133 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17134 (emit_local, emit_bss, emit_common): ...these new functions.
17135 Return true if the alignment was honored.
17136 (emit_tls_common): New function.
17137 (asm_emit_uninitialised): Delete.
17138 (assemble_variable_noswitch): New function, split out from...
17139 (assemble_variable): ...here. Don't make decisions about common
17140 variables here. Globalize all public decls that go into non-common
17141 sections. Check whether SYMBOL_REF_BLOCK is null.
17142 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17143 (output_constant_pool): Likewise.
17144 (init_varasm_once): Initialize the new section variables.
17145 (have_global_bss_p): New function.
17146 (categorize_decl_for_section): Use bss_initializer_p.
17147 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17148 (place_block_symbol): Assert that the symbol must be in a block.
17149 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17150 (TARGET_INITIALIZER): Include it.
17151 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17152 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17153 (SECTION_MACH_DEP): Bump by two.
17154 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17155 (unnamed_section): Mention SECTION_UNNAMED in comment.
17156 (named_section): Likewise SECTION_NAMED.
17157 (noswitch_section_callback): New type.
17158 (noswitch_section): New structure.
17159 (section): Add a noswitch_section alternative.
17160 (SECTION_STYLE): New macro.
17161 (tls_comm_section, comm_section, lcomm_section): Declare.
17162 (bss_noswitch_section, have_global_bss_p): Declare.
17163 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17164 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17166 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17167 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17170 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17172 * tree-vrp.c (execute_vrp): Return value.
17173 * regrename.c (rest_of_handle_regrename): Ditto.
17174 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17175 * tree-complex.c (tree_lower_complex): Ditto.
17176 (tree_lower_complex_O0): Ditto.
17177 * tracer.c (rest_of_handle_tracer): Ditto.
17178 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17179 * postreload.c (rest_of_handle_postreload): Ditto.
17180 * tree-tailcall.c (execute_tail_recursion): Ditto.
17181 (execute_tail_calls): Ditto.
17182 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17183 * tree.h (init_function_for_compilation): Ditto.
17184 * ipa-cp.c (ipcp_driver): Ditto.
17185 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17186 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17187 * final.c (compute_alignments): Ditto.
17188 (rest_of_handle_final): Ditto.
17189 (rest_of_handle_shorten_branches): Ditto.
17190 (rest_of_clean_state): Ditto.
17191 * omp-low.c (execute_expand_omp): Ditto.
17192 (execute_lower_omp): Ditto.
17193 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17194 * ipa-reference.c (static_execute): Ditto.
17195 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17196 * reorg.c (rest_of_handle_delay_slots): Ditto.
17197 (rest_of_handle_machine_reorg): Ditto.
17198 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17199 * flow.c (recompute_reg_usage): Ditto.
17200 (rest_of_handle_remove_death_notes): Ditto.
17201 (rest_of_handle_life): Ditto.
17202 (rest_of_handle_flow2): Ditto.
17203 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17204 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17205 (do_ssa_store_ccp): Ditto.
17206 (execute_fold_all_builtins): Ditto.
17207 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17208 * modulo-sched.c (rest_of_handle_sms): Ditto.
17209 * ipa-pure-const.c (static_execute): Ditto.
17210 * cse.c (rest_of_handle_cse): Ditto.
17211 (rest_of_handle_cse2): Ditto.
17212 * web.c (rest_of_handle_web): Ditto.
17213 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17214 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17215 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17216 * tree-nrv.c (tree_nrv): Ditto.
17217 (execute_return_slot_opt): Ditto.
17218 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17219 (create_structure_vars): Ditto.
17220 * loop-init.c (rtl_loop_init): Ditto.
17221 (rtl_loop_done): Ditto.
17222 (rtl_move_loop_invariants): Ditto.
17223 (rtl_unswitch): Ditto.
17224 (rtl_unroll_and_peel_loops): Ditto.
17225 (rtl_doloop): Ditto.
17226 * gimple-low.c (lower_function_body): Ditto.
17227 (mark_used_blocks): Ditto.
17228 * tree-ssa-sink.c (execute_sink_code): Ditto.
17229 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17230 (cgraph_early_inlining): Ditto.
17231 * global.c (rest_of_handle_global_alloc): Ditto.
17232 * jump.c (cleanup_barriers): Ditto.
17233 (purge_line_number_notes): Ditto.
17234 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17235 (rest_of_handle_if_after_reload): Ditto.
17236 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17237 (tree_ssa_loop_im): Ditto.
17238 (tree_ssa_loop_unswitch): Ditto.
17239 (tree_vectorize): Ditto.
17240 (tree_linear_transform): Ditto.
17241 (tree_ssa_loop_ivcanon): Ditto.
17242 (tree_ssa_empty_loop): Ditto.
17243 (tree_ssa_loop_bounds): Ditto.
17244 (tree_complete_unroll): Ditto.
17245 (tree_ssa_loop_prefetch): Ditto.
17246 (tree_ssa_loop_ivopts): Ditto.
17247 (tree_ssa_loop_done): Ditto.
17248 * predict.c (tree_estimate_probability): Ditto.
17249 * recog.c (split_all_insns_noflow): Ditto.
17250 (rest_of_handle_peephole2): Ditto.
17251 (rest_of_handle_split_all_insns): Ditto.
17252 * tree-eh.c (lower_eh_constructs): Ditto.
17253 * regmove.c (rest_of_handle_regmove): Ditto.
17254 (rest_of_handle_stack_adjustments): Ditto.
17255 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17256 * function.c (instantiate_virtual_regs): Ditto.
17257 (init_function_for_compilation): Ditto.
17258 (rest_of_handle_check_leaf_regs): Ditto.
17259 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17260 (rest_of_handle_gcse): Ditto.
17261 * ipa-type-escape.c (type_escape_execute): Ditto.
17262 * alias.c (rest_of_handle_cfg): Ditto.
17263 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17264 * profile.c (rest_of_handle_branch_prob): Ditto.
17265 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17266 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17267 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17268 * tree-dfa.c (find_referenced_vars): Ditto.
17269 * except.c (set_nothrow_function_flags): Ditto.
17270 (convert_to_eh_region_ranges): Ditto.
17271 (rest_of_handle_eh): Ditto.
17272 * emit-rtl.c (unshare_all_rtl): Ditto.
17273 (remove_unnecessary_notes): Ditto.
17274 * except.h (set_nothrow_function_flags): Ditto.
17275 (convert_to_eh_region_ranges): Ditto.
17276 * cfgexpand.c (tree_expand_cfg): Ditto.
17277 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17278 * tree-ssa-pre.c (do_pre): Ditto.
17279 (execute_fre): Ditto.
17280 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17281 (rest_of_handle_jump2): Ditto.
17282 * tree-sra.c (tree_sra): Ditto.
17283 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17284 (execute_mudflap_function_decls): Ditto.
17285 * tree-ssa-copy.c (do_copy_prop): Ditto.
17286 (do_store_copy_prop): Ditto.
17287 * ipa-prop.h (ipcp_driver): Ditto.
17288 * cfglayout.c (insn_locators_initialize): Ditto.
17289 * tree-ssa-forwprop.c
17290 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17291 * cfglayout.h (insn_locators_initialize): Ditto.
17292 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17293 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17294 (execute_late_warn_uninitialized): Ditto.
17295 * rtl.h (cleanup_barriers): Ditto.
17296 (split_all_insns_noflow): Ditto.
17297 (purge_line_number_notes): Ditto.
17298 (unshare_all_rtl): Ditto.
17299 (remove_unnecessary_notes): Ditto.
17300 (recompute_reg_usage): Ditto.
17301 (variable_tracking_main): Ditto.
17302 * integrate.c (emit_initial_value_sets): Ditto.
17303 * integrate.h (emit_initial_value_sets): Ditto.
17304 * tree-optimize.c (execute_free_datastructures): Ditto
17305 (execute_free_cfg_annotations): Ditto.
17306 (execute_fixup_cfg): Ditto.
17307 (execute_cleanup_cfg_pre_ipa): Ditto.
17308 (execute_cleanup_cfg_post_optimizing): Ditto.
17309 (execute_init_datastructures): Ditto.
17310 * tree-object-size.c (compute_object_sizes): Ditto.
17311 * combine.c (rest_of_handle_combine): Ditto.
17312 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17313 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17314 (rest_of_handle_reorder_blocks): Ditto.
17315 (rest_of_handle_partition_blocks): Ditto.
17316 * var-tracking.c (variable_tracking_main): Ditto.
17317 * tree-profile.c (tree_profiling): Ditto.
17318 * tree-vect-generic.c (expand_vector_operations): Ditto.
17319 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17320 * sched-rgn.c (rest_of_handle_sched): Ditto.
17321 (rest_of_handle_sched2): Ditto.
17322 * basic-block.h (free_bb_insn): Ditto.
17323 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17324 * tree-cfg.c (execute_build_cfg): Ditto.
17325 (remove_useless_stmts): Ditto.
17326 (split_critical_edges): Ditto.
17327 (execute_warn_function_return): Ditto.
17328 (execute_warn_function_noreturn): Ditto.
17329 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17330 * cfgrtl.c (free_bb_for_insn): Ditto.
17331 * passes.c (execute_one_pass): Run additional
17332 todos returned by execute function.
17333 * tree-pass.h (struct tree_opt_pass): Make execute
17336 2006-03-02 Richard Guenther <rguenther@suse.de>
17338 * tree-ssa-alias.c (find_used_portions): Consider taking
17339 the address as making the variable not write-only.
17341 2006-03-02 Nick Clifton <nickc@redhat.com>
17343 * config.gcc (default_use_cxa_atexit): Extend the description of
17344 this configure variable. Set its default value to "yes" for
17345 Linux, NetBSD and ELF targets on the assumption that they will
17346 use C libraries with the __cxa_atexit function.
17348 2006-03-02 Ben Elliston <bje@au.ibm.com>
17350 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17351 parameter as unused to suppress a build warning.
17353 2006-03-02 Ben Elliston <bje@au.ibm.com>
17355 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17358 2006-03-01 Roger Sayle <roger@eyesopen.com>
17361 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17362 declared name, the weak reference name, and the typeof name.
17363 (__gthrw): Avoid expanding the declared name suffix.
17364 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17366 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17368 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17370 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17371 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17372 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17373 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17374 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17375 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17376 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17377 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17378 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17379 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17380 (DW_END_default, DW_END_big, DW_END_little): New.
17381 (DW_END_lo_user, DW_END_hi_user): Define.
17382 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17383 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17384 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17387 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17389 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17391 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17393 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17395 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17397 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17398 to 'symbol_mem_tag'.
17400 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17403 2006-03-01 Roger Sayle <roger@eyesopen.com>
17405 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17407 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17410 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17411 MACHO_DYNAMIC_NO_PIC_P.
17412 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17414 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17417 * config/darwin-protos.h (darwin_asm_output_anchor):
17419 * config/darwin-sections.def (cstring_section):
17420 Add SECTION_MERGE to the flags.
17421 (literal4_section): Likewise.
17422 (literal8_section): Likewise.
17423 (objc_selector_refs_section): Likewise.
17424 (objc_cls_refs_section): Likewise.
17425 * config/darwin.c (darwin_asm_output_anchor): New
17427 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17429 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17431 Fix PR tree-optimization/26443
17432 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17433 to todo and PROP_tmt_usage to properties_destroyed.
17434 * tree-ssa-ccp.c (pass_ccp): Ditto.
17435 (pass_store_ccp): Ditto.
17436 * tree-ssa-dom.c (pass_dominator): Ditto.
17438 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17440 * tree-ssa-operands.c: Cleanup whitespace.
17441 (get_asm_expr_operands): Move before first invocation.
17442 (get_indirect_ref_operands): Likewise.
17443 (get_tmr_operands): Likewise.
17444 (get_call_expr_operands): Likewise.
17445 (append_def): Likewise.
17446 (append_use): Likewise.
17447 (append_v_may_def): Likewise.
17448 (append_v_must_def): Likewise.
17449 (add_call_clobber_ops): Likewise.
17450 (add_call_read_ops): Likewise.
17451 (add_stmt_operand): Likewise.
17452 (add_virtual_operand): Likewise.
17453 (build_ssa_operands): Likewise.
17455 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17457 PR middle-end/26022
17459 PR middle-end/24437
17460 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17461 with a call expr to ...
17462 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17464 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17466 * tree-vrp.c (extract_range_from_assert): Remove special
17467 handling for types with super-types.
17469 2006-03-01 Ben Elliston <bje@au.ibm.com>
17471 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17472 and powerpc64-*-linux* configurations.
17473 * config/t-dfprules: New file.
17475 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17476 Compile dfp-bit.c from the source directory using -DWIDTH and
17477 $DFP_CFLAGS to control the compilation of that file, rather than
17478 generating width-specific versions in the build directory.
17479 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17480 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17482 2006-02-28 Zack Weinberg <zackw@panix.com>
17484 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17487 2006-02-28 Eric Christopher <echristo@apple.com>
17489 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17490 Set up IN_LIBGCC definition of TARGET_64BIT.
17491 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17493 2006-02-28 Roger Sayle <roger@eyesopen.com>
17495 PR middle-end/14752
17496 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17497 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17498 cases via the construction of "expr != 0".
17500 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17502 * alias.c (alias_invariant, alias_invariant_size): Remove.
17503 (record_base_value): Remove.
17504 (memrefs_conflict_p): Don't look at alias_invariant.
17505 (end_alias_analysis): Don't free it.
17506 * alias.h (record_base_value): Remove prototype.
17508 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17509 Adam Nemet <anemet@caviumnetworks.com>
17511 * rtl.h (truncated_to_mode): Declare it.
17512 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17513 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17514 (RTL_HOOKS_INITIALIZER): Include it.
17515 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17516 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17517 reg_truncated_to_mode.
17518 * rtlanal.c (truncated_to_mode): Define it.
17519 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17521 2006-02-28 Jeff Law <law@redhat.com>
17523 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17524 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17525 the range allowed by TYPE_PRECISION.
17527 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17529 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17531 PR tree-optimization/26419
17532 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17535 2006-02-27 Zack Weinberg <zackw@panix.com>
17537 * doc/md.texi: Fix typo in previous change.
17539 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17543 2006-02-27 Zack Weinberg <zackw@panix.com>
17545 * rtl.def (define_constraint, define_register_constraint)
17546 (define_memory_constraint, define_address_constraint): New MD forms.
17547 * gensupport.c (process_rtx): Put define_constraint etc on the
17549 * genpreds.c (process_define_predicate): Adjust comment. Validate
17550 the name, and call validate_exp to validate the expression.
17551 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17552 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17553 all callers changed.
17554 (validate_exp, needs_variable, struct constraint_data)
17555 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17556 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17557 (const_dbl_constraints, constraint_max_namelen)
17558 (have_register_constraints, have_memory_constraints)
17559 (have_address_constraints, have_address_constraints)
17560 (have_extra_constraints, have_const_int_constraints)
17561 (have_const_dbl_constraints, mangle, add_constraint)
17562 (process_define_constraint, process_define_register_constraint)
17563 (write_enum_constraint_num, write_lookup_constraint)
17564 (write_insn_constraint_len, write_regclass_for_constraint)
17565 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17566 (write_insn_extra_memory_constraint)
17567 (write_insn_extra_address_constraint)
17568 (write_satisfies_constraint_fns): New.
17569 (write_tm_preds_h): If we have new-style constraint definitions,
17570 prototype the functions generated from them, and define the
17571 old constraint interface (still used by generic code) in terms of
17573 (write_insn_preds_c): If we have new-style constraint definitions,
17574 generate all relevant functions from those definitions.
17575 (main): Handle define_constraint etc.
17576 * genoutput.c (struct constraint_data, indep_constraints)
17577 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17578 (mdep_constraint_len): New data structures and functions, defined
17579 #ifdef USE_MD_CONSTRAINTS.
17580 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17581 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17582 use new logic to validate operand constraints against constraint
17584 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17586 * defaults.h: If none of the old-style constraint macros are
17587 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17588 old-style macros; and poison REG_CLASS_FROM_LETTER,
17589 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17591 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17592 * doc/md.texi: Document new constraint-definition mechanism and the
17593 C interface it provides. Remove references to old mechanism
17594 elsewhere in the document.
17595 (Machine Constraints): Use pathnames relative to gcc directory,
17596 i.e. config/ARCH/FILE. Change i386 section to refer to
17597 config/i386/predicates.md; update that section to match docstrings.
17598 * doc/tm.texi: Move all documentation of the old constraint-
17599 definition macros to their own section, clearly mark as obsolete.
17601 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17602 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17604 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17605 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17606 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17607 constraint strings.
17608 (splits and peepholes): Use satisfies_constraint_*.
17609 * config/i386/i386.c (memory_address_length)
17610 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17612 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17614 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17615 scalar operation to be put back into the loop.
17617 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17620 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17621 (extract_cie_info): Handle S flag in augmentation string.
17622 (execute_cfa_program): If context->signal_frame, execute also
17623 fs->pc == context->ra instructions.
17624 (uw_frame_state_for): If context->signal_frame, don't subtract one
17625 from context->ra to find FDE.
17626 (uw_update_context_1): Set context->signal_frame to
17628 (_Unwind_GetIPInfo): New function.
17629 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17630 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17632 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17633 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17634 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17635 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17636 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17637 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17638 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17639 x86_64_fallback_frame_state): Set fs->signal_frame.
17640 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17641 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17642 (frob_update_context): Likewise. Workaround missing S flag in
17643 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17644 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17645 Remove the psw_addr + 1 hack.
17647 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17649 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17650 with aggregates here.
17651 (find_func_aliases): Remove code for &<aggregate> from here.
17653 2006-02-26 Roger Sayle <roger@eyesopen.com>
17655 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17656 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17657 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17658 as (X & C) ne/eq 0.
17660 2006-02-26 Roger Sayle <roger@eyesopen.com>
17662 PR middle-end/19983
17663 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17665 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17667 * opts.c (decode_options): Do not handle flag_strength_reduce.
17668 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17669 and OPT_fstrength_reduce.
17670 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17671 flag_prefetch_loop_arrays for being nonzero.
17672 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17674 (fprefetch-loop-arrays-rtl): Removed.
17675 (flag_prefetch_loop_arrays): Do not specify the value.
17677 * doc/passes.texi: Update documentation of loop optimizer
17679 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17680 -frerun-loop-opt): Remove.
17682 2006-02-26 Richard Guenther <rguenther@suse.de>
17684 PR tree-optimization/26421
17685 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17686 in function calls that are ADDR_EXPRs as using the whole structure.
17688 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17690 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17691 * tree-pass.h (pass_loop_optimize): Remove.
17692 * passes.c (pass_loop_optimize): Never run it.
17693 * toplev.c (backend_init): Don't call init_loop.
17694 * opts.c (flag_loop_optimize_set): Remove.
17695 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17696 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17697 the old RTL loop optimizer when profiling enabled.
17698 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17699 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17700 pre-headers for the sake of the old RTL loop optimizer.
17701 * Makefile.in: Remove all references to loop.o.
17703 * doc/invoke.texi: Remove all references to -floop-optimize
17704 and -frerun-loop-opt.
17706 2006-02-26 Zack Weinberg <zackw@panix.com>
17708 * doc/md.texi (Machine Constraints): Refer to all files with paths
17709 relative to gcc directory (i.e. config/CPU/file). Add missing
17710 @table @code ... @end table to M32C subsection.
17712 2006-02-26 Roger Sayle <roger@eyesopen.com>
17714 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17716 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17718 2006-02-26 Roger Sayle <roger@eyesopen.com>
17719 James A. Morrison <phython@gcc.gnu.org>
17721 PR middle-end/21137
17722 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17723 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17724 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17725 signedness of the shift operation.
17727 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17729 PR tree-optimization/26359
17730 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17732 2006-02-25 Roger Sayle <roger@eyesopen.com>
17734 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17735 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17736 as X == 0, and some symmetry related transformations.
17737 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17739 2006-02-25 Roger Sayle <roger@eyesopen.com>
17741 PR middle-end/23673
17742 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17743 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17744 symmetry related transformations. Fold (X^C1) == C2 as
17747 2006-02-25 Juergen Weigert <jw@suse.de>
17748 Richard Guenther <rguenther@suse.de>
17750 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17752 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17754 * combine.c (gen_lowpart_or_truncate): Call
17755 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17757 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17759 * doc/invoke.texi: Move -fopenmp description to "Options for
17761 Remove reference to -lgomp.
17763 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17765 * doc/install.texi: Require GNU tar version 1.14.
17767 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17769 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17770 * doc/invoke.texi (C++ Dialect Options): Document
17771 -fno-use-cxa-get-exception-ptr.
17772 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17773 * configure: Regenerate.
17774 * c.opt (fuse-cxa-get-exception-ptr): New.
17775 * c-opts.c (c_common_handle_option): Handle
17776 OPT_fuse_cxa_get_exception_ptr.
17777 * c-common.c (flag_use_cxa_atexit): Update documentation.
17778 (flag_use_cxa_get_exception_ptr): New.
17779 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17780 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17782 (C_COMMON_OVERRIDE_OPTIONS): New.
17784 2006-02-24 Roger Sayle <roger@eyesopen.com>
17786 PR middle-end/24952
17787 * combine.c (try_combine): Explicitly check whether GET_CODE is
17788 a SET or a CLOBBER, instead on checking that it isn't a USE.
17790 2006-02-24 Roger Sayle <roger@eyesopen.com>
17792 * fold-const.c (fold_comparison): New subroutine of fold_binary
17793 containing transformations common to both the equality and
17794 ordering relational operators, factored out of fold_binary.
17795 (fold_binary): Separate out the equality operators (EQ_EXPR
17796 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17797 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17798 transformations common to both.
17799 (fold_div_compare): Fix latent bugs in the previously unreachable
17800 LT_EXPR and GE_EXPR cases.
17802 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17804 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17805 decl libname for clog to __clog on AIX.
17807 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17809 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17812 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17813 output traceback table for thunks. Localise rs6000_stack_info call.
17815 2006-02-23 Roger Sayle <roger@eyesopen.com>
17816 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17818 * gthr-posix.h (__gthrw): Fix typo in comment.
17820 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17822 * doc/cpp.texi (Character sets): Document that we do support
17823 input files to be in any character set.
17825 2006-02-23 Jeff Law <law@redhat.com>
17827 * tree.h (PHI_ARG_NONZERO): Remove.
17828 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17829 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17830 node to the new node.
17832 PR tree-optimization/26425
17833 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17834 min/max, then assume its varying.
17836 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17838 PR rtl-optimization/26316
17839 * rtlanal.c (enum may_trap_p_flags): New.
17840 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17841 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17842 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17843 (may_trap_after_code_motion_p): New function.
17844 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17845 (find_invariant_insn): Use may_trap_after_code_motion_p.
17846 * rtl.h (may_trap_after_code_motion_p): Declare.
17848 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17850 * emit-rtl.c (immed_double_const): Cleanup.
17852 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17854 Fix PR tree-optimization/26376
17855 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17858 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17860 PR middle-end/26412
17861 * gimplify.c (omp_add_variable): Guard variable size decl test with
17862 DECL_SIZE (decl) check.
17864 2006-02-23 Richard Guenther <rguenther@suse.de>
17866 PR middle-end/26439
17867 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17868 like aggregate types.
17870 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17872 * configure.ac: Add --with{,out}-long-double-128 configure option.
17873 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17874 * configure: Rebuilt.
17875 * config.in: Rebuilt.
17876 * doc/install.texi (Options specification): Document
17877 --with-long-double-128.
17879 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17880 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17881 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17882 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17884 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17886 * config/s390/s390.c (override_options): Handle
17887 TARGET_DEFAULT_LONG_DOUBLE_128.
17889 * config/alpha/alpha.c (override_options): Handle
17890 TARGET_DEFAULT_LONG_DOUBLE_128.
17892 * config/sparc/sparc.c (sparc_override_options): Handle
17893 TARGET_DEFAULT_LONG_DOUBLE_128.
17895 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17897 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17898 (real-install-headers-tar, real-install-headers-cpio)
17899 (real-install-headers-cp): New targets.
17901 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17903 * tree.h (variable_section): Delete.
17904 * varasm.c (variable_section): Delete.
17906 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17908 * install.texi: Add notes on install.texi2html.
17909 (Building in parallel): Do not use footnotes.
17911 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17914 * doc/install.texi (Configuration): Document --disable-libgomp.
17916 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17918 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17920 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17922 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17923 (vec_extractv2df_0_sse): New.
17925 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17927 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17928 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17929 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17930 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17931 to the result of the expression.
17932 (def_cfa_1): Adjust.
17933 (frame_pointer_cfa_offset): Rename to...
17934 (frame_pointer_fb_offset): ... this. Adjust all uses.
17935 (convert_cfa_to_loc_list): Rename to...
17936 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17937 Pass it on to build_cfa_loc.
17938 (compute_frame_pointer_to_cfa_displacement): Rename to...
17939 (compute_frame_pointer_to_fb_displacement): ... this. New
17940 offset parameter. Use it in computation.
17941 (gen_subprogram_die): Compute cfa_fb_offset with the new
17942 macro, and use it to compute the fb loc list and the
17945 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17947 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17948 replaced with register_operand.
17949 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17950 non-DREG is expensive.
17951 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17952 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17955 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17957 * doc/install.texi2html: Use set -e.
17959 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17961 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17962 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17963 * doc/invoke.texi (-fshared-data): Delete.
17964 * common.opt (fshared-data): Delete.
17965 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17966 (assemble_static_space): Remove #if 0 code.
17967 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17968 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17969 * config/cris/cris.h: Remove FIXME.
17971 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17973 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17976 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17978 PR middle-end/26379
17979 * combine.c (simplify_shift_const_1): Disable nested shifts
17980 optimization for vector shifts.
17982 2006-02-20 Roger Sayle <roger@eyesopen.com>
17984 PR tree-optimization/26361
17985 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17986 of unsigned integer types.
17988 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17990 * tree-chrec.c (eq_evolutions_p): New.
17991 * tree-chrec.h (eq_evolutions_p): Declared.
17992 * tree-data-ref.c: Fix formatting.
17993 (datadep_stats, dependence_stats): New.
17995 (print_direction_vector): New.
17996 (dump_data_dependence_relation): Use print_direction_vector.
17997 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17998 (compute_subscript_distance): Static.
17999 (initialize_data_dependence_relation): Static. Get the number
18000 of loops surrounding the references from the callers, and initialize
18001 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
18002 base_object_differ_p analyzers.
18003 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18004 compute_overlap_steps_for_affine_1_2,
18005 analyze_subscript_affine_affine): Count the classified dependences.
18006 Print a message when a test failed.
18007 (can_use_analyze_subscript_affine_affine): New.
18008 (analyze_siv_subscript): Compute the data dependences on symbolic
18009 scevs that verify can_use_analyze_subscript_affine_affine.
18010 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18011 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18012 Handle symbolic scevs.
18013 (analyze_overlapping_iterations): Let symbolic affine scevs to be
18015 (subscript_dependence_tester): Moved...
18016 (build_classic_dist_vector, build_classic_dir_vector): Don't use
18017 lambda_vector_clear on newly allocated vectors. Get nb_loops from
18018 DDR_SIZE_VECT instead of getting it in parameter.
18019 (subscript_dependence_tester): ... here. Take as a parameter
18020 loop_nest_depth. Call build_classic_dist_vector and
18021 build_classic_dir_vector.
18022 (compute_affine_dependence): Update subscript_dependence_tester
18023 parameters. Update datadep_stats counters. Call
18024 compute_subscript_distance.
18025 (compute_self_dependence): Save the dist and dir vectors. Call
18026 compute_subscript_distance.
18027 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18028 (compute_all_dependences): Reorder parameters as they were before
18029 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18030 compute_subscript_distance. Update the use of
18031 compute_affine_dependence and initialize_data_dependence_relation.
18032 (find_data_references_in_loop): Handle COMPONENT_REF.
18033 (compute_data_dependences_for_loop): Initialize dependence_stats.
18034 Don't call build_classic_dist_vector and build_classic_dir_vector.
18035 Update the parameters of initialize_data_dependence_relation and
18036 compute_all_dependences. Print the statistics from datadep_stats.
18037 (analyze_all_data_dependences): Static. Not used until the pass for
18038 checking the data dependences is contributed.
18039 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18040 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18041 (initialize_data_dependence_relation, compute_affine_dependence,
18042 analyze_all_data_dependences, compute_subscript_distance): Removed.
18043 (print_direction_vector): New.
18044 * lambda.h (gcd): ... here.
18045 (lambda_vector_gcd): Moved here from gcd_vector.
18046 * lambda-code.c (gcd, gcd_vector): Removed.
18047 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18048 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18050 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18052 * ipa-type-escape.c: Tidy some comments and white space.
18053 * tree-ssa-operands.c: Likewise.
18055 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18058 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18059 (dump_decl_name): Do not walk the decl tree chains.
18060 * tree-pass.h (TDF_CHAIN): Remove.
18062 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18064 * Makefile.in (C): Remove
18066 (.PHONY): Remove C and PROTO
18068 2006-02-20 Roger Sayle <roger@eyesopen.com>
18070 PR middle-end/26236
18071 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18072 deprecated CHAR_TYPE tree code.
18074 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18076 * configure.ac (target_list): Add install-info, dvi, html.
18077 * configure: Regenerate.
18079 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18080 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18081 treelang/Make-lang.in: Do not use double-colon rules.
18083 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18085 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18086 (TMT_USED_ALONE): New macro.
18087 * tree-pass.h (PROP_tmt_usage): New property.
18088 (TODO_update_tmt_usage): New todo.
18089 * tree-ssa-alias.c (updating_used_alone): New variable.
18090 (recalculate_used_alone): New function.
18091 (compute_may_aliases): Set updating_used_alone, call
18092 recalculate_used_alone.
18093 * tree-sra.c (pass_sra): Note that this pass destroys
18094 PROP_tmt_usage, and add TODO_update_tmt_usage.
18095 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18096 * tree-flow.h (updating_used_alone): Prototype.
18097 (recalculate_used_alone): Ditto.
18098 * passes.c (execute_todo): Add code to set updating_used_alone,
18099 and call recalculate.
18100 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18101 for clobber if used alone, and add assert to verify used_alone
18104 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18106 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18107 for non tls symbols added.
18108 (legitimize_address): Do nothing for PLUS expressions if one of the
18109 addends is a tls symbol reference.
18111 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18115 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18117 * Makefile.in (BOOTSTRAPPING): New.
18118 (quickstrap): New definition if BOOTSTRAPPING=yes.
18120 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18121 * configure.ac: Substitute all_selected_languages with the languages
18122 that were configured. For all the other variables except
18123 lang_specs_files, include all the languages in the tree.
18124 * configure: Regenerate.
18126 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18127 if there is one. Run the commands to run fixincludes in the same
18130 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18131 * doc/install.texi: Document exact conventions for searching target tools.
18132 Document --with-build-time-tools. Document toplevel bootstrap. Document
18133 something more about building an Ada cross-compiler. Don't list GNU Make
18134 requirements which affect all platforms.
18136 2006-02-19 Roger Sayle <roger@eyesopen.com>
18138 PR middle-end/19543
18139 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18140 only equivalent if the have both the same mode and precision.
18142 2006-02-20 Ben Elliston <bje@au.ibm.com>
18144 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18146 2006-02-19 Roger Sayle <roger@eyesopen.com>
18147 Steven Bosscher <stevenb.gcc@gmail.com>
18149 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18150 constant pool references to identify stack mode constants.
18151 * rtlanal.c (constant_pool_constant_p): New predicate to check
18152 whether operand is a floating point constant in the pool.
18153 * rtl.h (constant_pool_constant_p): Prototype here.
18154 * loop.c (scan_loop): Avoid hoisting constants from the constant
18155 pool on STACK_REGS targets.
18156 (load_mems): Likewise.
18157 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18158 loads into x87 registers expensive in terms of register pressure.
18160 2006-02-19 Roger Sayle <roger@eyesopen.com>
18162 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18163 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18165 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18167 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18168 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18170 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18172 * doc/invoke.texi: Document -fipa-pta.
18173 * common.opt: Add ipa-pta option.
18174 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18175 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18176 (do_ds_constraint): Ditto.
18177 (get_constraint_for): Only add to referenced_vars if
18178 referenced_vars exists.
18179 (insert_into_field_list): Rewrite to do this unsorted.
18180 (insert_into_field_list_sorted): Rename old insert_into_field_list
18182 (create_function_info_for): Use insert_into_field_list_sorted.
18183 (create_variable_info_for): Rewrite so it uses unsorted version,
18184 since the field list is sorted.
18185 (intra_create_variable_infos): Only add to referenced_vars if
18186 referenced_vars exists.
18187 (ipa_pta_execute): Init heapvars, and delete when done.
18188 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18190 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18192 * doc/install.texi: Add missing `@samp'.
18194 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18196 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18199 2006-02-18 Mark Wielaard <mark@klomp.org>
18201 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18202 who added new 4.1 features, bug fixes and integration support.
18204 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18207 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18208 MEM for ABI_V4 pic.
18210 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18212 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18213 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18214 (copy_insn_1): Likewise. Don't copy each field individually.
18216 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18218 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18219 * rtl.c (rtx_size): Rename variable to...
18220 (rtx_code_size): ...this.
18221 (rtx_size): New function.
18222 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18223 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18225 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18226 * rtl.h (rtx_code_size): New variable.
18227 (rtx_size): Change from a variable to a function.
18228 (RTX_SIZE): Rename to...
18229 (RTX_CODE_SIZE): ...this.
18232 PR tree-optimization/17106
18233 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18234 (Anchored Addresses): New section.
18235 * doc/invoke.texi (-fsection-anchors): Document.
18236 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18237 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18238 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18239 * hooks.c (hook_bool_mode_rtx_false): New function.
18240 * hooks.h (hook_bool_mode_rtx_false): Declare.
18241 * gengtype.c (create_optional_field): New function.
18242 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18243 SYMBOL_REF_IN_BLOCK_P is true.
18244 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18245 (min_anchor_offset, max_anchor_offset): Likewise.
18246 (use_anchors_for_symbol_p): New hook.
18247 * toplev.c (compile_file): Call output_object_blocks.
18248 (target_supports_section_anchors_p): New function.
18249 (process_options): Check that -fsection-anchors is only used on
18250 targets that support it and when -funit-at-a-time is in effect.
18251 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18252 if the decl doesn't have one.
18253 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18254 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18255 of force_const_mem through use_anchored_address.
18256 (expand_expr_constant): New function.
18257 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18258 calling expand_expr for INDIRECT_REF.
18259 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18260 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18261 * expr.h (use_anchored_address): Declare.
18262 * loop-unroll.c: Don't declare rtx vectors here.
18263 * explow.c: Include output.h.
18264 (validize_mem): Call use_anchored_address.
18265 (use_anchored_address): New function.
18266 * common.opt (-fsection-anchors): New switch.
18267 * varasm.c (object_block_htab, anchor_labelno): New variables.
18268 (hash_section, object_block_entry_eq, object_block_entry_hash)
18269 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18270 (use_blocks_for_decl_p, change_symbol_section): New functions.
18271 (get_variable_section): New function, split out from assemble_variable.
18272 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18273 use_blocks_for_decl_p say so. Use change_symbol_section if the
18274 symbol has already been created.
18275 (assemble_variable_contents): New function, split out from...
18276 (assemble_variable): ...here. Don't output any code for
18277 block symbols; just pass them to place_block_symbol.
18278 Use get_variable_section and assemble_variable_contents.
18279 (get_constant_alignment, get_constant_section, get_constant_size): New
18280 functions, split from output_constant_def_contents.
18281 (build_constant_desc): Create a block symbol if use_object_blocks_p
18282 says so. Or into SYMBOL_REF_FLAGS.
18283 (assemble_constant_contents): New function, split from...
18284 (output_constant_def_contents): ...here. Don't output any code
18285 for block symbols; just pass them to place_section_symbol.
18286 Use get_constant_section and get_constant_alignment.
18287 (force_const_mem): Create a block symbol if use_object_blocks_p and
18288 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18289 (output_constant_pool_1): Add an explicit alignment argument.
18290 Don't switch sections here.
18291 (output_constant_pool): Adjust call to output_constant_pool_1.
18292 Switch sections here instead. Don't output anything for block symbols;
18293 just pass them to place_block_symbol.
18294 (init_varasm_once): Initialize object_block_htab.
18295 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18296 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18297 (place_block_symbol, get_section_anchor, output_object_block)
18298 (output_object_block_htab, output_object_blocks): New functions.
18299 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18300 (TARGET_ASM_OUT): Include it.
18301 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18302 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18303 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18304 (TARGET_INITIALIZER): Include them.
18305 * rtl.c (rtl_check_failed_block_symbol): New function.
18306 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18307 (block_symbol, object_block): New structures.
18308 (rtx_def): Add a block_symbol field to the union.
18309 (BLOCK_SYMBOL_CHECK): New macro.
18310 (rtl_check_failed_block_symbol): Declare.
18311 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18312 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18313 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18314 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18315 * output.h (output_section_symbols): Declare.
18316 (object_block): Name structure.
18317 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18318 (default_use_anchors_for_symbol_p): Declare.
18319 * Makefile.in (RTL_BASE_H): Add vec.h.
18320 (explow.o): Depend on output.h.
18321 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18322 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18323 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18324 (rs6000_use_blocks_for_constant_p): New function.
18326 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18328 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18330 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18333 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18336 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18338 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18342 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18344 PR middle-end/26334
18345 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18346 instead of DECL_REGISTER.
18348 2006-02-18 Olivier Hainque <hainque@adacore.com>
18351 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18353 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18356 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18357 * opth-gen.awk: Handle Var and InverseMask together.
18358 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18359 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18360 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18361 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18363 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18364 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18365 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18366 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18367 LINUX_DYNAMIC_LINKER): Define.
18368 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18369 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18371 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18372 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18373 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18375 (TARGET_C99_FUNCTIONS): Don't define.
18376 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18377 GLIBC_DYNAMIC_LINKER.
18378 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18379 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18380 GLIBC_DYNAMIC_LINKER64): Define.
18381 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18382 LINUX_DYNAMIC_LINKER64.
18383 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18385 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18386 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18387 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18388 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18389 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18390 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18391 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18393 and LINUX_DYNAMIC_LINKER32.
18394 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18395 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18396 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18397 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18398 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18400 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18401 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18402 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18403 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18404 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18405 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18406 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18407 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18408 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18409 LINUX_DYNAMIC_LINKER): Define.
18410 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18411 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18412 GLIBC_DYNAMIC_LINKER64): Define.
18413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18414 LINUX_DYNAMIC_LINKER64.
18415 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18416 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18417 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18418 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18419 LINUX_DYNAMIC_LINKER): Define.
18420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18421 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18422 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18423 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18424 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18425 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18426 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18427 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18428 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18429 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18430 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18431 * doc/invoke.texi (-muclibc): Remove caveat about supported
18434 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18436 * doc/cpp.texi (__TIMESTAMP__): Document.
18438 2006-02-17 Roger Sayle <roger@eyesopen.com>
18440 PR middle-end/25600
18441 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18442 C is one less than the width of X (and related transformations).
18443 * simplify-rtx.c (simplify_unary_operation_1): Transform
18444 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18445 depending on STORE_FLAG_VALUE, were C is one less then the
18448 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18450 Fix PR tree-optimization/26341
18451 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18452 about NAME_MEMORY_TAG's.
18454 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18457 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18458 with hardware float support, and software float support. Add fcpy
18459 alternative to hardware patterns. Add alternatives to copy between
18460 general and floating-point registers to the 32-bit pattern.
18461 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18462 secondary reload to load a QI or HI mode constant into a floating
18464 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18465 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18467 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18470 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18472 (load_macho_picbase_di): Likewise.
18474 2006-02-16 Jeff Law <law@redhat.com>
18476 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18477 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18478 (ssa_name_nonzero_p): Likewise.
18479 (get_value_range): Return NULL if VRP is not running.
18480 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18481 VRP routines do not discover a range.
18482 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18483 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18484 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18485 (tree_expr_nonnegative_p): Similarly.
18486 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18487 (restore_nonzero_vars_to_original_value): Remove.
18488 (unsafe_associative_fp_binop): Remove.
18489 (tree_ssa_dominator_optimize): Remove initialization and
18490 finalization of nonzero_vars and nonzero_vars_stack.
18491 (dom_opt_initialize_block): No longer push marker on
18492 nonzero_vars_stack.
18493 (dom_opt_finalize_block): No longer call
18494 restore_nonzero_vars_to_original_value.
18495 (record_equivalences_from_phis): No longer look for
18496 nonzero PHI arguments.
18497 (cprop_into_successor_phis): No longer propagate nonzero
18498 property into PHI arguments. Lose unused argument. Caller
18500 (record_equivalences_from_stmt): No longer record nonzero
18501 values for SSA_NAMEs.
18502 (lookup_avail_expr): No longer use nonzero_vars.
18504 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18505 for sizetype when sizetype is unsigned.
18507 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18509 PR rtl-optimization/25603
18510 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18511 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18512 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18513 with new meaning of SETS.
18515 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18520 * config/linux.opt: New file.
18521 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18522 LINUX_DYNAMIC_LINKER): Define.
18523 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18524 * config.gcc (*-*-linux*): Define extra_options.
18525 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18526 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18527 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18528 GLIBC_DYNAMIC_LINKER.
18529 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18530 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18531 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18533 * doc/invoke.texi (GNU/Linux Options): New section.
18535 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18537 * config/sparc/sparc.md (setjmp): Rewrite.
18538 (setjmp_32): Delete.
18539 (setjmp_64): Likewise.
18541 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18543 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18546 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18548 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18551 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18553 PR rtl-optimization/26296
18554 * Makefile.in (loop-invariant.c): Add except.h dependency.
18555 * loop-invariant.c: Include except.h.
18556 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18558 2005-02-16 Paul Brook <paul@codesourcery.com>
18560 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18563 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18565 PR rtl-optimization/25636
18566 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18567 when deciding whether an insn is an initializing insn.
18569 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18571 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18572 (tree_code_size): Ditto.
18573 * tree.h (struct tree_memory_tag): Remove parent_var.
18574 (struct tree_struct_field_tag): New.
18577 (union tree_node): Add sft member.
18578 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18580 (create_sft): Add size and offset argument, set SFT_OFFSET and
18582 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18583 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18584 * tree-flow-inline.h (get_subvar_at): Update for
18585 SFT_OFFSET/SFT_SIZE.
18586 (var_can_have_subvars): Ditto.
18587 (overlap_subvar): Ditto.
18588 * print-tree.c (print_node): Print out interesting things for
18590 * tree-flow.h (struct subvar): Remove offset and size members.
18591 * tree-ssa-operands.c (get_expr_operands): Update for
18592 get_indirect_ref_operands changes.
18593 (get_indirect_ref_operands): Call add_virtual_operand instead of
18594 add_stmt_operand. Only recurse on base var if requested.
18595 (access_can_touch_variable): New function.
18596 (add_stmt_operand): Split virtual operand handling into ...
18597 (add_virtual_operand): Here. Add offset, size, and for_clobber
18598 arguments. Prune alias sets.
18599 (add_call_clobber_ops): Call add_virtual_operand.
18601 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18603 PR middle-end/26300
18604 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18606 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18607 than TREE_CODE as index into omp_clause_num_ops array.
18609 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18611 PR rtl-optimization/26184
18612 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18614 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18615 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18616 must_precede, must_follow and tobe_scheduled.
18619 * opts.c (common_handle_option): Free new_option pointer.
18620 * df-core.c (df_analyze): Free postorder pointer.
18622 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18624 * Makefile.in: Fix the examples about the use of stamps
18626 2006-02-15 Michael Matz <matz@suse.de>
18628 PR middle-end/22275
18630 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18631 influenced by maximum_field_alignment or DECL_PACKED.
18632 (update_alignment_for_field): Ditto.
18633 (place_field): Ditto.
18634 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18637 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18639 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18640 (debug_flow_info): Pass it.
18641 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18642 * bb-reorder.c (reorder_basic_blocks): Likewise.
18643 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18644 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18645 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18646 * gcse.c (gcse_main, bypass_jumps): Likewise.
18647 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18648 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18649 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18650 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18651 * rtl.h (dump_flow_info): Adjust prototype.
18652 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18653 * var-tracking.c (variable_tracking_main): Likewise.
18654 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18655 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18658 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18660 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18663 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18665 PR tree-optimization/26209
18666 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18667 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18669 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18671 2006-02-14 Roger Sayle <roger@eyesopen.com>
18673 PR middle-end/23670
18674 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18675 (X,Y) and the corresponding symmetry related transformations.
18676 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18677 (X,Y) and its symmetry related transformations.
18679 2006-02-14 Roger Sayle <roger@eyesopen.com>
18681 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18684 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18686 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18688 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18691 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18692 support COMDAT group.
18693 * configure: Regenerate.
18695 2006-02-14 Roger Sayle <roger@eyesopen.com>
18697 PR middle-end/26279
18698 PR middle-end/26280
18699 PR middle-end/26283
18700 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18702 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18704 Fix PR tree-optimization/26260
18706 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18708 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18709 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18710 * tree-ssa-structalias.c (create_variable_info_for): Use
18711 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18713 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18715 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18717 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18718 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18719 of the ending condition.
18720 * tree-ssa-loop-manip.c: Include params.h.
18721 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18722 tree_unroll_loop): New functions.
18723 * tree-pass.h (pass_loop_prefetch): Declare.
18724 * loop.c (rest_of_handle_loop_optimize): Test for
18725 -fprefetch-loop-arrays-rtl.
18726 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18727 * timevar.def (TV_TREE_PREFETCH): New timevar.
18728 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18729 pass_loop_prefetch): New.
18730 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18731 (cleanup_tree_cfg_loop): Call scev_reset.
18732 * common.opt (fprefetch-loop-arrays-rtl): Add.
18733 * tree-ssa-loop-prefetch.c: New file.
18734 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18735 (new_temp_expr_table): Initialize expr_vars.
18736 (free_temp_expr_table): Cleanup expr_vars.
18737 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18738 expressions from being merged into one.
18739 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18740 (struct tree_niter_desc): Add control, bound and cmp fields.
18741 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18743 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18744 (tree-cfgcleanup.o): Add SCEV_H dependency.
18745 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18746 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18748 2006-02-14 Richard Guenther <rguenther@suse.de>
18750 PR tree-optimization/26258
18751 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18752 in PHI argument processing.
18754 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18756 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18757 new expression in the requested machine mode.
18759 2006-02-13 Roger Sayle <roger@eyesopen.com>
18761 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18762 directly, instead let do_compare_rtx_and_jump handle this for us.
18763 * expr.c (expand_expr_real_1): Likewise.
18764 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18765 before do_jump_by_parts_greater.
18766 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18767 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18769 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18771 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18773 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18775 PR rtl-optimization/26235
18776 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18777 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18780 2006-02-13 Jeff Law <law@redhat.com>
18782 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18785 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18787 PR middle-end/26092
18788 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18789 twice if decl is a builtin. When trying again, call get_callee_fndecl
18790 first to verify it is still a builtin.
18792 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18794 * dwarf2out.c (base_type_die): Don't add AT_name here.
18795 (subrange_type_die): Don't add AT_name here.
18796 (modified_type_die): Rearrange code flow. Do add AT_name here.
18798 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18800 PR rtl-optimization/26247
18801 PR rtl-optimization/26248
18802 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18804 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18806 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18807 * config/fixtfdi.c: Likewise.
18808 * config/fixunstfdi.c: Likewise.
18809 * config/floatditf.c: Likewise.
18811 2006-02-13 Roger Sayle <roger@eyesopen.com>
18813 PR middle-end/24427
18814 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18815 into (X,C2) if C1 is a subset of the bits of C2. Transform
18816 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18818 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18820 2006-02-13 Josh Conner <jconner@apple.com>
18823 * varasm.c (function_section): Check for section name before
18824 calling select_section on targets that define
18825 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18826 unlikely_text_section instead of hot_function_section if
18827 first_function_block_is_cold.
18829 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18831 PR middle-end/25335
18832 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18834 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18836 PR rtl-optimization/26222
18837 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18838 after tree->rtl expansion.
18839 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18840 before passing it to emit_move_insn.
18842 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18844 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18846 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18847 Clarify documentation.
18848 * c-common.h (warn_write_strings): Remove.
18849 * c-common.c (warn_write_strings): Likewise.
18850 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18853 2006-02-12 Roger Sayle <roger@eyesopen.com>
18855 PR middle-end/25724
18856 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18857 (do_jump_parts_zero_rtx): New function renamed from
18858 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18859 (do_jump_parts_equality_rtx): New function split out from
18860 do_jump_parts_equality. Old implementation renamed as above.
18861 Call do_jump_parts_zero_rtx if either operand is zero.
18862 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18863 do all of the heavy lifting.
18864 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18865 calling either do_jump_by_parts_greater_rtx or
18866 do_jump_by_parts_equality_rtx.
18867 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18868 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18869 moved to do_compare_rtx_and_jump, call it directly.
18870 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18871 mode argument. Call do_compare_rtx_and_jump.
18872 (emit_case_nodes): Update calls to do_jump_if_equal.
18874 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18876 PR rtl-optimization/26225
18877 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18879 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18881 PR rtl-optimization/26232
18882 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18884 2006-02-11 Jason Merrill <jason@redhat.com>
18887 * tree-inline.c (declare_return_variable): Just don't use the
18888 modify target if it's a gimple complex reg and the return slot
18891 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18893 * doc/contrib.texi: Update my entry.
18895 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18897 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18899 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18901 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18904 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18906 * doc/invoke.texi (-floop-optimize2): Removed.
18907 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18908 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18909 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18910 * common.opt (floop-optimize2): Removed.
18911 (fmove-loop-invariants): Enabled by default.
18913 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18915 * tree-if-conv.c (combine_blocks): Free the result of
18916 get_loop_exit_edges.
18918 2006-02-10 Jeff Law <law@redhat.com>
18920 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18922 PR tree-optimization/26213
18923 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18924 loop trying to follow SSA_NAME_VALUE chains.
18926 2006-02-10 Richard Guenther <rguenther@suse.de>
18928 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18929 deal with structures that end in implicitly variable sized arrays.
18931 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18933 PR rtl-optimization/24762
18934 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18937 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18939 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18940 (struct ivopts_data): Add regs_used field.
18941 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18942 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18943 instead of loop_data->regs_used;
18944 (free_loop_data): Do not free aux fields for loops.
18945 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18946 and tree_ssa_iv_optimize_finalize.
18948 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18950 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18952 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18955 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18956 computing the effective result type.
18958 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18960 PR inline-asm/16194
18961 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18962 (tree_overlaps_hard_reg_set): Declare.
18963 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18964 type and signature to match function type expected by walk_tree.
18965 (tree_overlaps_hard_reg_set): New function.
18966 (decl_conflicts_with_clobbers_p): Rename to:
18967 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18968 Use tree_overlaps_hard_reg_set. Changed caller.
18969 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18970 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18971 * cris.c (cris_md_asm_clobbers): Likewise.
18973 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18975 * reload1.c (emit_input_reload_insns): Delete code that tries to
18976 inherit using find_equiv_reg.
18978 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18980 * c-common.h (flag_const_strings): Don't declare.
18981 * c-common.c (flag_const_strings): Remove.
18982 * c.opt (fconst_strings): Remove.
18983 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18984 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18985 (c_common_init_options): Don't set flag_const_strings.
18986 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18988 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18990 * arm.md (tlobits_cbranch): New pattern.
18991 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18992 testing a single bit.
18994 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18997 * tree-ssa-pre.c (create_component_ref_by_pieces):
18998 Handle RETURN_DECL like VAR_DECL.
19000 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19002 PR middle-end/26134
19003 * fold-const.c (fold_indirect_ref_1): Fold
19004 "*(foo *)&complexfoo" to "__real__ complexfoo"
19005 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19007 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19009 * tree-flow-inline.h (var_can_have_subvars):
19010 Volatile variables should not have subvariables.
19012 2006-02-09 Diego Novillo <dnovillo@redhat.com>
19015 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19016 multiplying unsigned values.
19019 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
19021 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19023 2006-02-08 Jason Merrill <jason@redhat.com>
19026 * tree.def: Elaborate on difference from MODIFY_EXPR.
19027 * doc/c-tree.texi (INIT_EXPR): Likewise.
19028 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19029 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19030 (gimplify_target_expr): Likewise.
19031 (gimplify_cond_expr): Remove target handling.
19032 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19033 (gimplify_expr): Clobber it here.
19034 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19035 Do return slot optimization if we have an INIT_EXPR.
19038 * tree-inline.c (declare_return_variable): Also clear
19039 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19042 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19044 PR middle-end/22439
19045 * gimplify.c (gimplify_one_sizepos): Fix typo.
19047 2006-02-08 Jeff Law <law@redhat.com>
19049 PR tree-optimization/21417
19050 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19051 across a backedge if the control statement at the end of the
19052 block is data dependent on other statements in the same block.
19053 (record_temporary_equivalences_from_stmts): Remove over-conservative
19054 test for threading across backedges.
19056 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19057 control statement, handle all three special cases in the same
19058 manner as they all have the same desired solution. No longer
19059 special case edge flag updating when the post dominator is
19062 2006-02-08 Roger Sayle <roger@eyesopen.com>
19064 * tree.def (CHAR_TYPE): Remove.
19065 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19066 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19067 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19068 (gen_string_type_die): Delete unreachable function.
19070 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19071 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19072 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19073 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19074 * builtins.c (type_to_class): Likewise.
19075 * fold-const.c (fold_convert, build_range_check,
19076 merge_ranges): Likewise.
19077 * expr.c (count_type_elements): Likewise.
19078 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19079 * stor-layout.c (layout_type): Likewise.
19080 * ipa-type-escape.c (type_to_consider): Likewise.
19081 * gimplify.c (omp_firstprivatize_type_sizes,
19082 gimplify_type_sizes): Likewise.
19083 * explow.c (promote_mode): Likewise.
19084 * tree-sra.c (is_sra_scalar_type): Likewise.
19085 * varasm.c (output_constant): Likewise.
19086 * tree-inline.c (remap_type_1): Likewise.
19087 * convert.c (convert_to_pointer, convert_to_real,
19088 convert_to_integer, convert_to_complex): Likewise.
19090 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19092 * df-scan.c (df_def_record_1): A set destination may
19093 be a parallel regardless of mode.
19095 2006-02-08 Roger Sayle <roger@eyesopen.com>
19098 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19099 * config/mips/_tilib.c: Remove.
19100 * config/fixtfdi.c: New libgcc source file.
19101 * config/fixunstfdi.c: New source file.
19102 * config/floatditf.c: New source file.
19103 * config/floatunditf.c: New souce file.
19104 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19105 files above instead of config/mips/_tilib.c.
19106 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19108 2006-02-08 Jeff Law <law@redhat.com>
19110 PR tree-optimization/26169
19111 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19114 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19116 * df.h (DF_REG_SIZE): Return the length of the initialized
19119 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19121 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19122 __muldf3): Return a correctly signed zero.
19124 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19126 * passes.c (register_one_dump_file): Accept the current properties
19127 instead of pass number. Adjust call to dump_register. Remove
19129 (register_dump_files): Now a wrapper around...
19130 (register_dump_files_1): ... this one. Do not modify the pass
19132 (next_pass_1): Cosmetic fix.
19133 (execute_todo): Keep second parameter only. Use curr_properties
19134 instead of fetching it from the pass structure. Check and set
19136 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19137 instead of fetching it from the pass structure. Fix calls to
19138 execute_todo. Update curr_properties and initialize .vcg RTL dump
19139 after running the pass. Reset last_verified.
19140 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19142 (FIRST_AUTO_NUMBERED_DUMP): New.
19143 (dump_register): Remove "num" parameter, assign it within the
19145 (get_dump_file_name): Modify template for dumps.
19146 * tree-dump.h (dump_register): Adjust prototype.
19147 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19148 (PROP_trees): Add PROP_gimple_lomp.
19149 (TODO_set_props): New.
19150 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19151 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19152 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19154 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19156 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19157 (sparc64-*-linux*): Likewise.
19158 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19159 * config/sparc/t-linux: New file.
19160 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19161 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19162 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19163 -m32 -mlong-double-128.
19165 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19166 * config/alpha/t-linux: New file.
19167 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19169 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19170 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19171 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19172 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19173 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19174 (CPP_ARCH32_SPEC): Remove.
19176 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19178 PR tree-optimization/26145
19179 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19182 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19185 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19186 >= 240000 when generating code for SOM runtime.
19187 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19188 to $$dyncall when generating code for SOM runtime..
19190 2006-02-07 Dirk Mueller <dmueller@suse.com>
19193 * doc/invoke.texi (-Wsequence-point): Update documentation
19194 that -Wsequence-point is implemented for C++ as well.
19196 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19198 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19199 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19200 (LIB_SPEC): Likewise.
19201 * doc/invoke.texi (SPARC options): Document -pthread.
19203 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19205 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19208 2006-02-07 Roger Sayle <roger@eyesopen.com>
19210 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19211 Correct comment describing BOOLEAN_TYPE.
19213 2006-02-07 Dirk Mueller <dmueller@suse.com>
19215 * c.opt: C++ frontend supports -Wdiv-by-zero.
19216 * c-opts.c (c_common_handle_option): Remove dead case.
19218 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19220 * configure.ac (TLS assembler check): Do not enable TLS by
19221 default on SPARC/Solaris before version 10.
19222 * configure: Regenerate.
19224 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19226 * doc/invoke.texi (xl-compat): Document conversion and support
19229 2006-02-07 Jeff Law <law@redhat.com>
19231 * tree-vrp.c (find_conditional_asserts): Update comments.
19232 (simplify_stmt_for_jump_threading): New.
19233 (identify_jump_threads, finalize_jump_threads): New.
19234 (vrp_finalize): Call identify_jump_threads.
19235 (execute_vrp): Call finalize_jump_threads.
19236 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19237 (vrp_element, vrp_data, vrp_element_p): Remove.
19238 (vrp_hash_elt, vrp_variables_stack): Remove.
19239 (vrp_hash, vrp_eq, record_range): Remove.
19240 (simplify_cond_and_lookup_avail_expr): Remove.
19241 (extract_range_from_cond): Remove.
19242 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19243 (simplify_stmt_for_jump_threading): New.
19244 (dom_thread_across_edge): New wrapper.
19245 (tree_ssa_dominator_optimize): No longer initialize or
19246 finalize any of the VRP datastructures. Remove iteration
19247 step and simplify as a result of removal of iteration step.
19248 (pass_dominator): Perform a cfg cleanup after DOM.
19249 (dom_opt_finalize_block): Use the new common routines
19250 for threading jumps. Simplify stack management slightly.
19251 No longer need to unwind VRP state.
19252 (record_equivalences_from_incoming_edge): No longer record
19254 (eliminate_redundant_computations): No longer call
19255 simplify_cond_and_lookup_avail_expr.
19256 * tree-flow.h (potentially_threadable_block): Prototype.
19257 (thread_across_edge): Likewise.
19258 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19259 (tree-ssa-threadedge.o): Add dependencies.
19260 * tree-ssa-threadedge.c: New file.
19261 * passes.c (init_optimization_passes): Merge PHIs before
19262 calling VRP. Run VRP again late in the SSA optimization pipeline.
19264 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19266 * df-core.c (df_set_blocks): Do not dereference function pointers.
19267 (df_finish1): Likewise.
19268 (df_hybrid_search_forward): Likewise.
19269 (df_hybrid_search_backward): Likewise.
19270 (df_iterative_dataflow): Likewise.
19271 (df_analyze_problem): Likewise.
19272 (df_compact_blocks): Likewise.
19273 (df_dump): Likewise.
19274 * df-scan.c (df_rescan_blocks): Likewise.
19275 (df_record_entry_block_defs): Likewise.
19277 * genconditions.c (write_conditions): Guard the definition of
19278 'insn_conditions' with the check on GCC version.
19279 (write_writer): Guard the traversal 'insn_conditions' with
19280 the check on GCC version.
19282 2006-02-07 Richard Guenther <rguenther@suse.de>
19286 2006-01-30 Richard Guenther <rguenther@suse.de>
19288 * gimplify.c (gimplify_target_expr): Handle easy cases
19289 without creating a temporary.
19291 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19293 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19294 use of float in probability computations. Use edge probabilities
19295 in place of statically computed probabilities.
19296 (min_spec_prob): New static variable.
19297 (schedule_insns): Initialize it.
19298 (GET_SRC_PROB): Removed.
19299 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19301 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19304 * config/ia64/unwind-ia64.c: Revert last change.
19305 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19306 (INCOMING_FRAME_SP_OFFSET): Define.
19308 2006-02-06 Roger Sayle <roger@eyesopen.com>
19310 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19312 2006-02-07 Ben Elliston <bje@au.ibm.com>
19314 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19315 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19316 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19317 (ix86_return_in_memory): Handle TDmode.
19318 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19319 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19321 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19323 * reorg.c (dbr_schedule): Use dump_file instead of file.
19325 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19328 * config/ia64/predicates.md (extr_len_operand): New predicate.
19329 * config/ia64/ia64.md (extv): Tighten constraints.
19331 (*tbit_and_2): Ditto.
19332 (*tbit_and_3): Ditto.
19333 (*tbit_or_2): Ditto.
19334 (*tbit_or_3): Ditto.
19335 (*bit_zero): Ditto.
19338 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19341 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19343 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19345 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19346 loop_optimizer_init and loop_optimizer_finalize
19347 * tree-ssa-sink.c (execute_sink_code): Ditto.
19348 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19349 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19350 tree_ssa_loop_done): Ditto.
19351 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19352 * sched-ebb.c: Include output.h.
19353 (schedule_ebbs): Do not use dump argument.
19354 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19355 * loop.c (loop_dump_stream): Removed.
19356 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19358 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19359 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19360 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19361 loop_iterations, strength_reduce, record_biv, record_giv,
19362 final_giv_value, check_final_value, check_ext_dependent_givs,
19363 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19364 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19365 dump_file instead of loop_dump_stream.
19366 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19367 argument dump_file.
19368 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19370 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19371 * haifa-sched.c: Include output.h
19372 (schedule_insns, sched_init): Do not use dump argument.
19373 * mode-switching.c (optimize_mode_switching): Ditto.
19374 * modulo-sched.c (stats_file): Removed.
19375 (print_node_sched_params): Do not call argument dump_file.
19376 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19377 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19379 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19381 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19382 rtl_loop_init, rtl_loop_done): Ditto.
19383 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19384 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19386 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19387 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19388 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19389 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19390 * emit-rtl.c (renumber_insns): Ditto.
19391 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19392 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19393 * regclass.c (regclass): Ditto.
19394 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19395 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19396 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19397 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19399 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19400 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19402 * gcse.c (gcse_file, debug_stderr): Removed.
19403 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19404 rest_of_handle_gcse): Do not use dump argument.
19405 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19406 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19407 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19408 compute_code_hoist_vbeinout, compute_code_hoist_data,
19409 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19410 compute_store_table, build_store_vectors, insert_insn_start_bb,
19411 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19412 store_motion): Use dump_file instead of gcse_file.
19413 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19414 * profile.c (profile_dump_file): Removed.
19415 (branch_prob): Use dump_file instead of profile_dump_file.
19416 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19418 * tree-ssa-copy.c (dump_copy_of): Ditto.
19419 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19420 dump file to life_analysis.
19421 * bt-load.c (branch_target_load_optimize): Ditto.
19422 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19424 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19425 regclass, dbr_schedule): Declaration changed.
19426 * sched-int.h (sched_init): Declaration changed.
19427 * tree-profile.c (tree_profile_dump_file): Removed.
19428 (tree_profile_hooks): Removed profile_dump_file hook.
19429 * rtl-profile (rtl_profile_dump_file): Removed.
19430 (rtl_profile_hooks): emoved profile_dump_file hook.
19431 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19433 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19434 * tree-cfg.c (build_tree_cfg): Ditto.
19435 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19436 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19437 Declaration changed.
19438 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19439 life_analysis and schedule_insns.
19440 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19442 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19444 * config/mips/mips.c (mips_reorg): Ditto.
19445 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19448 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19450 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19451 (s390_mangle_fundamental_type): New.
19452 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19455 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19456 (alpha_mangle_fundamental_type): New.
19457 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19460 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19462 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19464 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19465 (sparc_mangle_fundamental_type): New.
19467 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19469 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19470 (s390x-*-linux*): Likewise.
19471 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19472 * config/s390/t-linux: New file.
19474 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19476 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19477 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19479 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19481 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19482 (ANTIC_SAFE_LOADS): New macro.
19483 (find_or_generate_expression): Add prototype.
19484 (set_contains_value): Allow null set for sake of not always having
19485 to allocate ANTIC_SAFE_LOADS.
19486 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19487 Allow COMPONENT_REF too.
19488 (valid_in_set): Allow COMPONENT_REF.
19489 Check ANTIC_SAFE_LOADS too.
19490 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19491 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19493 (can_PRE_operation): Add COMPONENT_REF.
19494 (create_component_ref_by_pieces): New function.
19495 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19496 (insert_aux): Move AGGREGATE_TYPE_P check here.
19497 (compute_avail): Set bb local stmt uids.
19498 (pass_pre): Use TODO_update_ssa_only_virtuals.
19500 2006-02-06 Ben Elliston <bje@au.ibm.com>
19502 * configure.ac: Unconditionally disable decimal float by default.
19503 * configure: Regenerate.
19505 2006-02-06 Ben Elliston <bje@au.ibm.com>
19507 * read-rtl.c (read_name): Terminate reading on EOF.
19509 2006-02-06 Ben Elliston <bje@au.ibm.com>
19511 * dfp.c (decimal_real_arithmetic): Change second argument type
19512 from int to enum tree_code. Do not always return true, but now
19513 return result of any call to decimal_do helper functions.
19514 * dfp.h (decimal_real_arithmetic): Update prototype.
19516 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19518 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19520 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19523 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19526 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19528 * tree-vrp.c (cfg_loops): Removed.
19529 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19530 Use current_loops instead of cfg_loops. Pass flags to
19531 loop_optimizer_init.
19532 * cfgloopmanip.c (fix_loop_structure): Update only available
19534 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19535 loop_optimizer_init.
19536 * modulo-sched.c (build_loops_structure): Removed.
19537 (sms_schedule): Use loop_optimizer_init.
19538 * loop-init.c (loop_optimizer_init): Use flags to determine
19539 which properties of loops to prepare.
19540 (rtl_loop_init): Pass flags to loop_optimizer_init.
19541 * tree-ssa-sink.c (execute_sink_code): Ditto.
19542 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19543 * tree-ssa-pre.c (init_pre): Ditto.
19544 * cfgloop.h (LOOPS_NORMAL): New.
19545 (loop_optimizer_init): Declaration changed.
19547 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19549 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19550 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19552 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19554 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19556 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19557 * pa/t-pa64: Delete quadlib.c rule.
19558 * pa/x-ada: Revert last change.
19559 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19561 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19563 PR rtl-optimization/26087
19564 * rtlanal.c (canonicalize_condition): Do not cross basic block
19567 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19570 * config/ia64/ia64.c: Include debug.h.
19571 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19572 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19573 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19574 (process_epilogue, process_set, process_for_unwind_directive):
19575 Output unwind info only if requested. Add CFA info if requested.
19576 Add new arguments as needed. Adjust callers.
19577 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19579 (DWARF2_FRAME_INFO): Define to zero.
19580 * config/ia64/unwind-ia64.c: Remove code that compensated for
19581 the CFA offset error fixed above.
19582 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19583 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19584 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19585 -funwind-tables and -fexceptions to enable frame info.
19586 (dwarf2out_frame_init): Define initial CFA even if
19587 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19588 DWARF2_UNWIND_INFO is nonzero, not just defined.
19589 (dwarf2out_frame_finish): Output non-EH call frame info only
19590 if DWARF2_FRAME_INFO is nonzero.
19591 (convert_cfa_to_loc_list,
19592 compute_frame_pointer_to_cfa_displacement): Define even if
19593 unwind info is not supported.
19594 (gen_subprogram_die): Use the above unconditionally. Remove
19595 legacy alternate code.
19596 * toplev.c (compile_file): Compile in call to
19597 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19598 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19600 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19601 Jakub Jelinek <jakub@redhat.com>
19603 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19604 IBM extended float format long double as "g" on powerpc*-linux.
19606 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19609 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19610 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19612 2006-02-03 Jason Merrill <jason@redhat.com>
19615 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19617 PR middle-end/25977
19618 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19619 on the return slot if it's an NRV.
19621 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19623 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19624 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19625 rewrite_use): Do not handle USE_OUTER.
19626 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19627 add_iv_outer_candidates, may_replace_final_value,
19628 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19629 (find_interesting_uses_op): Functionality of
19630 find_interesting_uses_outer_or_nonlin moved here.
19631 (find_interesting_uses_outside): Use find_interesting_uses_op.
19633 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19636 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19638 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19639 Ulrich Weigand <uweigand@de.ibm.com>
19642 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19643 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19644 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19645 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19647 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19648 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19649 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19650 Define secondary reloads for TFmode moves.
19651 (constant_modes): Add TFmode.
19652 (NR_C_MODES): Set to 8.
19653 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19655 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19656 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19657 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19658 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19659 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19660 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19661 (FPR mode macro): Add TFmode.
19662 (DSF mode macro): New.
19663 (<de>, <dee> mode attributes): Removed.
19664 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19665 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19666 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19667 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19668 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19669 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19670 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19671 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19672 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19673 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19674 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19675 "*negabs<mode>2", "sqrt<mode>2"):
19676 Changed <de> to <xde>. R constraint replaced by <Rf>.
19677 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19679 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19680 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19681 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19683 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19684 "extenddftf2", "extendsftf2"): New expanders.
19685 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19686 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19687 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19688 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19690 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19691 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19692 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19693 __floatditf): Add a GCC_4.1.0 symbol version tag.
19694 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19697 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19700 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19701 Use targetm.binds_local_p instead of TREE_PUBLIC.
19703 2006-02-02 Roger Sayle <roger@eyesopen.com>
19705 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19706 on INTEGER_TYPEs to indicate that it denotes a character type.
19707 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19708 signed_char_type_node, unsigned_char_type_node and char_type_node.
19709 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19710 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19711 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19713 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19714 Daniel Berlin <dberlin@dberlin.org>
19716 * tree-tailcall.c (arg_needs_copy_p): New function.
19717 (eliminate_tail_call): Use arg_needs_copy_p.
19718 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19719 (add_virtual_phis): New function.
19721 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19723 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19724 #ignore instead of #scratch for %g7 .register directive.
19726 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19728 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19731 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19733 * flow.c (calculate_global_regs_live): Assert that there aren't any
19736 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19738 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19739 what its name says.
19740 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19741 bsi_after_labels iterator.
19742 * tree-if-conv.c (find_phi_replacement_condition,
19743 replace_phi_with_cond_modify_expr): Likewise.
19744 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19745 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19747 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19749 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19751 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19754 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19755 array after growing it.
19757 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19759 PR middle-end/24901
19760 * fold-const.c (fold_checksum_tree): Change type of buf.
19762 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19764 * reload.c (push_secondary_reload): Initialize t_icode.
19766 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19768 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19769 -msoft-float -mlong-double-128 only issue a warning, but don't
19770 swich to DFmode long double.
19772 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19774 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19775 has a constant equivalent, iterate over equivalents for arg0,
19776 calling simplify_relational_operation and if there's a result
19777 cheaper than X, apply fold_rtx and return the result.
19779 2006-02-01 Jan Hubicka <jh@suse.cz>
19781 * opts.c (no_unit_at_a_time_default): New global variable.
19782 (decode_options): Use it.
19783 * opts.h (no_unit_at_a_time_default): Declare.
19785 2006-02-01 Paul Brook <paul@codesourcery.com>
19787 * function.c (assign_parm_setup_reg): Use function argument promotion
19789 * expr.c (expand_expr_real_1): Use function argument promotion rules
19792 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19794 * gcc.c (process_command): Change j to 'unsigned int'.
19796 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19798 PR middle-end/26001
19799 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19800 Use the corrected index for the character
19801 out of the string constant.
19803 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19805 * mode-switching.c (optimize_mode_switching): Fix size
19806 allocated for bb_info[n_entities].
19808 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19810 * gcc.c (main): Correct type that is allocated for
19811 explicit_link_files.
19813 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19815 * config/s390/s390.c (init_alignment_context): Set
19816 ALIAS_SET_MEMORY_BARRIER on the MEM.
19817 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19819 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19821 PR middle-end/25933
19822 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19824 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19827 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19829 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19830 * regrename.c: Ditto.
19831 * tree-ssa-loop-im.c: Ditto.
19832 * tree-dump.c: Ditto.
19833 * tree-complex.c: Ditto.
19834 * genrecog.c: Ditto.
19835 * tree-ssa-threadupdate.c: Ditto.
19837 * java/class.c: Ditto.
19838 * java/jcf-parse.c: Ditto.
19839 * java/resource.c: Ditto.
19840 * java/except.c: Ditto.
19841 * java/jvspec.c: Ditto.
19842 * java/jcf-write.c: Ditto.
19843 * java/jcf-path.c: Ditto.
19844 * java/gjavah.c: Ditto.
19845 * java/zextract.c: Ditto.
19846 * java/jcf-io.c: Ditto.
19847 * java/jcf.h: Ditto.
19848 * java/buffer.c: Ditto.
19849 * java/lang.c: Ditto.
19850 * java/parse-scan.y: Ditto.
19851 * java/lex.c: Ditto.
19852 * java/lex.h: Ditto.
19853 * cfgloopmanip.c: Ditto.
19854 * postreload-gcse.c: Ditto.
19855 * tree-ssa-loop-manip.c: Ditto.
19856 * postreload.c: Ditto.
19857 * tree-ssa-loop-ch.c: Ditto.
19860 * cppspec.c: Ditto.
19861 * diagnostic.c: Ditto.
19863 * genoutput.c: Ditto.
19865 * cfghooks.c: Ditto.
19866 * cfgloopanal.c: Ditto.
19867 * objc/objc-act.c: Ditto.
19869 * genextract.c: Ditto.
19870 * genautomata.c: Ditto.
19871 * pretty-print.c: Ditto.
19872 * genemit.c: Ditto.
19873 * cgraphunit.c: Ditto.
19875 * df-scan.c: Ditto.
19876 * haifa-sched.c: Ditto.
19877 * dominance.c: Ditto.
19879 * tree-ssa-loop-ivopts.c: Ditto.
19880 * df-core.c: Ditto.
19881 * mode-switching.c: Ditto.
19882 * modulo-sched.c: Ditto.
19884 * ipa-pure-const.c: Ditto.
19886 * fix-header.c: Ditto.
19888 * tree-stdarg.c: Ditto.
19889 * ipa-utils.c: Ditto.
19890 * loop-init.c: Ditto.
19891 * ipa-inline.c: Ditto.
19892 * cfganal.c: Ditto.
19894 * alloc-pool.c: Ditto.
19895 * dwarf2out.c: Ditto.
19897 * genattrtab.c: Ditto.
19898 * tree-ssa-loop-ivcanon.c: Ditto.
19899 * predict.c: Ditto.
19900 * timevar.c: Ditto.
19902 * fortran/gfortranspec.c: Ditto.
19903 * regmove.c: Ditto.
19904 * local-alloc.c: Ditto.
19905 * langhooks.c: Ditto.
19906 * function.c: Ditto.
19907 * tree-vectorizer.c: Ditto.
19909 * ipa-type-escape.c: Ditto.
19911 * tree-if-conv.c: Ditto.
19912 * profile.c: Ditto.
19914 * tree-data-ref.c: Ditto.
19915 * loop-unroll.c: Ditto.
19916 * treelang/treetree.c: Ditto.
19918 * bt-load.c: Ditto.
19919 * ggc-common.c: Ditto.
19921 * coverage.c: Ditto.
19923 * tree-cfgcleanup.c: Ditto.
19924 * tree-ssa-pre.c: Ditto.
19925 * cfgcleanup.c: Ditto.
19926 * loop-invariant.c: Ditto.
19927 * loop-iv.c: Ditto.
19928 * ipa-prop.c: Ditto.
19929 * print-tree.c: Ditto.
19930 * conflict.c: Ditto.
19931 * ggc-page.c: Ditto.
19932 * sched-deps.c: Ditto.
19933 * regclass.c: Ditto.
19934 * tree-object-size.c: Ditto.
19935 * combine.c: Ditto.
19936 * bb-reorder.c: Ditto.
19937 * resource.c: Ditto.
19938 * var-tracking.c: Ditto.
19939 * cfgloop.c: Ditto.
19940 * df-problems.c: Ditto.
19941 * reg-stack.c: Ditto.
19943 * gccspec.c: Ditto.
19944 * sched-rgn.c: Ditto.
19945 * tree-ssa-structalias.c: Ditto.
19946 * tree-ssa-reassoc.c: Ditto.
19947 * config/darwin-c.c: Ditto.
19948 * config/darwin.c: Ditto.
19949 * config/arm/arm.c: Ditto.
19951 * collect2.c: Ditto.
19952 * reload1.c: Ditto.
19954 2006-01-31 Nicolas Pitre <nico@cam.org>
19956 * arm.md (smaxsi3): Make aware of smax_m1.
19959 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19961 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19963 2006-01-31 Richard Guenther <rguenther@suse.de>
19965 * doc/invoke.texi (-msselibm): Document.
19966 * target.h (expand_library_builtin): New target hook.
19967 * builtins.c (expand_builtin): Use expand_library_builtin.
19968 (default_expand_library_builtin): New function.
19969 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19970 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19971 (link_gcc_math_spec): Declare.
19972 (static_specs): Add link_gcc_math_spec.
19973 * expr.h (default_expand_library_builtin): Declare.
19974 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19975 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19976 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19977 * config/i386/i386.opt (msselibm): New target option.
19978 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19979 (ix86_init_sse_abi_builtins): New function.
19980 (ix86_expand_library_builtin): Likewise.
19981 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19982 (override_options): Handle error conditions wrt -msselibm.
19983 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19984 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19985 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19988 2006-01-31 Richard Guenther <rguenther@suse.de>
19989 Paolo Bonzini <bonzini@gnu.org>
19991 * doc/install.texi (--disable-libgcc-math): Document.
19993 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19995 * expr.h (expand_normal): new inline function.
19996 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19997 * dojump.c: use it.
19998 * dwarf2out.c: use it.
20001 * expmed.c: use it.
20002 * except.c: use it.
20003 * config/sparc/sparc.c: use it.
20004 * config/i386/i386.c: use it.
20005 * config/rs6000/rs6000.c: use it.
20006 * config/arm/arm.c: use it.
20007 * config/mips/mips.c: use it.
20008 * stmt.c: use it, use EXPAND_NORMAL explicitely.
20010 2006-01-30 Roger Sayle <roger@eyesopen.com>
20012 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20013 argv to the appropriate type.
20015 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
20017 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20020 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
20023 * config/s390/s390.c (struct machine_function): New flag
20024 decomposed_literal_pool_addresses_ok_p.
20025 (s390_reorg): Set it before final stage of literal pool transforms.
20026 (s390_decompose_address): Only accept displacements of the form
20027 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20029 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20031 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20032 the comparison routine return.
20034 2006-01-30 Michael Matz <matz@suse.de>
20036 * global.c (find_reg): Only evict for global regs.
20037 Take n_refs into account and dump more info.
20039 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20042 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20043 (pragma_trap, pragma_nosave_low_regs): Likewise.
20044 (current_function_anonymous_args): Likewise.
20045 (sh_deferred_function_attributes): New variable.
20046 (sh_deferred_function_attributes_tail): Likewise.
20047 (print_operand): For '@', look up trap_exit attribute.
20048 (calc_live_regs): Look up trapa_handler attribute. For trapa
20049 handlers, save/restore fpscr, but don't do any other
20050 interrupt-specific saves.
20051 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20052 Fix check for partially saved registers to check for SHmedia.
20053 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20054 (sh_output_function_epilogue): Don't clear any of the removed
20056 (sh_insert_attributes): Don't check pragma_interrupt.
20057 Insert deferred attributes. Check that interrupt attribute is
20058 present for other attributes that require its presence.
20059 (sh_attribute_table): Add new attributes trapa_handler and
20061 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20062 Don't check for pragma_interrupt. Don't store argument.
20063 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20064 (sh_deferred_function_attributes): Declare.
20065 (sh_deferred_function_attributes_tail): Likewise.
20066 * sh.md (sp_switch_1): Add operand. Change generator caller.
20067 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20068 (*return_i): Don't use when trap_exit attribute is in effect.
20069 (*return_trapa): New insn pattern.
20070 * sh-c.c: New file.
20071 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20072 setting c_target_objs and cxx_target_objs.
20073 * t-sh: Add rule for sh-c.o.
20075 2006-01-30 Richard Guenther <rguenther@suse.de>
20078 * gimplify.c (gimplify_target_expr): Handle easy cases
20079 without creating a temporary.
20081 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20083 * vec.h (safe_grow): Remove duplicated line.
20085 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20088 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20089 (expand_omp): ... here.
20090 (expand_omp_parallel): Only remove barriers for combined
20091 parallel+workshare constructs.
20093 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20097 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20098 * tree.c (build_qualified_type): Chain the new type to the original
20099 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20100 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20101 (build_pointer_type_for_mode): Only return unqualified types.
20102 (build_reference_type_for_mode): Likewise.
20104 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20106 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20107 * Makefile.in (CXX_COMPAT_WARN): Define.
20108 * configure: Regenerate.
20110 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20113 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20116 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20118 * toplev.c: Fix thinko.
20120 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20121 Marcin Dalecki <martin@dalecki.de>
20123 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20124 (push_srcloc): Use XNEW.
20125 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20127 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20129 * df-core.c (df_set_blocks): Deleted all variable.
20131 2006-01-28 Ian Lance Taylor <ian@airs.com>
20133 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20134 cgraph_output_pending_asms.
20136 2006-01-28 Zack Weinberg <zackw@panix.com>
20138 * c.opt: Add -W(no-)overlength-strings.
20139 * doc/invoke.texi: Document it.
20140 * c-opts.c (c_common_handle_option): -pedantic implies
20141 -Woverlength-strings, if not explicitly disabled already.
20142 (c_common_post_options): -Woverlength-strings defaults to off, and
20143 is always off for C++.
20144 * c-common.c (fix_string_type): Issue warning about strings longer
20145 than is portable only if warn_overlength_strings. Rearrange code
20146 a little for clarity.
20147 * configure.in: Check for -Wno-overlength-strings as well before
20148 enabling -pedantic in stage 1.
20149 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20150 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20152 * genconditions.c (write_header, write_one_condition)
20153 (write_conditions, write_writer): Consolidate very long strings
20154 that were broken up to fit in C89 portable limit. Don't use
20155 printf when fputs will do.
20157 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20159 * combine.c (simplify_comparison <AND>): Check
20160 TRULY_NOOP_TRUNCATION before start using a subreg.
20162 * config/mips/mips.md (*branch_zero<mode>,
20163 *branch_zero<mode>_inverted, *branch_equality<mode>,
20164 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20165 Remove mode check from comparisons.
20167 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20169 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20171 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20173 * expmed.c (const_mult_add_overflow_p): Remove.
20174 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20176 * recog.c (validate_replace_rtx_subexp): Remove.
20177 * recog.h: Remove the prototype for
20178 validate_replace_rtx_subexp.
20180 * integrate.h: Remove the prototype for
20181 copy_decl_for_inlining.
20182 * rtl.h: Remove the prototype for mark_constant_function.
20183 * tree-vectorizer.h: Remove the prototype for
20184 vect_strip_conversion.
20186 * modulo-sched.c (create_partial_schedule,
20187 free_partial_schedule, reset_partial_schedule): Make them
20190 * hooks.c (hook_bool_rtx_int_false): Remove.
20191 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20193 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20195 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20196 and -mlong-double-128 are incompatible.
20197 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20198 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20199 (TARGET_LIBGCC2_CFLAGS): Define.
20200 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20201 (TARGET_LIBGCC2_CFLAGS): Same.
20202 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20204 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20207 * c-typeck.c (build_binary_op): Perform implicit casts of
20208 operands before shortening them.
20210 * cfgloopmanip.c (split_loop_bb): Remove.
20211 * cfgloop.h: Remove the prototype for split_loop_bb.
20213 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20214 * cfgloop.h: Remove the prototype for
20215 flow_loop_outside_edge_p.
20217 * emit-rtl.c (init_virtual_regs): Make it static.
20218 * function.h: Remove the prototype for init_virtual_regs.
20220 * recog.c (peephole2_optimize): Make it static.
20221 * recog.h: Remove the prototype for peephole2_optimize.
20223 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20225 * df-scan.c (df_record_entry_block_defs): Check if
20226 INCOMING_RETURN_ADDR_RTX is defined.
20228 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20229 Kenneth Zadeck <zadeck@naturalbridge.com>
20231 PR rtl-optimization/24762
20232 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20233 * targhooks.c (hook_void_bitmap): New hook prototype.
20234 * targhoohs.h (hook_void_bitmap): Ditto.
20235 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20236 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20237 * target.h (live_on_entry): New function pointer.
20238 * df-scan.c (df_all_hard_regs): Removed.
20239 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20240 (df_scan_free_internal): Added df->entry_block_defs.
20241 (df_scan_alloc): Ditto.
20242 (df_scan_dump): Ditto.
20243 (df_uses_record): Plumbed flag field properly thru calls.
20244 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20245 This part fixes PR24762.
20246 (df_bb_refs_record): Added code to make the frame and arg
20247 pointers live in EH blocks.
20248 (df_refs_record): Added call to df_record_entry_block_defs.
20249 (df_record_entry_block_defs): New function.
20250 * df-core.c: Added comments to describe new artifical defs.
20251 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20252 (entry_block_defs): New field in struct df.
20253 (df_all_hard_regs): Deleted.
20254 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20255 * df-problems.c (df_ru_bb_local_compute_process_def):
20256 Added code to handle artifical defs in the entry to a function.
20257 (df_ru_bb_local_compute): Ditto.
20258 (df_rd_bb_local_compute_process_def): Ditto.
20259 (df_rd_bb_local_compute): Ditto.
20260 (df_lr_bb_local_compute): Ditto.
20261 (df_ur_bb_local_compute): Ditto.
20262 (df_urec_bb_local_compute): Ditto.
20263 (df_chain_create_bb): Ditto.
20264 (df_ur_local_finalize): Removed entry.
20265 (df_urec_init): Ditto.
20266 (df_urec_local_finalize): Ditto.
20267 (df_ri_bb_compute): Added detection of last use of pseudos.
20268 * Makefile.in (df-scan.o): Updated dependencies.
20269 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20270 * config/mips/mips.c (mips_set_live_on_entry): Added.
20271 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20273 * dce.c (marked_insn_p): Added code to handle artifical defs.
20275 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20277 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20279 (_mm_cvtsi128_si64): Likewise.
20280 (_mm_cvtsd_si64): Likewise.
20281 (_mm_cvttsd_si64): Likewise.
20282 (_mm_cvtsi64_sd): Likewise.
20283 (_mm_cvtsi64_si128): Likewise.
20284 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20285 (_mm_cvtsi64_m64): Likewise.
20286 (_m_to_int64): Likewise.
20287 (_mm_cvtm64_si64): Likewise.
20288 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20289 (_mm_cvttss_si64): Likewise.
20290 (_mm_cvtsi64_ss): Likewise.
20291 (_mm_cvtss_f32): Likewise.
20293 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20295 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20296 for pragma redefine_extname.
20298 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20301 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20302 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20303 -mno-minimal-toc to previous content.
20304 (bispecs): Remove goal.
20305 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20306 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20307 compatibility aliases on powerpc-*-*gnu*.
20308 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20309 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20310 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20311 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20312 (ldblspecs): New goal.
20313 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20314 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20316 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20317 L_sf_to_tf or L_df_to_tf is defined.
20319 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20320 Alan Modra <amodra@bigpond.net.au>
20323 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20324 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20325 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20326 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20327 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20328 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20329 (rs6000_override_options): Initialize rs6000_ieeequad.
20330 Initialize TFmode format to ibm_extended_format if not
20332 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20334 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20335 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20336 (function_arg_advance): IBM long double passed in two FPRs, not
20338 (function_arg): IBM long double passed in FPRs.
20339 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20340 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20341 Only multireg GPR aligned.
20342 (rs6000_init_libfuncs): Enable IBM long double functions if not
20344 (rs6000_generate_compare): Use IBM long double compare if not
20346 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20347 (TARGET_IEEEQUAD): Define.
20348 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20349 not TARGET_IEEEQUAD.
20350 * config/rs6000/rs6000.md: Enable TFmode patterns if
20352 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20353 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20354 and -mlong-double-128 are incompatible.
20355 * doc/invoke.texi (-mabi): Collect options together. Add
20356 ibmlongdouble and ieeelongdouble.
20358 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20360 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20362 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20363 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20364 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20365 * rtl.h (rtunion_def): Remove rt_ptr.
20367 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20368 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20369 * config/i386/winnt.c (i386_pe_mark_dllexport)
20370 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20372 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20374 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20376 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20380 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20381 pthread_key_delete. From John David Anglin. gthrw-ify
20382 pthread_getunique_np only if it it's not a macro. Delete
20384 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20385 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20386 __gthread_objc_condition_signal, __gthread_key_delete): Add
20387 "__attribute__ ((__unused__))" to unused arguments.
20388 (__gthread_recursive_mutex_init_function): Add missing return.
20389 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20390 gthr-posix95.h: Use macro-based approach for name redirection
20391 on targets missing weakref.
20393 2006-01-26 Zack Weinberg <zackw@panix.com>
20395 * genconditions.c (write_header): In generated code, #ifdef out
20396 all includes and fake declarations, except includes of bconfig.h
20397 and system.h, unless GCC_VERSION >= 3001. Do not include
20398 gensupport.h in any case.
20399 (write_conditions): Generate a definition of struct c_test. Add
20400 a comment to the generated #endif.
20401 (write_one_condition): Escape backslashes in string too.
20402 (write_writer): Generated code must escape backslashes and quote
20403 marks (but not newlines) in the strings it writes.
20404 * Makefile.in (build/gencondmd.o): Update dependencies.
20406 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20409 * Makefile.in (insn-automata.o): Add header file dependencies.
20410 * genautomata.c: Add includes.
20412 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20415 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20417 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20419 * configure.ac: Expect target tools paths to be passed from the toplevel
20420 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20422 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20424 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20427 * c.opt (Wpointer-sign): Init to -1.
20428 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20429 OPT_pedantic, to 0 otherwise.
20430 * doc/invoke.texi: Update.
20432 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20434 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20435 constants provided by 80387 instructions in the destination mode.
20437 2006-01-26 Richard Guenther <rguenther@suse.de>
20438 Andrew Pinski <pinskia@physics.uc.edu>
20441 partial PR tree-opt/17064
20442 * tree-ssa-structalias.c (intra_create_variable_infos):
20443 Create heap variables for incoming parameters if
20444 flag_argument_noalias > 1.
20445 (find_what_p_points_to): Look through default defs of
20448 2006-01-26 Jeff Law <law@redhat.com>
20451 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20452 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20453 within the VR_RANGE, use the VR_RANGE as the result, not the
20455 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20456 bounds for the type.
20458 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20460 * tree-ssa-alias.c (maybe_create_global_var): Change
20461 subvar walking to an assertion that we don't have subvar'd variables.
20463 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20466 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20467 Use a new variable, inner. PARM_DECLs are always non-weak.
20469 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20471 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20472 --disable-checking.
20474 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20476 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20478 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20480 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20481 (smax_insn, smin_insn, smax_0, smin_0): New.
20483 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20486 * config/cris/cris.c (cris_order_for_addsi3): New function.
20487 * config/cris/cris-protos.h: Prototype it.
20488 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20489 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20490 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20491 (split for "op.S1 [rx=rx+i],ry (swapped)")
20492 (split for "op(s|u).S1 [rx=rx+i],ry")
20493 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20494 Apply cris_order_for_addsi3 when generating addsi3 insns.
20496 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20498 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20499 (TREE_BLOCK): Add call to EXPR_CHECK.
20501 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20504 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20505 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20506 (dump_omp_clauses): ... here.
20507 (dump_generic_node): Handle OMP_CLAUSE.
20508 * tree.c (omp_clause_num_ops): New.
20509 (omp_clause_code_name): New.
20510 (tree_code_size): Handle OMP_CLAUSE.
20511 (tree_size): Likewise.
20512 (make_node): Document handling of OMP_CLAUSE.
20513 (tree_node_structure): Handle OMP_CLAUSE.
20514 (omp_clause_check_failed): New.
20515 (omp_clause_range_check_failed): New.
20516 (omp_clause_operand_check_failed): New.
20517 (build_omp_clause): New.
20518 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20519 * tree.h (enum omp_clause_code): Declare.
20520 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20521 (OMP_CLAUSE_RANGE_CHECK): Define.
20522 (OMP_CLAUSE_ELT_CHECK): Define.
20523 (omp_clause_check_failed): Declare.
20524 (omp_clause_operand_check_failed): Declare.
20525 (omp_clause_range_check_failed): Declare.
20526 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20527 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20528 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20529 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20530 (OMP_CLAUSE_IF_EXPR): Likewise.
20531 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20532 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20533 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20534 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20535 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20536 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20537 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20538 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20539 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20540 (OMP_CLAUSE_CODE): Define.
20541 (OMP_CLAUSE_SET_CODE): Define.
20542 (OMP_CLAUSE_CODE): Define.
20543 (OMP_CLAUSE_OPERAND): Define.
20544 (struct tree_omp_clause): Declare.
20545 (union tree_node): Add field 'omp_clause'.
20546 * treestruct.def (TS_OMP_CLAUSE): Define.
20547 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20548 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20549 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20550 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20551 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20552 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20553 (OMP_CLAUSE): Define.
20554 * print-tree.c (print_node): Handle OMP_CLAUSE.
20555 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20556 * c-typeck.c: Likewise.
20557 * gimplify.c: Likewise.
20558 * c-omp.c: Likewise.
20559 * tree-nested.c: Likewise.
20560 * tree-inline.c: Likewise.
20561 * c-parser.c: Likewise.
20562 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20565 2006-01-25 Roger Sayle <roger@eyesopen.com>
20567 PR rtl-optimization/25703
20568 * combine.c (try_combine): Handle zero_extract and strict_low_part
20569 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20571 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20573 * global.c: Fix comment typos.
20575 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20578 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20579 Use output_addr_const instead of assemble_name.
20581 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20583 * Makefile.in (sched-vis.o): Update dependencies.
20584 * haifa-sched.c (sched_finish): Clear current_sched_info.
20585 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20586 (dump_flow_info): Call it.
20587 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20589 * basic-block.h (dump_bb_info): Declare.
20590 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20591 option, and apply options only for dump files whose TDF_RTL,
20592 TDF_TREE, or TDF_IPA bits match.
20593 * rtl.h: Declare new functions exported from sched-vis.c.
20594 * sched-vis.c: Enable also if scheduling is not used.
20595 (print_value): Print the mode of registers if not inside scheduling.
20596 (print_insn): Make it work outside the scheduler. Beautify the output
20598 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20600 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20602 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20603 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20604 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20605 depending on the value of CONSTANT_POOL_ADDRESS_P.
20606 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20608 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20609 rather than SYMBOL_REF_DECL.
20610 (rtx_constant_pool): Remove const_rtx_sym_htab.
20611 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20612 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20613 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20614 Remove handling of const_rtx_sym_htab.
20615 (find_pool_constant): Delete.
20616 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20617 rather than find_pool_constant.
20618 (get_pool_constant_for_function): Delete.
20619 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20620 find_pool_constant.
20621 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20622 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20623 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20624 (SYMBOL_REF_CONSTANT): New macro.
20625 (get_pool_constant_for_function): Delete.
20626 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20627 rather than SYMBOL_REF_DECL.
20628 (i386_pe_mark_dllimport): Likewise.
20629 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20630 rather than SYMBOL_REF_DECL.
20631 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20632 (machopic_indirect_call_target): Likewise.
20634 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20636 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20638 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20640 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20642 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20644 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20646 2006-01-24 David Daney <ddaney@avtrex.com>
20649 * configure.ac (enable_tls): New enable option.
20650 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20651 * configure: Regenerate.
20652 * doc/install.texi (--enable-tls): Document new option.
20653 (--disable-tls): Ditto.
20655 2006-01-24 Richard Henderson <rth@redehat.com>
20657 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20658 * alias.c (true_dependence): Respect it.
20659 (canon_true_dependence, write_dependence_p): Likewise.
20660 * builtins.c (get_builtin_sync_mem): Set it.
20662 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20664 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20667 2006-01-24 DJ Delorie <dj@redhat.com>
20669 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20670 for storing constants in single-bit bitfields.
20672 2006-01-25 Ben Elliston <bje@au.ibm.com>
20674 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20676 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20679 * tree-ssa-pre.c (phi_translate): Return NULL
20680 for AGGREGATE_TYPE's.
20682 2006-01-24 Zack Weinberg <zackw@panix.com>
20684 * genautomata.c (process_state_for_insn_equiv_partition):
20685 Use xcalloc for insn_arcs_array.
20686 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20687 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20689 2006-01-24 Richard Henderson <rth@redhat.com>
20691 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20692 update all callers.
20694 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20696 PR rtl-optimization/25890
20697 PR rtl-optimization/25905
20698 * combine.c (expand_compound_operation, expand_field_assignment):
20699 Fail if the bitfield's final position is out of bounds.
20701 2006-01-24 Ian Lance Taylor <ian@airs.com>
20703 PR middle-end/25930
20704 * cgraphunit.c (cgraph_output_in_order): Don't clear
20705 cgraph_asm_nodes until after asm strings have been output.
20707 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20709 * fix-header.c (read_scan_file): Add new parameter imultilib when
20710 calling register_include_chains.
20712 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20714 * omp-low.c: Update documentation.
20716 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20717 Daniel Berlin <dberlin@dberlin.org>
20721 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20722 return from the function.
20724 2006-01-22 Zack Weinberg <zackw@panix.com>
20726 * rtl.def (match_code): Add second argument.
20727 * genpreds.c (write_extract_subexp): New function.
20728 (write_match_code): Add path argument. Use write_extract_subexp.
20729 (write_predicate_expr): Pass path to write_match_code.
20730 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20731 not perform a mode test.
20732 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20733 a subexpression does not constrain the top-level code set.
20734 * read-rtl.c (read_rtx_variadic): New function.
20735 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20736 * doc/md.texi: Document new notation.
20737 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20738 (cmpsi_operand): ... here, using new notation.
20740 2006-01-22 Zack Weinberg <zackw@panix.com>
20742 * varray.c: Remove GENERATOR_FILE #ifdefs.
20744 2006-01-22 Zack Weinberg <zackw@panix.com>
20746 * genautomata.c (output_reserved_units_table): Emit nothing if
20747 description->query_units_num is zero. Remove extra blank line.
20748 (output_cpu_unit_reservation_p): Short circuit
20749 if description->query_units_num is zero.
20751 2006-01-22 Zack Weinberg <zackw@panix.com>
20753 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20754 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20755 nor any of the random handful of variables that used to be necessary
20756 when this program was linked with rtlanal.o. Prune set of forward
20757 function declarations.
20758 (struct attr_desc): Remove static_p field.
20759 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20760 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20761 (attr_string): Do not read the character one past the length of
20763 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20764 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20765 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20766 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20767 (make_automaton_attrs): New.
20768 (main): Do not call into genautomata. Call local gen_bypass
20769 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20770 Remove special case for insn_alts.
20771 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20772 varray.h (leftover from previous change). Prune set of forward
20773 function declarations. Remove state_alts fields from all
20774 structures. Remove state_alts_table from struct automaton.
20775 Make everything except main static. Do not maintain num_dfa_decls.
20776 Do not maintain state_alts fields of various structures.
20777 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20778 (add_arc): Remove state_alts argument. All callers updated.
20779 (output_reserved_units_table): Emit #ifdef here...
20780 (output_tables): ...not here. Don't generate state_alts tables.
20781 (expand_automata): Don't generate attributes.
20782 (write_automata): Don't generate state_alts functions.
20783 (main): New function.
20784 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20785 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20786 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20787 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20788 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20789 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20790 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20791 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20793 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20794 * genattrtab.h: Delete file.
20795 * Makefile.in (OBJS-common): Add insn-automata.o.
20796 (insn-automata.o): New rule.
20797 (simple_generated_c): Add insn-automata.c.
20798 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20799 (genprogmd): Add automata.
20800 (build/genattrtab): Needs no extra objects nor libraries.
20801 (build/genautomata): Needs build/vec.o and -lm.
20803 2006-01-22 Zack Weinberg <zackw@panix.com>
20805 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20806 (output_dfa_max_issue_rate, locked_states_num): Delete.
20807 (struct automaton): Add locked_states field.
20808 (output_dead_lock_vect): Save number of locked states in
20809 automaton->locked_states. If it is zero, don't print anything.
20810 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20811 (output_internal_dead_lock_func): Only test the dead_lock_vect
20812 for automata that have locked states.
20813 (output_statistics): Always print the number of locked states for
20814 each automaton. Calculate total number of locked states here.
20815 (write_automata): Don't call output_dfa_max_issue_rate.
20816 * genattrtab.c: Define length_unit_log as a const variable.
20817 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20818 max_insn_queue_index const.
20819 * final.c (length_unit_log): Declare const.
20820 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20822 2006-01-22 Zack Weinberg <zackw@panix.com>
20824 * genautomata.c: Include vec.h, not varray.h.
20825 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20826 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20827 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20828 VEC_* macros operating on appropriately typed vectors, or to
20829 malloced arrays when the size is known in advance. Const-ify
20830 many char* variables and function arguments. No functional changes.
20831 * Makefile.in (build/varray.o): Delete rule.
20832 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20833 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20835 2006-01-22 Zack Weinberg <zackw@panix.com>
20837 * gensupport.c: Define get_insn_name and record_insn_name here.
20838 (read_md_rtx): Call record_insn_name as appropriate.
20839 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20840 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20841 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20843 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20844 (BUILD_VARRAY): Delete.
20845 (genprognormal): Rename genprogmd. Fold in all programs from
20846 genprognoprint; also attrtab.
20847 (build/genattrtab): Just mention genautomata.o and varray.o.
20848 Reorganize a bit, add comments to make the categories clearer.
20850 2006-01-22 Zack Weinberg <zackw@panix.com>
20852 * genconditions.c (condition_table, add_condition): Delete.
20853 (write_conditions): Don't emit n_insn_conditions nor
20854 insn_elision_unavailable. Issue the gcc version #ifdef here,
20855 inside the table, with no #else clause ...
20856 (write_header): ...not here.
20857 (write_writer): New function.
20858 (main): Don't initialize condition_table. Use add_c_test.
20860 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20861 files on the command line.
20862 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20863 Return -1 if there is no entry in the table, don't abort.
20864 (add_c_test, traverse_c_tests): New functions.
20865 * gensupport.h (insn_elision_unavailable, insn_conditions)
20866 (n_insn_conditions): Delete declarations.
20867 (add_c_test, traverse_c_tests): Declare.
20868 * read-rtl.c: Include gensupport.h.
20869 (read_conditions): New function.
20870 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20871 (read_rtx_1): If we get EOF when we were looking for an initial
20872 open paren, return 0. Call read_conditions when appropriate.
20873 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20874 dummy-conditions.o. Eliminate references to insn-conditions.o,
20875 or change them to build/gencondmd.o, as appropriate. Remove
20876 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20877 from $(simple_generated_c). For all files remaining in those
20878 two lists, add insn-conditions.md to the generator command line.
20879 Give insn-constants.h/s-constants their own rules. Add rules
20880 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20881 (build/read-rtl.o): Depend on gensupport.h.
20882 (genprognormal): Include preds.
20883 (genprogearly): Rename genprognoprint; only difference is now that
20884 they don't link with $(BUILD_PRINT).
20885 * dummy-conditions.c: Delete.
20887 2006-01-22 Zack Weinberg <zackw@panix.com>
20889 * genextract.c: Don't include insn-config.h. Do include vec.h.
20890 Declare vectors of int, char, and locstr.
20891 (locstr): New typedef.
20892 (struct extraction): Make all array fields into bare pointers.
20893 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20894 (insn_code_number): Delete.
20895 (accum_extract): New struct.
20896 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20897 (gen_insn): Take insn_code_number as an argument. Use an
20898 accum_extract structure instead of loading data directly into
20899 a struct extraction, and having to know how big it might get.
20900 (walk_rtx): Operate entirely on an accum_extract structure.
20901 (print_path): Avoid unnecessary use of printf.
20902 (print_header): New function, split out of main. Distinguish
20903 more carefully between an unrecognizable insn and an insn that
20904 has the code number of a define_expand.
20905 (main): Pass insn_code_number to gen_insn. Call print_header
20906 only after parsing. Avoid unnecessary use of printf.
20907 * Makefile.in (build/vec.o): New rule.
20908 (build/genextract): Depend on build/vec.o.
20909 (build/genextract.o): Don't depend on insn-config.h.
20911 2006-01-22 Zack Weinberg <zackw@panix.com>
20913 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20914 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20915 practical. Eliminate per-generator-program link rules.
20917 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20919 PR middle-end/24437
20920 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20921 with a call expr to ...
20922 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20924 2006-01-23 Richard Guenther <rguenther@suse.de>
20926 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20927 before make_edge with conditional EDGE_TRUE_VALUE.
20929 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20930 Jan Hubicka <jh@suse.cz>
20931 Richard Guenther <rguenther@suse.de>
20933 PR rtl-optimization/25654
20934 * cfgexpand.c (aggregate_contains_union_type): New function.
20935 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20936 for structure variables that contain a union type.
20938 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20940 * gengtype.c (new_structure): Return the structure.
20941 (create_option): Add an extra "next" argument.
20942 (create_field): New function.
20943 (adjust_field_rtx_def): Use create_option and create_field.
20944 Remove a now-unnecessary call to find_structure.
20945 (adjust_field_tree_def): Likewise.
20946 (note_yacc_type): Remove an unnecessary call to find_structure.
20947 * gengtype.h (new_structure): Return the structure.
20948 (create_option): Add an extra argument.
20949 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20950 (option): Adjust calls to create_option.
20952 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20954 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20956 2006-01-22 Paul Brook <paul@codesourcery.com>
20957 Peter Barada <peter@the-baradas.com>
20959 * config/m68k/m68k.md: Add Coldfire FPU support.
20960 Define FP mode macro and associated attributes.
20961 Use it for float mode patterns.
20962 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20963 (LIBCALL_VALUE): Use m68k_libcall_value.
20964 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20965 (m68k_function_value): Ditto.
20966 (emit_move_sequence): Ditto.
20967 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20968 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20969 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20970 (MULTILIB_EXCEPTIONS): Ditto.
20971 * config/m68k/m68k.opt: Add mcfv4e.
20972 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20973 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20974 (m68k_output_function_prologue): Save ColdFire FPU registers.
20975 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20976 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20977 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20978 ColdFire FPU registers.
20979 (m68k_libcall_value, m68k_function_value): New functions.
20980 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20981 (LIBCALL_VALUE): Use m68k_libcall_value.
20982 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20983 (MASK_COLDFIRE): Add MASK_CFV4E.
20984 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20985 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20986 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20987 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20988 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20989 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20990 * doc/invoke.tex: Document -mcfv4e on m68k.
20992 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20994 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20997 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
21000 * c-opts.c (c_common_handle_option): Don't include
21001 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21002 * doc/invoke.texi (C++ Dialect Options): Document that
21003 -Wnon-virtual-dtor is no longer included in -Wall.
21005 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
21007 * gcov.c (print_version), gcov-dump.c (print_version),
21008 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21011 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
21013 * df-scan.c (problem_SCAN): Added NULL reset function.
21014 (df_scan_reset_blocks): Added code to call reset block function
21015 (df_bb_refs_delete) Fixed comment.
21016 (df_insn_refs_delete): Made tolerant of deleting non existent info
21017 for dataflow problems that need to be reset.
21018 * df-core.c (df_set_blocks): Ditto.
21019 * df.h (struct df_problem): Added reset_fun.
21020 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21021 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21022 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21023 functions to clear out all references to def-use or use-def chains.
21025 2006-01-21 Ben Elliston <bje@au.ibm.com>
21027 * varasm.c (assemble_real): Initialise data array.
21029 2006-01-20 Paul Brook <paul@codesourcery.com>
21031 Merge from csl-arm-branch.
21032 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21033 * config/arm/arm.md (movdi): Force operands[1] to a register
21034 if we have a non-register source.
21035 (*arm_movdi, *movdf_soft_insn): Require that one of the
21036 operands be a register.
21037 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21038 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21040 2006-01-20 DJ Delorie <dj@redhat.com>
21042 * varasm.c (initializer_constant_valid_p): Allow pointers
21043 initialized from integer constants of lesser precision.
21044 (output_constant): Allow non-int-sized pointer modes to be
21045 initialized from integer constants.
21047 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21050 * cppdefault.h (struct default_include): Add multilib flag.
21051 * cppdefault.c (cpp_include_defaults): Set it.
21052 * c.opt (-imultilib): New option.
21053 * c-opts.c (imultilib): New.
21054 (c_common_handle_option): Handle -imultilib.
21055 (c_common_post_options): Likewise.
21056 * c-incpath.c (add_standard_paths, register_include_chains):
21058 * c-incpath.h (register_include_chains): Add extra parameter.
21059 * gcc.c (do_spec_1): Generate -imultilib option.
21060 (The Specs Language): Update %I description.
21061 (process_command): Update copyright notice.
21062 * doc/cppopts.texi (-imultilib): Document.
21063 * doc/invoke.texi (-imultilib): Include in option summary.
21064 (%I): Update specs documentation.
21066 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21068 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21070 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21072 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21075 2006-01-20 Richard Guenther <rguenther@suse.de>
21076 Steven Bosscher <stevenb.gcc@gmail.com>
21078 PR rtl-optimization/24626
21079 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21080 EDGE_TRUE_VALUE if in RTL mode.
21083 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21084 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21086 2006-01-20 Dirk Mueller <dmueller@suse.com>
21089 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21090 instead of a special NOP marker.
21091 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21092 NOP marker handling.
21093 * c-common.h (empty_body_warning): Add forward declaration.
21094 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21095 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21097 2006-01-20 Paul Brook <paul@codesourcery.com>
21099 * Makefile.in (lang_checks): Keep going if mkdir fails.
21101 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21103 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21104 be able to clean out basic block when not necessary.
21105 (df_scan_free): Fixed to properly delete information if df is
21106 unused before calling df_finish.
21107 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21108 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21110 (df_bb_refs_delete): New function.
21111 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21112 * df-core.c (df_set_blocks): Added code to properly clean out
21113 unused blocks if they are not part of the blocks to consider.
21114 Added additional null check.
21115 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21116 be able to clean out basic block when not necessary
21117 * df.h (df_free_bb_function): Ditto.
21118 (df_bb_refs_delete): New function.
21119 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21120 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21121 basic block parameter to be able to clean out basic block when not
21123 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21124 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21125 Fixed to properly delete information if df is unused before
21128 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21130 PR rtl-optimization/25799
21131 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21132 Corrected confluence operator to remove bits from op2 before oring
21133 with op1 rather than removing bits from op1.
21134 (df_ru_transfer_function): Corrected test on wrong bitmap which
21135 caused infinite loop. Both of these problems were introduced in
21136 the dataflow rewrite.
21138 2006-01-19 DJ Delorie <dj@redhat.com>
21140 * reload1.c (find_reload_regs): Note the details of reload
21141 failures in the dump file.
21142 (spill_failure): Likewise.
21144 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21146 * loop-iv.c: Include df.h and hashtab.h.
21147 (enum iv_grd_result): New enum.
21148 (DF_REF_IV, DF_REF_IV_SET): New macros.
21149 (struct biv_entry): New.
21150 (df, bivs): New global variables.
21151 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21152 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21154 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21155 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21156 analyzed_for_bivness_p, record_biv): New functions.
21157 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21158 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21159 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21161 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21163 (iv_number_of_iterations): Use new interface to iv analysis.
21164 * loop-unroll.c: Do not include varray.h.
21165 (analyze_iv_to_split_insn): Use new interface to iv
21167 * loop-unswitch.c (may_unswitch_on): Ditto.
21168 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21170 (df_bb_modify): Realloc tables to the new index.
21171 (df_find_use): New function.
21172 * df.h (df_find_use): Declare.
21173 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21175 * cfgloop.h (struct rtx_iv): Remove analysed field.
21176 (iv_get_reaching_def): Removed.
21177 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21178 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21179 (loop-iv.o): Add df.h and hashtab.h dependency.
21180 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21182 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21185 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21187 (__floatundisf, __floatundidf): Likewise.
21188 * libgcc2.h (IS_IBM_EXTENDED): Define.
21190 2006-01-19 DJ Delorie <dj@redhat.com>
21192 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21194 2006-01-19 Paul Brook <paul@codesourcery.com>
21196 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21197 as nothrow when unwinding tables are disabled.
21199 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21202 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21203 of bit-field" when in system header.
21205 2006-01-19 DJ Delorie <dj@redhat.com>
21207 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21208 the 16 bit shift limit of the m16c.
21210 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21213 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21214 * config/i386/i386.c (output_set_got): Output the label if we have one
21215 for the TARGET_DEEP_BRANCH_PREDICTION case.
21217 2006-01-19 Jan Hubicka <jh@suse.cz>
21218 H.J. Lu <hongjiu.lu@intel.com>
21219 Evandro Menezes <evandro.menezes@amd.com>
21221 * invoke.texi (generic): Document
21223 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21224 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21225 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21226 (x86_use_incdec, x86_pad_returns): New variables
21227 (TARGET_CPU_DEFAULT_generic): New constant
21228 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21229 (enum processor_type): Add generic32 and generic64.
21230 * i386.md (cpu attribute): Add generic32/generic64
21231 (movhi splitter): Behave sanely when both partial_reg_dependency and
21232 partial_reg_stall are set.
21233 (K8 splitters): Enable for generic as well.
21234 * predicates.md (incdec_operand): Use TARGET_INCDEC
21235 (aligned_operand): Avoid memory mismatch stalls.
21236 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21237 * ppro.md: Enable for generic32
21238 * i386.c (generic64_cost, generic32_cost): New.
21239 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21240 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21241 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21242 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21243 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21244 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21245 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21246 x86_accumulate_outgoing_args, x86_prologue_using_move,
21247 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21248 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21249 Enable for generic.
21250 (x86_use_incdec, x86_pad_returns): New.
21251 (override_options): Add generic32 and generic64, translate "generic"
21252 to generic32/generic64 and "i686" to "generic32", refuse
21253 "generic32"/"generic64" as arch target.
21254 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21255 (ix86_reorg): Honor PAD_RETURNS.
21257 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21259 * tree-pretty-print.c (dump_generic_node): Handle
21260 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21261 * cgraph.c (cgraph_expand_queue): Rename from
21262 cgraph_analyze_queue. Update all users.
21263 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21264 cgraph_expand_queue.
21265 (cgraph_expand_all_functions): Likewise.
21266 (cgraph_finalize_pending_functions): Remove. Update callers.
21268 * tree.h (OMP_DIRECTIVE_P): Define.
21269 (OMP_PARALLEL_FN): Define.
21270 (OMP_PARALLEL_DATA_ARG): Define.
21271 (OMP_SECTIONS_SECTIONS): Define.
21272 * tree-pass.h (pass_expand_omp): Declare.
21273 * omp-low.c (struct omp_region): Declare.
21274 (struct omp_context): Remove fields 'parallel_type',
21275 'parallel_start_ix' and 'parallel_start_additional_args'.
21277 (struct omp_for_data): Rename from struct expand_omp_for_data.
21278 (omp_regions): New static variable.
21279 (root_omp_region): New static variable.
21280 (find_omp_clause): Make static.
21281 (is_in_combined_parallel_ctx): Remove.
21282 (is_combined_parallel): New.
21283 (extract_omp_for_data): Move earlier in the file.
21284 (workshare_safe_to_combine_p): New.
21285 (get_ws_args_for): New.
21286 (determine_parallel_type): Move earlier in the file.
21287 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21289 (omp_copy_decl): Likewise.
21290 (create_omp_child_function): Likewise.
21291 (lookup_omp_region): New.
21292 (dump_omp_region): New.
21293 (debug_omp_region): New.
21294 (debug_all_omp_regions): New.
21295 (new_omp_region): New.
21296 (scan_omp_parallel): If parallel_nesting_level > 1, the
21297 directive is nested within another parallel directive.
21298 Set OMP_PARALLEL_FN.
21299 (scan_omp_for): Do not try to handle combined parallel+for
21301 Remove FIXME comment.
21302 (scan_omp_nested): Remove.
21303 (scan_omp_1): Do not call scan_omp_nested when
21304 parallel_nesting_level is > 1.
21305 Do not change the DECL_CONTEXT of local variables found.
21306 (lookup_decl_in_outer_ctx): New.
21307 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21308 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21309 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21310 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21311 If CTX is nested, lookup VAR in the outer context when
21312 building copy assignment.
21313 (lower_send_clauses): Rename from expand_send_clauses.
21314 If CTX is nested, lookup VAR in the outer context when
21315 building copy assignments.
21316 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21317 If CTX is nested, lookup VAR in the outer context when
21318 building copy assignments.
21319 (expand_parallel_call): Rename from build_parallel_call.
21320 Handle combined parallel+workshare cases.
21321 Re-implement to emit code into the CFG.
21323 (expand_omp_parallel): Re-implement to emit code into the CFG.
21324 Call move_sese_region_to_fn to outline the sub-graph
21325 containing the parallel region.
21326 (expand_omp_for_1): Remove.
21327 (expand_omp_for_generic): Re-implement to emit code into the
21329 (expand_omp_for_static_nochunk): Likewise.
21330 (expand_omp_for_static_chunk): Likewise.
21331 (expand_omp_for): Likewise.
21332 (expand_omp_sections): Likewise.
21333 (remove_exit_barriers): New.
21334 (expand_omp_synch): New.
21336 (build_omp_regions_1): New.
21337 (build_omp_regions): New.
21338 (execute_expand_omp): New.
21339 (gate_expand_omp): New.
21340 (pass_expand_omp): Define.
21341 (lower_omp_sections): Rename from expand_omp_sections.
21342 Set OMP_SECTIONS_SECTIONS.
21343 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21344 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21345 (lower_omp_single): Rename from expand_omp_simple.
21346 (lower_omp_master): Rename from expand_omp_master.
21347 (lower_omp_ordered): Rename from expand_omp_ordered.
21348 (lower_omp_critical): Rename from expand_omp_critical.
21349 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21350 (lower_omp_for): Re-implement.
21351 (lower_omp_parallel): Re-implement.
21352 (lower_regimplify): Rename from expand_regimplify.
21353 (lower_omp_1): Rename from expand_omp_1.
21354 If there are syntax errors in the program, replace every
21355 OpenMP directive with NOP.
21356 Call lower_omp_* instead of expand_omp_*.
21357 (lower_omp): Rename from expand_omp.
21359 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21360 * tree-gimple.h (enum omp_parallel_type): Remove.
21361 (gimple_boolify): Declare extern.
21362 (find_omp_clause, determine_parallel_type): Remove.
21364 * gimple-low.c (lower_omp_directive): New.
21365 (lower_stmt): Call it.
21366 (record_vars_into): Move from ...
21367 (record_vars): ... here.
21368 Call record_vars_into with current_function_decl.
21370 * gimplify.c (struct gimplify_ctx): Remove fields
21371 combined_pre_p and combined_ctxp. Update users.
21372 (get_formal_tmp_var): Add documentation.
21373 (gimple_boolify): Make extern.
21374 (gimplify_expr_in_ctx): Remove. Update callers.
21375 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21376 will always be a BIND_EXPR.
21377 (gimplify_expr): Handle OMP_RETURN_EXPR.
21378 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21379 (OMP_PARALLEL): Add 3 operands.
21380 (OMP_SECTIONS): Add 1 operand.
21381 (OMP_RETURN_EXPR): Define.
21383 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21384 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21385 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21386 creating a circular free list.
21387 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21389 * tree-flow.h (move_sese_region_to_fn): Declare.
21390 (record_vars_into): Declare.
21391 * tree-cfg.c (make_omp_sections_edges): New.
21392 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21393 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21394 OMP_SECTIONS and OMP_SECTION.
21395 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21396 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21397 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21398 (gather_blocks_in_sese_region): New.
21399 (struct move_stmt_d): Declare.
21400 (move_stmt_r): New.
21401 (move_block_to_fn): New.
21402 (move_sese_region_to_fn): New.
21404 * passes.c (init_optimization_passes): Schedule
21405 pass_expand_omp after pass_init_datastructures.
21407 * tree-ssa-operands.c (get_expr_operands): Handle
21408 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21409 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21411 2006-01-19 Jeff Law <law@redhat.com>
21413 * tree-vrp.c (extract_range_from_assert): Refine the result range
21414 if the variable referenced by the ASSERT_EXPR has a range and
21415 either the tentative result range or the previous range is a
21418 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21420 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21422 2006-01-19 Jan Hubicka <jh@suse.cz>
21424 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21426 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21428 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21429 (expand_compound_operation, expand_field_assignment): Fail if the
21430 bit lengths of an extract operation are out of range.
21431 (make_extraction): Compute wanted_inner_mode based on the position
21432 and length of the extraction. Make it extraction_mode for non-constant
21433 positions, and do not modify offset in that case. When generating a
21434 new MEM, use a mode that can hold the extraction while keeping correct
21435 alignment. Remove code that supported MEMs wrapped by USEs.
21436 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21438 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21440 * config/s390/s390.md ("Y", "y"): New mode attribute.
21441 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21442 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21443 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21444 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21445 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21446 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21447 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21448 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21449 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21450 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21451 "addsi3", "subsi3"): Insn patterns removed.
21452 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21453 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21454 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21455 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21456 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21457 "*sub<mode>3_cconly2"): New insn patterns.
21458 ("addsi3", "subsi3"): New expanders.
21460 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21462 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21463 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21464 existing STMT_VINFO_VECTYPE if available.
21465 (vect_mark_relevant): Add special handling for stmts that are
21466 marked as STMT_VINFO_IN_PATTERN_P.
21467 (vect_analyze_loop): Call vect_pattern_recog.
21468 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21469 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21471 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21472 (vect_recog_func_ptr): New function-pointer type.
21473 * tree-vect-patterns.c: New file.
21474 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21475 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21476 (vect_pattern_recog_1): New functions.
21477 (vect_pattern_recog_funcs): New array of function pointers.
21479 * tree-vectorizer.h (ternary_op): New enum value.
21480 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21481 declaration. Revised documentation. Removed redundant dump prints.
21482 Removed redundant argument. Added support for reduction patterns.
21483 (vectorizable_reduction): Added support for reduction patterns.
21484 (vect_transform_stmt): Added support for patterns.
21486 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21487 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21488 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21489 (expand_widen_pattern_expr): New function.
21490 (init_optabs): Initialize new optabs udot_prod_optab,
21492 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21493 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21494 (expand_widen_pattern_expr): New function declaration.
21495 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21497 * tree-inline.c (estimate_num_insns_1): Added cases for new
21498 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21499 * tree-pretty-print.c (dump_generic_node): Likewise.
21500 (op_prio): Likewise.
21501 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21502 * tree-ssa-operands.c (get_expr_operands): Added case for
21504 * tree-vect-patterns.c (widened_name_p): New function.
21505 (vect_recog_dot_prod_pattern): Added function implementation.
21506 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21507 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21508 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21509 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21511 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21512 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21513 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21514 (init_optabs): Initialize new optabs widen_ssum_optab,
21516 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21517 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21518 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21519 use instead of type of def.
21520 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21521 function implementation.
21522 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21523 widen_ssumv8hi): New.
21525 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21528 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21531 * c-decl.c (add_flexible_array_elts_to_size): New function.
21532 (finish_decl): Use it.
21534 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21536 * diagnostic.h: Include options.h.
21537 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21538 dependancies for diagnostic.h.
21539 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21541 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21543 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21544 (ssa_ro_call_cache_valid): Ditto.
21545 * tree-ssa-alias.c (sort_tags_by_id): New function.
21546 (init_transitive_clobber_worklist): Ditto.
21547 (add_to_worklist): Ditto.
21548 (mark_aliases_call_clobbered): Ditto.
21549 (compute_tag_properties): Ditto.
21550 (set_initial_properties): Ditto.
21551 (compute_call_clobbered): Ditto.
21552 (compute_may_aliases): Call compute_call_clobbered and grouping.
21553 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21554 (compute_flow_insensitive_aliasing): Grouping now happens in our
21556 (setup_pointers_and_addressables): Remove clobbering related code.
21557 (add_may_alias): Ditto.
21558 (replace_may_alias): Ditto.
21559 (get_nmt_for): Ditto.
21560 (create_global_var):
21561 (is_escape_site): Return an escape_type enumeration.
21562 * tree-flow-inline.h (is_call_clobbered): Global var does not
21563 imply call clobbered.
21564 (mark_call_clobbered): Take a reason for marking this. Remove
21565 marking of globalness, and cache invalidation.
21566 (clear_call_clobbered): Remove cache invalidation code.
21567 * tree-dfa.c (dump_variable): If details is on, dump the reason
21569 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21571 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21572 (struct var_ann_d): Ditto.
21573 (enum escape_type): New.
21574 (mark_call_clobbered): Adjust prototype.
21575 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21576 are never call clobbered.
21577 Record reasons for escaping.
21578 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21579 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21580 (ssa_ro_call_cache_valid): Ditto.
21581 (clobbered_v_may_defs): Ditto.
21582 (clobbered_vuses): Ditto.
21583 (ro_call_vuses): Ditto.
21584 (clobber_stats): New.
21585 (init_ssa_operands): Zero out clobber stats.
21586 (fini_ssa_operands): Print out clobber stats.
21587 (get_call_expr_operands): Pass callee fndecl to
21588 add_call_read_ops).
21589 (add_call_clobber_ops): Remove use of cache.
21590 Add use of PURE_CONST information.
21591 (add_call_read_ops): Remove use of cache.
21592 Add use of static not_read information.
21594 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21596 Introduce TLS descriptors for i386 and x86_64.
21597 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21598 (TARGET_ANY_GNU_TLS): New macro.
21599 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21600 (struct machine_function): Add tls_descriptor_call_expanded_p.
21601 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21602 (ix86_current_function_calls_tls_descriptor): Likewise.
21603 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21604 (override_options): Introduce gnu2 tls dialect.
21605 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21607 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21609 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21610 (ix86_init_machine_status): Initialize new field.
21611 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21612 (ix86_tls_module_base): New.
21613 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21614 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21615 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21616 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21617 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21618 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21619 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21620 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21621 * config/i386/predicates.md (tls_modbase_operand): New.
21622 (tp_or_register_operand): New.
21624 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21626 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21627 (look_for_address_of): Ditto.
21628 (ipa_init): Walk the function decls.
21629 (static_execute): Don't set readonly on FUNCTION_DECL's.
21631 2006-01-18 Roger Sayle <roger@eyesopen.com>
21633 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21634 for shifts where the source and destination registers are different.
21636 2006-01-18 Paul Brook <paul@codesourcery.com>
21638 Merge from csl-arm-branch.
21639 2005-03-14 Julian Brown <julian@codesourcery.com>
21640 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21641 (aeabi_llsl): Likewise.
21642 (ashrdi3): Likewise.
21643 (aeabi_lasr): Likewise.
21644 (lshrdi3): Likewise.
21645 (aeabi_llsr): Likewise.
21646 2005-03-10 Julian Brown <julian@codesourcery.com>
21647 * config.gcc: Disable shared libgcc for SymbianOS.
21648 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21650 2006-01-18 DJ Delorie <dj@redhat.com>
21652 * c-pragma.c (handle_pragma_diagnostic): New.
21653 (init_pragma): Register it.
21654 * doc/extend.texi: Document it.
21656 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21657 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21658 (diagnostic_context): Add classify_diagnostic[].
21659 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21660 as errors if they're overridden to DK_WARNING.
21661 (diagnostic_initialize): Initialize classify_diagnostic[].
21662 (diagnostic_set_kind_override): New.
21663 (diagnostic_report_diagnostic): Check for kind changes.
21664 * opts.c (common_handle_option): Take lang_mask. Update callers.
21665 Handle OPT_Werror_.
21666 * common.opt (Werror=): New.
21667 * doc/invoke.texi: Document -Werror=*
21669 2006-01-18 Jeff Law <law@redhat.com>
21671 * tree-vrp.c (test_for_singularity): Correct test for new
21672 min limit. Use operand_equal_p rather than pointer equality
21673 for testing if new min/max values are equal.
21675 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21676 using range information until after propagation and folding.
21678 2006-01-18 Richard Henderson <rth@redhat.com>
21679 Aldy Hernandez <aldyh@redhat.com>
21680 Jakub Jelinek <jakub@redhat.com>
21681 Diego Novillo <dnovillo@redhat.com>
21683 * omp-low.c: New file.
21684 * c-omp.c: New file.
21686 2006-01-18 Richard Henderson <rth@redhat.com>
21687 Jakub Jelinek <jakub@redhat.com>
21688 Diego Novillo <dnovillo@redhat.com>
21690 * doc/invoke.texi: Document -fopenmp.
21691 * tree-dump.h (debug_function): Declare.
21692 * hooks.c (hook_bool_tree_bool_false): New function.
21693 (hook_tree_tree_null): Remove.
21694 (hook_tree_tree_tree_null): New.
21695 * hooks.h: Update to match.
21696 * tree-pretty-print.c (debug_tree_chain): New.
21697 (print_generic_expr): Handle TDF_CHAIN.
21698 (dump_generic_node): Handle BLOCK.
21699 Do not abort with incomplete SWITCH_EXPRs.
21700 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21701 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21702 print space after directive name.
21703 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21704 Handle OMP_MASTER and OMP_ORDERED.
21705 Handle printing of OMP_BODY just in one place, goto
21706 dump_omp_body in the rest of OMP_* nodes that have
21708 Don't handle clause nodes here. Update omp statements to
21709 use dump_omp_clauses.
21710 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21711 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21712 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21713 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21714 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21715 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21716 Adjust output for GOMP_PARALLEL.
21717 (dump_omp_clauses): New.
21718 (print_declaration): Dump DECL_VALUE_EXPR.
21719 (op_symbol_1): Split out of op_symbol.
21720 (dumping_stmts): Remove. Update all users.
21721 * cgraph.c (cgraph_analyze_queue): New.
21722 (cgraph_add_new_function): New.
21723 * cgraph.h (cgraph_analyze_queue): Declare.
21724 (cgraph_add_new_function): Declare.
21725 (cgraph_lower_function): Remove.
21726 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21727 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21728 and TYPE_P nodes in its default clause.
21729 (empty_body_p): New.
21730 (tree_range_check_failed): New.
21731 (build5_stat): New.
21732 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21733 OMP_CLAUSE_REDUCTION_MERGE,
21734 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21735 OMP_CLAUSE_PRIVATE_DEBUG,
21736 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21737 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21738 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21739 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21740 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21741 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21742 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21743 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21744 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21745 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21746 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21747 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21748 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21749 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21750 (TREE_RANGE_CHECK): New.
21751 (empty_body_p): Declare.
21752 (enum omp_clause_default_kind): New.
21753 (build_string_literal): Declare.
21754 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21755 (build5_stat, build5): Declare.
21756 * tree-pass.h (TDF_CHAIN): Define.
21757 * tree-pass.h (PROP_gimple_lomp): Define.
21758 (pass_lower_omp): Declare.
21759 * diagnostic.h (debug_tree_chain): Declare.
21760 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21762 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21763 * builtins.c (build_string_literal): Make extern.
21764 * gcc.c (include_spec_function): New.
21765 (static_spec_functions): Add it.
21766 (main): Move load of libgomp.spec ...
21767 (LINK_COMMAND_SPEC): ... here.
21768 (link_gomp_spec): New.
21769 (static_specs): Include it.
21770 (LINK_COMMAND_SPEC): Add link_gomp.
21771 (GOMP_SELF_SPECS): New.
21772 (driver_self_specs): Include it.
21773 (switch_matches): Don't mark inline.
21774 (main): Load libgomp.spec.
21775 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21776 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21777 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21778 * tree-gimple.h (enum omp_parallel): Declare.
21779 (determine_parallel_type): Declare.
21780 (omp_firstprivatize_variable): Declare.
21781 (omp_reduction_init): Declare.
21782 (diagnose_omp_structured_block_errors): Declare.
21783 (struct walk_stmt_info): Add want_return_expr.
21784 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21785 (find_omp_clause): Declare.
21786 (insert_field_into_struct): Declare.
21787 (struct walk_stmt_info): Move from tree-nested.c
21788 (walk_stmts): Declare.
21789 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21791 * cgraphunit.c (cgraph_lower_function): Make static.
21792 (cgraph_finalize_pending_functions): New.
21793 (cgraph_finalize_function): Call it.
21794 (cgraph_finalize_compilation_unit): Likewise.
21795 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21796 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21797 (BT_FN_UINT_UINT): New.
21798 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21799 DEF_FUNCTION_TYPE_VAR_4): Document.
21800 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21801 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21802 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21803 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21804 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21805 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21806 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21807 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21808 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21809 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21810 into separate files.
21811 (DEF_GOMP_BUILTIN): New.
21812 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21813 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21814 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21815 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21816 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21817 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21818 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21819 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21820 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21821 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21822 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21823 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21824 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21825 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21826 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21827 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21828 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21829 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21830 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21831 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21832 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21833 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21834 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21835 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21836 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21837 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21838 * sync-builtins.def: New file, moved from builtins.def.
21839 * omp-builtins.def: New file, moved from builtins.def.
21840 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21841 * gimple-low.c (lower_function_body): Clear data.
21842 (lower_stmt): Do not handle COMPOUND_EXPR.
21843 Remove call to print_node_brief.
21844 * c-tree.h (c_finish_omp_clauses): New prototype.
21845 (C_DECL_THREADPRIVATE_P): Define.
21846 (lookup_name_no_remap, c_omp_remap_private): Remove
21847 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21848 (check_for_loop_decls): Update decl.
21849 (lookup_name_no_remap, c_omp_remap_private): Declare.
21850 (build_indirect_ref, build_modify_expr, pushdecl,
21851 pushdecl_top_level): Move to c-common.h.
21852 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21853 before the switch, but just in the 2 places that need it.
21854 * c-decl.c (diagnose_mismatched_decls): Do not check for
21855 mismatched thread-local attributes when OLDDECL is marked
21856 threadprivate and NEWDECL has no thread-local attributes.
21857 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21858 (c_gimple_diagnostics_recursively): Rename from
21859 c_warn_unused_result_recursively. Invoke
21860 diagnose_omp_structured_block_errors.
21861 (check_for_loop_decls): Return a singular decl found.
21862 * langhooks.c (lhd_omp_predetermined_sharing): Return
21863 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21864 (lhd_omp_firstprivatize_type_sizes): New.
21865 (lhd_omp_assignment): New.
21866 (lhd_omp_predetermined_sharing): New.
21867 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21868 (struct lang_hooks_for_types): Add
21869 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21870 omp_predetermined_sharing, omp_disregard_value_expr,
21871 omp_private_debug_clause, omp_clause_default_ctor,
21872 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21873 (c_finish_omp_clauses): New.
21874 (c_finish_bc_stmt): Diagnose break within omp for.
21875 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21876 (build_unary_op): Return error_mark after reporting
21878 (build_modify_expr): Likewise.
21879 * gimplify.c: Include optabs.h and pointer-set.h.
21880 (enum gimplify_omp_var_data): Declare.
21881 (struct gimplify_omp_ctx): Declare.
21882 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21884 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21885 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21886 (splay_tree_compare_decl_uid): New.
21887 (new_omp_context): New.
21888 (delete_omp_context): New.
21889 (gimple_add_tmp_var): Call omp_add_variable.
21890 (gimplify_bind_expr): Likewise.
21891 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21892 true, disregard DECL_VALUE_EXPR on the decl if any.
21893 (gimplify_expr_in_ctx): New.
21894 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21895 omp_add_variable, omp_notice_variable, omp_is_private
21896 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21897 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21898 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21899 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21900 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21901 gimplify_omp_atomic): New.
21902 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21903 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21904 OMP_CRITICAL and OMP_ATOMIC.
21905 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21906 * c-pragma.h (enum pragma_kind): Add
21907 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21908 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21909 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21910 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21911 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21912 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21913 PRAGMA_OMP_THREADPRIVATE.
21914 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21915 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21916 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21917 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21918 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21919 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21920 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21921 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21922 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21923 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21924 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21925 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21926 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21928 (struct nesting_info): Add field_map,
21929 suppress_expansion, debug_var_chain.
21930 (create_nesting_tree): Initialize them.
21931 (lookup_field_for_decl): Use field_map.
21932 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21933 (convert_local_omp_clauses): New.
21934 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21935 (walk_body): Split out of walk_function.
21936 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21937 (convert_nonlocal_reference): Handle omp statements.
21938 (convert_local_reference): Likewise.
21939 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21940 (unnest_nesting_tree): New.
21941 (lower_nested_functions): Call it.
21942 (insert_field_into_struct): Make extern.
21943 (struct walk_stmt_info): Move to tree-gimple.h.
21944 (walk_stmts): Make extern.
21945 * omp-builtins.def: New file.
21946 * tree-iterator.c (expr_only): Clarify comment.
21947 * c-common.h (pushdecl_top_level, pushdecl,
21948 build_modify_expr, build_indirect_ref,
21949 c_finish_omp_master, c_finish_omp_critical,
21950 c_finish_omp_ordered, c_finish_omp_barrier,
21951 c_finish_omp_atomic, c_finish_omp_flush,
21952 c_finish_omp_for, c_split_parallel_clauses,
21953 omp_clause_default_kind, c_omp_sharing_predetermined,
21954 c_omp_remap_decl): Declare.
21955 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21956 (OBJS-common): Add omp-low.o.
21957 (c-omp.o, omp-low.o): Add.
21958 (gimplify.o): Add dependency on $(OPTABS_H).
21959 (GTFILES): Add omp-low.c.
21960 (gt-stringpool.h): Add.
21961 * tree-cfg.c (set_bb_for_stmt): Do not update the
21962 block-to-labels map if we are currently expanding to RTL.
21963 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21965 Handle IDENTIFIER_NODE.
21966 (tree_verify_flow_info): Do not ICE when emitting error
21967 messages about invalid labels.
21968 (dump_function_to_file): Reset CFUN before emitting the body
21970 (debug_function): New.
21971 * passes.c (init_optimization_passes): Schedule
21973 * langhooks-def.h (lhd_omp_predetermined_sharing,
21974 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21976 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21977 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21978 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21979 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21980 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21981 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21982 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21983 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21984 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21985 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21986 (LANG_HOOK_DECLS): Use them.
21988 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21989 Richard Henderson <rth@redhat.com>
21990 Jakub Jelinek <jakub@redhat.com>
21991 Diego Novillo <dnovillo@redhat.com>
21993 * c-parser.c (pragma_omp_clause): Define.
21994 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21995 (c_parser_compound_statement): Likewise.
21996 (c_parser_statement): Likewise.
21997 (c_parser_pragma): Handle omp pragmas.
21998 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21999 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22000 (c_parser_omp_clause_name, check_no_duplicate_clause,
22001 c_parser_omp_variable_list,
22002 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22003 c_parser_omp_clause_copyprivate,
22004 c_parser_omp_clause_default,
22005 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22006 c_parser_omp_clause_lastprivate,
22007 c_parser_omp_clause_nowait,
22008 c_parser_omp_clause_num_threads,
22009 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22010 c_parser_omp_clause_reduction,
22011 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22012 c_parser_omp_all_clauses, c_parser_omp_structured_block,
22013 c_parser_omp_atomic, c_parser_omp_barrier,
22014 c_parser_omp_critical, c_parser_omp_flush,
22015 c_parser_omp_for_loop, c_parser_omp_for,
22016 c_parser_omp_master, c_parser_omp_ordered,
22017 c_parser_omp_sections_scope, c_parser_omp_sections,
22018 c_parser_omp_parallel, c_parser_omp_single,
22019 c_parser_omp_construct, c_parser_omp_threadprivate): New.
22020 * c-pragma.c (init_pragma): Do omp pragma registration here.
22021 * c.opt (fopenmp): New flag.
22023 2006-01-18 Eric Christopher <echristo@apple.com>
22025 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22026 * config/darwin.h (GOMP_SELF_SPECS): Define.
22028 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22030 * rtl.h: Remove the prototype for reg_alloc.
22032 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22035 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22036 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22037 sjlj and dwarf2 exception handling.
22038 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22039 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22040 * pa/pa.c (function_value): Treat complex and vector types as
22042 (function_arg): Likewise. Only pass scalar floats in the floating
22043 point argument registers.
22044 * pa/t-slibgcc-dwarf-ver: New file.
22045 * pa/t-slibgcc-sjlj-ver: New file.
22046 * pa/t-slibgcc-elf-ver: Delete file.
22048 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22050 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22051 unlikely_test_section_p test.
22053 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22055 * mode-switching.c (optimize_mode_switching): Make it static.
22056 * basic-block.h: Remove the prototype for
22057 optimize_mode_switching.
22059 * modulo-sched.c (sms_schedule): Make it static.
22060 * rtl.h: Remove the prototype for sms_schedule.
22062 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22063 * rtl.h: Remove the prototype for gcse_after_reload_main.
22065 * reg-stack.c (reg_to_stack): Make it static.
22066 * rtl.h: Remove the prototype for reg_to_stack.
22068 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22070 * rtl.h: Remove the prototypes for regrename_optimize and
22071 copyprop_hardreg_forward.
22073 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22075 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22076 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22077 Test against the appropriate null constant for the mode.
22078 If 'fixup_overlap' is true, swap the operands if they overlap.
22079 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22080 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22081 alpha_split_tmode_pair and adjust for above change.
22082 * config/alpha/alpha.md (movtf_internal): Adjust call to
22083 alpha_split_tfmode_pair and rely on it to swap the operands.
22084 (movti_internal): New insn and post-reload splitter.
22085 (movti): New expander.
22087 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22089 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22092 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22094 * rtlanal.c (global_reg_mentioned_p_1,
22095 global_reg_mentioned_p): Remove.
22096 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22098 * flow.c (initialize_uninitialized_subregs): Make it static.
22099 * rtl.h: Remove the prototype for
22100 initialize_uninitialized_subregs.
22102 * function.c (instantiate_virtual_regs): Make it static.
22103 * function.h: Remove the prototype for
22104 instantiate_virtual_regs.
22106 * regmove.c (regmove_optimize, combine_stack_adjustments):
22108 * rtl.h: Remove the prototypes for regmove_optimize and
22109 combine_stack_adjustments.
22111 2006-01-17 Roger Sayle <roger@eyesopen.com>
22113 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22114 (size_cost): Encode costs in bytes so that a reg-reg addition is
22115 equivalent to COSTS_N_INSNS(1).
22116 (override_options): Use the size_cost.branch_cost as the default
22117 ix86_branch_cost when optimizing for size.
22119 2006-01-18 Ben Elliston <bje@au.ibm.com>
22121 * Makefile.in (D32PBIT_FUNCS): New.
22122 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22123 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22124 D64PBIT_FUNCS and D128PBIT_FUNCS.
22125 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22126 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22128 (decnumber_dep): Define.
22129 * doc/libgcc.texi (Decimal float library routines): New node.
22130 * config/dfp-bit.h, config/dfp-bit.c: New files.
22132 2006-01-18 Ben Elliston <bje@au.ibm.com>
22134 * expr.c (emit_move_change_mode): Always adjust addresses, not
22135 just during reload. Copy replacements only during reload.
22136 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22137 emit_move_via_integer.
22139 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22141 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22142 instead of $(srcdir) and ${srcdir}.
22144 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22147 PR middle-end/11135
22148 * arm.h (struct machine_function): Add pic_reg.
22149 * arm.c (arm_pic_register): Make unsigned.
22150 (arm_override_options): Only set arm_pic_register if
22151 TARGET_SINGLE_PIC_BASE.
22152 (use_return_insn): Only test for a pic register if it is fixed.
22153 (arm_compute_save_reg0_reg12_mask): Likewise.
22154 (thumb_compute_save_reg_mask): Likewise.
22155 (legitimate_pic_operand): Factor out some known invariants.
22156 (legitimize_pic_address): If we don't have a fixed pic register,
22157 then set up a pseudo in the function entry sequence. Handle the
22158 pic base being in a pseudo.
22159 (arm_load_pic_register): Handle the pic register being in a pseudo.
22160 (arm_expand_prologue): Only set up the pic register if it is fixed.
22161 (thumb_expand_prologue): Likewise.
22162 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22163 (pic_load_addr_based_insn): Likewise.
22164 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22167 2006-01-18 Ben Elliston <bje@au.ibm.com>
22169 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22170 decimal float modes for all floating point registers.
22172 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22173 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22175 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22178 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22179 even when the pointer is not NULL.
22181 2006-01-16 Ian Lance Taylor <ian@airs.com>
22183 * common.opt (ftoplevel-reorder): New option.
22184 * cgraph.c (cgraph_asm_nodes): New global variable.
22185 (cgraph_asm_last_node): New static variable.
22186 (cgraph_order): New global variable.
22187 (cgraph_create_node): Set new order field.
22188 (cgraph_varpool_node): Likewise.
22189 (decide_is_variable_needed): Return true if not
22190 flag_toplevel_reorder.
22191 (cgraph_add_asm_node): New function.
22192 * cgraph.h (struct cgraph_node): Add order field.
22193 (struct cgraph_varpool_node): Add order field.
22194 (struct cgraph_asm_node): Define.
22195 (cgraph_asm_nodes, cgraph_order): Declare.
22196 (cgraph_add_asm_node): Declare.
22197 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22199 (cgraph_varpool_assemble_pending_decls): Call it.
22200 (cgraph_output_pending_asms): New static function.
22201 (cgraph_finalize_compilation_unit): Call it.
22202 (struct cgraph_order_sort): Define.
22203 (cgraph_output_in_order): New static function.
22204 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22205 !flag_toplevel_reorder case.
22206 * c-parser.c: Include "cgraph.h".
22207 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22209 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22210 than -fno-unit-at-a-time.
22211 * doc/invoke.texi (Option Summary): Mention
22212 -fno-toplevel-reorder.
22213 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22214 -funit-at-a-time documentation.
22216 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22217 Kazu Hirata <kazu@codesourcery.com>
22219 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22221 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22223 * Makefile.in (FUNCTION_H): New. Use it instead of
22224 function.h throughout the file.
22225 * function.h: Include tree.h.
22227 2006-01-17 Ben Elliston <bje@au.ibm.com>
22229 * recog.c: Separate some functions with whitespace.
22231 2006-01-16 Richard Henderson <rth@redhat.com>
22233 Merge from gomp branch:
22234 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22235 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22236 and rename from struct inline_data. Rename callee* to dst*;
22237 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22238 transform_new_cfg, transform_return_to_modify, and
22239 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22241 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22242 (copy_decl_for_dup): Remove.
22243 * tree-inline.c (struct inline_data): Move to header.
22244 (insert_decl_map): Export.
22245 (remap_decl): Update for member name changes. Use copy_decl hook.
22246 Allow for replacement to be a non-decl. Remove dead code.
22247 (remap_type_1): Check for existing mapping.
22248 (remap_type): Export.
22249 (remap_decls): Update for member name changes.
22250 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22251 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22252 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22253 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22254 (tree_function_versioning, build_duplicate_type): Likewise.
22255 (copy_body_r): Likewise. Export.
22256 (copy_decl_for_dup): Split into ...
22257 (copy_decl_for_dup_finish, copy_decl_to_var,
22258 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22259 (replace_ref_tree, inlining_p): Remove.
22261 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22263 * ifcvt.c (if_convert): Make it static.
22264 * rtl.h: Remove the prototype for if_convert.
22266 * local-alloc.c (local_alloc): Make it static.
22267 * rtl.h: Remove the prototype for local_alloc.
22269 * loop.c (loop_optimize): Make it static.
22270 * cfgloop.h: Remove the prototype for loop_optimize.
22273 2006-01-16 DJ Delorie <dj@redhat.com>
22275 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22278 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22280 * pa.md: Disparage copies between general and floating-point registers
22281 in 32-bit move patterns.
22283 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22286 * Makefile.in (check-%): Depend on site.exp instead of
22287 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22290 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22292 * global.c (global_alloc): Make it static.
22293 * rtl.h: Remove the prototype for global_alloc.
22295 2006-01-16 Richard Guenther <rguenther@suse.de>
22297 * tree-ssa-alias.c (struct used_part): Add write_only field.
22298 (get_or_create_used_part_for): Initialize it to true.
22299 (create_overlap_variables_for): Don't create structure variables
22300 for structures that only are written to.
22301 (find_used_portions): Handle MODIFY_EXPR to track whether a
22302 structure is only written to.
22304 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22306 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22308 * basic-block.h: Remove the prototype for
22309 partition_hot_cold_basic_blocks.
22311 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22313 * cppspec.c (lang_specific_spec_functions): Remove.
22314 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22315 * gcc.h (lang_specific_spec_functions): Remove.
22316 * gccspec.c (lang_specific_spec_functions): Remove.
22318 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22320 * combine.c (record_value_for_reg): Invalidate registers
22322 (record_dead_and_set_regs_1): Likewise, by passing them to
22323 record_value_for_reg.
22324 (record_dead_and_set_regs): Invalidate stores made by a
22325 call. We do not combine across a call, but we still
22326 relied on equivalences.
22328 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22330 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22331 vrp_int_const_binop returning non-constant nodes.
22333 2006-01-16 Paul Brook <paul@codesourcery.com>
22335 * config/m68k/m68k.c (output_move_const_into_data_reg):
22336 Output correct mnemonic for mvz and mvs.
22338 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22340 * rtl-factoring.c: Add sequence abstraction algorithm.
22341 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22342 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22344 (block_has_preserve_label): New function.
22345 * common.opt: Register new pass.
22346 * Makefile.in: Ditto.
22348 * timevar.def: Ditto.
22349 * tree-pass.h: Ditto.
22350 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22351 * rtl.h (make_jump_insn_raw): Add forward decl.
22352 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22354 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22355 Roger Sayle <roger@eyesopen.com>
22357 * fold-const.c (fold_minmax): New static function.
22358 (fold_binary) <MIN_EXPR>: Call it.
22359 <MAX_EXPR>: Likewise.
22360 * stor-layout.c (place_field): Use DECL_SIZE consistently
22361 in the computation of the new record size.
22363 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22365 * cse.c (cse_condition_code_reg): Make it static.
22366 * rtl.h: Remove the prototype for cse_condition_code_reg.
22368 * combine.c (combine_instructions): Make it static.
22369 * rtl.h: Remove the prototype for combine_instructions.
22371 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22374 * tree.c (get_file_function_name_long): Concatenate the first global
22375 object name with a string derived from the input filename of the object
22378 2006-01-16 Ben Elliston <bje@au.ibm.com>
22380 * config/i386/winnt-stubs.c: Update FSF address.
22381 * config/xtensa/ieee754-df.S: Ditto.
22382 * config/xtensa/ieee754-sf.S: Ditto.
22384 2006-01-14 Ian Lance Taylor <ian@airs.com>
22386 * ifcvt.c (noce_init_if_info): New static function, broken out of
22387 noce_process_if_block.
22388 (noce_process_if_block): Call noce_init_if_info.
22389 (check_cond_move_block): New static function.
22390 (cond_move_process_if_block): New static function.
22391 (process_if_block): Call cond_move_process_if_block.
22393 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22395 * cselib.c (hash_table): Rename to cselib_hash_table.
22396 (cselib_clear_table, discard_useless_values,
22397 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22398 cselib_init, cselib_finish): Adjust uses of hash_table.
22400 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22402 PR tree-optimization/25485
22403 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22404 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22405 is known to be false and true, respectively.
22407 2006-01-14 Richard Guenther <rguenther@suse.de>
22409 PR tree-optimization/22548
22410 PR tree-optimization/22555
22411 PR tree-optimization/22501
22412 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22413 * params.def (salias-max-array-elements): New parameter.
22414 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22415 * doc/invoke.texi (salias-max-array-elements): Document.
22416 * tree-flow-inline.h (var_can_have_subvars): We also handle
22418 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22420 * tree-ssa-structalias.c (params.h): Include.
22421 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22422 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22423 (get_constraint_for): For ADDR_EXPR operating on something
22424 containing an ARRAY_REF, add all subvars to the solution.
22425 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22426 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22427 for creating MUST_DEFs.
22428 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22430 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22432 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22434 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22435 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22436 number_of_iterations_le): New functions.
22437 (number_of_iterations_special): Removed.
22438 (number_of_iterations_exit): Do not use number_of_iterations_special.
22439 * tree.c (unsigned_type_for): Always return integer type.
22441 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22442 Richard Guenther <rguenther@suse.de>
22444 PR rtl-optimization/24257
22445 * gcse.c (find_moveable_store): Only consider a store movable
22446 when the SET_SRC of the insn can be assigned to a register.
22448 2006-01-14 Ian Lance Taylor <ian@airs.com>
22450 * tree.c (tree_not_class_check_failed): New function.
22451 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22452 (tree_not_class_check_failed): Declare.
22454 2006-01-13 Ian Lance Taylor <ian@airs.com>
22456 * reload1.c (do_output_reload): Add assertion rejecting a
22459 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22461 * combine.c (struct reg_stat): Add new fields truncation_label and
22463 (record_value_for_reg): Reset truncated_to_mode.
22464 (record_truncated_value): New function.
22465 (check_promoted_subreg): Call it. Rename to check_conversions.
22466 (combine_instructions): Rename check_promoted_subreg to
22468 (reg_truncated_to_mode): New function.
22469 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22470 (gen_lowpart_or_truncate): New function.
22471 (force_to_mode): Use it instead of gen_lowpart.
22473 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22475 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22476 VAR is a tag, not its type tag.
22478 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22480 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22481 alternatives to match style of other entries.
22482 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22484 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22486 PR tree-optimization/25771
22487 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22490 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22493 * tree-inline.c (declare_return_variable): If the return variable
22494 was marked as a non gimple complex, set the return slot variable
22495 to be a non gimple comple variable.
22497 2006-01-13 Richard Guenther <rguenther@suse.de>
22499 * builtins.c (expand_builtin_sincos): New function.
22500 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22502 (expand_builtin): Expand sincos using expand_builtin_sincos.
22504 2006-01-12 DJ Delorie <dj@redhat.com>
22506 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22507 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22508 so that constant shifts can be split.
22509 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22510 (m32c_valid_pointer_mode): Make static.
22511 (shift_gen_func_for): New.
22512 (m32c_prepare_shift): Use it. Split large const shifts into
22514 * config/m32c/predicates.md (shiftcount_operand): Allow more
22516 (longshiftcount_operand): New.
22517 * doc/md.texi (Machine Constraints): Document In6.
22519 2006-01-13 Ben Elliston <bje@au.ibm.com>
22521 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22522 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22525 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22527 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22528 to try to avoid clobbering pieces of structures when we know
22529 something about the whole structure.
22530 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22532 2006-01-13 Ben Elliston <bje@au.ibm.com>
22534 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22535 return in memory, as this is no limitation is no longer present.
22537 2006-01-12 DJ Delorie <dj@redhat.com>
22539 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22540 mova with fb, and for fb+0 -> An.
22542 * config/m32c/mov.md (peephole2): Fix enabling logic.
22544 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22545 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22546 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22547 FINI_ARRAY_SECTION_ASM_OP): Define.
22549 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22551 (m32c_legitimize_reload_address): New logic to reload FB to An.
22552 (m32c_output_reg_push): Add newline.
22553 (m32c_output_reg_pop): Likewise.
22555 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22557 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22559 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22561 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22563 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22565 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22568 2006-01-11 Ben Elliston <bje@au.ibm.com>
22570 * rtlanal.c (find_reg_note): Assert insn is not null.
22572 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22574 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22577 2006-01-11 Jeff Law <law@redhat.com>
22579 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22581 (mark_threaded_blocks, register_jump_thread): New functions.
22582 (thread_through_all_blocks): Remove unwanted argument. No
22583 longer rely on e->aux to communicate thread target info.
22584 Call mark_threaded_blocks. Release the threaded_blocks
22585 bitmap and threaded_edges vector when complete.
22586 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22587 (threaded_blocks): Remove.
22588 (tree_ssa_dominator_optimize): Remove initialization and
22589 finalization of threaded_blocks. Simplify call to
22590 thread_through_all_blocks.
22591 (thread_across_edge): Call register_jump_thread rather than
22592 storing thread information into e->aux.
22593 (free_all_edge_infos): Simplify now that e->aux is no longer
22594 used to communicate with thread_through_all_blocks.
22595 * tree-flow.h (thread_through_all_blocks): Update prototype.
22596 (register_jump_thread): Prototype.
22598 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22600 * df-core.c (df_compact_blocks, df_bb_replace): Use
22601 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22603 2006-01-11 Richard Guenther <rguenther@suse.de>
22605 PR tree-optimization/25734
22606 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22607 stop propagation after successful propagation to the LHS.
22609 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22611 * basic-block.h (control_flow_graph): Change the type of
22612 x_basic_block_info to VEC(basic_block,gc) *.
22613 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22615 (SET_BASIC_BLOCK): New.
22616 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22617 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22618 * cfgbuild.c (find_basic_blocks): Likewise.
22619 * cfglayout.c (fixup_reorder_chain): Likewise.
22620 * cfgrtl.c (create_basic_block_structure,
22621 rtl_create_basic_block): Likewise.
22622 * ifcvt.c (find_if_case_1): Likewise.
22623 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22626 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22628 * Makefile.in: Removed rotted odf.c entry.
22630 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22633 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22634 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22635 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22636 output pattern modifier, not %e.
22637 * config/cris/cris.c (cris_op_str): Update comment about pattern
22639 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22640 before falling through into...
22641 <case 'E'>: Redefined from old 'e' case.
22643 2006-01-11 Jan Hubicka <jh@suse.cz>
22646 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22648 2006-01-11 Jan Hubicka <jh@suse.cz>
22650 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22651 * i386.c (x86_decompose_lea): Kill.
22652 (ix86_rtx_costs): Kill.
22654 2006-01-11 Jan Hubicka <jh@suse.cz>
22656 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22657 * cgraph.h (cgraph_node): Add inline_decl.
22658 (cgraph_insert_node_to_hashtable): Declare.
22659 (save_inline_function_body): Declare.
22660 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22662 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22663 (cgraph_function_versioning): Update call of tree_function_versioning.
22664 (save_inline_function_body): New function.
22665 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22666 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22667 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22668 (cgraph_default_inline_p): Likewise.
22669 (cgraph_decide_inlining_incrementally): Likewise.
22670 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22671 (copy_bb): Kill saving; do updating of clones.
22672 (copy_cfg_body): Kill saving.
22673 (initialize_inlined-parameters): Likewise.
22674 (expand_call_inline): Likewise.
22676 (tree_function_versioning): New parameter "update_clones".
22677 (inlining_p): Kill saving.
22678 * tree-inline.h (tree_function_versioning): Update prototype.
22679 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22682 2006-01-11 Ian Lance Taylor <ian@airs.com>
22684 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22685 Allow undoing set of machine mode.
22686 (do_SUBST): Use enums instead of is_int.
22687 (do_SUBST_MODE): New function.
22688 (SUBST_MODE): New macro.
22689 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22690 reg and trying to replace reg_regno_rtx with a new register.
22691 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22692 (simplify_set): Use SUBST_MODE.
22693 (distribute_notes): Remove code that tried to update reg notes
22694 for regno_reg_rtx changes.
22696 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22698 PR tree-optimization/23109
22699 PR tree-optimization/23948
22700 PR tree-optimization/24123
22702 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22703 * tree-cfg.c (single_noncomplex_succ): New.
22704 * tree-flow.h (single_noncomplex_succ): Declare it.
22705 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22706 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22707 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22708 insert_bb, register_division_in, insert_reciprocals,
22709 replace_reciprocal, free_bb): New.
22710 (execute_cse_reciprocals_1): Rewritten.
22711 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22712 Do not commit any edge insertion. Always compute dominators and
22713 create the allocation pool.
22714 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22715 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22716 * targhooks.c (default_min_divistions_for_recip_mul): New.
22717 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22718 * passes.c (init_optimization_passes): Run recip after tree loop
22720 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22722 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22723 Kenneth Zadeck <zadeck@naturalbridge.com>
22725 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22726 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22727 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22728 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22729 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22730 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22731 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22732 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22733 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22734 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22735 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22736 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22737 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22738 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22739 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22740 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22741 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22742 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22743 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22744 DF_SCAN_POST_ALLOC): New macros.
22745 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22746 df_free_bb_function, df_local_compute_function, df_init_function,
22747 df_dataflow_function, df_confluence_function_0,
22748 df_confluence_function_n, df_transfer_function,
22749 df_finalizer_function, df_free_function, df_dump_problem_function,
22750 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22751 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22752 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22753 df_urec_bb_info, ) New types.
22754 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22756 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22757 df_analyze_simple_change_some_blocks,
22758 df_analyze_simple_change_one_block, df_compact_blocks,
22759 df_bb_replace, df_bb_regno_last_use_find,
22760 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22761 df_insn_regno_def_p, df_find_def, df_find_use,
22762 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22763 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22764 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22765 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22766 debug_df_chain, df_get_dependent_problem, df_chain_create,
22767 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22768 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22769 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22770 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22771 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22772 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22773 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22774 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22775 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22776 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22777 df_reorganize_refs, df_set_state, df_hard_reg_init,
22778 df_read_modify_subreg_p) New public functions.
22779 * df-core.c: The core dataflow solver and glue routines for rtl
22781 (df_init, df_add_problem, df_set_blocks, df_finish,
22782 df_hybrid_search_forward, df_hybrid_search_backward,
22783 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22784 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22785 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22786 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22787 df_reg_defined, df_find_use, df_reg_used, df_dump,
22788 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22789 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22790 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22791 debug_df_useno, reset_df_after_reload): New functions.
22792 * df-scan.c: The scanning fuctions, once in df.c, completely
22793 rewritten so that they now fully model the functionality of
22794 register usage at the backend.
22795 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22796 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22797 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22798 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22799 df_get_artificial_defs, df_get_artificial_uses,
22800 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22801 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22802 df_refs_delete, df_reorganize_refs, df_set_state,
22803 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22804 df_def_record_1, df_defs_record, df_uses_record,
22805 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22806 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22807 df_record_exit_block_uses, df_hard_reg_init): New functions.
22809 * df-problems.c: Seven concrete dataflow problems that use the
22810 scanning in df-scan.c and are solved by the engine in df-core.c.
22811 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22812 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22813 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22814 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22815 df_ru_free_bb_info, df_ru_alloc,
22816 df_ru_bb_local_compute_process_def,
22817 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22818 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22819 df_ru_transfer_function, df_ru_free, df_ru_dump,
22820 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22821 df_rd_free_bb_info, df_rd_alloc,
22822 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22823 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22824 df_rd_transfer_function, df_rd_free, df_rd_dump,
22825 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22826 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22827 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22828 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22829 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22830 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22831 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22832 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22833 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22834 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22835 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22836 df_urec_mark_reg_use_for_earlyclobber,
22837 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22838 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22839 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22840 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22841 df_chain_create_bb_process_use, df_chain_create_bb,
22842 df_chain_finalize, df_chain_free, df_chains_dump,
22843 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22844 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22845 df_reg_lifetime): New functions.
22846 * df.c: Deleted file.
22847 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22848 consistent with new df api.
22849 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22850 rest_of_handle_sms): Ditto.
22851 * web.c (unionfind_union, union_defs, entry_register, web_main):
22853 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22854 invariant_expr_equal_p, find_defs, check_dependencies,
22855 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22856 free_inv_motion_data, move_loop_invariants): Ditto.
22857 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22858 Update dependencies.
22859 (odf.c): Added defective entry that was deleted later in day.
22860 * sched-deps.c (sched_analyze_1): Ditto.
22862 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22864 * tree-ssa-operands.c (get_expr_operands): Record addressable
22865 variables directly. Do not call add_stmt_operands for CONST_DECLs
22867 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22868 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22870 2006-01-11 Ben Elliston <bje@au.ibm.com>
22872 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22873 function returns true in the positive case.
22875 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22878 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22879 for SI, DI, SF and DF modes. Add alternatives to copy between
22880 general and floating point registers to the 32-bit patterns.
22881 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22882 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22883 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22884 generating 64-bit code.
22885 * config/pa/pa.c (output_move_double): Handle copies between general
22886 and floating registers.
22888 2006-01-10 Stuart Hastings <stuart@apple.com>
22890 * config/i386/i386.md (set_got): Update.
22891 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22892 (builtin_setjmp_receiver): Mach-O support.
22893 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22894 (GOT_SYMBOL_NAME): Define.
22895 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22896 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22897 * config/i386/i386.c (override_options): Revise for Darwin.
22898 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22899 support. (darwin_x86_file_end): New. (output_set_got): Add label
22900 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22901 * config/i386/i386-protos.h (output_set_got): Likewise.
22902 * config/darwin.c (machopic_legitimize_pic_address): Update
22905 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22907 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22908 when MODE isn't BLKmode.
22910 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22912 PR rtl-optimization/25367
22913 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22915 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22918 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22919 for a negative bound.
22921 2006-01-10 Richard Guenther <rguenther@suse.de>
22923 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22924 Never override with anything constraint.
22926 2006-01-10 Jan Beulich <jbeulich@novell.com>
22928 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22929 256 bits when optimize_size.
22931 2006-01-10 Jan Beulich <jbeulich@novell.com>
22933 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22935 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22936 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22939 2006-01-10 Ben Elliston <bje@au.ibm.com>
22941 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22943 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22944 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22945 (USE_FP_FOR_ARG): Reject decimal float modes.
22946 (function_arg_advance): Likewise.
22947 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22948 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22949 point types in AltiVec vectors.
22950 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22951 (rs6000_libcall_value): Likewise.
22953 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22955 * config/xtensa/ieee754-df.S: New file.
22956 * config/xtensa/ieee754-sf.S: New file.
22957 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22958 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22959 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22961 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22963 * config/sh/predicates.md (binary_float_operator,
22964 binary_logical_operator, commutative_float_operator,
22965 equality_comparison_operator, greater_comparison_operator,
22966 less_comparison_operator, logical_operator,
22967 noncommutative_float_operator, shift_operator,
22968 symbol_ref_operand, unary_float_operator): Remove redundant
22971 2006-01-09 Jeff Law <law@redhat.com>
22973 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22974 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22975 now unused arguments. Callers updated.
22976 (eliminate_redundant_computations): Remove now unused arguments,
22978 (local_fold): Remove, no longer used.
22979 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22981 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22982 (simplify_cond): New function.
22983 (forward_propagate_into_cond): Call simplify_cond.
22985 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22987 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22988 (*vec_extractv2di_1_sse): New.
22990 2006-01-09 Ben Elliston <bje@au.ibm.com>
22992 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22994 2006-01-08 Richard Guenther <rguenther@suse.de>
22996 * tree-ssa-structalias.c (get_constraint_for): Remove
22997 anyoffset argument.
22998 (get_constraint_for_component_ref): Likewise.
22999 (do_deref): Likewise.
23000 (get_constraint_for): Likewise.
23001 (do_structure_copy): Likewise.
23002 (handle_ptr_arith): Likewise.
23003 (find_func_aliases): Likewise. Remove unused need_anyoffset
23006 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
23007 Kaz Kojima <kkojima@gcc.gnu.org>
23009 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23010 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23011 (EXTRA_CONSTRAINT_C16): Remove.
23012 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23013 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23014 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23015 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23016 constants of SHmedia. Handle nested constant expressions of
23018 (andcosts): Fix the costs for SHmedia constants.
23019 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23020 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23021 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23022 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23023 (movv4hi_i, movv2si_i): Likewise.
23024 (movsi_const): Adjust the second operand of ior so to match with
23025 the Csu constraint.
23026 (movdi_const, movdi_const_32bit): Likewise.
23027 (movdi_const_16bit+1): Don't sign-extend LOW.
23028 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23030 (*double_shori): Fix the split condition. Use GEN_INT instead
23031 of get_int_mode calls. Mask lower 16-bit of the argument of
23033 (sym2GOTPLT): Remove.
23034 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23036 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23037 instead of EXTRA_CONSTRAINT_C16.
23039 2006-01-07 Ian Lance Taylor <ian@airs.com>
23040 David Edelsohn <edelsohn@gnu.org>
23042 PR rtl-optimization/25662
23043 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23044 for constant operands instead of simplify_gen_binary.
23045 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23046 after trying simplify_binary_operation
23048 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23050 * tree.c (iterative_hash_expr): Hash decls based on UID.
23052 2006-01-06 Eric Christopher <echristo@apple.com>
23054 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23055 (TARGET_UNWIND_EMIT): Fix spelling.
23056 * target.h (gcc_target): Add except_table_label.
23057 * except.c (output_function_exception_table): Use.
23058 * varasm.c (default_emit_except_table_label): New.
23059 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23061 (asm_out): Add here.
23062 * output.h (default_emit_except_table_label): Prototype.
23063 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23064 * config/darwin.c (darwin_emit_except_table_label): Define.
23065 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23067 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23069 PR tree-optimization/18527
23070 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23071 number_of_iterations_special, number_of_iterations_exit):
23072 Move base and step of an iv to a single structure. Add
23073 no_overflow flag, and use it in # of iterations analysis.
23074 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23075 folded_casts argument.
23076 (simple_iv): Pass base and step in a structure. Set no_overflow
23078 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23079 Evaluate expensiveness of computing # of iterations instead of
23080 the final expression.
23081 * tree-scalar-evolution.h (affine_iv): New structure.
23082 (simple_iv): Declaration changed.
23083 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23084 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23085 find_givs_in_stmt): Changed due to simple_iv change.
23087 2006-01-06 Jeff Law <law@redhat.com>
23090 * tree-cfg.c (bsi_replace): Rename final argument from
23091 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23092 change (stmt -> orig_stmt).
23093 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23094 (bsi_remove): Add new argument. Remove EH information
23096 (verify_eh_throw_table_statements): New function.
23097 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23099 * tree-optimize.c (execute_free_cfg_annotations): Verify
23100 the EH throw statement table after removing annotations.
23101 * except.h (verify_eh_throw_table_statements): Prototype.
23102 * tree-flow.h (bsi_remove): Update prototype.
23103 * tree-vrp.c (remove_range_assertions): Add new argument to
23105 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23106 * tree-complex.c (expand_complex_div_wide): Likewise.
23107 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23108 * tree-tailcall.c (eliminate_tailcall): Likewise.
23109 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23110 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23111 * tree-nrv.c (tree_nrv): Likewise.
23112 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23113 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23114 (combine_blocks): Likewise.
23115 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23116 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23117 (cleanup_control_flow): Likewise.
23118 (remove_forwarder_block): Likewise.
23119 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23120 * tree-sra.c (sra_replace): Likewise.
23121 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23122 (forward_propagate_single_use_vars): Likewise.
23123 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23124 * tree-inline.c (expand_call_inline): Likewise.
23125 * tree-vect-transform.c (vect_transform_loop): Likewise.
23126 * tree-outof-ssa.c (rewrite_trees): Likewise.
23127 * tree-cfg.c (make_goto_expr_edges): Likewise.
23128 (cleanup_dead_labels): Likewise.
23129 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23130 (bsi_move_before, bsi_move_after): Likewise.
23131 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23132 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23134 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23137 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23139 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23140 on non gimple variables. Also add checks at the top for decls and
23142 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23144 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23145 and IMAGPART_EXPR for creating MUST_DEFs.
23146 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23147 and NAME_MEMORY_TAG separately from the DECLs.
23149 2006-01-06 Richard Guenther <rguenther@suse.de>
23151 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23152 annotation, if necessary.
23153 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23154 redundant calls to update_stmt.
23155 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23158 2006-01-05 Richard Henderson <rth@redhat.com>
23160 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23162 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23164 * c-typeck.c: Update copyright date.
23166 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23168 * c-typeck.c (build_c_cast): Always warn when casting
23169 from a pointer to an integer of different size, even if
23170 the node was constant.
23172 2006-01-05 Richard Guenther <rguenther@suse.de>
23174 PR tree-optimization/22555
23175 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23176 if one structure field is an array.
23177 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23178 operands even if we found a subvar, but ignore VOPs in this
23180 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23182 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23184 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23186 PR middle-end/24998
23187 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23189 2006-01-05 Richard Guenther <rguenther@suse.de>
23190 Diego Novillo <dnovillo@redhat.com>
23192 * tree-pass.h (TODO_remove_unused_locals): Define.
23193 * gimple-low.c (expand_var_p, remove_useless_vars,
23194 pass_remove_useless_vars): Remove. Update all users.
23195 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23196 (remove_unused_locals): New function.
23197 * tree-flow.h (remove_unused_locals): Declare.
23198 * passes.c (execute_todo): Call remove_unused_locals if
23199 TODO_remove_unused_locals is set.
23200 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23201 * tree-ssa-dce.c (pass_dce): Likewise.
23202 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23204 2006-01-05 Richard Guenther <rguenther@suse.de>
23206 * tree-flow.h (struct fieldoff): Decompose field to
23207 type, size and decl.
23208 * tree-ssa-alias.c (create_sft): Take type as parameter.
23209 (create_overlap_variables_for): Store type, size and decl
23210 in the fieldoff structure.
23211 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23212 of struct fieldoff.
23213 (push_fields_onto_fieldstack): Likewise.
23214 (create_variable_info_for): Likewise. Use offset for the
23215 SFT name if the decl is not available.
23217 2006-01-04 Paul Brook <paul@codesourcery.com>
23219 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23221 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23223 * lambda-code.c (can_put_in_inner_loop): Relax
23225 (can_put_after_inner_loop): New function.
23226 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23227 (perfect_nestify): Change to make copies and modify uses.
23229 2006-01-04 Richard Henderson <rth@redhat.com>
23231 Merge from gomp branch:
23232 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23233 via integer constant.
23234 (pragma_lex): Remove.
23235 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23236 rather than parsing it.
23237 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23238 handle_pragma_extern_prefix): Add %< %> quotes.
23239 (registered_pragmas): New.
23240 (c_register_pragma_1): New.
23241 (c_register_pragma): Use it.
23242 (c_register_pragma_with_expansion): Likewise.
23243 (c_invoke_pragma_handler): New.
23244 (init_pragma): Use cpp_register_deferred_pragma directly for
23246 * c-pragma.h (enum pragma_kind): New.
23247 (pragma_handler): New.
23248 (c_invoke_pragma_handler): Declare.
23249 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23251 * c-common.h (c_common_pch_pragma): Update decl.
23252 * Makefile.in (c-parser.o): Update dependencies.
23253 (GTFILES): Add c-pragma.h.
23254 * c-parser.c (struct c_token): Add pragma_kind.
23255 (struct c_parser): Add in_pragma.
23256 (c_lex_one_token): Always initialize keyword and pragma_kind.
23257 Extract data for CPP_PRAGMA.
23258 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23259 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23260 Don't allow CPP_PRAGMA_EOL if in_pragma.
23261 (c_parser_consume_pragma): New.
23262 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23263 (c_parser_skip_to_end_of_parameter): Likewise.
23264 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23265 (c_parser_skip_to_pragma_eol): New.
23266 (c_parser_external_declaration): Handle CPP_PRAGMA.
23267 (c_parser_compound_statement_nostart): Likewise.
23268 (c_parser_statement_after_labels): Likewise.
23269 (c_parser_pragma): New.
23270 (pragma_lex): Likewise.
23271 (c_parser_pragma_pch_preprocess): New.
23272 (c_parser_new): Merge into ...
23273 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23275 2006-01-04 Jeff Law <law@redhat.com>
23278 * tree-cfg.c (bsi_replace): Remove the original statement
23279 from the EH throw statement table.
23281 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23283 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23284 make the prototype extern "C" and add throw ().
23287 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23288 and pos non-negative and pos + len <= 32.
23289 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23290 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23291 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23294 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23295 as well as sizes not multiple of component size.
23298 * function.c (instantiate_expr): New function.
23299 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23300 walk its DECL_VALUE_EXPR with instantiate_expr.
23302 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23303 DW_OP_deref{,_size} if address isn't going to be added.
23305 2006-01-04 Ben Elliston <bje@au.ibm.com>
23307 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23308 * config/fp-bit.c: Likewise.
23310 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23312 * dominance.c: Add comment about why we use DFS numbering
23315 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23316 Richard Henderson <rth@redhat.com>
23318 Merge from gomp-branch:
23319 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23320 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23322 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23324 PR rtl-optimization/25578
23325 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23326 pass a parameter to simplify_shift_const if changing ASHIFTRT
23329 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23331 * builtins.c (get_builtin_sync_mem): New function.
23332 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23333 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23334 Call get_builtin_sync_mem to generate mem rtx.
23336 2006-01-03 Richard Guenther <rguenther@suse.de>
23339 * stmt.c (add_case_node): Make sure to clear overflow flags
23342 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23344 Merge from gomp-branch.
23345 * config/sparc/sync.md: New file.
23346 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23347 UNSPECV_LDSTUB): New constants.
23348 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23349 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23350 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23353 2006-01-03 Roger Sayle <roger@eyesopen.com>
23355 * combine.c (reg_subword_p): New predicate to test whether the
23356 destination of a set refers to a subword/piece of a register.
23357 (try_combine): Generalize the code to merge the setting of a
23358 pseudo to a constant followed by a set of a subword of that
23359 register to a constant.
23361 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23363 * basic-block.h (control_flow_graph): Change the type of
23364 x_label_to_block_map to VEC(basic_block,gc) *.
23365 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23366 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23368 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23369 VEC(basic_block,heap) *.
23370 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23371 ssa_prop_fini): Adjust the uses of cfg_blocks.
23373 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23375 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23377 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23378 hashing trees instead of a pointer hash.
23379 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23380 compare for MEM_EXPR.
23382 PR rtl-optimization/25130
23383 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23384 when comparing MEMs for GCSE
23386 2006-01-03 Ben Elliston <bje@au.ibm.com>
23388 * targhooks.h (default_decimal_float_supported_p): Declare.
23389 * targhooks.c (default_decimal_float_supported_p): Define.
23390 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23391 `default_decimal_float_supported_p'.
23392 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23394 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23396 * combine.c (apply_distributive_law <SUBREG>): Check
23397 TRULY_NOOP_TRUNCATION.
23399 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23401 * dwarf2out.c (have_switched_text_section): Delete.
23402 (have_multiple_function_sections): New.
23403 (have_location_lists): Make 'bool'.
23404 (add_AT_loc_list): Use 'true' not '1'.
23405 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23406 (output_loc_list): Use have_multiple_function_sections.
23407 (output_ranges): Likewise.
23408 (dwarf2out_begin_function): Set have_multiple_function_sections if
23410 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23411 Check function_section rather than DECL_SECTION_NAME.
23412 (dwarf2out_finish): Use have_multiple_function_sections.
23413 Don't clear have_location_lists.
23415 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23416 Jan Hubicka <jh@suse.cz>
23418 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23419 case of conditional jump jumping to the next instruction.
23420 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23421 cases of conditional jump jumping to the next instruction.
23423 2006-01-02 Jan Hubicka <jh@suse.cz>
23425 * i386.c (*_cost): Add COSTS_N_INSNS.
23426 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23428 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23431 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23433 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23435 * config/arm/arm.c (all_fpus): Fix comment typo.
23436 * config/darwin.c: Likewise.
23437 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23438 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23439 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23441 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23443 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23444 (rs6000_split_compare_and_swapqhi): New.
23445 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23446 (sync_compare_and_swapqhi_internal): New.
23447 * config/rs6000/rs6000-protos.h: Declare.