1 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
4 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
5 (STAGE1_CHECKING_CFLAGS): ... this.
7 2006-12-18 Andrew Pinski <pinskia@gmail.com>
10 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
11 READONLY on __builtin_altivec_mask_for_load instead of adding
14 2006-12-18 Roger Sayle <roger@eyesopen.com>
15 Eric Christopher <echristo@apple.com>
18 * real.c (real_maxval): Correctly handle IBM extended double format.
20 2006-12-19 Jan Hubicka <jh@suse.cz>
22 * expmed.c (expand_mult_const): Force operand to constant.
23 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
24 copy_rtx to arguments.
26 2006-12-19 Ben Elliston <bje@au.ibm.com>
28 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
30 2006-12-19 Ben Elliston <bje@au.ibm.com>
32 * cse.c (cse_insn): Fix formatting.
34 2006-12-18 Geoffrey Keating <geoffk@apple.com>
36 * doc/invoke.texi (Debugging Options): Document -g0.
37 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
38 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
40 2006-12-18 Ian Lance Taylor <iant@google.com>
42 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
43 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
46 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
48 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
49 (struct vuse_optype_d): Delete.
50 (SSA_OPERAND_MEMORY_SIZE): Delete.
51 (struct ssa_operand_memory_d): Change mem array to size one.
52 (NUM_VOP_FREE_BUCKETS): Define.
53 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
54 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
55 * tree-pretty-print.c (dump_vops): Use voptype_d type.
56 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
57 which fit into a chunk of memory from a specific bucket.
58 (vop_free_bucket_index): New. Find correct size memory bucket.
59 (init_vop_buckets): New. Initialize VOP free memory buckets.
60 (add_vop_to_freelist): New. Add a VOP to the correct free list.
61 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
62 (init_ssa_operands): Initialize operand memory and free lists.
63 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
64 (ssa_operand_alloc): Use graduated size memory allocation.
65 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
66 INITIALIZE_USE): Remove.
67 (alloc_vop): New. Allocate a virtual operand.
68 (alloc_vdef, alloc_vuse): Delete.
69 (add_def_op, add_use_op): Directly setup pointers.
70 (add_vop): New. Add a virtual operand.
71 (add_vuse_op, add_vdef_op): Call add_vop.
72 (realloc_vop): New. Reallocate a virtual operand.
73 (realloc_vdef, realloc_vuse): Call realloc_vop.
74 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
75 (finalize_ssa_defs): Optimize for common case, remove code based on
76 sorted pointers which was a waste of time.
77 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
78 (finalize_ssa_uses): Update last pointer.
79 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
80 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
81 directly manipulate pointers.
82 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
84 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
86 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
87 determine if memory operand is an indexed address or not.
89 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
91 * cselib.c (struct cselib_val_struct): Make val_rtx its
92 own field, remove the union that contained it.
93 * cselib.c: Update accordingly where necessary.
95 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
97 * cse.c (have_eh_succ_edges): New function.
98 (cse_insn): Don't remove dead EH edges here
99 (cse_extended_basic_block): Do it here.
100 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
101 that we have removed all dead edges.
103 2006-12-17 Matthias Klose <doko@debian.org>
106 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
108 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
110 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
111 (cse_extended_basic_block): When truncating a path while processing
112 it, make sure to clear the visited bit on the basic blocks in the
113 truncated part of the path.
114 (cse_main): Use reverse completion order, not DFS order, to walk
116 (gate_handle_cse): Revert erroneous commit of a counter.
118 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
120 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
121 variables, moved out from cse_insn.
122 (prev_insn): Remove this global variable).
123 (new_basic_block): Don't set it.
124 (cse_insn): Idem. Also, move code to delete unused CC0-setter
125 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
127 (cse_extended_basic_block): ...to here. Do not clear
128 prev_insn_cc0 until after recording equivalences from jumps.
130 2006-12-16 Jan Hubicka <jh@suse.cz>
132 * cgraphunit.c (ipa_passes): Clear current_function_decl.
134 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
136 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
138 2006-12-16 Jan Hubicka <jh@suse.cz>
140 * omp-low.c (expand_omp_parallel): Set function properties.
141 * function.h (struct function): Add curr_properties and last_verified.
142 * passes.c (register_dump_files): Do not set TODO_set_props for the
144 (init_optimization_passes): Set it here; reorder initialization so the
145 dump files appear in more logical order.
146 (last_verified, curr_properties): Kill.
147 (do_per_function): New function.
148 (execute_function_todo): Break out from ...
149 (execute_todo): ... here; handle per-function flags.
150 (clear_last_verified, verify_curr_properties,
151 update_properties_after_pass): New functions.
152 (execute_one_pass): Handle per-function properties.
153 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
154 and current_function_decls are cleared out.
155 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
158 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
161 * c.opt (Wempty-body): New.
162 * doc/invoke.texi (Wempty-body): Document it.
163 (Wextra): Enabled by -Wextra.
164 * c-opts.c (c_common_post_options): Enabled by -Wextra.
165 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
166 * c-parser.c (c_parser_c99_block_statement): Likewise.
168 2006-12-15 Jakub Jelinek <jakub@redhat.com>
171 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
174 2006-12-15 Andrew Pinski <pinski@gmail.com>
177 * tree-inline.c (setup_one_parameter): Gimplify the statement if
178 the variable is not a gimple register variable.
180 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
182 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
184 2006-12-14 Jan Hubicka <jh@suse.cz>
186 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
189 2006-12-14 Richard Guenther <rguenther@suse.de>
191 PR tree-optimization/30197
192 * builtins.c (fold_builtin_cexp): New function to fold cexp
193 to cexpi and exp parts.
194 * tree-ssa-pre.c (try_combine_conversion): Also handle
195 REALPART_EXPR and IMAGPART_EXPR.
197 2006-12-14 Richard Guenther <rguenther@suse.de>
200 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
201 + __complex__ ( 0, y ) to __complex__ ( x, y ).
202 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
204 2006-12-14 Richard Guenther <rguenther@suse.de>
206 PR tree-optimization/30198
207 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
208 Fold IMAGPART_EXPR of cexpi to sin.
210 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
211 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
213 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
214 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
216 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
217 (spu_builtin_mask_for_load): New.
218 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
219 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
220 (vec_realign_load_<mode>, spu_lvsr): New.
222 2006-12-13 Ian Lance Taylor <iant@google.com>
226 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
227 to warn_about_parentheses in c-common.c.
228 * c-common.c (warn_about_parentheses): New function.
229 * c-common.h (warn_about_parentheses): Declare.
230 * doc/invoke.texi (Warning Options): Update -Wparentheses
233 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
235 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
237 (constant_multiple_of): Fix order of operators for division.
238 (aff_combination_const, aff_combination_elt, aff_combination_scale,
239 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
240 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
241 aff_combination_to_tree): Moved to tree-affine.c and made to work with
242 double_int coefficients.
243 (get_computation_aff, get_computation_at): Work with double_int
245 (get_computation_cost_at): Do not use divide.
246 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
247 Assert that expressing the computation did not fail.
248 * tree-ssa-address.c: Include tree-affine.h.
249 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
250 create_mem_ref): Work with double_int coefficients.
251 * tree-affine.c: New file.
252 * tree-affine.h: New file.
253 * tree-flow.h (struct affine_tree_combination): Removed.
254 * Makefile.in (tree-affine.o): Add.
255 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
258 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
262 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
263 the offset == 0 "then" clauses.
264 * config/rs6000/predicates.md (gpc_reg_operand): Check for
267 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
269 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
270 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
271 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
272 (FRAME_POINTER_REGNUM): Update register number to 20.
273 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
274 (HI_REGISTER_NAMES): Remove "dirflag".
276 * config/i386/i386.c (regclass_map): Remove dirflag entry.
277 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
279 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
281 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
282 (sse_prologue_save, *sse_prologue_save_insn): Renumber
283 hardcoded SSE register numbers.
285 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
286 hardcoded MMX register numbers.
289 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
291 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
292 FLDMX. Rename function to...
293 (vfp_output_fldmd): ...this.
294 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
296 (vfp_output_fstmd): ...this.
297 (vfp_emit_fstmx): Don't leave space in the frame layout for the
298 FSTMX format word. Rename function to...
299 (vfp_emit_fstmd): ...this.
300 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
302 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
303 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
304 word. Also emit "vsave" assembler directives in such cases rather
306 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
307 gnu_Unwind_Save_VFP): Adjust comments.
308 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
309 for saving and restoring using FSTMD and FLDMD rather than
311 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
312 New functions for saving and restoring the VFPv3 registers 16 .. 31.
313 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
314 compilation case to correctly handle unwind opcode 0xc8 when using
316 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
317 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
318 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
319 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
321 (restore_non_core_regs): Restore registers using FLDMD rather than
322 FLDMX if required. Also handle restoration of VFPv3 registers.
323 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
324 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
325 including cases where the caller specifies a range of registers
326 that overlaps the d15/d16 boundary.
328 2006-12-13 Diego Novillo <dnovillo@redhat.com>
331 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
332 accomodate 511 operands.
334 2006-12-13 Richard Guenther <rguenther@suse.de>
336 * builtins.c (expand_builtin_cexpi): Fix typo.
338 2006-12-13 Jan Hubicka <jh@suse.cz>
340 * Makefile.in: Add dependencies.
341 * tree-pretty-print.c: Include value-prof.h
342 (dump_generic_bb_buff): Dump histograms
343 * value-prof.c: Include pointer-set.h
344 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
345 set_histogram_value, gimple_histogram_value,
346 gimple_add_histogram_value, gimple_remove_histogram_value,
347 gimple_histogram_value_of_type, dump_histogram_value,
348 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
349 gimple_duplicate_stmt_histograms, visit_hist,
350 verify_histograms): New functions.
351 (tree_value_profile_transformations): Update for new histogram API.
352 (tree_divmod_fixed_value): Update for new histogram API.
353 (tree_divmod_fixed_value_transform): Update for new histogram API.
354 (tree_mod_pow2): Update for new histogram API.
355 (tree_mod_pow2_value_transform): Update for new histogram API.
356 (tree_mod_subtract): Update for new histogram API.
357 (tree_mod_subtract_transform): Update for new histogram API.
358 (tree_stringops_transform): Update for new histogram API.
359 (tree_divmod_values_to_profile): Update for new histogram API.
360 (tree_stringops_values_to_profile): Update for new histogram API.
361 (tree_find_values_to_profile): Update for new histogram API.
362 * value-prof.h (gimple_histogram_value): Declare.
363 (gimple_histogram_value_of_type): Declare.
364 (gimple_add_histogram_value): Declare.
365 (gimple_remove_histogram_value): Declare.
366 (dump_histograms_for_stmt): Declare.
367 (gimple_remove_histogram_value): Declare.
368 (gimple_remove_stmt_histograms): Declare.
369 (gimple_duplicate_stmt_histograms): Declare.
370 (verify_histograms): Declare.
372 (struct funrction): Add value_histograms hash.
373 (VALUE_HISTOGRAMS): New macro.
374 * profile.c (compute_value_histograms): update for new API.
375 * tree-inline.c: Include value-prof.h
376 (copy_bb): Update histograms.
377 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
378 reorder to get smaller memory layout.
379 * tree-cfg.c: Include value-prof.h
380 (bsi_remove): Update histograms.
381 (bsi_replace): Update histograms.
382 (verify_stmts): Call histogram verifier.
383 (tree_duplicate_bb): Update histograms.
384 (move_block_to_fn): Update histograms.
386 2006-12-13 Richard Guenther <rguenther@suse.de>
388 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
390 (cgraph_decide_inlining): Likewise.
392 2006-12-13 Richard Guenther <rguenther@suse.de>
394 PR tree-optimization/17687
395 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
396 New builtins for imaginary argument cexp.
397 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
398 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
399 New required builtin types.
400 * builtins.c (expand_builtin_cexpi): Declare.
401 (mathfn_built_in): Handle BUILT_IN_CEXPI.
402 (expand_builtin_cexpi): New static helper.
403 (expand_builtin): Call it.
404 (do_mpfr_sincos): Adjust for CEXPI evaluation.
405 (fold_builtin_sincos): New function to fold sincos to cepxi.
407 2006-12-13 Richard Guenther <rguenther@suse.de>
409 * ipa-reference.c (scan_for_static_refs): Also scan
410 tcc_comparison class trees.
412 2006-12-12 David Daney <ddaney@avtrex.com>
414 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
417 2006-12-12 Andrew Pinski <pinskia@gmail.com>
419 * tree-vect-transform.c (vect_permute_load_chain):
420 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
423 2006-12-13 Sa Liu <saliu@de.ibm.com>
424 Ben Elliston <bje@au.ibm.com>
426 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
427 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
428 * config/spu/spu-protos.h (spu_c_common_override_options):
430 * config/spu/spu-c.c (spu_c_common_override_options): New.
431 * config/spu/spu.c (spu_override_options): Whitespace fix.
433 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
435 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
437 2006-12-12 Geoffrey Keating <geoffk@apple.com>
439 * mips-tdump.c: Replace CROSS_COMPILE with
440 CROSS_DIRECTORY_STRUCTURE.
441 * mips-tfile.c: Likewise.
443 * configure.ac: Likewise.
444 * cppdefault.c: Likewise.
445 * Makefile.in: Likewise.
446 * config/alpha/osf.h: Likewise.
447 * config/i386/cygwin.h: Likewise.
448 * config/i386/beos-elf.h: Likewise.
449 * config/i386/nto.h: Likewise.
450 * config/fr30/fr30.h: Likewise.
451 * config/svr4.h: Likewise.
452 * config/rs6000/aix.h: Likewise.
453 * config/rs6000/sysv4.h: Likewise.
454 * config/pa/pa64-hpux.h: Likewise.
455 * config/pa/pa-hpux10.h: Likewise.
456 * config/pa/pa-hpux11.h: Likewise.
457 * collect2.c: Likewise.
458 * configure: Regenerate.
460 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
461 actually takes an unsigned HOST_WIDE_INT for its second parameter.
463 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
465 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
466 (spu_encode_section_info): New.
467 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
468 (SYMBOL_FLAG_ALIGN1): New.
470 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
473 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
474 bitmap for EXECUTE_IF_SET_IN_BITMAP.
476 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
479 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
480 (DECL_GIMPLE_REG_P): This.
481 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
483 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
484 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
485 and check for VECTOR_TYPE.
486 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
488 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
490 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
491 and check for VECTOR_TYPE.
492 (gimplify_bind_expr): Likewise.
493 (gimplify_function_tree): Likewise.
494 * expmed.c: Include target.h.
495 (extract_bit_field): For vector mode, try find a better mode first.
496 If that fails use gen_lowpart (for vectors only).
497 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
498 and check for VECTOR_TYPE.
499 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
500 (insert_into_preds_of_block): Likewise.
501 (insert_fake_stores): Create gimple register store_tmps for
503 * tree-sra.c (sra_elt): New field, is_vector_lhs.
504 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
505 are the left hand side, set the element's is_vector_lhs to true.
506 (instantiate_element): For vector types which were on the left
507 hand size, set DECL_GIMPLE_REG_P to false.
508 * tree-nested.c (create_tmp_var_for): Use the renamed
510 * tree-inline.c (declare_return_variable): Use the renamed
511 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
512 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
513 (copy_result_decl_to_var): Likewise.
514 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
515 create a gimple register variable.
516 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
517 vect_inter_* temp variables.
518 * Makefile.in (expmed.o): Update dependencies.
520 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
522 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
523 the offset == 0 "then" clauses.
524 * config/rs6000/predicates.md (gpc_reg_operand): Check for
527 2006-12-12 Marcin Dalecki <martin@dalecki.de>
529 * doc/passes.texi: remove docs about "redundant PHI removal".
530 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
531 remove redundant pass_partition_blocks declaration.
533 2006-12-12 Andrew Macleod <amacleod@redhat.com>
535 PR tree-optimization/30159
536 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
537 functions in case a default_def coalesce is required.
539 2006-12-12 Jakub Jelinek <jakub@redhat.com>
542 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
544 * config/ia64/linux.h (CPP_SPEC): Define.
545 * config/s390/linux.h (CPP_SPEC): Define.
547 2006-12-12 Jim Wilson <wilson@specifix.com>
548 Jakub Jelinek <jakub@redhat.com>
550 PR rtl-optimization/27761
551 * combine.c (try_combine): Don't create a useless garbage SET
552 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
553 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
554 and use it to prevent accidental modification of i1src.
556 2006-12-12 Ira Rosen <irar@il.ibm.com>
558 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
559 for stores with gaps.
560 * tree-vect-transform.c (vect_permute_store_chain): Create
561 interleave_high or interleave_low according to the endianess.
563 2006-12-12 Richard Guenther <rguenther@suse.de>
566 * fold-const.c (fold_read_from_constant_string): Only fold read
567 from constant string if the result type is integer.
569 2006-12-12 Olivier Hainque <hainque@adacore.com>
571 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
573 2006-12-12 Olivier Hainque <hainque@adacore.com>
575 * config/vxlib.c: Extract tls related routines into ...
576 * config/vxlib-tls.c: New file.
577 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
579 2006-12-12 Sa Liu <saliu@de.ibm.com>
580 Ben Elliston <bje@au.ibm.com>
582 * config/spu/spu.opt (mfixed-range): New option.
583 * config/spu/spu.h (spu_fixed_range_string): Declare.
584 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
585 (fix_range): New function.
586 * doc/invoke.texi (SPU Options): Document -mfixed-range.
587 * testsuite/gcc.target/spu/fixed-range.c: New.
588 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
590 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
594 * cgraphunit.c (cgraph_optimize): Remove call to
595 process_pending_assemble_externals.
597 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
599 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
601 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
602 (ia64_hpux_add_extern_decl): Removed.
603 (ia64_hpux_file_end): Likewise.
604 (extern_func_list): Likewise.
605 (extern_func_head): Likewise.
607 * output.h (assemble_external): Update comments.
608 (default_elf_asm_output_external): New.
609 (maybe_assemble_visibility): New.
611 * toplev.c (compile_file): Update comment.
613 * varasm.c (assemble_external): Always put it on
614 pending_assemble_externals.
615 (maybe_assemble_visibility): Make it extern and return int.
616 (default_elf_asm_output_external): New.
618 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
620 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
621 can't handle the pointer arithmetic.
623 2006-12-11 Diego Novillo <dnovillo@redhat.com>
625 * doc/tree-ssa.texi: Update documentation for virtual operands
626 and the use of push_stmt_changes/pop_stmt_changes.
627 * doc/invoke.texi: Remove documentation for params
628 global-var-threshold.
629 Update documentation on max-aliased-vops.
631 * tree-into-ssa.c: Cleanup comments, variables and
632 spacing in various functions.
633 (regs_to_rename): Declare.
634 (mem_syms_to_rename): Declare.
635 (dump_update_ssa): Declare.
636 (debug_update_ssa): Declare.
637 (dump_names_replaced_by): Declare.
638 (debug_names_replaced_by): Declare.
639 (dump_def_blocks): Declare.
640 (debug_def_blocks): Declare.
641 (dump_defs_stack): Declare.
642 (debug_defs_stack): Declare.
643 (dump_currdefs): Declare.
644 (debug_currdefs): Declare.
645 (mark_def_sites): Do not handle virtual operands.
646 (compute_idf): Rename from find_idf. Update users.
647 (register_new_def): Make local. Convert second argument
649 Use BLOCK_DEFS_STACK directly.
650 If pushing a non-register, also push the underlying
652 (rewrite_stmt): Do not handle virtual operands.
653 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
654 dump_currdefs and dump_tree_ssa_stats.
655 (dump_tree_ssa_stats): Also dump REPL_TBL.
656 (replace_use): Remove. Update all users to call SET_USE
658 (rewrite_blocks): Move code to free memory to
660 (mark_def_site_blocks): Move initialization code to
662 (init_ssa_renamer): New.
663 (fini_ssa_renamer): New.
664 (rewrite_into_ssa): Call them.
665 (prepare_block_for_update): Process SSA_OP_ALL_USES first
666 and SSA_OP_ALL_DEFS later. Do not process virtual
668 (dump_update_ssa): Call dump_decl_set.
669 (init_update_ssa): Initialize regs_to_rename and
671 Call init_ssa_renamer.
672 (delete_update_ssa): Call fini_ssa_renamer.
673 Free blocks_with_phis_to_rewrite.
674 (mark_sym_for_renaming): If the variable has
675 sub-variables, also mark them.
676 If the variable belongs to a partition, also mark it.
677 (mark_set_for_renaming): Call mark_sym_for_renaming on
678 every symbol in the set.
679 (switch_virtuals_to_full_rewrite): Call
680 mark_set_for_renaming.
681 (update_ssa): Separate syms_to_rename into regs_to_rename
682 and mem_syms_to_rename.
684 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
685 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
686 (debug_generic_stmt): Likewise.
687 (debug_tree_chain): Likewise.
689 (dump_generic_node): Check for TDF_MEMSYMS.
690 Handle MEMORY_PARTITION_TAG.
691 If the statement references memory and TDF_MEMSYMS is
692 given, call dump_symbols.
693 Indicate default names with (D).
694 (dump_vops): Update for new virtual operator format.
696 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
697 tree_contains_struct.
698 (tree_code_size): Handle MEMORY_PARTITION_TAG.
699 (tree_node_structure): Likewise.
700 (needs_to_live_in_memory): Handle SSA names.
701 * tree.h (MTAG_P): Likewise.
702 (struct tree_memory_partition_tag): Declare.
703 (MPT_SYMBOLS): Define.
704 (union tree_node): Add field 'mpt'.
705 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
706 * tree.def (MEMORY_PARTITION_TAG): Define.
708 * tree-pass.h (TDF_MEMSYMS): Define.
710 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
712 * tree-ssa-alias.c: Include pointer-set.h
713 (struct alias_map_d): Remove fields total_alias_vops,
714 grouped_p and may_aliases. Update all users.
715 (struct mp_info_def): Declare.
716 (mp_info_t): New type.
717 (get_smt_for): Rename from get_tmt_for. Update all
719 (add_may_alias): Add argument ALREADY_ADDED. If given,
720 use it to avoid adding duplicate entries to alias sets.
721 (replace_may_alias): Remove. Update all users.
722 (total_alias_vops_cmp): Remove. Update all users.
723 (group_aliases_into): Remove. Update all users.
724 (tree_pointer_compare): Remove. Update all users.
725 (compact_name_tags): Remove. Update all users.
726 (group_aliases): Remove. Update all users.
727 (mark_non_addressable): Move from tree-flow-inline.h.
728 Remove the symbol from the partition holding it, if
731 (debug_mp_info): New.
733 (create_partition_for): New.
734 (rewrite_alias_set_for): New.
735 (compute_memory_partitions): New.
736 (compute_may_aliases): Call it.
737 (init_alias_info): If computing aliases for the first
738 time, mark every memory symbol for renaming.
739 (have_common_aliases_p): New.
740 (compute_flow_insensitive_aliasing): Call it.
741 (setup_pointers_and_addressables): Do not cache
743 For register promoted symbols, mark their former
744 partition for renaming.
745 (maybe_create_global_var): Only create .GLOBAL_VAR if
746 there are no call-clobbered variables and a mix of pure
747 and non-pure functions were found.
748 (may_alias_p): Tidy comments.
749 (create_tag_raw): Remove unused variable new_type.
750 (dump_alias_info): call dump_memory_partitions.
751 (dump_points_to_info_for): Call dump_decl_set.
752 (may_be_aliased): Tidy comments and formatting.
754 * timevar.def (TV_MEMORY_PARTITIONING): Define.
755 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
756 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
758 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
759 * tree-vect-transform.c (vect_transform_loop): Call
760 mark_set_for_renaming with vect_memsyms_to_rename.
761 * tree-flow-inline.h (zero_imm_uses_p): New.
762 (memory_partition): New.
763 (set_memory_partition): New.
764 (factoring_name_p): New.
765 (symbol_mem_tag): New. Update every function that used
766 to access the annotation directly.
767 (set_symbol_mem_tag): Likewise.
769 * tree-ssa-copy.c (may_propagate_copy): Allow copies
770 between a partition and a symbol as long as the symbol
771 belongs to the partition.
772 (merge_alias_info): Ignore merge requests when memory
773 partitions are involved.
775 * tree-ssa.c (verify_ssa_name): Check that default
776 definitions have empty defining statements.
777 (verify_use): Remove argument IS_VIRTUAL.
778 Don't call verify_ssa_name.
779 (verify_phi_args): Call verify_ssa_name.
780 (verify_flow_insensitive_alias_info): Handle MPTs.
781 (verify_flow_sensitive_alias_info): Likewise.
782 (verify_name_tags): Likewise.
783 (verify_call_clobbering): Likewise.
784 (verify_ssa): Check for VOPs only after aliasing
785 information is available.
786 Check virtuals and real operands separately.
787 Call verify_ssa_name on every operand.
788 (stmt_references_memory_p): Move to tree-ssa-operands.c.
789 (walk_use_def_chains_1): Guard against NULL PHI
792 * tree-ssa-operands.c (stmt_references_memory_p): Move from
795 (dump_memory_partitions): New.
796 (debug_memory_partitions): New.
798 * tree-flow.h (struct var_ann_d): Add field mpt.
799 (struct stmt_ann_d): Add bitfield references_memory.
800 * Makefile.in (tree-ssa-structalias.o): Include
802 (tree-ssa-alias.o): Likewise.
803 * tree-ssa-structalias.c: (update_alias_info): Use
804 STORED_SYMS to determine which variables are being
805 written to by the store operation.
806 * tree-ssa-structalias.h (struct alias_info)
807 <total_alias_vops>: Remove. Update all users.
808 <written_vars>: Change to a pointer set. Update all
810 <dereferenced_ptrs_store>: Likewise.
811 <dereferenced_ptrs_load>: Likewise.
812 (NUM_REFERENCES): Remove. Update all users.
813 (NUM_REFERENCES_CLEAR): Remove. Update all users.
814 (NUM_REFERENCES_INC): Remove. Update all users.
815 (NUM_REFERENCES_SET): Remove. Update all users.
817 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
819 (PARAM_MAX_ALIASED_VOPS): Set to 10.
820 * tree-ssanames.c (make_ssa_name): Initialize
821 SSA_NAME_IS_DEFAULT_DEF to 0.
823 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
825 * tree-ssa-dse.c (aggregate_vardecl_d): New.
826 (dse_global_data): Add aggregate_vardecl field.
827 (dse_possible_dead_store_p): New.
828 Add prev_defvar variable.
829 Allow immediate uses and previous immediate uses to differ
830 if they are setting different parts of the whole.
831 (get_aggregate_vardecl): New.
832 (dse_record_partial_aggregate_store): New.
833 (dse_whole_aggregate_clobbered_p): New.
834 (dse_partial_kill_p): New.
835 (dse_optimize_stmt): Abstract code checking a possible dead store
836 into new function dse_possible_dead_store_p().
837 Call dse_maybe_record_aggregate_store().
838 When checking whether a STMT and its USE_STMT refer to the
839 same memory address, check also for partial kills that clobber
841 Move some variable definitions to the block where they are used.
842 (aggregate_vardecl_hash): New.
843 (aggregate_vardecl_eq): New.
844 (aggregate_vardecl_free): New.
845 (aggregate_whole_store_p): New.
846 (tree_ssa_dse): Initialize and free aggregate_vardecl.
847 Mark which aggregate stores we care about.
849 2006-12-11 Andrew Macleod <amacleod@redhat.com>
851 * tree-ssa-operands.h (struct vuse_element_d): Declare.
852 (vuse_element_t): Declare.
853 (struct vuse_vec_d): Declare.
854 (vuse_vec_p): Declare.
855 (VUSE_VECT_NUM_ELEM): Define.
856 (VUSE_VECT_ELEMENT_NC): Define.
857 (VUSE_ELEMENT_PTR_NC): Define.
858 (VUSE_ELEMENT_VAR_NC): Define.
859 (VUSE_VECT_ELEMENT): Define.
860 (VUSE_ELEMENT_PTR): Define.
861 (VUSE_ELEMENT_VAR): Define.
862 (struct maydef_optype_d) <use_var>: Remove.
865 (struct vuse_optype_d) <kill_var>: Remove.
868 (struct mustdef_optype_d) <kill_var>: Remove.
871 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
872 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
875 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
876 (MAYDEF_OP): Add argument. Use VUSE_OP.
877 (MAYDEF_NUM): Define.
878 (MAYDEF_VECT): Define.
879 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
880 (MUSTDEF_KILL): Use VUSE_OP.
881 (MUSTDEF_NUM): Define.
882 (MUSTDEF_VECT): Define.
883 (realloc_maydef): Declare.
884 (realloc_vuse): Declare.
885 (struct ssa_operand_iterator_d) <vuse_index>: Add.
887 (LOADED_SYMS): Define.
888 (STORED_SYMS): Define.
889 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
890 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
892 * tree-pretty-print.c: Likewise.
893 * tree-ssa-dse.c: Likewise.
894 * tree-flow-inline.h: Likewise.
895 (op_iter_next_mustdef): New.
896 * tree-ssa-operands.c: Likewise.
897 (ALLOC_OPTYPE): Remove.
903 (alloc_mustdef): New.
904 (realloc_maydef): New.
907 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
909 * tree-ssa-operands.c: Remove build_v_must_defs.
910 (init_ssa_operands): Delete build_v_must_defs.
911 (finalize_ssa_v_must_def_ops): Remove.
912 (finalize_ssa_v_must_defs): Remove.
913 (finalize_ssa_stmt_operands): Do not call
914 finalize_ssa_v_must_defs.
915 (start_ssa_stmt_operands): Do not check build_v_must_defs.
916 (append_v_must_def): Delete.
917 (copy_virtual_operands): Do not copy V_MUST_DEFs.
918 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
919 comment. Remove opf_kill_def.
920 (build_ssa_operands): Remove references to v_must_defs.
921 (copy_virtual_operands): Same.
922 (copy_virtual_operands): Same.
923 (fini_ssa_operands): Same.
924 (free_ssa_operands): Same.
925 (add_mustdef_op): Remove.
926 Remove mustdef_optype_p.
927 (alloc_mustdef): Remove.
928 Remove references to V_MUST_DEFs in comment at top of file.
929 (get_expr_operands): Remove opf_kill_def.
930 (opf_kill_def): Remove.
931 (add_virtual_operand): Remove opf_kill_def.
932 (get_indirect_ref_operands): Same.
933 (get_tmr_operands): Same.
935 * tree-vectorizer.c (rename_variables_in_bb): Remove
938 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
940 (check_loop_closed_ssa_stmt): Same.
942 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
944 (verify_ssa): Remove V_MUST_DEFs traces.
945 (verify_ssa): Remove SSA_OP_ALL_KILLS.
947 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
949 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
950 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
952 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
954 (MUSTDEF_OPS): Remove.
955 (SSA_OP_VMUSTDEF): Remove.
956 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
957 (struct mustdef_optype_d): Remove.
958 Remove mustdef_optype_p.
959 (struct stmt_operands_d): Remove mustdef_ops.
960 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
961 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
962 (MUSTDEF_RESULT_PTR): Remove.
963 (MUSTDEF_RESULT): Remove.
964 (MUSTDEF_KILL_PTR): Remove.
965 (MUSTDEF_KILL): Remove.
966 (MUSTDEF_NUM): Remove.
967 (MUSTDEF_VECT): Remove.
968 (SSA_OP_VIRTUAL_KILLS): Remove.
969 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
970 (SSA_OP_VMUSTKILL): Remove.
971 (SSA_OP_ALL_KILLS): Remove.
972 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
974 * tree-flow-inline.h (op_iter_init_def): Remove
975 SSA_OP_VIRTUAL_KILLS.
976 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
978 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
979 SSA_OP_VIRTUAL_KILLS.
981 * tree-ssa-loop-im.c (determine_max_movement): Remove
982 SSA_OP_VIRTUAL_KILLS.
983 (gather_mem_refs_stmt): Same.
984 (gather_mem_refs_stmt): Same.
986 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
987 (perform_tree_ssa_dce): Remove call to
988 mark_really_necessary_kill_operand_phis.
990 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
992 (op_iter_next_use): Do not check mustkills.
993 (op_iter_next_def): Do not check mustdefs.
994 (op_iter_next_tree): Do not check mustkills or mustdefs.
995 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
996 (op_iter_next_maymustdef): Do not check mustkills.
997 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
998 (op_iter_init_mustdef): Remove.
1000 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1003 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1005 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1006 (visit_assignment): Same.
1008 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1010 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1012 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1014 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1015 Remove kill_p variable.
1017 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1018 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1019 (collect_dfa_stats_r): Do not set num_v_must_defs.
1020 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1023 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1026 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1027 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1029 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1032 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1034 PR rtl-optimization/30113
1035 * loop-iv.c (implies_p): Require the mode of the operands to be
1038 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1040 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1041 Rename from create_ssa_artficial_load_stmt. Update all users.
1042 * tree-into-ssa.c (register_new_def): Make static.
1043 * tree.c (is_global_var): Handle SSA_NAMEs.
1044 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1045 that used to call gimple_default_def.
1046 * tree-ssa-operands.c (push_stmt_changes): New.
1047 (pop_stmt_changes): New. Update every pass that modifies
1048 statements to bracket modifications with
1049 push_stmt_changes/pop_stmt_changes.
1050 (discard_stmt_changes): New.
1051 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1052 'tree *' instead of 'tree'. Update all users.
1053 * tree-flow-inline.h (zero_imm_uses_p): New.
1054 (symbol_mem_tag): New. Update every function that used
1055 to access the annotation directly.
1056 (set_symbol_mem_tag): Likewise.
1057 * tree-dfa.c (dump_variable): Always show the escape mask.
1058 (mark_symbols_for_renaming): Rename from
1059 mark_new_vars_to_rename. Update all users.
1060 Only mark to rename naked symbols in real and virtual
1063 2006-12-11 Andreas Schwab <schwab@suse.de>
1065 * varasm.c (elf_record_gcc_switches): Cast second argument of
1066 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1068 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1070 * tree-scalar-evolution.c (scev_const_prop):
1071 * tree-phinodes.c (remove_phi_node): Add argument
1072 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1075 * tree-ssa-dce.c: Remove forward declarations for static
1076 functions. Re-arrange functions bodies as needed.
1077 (find_obviously_necessary_stmts): Never mark PHI nodes as
1078 obviously necessary.
1080 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1082 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1084 2006-12-11 Jan Hubicka <jh@suse.cz>
1086 * value-prof.c (tree_stringops_transform): New.
1087 (tree_value_profile_transformations): Require count to be non-zero;
1088 call stringop transform; reset stmt BSI after BB changed.
1089 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1090 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1091 (tree_stringops_values_to_profile): New.
1092 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1093 * tree.h (build_string_literal): Tidy prototype.
1094 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1096 * builtins.c (validate_arglist, builtin_memset_read_str,
1097 get_pointer_alignment): Export.
1099 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1103 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1105 * config/i386/i386.opt: New target option -mx87regparm.
1107 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1108 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1109 (X87_REGPARM_MAX): Define.
1111 * config/i386/i386.c (override_options): Error out for
1112 -mx87regparm but no 80387 support.
1113 (ix86_attribute_table): Add x87regparm.
1114 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1115 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1116 (ix86_function_x87regparm): New function.
1117 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1119 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1121 (function_arg_advance): Process x87_nregs and x87_regno when
1122 floating point argument is to be passed in 80387 register.
1123 (function_arg): Pass XFmode arguments in 80387 registers for local
1124 functions. Pass SFmode and DFmode arguments to local functions
1125 in 80387 registers when flag_unsafe_math_optimizations is set.
1127 * reg-stack.c (convert_regs_entry): Disable NaN load for
1128 stack registers that are used for argument passing.
1130 * doc/extend.texi: Document x87regparm function attribute.
1131 * doc/invoke.texi: Document -mx87regparm.
1133 2006-12-11 Jan Hubicka <jh@suse.cz>
1135 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1136 * cgraph.c: Update comments.
1137 (cgraph_varpool_hash,
1138 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1139 cgraph_varpool_node_name, cgraph_varpool_node,
1140 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1141 cgraph_variable_initializer_availability): Move to
1142 varpool.c and drop cgraph_ prefixes.
1143 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1144 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1145 move to varpool.c; drop cgraph_ prefix; make static.
1146 (dump_cgraph_varpool_node): Move to varpool.c under name
1148 (dump_varpool, hash_varpool_node, eq_varpool_node,
1149 decide_is_variable_needed): Move to varpool.c
1150 (decl_assembler_name_equal): Move to tree.c.
1151 (availability_names): Rename to ...
1152 (cgraph_availability_names): ... this one.
1153 (dump_cgraph_node): Update.
1154 * cgraph.h: Reorder declarations now in varpool.c
1155 (cgraph_vailablity_names): Declare.
1156 (struct cgraph_varpool_node): Rename to ...
1157 (struct varpool_node): ... this one.
1158 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1159 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1160 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1161 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1162 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1163 cgraph_variable_initializer_availability): Rename to ...
1164 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1165 varpool_first_unanalyzed_node, varpool_node,
1166 varpool_node_for_asm, varpool_mark_needed_node,
1167 varpool_finalize_decl, varpool_enqueue_needed_node,
1168 varpool_assemble_pending_decls, variable_initializer_availability):
1170 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1171 * tree.h (decl_assembler_name_equal): Declare.
1172 * omp-low.c (lower_omp_critical): Update.
1173 * ipa-reference (analyze_variable, static_execute): Likewise.
1174 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1175 * cgraphunit.c: Update comments.
1176 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1177 varpool_assembled_nodes_queue.
1178 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1179 varpool_analyze_pending_decls.
1180 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1181 varpool_remove_unreferenced_decls.
1182 (record_reference): Update.
1183 (cgraph_create_edges): Update.
1184 (record_referneces_in_initializer): New function.
1185 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1186 varpool_assemble_decl; make global.
1187 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1188 varpool_assemble_pending_decls.
1189 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1190 struct cgraph_order_sort, cgraph_output_in_order,
1191 cgraph_function_and_variable_invisibility, cgraph_optimize,
1192 cgraph_increase_alignment): Update.
1193 * dwarf2out.c (decls_for_scope): Likewise.
1194 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1195 * except.c (output_ttype): Likewise.
1196 * varasm.c (mark_decl_referenced): Likewise.
1197 (find_decl_and_mark_referenced, assemble_alias): update.
1198 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1199 * passes.c (rest_of_decl_compilation): Update.
1201 2006-12-11 Ira Rosen <irar@il.ibm.com>
1203 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1204 GIMPLE_STMT_OPERAND.
1205 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1206 (vect_setup_realignment): Likewise.
1208 2006-12-11 Sa Liu <saliu@de.ibm.com>
1209 Ben Elliston <bje@au.ibm.com>
1211 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1212 (ENDFILE_SPEC): Likewise.
1213 * config/spu/spu.opt (mstdmain): New option.
1214 * config/spu/crti.asm: Remove.
1215 * config/spu/crtn.asm: Likewise.
1216 * config/spu/crt0.c: Likewise.
1217 * config/spu/crtend.c: Likewise.
1218 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1220 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1221 * doc/invoke.texi (SPU Options): Document -mstdmain.
1223 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1225 * doc/loop.texi: Document number_of_latch_executions and
1226 number_of_cond_exit_executions.
1227 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1228 chrec_is_positive, number_of_iterations_for_all_loops,
1229 scev_const_prop): Use number_of_latch_executions.
1230 (set_nb_iterations_in_loop): Do not increase the value of the
1231 number of iterations.
1232 (number_of_iterations_in_loop): Renamed to ...
1233 (number_of_latch_executions): ... this.
1234 (number_of_exit_cond_executions): New function.
1235 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1237 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1238 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1239 number_of_latch_executions.
1240 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1241 number_of_exit_cond_executions.
1242 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1243 * cfgloop.h (struct loop): Improve description of the nb_iterations
1246 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1248 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1249 (tree_pointer_compare): Remove.
1251 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1253 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1254 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1255 * tree-loop-linear.c (linear_transform_loops): Ditto.
1256 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1257 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1258 free_numbers_of_iterations_estimates): Ditto.
1259 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1260 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1261 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1262 * modulo-sched.c (sms_schedule): Ditto.
1263 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1264 tree_unroll_loops_completely): Ditto.
1265 * predict.c (predict_loops): Ditto.
1266 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1267 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1268 decide_unrolling_and_peeling): Ditto.
1269 * cfgloopmanip.c (unloop): Use delete_loop.
1270 (place_new_loop): Access larray vector instead of parray.
1271 (create_preheaders, force_single_succ_latches,
1272 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1273 * loop-doloop.c (doloop_optimize_loops): Ditto.
1274 * loop-invariant.c (move_loop_invariants): Ditto.
1275 * tree-cfg.c (replace_uses_by): Ditto.
1276 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1277 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1279 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1281 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1282 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1283 get_loop and get_chrec_loop.
1284 (number_of_iterations_for_all_loops): Use number_of_loops.
1285 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1286 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1287 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1289 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1290 chrec_convert_1): Use get_loop and get_chrec_loop.
1291 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1292 (loop_optimizer_init): Use FOR_EACH_LOOP.
1293 * tree-vectorizer.c (vect_loops_num): Removed.
1294 (vectorize_loops): Store number of loops locally. Use
1295 FOR_EACH_LOOP and get_loop.
1296 * tree-vectorizer.h (vect_loops_num): Removed.
1297 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1298 (find_data_references_in_loop): Do not set parallel_p.
1299 * tree-data-ref.h: Do not declare VEC(loop_p).
1300 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1301 verify_loop_structure): Use FOR_EACH_LOOP.
1302 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1303 (initialize_loops_parallel_p): Removed.
1304 (flow_loops_find): Push the loops into a vector.
1305 (delete_loop): New function.
1306 (cancel_loop): Use delete_loop.
1307 * cfgloop.h: Declare VEC(loop_p).
1308 (struct loop): Remove parallel_p field.
1309 (struct loops): Replace num and parray field by larray vector.
1310 Remove shared_headers field.
1311 (delete_loop): Declare.
1312 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1313 FOR_EACH_LOOP): New.
1314 * doc/loop.tex: Document new accessor functions.
1316 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1318 * common.opt (-ftree-lrs): Remove live range splitting option.
1319 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1320 * opts.c (decode_options): Remove flag_tree_live_range_split.
1321 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1322 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1323 * tree-outof-ssa.c: Remove header files which aren't needed.
1324 (SSANORM_*): Remove flags.
1325 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1326 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1327 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1328 (assign_vars): Use Basevar instead of root_var structure.
1329 (replace_def_variable): Dont do anything if def is replaceable.
1330 (remove_ssa_form): Integrate functional changes.
1331 (rewrite_out_of_ssa): Remove live-range_split option.
1332 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1333 (coalesce_cost): Calculate the cost of a coalesce.
1334 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1335 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1336 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1337 (pop_best_coalesce): Remove the best coalesce from the list.
1338 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1339 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1340 (create_coalesce_list): Create a coalesce list object.
1341 (delete_coalesce_list): Free a coalesce list object.
1342 (find_coalesce_pair): Find matching pair in the coalesce list.
1343 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1344 (add_coalesce): Add a coalesce to the coalesce list.
1345 (compare_pairs): Comparision function to determine pair sorted order.
1346 (num_coalesce_pairs): Number of coalesced pairs.
1347 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1348 Coalesce pair iterator functions.
1349 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1350 (dump_coalesce_list): Show coalesce list.
1351 (ssa_conflicts_new): Create an SSA conflict graph.
1352 (ssa_conflicts_delete): Delete an SSA conflict graph.
1353 (ssa_conflicts_test_p): Test for conflicts.
1354 (ssa_conflicts_add_one): Add a single conflict.
1355 (ssa_conflicts_add): Add a conflict pair.
1356 (ssa_conflicts_merge): Merge conflicts.
1357 (struct live_track_d): Struct for tracking live partitions.
1358 (new_live_track): Create new live_track object.
1359 (delete_live_track): Delete a live_track object.
1360 (live_track_remove_partition): Remove a partition from the live list.
1361 (live_track_add_partition): Add a partition from the live list.
1362 (live_track_clear_var): Take VAR from the live list.
1363 (live_track_live_p): Is var live?
1364 (live_track_process_use): Make var come alive.
1365 (live_track_process_def): Make var go dead, add conflicts.
1366 (live_track_init): Initialize to a live on exit set.
1367 (live_track_clear_base_vars): Clear live partitions.
1368 (build_ssa_conflict_graph): Build a conflict graph.
1369 (print_exprs): Common debug output routine.
1370 (abnormal_corrupt): Output info about a failed coalesce across an
1372 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1373 (create_outofssa_var_map): Create a var map and coalesce list.
1374 (attempt_coalesce): Coalesce a pair.
1375 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1376 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1377 * tree-ssa-live.c: Remove header files which aren't needed.
1378 (var_map_base_init): New. Initialize a basevar list.
1379 (var_map_base_fini): New. Finish a basevar list.
1380 (init_var_map): Initialize new fields.
1381 (delete_var_map): Free new fields.
1382 (var_union): Use renamed fields.
1383 (compact_var_map): Remove.
1384 (partition_to_view_init): Use renamed fields, change order of an if.
1385 (partition_view_fini): Use renamed fields.
1386 (partition_view_normal): Create basevar list if requested.
1387 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1388 (change_partition_var): Use renamed fields.
1389 (create_ssa_var_map): Remove.
1390 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1391 root_var_init): Remove.
1392 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1393 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1394 compare_pairs, num_coalesce_pairs, first_partition_pair,
1395 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1396 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1397 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1398 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1399 (dump_var_map): Use renamed fields.
1400 * tree-ssa-live.h (struct _var_map): Modify fields.
1401 (partition_to_var, version_to_var, var_to_partition): Use renamed
1403 (basevar_index): New. Index of the base variable of a partition.
1404 (num_basevars): New. Number of unique base variables in partition map.
1405 (register_ssa_partition): Use renamed fields.
1406 (struct tree_partition_associator_d): Remove.
1407 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1408 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1409 root_var, root_var_first_partition, root_var_next_partition,
1410 root_var_dump, root_var_delete, root_var_remove_partition,
1411 root_var_find, root_var_compact, root_var_decompact): Remove.
1412 (struct partition_pair, struct coalesce_list_d): Moved to
1414 * tree-ssa-ter.c: Remove header files which aren't needed.
1416 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1418 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1419 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1421 (cse_visited_basic_blocks): New static bitmap.
1422 (cse_end_of_basic_block, cse_basic_block): Remove.
1423 (cse_find_path, cse_dump_path, cse_prescan_path,
1424 cse_extended_basic_block): New static functions.
1425 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1426 basic block boundaries. Don't record jump equivalences here.
1427 Update the CFG after doing in-place replacement of the SET_SRC.
1428 (cse_main): Rewrite. Look for extended basic block headers
1429 and call cse_extended_basic_block on them until all paths that
1430 start at this header are exhausted.
1431 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1432 and correct after cse_main.
1433 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1434 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1435 (pass_cse): Add TODO_verify_flow.
1436 (pass_cse2): Likewise.
1438 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1440 * reload1.c (choose_reload_regs): Don't set byte offset when
1441 resolving subregs of hard regs.
1443 2006-12-09 Zack Weinberg <zackw@panix.com>
1445 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1446 suitable for the language, if set_yydebug is true.
1447 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1448 YYDEBUG or declare yydebug.
1449 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1451 2006-12-09 Jan Hubicka <jh@suse.cz>
1453 * cgraph.c: Update copyright.
1454 * cgraph.h: Likewise
1455 (cgraph_update_pending_function): Remove prototype.
1456 * cgraphunit.c: Update copyright; update overall comment.
1457 (cgraph_assemble_pending_functions): Make local.
1459 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1461 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1463 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1465 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1467 (cpat_const_p, gen_cpat_const): Add.
1468 * config/spu/spu.c (immediate_class): New enum.
1469 (cpat_info, classify_immediate): New.
1470 (print_operand): Use S, D, T instead of F, G, H. Use
1471 classify_immediate. Handle cpat cases.
1472 (spu_split_immediate): Renamed from spu_split_address. Split all
1473 immediates that can be split.
1474 (immediate_load_p): Use classify_immediate.
1475 (spu_legitimate_constant_p): Accept everything except some cases of
1477 (spu_expand_move): Use spu_split_immedate.
1478 (fsmbi_const_p): Use classify_immediate.
1479 (cpat_const_p): New.
1480 (gen_cpat_const: New.
1481 * config/spu/constraints.md (j,k,l): New constraints for cpat
1483 * config/spu/spu.md (unnamed splitter): Change address splitter to
1484 handle all immediates.
1485 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1487 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1490 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1493 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1494 patterns. Correct length of high:DI instruction sequence.
1496 2006-12-08 Mike Stump <mrs@apple.com>
1498 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1499 libgcc with -mmacosx-version-min=10.4.
1500 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1501 G4 for 10.5+ unless doing kernel builds.
1503 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1506 * reg-stack.c (convert_regs_entry): Mark current argument passing
1509 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1510 of float arguments in x87 registers.
1512 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1514 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1516 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1518 * recog.c (mode_dependent_address_p): Identify pre-increment,
1519 pre-decrement, post-increment and post-decrement addressing as always
1520 being mode-dependent.
1521 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1522 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1523 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1524 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1525 PRE_INC and POST_INC checks.
1526 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1527 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1528 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1529 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1530 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1531 PRE_INC, POST_DEC and POST_INC cases.
1532 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1533 Delete POST_INC and PRE_DEC cases.
1534 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1536 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1537 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1539 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1540 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1541 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1542 PRE_INC and PRE_DEC cases.
1543 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1544 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1545 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1546 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1547 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1548 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1549 auto-increment cases.
1550 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1551 auto-increment cases.
1552 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1554 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1556 * Makefile.in: Add new file tree-ssa-ter.c.
1557 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1558 free_temp_expr_table, add_value_to_version_list,
1559 add_value_to_partition_list, remove_value_from_partition_list,
1560 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1561 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1562 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1563 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1565 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1566 (struct value_expr_d): Remove.
1567 (struct temp_expr_table_d): Rename fields, add explicit vector of
1568 replaceable expressions instead of sharing. Change value_expr_p's to
1569 bitmap. Delete free_list.
1570 (new_temp_expr_table): Rename fields, count number of ssa_names in
1572 (free_temp_expr_table): Rename field, free new fields.
1573 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1574 add_info_to_list, remove_value_from_list): Delete.
1575 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1576 (make_dependent_on_partition): New. Set bit in version list, allocating
1577 a bitmap if need be.
1578 (add_to_partition_kill_list): New. Set bit in the partition list,
1579 allocating a bitmap if need be.
1580 (remove_from_partition_kill_list): New. Remove a bit from the
1581 partition list, free the bitmap if it is empty.
1582 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1583 on partitions with only one member.
1584 (is_replaceable_p): New. Split out replaceability check from
1586 (process_replaceable): New. Code split from check_replaceable.
1587 (check_replaceable): Removed.
1588 (finished_with_expr): Renamed from finish_expr.
1589 (kill_expr): Use renamed fields and less parameters.
1590 (kill_virtual_exprs): Less parameters.
1591 (mark_replaceable): Use renamed fields.
1592 (find_replaceable_in_bb): Use renamed fields, cleanup.
1593 (find_replaceable_exprs): Use renamed routines, cleanup.
1594 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1595 (debug_ter): New. Debug routine to dump state.
1597 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1599 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1600 anything involving the GOT.
1601 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1602 (trapping_loads_p): Look inside the pattern of an insn to find the
1604 * config/bfin/bfin.md (attr "type"): Add movcc.
1605 (insn_reservation "alu"): Likewise.
1606 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1608 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1610 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1611 (spu_resolve_overloaded_builtin): Check for non scalar instead
1612 of vector type and check the function call argument type also for
1614 Call build_function_call instead of spu_build_overload_builtin.
1616 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1618 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1619 to the calls of hwint_to_const_double.
1621 2006-12-07 Nick Clifton <nickc@redhat.com>
1623 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1624 elf_record_gcc_switches.
1626 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1628 * expr.c (string_constant): Account for non-zero lower bound arrays.
1630 2006-12-07 Richard Guenther <rguenther@suse.de>
1632 * builtins.c (expand_builtin_pow): Adjust predicates for
1633 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1636 2006-12-07 Jan Hubicka <jh@suse.cz>
1638 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1641 2006-12-07 Jan Hubicka <jh@suse.cz>
1643 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1644 use fold_constant_to_binary; tolerate wrong type constants.
1645 (value_intersect_p): Do just two tests.
1647 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1649 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1650 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1651 lshifthi3): Use it, and fix the order of alternatives.
1653 2006-12-07 Nick Clifton <nickc@redhat.com>
1655 * common.opt (record-gcc-switches): New command line switch.
1656 * target.h (print_switch_type): New enum.
1657 (print_switch_fn_type): New typedef for a function pointer.
1658 (struct gcc_target): Add record_gcc_switches and
1659 record_gcc_switches_section fields.
1660 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1662 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1664 * toplev.c (print_single_switch): Simplify by providing a
1665 pointer to function that will format and output the switch
1667 (print_switch_values): Likewise.
1668 (print_to_asm_out_file): New function.
1669 (print_to_stderr): New function.
1670 (init_asm_output): If flag_record_gcc_switches is set then if
1671 the target supports recording the switches then emit them into
1672 the assembler output file, otherwise tell the user that the
1673 switch is not supported.
1674 * varasm.c (eld_record_gcc_switches): New function. Example
1675 handler for the record_gcc_switches target hook.
1676 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1678 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1679 * doc/invoke.texi (-frecord-gcc-switches): Document.
1681 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1684 * sched-rgn.c (add_block1): Use correct initializer.
1686 2006-12-07 Richard Guenther <rguenther@suse.de>
1688 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1689 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1691 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1694 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1695 not GIMPLE_MODIFY_STMT.
1697 2006-12-06 Jan Hubicka <jh@suse.cz>
1699 * tree-vrp.c (operand_less_p): New.
1700 (compare_values, value_inside_range): Rewrite in terms of
1703 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1705 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1707 (length_immediate): Do not depend on cld type attribute.
1708 (length_address): Ditto.
1711 (cld): Remove insn pattern.
1712 (strmov_singleop): Do not use DIRFLAG_REG.
1713 (*strmovdi_rex_1): Ditto.
1714 (*strmovsi_1): Ditto.
1715 (*strmovsi_rex_1): Ditto.
1716 (*strmovhi_1): Ditto.
1717 (*strmovhi_rex_1): Ditto.
1718 (*strmovqi_1): Ditto.
1719 (*strmovqi_rex_1): Ditto.
1721 (*rep_movdi_rex64): Ditto.
1722 (*rep_movsi): Ditto.
1723 (*rep_movsi_rex64): Ditto.
1724 (*rep_movqi): Ditto.
1725 (*rep_movqi_rex64): Ditto.
1726 (strset_singleop): Ditto.
1727 (*strsetdi_rex_1): Ditto.
1728 (*strsetsi_1): Ditto.
1729 (*strsetsi_rex_1): Ditto.
1730 (*strsethi_1): Ditto.
1731 (*strsethi_rex_1): Ditto.
1732 (*strsetqi_1): Ditto.
1733 (*strsetqi_rex_1): Ditto.
1735 (*rep_stosdi_rex64): Ditto.
1736 (*rep_stossi): Ditto.
1737 (*rep_stossi_rex64): Ditto.
1738 (*rep_stosqi): Ditto.
1739 (*rep_stosqi_rex64): Ditto.
1740 (cmpstrnsi): Do not generate cld insn.
1741 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1742 (*cmpstrnqi_nz_1): Ditto.
1743 (*cmpstrnqi_nz_rex_1): Ditto.
1744 (cmpstrnqi_1): Ditto.
1745 (*cmpstrnqi_1): Ditto.
1746 (*cmpstrnqi_rex_1): Ditto.
1747 (strlenqi_1): Ditto.
1748 (*strlenqi_1): Ditto.
1749 (*strlenqi_rex_1): Ditto.
1751 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1752 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1753 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1755 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1756 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1758 (k6_alux_only_load): Ditto.
1759 (k6_alux_only_store): Ditto.
1761 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1762 Do not emit cld instruction.
1763 (ix86_expand_setmem): Ditto.
1764 (ix86_expand_strlen): Do not emit cld instruction.
1766 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1768 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1771 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1773 * gdbinit.in: Set complaints to 0.
1775 2006-12-06 Jan Hubicka <jh@suse.cz>
1777 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1778 ALONE_MEM_STAT_DECL): New macros.
1779 * bitmap.h: Include statistics.h
1780 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1781 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1782 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1783 * bitmap.c: Include hashtab.h
1784 (bitmap_descriptor): New.
1785 (bitmap_hash): New static variable
1786 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1787 New static functions.
1788 (bitmap_register): New.
1789 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1790 bitmap_obstack_release): Do accounting.
1791 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1793 (bitmap_gc_alloc_stat): Likewise.
1794 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1795 (print_statistics, dump_bitmap_statistics): New functions.
1796 * toplev.c (finalize): Dump bitmap statistics.
1798 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1800 * reload1.c (delete_output_reload): Count occurrences in
1801 CALL_INSN_FUNCTION_USAGE.
1802 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1803 crashing at the end of the list.
1805 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1807 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1808 Optimize to avoid marking more SMT's as used when they aren't.
1810 2006-12-05 Eric Christopher <echristo@apple.com>
1812 * config/i386/i386.c (x86_output_aligned_bss): Move out
1813 of COMMON_ASM_OP ifdef.
1815 2006-12-05 Eric Christopher <echristo@apple.com>
1817 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1818 (STARTFILE_SPEC): Use.
1819 (DARWIN_DYLIB1_SPEC): New.
1820 (DARWIN_CRT1_SPEC): New.
1821 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1823 * config/i386/darwin.h: Ditto.
1824 * config/rs6000/darwin.h: Ditto.
1826 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1828 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1829 * tree-complex.c (pass_lower_complex): Ditto.
1830 * tree-ssa-ccp.c (pass_ccp): Ditto.
1831 (pass_store_ccp): Ditto.
1832 * tree-ssa-dom.c (pass_dominator): Ditto.
1833 (pass_phi_only_cprop): Ditto.
1834 * tree-sra.c (pass_sra): Ditto.
1835 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1836 * tree-flow.h (updating_used_alone): Remove.
1837 (updating_used_alone): Ditto.
1838 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1839 (lhs_may_store_to): Remove function.
1840 (recalculate_used_alone): Ditto.
1841 (compute_may_aliases): Remove used_alone calculation.
1842 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1843 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1844 * tree-pass.h (PROP_smt_usage): Remove.
1845 * passes.c (execute_todo): Remove used alone recalculation.
1846 (execute_one_pass): Ditto.
1847 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1850 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1852 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1854 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1856 PR tree-optimization/14784
1857 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1859 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1861 Merge from gimple-tuples-branch.
1863 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1865 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1867 (s390_gimplify_va_arg): Same.
1868 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1869 * config/sh/sh.c (sh_va_start): Same.
1870 (sh_gimplify_va_arg_expr): Same.
1871 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1872 (xtensa_gimplify_va_arg_expr): Same.
1873 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1874 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1875 * config/mips/mips.c (mips_va_start): Same.
1876 (mips_gimplify_va_arg_expr): Same.
1878 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1880 * Merge from mainline at revision 119445.
1882 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1884 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1886 (spu_gimplify_va_arg_expr): Same.
1888 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1890 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1891 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1892 (xstormy16_expand_builtin_va_arg): Same.
1894 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1896 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1897 to GIMPLE_MODIFY_STMT.
1899 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1901 * config/alpha/alpha.c (va_list_skip_additions): Change all
1902 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1903 (alpha_va_start): Same.
1904 (alpha_gimplify_va_arg_1): Same.
1905 (alpha_gimplify_va_arg): Same.
1907 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1909 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1911 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1913 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1914 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1916 * tree-complex.c: Same.
1917 * tree-pretty-print.c: Same.
1921 * fold-const.c: Same.
1922 * tree-ssa-dom.c: Same.
1923 * tree-ssa-propagate.c: Same.
1924 * tree-ssa-alias.c: Same.
1925 * gimple-low.c: Same.
1926 * dwarf2out.c: Same.
1927 * c-pretty-print.c: Same.
1929 * tree-inline.c: Same.
1930 * tree-outof-ssa.c: Same.
1931 * tree-ssa-structalias.c: Same.
1932 * tree-ssa-reassoc.c: Same.
1935 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1937 * tree.c (build2_stat): Fix comment.
1939 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1941 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1942 TREE_OPERAND when appropriate.
1944 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1946 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1947 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1948 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1949 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1950 not handle GIMPLE_MODIFY_STMT in the switch statement.
1951 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1952 (java_gimplify_new_array_init): Same.
1954 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1956 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1957 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1958 * fold-const.c (fold_binary): Allow gimple statements.
1960 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1961 Rename from gfc_conv_descriptor_data_set.
1962 Call gfc_add_modify instead of gfc_add_modify_expr.
1963 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1964 Rename from gfc_conv_descriptor_data_set.
1965 (gfc_conv_descriptor_data_set): New macro.
1966 (gfc_conv_descriptor_data_set_tuples): New macros.
1967 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1968 gfc_conv_descriptor_data_set_tuples.
1969 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1970 Generate GIMPLE_MODIFY_STMT when appropriate.
1971 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1972 (gfc_add_modify_expr): New macro.
1973 (gfc_add_modify_stmt): New macro.
1974 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1976 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1978 * Merge from mainline at revision 118200.
1980 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1982 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1985 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1987 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1989 Also, add __extension__ to GCC versions.
1990 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1991 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1994 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1996 * tree-complex.c (expand_complex_libcall): Adjust for
1998 (expand_complex_comparison): Same.
1999 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2000 GIMPLE_STMT_P statements.
2001 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2003 (tree_mod_pow2_value_transform): Same.
2004 (tree_mod_subtract_transform): Same.
2005 * tree.c (build2_stat): Check for gimplified function in cfun.
2006 * tree.h (DECL_GIMPLIFIED): Delete.
2007 (struct tree_function_decl): Remove gimplified_flag.
2008 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2009 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2010 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2011 (cxx_omp_clause_copy_ctor): Same.
2012 (cxx_omp_clause_assign_op): Same.
2013 * c-pretty-print.c (pp_c_conditional_expression): Same.
2014 (pp_c_expression): Same.
2015 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2016 * function.h (struct function): Add gimplified field.
2017 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2019 (find_phi_replacement_condition): Same.
2020 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2021 (gimplify_modify_expr_to_memset): Same.
2022 (gimplify_init_ctor_eval_range): Same.
2023 (gimplify_modify_expr_complex_part): Same.
2024 (tree_to_gimple_tuple): Same.
2025 (gimplify_modify_expr): Same.
2026 (gimple_push_cleanup): Same.
2027 (gimplify_omp_for): Same.
2028 (gimplify_omp_atomic_pipeline): Same.
2029 (gimplify_omp_atomic_mutex): Same.
2030 (gimplify_expr): Same.
2031 (gimplify_one_sizepos): Same.
2032 (gimplify_function_tree): Same.
2033 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2034 (vect_recog_widen_sum_pattern): Same.
2035 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2036 (vect_create_epilog_for_reduction): Same.
2037 (vectorizable_reduction): Same.
2039 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2041 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2042 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2043 (ifc_temp_var): Same.
2044 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2045 for gimple statements.
2046 (vect_analyze_operations): Same.
2047 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2048 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2049 * lambda-code.c (can_put_in_inner_loop): Same.
2050 (can_put_after_inner_loop): Same.
2051 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2052 (vect_create_data_ref_ptr): Same.
2053 (vect_init_vector): Same.
2054 (vect_get_vec_def_for_operand): Same.
2055 (vect_create_epilog_for_reduction): Same.
2056 (vectorizable_reduction): Same.
2057 (vectorizable_assignment): Same.
2058 (vectorizable_operation): Same.
2059 (vectorizable_load): Same.
2060 (vectorizable_condition): Same.
2061 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2062 (rs6000_gimplify_va_arg): Same.
2064 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2066 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2067 GIMPLE_STMT_OPERAND.
2068 (simplify_abs_using_ranges): Same.
2069 * tree-complex.c (expand_complex_operations_1): Use
2070 PROTECTED_TREE_OPERAND.
2071 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2073 (get_val_for): Use GIMPLE_STMT_OPERAND.
2074 * tree-tailcall.c (adjust_accumulator_values): Same.
2075 (adjust_return_value): Same.
2076 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2077 case. Remove special case for tcc_gimple_stmt.
2078 * tree.h (CAN_HAVE_LOCATION_P): New.
2079 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2081 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2082 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2083 * tree-nrv.c (execute_return_slot_opt): Same.
2084 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2085 * tree-vn.c (set_value_handle): Same.
2086 (get_value_handle): Same.
2087 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2088 * tree-vectorizer.c (find_loop_location): Same.
2089 * c-typeck.c (c_process_expr_stmt): Same.
2090 (c_finish_stmt_expr): Same.
2091 * gimplify.c (should_carry_locus_p): Same.
2092 (tree_to_gimple_tuple): Delete definition and use of unecessary
2093 variable save_tree_block.
2094 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2095 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2096 (realify_fake_stores): Same.
2097 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2099 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2100 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2101 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2102 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2103 (c_parser_statement_after_labels): Same.
2104 (c_parser_paren_condition): Same.
2105 (c_parser_for_statement): Same.
2106 (c_parser_omp_for_loop): Same.
2107 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2108 (linearize_expr_tree): Same.
2109 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2110 * function.c (instantiate_expr): Same.
2112 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2114 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2115 (set_expr_location): Same.
2117 (set_expr_locus): Same.
2118 (expr_filename): Same.
2119 (expr_lineno): Same.
2120 (tree_block): Use GIMPLE_STMT_BLOCK.
2121 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2122 * tree.h (struct gimple_stmt): Remove prev and next.
2123 (GIMPLE_STMT_OPERAND_CHECK): New.
2124 (TREE_TO_GIMPLE_STMT): Delete.
2125 (GIMPLE_STMT_TO_TREE): Delete.
2126 (GIMPLE_STMT_OPERAND): Use union, not cast.
2127 (GIMPLE_STMT_LOCUS): New.
2128 (GIMPLE_STMT_BLOCK): New.
2129 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2131 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2133 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2135 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2137 * tree-tailcall.c (adjust_return_value): Same.
2138 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2139 (copy_node_stat): Change common.base to base.
2140 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2141 Remove GIMPLE_STATEMENT_LIST case.
2142 * tree.h (struct gimple_stmt): Make operands of type tree.
2143 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2144 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2145 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2146 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2147 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2148 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2149 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2150 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2151 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2152 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2153 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2154 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2155 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2156 Change common.base to base.
2157 (GIMPLE_STATEMENT_LIST*): Remove.
2158 (union tree_node): Add base. Remove gimple_statement_list.
2159 Remove pointer from gstmt.
2160 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2161 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2162 * tree-vn.c (vn_compute): Change common.base to base.
2163 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2164 * tree-flow-inline.h (var_ann): Same.
2165 (function_ann): Same.
2167 (mark_non_addressable): Same.
2168 * gimplify.c (tree_to_gimple_tuple): Same.
2169 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2170 * tree-dfa.c (create_var_ann): Change common.base to base.
2171 (create_function_ann): Same.
2172 (create_stmt_ann): Same.
2173 (create_tree_ann): Same.
2174 (collect_dfa_stats_r): Same.
2175 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2176 * tree-ssa-dce.c (NECESSARY): Same.
2177 * tree-ssa.c (delete_tree_ssa): Same.
2178 * tree-optimize.c (execute_free_cfg_annotations): Same.
2179 * tree-flow.h: Same.
2181 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2183 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2184 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2186 * tree.h (struct gimple_stmt): Add prev and next fields.
2187 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2188 (GIMPLE_STATEMENT_LIST_HEAD): New.
2189 (GIMPLE_STATEMENT_LIST_TAIL): New.
2190 (struct gimple_statement_list): New.
2191 (union tree_node): Add gimple_stmt_list and gstmt.
2192 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2193 * tree.def: Add GIMPLE_STATEMENT_LIST.
2195 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2197 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2198 * tree-vrp.c (build_assert_expr_for): Change uses of
2199 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2200 (find_assert_locations): Same.
2201 (remove_range_assertions): Same.
2202 (stmt_interesting_for_vrp): Same.
2203 (vrp_visit_assignment): Same.
2204 (vrp_visit_stmt): Same.
2205 (simplify_cond_using_ranges): Same.
2206 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2208 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2209 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2211 (determine_invariantness_stmt): Same.
2212 (schedule_sm): Same.
2213 (gather_mem_refs_stmt): Same.
2214 * tree-complex.c (init_dont_simulate_again): Same.
2215 (complex_visit_stmt): Same.
2216 (set_component_ssa_name): Same.
2217 (expand_complex_move): Same.
2218 (expand_complex_div_wide): Same.
2219 (expand_complex_comparison): Same.
2220 (expand_complex_operations_1): Same.
2221 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2222 (chain_of_csts_start): Same.
2223 (infer_loop_bounds_from_undefined): Same.
2224 * tree-pretty-print.c (dump_generic_node): Same.
2226 (op_symbol_1): Same.
2227 * tree-ssa-loop-manip.c (create_iv): Same.
2228 * value-prof.c (tree_divmod_fixed_value): Same.
2229 (tree_divmod_fixed_value_transform): Same.
2230 (tree_mod_pow2): Same.
2231 (tree_mod_pow2_value_transform): Same.
2232 (tree_mod_subtract): Same.
2233 (tree_mod_subtract_transform): Same.
2234 (tree_divmod_values_to_profile): Same.
2235 * tree-tailcall.c (process_assignment): Same.
2236 (find_tail_calls): Same.
2237 (adjust_accumulator_values): Same.
2238 (adjust_return_value): Same.
2239 (eliminate_tail_call): Same.
2240 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2241 (make_node_stat): Same.
2242 (copy_node_stat): Handle gimple tuples.
2243 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2244 (tree_node_structure): Handle tcc_gimple_stmt.
2245 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2247 (build2_gimple_stat): New.
2248 (expr_location): New.
2249 (set_expr_location): New.
2250 (expr_has_location): New.
2252 (set_expr_locus): New.
2253 (expr_filename): New.
2255 (walk_tree): Handle tcc_gimple_stmt.
2257 (protected_tree_operand): New.
2258 (protected_tree_type): New.
2259 (tree_code_kind): Add gimple statements.
2260 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2261 (IS_GIMPLE_STMT_CODE_CLASS): New.
2262 (struct tree_base): New.
2263 (struct tree_common): Shrink.
2264 (struct gimple_stmt): New.
2265 (struct gimple_expr): New.
2266 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2267 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2268 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2269 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2270 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2271 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2272 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2273 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2274 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2275 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2276 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2277 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2278 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2279 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2280 Adjust for new `common' layout.
2281 (struct tree_function_decl): Add gimplified_flag.
2282 (DECL_GIMPLIFIED): NEW.
2283 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2284 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2285 EXPR_HAS_LOCATION): Call corresponding function.
2286 (GIMPLE_STMT_CHECK): New.
2287 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2288 (TREE_BLOCK): Call tree_block.
2289 (GIMPLE_STMT_P): New.
2290 (GIMPLE_TUPLE_P): New.
2291 (TREE_TO_GIMPLE_STMT): New.
2292 (GIMPLE_STMT_TO_TREE): New.
2293 (GIMPLE_STMT_OPERAND): New.
2294 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2295 (PROTECTED_TREE_OPERAND): New.
2296 (PROTECTED_TREE_TYPE): New.
2297 (build2_gimple_stat): Protoize.
2298 (build2_gimple): New.
2299 (expr_location): Protoize.
2300 (set_expr_location): Protoize.
2301 (expr_has_location): Protoize.
2302 (expr_locus): Protoize.
2303 (set_expr_locus): Protoize.
2304 (expr_filename): Protoize.
2305 (expr_lineno): Protoize.
2306 (tree_block): Protoize.
2307 (protected_tree_operand): Protoize.
2308 (protected_tree_type): Protoize.
2309 (enum tree_node_kind): Add gimple_stmt_kind.
2310 * c-decl.c (union lang_tree_node): Tuples do not have a
2312 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2313 GIMPLE_MODIFY_STMT and adjust accordingly.
2314 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2315 (interpret_condition_phi): Same.
2316 (pointer_used_p): Same.
2317 (analyze_scalar_evolution_1): Same.
2318 (scev_const_prop): Same.
2319 (interpret_rhs_modify_stmt): Rename from
2320 interpret_rhs_modify_expr.
2321 * builtins.c (std_expand_builtin_va_start): Change uses of
2322 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2323 (std_gimplify_va_arg_expr): Same.
2324 (expand_builtin_va_copy): Same.
2325 (integer_valued_real_p): Same.
2326 * fold-const.c (maybe_lvalue_p): Same.
2328 (tree_expr_nonnegative_p): Same.
2329 (tree_expr_nonzero_p): Same.
2330 * omp-low.c (extract_omp_for_data): Same.
2331 (lower_rec_input_clauses): Same.
2332 (lower_reduction_clauses): Same.
2333 (lower_copyprivate_clauses): Same.
2334 (lower_send_clauses): Same.
2335 (lower_send_shared_vars): Same.
2336 (expand_parallel_call): Same.
2337 (expand_omp_parallel): Same.
2338 (expand_omp_for_generic): Same.
2339 (expand_omp_for_static_nochunk): Same.
2340 (expand_omp_for_static_chunk): Same.
2341 (expand_omp_sections): Same.
2342 (lower_omp_single_copy): Same.
2343 (lower_omp_parallel): Same.
2344 * tree-ssa-dse.c (memory_address_same): Same.
2345 (dse_optimize_stmt): Same.
2346 * ipa-reference.c (scan_for_static_refs): Same.
2347 * tree-gimple.c (is_gimple_reg_rhs): Same.
2348 (get_call_expr_in): Same.
2349 (recalculate_side_effects): Same.
2350 * cgraphunit.c (cgraph_create_edges): Same.
2351 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2352 * tree-ssa-ccp.c (get_default_value): Same.
2353 (likely_value): Same.
2354 (visit_assignment): Same.
2355 (ccp_visit_stmt): Same.
2356 (get_maxval_strlen): Same.
2357 (ccp_fold_builtin): Same.
2358 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2359 (find_givs_in_stmt): Same.
2360 (find_interesting_uses_op): Same.
2361 (find_interesting_uses_stmt): Same.
2362 (rewrite_use_nonlinear_expr): Same.
2363 * ipa-pure-const.c (scan_function): Same.
2364 * tree-stdarg.c (va_list_counter_bump): Same.
2365 (check_all_va_list_escapes): Same.
2366 (execute_optimize_stdarg): Same.
2367 * tree-ssa-math-opts.c (compute_merit): Same.
2368 (insert_reciprocals): Same.
2369 (execute_cse_reciprocals): Same.
2370 * tree-ssa-dom.c (initialize_hash_element): Same.
2371 (simple_iv_increment_p): Same.
2372 (record_equivalences_from_stmt): Same.
2373 (optimize_stmt): Same.
2374 (remove_stmt_or_phi): Same.
2375 (get_rhs_or_phi_arg): Same.
2376 (get_lhs_or_phi_result): Same.
2377 (propagate_rhs_into_lhs): Same.
2378 * tree-nrv.c (tree_nrv): Same.
2379 (execute_return_slot_opt): Same.
2380 * tree-ssa-propagate.c (get_rhs): Same.
2382 (stmt_makes_single_load): Same.
2383 (stmt_makes_single_store): Same.
2384 (replace_vuses_in): Same.
2385 (fold_predicate_in): Same.
2386 (substitute_and_fold): Same.
2387 * tree-ssa-alias.c (compute_call_clobbered): Same.
2388 (recalculate_used_alone): Same.
2389 (count_uses_and_derefs): Same.
2390 (is_escape_site): Same.
2391 (find_used_portions): Same.
2392 * gimple-low.c (lower_stmt): Same.
2393 (block_may_fallthru): Same.
2394 (lower_return_expr): Same.
2395 * tree-ssa-sink.c (is_hidden_global_store): Same.
2396 (statement_sink_location): Same.
2397 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2398 * expr.c (safe_from_p): Same.
2399 (expand_expr_real): Same.
2400 (expand_expr_real_1): Same.
2401 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2402 * predict.c (expr_expected_value): Same.
2403 (strip_builtin_expect): Same.
2404 (apply_return_prediction): Same.
2405 (tree_bb_level_predictions): Same.
2406 (tree_estimate_probability): Same.
2407 * tree-vn.c (vn_compute): Same.
2408 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2409 (remove_stmt_from_eh_region_fn): Same.
2410 (do_return_redirection): Same.
2411 (honor_protect_cleanup_actions): Same.
2412 (lower_try_finally_switch): Same.
2413 (lower_eh_constructs_1): Same.
2414 (tree_could_throw_p): Same.
2415 (verify_eh_throw_stmt_node): Same.
2416 * function.c (gimplify_parameters): Same.
2417 * tree-vectorizer.c (vect_is_simple_use): Same.
2418 (vect_is_simple_reduction): Same.
2419 * ipa-type-escape.c (scan_for_refs): Same.
2420 * tree-if-conv.c (tree_if_conversion): Same.
2421 (tree_if_convert_stmt): Same.
2422 (if_convertible_gimplify_modify_stmt_p): Rename from
2423 if_convertible_modify_expr_p.
2424 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2425 (ifc_temp_var): Same.
2426 (replace_phi_with_cond_modify_stmt): Rename from
2427 replace_phi_with_cond_modify_expr.
2428 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2429 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2430 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2432 * tree-flow-inline.h (var_ann): Same.
2433 (function_ann): Same.
2435 (mark_non_addressable): Same.
2436 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2437 * gimplify.c (tree_to_gimple_tuple): New.
2438 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2439 (gimplify_return_expr): Same.
2440 (gimplify_decl_expr): Same.
2441 (gimplify_self_mod_expr): Same.
2442 (gimplify_cond_expr): Same.
2443 (gimplify_init_constructor): Same.
2444 (gimplify_modify_expr): Same.
2445 (gimplify_expr): Same.
2446 (gimplify_function_tree): Same.
2447 (force_gimple_operand): Same.
2448 * tree-ssa-phiopt.c (conditional_replacement): Same.
2449 (minmax_replacement): Same.
2450 (abs_replacement): Same.
2451 * tree-dfa.c (create_var_ann): Same.
2452 (create_function_ann): Same.
2453 (create_stmt_ann): Same.
2454 (create_tree_ann): Same.
2455 (collect_dfa_stats_r): Same.
2456 * tree-ssa-pre.c (find_or_generate_expression): Same.
2457 (create_expression_by_pieces): Same.
2458 (try_look_through_load): Same.
2459 (insert_fake_stores): Same.
2460 (realify_fake_stores): Same.
2461 (compute_avail): Same.
2464 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2465 Adjust for GIMPLE_MODIFY_STMT.
2466 (NECESSARY): Adjust for new `common' layout.
2467 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2469 * tree-sra.c (sra_walk_modify_stmt): Rename from
2470 sra_walk_modify_expr.
2471 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2472 (generate_copy_inout): Same.
2473 (generate_element_copy): Same.
2474 (generate_element_zero): Same.
2475 (scalarize_copy): Same.
2476 * tree-mudflap.c (mf_decl_cache_locals): Same.
2477 (mf_build_check_statement_for): Same.
2478 (mf_xform_derefs): Same.
2479 * ipa-prop.c (ipa_method_modify_stmt): Same.
2480 * print-tree.c (print_node): Handle gimple tuples.
2481 Add case for tcc_gimple_stmt.
2482 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2484 (copy_prop_visit_assignment): Same.
2485 (copy_prop_visit_stmt): Same.
2486 (init_copy_prop): Same.
2487 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2488 (forward_propagate_into_cond_1): Same.
2489 (find_equivalent_equality_comparison): Same.
2490 (tidy_after_forward_propagate_addr): Same.
2491 (forward_propagate_addr_expr_1): Same.
2492 (simplify_not_neg_expr): Same.
2493 (simplify_switch_expr): Same.
2494 * tree-ssa-dce.c (find_pdom): Same.
2495 (mark_stmt_if_obviously_necessary): Same.
2496 (NECESSARY): Adjust for new `common' layout.
2497 * tree-flow.h: Same.
2498 * tree-vect-patterns.c (widened_name_p): Adjust for
2500 (vect_recog_dot_prod_pattern): Same.
2501 (vect_recog_widen_sum_pattern): Same.
2502 (vect_pattern_recog_1): Same.
2503 * tree-nested.c (init_tmp_var): Same.
2504 (save_tmp_var): Same.
2506 (convert_call_expr): Same.
2507 (finalize_nesting_tree_1): Same.
2508 * tree-ssa.c (verify_ssa): Same.
2509 (delete_tree_ssa): Same.
2510 * lambda-code.c (lbv_to_gcc_expression): Same.
2511 (lle_to_gcc_expression): Same.
2512 (lambda_loopnest_to_gcc_loopnest): Same.
2513 (can_put_in_inner_loop): Same.
2514 (can_convert_to_perfect_nest): Same.
2515 (perfect_nestify): Same.
2516 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2517 * tree-inline.c (copy_body_r): Same.
2518 (setup_one_parameter): Same.
2519 (initialize_inlined_parameters): Same.
2520 (estimate_num_insns_1): Same.
2521 (expand_call_inline): Same.
2522 (gimple_expand_calls_inline): Same.
2523 (copy_tree_r): Same.
2524 * tree-optimize.c (execute_free_cfg_annotations): Same.
2525 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2526 (vect_align_data_ref): Same.
2527 (vect_create_data_ref_ptr): Same.
2528 (vect_init_vector): Same.
2529 (vect_create_epilog_for_reduction): Same.
2530 (vectorizable_reduction): Same.
2531 (vectorizable_assignment): Same.
2532 (vectorizable_operation): Same.
2533 (vectorizable_store): Same.
2534 (vectorizable_load): Same.
2535 (vectorizable_live_operation): Same.
2536 (vectorizable_condition): Same.
2537 (vect_generate_tmps_on_preheader): Same.
2538 (vect_create_cond_for_align_checks): Same.
2539 * tree-object-size.c (collect_object_sizes_for): Same.
2540 (check_for_plus_in_loops_1): Same.
2541 (check_for_plus_in_loops): Same.
2542 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2543 (replace_use_variable): Same.
2544 (check_replaceable): Same.
2545 (rewrite_trees): Same.
2546 (identical_copies_p): Same.
2547 (insert_backedge_copies): Same.
2548 * tree-profile.c (tree_gen_edge_profiler): Same.
2549 * tree-vect-generic.c (expand_vector_operations_1): Same.
2550 * tree-ssa-structalias.c (update_alias_info): Same.
2551 (find_func_aliases): Same.
2552 * tree-cfg.c (factor_computed_gotos): Same.
2554 (make_goto_expr_edges): Same.
2555 (tree_merge_blocks): Same.
2556 (remove_useless_stmts_cond): Same.
2557 (remove_useless_stmts_1): Same.
2558 (tree_find_edge_insert_loc): Same.
2559 (verify_expr): Same.
2560 (gimplify_val): Same.
2561 (verify_gimple_tuples_1): New.
2562 (verify_gimple_tuples): New.
2563 (verify_stmts): Call verify_gimple_tuples.
2564 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2565 (get_unary_op): Same.
2566 (linearize_expr): Same.
2567 (get_single_immediate_use): Same.
2568 (negate_value): Same.
2569 (should_break_up_subtract): Same.
2570 (break_up_subtract): Same.
2571 (repropagate_negates): Same.
2572 (break_up_subtract_bb): Same.
2573 (reassociate_bb): Same.
2574 * config/i386/i386.c (ix86_va_start): Same.
2575 (ix86_gimplify_va_arg): Same.
2576 * stmt.c (expand_expr_stmt): Same.
2577 (warn_if_unused_value): Same.
2578 (expand_return): Same.
2579 * tree-ssanames.c (make_ssa_name): Same.
2580 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2581 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2582 (add_virtual_operand): Same.
2583 (get_expr_operands): Same.
2584 (parse_ssa_operands): Same.
2585 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2587 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2589 * config.host: Remove extra blank line.
2591 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2593 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2594 target is also an x86 variant.
2596 2006-12-05 Richard Guenther <rguenther@suse.de>
2598 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2599 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2600 (ix86_builtin_vectorized_function): New function to vectorize
2603 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2605 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2606 ia64_override_options.
2608 2006-12-04 Jan Hubicka <jh@suse.cz>
2610 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2613 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2615 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2616 * config/bfin/bfin.c: Include "timevar.h".
2617 (bfin_flag_schedule_insns2, splitting_for_sched,
2618 bfin_flag_var_tracking): New variables.
2619 (print_operand): Handle '%!'.
2620 (override_options): Disable normal sched2 pass, instead set
2621 bfin_flag_schedule_insns2 for reorg to handle it.
2622 (output_file_start): Likewise for var-tracking.
2623 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2624 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2626 (bfin_reorg): Do second scheduling pass here, and call
2627 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2628 of examining insns directly. If bfin_flag_var_tracking, call
2629 var-tracking pass when done with everything else.
2630 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2631 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2632 (movsi_insn32): New pattern, with two new splits to create it
2633 before the final scheduling pass.
2634 (neghi2): Not a dsp32 insn, rather alu0.
2635 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2636 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2637 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2638 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2639 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2640 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2641 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2642 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2643 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2644 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2645 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2646 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2647 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2648 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2649 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2650 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2651 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2652 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2653 variants instead of ';'.
2654 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2655 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2656 (align8, align16, align24): Now named patterns; also using '%!'.
2659 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2661 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2662 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2664 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2666 * config/spu/spu-protos.c (spu_split_address): Add.
2667 * config/spu/spu.c (spu_split_address): Add.
2668 (print_operand): Handle HIGH.
2669 (spu_legitimate_address): Don't test for aligned CONST.
2670 (spu_expand_mov): Don't split addresses here.
2671 * config/spu/constraints.md (A): Don't test legitimate_const.
2672 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2673 (ceq_di): Use correct predicates.
2675 2006-12-04 Eric Christopher <echristo@apple.com>
2677 * config/darwin.h: Update copyright notice.
2678 * config/i386/darwin.h: Ditto.
2680 2006-12-04 Jan Hubicka <jh@suse.cz>
2682 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2683 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2685 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2687 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2689 * tree-ssa-structalias.c (set_used_smts): Export.
2690 (find_what_p_points_to): Don't call set_used_smts here.
2691 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2693 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2695 * tree-ssa-alias.c (compute_may_aliases):
2696 Compute flow sensitive before flow insensitive.
2697 (compute_flow_sensitive_aliasing): Don't try to add
2698 a symbol memory tag to itself.
2700 * alias.h (alias_set_subset_of): New prototype.
2702 * alias.c (alias_set_subset_of): New function.
2704 * tree-ssa-structalias.c: Update comments.
2705 (struct variable_info): Add finished_solution.
2706 (new_varinfo): Set finished solution to NULL.
2707 (var_escaped_vars): Remove.
2708 (escaped_vars_tree): Remove.
2709 (escaped_vars_id): Remove.
2710 (nonlocal_vars_id): Remove.
2711 (constraint_expr_type): Add INCLUDES.
2712 (graph_size): Removed.
2713 (dump_constraint): Support INCLUDES.
2714 (build_constraint_graph): Ditto.
2715 (collapse_nodes): Add merge_solutions argument.
2716 Don't merge attributes.
2717 (process_unification_queue): Just use collapse_nodes.
2718 (perform_var_substitution): Update call to collapse_nodes.
2719 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2720 (process_constraint): Fix non-field sensitive handling
2722 (get_constraint_for): Use INCLUDES.
2723 (make_constraint_from_anything): Renamed from
2724 make_constraint_from_escaped.
2725 (make_constraint_to_escaped): Removed.
2726 (find_global_initializers): Removed.
2727 (create_variable_info_for): Do not make constraints to escaped
2729 (dump_solution_for_var): Don't print out the equivalent points-to
2730 sets, just use the name of the variable it shares it with.
2731 (intra_create_variable_infos): Use INCLUDES.
2732 Change nonlocal variable sets to anything sets.
2733 (init_base_vars): Remove escaped_vars and nonlocal_var
2735 (find_escape_constraints): Removed.
2736 (delete_points_to_sets): Remove dead code.
2737 (used_smt_calculated): New variable.
2738 (set_used_smts): New function.
2739 (merge_smts_into): New function.
2740 (find_what_p_points_to): Modify to use SMTs.
2741 (create_nonlocal_var): Remove.
2743 * tree-ssa-operands.c (access_can_touch_variable): Remove
2744 reference to nonlocal_all.
2746 * tree-ssa.c (verify_name_tags): Remove.
2748 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2750 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2751 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2753 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2755 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2756 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2757 (add_livein_if_notdef): Delete.
2758 (loe_visit_block): New. Propogate live on entry info for a block into
2759 each predecessor. If it changes, make sure it is visited again.
2760 (live_worklist): Visit every block and update the live on entry info
2761 for preds. Iterate over any that changed.
2762 (set_var_live_on_entry): Populate the live on entry blocks with bits
2763 based on the immediate uses of a var.
2764 (calculate_live_on_entry): Remove.
2765 (calculate_live_on_exit): Calculate live on exit based on the newly
2766 oriented live on entry bits.
2767 (calculate_live_ranges): Build live on entry and exit vectors.
2768 (dump_live_info): Use new orientation of live on entry bitmaps.
2769 (verify_live_on_entry): New. Split out verification code from old
2770 calculate_live_on_entry routine.
2771 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2772 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2773 basic_block instead of for a partition.
2774 (live_merge_and_clear): Add asserts.
2775 (make_live_on_entry): Set partition bit in basic block vector.
2777 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2780 * omp-low.c (expand_omp_for_static_nochunk,
2781 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2785 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2786 parallels if region->exit or region->inner->exit is NULL.
2787 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2789 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2790 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2791 or region->exit is NULL.
2792 (expand_omp_sections): Handle NULL region->cond or region->exit.
2795 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2797 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2798 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2800 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2802 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2803 TYPE_MAX_VALUE for scalar types here but...
2804 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2805 is attached an error mark, and the return value of the callback
2806 if it is not NULL_TREE.
2808 2006-12-04 Ben Elliston <bje@au.ibm.com>
2810 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2812 2006-12-03 Eric Christopher <echristo@apple.com>
2815 * config/t-slibgcc-darwin: Pass -install_name.
2816 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2817 libtool. Only pass through options that the linker recognizes.
2818 (LINK_SPEC): Update comment. Translate options.
2819 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2820 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2822 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2824 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2826 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2829 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2830 operands[1] in insn constraint. Correct type attribute to sselog1.
2832 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2835 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2837 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2838 processor detection.
2840 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2841 -march=native if there is no -mtune=*.
2843 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2846 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2848 * doc/install.texi: Update recommended MPFR version. Remove
2849 obsolete reference to cumulative patch.
2851 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2854 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2856 2006-11-30 Jan Hubicka <jh@suse.cz>
2857 Uros Bizjak <ubizjak@gmail.com>
2859 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2860 32bit memcpy/memset decriptors.
2861 (decide_alg): With -minline-all-stringops and sizes that are best
2862 to be copied via libcall still work hard enough to pick non-libcall
2865 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2867 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2869 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2870 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2871 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2872 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2873 config/spu/spu-c.c, config/spu/spu-modes.def,
2874 config/spu/spu.c, config/spu/spu.md,
2875 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2876 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2877 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2878 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2879 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2880 spelling conventions.
2882 * config/i386/i386.c: Fix a comment typo.
2884 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2886 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2887 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2888 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2889 better optimization.
2890 (floatv4siv4sf2): New.
2891 (fix_truncv4sfv4si2): New.
2892 (floatunsv4siv4sf2): New.
2893 (fixuns_truncv4sfv4si2): New.
2901 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2902 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2903 spu_resolve_overloaded_builtin instead of static inline functions.
2905 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2907 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2908 type instead of the size of its mode to compute the highest and
2909 lowest possible values. Still check the size of the mode before
2910 flipping the signedness of the comparison.
2912 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2914 * config/spu/predicates.md (spu_mov_operand): Add.
2915 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2916 (print_operand_address, print_operand): Handle addresses containing AND.
2917 (spu_split_load, spu_split_store): Use updated movti pattern.
2918 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2919 stores in mov patterns for correct operation of reload.
2920 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2922 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2925 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2927 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2929 * common.opt (ftree-combine-temps): Remove.
2930 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2931 (coalesce_ssa_name): Don't check for combine-temps.
2932 (coalesce_vars): Remove.
2933 (check_replaceable): Use num_imm_uses.
2934 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2935 check for combine-temps.
2936 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2937 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2938 to register_ssa_partition calls.
2939 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2940 (init_var_map, delete_var_map): remove refernces to ref_count.
2941 (create_ssa_var_map): Never calculate a ref count.
2942 (type_var_init): Remove.
2943 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2944 (SSA_VAR_MAP_REF_COUNT): Delete.
2945 (create_ssa_var_map): Change Prototype to have no parameters.
2946 (version_ref_count): Delete.
2947 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2949 (type_var_num, type_var, type_var_first_partition,
2950 type_var_next_partition, type_var_dump, type_var_delete,
2951 type_var_remove_partition, type_var_find, type_var_compact,
2952 type_var_decompact): Remove.
2954 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2956 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2959 2006-12-01 Richard Guenther <rguenther@suse.de>
2962 * dwarf2out.c (struct pubname_struct): Make name const.
2963 (add_pubtype): Do not xstrdup identifiers.
2965 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2967 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2968 multiword accesses are in range.
2970 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2972 PR tree-optimization/29921
2973 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2974 (set_lattice_value): Use canonicalize_float_value.
2976 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2978 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2979 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2980 (spu_cpu_cpp_builtins): Remove.
2981 (spu_override_options): Don't set warn_main.
2982 (spu_force_reg): Move from spu-c.c.
2983 (spu_check_builtin_parm): Likewise.
2984 (expand_builtin_args): Likewise.
2985 (spu_expand_builtin_1): Likewise.
2986 (spu_expand_builtin): Likewise.
2987 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2988 warn_main and targetm.resolve_overloaded_builtin.
2989 * config/spu/spu-c.c (spu_builtin_range): Remove.
2990 (spu_check_builtin_parm): Remove.
2991 (expand_builtin_args): Remove.
2992 (spu_expand_builtin_1): Remove.
2993 (spu_expand_builtin): Remove.
2994 (spu_cpu_cpp_builtins): Moved from spu.c
2995 (spu_force_reg): Remove.
2997 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2998 David Edelsohn <edelsohn@gnu.org>
3001 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3002 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3003 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3004 HARD_REGNO_NREGS_WITH_PADDING): Define.
3005 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3006 HARD_REGNO_NREGS_WITH_PADDING): Define.
3007 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3008 Use new macros to detect modes with holes; do not look at integer
3010 (subreg_offset_representable_p): Check for and disallow cases
3011 where the modes use different numbers of bits from registers.
3012 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3013 constant for soft-float.
3014 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3016 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3017 in E500 double case.
3018 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3019 (movtf_softfloat): New.
3021 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3023 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3024 simplify_gen_subreg.
3026 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3028 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3029 (COALESCE_HASH_FN): New. Define hash function.
3030 (partition_pair_map_hash): New. Hash value for a partition pair.
3031 (partition_pair_map_eq): New. Equality for hash pairs.
3032 (create_coalesce_list): Create hash table.
3033 (delete_coalesce_list): Free hash table.
3034 (find_partition_pair): Find/create pairs in hash table.
3035 (compare_pairs): Sort pairs in ascending order now.
3036 (num_coalesce_pairs): New. Number of pairs in hash table.
3037 (struct partition_pair_iterator): Iterator struct for pair table.
3038 (first_partition_pair): Iterator function for first pair.
3039 (end_partition_pair_p): Iterator function for end of iteration.
3040 (next_partition_pair): Iterator function for next pair.
3041 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3042 (sort_coalesce_list): Sort pairs from hash table into an array.
3043 (pop_best_coalesce): Take pairs from the array.
3044 (dump_coalesce_list): Update to use hash table or sorted array.
3045 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3046 (struct coalesce_list_d): Add hash table related fields.
3048 2006-11-30 Jan Hubicka <jh@suse.cz>
3051 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3052 memmove/bcopy->memcpy conversion.
3054 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3056 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3057 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3058 Default is the largest alignment supported for 32-bit ELF and
3059 representable on a 32-bit host.
3061 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3063 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3065 2006-11-30 Jan Hubicka <jh@suse.cz>
3067 * tree-ssa-operands.h (struct ssa_operands): New.
3068 * tree-flow-inline.h (gimple_ssa_operands): New function.
3069 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3070 * Makefile.in: Remove gt-tree-ssa-operands.h
3071 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3072 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3073 operand_memory, operand_memory_index, ops_active): Remove statics.
3074 (ALLOC_OPTYPE): Update.
3075 (operand_build_sort_virtual): Update.
3076 (ssa_operands_active): Update.
3077 (init_ssa_operands): Update.
3078 (fini_ssa_operands): Update.
3079 (ssa_operand_alloc): Update.
3080 (INITIALIZE_USE): Update.
3081 (finalize_ssa_use_ops): Update.
3082 (finalize_ssa_v_may_def_ops): Update.
3083 (finalize_ssa_vuse_ops): Update.
3084 (finalize_ssa_v_must_def_ops): Update.
3086 2006-11-30 Richard Guenther <rguenther@suse.de>
3088 * tree-vectorizer.h (vectorizable_function): Export.
3089 * tree-vect-transform.c (vectorizable_function): Likewise.
3090 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3091 type_in to scalar type in recognition of squaring.
3092 Make sure the target can vectorize sqrt in recognition
3093 of sqrt, set type_in to vector type in this case.
3095 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3097 * config/i386/i386.md (R10_REG): New constant.
3098 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3099 (ix86_emit_restore_regs_using_mov): Ditto.
3100 (ix86_expand_call): Ditto.
3101 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3103 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3105 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3106 * alias.c (canon_true_dependence): Update comment.
3108 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3110 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3111 at the end of a diagnostics message.
3113 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3114 until after asserting that it was allocated in the right pool.
3116 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3117 successor edge information as well. Make output of live regs
3118 on exit consistent with live regs on entry.
3120 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3123 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3124 insn patterns for TARGET_80387.
3125 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3126 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3127 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3128 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3129 Generate truncxf<mode>2 insn patterns for strict SSE math.
3131 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3133 * config/i386/i386.md (movsf_1): Enable pattern for standard
3134 80387 constants before reload when optimizing for size.
3135 (*movdf_nointeger, *movdf_integer): Ditto.
3136 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3137 80387 constants before reload when not optimizing for size.
3139 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3140 extension of XFmode input operands.
3142 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3144 * config/spu/crt0.c (__dso_handle): Define.
3146 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3148 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3149 when clearing the used flags.
3151 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3153 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3155 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3158 * config/spu/spu.md (extend_compare<mode>): New pattern.
3159 (extend_compare): Change to expand and use the above pattern.
3161 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3163 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3165 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3166 (DFP_INIT_ROUNDMODE): Define.
3167 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3168 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3170 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3172 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3173 Update documentation.
3174 (associate_line_notes_with_blocks): Kill.
3175 (extend_bb): Remove basic block argument, put void instead.
3176 Remove line number handling for each bb.
3177 (save_line_notes): Kill.
3178 (restore_line_notes): Kill.
3179 (sched_init): Remove line_note_head initialization.
3180 Change extend_bb call.
3181 (sched_finish): Remove free of line_note_head.
3182 (add_block): Change extend_bb call.
3183 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3184 rm_line_notes and restore_line_notes calls.
3185 (schedule_ebbs): Remove rm_redundant_line_notes.
3186 * sched-int.h (struct haifa_insn_data): Remove line_note.
3187 (save_line_notes): Remove declaration.
3188 (restore_line_notes): Remove declaration.
3189 * modulo-sched.c (loop_canon_p): Update debug info printing
3190 by using insn locators instead of line note.
3191 (sms_schedule): Update debug info printing, by using insn
3192 locators instead of line note.
3193 * sched-rgn.c (debug_dependencies): Remove handling of case
3194 n>0 (line number), since it's a dead code.
3195 (schedule_region): Remove save_line_notes and
3196 restore_line_notes calls.
3198 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3200 * config/rs6000/predicates.md (gpc_reg_operand): Check
3201 invalid_e500_subreg.
3202 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3203 SImode subregs of SPE vectors.
3204 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3205 * jump.c (true_regnum): Require subregs to satisfy
3206 subreg_offset_representable_p.
3208 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3209 Steven Bosscher <stevenb.gcc@gmail.com>
3211 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3212 since it no longer exists.
3214 2006-11-29 Duncan Sands <baldrick@free.fr>
3216 PR tree-optimization/23744
3217 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3219 2006-11-29 Duncan Sands <baldrick@free.fr>
3221 PR tree-optimization/23744
3222 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3224 2006-11-29 Duncan Sands <baldrick@free.fr>
3226 PR tree-optimization/23744
3227 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3229 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3231 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3233 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3235 * sh.opt (minline-ic_invalidate): New option.
3236 (musermode): Adjust comment.
3237 * sh.c (sh_initialize_trampoline): Emit library call unless
3238 is set; if it is set, don't emit library call if we can use icbi
3240 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3241 icbi for TARGET_SH4_300.
3242 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3243 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3244 -musermode documentation.
3246 2006-11-29 Jim Tison <jtison@us.ibm.com>
3248 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3249 __gthread_recursive_mutex_init): Define.
3251 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3253 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3254 STRICT_ALIGNMENT and the type is more aligned than the saved
3255 registers, copy via a temporary.
3257 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3260 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3263 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3265 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3267 2006-11-28 Jan Hubicka <jh@suse.cz>
3269 Privatize SSA variables into gimple_df.
3270 * tree-flow-inline.h
3271 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3272 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3273 gimple_nonlocal_all): New accessors.
3274 (first_referenced_var): Update.
3275 (mark_stmt_modified): Update.
3276 (is_call_clobbered): Update.
3277 (mark_call_clobbered): Update.
3278 (clear_call_clobbered): Update.
3279 (mark_non_addressable): Update.
3280 * tree-vrp.c (get_value_range): Update.
3281 * tree-into-ssa.c (in_ssa_p): Kill.
3282 (get_default_def_for): Update.
3283 (rewrite_into_ssa): Update.
3284 * tree-complex.c (init_parameter_lattice_values): Update.
3285 (update_complex_assignment): Update.
3286 (update_parameter_components): Update.
3287 (expand_complex_libcall): Update.
3288 (expand_complex_operations_1): Update.
3289 * tree-tailcall.c (arg_needs_copy_p): Update.
3290 (add_virtual_phis): Update.
3291 (tree_optimize_tail_calls_1): Update.
3292 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3293 * tree-ssa-copyrename.c
3294 (copy_rename_partition_coalesce): Update.
3295 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3296 * tree-ssa-propagate.c (set_rhs): Update.
3297 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3298 addressable_vars, global_var):Kill.
3299 (set_initial_properties): Update.
3300 (init_alias_info): Update.
3301 (finalize_ref_all_pointers): Update.
3302 (setup_pointers_and_addressables): Update.
3303 (maybe_create_global_var): Update.
3304 (create_global_var): Update.
3305 (dump_points_to_info): Update.
3306 * function.h (struct gimple_df): Forward declare.
3307 (struct function): Add GIMPLE_DF field.
3308 * gimplify.c (force_gimple_operand): Update.
3309 * tree-dfa.c (referenced_vars, default_defs): KIll.
3310 (make_rename_temp): Update.
3311 (dump_variable): Update.
3312 (referenced_var_lookup): Update.
3313 (referenced_var_check_and_insert): Update.
3314 (default_def): Rename to ...
3315 (gimple_default_def): ... this one; accept cfun argument.
3316 (set_default_def): Update.
3317 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3318 (cleanup_control_flow): Update.
3319 * tree-ssa-pre.c (compute_avail): Update
3320 * tree-ssa-live.c (calculate_live_on_entry): Update.
3321 * tree-ssa.c (verify_use): Update.
3322 (verify_call_clobbering): Update.
3323 (verify_call_clobbering): Update.
3324 (init_tree_ssa): Update.
3325 (delete_tree_ssa): Update.
3326 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3327 (rewrite_out_of_ssa): Update.
3328 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3329 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3331 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3332 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3333 addressable_vars, aliases_computed_p): Kill.
3334 (default_def): Rename to...
3335 (gimple_default_def): ... this one.
3336 (defaule_def_fn): Kill.
3337 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3338 * tree-ssa-structalias.c (nonlocal_all): Kill.
3339 (get_constraint_exp_from_ssa_var): Update.
3340 (create_nonlocal_var): Update.
3341 (get_constraint_for): Update.
3342 (update_alias_info): Update.
3343 (find_global_initializers): Update.
3344 (intra_create_variable_infos): Update.
3345 (intra_create_variable_infos):
3346 (find_what_p_points_to): Update.
3347 (init_alias_heapvars): Update.
3348 * tree-cfg.c (remove_bb): Update.
3349 (gimplify_val): Update.
3350 * tree-ssa-reassoc.c (get_rank): Update.
3351 (init_reassoc): Update.
3352 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3353 (ssa_names, free_ssanames): Kill.
3354 (init_ssanames): Update.
3355 (make_ssa_name): Update.
3356 (release_ssa_name): Update.
3357 (release_defs): Update.
3358 (replace_ssa_name_symbol): Update.
3359 * tree-ssa-operands.c (access_can_touch_variable): Update.
3360 (add_virtual_operand): Update.
3361 (add_call_clobber_ops): Update.
3362 (add_call_read_ops): Update.
3363 (get_call_expr_operands): Update.
3364 (get_asm_expr_operands): Update.
3366 2006-11-28 Jan Hubicka <jh@suse.cz>
3368 * builtins.c: Include tree-flow.h.
3369 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3370 assignment; convert memmove to memcpy for sizes greater than 1 where
3371 alignment of operands prohibit the partial overlap.
3373 2006-11-28 Jan Hubicka <jh@suse.cz>
3375 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3376 * cgraph.c (dump_cgraph_node): Dump stack usage.
3377 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3378 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3379 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3380 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3381 (cgraph_check_inline_limits): Limit stack growth.
3382 * cfgexpand.c: Include tree-inline.h.
3383 (account_stack_vars): New function.
3384 (expand_one_var): New param to just account the stack; return estimated
3386 (expand_used_vars_for_block): Update call of expand_one_var.
3387 (account_used_vars_for_block): New function.
3388 (estimated_stack_frame_size): Likewise.
3389 (init_vars_expansion, fini_vars_expansion): Break out from..
3390 (expand_used_vars): ... here.
3391 * tree-inline.h (estimated_stack_frame_size): Declare.
3392 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3394 2006-11-28 Richard Guenther <rguenther@suse.de>
3396 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3397 unsigned long for printing OBJECT_SIZE.
3399 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3401 * alias.c (init_alias_analysis): Remove simplification loop
3402 after propagating pointers.
3404 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3406 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3409 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3411 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3413 2006-11-27 Roger Sayle <roger@eyesopen.com>
3414 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3416 * c-common.c (constant_fits_type_p): Delete.
3417 (unsigned_conversion_warning): Delete.
3418 (conversion_warning): Integrate Wconversion warning from
3419 unsigned_conversion_warning.
3420 (convert_and_check): Integrate Woverflow warning from
3421 unsigned_conversion_warning. Reorganize and simplify to avoid
3422 dependence upon the middle-end setting TREE_OVERFLOW on integral
3423 conversions, by using int_fits_type_p directly.
3425 2006-11-27 Tobias Burnus <burnus@net-b.de>
3427 * doc/invoke.texi: Fixed typo.
3429 2006-11-27 Michael Matz <matz@suse.de>
3430 Andreas Krebbel <krebbel1@de.ibm.com>
3433 * config/s390/predicates.md (larl_operand): Check addend of larl
3434 operand to be in range of -/+2GB.
3435 * config/s390/s390.c (legitimize_pic_address): Likewise.
3436 Changed type of variable even to HOST_WIDE_INT.
3438 2006-11-27 Jan Hubicka <jh@suse.cz>
3440 * expr.c (emit_block_move_via_libcall): Export.
3441 (clear_storage_via_libcall): Rename to ...
3442 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3443 (clear_storage): Update to set_storage_via_libcall.
3444 * expr.h (emit_block_move_via_libcall): Declare
3445 * config/i386/i386.h (stringop_alg): New enum.
3446 (MAX_STRINGOP_ALGS): New constant.
3447 (stringop_algs): New struct.
3448 (processor_costs): Add memcpy/memset descriptors.
3449 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3450 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3451 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3453 * config/i386/i386.opt (minline-stringops-dynamically,
3454 mstringop-strategy): New
3456 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3457 (ix86_expand-clrmem): Rename to ...
3458 (ix86_expand_setmem): ... this one; update prototype.
3459 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3460 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3461 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3462 nocona_cost, core2_cost, generic_cost, generic64_cost,
3463 generic32_cost): Add memcpy/memset descriptors.
3464 (x86_rep_movl_optimal): Remove.
3465 (stringop_alg): New static variable.
3466 (ix86_expand_aligntest): Handle predictions.
3467 (override_options): Add strgop_alg handling.
3468 (predict_jump): New function.
3469 (scale_counter): New function.
3470 (expand_set_or_movmem_via_loop): New function.
3471 (expand_movmem_via_rep_mov): New function.
3472 (expand_setmem_via_rep_stots): New function.
3473 (emit_strmov): New function.
3474 (expand_movmem_epilogue): New function.
3475 (expand_setmem_epilogue_via_loop): New function.
3476 (expand_setmem_epilogue): New function.
3477 (expand_movmem_prologue): New function.
3478 (expand_setmem_prologue): New function.
3479 (decide_alg): New function.
3480 (decide_alignment): New function.
3481 (ix86_exand_movmem): Rewrite.
3482 (promote_duplicated_reg): New function.
3483 (ix86_expand_clrmem): Rename to ...
3484 (ix86_expand_setmem): ... this one. Rewrite.
3486 * invoke.texi (minline-stringops-dynamically): New command line option.
3487 (mstringop-strategy): Likewise.
3489 2006-11-27 Jan Hubicka <jh@suse.cz>
3491 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3492 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3493 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3494 * insn-notes.def (FUNCTION_END): Remove.
3495 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3496 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3498 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3499 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3500 * cfglayout.c (duplicate_insn_chain): Don't worry about
3503 2006-11-27 Richard Guenther <rguenther@suse.de>
3504 Zdenek Dvorak <dvorakz@suse.cz>
3506 * target.h (struct gcc_target): Add builtin_vectorized_function
3508 * target-def.h (TARGET_VECTORIZE): Likewise.
3509 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3510 Document new target hook.
3511 * targhooks.h (default_builtin_vectorized_function): Declare.
3512 * targhooks.c (default_builtin_vectorized_function): Define.
3513 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3514 (vectorizable_call): Declare.
3515 * tree-vect-analyze.c (vect_analyze_operations): Call
3517 * tree-vect-transform.c (vectorizable_function): New static function.
3518 (build_vectorized_function_call): Likewise.
3519 (vectorizable_call): New function.
3520 (vect_transform_stmt): Handle vectorizable calls.
3522 2006-11-27 Richard Guenther <rguenther@suse.de>
3525 * builtins.c (expand_builtin_pow): Optimize non integer valued
3526 constant exponents using sqrt or cbrt if possible. Always fall back
3527 to expanding via optabs.
3529 2006-11-27 Ira Rosen <irar@il.ibm.com>
3531 PR tree-optimization/22372
3532 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3533 the type of the base address.
3534 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3535 it in the data-ref pointer creation.
3536 (vect_init_vector): Add an argument, type of the init vector. Use it in
3538 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3539 (get_initial_def_for_reduction): Likewise.
3540 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3542 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3543 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3544 correct type in stmt creation.
3545 (vect_setup_realignment): Use the correct type in stmt creation.
3546 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3548 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3549 of MODIFY_EXPR to void_type_node.
3550 (vectorizable_condition): Change type of MODIFY_EXPR to
3552 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3555 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3558 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3559 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3560 standard 80387 constants, raise the cost to prevent
3561 compress_float_constant() to generate load from memory.
3563 * config/i386/i386.md: Add new splitter pattern to split
3564 float_extended load of constant from constant pool into
3567 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3569 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3570 section to general section. Remove documentation for
3571 --with-mpfr-dir and --with-gmp-dir, add documentation for
3572 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3575 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3577 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3579 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3581 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3583 PR tree-optimization/29122
3584 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3585 for the new version. Assign NULL to DECL_RTL of the new version.
3587 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3589 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3591 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3593 * cse.c (cse_altered): Remove.
3594 (record_jump_equiv): Make true/false argument a bool instead
3596 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3597 where appropriate. Emit a new jump before the existing one
3598 instead of after so that delete_insn_and_edges removes the
3599 dead edges properly. Check any_condjump_p before calling
3601 (cse_basic_block): Check any_condjump_p before calling
3603 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3605 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3607 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3608 -ffixed-line-length-* options.
3610 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3612 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3613 (fprem1xf4): Rename to fprem1xf4_i387.
3615 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3616 Rename patterns to fmod<mode>3. Use general_operand operand
3617 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3618 patterns for SSE math.
3619 (remaindersf3, remainderdf3): Ditto.
3621 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3623 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3624 inside start_sequence / end_sequence pair.
3626 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3628 * jump.c (mark_all_labels): Work in cfglayout mode.
3629 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3630 when in cfglayout mode, because there are no dead jumptables
3632 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3634 (commit_edge_insertions): Do not allow insertion of instructions
3635 with control flow insns when in cfglayout mode.
3637 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3639 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3641 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3642 unswitch_loop): Ditto.
3643 * tree-loop-linear.c (linear_transform_loops): Ditto.
3644 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3645 tree_ssa_lim): Ditto.
3646 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3647 free_numbers_of_iterations_estimates): Ditto.
3648 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3649 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3650 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3651 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3652 place_new_loop, duplicate_loop, duplicate_subloops,
3653 update_single_exit_for_duplicated_loops, copy_loops_to,
3654 duplicate_loop_to_header_edge, create_preheaders,
3655 force_single_succ_latches, loop_version, fix_loop_structure):
3657 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3658 tree_unroll_loop): Ditto.
3659 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3660 * tree-scalar-evolution.c (select_loops_exit_conditions,
3661 scev_initialize, scev_analysis): Ditto.
3662 * tree-scalar-evolution.h (scev_initialize): Ditto.
3663 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3664 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3665 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3666 * modulo-sched.c (sms_schedule): Ditto.
3667 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3668 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3669 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3670 * ifcvt.c (if_convert): Ditto.
3671 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3672 canonicalize_loop_induction_variables,
3673 canonicalize_induction_variables,
3674 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3675 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3676 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3677 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3678 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3679 tree_ssa_loop_done): Ditto.
3680 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3681 estimate_bb_frequencies): Ditto.
3682 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3683 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3684 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3685 decide_unrolling_and_peeling, peel_loop_completely,
3686 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3687 peel_loop_simple, unroll_loop_stupid): Ditto.
3688 * loop-doloop.c (doloop_optimize_loops): Ditto.
3689 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3690 * loop-invariant.c (move_loop_invariants): Ditto.
3691 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3692 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3693 tree_ssa_prefetch_arrays): Ditto.
3694 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3696 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3697 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3698 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3699 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3700 verify_loop_structure): Ditto.
3701 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3702 canonicalize_induction_variables, tree_unroll_loops_completely,
3703 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3704 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3705 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3706 tree_unroll_loop, linear_transform_loops): Declaration changed.
3707 * basic-block.h: Remove declaration of struct loops.
3708 * cfghooks.h (struct cfg_hooks): Change type of
3709 cfg_hook_duplicate_loop_to_header_edge.
3710 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3711 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3712 vect_transform_loop): Declaration changed.
3713 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3714 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3715 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3716 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3717 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3718 loopify, loop_version, remove_path, unswitch_loops,
3719 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3720 Declaration changed.
3722 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3724 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3725 (X87MODEF): New mode macro.
3726 (ssemodefsuffix): New mode attribute.
3727 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3728 (sqrt_extend<mode>xf2_i387): New insn pattern.
3729 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3730 insn and truncate result back to original mode using
3731 UNSPEC_TRUNC_NOOP truncation.
3732 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3733 ssemodefsuffix mode attribute.
3734 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3735 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3736 (*sqrtextenddfxf2_i387): Remove insn patterns.
3738 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3739 truncation patterns.
3741 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3743 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3746 * c-tree.h (c_maybe_initialize_eh): New prototype.
3747 * c-decl.c (finish_decl): Move EH initialization...
3748 (c_maybe_initialize_eh): ... here. New function.
3749 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3750 if not #pragma omp atomic.
3753 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3754 or UNION_TYPE inner types.
3756 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3759 * ipa-pure-const.c (check_tree): If the original tree
3760 is volatile return early and say the function is not pure
3761 nor const. Remove the volatile check for writes.
3762 (analyze_function): Print out the result of the local
3765 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3767 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3769 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3770 * config/rs6000/rs6000.c (rs6000_override_options): Use
3771 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3774 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3776 * config/s390.c (s390_emit_compare_and_swap): New function.
3777 (s390_expand_cs_hqi, s390_expand_atomic): Call
3778 s390_emit_compare_and_swap.
3780 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3782 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3784 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3788 * c-common.c (conversion_warning): New.
3789 (convert_and_check): Call conversion_warning unless there is an
3791 * doc/invoke.texi (-Wconversion): Update description.
3793 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3795 * tree-ssa-alias.c (tree_pointer_compare): New function.
3796 (compact_name_tags): New function.
3797 (group_aliases): Call compact_name_tags.
3799 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3801 * real.h (real_isinteger): Declare.
3802 * real.c (real_isinteger): Define.
3803 * builtins.c (integer_valued_real_p): Use it.
3805 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3808 * c.opt (Wtraditional-conversion): New.
3809 (Wconversion): Update description.
3810 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3811 type conversions different from what would happen in the absence
3812 of prototype are now handled by Wtraditional-conversion.
3813 * doc/invoke.texi (Wtraditional-conversion): New.
3814 (Wconversion): Update description.
3815 * doc/trouble.texi (Wconversion): Replace Wconversion by
3816 Wtraditional-conversion.
3818 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3820 * predict.c (tree_estimate_probability): Check to make
3821 sure current_loops is non null before calling flow_loops_dump.
3823 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3825 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3827 2006-11-23 David Ung <davidu@mips.com>
3829 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3831 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3832 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3833 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3834 high part of FP register when in 64-bit FP register mode. Similarly
3835 use gen_mfhc1 to load high part of FP register.
3836 (override_options): Allow -mgp32 and -mfp64 combination if
3837 ISA_HAS_MXHC1 (currently for O32 only).
3838 (mips_cannot_change_mode_class): If floating-point registers are
3839 bigger than word size. disallow conversion of float register from a
3840 large integer mode to a float mode smaller than the float register
3842 (mips_class_max_nregs): Handle float registers case seperately.
3843 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3845 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3846 (movdf_hardfloat_32bit): Similarly.
3847 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3848 support a full 64-bit fpu.
3849 (mthc1): New pattern to generate MTHC1 instruction.
3850 (mfhc1): New pattern to generate MFHC1 instruction.
3851 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3852 option for the MIPS32R2 and mention its use under O32 ABI.
3854 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3856 * var-tracking.c (emit_note_insn_var_location): Take care not to
3857 cause verify_flow_info failures.
3859 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3861 * tree-ssa-structalias.c: Remove edge weights in favor of just
3862 processing them as complex constraints.
3863 (struct constraint_graph): Remove weighted succs and preds. Rename
3864 nonweighted succs and preds.
3865 (constraint_edge): Removed.
3866 (constraint_edge_t): Ditto.
3867 (constraint_edge_pool): Ditto.
3868 (new_constraint_edge): Ditto.
3869 (constraint_edge_equal): Ditto.
3870 (constraint_edge_less): Ditto.
3871 (constraint_edge_vec_find): Ditto.
3872 (erase_self_graph_edge): Ditto.
3873 (add_graph_edge): Removed.
3874 (get_graph_weights): Ditto.
3875 (allocate_graph_weights): Ditto.
3876 (valid_weighted_graph_edge): Ditto
3877 (bitmap_other_than_zero_bit_set): Ditto.
3878 (int_add_graph_edge): Renamed to add_graph_edge.
3879 (clear_edges_for_node): Remove support for weighted edges.
3880 (merge_graph_nodes): Ditto.
3881 (valid_graph_edge): Ditto.
3882 (build_constraint_graph): Ditto.
3884 (collapse_nodes): Ditto.
3885 (process_unification_queue): Ditto.
3886 (topo_visit): Ditto.
3887 (do_ds_constraint): Ditto.
3888 (perform_var_subsitution): Ditto.
3889 (solve_graph): Ditto.
3890 (init_alias_vars): Ditto.
3891 (delete_points_to_sets): Ditto.
3892 (do_complex_constraint): Support offsetted copies here.
3894 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3896 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3898 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3900 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3903 2006-11-23 Ben Elliston <bje@au.ibm.com>
3905 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3907 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3909 PR tree-optimization/29921
3910 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3911 signed and unsigned zero equal.
3913 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3915 * config/rs6000/rs6000.c (get_store_dest): New.
3916 (adjacent_mem_locations): Use get_store_dest() to get
3917 the rtl of the store destination.
3919 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3921 * config/rs6000/spe.md (SPE64): New mode macro.
3922 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3924 (mov_si<mode>_e500_subreg0_2): New.
3925 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3927 (mov_si<mode>_e500_subreg4_2): New.
3928 * config/rs6000/predicates.md (input_operand): Do not allow
3929 invalid E500 subregs.
3930 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3932 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3933 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3934 involving vector modes if TARGET_SPE.
3936 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3939 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3940 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3942 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3944 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3945 mem_i_address_operand): New predicates.
3946 * config/bfin/bfin.c (bfin_issue_rate): New function.
3947 (TARGET_SCHED_ISSUE_RATE): New macro.
3948 * config/bfin/bfin.md (addrtype): New attribute.
3949 (slot0, slot1, slot2, store, pregs): New cpu_units.
3950 (core): Now a define_reservation.
3951 (alu): Remove some insn types from this reservation.
3952 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3954 (dummy reservation): Don't trigger for mcld insns.
3955 (absence_sets): Two new absence sets to enforce slot ordering.
3956 (popsi_insn): Set addrtype.
3958 2006-11-22 Ira Rosen <irar@il.ibm.com>
3960 * doc/c-tree.texi: Document new tree codes.
3961 * doc/md.texi: Document new optabs.
3962 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3964 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3965 * optabs.h (optab_index): Add new.
3966 (vec_extract_even_optab, vec_extract_odd_optab,
3967 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3968 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3969 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3971 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3972 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3973 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3974 along with macros for their access.
3975 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3977 * tree-vect-analyze.c (toplev.h): Include.
3978 (vect_determine_vectorization_factor): Fix indentation.
3979 (vect_insert_into_interleaving_chain,
3980 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3981 (vect_analyze_data_ref_dependence): Add argument for interleaving
3982 check. Check for interleaving if it's true.
3983 (vect_check_dependences): New function.
3984 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3985 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3986 (vect_update_misalignment_for_peel): Update for interleaving.
3987 (vect_verify_datarefs_alignment): Check only first data-ref for
3989 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3990 only first data-ref for interleaving.
3991 (vect_analyze_data_ref_access): Check interleaving, update
3993 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3994 with different parameters.
3995 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3996 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3997 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3998 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3999 Update step in case of interleaving.
4000 (vect_strided_store_supported, vect_permute_store_chain): New
4002 (vectorizable_store): Handle strided stores.
4003 (vect_strided_load_supported, vect_permute_load_chain,
4004 vect_transform_strided_load): New functions.
4005 (vectorizable_load): Handle strided loads.
4006 (vect_transform_stmt): Add argument. Handle strided stores. Check
4007 that vectorized stmt exists for patterns.
4008 (vect_gen_niters_for_prolog_loop): Update calculation for
4010 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4011 whole chain vectorization.
4012 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4013 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4014 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4015 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4016 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4018 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4020 * cse.c (enum taken): Remove PATH_AROUND.
4021 (addr_affects_sp_p, invalidate_skipped_set,
4022 invalidate_skipped_block): Remove.
4023 (cse_end_of_basic_block): Remove skip_blocks and related code.
4024 (cse_main): Don't test for flag_cse_skip_blocks.
4025 Update cse_end_of_basic_block call.
4026 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4027 code to lengthen the path if a jump was simplified.
4029 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4031 PR rtl-optimization/29924
4032 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4033 (unroll_loop_runtime_iterations): Assert that the argument passed to
4034 split_edge_and_insert is not NULL.
4035 * loop-doloop.c (add_test): Ditto.
4037 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4039 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4041 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4042 * cfgloopmanip.c (update_single_exits_after_duplication,
4043 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4044 * tree-scalar-evolution.c (get_loop_exit_condition,
4045 get_exit_conditions_rec, loop_closed_phi_def,
4046 number_of_iterations_in_loop, scev_const_prop): Ditto.
4047 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4048 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4050 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4052 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4053 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4054 slpeel_make_loop_iterate_ntimes,
4055 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4056 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4058 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4059 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4060 vect_analyze_loop_form): Ditto.
4061 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4062 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4063 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4064 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4065 vect_transform_loop): Ditto.
4066 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4067 (single_exit, set_single_exit): New functions.
4068 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4069 (single_exit, set_single_exit): Declare.
4070 * doc/loop.texi: Undocument single_exit field. Document single_exit
4073 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4075 PR tree-optimization/29902
4076 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4077 any involved ssa name appears in abnormal phi node.
4079 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4081 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4082 (xtensa_const_ok_for_letter_p): Delete.
4083 (xtensa_extra_constraint): Delete.
4084 (override_options): Delete xtensa_char_to_class initialization.
4085 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4086 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4087 (EXTRA_CONSTRAINT): Delete.
4088 * config/xtensa/xtensa.md: Include constraints.md.
4089 (call_internal): Combine alternatives.
4090 (call_value_internal): Likewise, and remove invalid constraints.
4091 * config/xtensa/constraints.md: New file.
4092 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4093 (xtensa_extra_constraint): Delete.
4094 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4097 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4099 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4100 of conversion that doesn't fit.
4102 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4103 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4104 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4106 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4108 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4110 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4112 2006-11-21 Richard Guenther <rguenther@suse.de>
4114 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4115 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4116 vect_recog_pow_pattern.
4117 (vect_recog_pow_pattern): New function.
4119 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4121 * config/bfin/bfin.opt (mstack-check-l1): New.
4122 * doc/invoke.texi (Blackfin Options): Document it.
4123 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4124 stack bounds in L1 memory if the new option is enabled.
4125 (override_options): Don't allow combinations of -fstack-limit and
4127 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4130 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4132 (bfin_register_move_cost): Bump costs if trying to move plain
4133 integer values through accumulators.
4135 2006-11-21 Ben Elliston <bje@au.ibm.com>
4137 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4139 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4140 Russell Olsen <Russell_Olsen@playstation.sony.com>
4141 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4142 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4143 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4144 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4145 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4147 * config.gcc: Add target for SPU.
4148 * config/spu/constraints.md: New file.
4149 * config/spu/crt0.c: New file.
4150 * config/spu/crtend.c: New file.
4151 * config/spu/crti.asm: New file.
4152 * config/spu/crtn.asm: New file.
4153 * config/spu/float_unsdidf.c: New file.
4154 * config/spu/float_unssidf.c: New file.
4155 * config/spu/predicates.md: New file.
4156 * config/spu/spu-builtins.def: New file.
4157 * config/spu/spu-builtins.h: New file.
4158 * config/spu/spu-builtins.md: New file.
4159 * config/spu/spu-c.c: New file.
4160 * config/spu/spu-elf.h: New file.
4161 * config/spu/spu-modes.def: New file.
4162 * config/spu/spu-protos.h: New file.
4163 * config/spu/spu.c: New file.
4164 * config/spu/spu.h: New file.
4165 * config/spu/spu.md: New file.
4166 * config/spu/spu.opt: New file.
4167 * config/spu/spu_internals.h: New file.
4168 * config/spu/spu_intrinsics.h: New file.
4169 * config/spu/spu_mfcio.h: New file.
4170 * config/spu/t-spu-elf: New file.
4171 * config/spu/vec_types.h: New file.
4172 * config/spu/vmx2spu.h: New file.
4173 * doc/contrib.texi: Document SPU contributor.
4174 * doc/extend.texi: Document SPU extensions.
4175 * doc/invoke.texi: Document SPU options.
4176 * doc/md.texi: Document SPU constraints.
4178 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4180 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4182 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4184 (flow_loop_dump): Do not dump loop level.
4185 (flow_loops_find): Do not call flow_loops_level_compute.
4186 * cfgloop.h (struct loop): Remove level field.
4188 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4190 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4191 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4192 Use vector of edges instead of array.
4193 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4194 estimate_numbers_of_iterations_loop): Ditto.
4195 * predict.c (predict_loops): Ditto.
4196 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4197 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4199 * basic-block.h: Declare heap allocation for edge vectors.
4200 * tree-outof-ssa.c: Ditto.
4201 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4202 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4204 2006-11-20 Zack Weinberg <zackw@panix.com>
4206 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4207 Add another out parameter, "skip".
4208 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4209 is tagged "skip", do not mark its type used.
4211 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4214 * tree-sra.c (single_scalar_field_in_record_p): New function.
4215 (decide_block_copy): Use it.
4217 2006-11-20 David Daney <ddaney@avtrex.com>
4219 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4220 PC to point to following instruction.
4222 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4226 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4228 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4230 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4232 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4233 Add sh/superh.h to tm_file.
4235 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4236 Mark Mitchell <mark@codesourcery.com>
4238 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4240 (cpp_relocated): New function.
4241 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4243 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4244 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4245 replace configured prefix with gcc_exec_prefix.
4247 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4249 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4250 bfin_legitimate_constant_p.
4251 * config/bfin/bfin.md (movsi expander): Check return value of
4253 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4254 (expand_move): Adjust prototype.
4255 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4256 invalid constants specially.
4257 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4259 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4261 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4262 sibcall_value_symbol): Allow these patterns if
4263 TARGET_LEAF_ID_SHARED_LIBRARY.
4264 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4265 (override_options): Turn on id shared library flags if -msep-data,
4266 but disallow the combination of these options on the command line.
4267 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4268 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4269 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4270 -mid-shared-library.
4271 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4272 * doc/invoke.texi (Blackfin Options): Document new switches.
4274 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4275 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4277 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4278 inflate costs for addresses with an out-of-bounds address.
4280 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4283 * fwprop.c (loops): Remove.
4284 (forward_propagate_into): Use current_loops instead of
4286 (fwprop_init): Call loop_optimizer_init instead of
4288 (fwprop_done): Call loop_optimizer_finalize instead of
4290 (fwprop): Use current_loops instead of loops.
4292 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4295 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4297 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4300 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4301 larger than BITS_PER_WORD.
4303 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4307 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4308 to MAX_FIXED_MODE_SIZE.
4310 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4312 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4313 (fold_builtin_fmin_fmax): New.
4314 (fold_builtin_1): Use it.
4316 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4318 2006-11-18 Richard Guenther <rguenther@suse.de>
4320 * config/i386/i386.c (ix86_builtins): New array for ix86
4321 builtin function decls.
4322 (def_builtin): New function.
4323 (def_builtin_const): Likewise.
4324 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4326 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4328 * doc/invoke.texi (core2): Add item.
4330 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4332 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4333 (TARGET_CPU_DEFAULT_generic): Change value.
4334 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4335 (processor_type): Add new constant PROCESSOR_CORE2.
4337 * config/i386/i386.md (cpu): Add core2.
4339 * config/i386/i386.c (core2_cost): New initialized variable.
4340 (m_CORE2): New macro.
4341 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4342 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4343 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4344 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4345 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4346 x86_accumulate_outgoing_args, x86_prologue_using_move,
4347 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4348 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4349 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4350 x86_pad_returns): Add m_CORE2.
4351 (override_options): Add entries for Core2.
4352 (ix86_issue_rate): Add case for Core2.
4354 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4356 * doc/invoke.texi: Fix mno-isel typo.
4358 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4360 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4361 easy vector constant loads.
4363 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4365 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4366 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4367 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4368 * config/rs6000/sync.md (lwsync): Emit plain sync if
4371 2006-11-17 DJ Delorie <dj@redhat.com>
4373 * reload1.c (reloads_unique_chain): New.
4374 (reloads_conflict): Call it.
4376 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4378 * config/xtensa/predicates.md (addsubx_operand): New.
4379 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4380 (xtensa_emit_bit_branch): New.
4381 (xtensa_emit_movcc): New.
4382 * config/xtensa/xtensa.md (any_minmax): New code macro.
4383 (minmax): New code attribute.
4384 (any_cond, any_scc, any_scc_sf): New code macros.
4385 (*addx2, *addx4, *addx8): Delete.
4387 (*subx2, *subx4, *subx8): Delete.
4389 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4390 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4391 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4392 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4393 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4394 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4395 (movsfcc_internal0, movsfcc_internal1): Likewise.
4396 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4397 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4398 (xtensa_emit_bit_branch): New.
4399 (xtensa_emit_movcc): New.
4400 (function_arg_boundary): Add missing prototype.
4402 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4404 * config/xtensa/xtensa.md (tstsi): Delete
4406 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4408 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4410 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4412 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4414 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4416 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4418 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4420 * tree-vrp.c (execute_vrp): Do not update current_loops.
4421 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4422 * doc/loop.texi: Remove documentation for cancelled functions.
4423 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4424 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4426 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4427 (remove_path): Ensure that in delete_basic_blocks, the loops
4428 are still allocated.
4429 (add_loop): Work on valid loop structures.
4430 (loopify): Modify call of add_loop.
4431 (mfb_update_loops): Removed.
4432 (create_preheader): Do not update loops explicitly.
4433 (force_single_succ_latches, loop_version): Do not use
4434 loop_split_edge_with.
4435 (loop_split_edge_with): Removed.
4436 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4437 Do not use bsi_insert_on_edge_immediate_loop.
4438 (split_loop_exit_edge, tree_unroll_loop): Do not use
4439 loop_split_edge_with.
4440 (bsi_insert_on_edge_immediate_loop): Removed.
4441 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4442 use loop_split_edge_with.
4443 * cfghooks.c: Include cfgloop.h.
4444 (verify_flow_info): Verify that loop_father is filled iff current_loops
4446 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4447 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4449 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4451 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4452 loop_split_edge_with.
4453 (sms_schedule): Use current_loops.
4454 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4455 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4457 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4458 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4459 * ifcvt.c (if_convert): Ditto.
4460 * predict.c (predict_loops): Do not clear current_loops.
4461 (tree_estimate_probability): Use current_loops.
4462 (propagate_freq): Receive head of the region to propagate instead of
4464 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4465 (estimate_loops): New function. Handle case current_loops == NULL.
4466 (estimate_bb_frequencies): Do not allocate tovisit. Use
4468 * tree-ssa-loop.c (current_loops): Removed.
4469 (tree_loop_optimizer_init): Do not return loops.
4470 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4471 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4472 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4473 Do not update loops explicitly.
4474 * function.h (struct function): Add x_current_loops field.
4475 (current_loops): New macro.
4476 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4477 * loop-unroll.c (split_edge_and_insert): New function.
4478 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4479 use loop_split_edge_with.
4480 * loop-doloop.c (add_test, doloop_modify): Ditto.
4481 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4482 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4483 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4484 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4486 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4487 (flow_loops_free): Do not free dfs_order and rc_order.
4488 (flow_loops_find): Do not set dfs_order and rc_order in loops
4489 structure. Do not call loops and flow info verification.
4490 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4491 already belongs to some loop.
4492 * cfgloop.h (struct loops): Remove struct cfg.
4493 (current_loops, loop_split_edge_with): Declaration removed.
4494 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4495 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4496 Declaration removed.
4497 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4498 * basic-block.h (split_edge_and_insert): Declare.
4499 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4501 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4503 PR tree-optimization/29801
4504 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4505 (get_default_value): Use get_symbol_constant_value.
4506 (set_lattice_value): ICE when the value of the constant is
4508 (visit_assignment): Ignore VDEFs of read-only variables.
4510 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4512 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4514 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4515 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4517 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4519 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4520 select subvars of var.
4522 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4525 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4526 optimize if DEF doesn't have integral type.
4528 2006-11-16 Mike Stump <mrs@apple.com>
4530 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4531 pre-darwin9 system, unless the user asks for it directly.
4532 (PREFERRED_DEBUGGING_TYPE): Likewise.
4533 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4534 * config.gcc: Add suppport for darwin9.h.
4535 * config/darwin9.h: Add.
4536 * doc/install.texi (Specific): Clarify darwin documentation.
4538 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4540 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4541 optimizing for size.
4543 2006-11-16 Mike Stump <mrs@apple.com>
4545 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4547 2006-11-16 Dirk Mueller <dmueller@suse.de>
4549 * tree-vrp.c (get_value_range): Use XCNEW instead
4551 (insert_range_assertions): Use XCNEWVEC instead
4552 of XNEWVEC and memset.
4553 (vrp_initialize): Same.
4554 (vrp_finalize): Same.
4555 * tree-ssa-ccp.c (ccp_initialize): Same.
4556 * predict.c (tree_bb_level_predictions): Same.
4557 * calls.c (expand_call): Same.
4558 * tree-ssa-copy.c (init_copy_prop): Same.
4559 (fini_copy_prop): Same.
4560 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4561 of GGC_NEW and memset.
4563 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4566 * gimplify.c (gimplify_expr): Only force a load for references to
4567 non-BLKmode volatile values.
4568 * doc/implement-c.texi (Qualifiers implementation): Document the
4569 interpretation of what a volatile access is.
4570 * doc/extend.texi (C++ Extensions): Rework same documentation.
4572 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4574 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4577 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4579 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4581 (arm_neg_abssi2): Renamed from neg_abssi2.
4582 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4584 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4586 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4587 number of arguments passed to local functions in SSE registers is 3.
4589 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4590 number of arguments passed in SSE registers to 3.
4592 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4595 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4597 (get_last_bb_insn): ... new global function.
4598 (basic_block.h): Declare it.
4599 * haifa-sched.c (create_recovery_block): Use it.
4601 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4604 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4606 2006-11-15 Paul Brook <paul@codesourcery.com>
4608 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4609 _Unwind_GetTextRelBase): Move from here ...
4610 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4611 _Unwind_GetTextRelBase): ... To here.
4613 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4615 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4616 addresses we generate for testing are aligned.
4618 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4621 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4622 to what is the const decl is a place holder for.
4624 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4626 * config/i386/i386.opt: New target option -mx87regparm.
4628 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4629 and float_in_x87 variables. mmx_words, sse_words: Remove.
4630 (X87_REGPARM_MAX): Define.
4632 * config/i386/i386.c (override_options): Error out for
4633 -mx87regparm but no 80387 support.
4634 (ix86_attribute_table): Add x87regparm.
4635 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4636 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4637 (ix86_function_x87regparm): New function.
4638 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4640 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4642 (function_arg_advance): Process x87_nregs and x87_regno when
4643 floating point argument is to be passed in 80387 register.
4644 (function_arg): Pass XFmode arguments in 80387 registers for local
4645 functions. Pass SFmode and DFmode arguments to local functions
4646 in 80387 registers when flag_unsafe_math_optimizations is set.
4648 * reg-stack.c (convert_regs_entry): Disable NaN load for
4649 stack registers that are used for argument passing.
4651 * doc/extend.texi: Document x87regparm function attribute.
4652 * doc/invoke.texi: Document -mx87regparm.
4654 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4656 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4657 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4658 arg MODE; all callers changed. Use it to determine validity per
4659 machine mode instead of using Pmode for all memory references.
4660 (get_address_cost): Likewise add and use new arg MEM_MODE.
4662 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4663 J"orn Rennecke <joern.rennecke@st.com>
4665 * combine.c (likely_spilled_retval_1): Fix masking operation.
4666 (likely_spilled_retval_p): Use proper pattern for call to
4667 likely_spilled_retval_1.
4669 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4671 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4673 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4674 that tests for CONSTANT_POOL_ADDRESS_P.
4676 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4678 PR tree-optimization/29581
4679 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4680 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4681 type is different between Y and USE, create a temporary
4682 variable, initialize it at the beginning of the body bb
4683 and use it as replacement instead of Y.
4685 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4688 * gimplify.c (fold_indirect_ref_rhs): Use
4689 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4691 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4693 * expmed.c (emit_store_flag_1): New function.
4694 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4696 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4697 Use do_compare_rtx_and_jump.
4698 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4699 * arm.md (cstoresi4): New define_expand.
4700 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4701 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4702 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4704 2006-11-14 Caroline Tice <ctice@apple.com>
4706 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4707 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4709 (pubname_table): Redefine as a vector.
4710 (pubtype_table): New static global variable, defined as a vector.
4711 (pubname_table_allocated): Remove static global variable.
4712 (pubname_table_in_use): Remove static global variable.
4713 (PUBNAME_TABLE_INCREMENT): Remove constant.
4714 (size_of_pubnames): Add parameter to deal with either pubnames or
4715 pubtypes, and change code to deal with table being a vector.
4716 (add_pubname): Change to deal with table being a vector.
4717 (add_pubtype): New function.
4718 (output_pubnames): Add parameter to deal with either pubnames or
4719 pubtypes, and change code to deal with table being a vector.
4720 (gen_array_type_die): Add call to add_pubtype.
4721 (gen_enumeration_type_die): Add call to add_pubtype.
4722 (gen_struct_or_union_type_die): Add call to add_pubtype.
4723 (gen_subroutine_type_die): Add call to add_pubtype.
4724 (gen_typedef_die): Add call to add_pubtype.
4725 (dwarf2out_init): Add code to initialize pubname_table and
4726 pubtype_table vectors; also initialize debug_pubtypes_section.
4727 (prune_unused_types): Change to deal with pubnames being a vector.
4728 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4729 pubnames table to call to output_pubnames; Add code to output pubtypes
4730 table if DEBUG_PUBTYPES_SECTION is defined.
4731 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4733 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4735 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4737 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4738 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4739 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4740 movv2si_internal): Support moves between core registers.
4742 2006-11-14 Eric Christopher <echristo@apple.com>
4744 * configure: Regenerate with autoconf 2.59.
4746 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4748 Fix PR tree-optimization/27755
4750 * tree-ssa-pre.c: Update comments.
4751 (bb_bitmap_sets): Add pa_in and deferred member.
4752 (BB_DEFERRED): New macro.
4753 (maximal_set): New variable.
4754 (pre_stats): Add pa_insert member.
4755 (bitmap_set_and): Short circuit orig == dest.
4756 (bitmap_set_subtract_values): New function.
4757 (bitmap_set_contains_expr): Ditto.
4758 (translate_vuses_through_block): Add phiblock argument.
4759 (dependent_clean): New function.
4760 (compute_antic_aux): Update for maximal_set changes.
4761 (compute_partial_antic_aux): New function.
4762 (compute_antic): Handle partial anticipation.
4763 (do_partial_partial_insertion): New function.
4764 (insert_aux): Handle partial anticipation.
4765 (add_to_sets): Add to maximal set.
4766 (compute_avail): Ditto.
4767 (init_pre): Initialize maximal_set.
4768 (execute_pre): Do partial anticipation if -O3+.
4770 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4772 PR rtl-optimization/29798
4774 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4775 TARGET_INSN before any other check.
4776 (fwprop_init): Always calculate dominators.
4777 (fwprop_done): Always free them.
4779 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4781 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4784 2006-11-13 DJ Delorie <dj@redhat.com>
4786 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4787 temporary for intermediates.
4789 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4791 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4792 (sh_optimize_target_register_callee_saved): #if 0 the code
4793 using NOTE_INSN_LOOP_{BEG,END}.
4795 2006-11-13 Roger Sayle <roger@eyesopen.com>
4797 * fold-const.c (optimize_bit_field_compare): Recursively call
4798 fold when simplifying non-constant comparisons between bit-fields.
4800 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4802 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4804 * configure: Rebuilt.
4806 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4808 * config/rs6000/cell.md: New file.
4809 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4811 (ppccell_cost): New cost matrix.
4812 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4813 (rs6000_override_options): Set rs6000_always_hint to false
4814 for cell. Also align functions/lables/loops to 8byte
4815 for the Cell. Use PROCESSOR_CELL.
4816 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4817 using_mtcr_multiple.
4818 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4819 on the Cell, return 0.
4820 (rs6000_adjust_cost): Add Cell cost adjustments.
4821 (is_microcoded_insn): Return true for Cell microcoded
4823 (is_nonpipeline_insn): New function.
4824 (rs6000_issue_rate): Add PROCESSOR_CELL.
4825 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4827 (rs6000_use_sched_lookahead_guard): New function.
4828 (rs6000_sched_reorder): Reorder the ready list, if the second
4829 to last ready insn is a nonepipeline insn on the Cell.
4830 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4831 (ASM_CPU_SPEC): Add Cell.
4832 * config/rs6000/rs6000.md (cpu): Add Cell.
4833 (cell_micro): New Attr.
4836 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4838 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4840 * configure: Rebuilt.
4842 2006-11-13 Richard Guenther <rguenther@suse.de>
4844 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4846 (ix86_expand_lfloorceil): Likewise.
4847 (ix86_expand_rint): Likewise.
4848 (ix86_expand_floorceildf_32): Likewise.
4849 (ix86_expand_floorceil): Likewise.
4850 (ix86_expand_rounddf_32): Likewise.
4851 (ix86_expand_truncdf_32): Likewise.
4852 (ix86_expand_round): Likewise.
4854 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4855 Mark Mitchell <mark@codesourcery.com>
4857 * gcc.c: Organize search path variables into $prefix relative,
4858 and well-known native. Add comments.
4859 (add_sysrooted_prefix): Add comment.
4860 (process_command): If !gcc_exec_prefix add $prefix based paths.
4861 If *cross_compile == '0', add native well-known paths.
4862 Assert tooldir_base_prefix is always relative.
4863 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4864 use this value for 'install:' path.
4865 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4867 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4869 * config/i386/i386.c: Fix a typo in comment.
4871 2006-11-13 Michael Matz <matz@suse.de>
4873 * genemit.c (gen_expand): Allocate enough memory.
4875 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4877 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4878 __GXX_TYPEINFO_EQUALITY_INLINE but not
4879 __GXX_MERGED_TYPEINFO_NAMES.
4880 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4881 __GXX_MERGED_TYPEINFO_NAMES.
4882 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4883 __GXX_TYPEINFO_EQUALITY_INLINE.
4885 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4886 Zdenek Dvorak <dvorakz@suse.cz>
4888 PR tree-optimization/29680
4889 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4892 2006-11-12 Jason Merrill <jason@redhat.com>
4893 Andrew Pinski <pinskia@physics.uc.edu>
4896 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4898 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4900 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4901 * tree.c (build_vector): Handle non-_CST elements.
4903 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4905 * genemit.c (gen_insn): Call gen_exp with a non-null used
4906 when handling multiple insns.
4907 (gen_expand): Likewise.
4908 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4909 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4910 (movsi_const_16bit+1): Copy operands[1].
4911 (call_pcrel): Copy the call_site pattern.
4912 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4914 2006-11-12 Roger Sayle <roger@eyesopen.com>
4916 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4917 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4918 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4919 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4921 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4923 Fix PR tree-optimization/29587
4924 * tree-ssa-structalias.c (process_constraint): Don't
4925 mark address taken due only to escaped vars constraint.
4927 2006-11-12 Michael Matz <matz@suse.de>
4928 Roger Sayle <roger@eyesopen.com>
4930 PR rtl-optimization/29797
4931 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4932 BITS_BIG_ENDIAN targets.
4934 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4936 * builtins.c (fold_builtin_cosh): New.
4937 (fold_builtin_1): Use it.
4938 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4939 trunc to the list of "odd" functions. Also add llrint, lrint,
4940 rint and nearbyint when flag_rounding_math is false.
4942 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4944 * tree-flow.h (name_mappings_registered_p): Declare.
4945 * tree-into-ssa.c (name_mappings_registered_p): New function.
4946 * tree-cfg.c (tree_can_merge_blocks_p): Check
4947 name_mappings_registered_p instead of need_ssa_update_p.
4949 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4951 * tree-ssa-loop.c (tree_vectorize): Return the result of
4953 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4954 if anything changed.
4955 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4956 * tree-flow.h (vectorize_loops): Declaration changed.
4958 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4960 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4962 (issue_prefetch_ref): Move assignment to write_p out of loop.
4963 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4964 SIMULTANEOUS_PREFETCHES into account.
4965 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4966 * lambda-code.c (lcm): Renamed to ...
4967 (least_common_multiple): ... and exported.
4968 * tree-flow.h (least_common_multiple): Declare.
4970 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4972 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4973 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4974 ud-chains. Handle AND_EXPR.
4975 (record_estimate): Record whether the estimate is realistic
4976 and whether it is derived from a loop exit.
4977 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4978 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4980 (compute_estimated_nb_iterations): Take only realistic bounds into
4981 account. Set estimate_state. Use double_ints.
4982 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4983 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4984 that do not have to be always executed.
4985 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4986 to determine whether to call infer_loop_bounds_from_undefined
4987 and compute_estimated_nb_iterations.
4988 (n_of_executions_at_most): Use double_ints.
4989 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4990 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4991 * double-int.c (double_int_to_tree): Improve comment.
4992 (double_int_fits_to_tree_p): New function.
4993 * double-int.h (double_int_fits_to_tree_p): Declare.
4994 * tree-data-ref.c: Include langhooks.h.
4995 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4996 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4997 (analyze_array): Do not pass estimate_only argument to
4998 analyze_array_indexes.
4999 (get_number_of_iters_for_loop): Build tree from the stored double_int
5001 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5002 (find_data_references_in_loop): Use find_data_references_in_stmt.
5003 * tree-data-ref.h (struct data_ref_loc_d): New.
5004 (get_references_in_stmt): Declare.
5005 (estimate_iters_using_array): Declaration removed.
5006 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5007 double_int. Improve comments. Add is_exit and realistic
5009 (struct loop): Changed type of estimated_nb_iterations to double_int.
5010 Added estimate_state field.
5011 (record_estimate): Declaration removed.
5013 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5015 * params.c (set_param_value): Initialize the "set" field.
5016 * params.h (struct param_info): Add "set" field.
5017 (PARAM_SET_P): New macro.
5018 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5019 L1_CACHE_LINE_SIZE): New macros.
5020 * toplev.c (DEFPARAM): Initialize the "set" field.
5021 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5022 SIMULTANEOUS_PREFETCHES): Removed.
5023 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5024 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5025 * config/sparc/sparc.c: Include params.h.
5026 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5027 L1_CACHE_LINE_SIZE parameters.
5028 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5030 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5032 * config/i386/i386.c: Include params.h.
5033 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5034 (override_options): Set SIMULTANEOUS_PREFETCHES and
5035 L1_CACHE_LINE_SIZE parameters.
5036 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5037 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5038 L1_CACHE_LINE_SIZE parameters.
5039 * config/ia64/ia64.c (ia64_optimization_options): Set
5040 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5041 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5043 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5044 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5045 * doc/invoke.texi: Document new params.
5047 2006-11-12 Roger Sayle <roger@eyesopen.com>
5049 PR tree-optimization/13827
5050 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5053 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5055 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5056 update_single_exit_for_duplicated_loops): New functions.
5057 (duplicate_loop_to_header_edge): Use
5058 update_single_exit_for_duplicated_loops.
5059 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5060 functions only with ENABLE_CHECKING.
5062 2006-11-12 Andreas Schwab <schwab@suse.de>
5064 * except.c (sjlj_emit_function_enter): Remove unused variable.
5066 2006-11-11 Roger Sayle <roger@eyesopen.com>
5068 * fold-const.c (int_binop_types_match_p): New function.
5069 (size_binop): Relax constraint that both arguments must both have
5070 exactly the same sizetype type. Instead use int_binop_types_match_p.
5071 (size_diffop): Likewise.
5073 (make_range): Use build_int_cst instead of fold_convert.
5074 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5075 integer constants of the correct type.
5076 (fold_div_compare): Likewise.
5077 (fold_single_bit_test): Likewise.
5078 (fold_binary): Likewise.
5079 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5080 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5082 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5085 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5086 non null value if the struct memory access is in the 0th
5089 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5092 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5093 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5096 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5097 instead of builtin_define for bfin and BFIN.
5099 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5101 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5104 2006-11-11 Jan Hubicka <jh@suse.cz>
5106 * extend.texi (__builtin_expect): We no longer require second argument
5108 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5109 * builtins.c (expand_builtin_expect): Simplify.
5110 (expand_builtin_expect_jump): Kill.
5111 * final.c (final_scan_insn): Do not skip the removed notes.
5112 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5113 EXPECTED_VALUE): Remove.
5114 * dojump.c (do_jump): Do not care about __builtin_expect.
5115 * predict.c (expected_value_to_br_prob): Kill.
5116 * function.c (expand_function_end): Do not expand
5117 NOTE_INSN_REPEATED_LINE_NUMBER.
5118 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5119 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5120 * cfgexpand.c (add_reg_br_prob_note): Export.
5121 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5122 expected_value_to_br_prob.
5123 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5124 * rtl.h (add_reg_br_prob_note): Declare.
5126 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5128 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5130 2006-11-11 Jan Hubicka <jh@suse.cz>
5132 * predict.c (predict_loops): Kill RTL variant.
5134 2006-11-11 Jan Hubicka <jh@suse.cz>
5136 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5137 * modulo-sched.c (find_line_note): Remove.
5138 (loop_canon_p): Do not worry about line number notes.
5139 (sms_schedule): Likewise.
5140 * cse.c (cse_main): Likewise.
5141 * regmove.c (fixup_match_1): Likewise
5142 * function.c (emit_return_info_block): Likewise.
5143 (expand_function_end): Likewise.
5144 (thread_prologue_an_epilogue_insns): Likewise.
5145 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5147 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5148 emit_note_copy_after): Kill.
5149 (emit_note_copy): Do not worry about line numbers.
5150 * jump.c (purge_line_number_notes): Kill.
5151 (pass_purge_lineno_notes): Kill.
5152 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5154 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5155 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5156 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5157 * tree-pass.h (pass_purge_lineno_notes): Kill.
5158 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5159 rm_redundant_line_notes.
5160 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5161 rm_redundant_line_notes.
5162 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5163 * haifa-sched.c: Update comment about handling notes.
5164 (unlink_line_notes): Kill.
5165 (rm_line_notes): Kill.
5166 (save_line_notes): Simplify.
5167 (rm_redundant_line_notes): Kill.
5169 2006-11-11 Richard Guenther <rguenther@suse.de>
5171 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5172 Remove unused tree codes.
5173 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5174 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5175 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5176 * tree.c (stabilize_reference): Likewise.
5177 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5178 fold_unary): Likewise.
5179 * tree-gimple.c (is_gimple_cast): Likewise.
5180 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5181 * expr.c (expand_expr_real_1): Likewise.
5182 * tree-eh.c (tree_could_trap_p): Likewise.
5183 * gimplify.c (gimplify_expr): Likewise.
5184 * tree-inline.c (estimate_num_insns_1): Likewise.
5185 * tree-cfg.c (verify_expr): Likewise.
5187 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5189 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5190 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5191 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5193 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5196 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5197 constraints accept neither registers or memories.
5199 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5201 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5202 (NO_PROFILE_COUNTERS): Define as 1.
5204 2006-11-10 Roger Sayle <roger@eyesopen.com>
5206 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5207 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5209 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5211 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5213 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5215 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5216 (fold_builtin_hypot): Likewise.
5217 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5219 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5221 2006-11-10 Roger Sayle <roger@eyesopen.com>
5223 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5224 when attempting to build INTEGER_CSTs of non-integral types.
5225 * expmed.c (make_tree): Use the correct type, i.e. the inner
5226 type, when constructing the individual elements of a CONST_VECTOR.
5228 2006-11-10 Jan Hubicka <jh@suse.cz>
5230 * cse.c (cse_process_notes): Copy the propagated value.
5231 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5233 * gcse.c (try_replace_reg): Copy the replacement.
5234 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5235 (assign_386_stack_local): Always return copied memory expression
5236 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5239 2006-11-10 Jan Hubicka <jh@suse.cz>
5241 * final.c (final): Walk from first instruction.
5242 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5244 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5247 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5249 (umulv8hi3_highpart): Ditto.
5250 (vec_widen_smult_hi_v8hi): New expander.
5251 (vec_widen_smult_lo_v8hi): Ditto.
5253 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5256 * builtins.c (do_mpfr_arg3): New.
5257 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5259 2006-11-09 Eric Christopher <echristo@apple.com>
5264 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5265 * config.gcc (powerpc64-*-darwin*): New target.
5266 * config.host: Ditto.
5267 * config/rs6000/darwin64.h: New file.
5268 * config/rs6000/x-darwin64: Ditto.
5269 * config/rs6000/host-ppc64-darwin.c: Ditto.
5271 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5273 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5274 routines for integer division.
5276 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5278 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5280 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5283 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5285 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5287 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5288 simplify_subreg with BLKmode outer mode.
5290 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5292 * doc/invoke.texi: Minor formatting fixes in option lists.
5294 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5296 PR tree-optimization/29738
5297 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5298 (ccp_lattice_t): Remove UNKNOWN_VAL.
5299 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5300 Do not handle UNKNOWN_VAL.
5301 (get_default_value): Set initial value of virtual operands to
5303 (get_value): Always use get_default_value on uninitialized
5305 (set_value_varying, surely_varying_stmt_p): New functions.
5306 (set_lattice_value): Do not pass argument to get_value.
5307 Do not handle UNKNOWN_VAL.
5308 (likely_value): Follow the semantics described in the comment.
5309 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5310 phi nodes DONT_SIMULATE_AGAIN.
5311 (ccp_fold): Do not pass argument to get_value.
5312 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5315 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5317 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5318 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5320 2006-11-08 Roger Sayle <roger@eyesopen.com>
5322 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5323 test for inclusion rather than as a test for exclusion.
5324 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5325 the condition after calling fold_binary.
5326 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5327 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5328 * builtins.c (fold_builtin_isascii): Likewise.
5329 (fold_builtin_isdigit): Likewise.
5331 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5333 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5334 * configure: Regenerate.
5336 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5338 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5339 enum argument instead of bool.
5340 (vect_analyze_operations): Call vectorizable_type_promotion.
5341 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5342 stmt_vec_info_type value.
5343 (supportable_widening_operation, vectorizable_type_promotion): New
5344 function declarations.
5345 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5346 (vectorizable_type_promotion): New function.
5347 (vect_transform_stmt): Call vectorizable_type_promotion.
5348 * tree-vect-analyze.c (supportable_widening_operation): New function.
5349 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5351 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5354 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5355 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5356 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5358 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5359 * expr.c (expand_expr_real_1): Likewise.
5360 * optabs.c (optab_for_tree_code): Likewise.
5361 (init_optabs): Initialize new optabs.
5362 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5363 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5364 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5365 vec_unpacku_lo_optab): Initialize new optabs.
5366 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5367 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5368 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5370 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5371 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5372 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5373 (vec_unpacku_lo_optab): New optabs.
5374 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5375 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5376 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5377 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5378 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5379 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5381 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5382 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5383 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5384 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5385 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5386 implement the unsigned unpacking patterns.
5387 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5388 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5389 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5390 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5391 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5392 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5393 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5394 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5395 multiplication patterns.
5397 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5398 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5399 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5400 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5401 (rs6000_builtin_mul_widen_odd): New.
5402 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5403 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5404 * tree-vectorizer.h (enum vect_relevant): New enum type.
5405 (_stmt_vec_info): Field relevant chaned from bool to enum
5407 (STMT_VINFO_RELEVANT_P): Updated.
5408 (STMT_VINFO_RELEVANT): New.
5409 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5410 instead of STMT_VINFO_RELEVANT_P.
5411 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5412 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5413 and boolean variable with enum vect_relevant.
5414 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5415 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5416 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5418 2006-11-08 Richard Henderson <rth@redhat.com>
5420 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5421 vec_widen_umult_lo_v8hi): New.
5422 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5423 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5425 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5426 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5427 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5428 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5429 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5430 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5431 vec_unpacks_lo_v4si): New.
5433 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5435 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5436 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5437 (vect_analyze_operations): Call vectorizable_type_demotion.
5438 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5439 stmt_vec_info_type value.
5440 (vectorizable_type_demotion): New function declaration.
5441 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5444 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5445 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5447 * tree-iniline.c (estimate_num_insns_1): Likewise.
5448 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5449 * optabs.c (optab_for_tree_code): Likewise.
5451 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5452 compared against the predicate of the result is not 'mode' (the input
5453 to the function) but a mode with half the size of 'mode'.
5454 (init_optab): Initialize new optabs.
5455 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5457 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5459 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5460 (vec_pack_usat_optab): Initialize new optabs.
5461 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5462 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5464 2006-11-08 Richard Henderson <rth@redehat.com>
5466 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5467 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5468 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5469 (vec_interleave_highv4si, vec_interleave_lowv4si):
5470 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5472 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5474 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5476 (vect_transform_stmt): Removed redundant code.
5478 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5480 * tree-vect-transform.c (vectorizable_operation): Support multiple
5483 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5485 * tree-vect-transform.c (vect_align_data_ref): Removed.
5486 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5487 Updated function documentation. Return the increment stmt in ptr_incr.
5488 (bump_vector_ptr): New function.
5489 (vect_get_vec_def_for_stmt_copy): New function.
5490 (vect_finish_stmt_generation): Create a stmt_info to newly created
5492 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5494 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5495 VF is greater than the number of elements that can fit in one vector
5497 (vectorizable_operation, vectorizable_condition): Likewise.
5498 (vectorizable_store, vectorizable_load): Support the case that the VF
5499 is greater than the number of elements that can fit in one vector word.
5500 (vect_transform_loop): Don't fail in case of multiple data-types.
5501 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5502 in case of multiple data-types; the smallest type determines the VF.
5503 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5504 if they are of different sizes.
5505 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5506 number of elements rather than number of bytes.
5507 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5508 (vect_can_advance_ivs_p): Fix a dump printout
5510 2006-11-07 Eric Christopher <echristo@apple.com>
5512 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5513 (__bswapsi2): Ditto.
5514 * libgcc2.h: Remove transformation of bswap routines.
5515 * config/i386/i386.md (bswapsi2): New.
5518 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5520 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5521 (handle_gnu_inline_attribute): New function.
5522 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5523 (merge_decls, start_decl, start_function): Likewise.
5524 * doc/extend.texi: Document gnu_inline attribute.
5526 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5529 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5530 _fixunstfdi, and _floatditf
5532 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5534 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5536 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5537 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5538 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5539 which start in an odd register.
5541 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5543 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5545 2006-11-07 Josh Conner <jconner@apple.com>
5547 * doc/invoke.texi (fstrict-aliasing): Move implementation
5549 * doc/tree-ssa.texi (Alias analysis): ...here.
5551 2006-11-07 Richard Guenther <rguenther@suse.de>
5553 PR tree-optimization/29610
5554 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5555 of tree_purge_dead_eh_edges as it may free dominators.
5557 * g++.dg/other/pr29610.C: New testcase.
5559 2006-11-07 David Ung <davidu@mips.com>
5561 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5562 costs when optimizing for size.
5563 (override_options): Use mips_rtx_cost_optimize_size table for cost
5566 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5568 * gcc.c (process_command): Treat -b as normal switch if its argument
5571 2006-11-07 David Ung <davidu@mips.com>
5573 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5576 2006-11-06 Eric Christopher <echristo@apple.com>
5578 * config.gcc: Add x86_64-darwin host support.
5579 * config.host: Ditto.
5580 * config/i386/darwin64.h: New file.
5581 * config/i386/t-darwin64: Ditto.
5583 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5585 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5586 and output-exists-not.
5588 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5591 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5592 checking for overflow.
5594 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5596 * configure.ac: Fixed typo in case statement: :: changed to ;;
5598 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5600 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5601 count_leading_zeros, and count_trailing_zeros.
5602 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5603 (TARGET_FOLD_BUILTIN): Define.
5604 (TARGET_EXPAND_BUILTIN): Define.
5605 (xtensa_init_builtins): New.
5606 (xtensa_fold_builtin): New.
5607 (xtensa_expand_builtin): New.
5608 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5609 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5610 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5611 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5612 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5613 (any_extend): New code macro.
5614 (u, su): New code attributes.
5615 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5616 (nsau): Remove; replaced by clzsi2.
5617 (ffssi2): Use clzsi2.
5618 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5619 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5620 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5621 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5622 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5624 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5626 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5628 * config/arm/t-strongarm-elf: Likewise.
5629 * config/arm/t-pe: Likewise.
5630 * config/arm/t-arm-elf: Likewise.
5631 * config/arm/t-xscale-elf: Likewise.
5632 * config/arm/t-arm-coff: Likewise.
5633 * config/arm/t-xscale-coff: Likewise.
5634 * config/arm/t-wince-pe: Likewise.
5636 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5638 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5641 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5644 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5647 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5650 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5651 as a valid 80387 constant.
5652 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5653 * config/i386/i386.md (unnamed splitter): Split the load of
5654 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5657 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5659 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5660 from the soft-frame, argument and virtual registers.
5662 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5664 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5665 patterns for standard 80387 constants.
5667 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5668 Steven Bosscher <steven@gcc.gnu.org>
5670 * fwprop.c: New file.
5671 * Makefile.in: Add fwprop.o.
5672 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5673 * passes.c (init_optimization_passes): Schedule forward propagation.
5674 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5676 * timevar.def (TV_FWPROP): New.
5677 * common.opt (-fforward-propagate): New.
5678 * opts.c (decode_options): Enable forward propagation at -O2.
5679 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5680 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5681 canon_for_address, table_size): Remove.
5682 (new_basic_block, insert, remove_from_table): Remove references to
5684 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5685 simplification loop more straightforward by not calling fold_rtx
5687 (equiv_constant): Move here a small part of fold_rtx_subreg,
5688 do not call fold_rtx. Call avoid_constant_pool_reference
5690 * recog.h (canonicalize_change_group): New.
5692 * doc/invoke.texi (Optimization Options): Document fwprop.
5693 * doc/passes.texi (RTL passes): Document fwprop.
5695 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5697 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5698 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5699 (grokdeclarator): Likewise.
5701 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5703 * tree-dump.c (dump_enable_all): Rename local variable
5704 ir_type to avoid name conflicts.
5705 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5706 instead of using ir_type().
5707 * profile.c (tree_register_profile_hooks): Likewise.
5708 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5709 * basic-block.h (struct edge_def): Likewise.
5710 * config/arm/arm.c (legitimize_pic_address): Likewise.
5711 * coretypes.h (ir_type): New enum of all intermediate languages
5713 * cfghooks.c (ir_type): Rename to...
5714 (current_ir_type): ...this. Distinguish between cfgrtl and
5715 cfglayout mode when the current IR is RTL. Return enum ir_type.
5716 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5718 2006-11-03 Paul Brook <paul@codesourcery.com>
5720 * config/arm/arm.c (arm_file_start): New function.
5721 (TARGET_ASM_FILE_START): Define.
5722 (arm_default_cpu): New variable.
5723 (arm_override_options): Set arm_default_cpu.
5725 2006-11-03 David Ung <davidu@mips.com>
5727 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5728 PROCESSOR_24KC and PROCESSOR_24KF.
5729 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5730 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5731 (mips_rtx_cost_data): Add costs for the 24kc.
5732 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5733 * config/mips/24k.md: Remove references to 24k and replace with
5734 uses of 24kc/24kf in the appropriate reservations.
5735 * doc/invoke.texi (MIPS Options): Updated.
5737 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5739 * config/sh/crt1.asm: Fix #ifdef indent.
5741 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5742 Merged from STMicroelectronics sources:
5743 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5744 * config/sh/crt1.asm (vbr_600): Add missing #if.
5745 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5746 * sh.opt (mfused-madd): New option.
5747 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5748 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5749 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5750 Remove pointless handler at VBR+0.
5751 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5752 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5753 fr7. Make sure the timer handler is called with the correct FPU
5754 precision setting, according to the ABI.
5755 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5756 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5757 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5758 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5759 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5760 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5761 zero as second operand.
5762 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5763 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5764 Fixed some bugs related to negative values, in particular -0
5765 and overflow at -0x80000000.
5766 * config/sh/divcost-analysis: Added sh4-300 figures.
5767 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5768 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5769 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5770 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5771 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5772 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5774 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5776 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5777 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5778 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5779 mac_mem, mem_mac, dfp_mul, fp_cmp.
5780 (insn_class, dfp_comp, any_fp_comp): Update.
5781 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5782 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5783 (muldf3_i): Likewise.
5784 (movsi_i): Split rI08 alternative into two separate alternatives.
5786 (movsi_ie, movsi_i_lowpart): Likewise.
5787 (movqi_i): Split ri alternative into two separate alternatives.
5789 * sh1.md (sh1_load_store, sh1_fp): Update.
5790 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5791 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5792 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5793 (sh4a_fp_double_arith): Likewise.
5794 * sh4-300.md: New file.
5795 * sh.c (sh_handle_option): Handle m4-300* options.
5796 (sh_adjust_cost): Fix latency of auto-increments.
5797 Handle SH4-300 differently than other SH4s. Check for new insn types.
5798 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5799 been set by an option.
5800 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5801 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5802 (mbranch-cost=): Likewise.
5803 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5805 * sh.md (mulsf3): Remove special expansion code.
5806 (mulsf3_ie): Now a define_insn_and_split.
5807 (macsf3): Allow for TARGET_SH4.
5809 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5810 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5811 (expand_cbranchdi4): Likewise.
5812 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5813 CONST_DOUBLE if the outer code is COMPARE.
5814 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5815 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5816 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5817 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5818 Remove redundant fp_{zero,one}_operand checks.
5819 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5820 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5821 (expand_cbranchdi4): Likewise.
5822 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5823 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5825 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5827 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5830 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5832 * doc/invoke.texi: Fix mfp-trap-mode typo.
5834 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5836 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5837 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5838 file_end_indicate_exec_stack.
5839 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5841 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5842 for a non-executable stack.
5843 * crti.asm: Likewise.
5844 * crtn.asm: Likewise.
5845 * libunwind.S: Likewise.
5847 2006-11-02 Ben Elliston <bje@au.ibm.com>
5849 * tree-ssa.c (warn_uninit): Use expand_location variables for
5850 locus and declaration locus.
5852 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5855 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5856 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5857 cmp{eq,gt,gtu}{si,di}_media.
5858 (*cmpne0si_media): Remove.
5859 (*movsicc_umin): Adjust gen_cmp*_media call.
5860 (unordered): Change the mode of unordered and operands[1] to
5862 (seq): Adjust gen_cmp*_media calls. Make the mode of
5863 a temporary result of compare SImode if needed. If the mode
5864 of operands[0] is DImode, extend the temporary result to DImode.
5865 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5866 (sunorderd): Change the mode of match_operand and unorderd to
5868 (cmpeq{sf,df}_media): Remove.
5869 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5870 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5871 and compare operation to SImode.
5873 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5875 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5877 (sparc64-sun-solaris2*): Likewise.
5879 2006-11-02 Paul Brook <paul@codesourcery.com>
5881 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5882 from priority argument. Use different section for non-default
5884 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5886 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5889 * except.c (switch_to_exception_section): Do not cache the section
5890 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5891 and flag_function_sections is set.
5893 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5896 * builtins.c (do_mpfr_sincos): New.
5897 (fold_builtin_1): Use it to fold builtin sincos.
5899 2006-11-01 Roger Sayle <roger@eyesopen.com>
5901 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5902 it into -D_REENTRANT.
5904 2006-11-01 Roger Sayle <roger@eyesopen.com>
5906 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5907 whether the assembler supports taking the difference of symbols in
5908 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5909 * configure: Regenerate.
5910 * config.in: Regenerate.
5911 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5912 the assembler doesn't support taking the difference of symbols in
5913 different sections, i.e. we're using the native solaris assembler.
5915 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5916 Peter Bergner <bergner@vnet.ibm.com>
5918 * doc/invoke.texi: Add cpu_type power6x
5919 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5920 * config.gcc: Add cpu_type power6x.
5921 * configure.ac: Add test for mf{t,f}gpr instructions.
5922 (HAVE_AS_MFPGPR): New.
5923 * config.in: Regenerate.
5924 * configure: Regenerate.
5925 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5926 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5927 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5928 and mftgpr attributes.
5929 (define_attr "cpu"): Add power6.
5930 Change instruction sequences to use new attributes.
5931 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5932 (fix_truncdfsi2_mfpgpr): New.
5933 (floatsidf_ppc64_mfpgpr): New.
5934 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5935 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5936 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5937 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5938 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5939 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5940 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5941 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5942 cntlz,exts and var_delayed_compare.
5943 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5944 _ARCH_PWR6X, if features enabled.
5945 * config/rs6000/rs6000.opt (mmfpgpr): New.
5946 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5947 (cached_can_issue_more): New variable.
5948 (processor_costs): Add power6_cost.
5949 (rs6000_sched_init): New function.
5950 (is_dispatch_slot_restricted): Deleted.
5951 (set_to_load_agen): New function.
5952 (is_load_insn,is_store_insn): New functions.
5953 (adjacent_mem_locations): New function.
5954 (insn_must_be_first_in_group): New function.
5955 (insn_must_be_last_in_group): New function.
5956 (rs6000_sched_reorder): New function.
5957 (rs6000_sched_reorder2): New function.
5958 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5959 TARGET_SCHED_REORDER2): Define.
5960 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5961 Add power6x. Add MASK_MFPGPR for power6x.
5962 (POWERPC_MASKS): Add MASK_MFPGPR.
5963 (rs6000_override_options): Set rs6000_always_hint to false
5964 for power6. Set rs6000_align_branch_targets. Replace
5965 rs6000_sched_groups check with rs6000_align_branch_targets.
5966 Use PROCESSOR_POWER6.
5967 (last_scheduled_insn): New variable.
5968 (load_store_pendulum): New variable.
5969 (rs6000_variable_issue): Set last_scheduled_insn and
5970 cached_can_issue_more.
5971 (rs6000_adjust_cost): Add power6 cost adjustments.
5972 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5973 with insn_must_be_first_in_group. Add power6 priority adjustments.
5974 (rs6000_issue_rate): Add CPU_POWER6.
5975 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5976 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5977 (TARGET_MFPGPR): New.
5978 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5979 (ASM_CPU_SPEC): Add power6x.
5980 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5982 * config/rs6000/power6.md: New file.
5984 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5986 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5987 HOST_WIDE_INT_PRINT to print high and low parts. Use
5988 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5989 printing a hexadecimal number prefix it with 0x.
5991 2006-11-01 Chris Johns <chris@contemporary.net.au>
5994 * Makefile.in (install-driver): Use exeext when installing
5995 $target-gcc-$version.
5997 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5999 * c-common.c (flag_cpp0x): New.
6000 * c-common.h (flag_cpp0x): New.
6001 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6002 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6003 * c-opts.c (set_std_cxx0x): New.
6004 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6005 * c.opt (std=c++0x): Document.
6006 (std=gnu++0x): Ditto.
6007 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6008 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6010 2006-11-01 Richard Guenther <rguenther@suse.de>
6012 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6014 (ix86_expand_floorceildf_32): Likewise.
6015 (ix86_expand_floorceil): Likewise.
6016 (ix86_expand_trunc): Likewise.
6018 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6020 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6023 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6025 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6027 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6029 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6031 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6032 * configure.ac (use_cxa_atexit): As a special case, don't test
6033 for libc definition of __cxa_atexit on mingw32
6034 * configure: Regenerate.
6035 * config.gcc (i[34567]86-pc-mingw32): Default to
6036 enable__cxa_atexit=yes.
6038 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6040 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6042 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6045 * c-decl.c (start_struct): Don't create self-containing
6047 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6049 * config/rs6000/rs6000-protos.h
6050 (darwin_rs6000_special_round_type_align): New.
6051 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6052 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6054 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6056 * toplev.c (compile_file): Call final_write_globals
6057 even if there have been errors.
6059 2006-10-31 Eric Christopher <echristo@apple.com>
6060 Falk Hueffner <falk@debian.org>
6062 * doc/extend.texi (__builtin_bswap32): Document.
6063 (__builtin_bswap64): Ditto.
6064 * doc/libgcc.texi (bswapsi2): Document.
6066 * doc/rtl.texi (bswap): Document.
6067 * optabs.c (expand_unop): Don't widen a bswap.
6068 (init_optabs): Init bswap. Set libfuncs explicitly
6069 for bswapsi2 and bswapdi2.
6070 * optabs.h (OTI_bswap): New.
6071 (bswap_optab): Ditto.
6072 * genopinit.c (optabs): Handle bswap_optab.
6073 * tree.h (tree_index): Add TI_UINT32_TYPE and
6075 (uint32_type_node): New.
6076 (uint64_type_node): Ditto.
6077 * tree.c (build_common_tree_nodes_2): Initialize
6078 uint32_type_node and uint64_type_node.
6079 * builtins.c (expand_builtin_bswap): New.
6080 (expand_builtin): Call.
6081 (fold_builtin_bswap): New.
6082 (fold_builtin_1): Call.
6083 * fold-const.c (tree_expr_nonnegative_p): Return true
6085 * builtin-types.def (BT_UINT32): New.
6087 (BT_FN_UINT32_UINT32): Ditto.
6088 (BT_FN_UINT64_UINT64): Ditto.
6089 * builtins.def (BUILT_IN_BSWAP32): New.
6090 (BUILT_IN_BSWAP64): Ditto.
6091 * rtl.def (BSWAP): New.
6092 * genattrtab.c (check_attr_value): New.
6093 * libgcc2.c (__bswapSI2): New.
6094 (__bswapDI2): Ditto.
6095 * libgcc2.h (__bswapSI2): Declare.
6096 (__bswapDI2): Ditto.
6097 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6098 * simplify-rtx.c (simplify_const_unary_operation): Return
6100 * libgcc-std.ver (__bwapsi2): Add.
6101 (__bswapdi2): Ditto.
6102 * reload1.c (eliminate_regs_1): Add bswap.
6103 (elimination_effects): Ditto.
6104 * config/i386/i386.h (x86_bswap): New.
6105 (TARGET_BSWAP): Use.
6106 * config/i386/i386.c (x86_bswap): Set.
6108 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6110 * coverage.c (coverage_checksum_string): Update comment.
6111 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6112 of get_file_function_name.
6113 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6114 of get_file_function_name_long.
6115 * tree.c (get_file_function_name): Rename from
6116 get_file_function_name_long; improve comment; handle 'I' and 'D'
6117 specially when the target has ctor/dtor support; remove special
6119 (get_file_function_name): Remove.
6120 * tree.h (get_file_function_name): Rename from
6121 get_file_function_name_long.
6122 (get_file_function_name): Remove prototype.
6124 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6126 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6127 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6129 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6130 Call dsymutil when compiling and linking one or more source files
6133 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6136 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6138 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6140 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6141 inline static functions in c99 mode.
6144 * doc/extend.texi (Inline): Update.
6145 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6146 * c-decl.c (current_extern_inline): Delete.
6147 (pop_scope): Adjust test for an undefined nested function.
6148 Add warning about undeclared inline function.
6149 (diagnose_mismatched_decls): Update comments. Disallow overriding
6150 of inline functions in a translation unit in C99. Allow inline
6151 declarations in C99 at any time.
6152 (merge_decls): Boolize variables. Handle C99 'extern inline'
6154 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6155 C99 inline semantics.
6156 (start_function): Don't clear current_extern_inline. Don't set
6158 (c_push_function_context): Don't push current_extern_inline.
6159 (c_pop_function_context): Don't restore current_extern_inline.
6162 * c-typeck.c (build_external_ref): Warn about static variables
6163 used in extern inline functions.
6164 * c-decl.c (start_decl): Warn about static variables declared
6165 in extern inline functions.
6167 2006-10-31 Roger Sayle <roger@eyesopen.com>
6170 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6171 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6172 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6173 or y is an even integer.
6175 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6178 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6179 * gthr-posix95.h (__gthread_active_p): Likewise.
6181 2006-10-31 Richard Guenther <rguenther@suse.de>
6183 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6184 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6185 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6186 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6187 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6188 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6189 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6190 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6193 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6195 * opts.c (decode_options): Disable CSE skip blocks.
6197 2006-10-30 Dirk Mueller <dmueller@suse.de>
6199 * c-common.h (strict_aliasing_warning): Fix whitespace.
6200 * c-decl (start_function): Move code for main decl warning ..
6201 * c-common.c (check_main_parameter_types): .. here.
6202 * c-common.h (check_main_parameter_types): Declare.
6204 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6207 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6209 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6211 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6212 be a PARALLEL containing sets. Return false when out_pat is not
6215 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6217 * config/mips/mips.md (mul<mode>3): Split into...
6218 (mulsi3, muldi3): ...these separate patterns.
6220 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6222 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6223 but with each set of options separated by spaces.
6225 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6227 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6228 dwarf_reg_size_table has been initialized.
6230 2006-10-30 Roger Sayle <roger@eyesopen.com>
6232 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6233 * ddg.c (print_ddg_edge): Likewise.
6234 * dwarf2out.c (prune_unused_types_walk): Likewise.
6235 * ifcvt.c (noce_try_cmove_arith): Likewise.
6236 * langhooks.c (add_builtin_function): Likewise.
6237 * reg-stack.c (subst_stack_regs_pat): Likewise.
6238 * tree.c (expanded_location): Likewise.
6239 * tree-dump.c (dequeue_and_dump): Likewise.
6241 2006-10-30 David Daney <ddaney@avtrex.com>
6243 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6245 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6247 PR tree-optimization/29637
6248 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6249 of the innertype is the innertype itself.
6251 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6253 * dwarf2out.c (file_name_acquire): Correct typo.
6255 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6257 * tree.h (tree_value_handle): Remove struct value_set declaration.
6258 Change value_set to bitmap_set.
6259 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6260 * tree-vn.c (get_value_handle): Made inline and moved to
6262 * tree-flow-inline.h: (has_stmt_ann): New function.
6263 * tree-ssa-pre.c (expressions): New variable.
6264 (next_expression_id): Ditto.
6265 (alloc_expression_id): New function.
6266 (struct value_set): Remove.
6267 (get_expression_id): New function.
6268 (get_or_alloc_expression_id): Ditto.
6269 (expression_for_id): Ditto.
6270 (clear_expression_ids): Ditto.
6271 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6272 (bb_value_sets): Renamed to bb_bitmap_sets.
6273 All value sets replaced with bitmap_sets.
6275 (BB_VISITED): New macro.
6276 (postorder): New variable.
6277 (add_to_value): Removed.
6278 (value_exists_in_set_bitmap): Ditto.
6279 (value_insert_into_set_bitmap): Ditto.
6282 (set_remove): Ditto.
6283 (set_contains_value): Ditto.
6284 (insert_into_set): Ditto.
6286 (find_leader): Ditto.
6287 (bitmap_set_subtract_from_value_set): Ditto.
6288 (value_insert_into_set): Ditto.
6289 (print_value_set): Ditto.
6290 (debug_value_set): Ditto.
6291 (constant_expr_p): New function.
6292 (bitmap_remove_from_set): Ditto.
6293 (bitmap_insert_into_set): Ditto.
6294 (bitmap_set_free): Ditto.
6295 (vh_compare): Ditto.
6296 (sorted_array_from_bitmap_set): Ditto.
6297 (bitmap_set_subtract): Ditto.
6298 (bitmap_set_equal): Ditto.
6299 (debug_bitmap_set): Ditto.
6300 (find_leader_in_sets): Ditto.
6301 (bitmap_set_replace_value): Modify for bitmapped sets.
6302 (phi_translate): Ditto.
6303 (phi_translate_set): Ditto.
6304 (bitmap_find_leader): Ditto.
6305 (valid_in_sets): Ditto.
6306 (union_contains_value): Ditto.
6308 (compute_antic_aux): Ditto. Mark changed blocks.
6309 (compute_antic): Ditto. Iterate in postorder and only over
6311 (compute_rvuse_and_antic_safe): Reuse postorder.
6312 (create_component_ref_by_pieces): Modify for bitmapped sets.
6313 (find_or_generate_expression): Ditto.
6314 (create_expression_by_pieces): Ditto.
6315 (insert_into_preds_of_block): Ditto.
6316 (changed_blocks): New variable.
6317 (do_regular_insertion): Broken out from insert_aux.
6318 (insert_aux): Modified for bitmapped sets.
6319 (find_existing_value_expr): New function.
6320 (create_value_expr_from): Use it.
6321 (insert_extra_phis): Removed.
6322 (print_bitmap_set): Renamed from bitmap_print_value_set.
6323 (compute_avail): Handle RETURN_EXPR.
6324 (init_pre): Modify for bitmapped sets.
6325 * tree-flow.h (has_stmt_ann): New function.
6327 2006-10-29 Roger Sayle <roger@eyesopen.com>
6329 * builtins.c (fold_builtin_floor): Check for the availability of
6330 the C99 trunc function before transforming floor into trunc.
6332 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6334 * builtins.c (fold_builtin_hypot): Rearrange recursive
6335 transformation before others, and also do ABS_EXPR. When
6336 necessary, check flag_unsafe_math_optimizations. When necessary,
6339 2006-10-29 Roger Sayle <roger@eyesopen.com>
6341 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6342 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6343 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6344 Fold -X eq/ne -Y as X eq/ne Y.
6346 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6348 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6349 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6350 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6351 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6352 Use an inclusive test for "mult" rather than "mul".
6353 (rotr<mode>3): Depend on ISA_HAS_ROR.
6354 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6356 (GENERATE_MULT3_DI): Delete.
6357 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6358 (ISA_HAS_MUL3): New macro.
6359 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6360 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6361 (ISA_HAS_CLZ_CLO): Likewise.
6362 (ISA_HAS_DCLZ_DCLO): Delete.
6363 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6364 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6365 the VR4120 and VR4130.
6366 (ISA_HAS_MACCHI): Use consistent formatting.
6367 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6368 (ISA_HAS_ROR): ...this new macro.
6369 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6370 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6371 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6373 2006-10-29 Roger Sayle <roger@eyesopen.com>
6375 PR tree-optimization/15458
6376 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6379 2006-10-29 Richard Guenther <rguenther@suse.de>
6381 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6382 (ix86_expand_truncdf_32): Likewise.
6383 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6384 trunc inline for SSE math and -fno-trapping-math and if not
6385 optimizing for size.
6386 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6387 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6388 for expanding btrunc inline for SSE math.
6390 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6392 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6393 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6394 i[34567]86-*-solaris2.1[0-9]*.
6395 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6396 Define conditionally depending on TARGET_64BIT_DEFAULT.
6397 (SPEC_32, SPEC_64): Define.
6398 (LINK_SPEC): Use them.
6399 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6401 2006-10-29 Richard Guenther <rguenther@suse.de>
6403 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6404 (ix86_expand_rounddf_32): Likewise.
6405 * config/i386/i386.c (ix86_expand_round): New function expanding
6406 round inline for SSE math and -fno-trapping-math and if not
6407 optimizing for size.
6408 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6409 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6410 round via ix86_expand_round.
6412 2006-10-29 Richard Guenther <rguenther@suse.de>
6414 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6415 (ix86_expand_floorceildf_32): Likewise.
6416 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6417 static helper function.
6418 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6420 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6421 * config/i386/i386.md (floordf2): Adjust to enable floor
6422 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6423 -fno-trapping-math is enabled and if not optimizing for size.
6424 (floorsf2, ceildf2, ceilsf2): Likewise.
6425 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6426 (sse2_maskcmpdf3): Likewise.
6428 2006-10-29 Richard Guenther <rguenther@suse.de>
6430 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6431 rint in case -fno-trapping-math is enabled.
6432 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6433 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6434 (ix86_expand_sse_fabs): Likewise.
6435 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6436 * config/i386/i386.md (rintdf2): Enable for SSE math if
6437 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6438 (rintsf2): Likewise.
6440 2006-10-29 Richard Guenther <rguenther@suse.de>
6442 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6443 to conversion optabs.
6444 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6445 as conversion optab.
6446 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6447 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6448 (lfloor_optab, lceil_optab): Adjust defines.
6449 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6450 lfloor and lceil optabs now being conversion optabs.
6451 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6452 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6453 New static helper function.
6454 (ix86_expand_lfloorceil): New function to expand lfloor and
6456 * config/i386/i386.md (lfloor<mode>2): Split into ...
6457 (lfloorxf<mode>2): ... x87 variant
6458 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6459 using ix86_expand_lfloorceil.
6460 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6462 * doc/md.texi (lfloorMN, lceilMN): Document.
6464 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6466 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6467 -mno-shared assembler option on mips targets.
6468 * configure, config.in: Regenerate.
6469 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6470 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6471 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6473 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6475 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6476 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6478 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6480 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6481 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6484 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6487 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6488 (fold_builtin_pow): Evaluate constant arguments at compile-time
6490 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6491 (do_mpfr_ckconv): New helper function.
6492 (do_mpfr_arg1): Use do_mpfr_ckconv.
6493 (do_mpfr_arg2): New.
6495 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6498 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6499 (-fdump-rtl-sched): Rename to ..
6500 (-fdump-rtl-sched1): here. Also fix file extension number.
6502 2006-10-28 Richard Guenther <rguenther@suse.de>
6504 * fold-const.c (maybe_canonicalize_comparison): Fix code
6507 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6509 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6510 (NON_QI_REG_P): Use IN_RANGE.
6511 (REX_INT_REGNO_P): Use IN_RANGE.
6512 (FP_REGNO_P): Use IN_RANGE.
6513 (SSE_REGNO_P): Use IN_RANGE.
6514 (REX_SSE_REGNO_P): Use IN_RANGE.
6515 (MMX_REGNO_P): Use IN_RANGE.
6516 (STACK_REGNO_P): New macro.
6517 (STACK_REG_P): Use STACK_REGNO_P.
6518 (NON_STACK_REG_P): Use STACK_REGNO_P.
6519 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6520 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6521 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6522 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6523 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6525 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6527 * except.h (output_function_exception_table): Add 'const char*' param.
6528 * except.c (switch_to_exception_section): Add 'const char*' param.
6529 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6530 and flag_function_sections is set, use a function-specific section.
6531 (output_function_exception_table): Add 'const char*' param.
6532 Adjust call to switch_to_exception_section.
6533 * final.c (rest_of_handle_final): Adjust calls to
6534 output_function_exception_table.
6535 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6536 * config.in: Regenerate.
6537 * configure: Likewise.
6539 2006-10-28 Richard Guenther <rguenther@suse.de>
6542 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6543 for maybe_canonicalize_comparison.
6544 (maybe_canonicalize_comparison): New function for canonicalizing
6546 (fold_comparison): Call it to canonicalize comparisons with
6549 2006-10-28 Richard Guenther <rguenther@suse.de>
6552 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6553 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6554 (expand_builtin): Adjust likewise.
6555 * genopinit.c (optabs[]): Add lround optab.
6556 * optabs.c (init_optabs): Initialize lround_optab.
6557 * optabs.h (enum convert_optab_index): Add COI_lround.
6558 (lround_optab): Define.
6559 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6560 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6562 (ix86_expand_lround): New function.
6563 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6565 * doc/md.texi (lroundMN2): Document.
6567 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6570 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6571 argument to HOST_WIDE_INT. Update function prototype.
6572 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6573 "size" argument to HOST_WIDE_INT. Update function prototype.
6575 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6577 * config/i386/i386.c (output_387_ffreep): Create output from a
6578 template string for !HAVE_AS_IX86_FFREEP.
6580 2006-10-27 Eric Christopher <echristo@apple.com>
6582 * config/darwin.c: Fix formatting and grammar.
6584 2006-10-27 Jan Hubicka <jh@suse.cz>
6586 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6587 to be thrown away soon when IGNORE is set.
6588 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6589 indicating when return value shall not be computed.
6590 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6592 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6594 * config/i386/i386.h (TARGET_GEODE):
6595 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6596 (TARGET_CPU_DEFAULT_geode): New macro.
6597 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6598 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6599 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6600 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6601 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6603 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6604 (processor_type): Add PROCESSOR_GEODE.
6606 * config/i386/i386.md: Include geode.md.
6609 * config/i386/i386.c (geode_cost): New initialized global
6611 (m_GEODE, m_K6_GEODE): New macros.
6612 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6613 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6614 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6615 x86_schedule): Use m_K6_GEODE instead of m_K6.
6616 (x86_movx, x86_cmove): Set up m_GEODE.
6617 (x86_integer_DFmode_moves): Clear m_GEODE.
6618 (processor_target_table): Add entry for geode.
6619 (processor_alias_table): Ditto.
6621 * config/i386/geode.md: New file.
6623 * doc/invoke.texi: Add entry about geode processor.
6625 2006-10-27 Mike Stump <mrs@apple.com>
6627 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6628 __DYNAMIC__ from here back to ...
6629 * config/darwin.h (CPP_SPEC): ... here.
6631 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6632 Nathan Sidwell <nathan@codesourcery.com>
6634 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6635 when choosing the minimum heapsize.
6637 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6639 * gcc/unwind-dw2.h: Move cfa-related variables into
6640 struct frame_state_reg_info to ensure that the CFA is properly
6641 handled when executing DW_CFA_{remember,restore}_state.
6642 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6643 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6644 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6645 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6646 gcc/config/rs6000/linux-unwind.h,
6647 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6648 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6649 Modify to use new cfa_* fields.
6651 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6653 * config/s390/s390.c (s390_init_frame_layout): Check positive
6656 2006-10-26 Ben Elliston <bje@au.ibm.com>
6658 * gimplify.c (get_name): Remove extraneous break.
6659 (gimplify_omp_for): Initialise ret with GS_OK.
6661 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6663 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6664 Add unix98.o to link line.
6666 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6669 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6670 Calculate compile-time constants using MPFR.
6671 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6672 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6674 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6676 * config/xtensa/lib2funcs.S: Use C-style comments.
6678 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6680 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6681 (file_table_relative_p): Likewise.
6682 (dwarf2out_finish): Likewise.
6683 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6685 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6687 * tree-ssa-structalias.c (intra_create_variable_infos):
6688 Don't recreate nonlocal_all if it already exists.
6690 2006-10-25 Richard Guenther <rguenther@suse.de>
6693 * optabs.h (enum optab_index): Remove OTI_lrint.
6694 (enum convert_optab_index): Add COI_lrint.
6695 (lrint_optab): Adjust.
6696 (expand_sfix_optab): Declare.
6697 * optabs.c (expand_sfix_optab): New function.
6698 (init_optabs): Init lrint_optab as conversion optab.
6699 * genopinit.c (lrint_optab): Change to a conversion optab.
6700 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6701 expansion via conversion optab.
6702 * config/i386/i386.md (*fistdi2_1): Remove
6703 flag_unsafe_math_optimizations guard.
6704 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6705 fist<mode>2_with_temp): Likewise.
6706 (lrint<mode>2): Split into...
6707 (lrintxf<mode>2): ... x87 part
6708 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6709 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6710 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6711 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6712 * doc/md.texi (lrintMN2): Document.
6714 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6717 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6718 Use inc and dec instructions for TARGET_USE_INCDEC.
6719 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6720 ("sync_double_compare_and_swap<mode>"): Likewise.
6721 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6722 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6723 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6724 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6725 ("sync_old_add<mode>"): Likewise.
6726 ("sync_lock_test_and_set<mode>"): Likewise.
6727 ("sync_lock_test_and_set<mode>"): Likewise.
6728 ("sync_add<mode>"): Likewise.
6729 ("sync_sub<mode>"): Likewise.
6730 ("sync_ior<mode>"): Likewise.
6731 ("sync_and<mode>"): Likewise.
6732 ("sync_xor<mode>"): Likewise.
6734 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6736 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6737 (remainder_optab): Define corresponding macro.
6738 (drem_optab): Remove.
6739 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6740 drem_optab initialization.
6741 * genopinit.c (optabs): Implement remainder_optab using
6742 remainder?f3 patterns. Remove drem_optab.
6743 * builtins.c (expand_builtin_mathfn_2): Handle
6744 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6745 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6746 expand_builtin_mathfn_2.
6748 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6749 depend on flag_unsafe_math_optimizations.
6751 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6752 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6753 Do not depend on flag_unsafe_math_optimizations. Use
6754 truncxf?f expander instead of truncxf?f_i387_noop.
6756 ("fpremxf4", "fprem1xf4"): Do not depend on
6757 flag_unsafe_math_optimizations.
6758 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6759 flag_unsafe_math_optimizations. Use truncxf?f expander
6760 instead of truncxf?f_i387_noop.
6762 * doc/md.texi (fmod, remainder): Document standard named pattern.
6764 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6765 David Daney <ddaney@avtrex.com>
6768 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6770 2006-10-25 Ben Elliston <bje@au.ibm.com>
6772 * doc/extend.texi (Variable Attributes): Typo fix.
6774 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6776 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6777 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6778 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6779 (FRAME_POINTER_REGNUM): Update register number to 21.
6780 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6781 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6783 * config/i386/i386.c (regclass_map): Add fpcr entry.
6784 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6786 (print_reg): Assert REGNO (x) != FPCR_REG.
6788 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6789 (DIRFLAG_REG): Renumber.
6790 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6791 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6792 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6793 hardcoded SSE register numbers.
6795 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6796 hardcoded MMX register numbers.
6798 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6801 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6802 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6804 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6805 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6806 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6807 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6809 2006-10-24 Richard Guenther <rguenther@suse.de>
6812 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6813 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6814 for deciding optimizations in consistency with fold-const.c
6815 (fold_builtin_unordered_cmp): Likewise.
6817 2006-10-24 Richard Guenther <rguenther@suse.de>
6819 * builtins.c (fold_builtin_floor): Fold floor (x) where
6820 x is nonnegative to trunc (x).
6821 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6822 nonnegative to FIX_TRUNC_EXPR.
6824 2006-10-24 Richard Guenther <rguenther@suse.de>
6826 PR tree-optimization/29567
6827 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6828 for TRUTH_NOT_EXPR. Clarify comments.
6830 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6833 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6834 at compile-time using MPFR. Change parameter VALUE to FUNC,
6836 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6837 for overflow and underflow at all times and avoid folding in
6840 2006-10-24 Ben Elliston <bje@au.ibm.com>
6842 * reload1.c: Formatting fixes.
6844 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6846 PR tree-optimization/14784
6847 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6848 * tree-ssa-structalias.c (get_constraint_for,
6849 intra_create_variable_infos): Set is_heapvar.
6850 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6851 non-heapvar pointer variables specially.
6853 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6856 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6857 fold_builtin_tan): Fold all constant arguments. Take a "type"
6858 argument as necessary.
6859 (do_mpfr_arg1): New.
6860 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6862 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6864 * config/xtensa/lib1funcs.asm: Use C-style comments.
6866 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6868 * tree.c (local_define_builtin): Replace calls to
6869 lang_hooks.builtin_function with add_builtin_function.
6870 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6872 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6874 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6875 common code to add_builtin_function.
6876 * langhooks.c (add_builtin_function): New function.
6877 (lhd_builtin_function): New function.
6878 * langhooks.h (struct lang_hooks): Change the signature of
6880 (add_builtin_function): New function.
6881 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6882 calls to lang_hooks.builtin_function with add_builtin_function.
6883 * c-common.c (decl_builtin_1): Replace calls to
6884 lang_hooks.builtin_function with add_builtin_function.
6885 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6886 lang_hooks.builtin_function with add_builtin_function.
6887 * config/frv/frv.c (def_builtin): Replace calls to
6888 lang_hooks.builtin_function with add_builtin_function.
6889 * config/s390/s390.c (s390_init_builtins): Replace calls to
6890 lang_hooks.builtin_function with add_builtin_function.
6891 * config/sparc/sparc.c (def_builtin): Replace calls to
6892 lang_hooks.builtin_function with add_builtin_function.
6893 * config/i386/i386.c (def_builtin): Replace calls to
6894 lang_hooks.builtin_function with add_builtin_function.
6895 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6896 lang_hooks.builtin_function with add_builtin_function.
6897 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6898 lang_hooks.builtin_function with add_builtin_function.
6899 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6900 Replace calls to lang_hooks.builtin_function with
6901 add_builtin_function.
6902 * config/iq2000/iq2000.c (def_builtin):
6903 Replace calls to lang_hooks.builtin_function with
6904 add_builtin_function.
6905 * config/ia64/ia64.c (def_builtin): Replace calls to
6906 lang_hooks.builtin_function with add_builtin_function.
6907 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6908 lang_hooks.builtin_function with add_builtin_function.
6909 (altivec_init_builtins): Replace calls to
6910 lang_hooks.builtin_function with add_builtin_function.
6911 * config/arm/arm.c (def_mbuiltin): Replace calls to
6912 lang_hooks.builtin_function with add_builtin_function.
6913 (arm_init_tls_builtins): Replace calls to
6914 lang_hooks.builtin_function with add_builtin_function.
6915 * config/mips/mips.c (mips_init_builtins): Replace calls to
6916 lang_hooks.builtin_function with add_builtin_function.
6917 * config/bfin/bfin.c (def_builtin): Replace calls to
6918 lang_hooks.builtin_function with add_builtin_function.
6919 * langhooks-def.h (lhd_builtin_function): New function.
6920 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6922 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6924 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6925 BUILT_IN_STRNCAT_CHK.
6927 2006-10-23 Jan Hubicka <jh@suse.cz>
6929 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6930 don't do conversion from memmove to memcpy here.
6931 (expand_builtin_bcopy, expand_builtin): Update call of
6932 expand_builtin_memmove.
6933 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6935 2006-10-23 Paul Brook <paul@codesourcery.com>
6937 * stor-layout.c (start_record_layout): maximum_field_alignment
6938 overrides STRUCTURE_SIZE_BOUNDARY.
6940 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6942 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6943 nonlocal function symbols if flag_pic.
6945 2006-10-23 Richard Guenther <rguenther@suse.de>
6949 * builtins.c (fold_binary): Remove checks for flag_wrapv
6950 and flag_trapv where negate_expr_p covers these cases.
6952 2006-10-23 Richard Guenther <rguenther@suse.de>
6955 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6956 of two on the absolute value.
6957 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6958 and negating -C does not overflow.
6960 2006-10-23 Richard Guenther <rguenther@suse.de>
6963 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6964 only if not flag_rounding_math.
6966 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6967 Kaz Kojima <kkojima@gcc.gnu.org>
6970 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6971 SImode memory reference for the source of a movua.
6972 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6973 (movua): Use an unspec instead of sign_extract. Expect the source
6974 to have mode BLKmode.
6975 (extv, insv): Use a BLKmode rather than SImode memory reference
6976 for the source of a movua.
6978 2006-10-22 Jeff Law <law@redhat.com>
6979 Richard Guenther <rguenther@suse.de>
6981 PR tree-optimization/15911
6982 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6983 (register_edge_assert_for_1): Likewise.
6984 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6985 (find_conditional_asserts): Adjust for new function signature.
6986 (find_assert_locations): Likewise.
6988 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6990 * config/i386/tmmintrin.h: Remove the duplicated content.
6992 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6994 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6995 (x86_64-*-*): Likewise.
6997 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6998 (override_options): Check SSSE3.
6999 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7000 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7001 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7002 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7003 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7004 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7005 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7006 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7007 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7008 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7009 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7010 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7011 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7012 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7013 IX86_BUILTIN_PABSD128.
7014 (bdesc_2arg): Add SSSE3.
7015 (bdesc_1arg): Likewise.
7016 (ix86_init_mmx_sse_builtins): Support SSSE3.
7017 (ix86_expand_builtin): Likewise.
7018 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7020 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7021 (UNSPEC_PSIGN): Likewise.
7022 (UNSPEC_PALIGNR): Likewise.
7023 Include mmx.md before sse.md.
7025 * config/i386/i386.opt: Add -mssse3.
7027 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7028 (ssse3_phaddwv4hi3): Likewise.
7029 (ssse3_phadddv4si3): Likewise.
7030 (ssse3_phadddv2si3): Likewise.
7031 (ssse3_phaddswv8hi3): Likewise.
7032 (ssse3_phaddswv4hi3): Likewise.
7033 (ssse3_phsubwv8hi3): Likewise.
7034 (ssse3_phsubwv4hi3): Likewise.
7035 (ssse3_phsubdv4si3): Likewise.
7036 (ssse3_phsubdv2si3): Likewise.
7037 (ssse3_phsubswv8hi3): Likewise.
7038 (ssse3_phsubswv4hi3): Likewise.
7039 (ssse3_pmaddubswv8hi3): Likewise.
7040 (ssse3_pmaddubswv4hi3): Likewise.
7041 (ssse3_pmulhrswv8hi3): Likewise.
7042 (ssse3_pmulhrswv4hi3): Likewise.
7043 (ssse3_pshufbv16qi3): Likewise.
7044 (ssse3_pshufbv8qi3): Likewise.
7045 (ssse3_psign<mode>3): Likewise.
7046 (ssse3_psign<mode>3): Likewise.
7047 (ssse3_palignrti): Likewise.
7048 (ssse3_palignrdi): Likewise.
7049 (abs<mode>2): Likewise.
7050 (abs<mode>2): Likewise.
7052 * config/i386/tmmintrin.h: New file.
7054 * doc/extend.texi: Document SSSE3 built-in functions.
7056 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7058 2006-10-22 Ira Rosen <irar@il.ibm.com>
7060 * tree-vect-transform.c (vectorizable_load): Use the type of the
7061 return value of the mask_for_load builtin to create realign_load
7064 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7066 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7069 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7071 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7072 (UNSPEC_LDDQU): This.
7073 * config/i386/sse.md (sse3_lddqu): Updated.
7075 2006-10-21 Richard Guenther <rguenther@suse.de>
7077 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7078 (expand_builtin): Use it to expand lrint instead of
7079 expand_builtin_mathfn.
7081 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7084 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7085 flag_unsafe_math_optimizations is set.
7087 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7090 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7091 patterns to use memory input operand in x87->mem->XMM
7092 reload sequences. Skip transformation for TARGET_K8.
7094 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7096 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7097 force operand1 to register if both operands are memory operands.
7098 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7099 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7100 if both operands are memory operands.
7101 (truncdfsf2): Do not force operand1 to register if both operands
7102 are memory operands.
7104 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7106 * Makefile.in (LIBS): Add $(GMPLIBS).
7107 * doc/install.texi: Update GMP and MPFR requirements.
7108 * doc/sourcebuild.texi (need_gmp): Delete.
7110 2006-10-21 Richard Guenther <rguenther@suse.de>
7112 PR tree-optimization/3511
7113 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7114 got new invariant arguments during PHI translation.
7116 2006-10-21 Richard Guenther <rguenther@suse.de>
7119 * fold-const.c (fold_comparison): Fold signed comparisons
7120 of the form X +- C1 CMP Y +- C2.
7122 2006-10-21 Richard Guenther <rguenther@suse.de>
7125 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7126 if flag_unsafe_math_optimizations is specified. We have
7127 flag_finite_math_only for that.
7128 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7129 or flag_unsafe_math_optimizations.
7131 2006-10-21 Richard Guenther <rguenther@suse.de>
7133 * builtins.c (fold_builtin_classify): Fix typo.
7135 2006-10-21 Richard Guenther <rguenther@suse.de>
7138 * simplify-rtx.c (simplify_const_relational_operation):
7139 Do not constant-fold ORDERED and UNORDERED for
7140 flag_unsafe_math_optimizations but only we do not need to
7141 honor NaNs for the given mode.
7143 2006-10-21 Richard Guenther <rguenther@suse.de>
7146 * config/i386/i386.c (classify_argument): Remove redundant
7147 walking of the BINFOs.
7148 (contains_128bit_aligned_vector_p): Likewise.
7150 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7152 * BASE-VER: Set to 4.3.0.
7154 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7156 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7157 (tree_decl_with_vis): Remove artificial_pta_var flag.
7158 * tree-flow.h (referenced_var_check_and_insert): Expose.
7159 (nonlocal_all): New prototype.
7160 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7161 (nonlocal_all): Make global.
7162 (nonlocal_lookup): Remove.
7163 (nonlocal_insert): Ditto.
7164 (create_nonlocal_var): Do not call nonlocal_insert.
7165 (get_nonlocal_id_for_type): Remove.
7166 (find_global_initializers): Mark new vars we find for renaming.
7167 (intra_create_variable_infos): Only create one nonlocal.
7168 (expand_nonlocal_solutions): Remove.
7169 (compute_points_to_sets): Don't call it.
7170 (ipa_pta_execute): Ditto.
7171 (init_alias_heapvars): Don't create nonlocal_for_type.
7172 (delete_alias_heapvars): Don't remove it.
7173 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7176 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7178 * doc/install.texi (Downloading GCC): Clarify mention of
7179 Fortran in the "full distribution" description.
7181 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7183 Fix PR tree-optimization/28778
7184 Fix PR tree-optimization/29156
7185 Fix PR tree-optimization/29415
7186 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7187 (tree_decl_with_vis): Add artificial_pta_var flag.
7188 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7189 pushed into callers.
7190 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7191 (nonlocal_all): Ditto.
7192 (struct variable_info): Add directly_dereferenced member.
7193 (var_escaped_vars): New variable.
7194 (escaped_vars_tree): Ditto.
7195 (escaped_vars_id): Ditto.
7196 (nonlocal_vars_id): Ditto.
7197 (new_var_info): Set directly_dereferenced.
7198 (graph_size): New variable
7199 (build_constraint_graph): Use graph_size.
7200 (solve_graph): Don't process constraints that cannot change the
7201 solution, don't try to propagate an empty solution to our
7203 (process_constraint): Set directly_dereferenced.
7204 (could_have_pointers): New function.
7205 (get_constraint_for_component_ref): Don't process STRING_CST.
7206 (nonlocal_lookup): New function.
7207 (nonlocal_insert): Ditto.
7208 (create_nonlocal_var): Ditto.
7209 (get_nonlocal_id_for_type): Ditto.
7210 (get_constraint_for): Allow results vector to be empty in the case
7211 of string constants.
7212 Handle results of calls properly.
7213 (update_alias_info): Update alias info stats on number and type of
7215 (find_func_aliases): Use could_have_pointers.
7216 (make_constraint_from_escaped): Renamed from
7217 make_constraint_to_anything, and changed to make constraints from
7219 (make_constraint_to_escaped): New function.
7220 (find_global_initializers): Ditto.
7221 (create_variable_info_for): Make constraint from escaped to any
7222 global variable, and from any global variable to the set of
7224 (intra_create_variable_infos): Deal with escaped instead of
7225 pointing to anything.
7226 (set_uids_in_ptset): Do type pruning on directly dereferenced
7228 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7229 (init_base_vars): Fix comment, and initialize escaped_vars.
7230 (need_to_solve): Removed.
7231 (find_escape_constraints): New function.
7232 (expand_nonlocal_solutions): Ditto.
7233 (compute_points_to_sets): Call find_escape_constraints and
7234 expand_nonlocal_solutions.
7235 (delete_points_to_sets): Don't fall off the end of the graph.
7236 (init_alias_heapvars): Initialize nonlocal_for_type and
7238 (delete_alias_heapvars): Free nonlocal_for_type and null out
7241 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7243 * fold-const.c (add_double): Rename to add_double_with_sign.
7244 Add 'unsigned_p' parameter and take it into account for the overflow.
7245 (mul_double): Rename to mul_double_with_sign.
7246 Add 'unsigned_p' parameter and take it into account for the overflow.
7247 (fold_div_compare): Call add_double_with_sign instead of add_double
7248 and mul_double_with_sign instead of mul_double, passing them the
7249 unsignedness of the type.
7250 * tree.h (add_double): Macroize.
7251 (add_double_with_sign): New prototype.
7252 (mul_double): Macroize.
7253 (mul_double_with_sign): New prototype.
7255 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7257 * config/score/crti.asm: New file.
7258 * config/score/crtn.asm: New file.
7259 * config/score/elf.h: New file.
7260 * config/score/mac.md: New file.
7261 * config/score/misc.md: New file.
7262 * config/score/mul-div.S: New file.
7263 * config/score/predicates.md: New file.
7264 * config/score/score7.md: New file.
7265 * config/score/score.c: New file.
7266 * config/score/score-conv.h: New file.
7267 * config/score/score.h: New file.
7268 * config/score/score.md: New file.
7269 * config/score/score-mdaux.c: New file.
7270 * config/score/score-mdaux.h: New file.
7271 * config/score/score-modes.def: New file.
7272 * config/score/score.opt: New file.
7273 * config/score/score-protos.h: New file.
7274 * config/score/score-version.h: New file.
7275 * config/score/t-score-elf: New file.
7276 * config.gcc: Add score*-*-* configurations(Update before).
7277 * doc/invoke.texi (Score Options): New section.
7278 * doc/md.texi (Score family): New section to document constraints.
7280 2006-10-19 Nick Clifton <nickc@redhat.com>
7282 * config/arm/arm.c: Fix spelling typo.
7284 2006-10-18 Tom Tromey <tromey@redhat.com>
7286 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7288 2006-10-18 Jan Hubicka <jh@suse.cz>
7291 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7294 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7296 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7297 TSI_SAME_STMT, since that's the desired entity.
7299 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7301 * config/s390/contraints.md: New file.
7302 * config/s390/s390-protos.h (s390_mem_constraint,
7303 s390_O_constraint_str, s390_N_constraint_str,
7304 s390_float_const_zero_p): Function prototypes added.
7305 * config/s390/s390.c (s390_extra_constraint_str,
7306 s390_const_double_ok_for_constraint_p,
7307 s390_const_ok_for_constraint_p): Functions removed.
7308 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7309 s390_float_const_zero_p): New functions.
7310 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7311 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7312 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7313 Macro definitions removed.
7314 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7315 s390_extra_constraint_str): Functions removed.
7317 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7318 Richard Sandiford <richard@codesourcery.com>
7321 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7322 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7324 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7326 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7327 (DWARF2_FRAME_REG_OUT): Likewise.
7328 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7329 (DWARF2_FRAME_REG_OUT): Likewise.
7331 2006-10-17 Paul Brook <paul@codesourcery.com>
7333 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7335 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7337 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7338 Standardize on "GNU Fortran" as the official name of the Fortran
7341 2006-10-16 Mike Stump <mrs@apple.com>
7343 * doc/invoke.texi (Darwin Options): Document -mkernel.
7344 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7346 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7347 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7348 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7349 (OS_MISSING_ALTIVEC): Add.
7350 * config/i386/i386.c (override_options): Add
7351 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7352 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7353 -mkernel, -static or -mdynamic-no-pic is given.
7354 (C_COMMON_OVERRIDE_OPTIONS): Add.
7355 * config/darwin.opt (fapple-kext): Add.
7357 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7358 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7360 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7361 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7362 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7363 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7364 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7365 (flag_mkernel): Add.
7366 (flag_apple_kext): Add.
7367 (TARGET_KEXTABI): Add.
7368 * config/darwin.c (darwin_handle_kext_attribute): Add.
7369 (DARWIN_VTABLE_P): Add.
7370 (darwin_binds_local_p): Add partial support for rebinding vtables
7372 (darwin_kextabi_p): Add.
7373 (darwin_override_options): Add.
7374 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7375 (darwin_kextabi_p): Add.
7376 (darwin_override_options): Add.
7377 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7378 __DYNAMIC__ and __STATIC__ here.
7380 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7382 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7383 Added mention of "make pdf" target, and Texinfo requirements for
7386 2006-10-16 DJ Delorie <dj@redhat.com>
7388 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7389 into the GOT in case we need a subreg of the address.
7391 2006-10-16 Richard Guenther <rguenther@suse.de>
7394 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7395 SSE builtin documentation. Document SSE2 builtins.
7397 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7399 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7400 symbol in the output file for non-shared links when -nostdlib or
7401 -nodefaultlibs isn't specified.
7403 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7404 posix thread support.
7406 2006-10-15 Jan Hubicka <jh@suse.cz>
7409 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7410 declared always_inline even when not inlining.
7412 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7413 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7414 Andrew Pinski <pinskia@gmail.com>
7417 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7419 2006-10-15 Jan Hubicka <jh@suse.cz>
7420 Richard Guenther <rguenther@suse.de>
7423 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7424 process_function_and_variable_attributes on all variables, including
7425 those discovered during cgraph construction phase.
7427 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7429 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7431 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7433 * config/i386/athlon.md (athlon_fist): Add fisttp.
7435 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7436 Ian Lance Taylor <ian@airs.com>
7439 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7440 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7443 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7445 * config/score/score.c, config/score/score.h: Fix comment
7448 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7451 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7454 2006-10-13 Eric Christopher <echristo@apple.com>
7456 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7458 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7461 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7462 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7463 alignment supported by 32-bit ELF.
7465 2006-10-13 Eric Christopher <echristo@apple.com>
7467 * config/darwin.c (darwin_emit_unwind_label): Strip
7468 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7470 2006-10-13 Richard Guenther <rguenther@suse.de>
7472 PR tree-optimization/29446
7473 * tree-vrp.c (fix_equivalence_set): Remove.
7474 (extract_range_from_assert): Do not call fix_equivalence_set.
7475 (debug_value_range): Print a newline.
7476 (compare_name_with_value): For equivalence sets with
7477 inconsistent value ranges conservatively bail out.
7478 (compare_names): Likewise.
7480 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7482 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7483 and MPFR for gfortran.
7485 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7487 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7488 alignment supported by 32-bit ELF.
7490 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7494 * c-typeck.c (digest_init): Always allow initializing vectors
7495 that have static storage duration with compound literals.
7496 * tree.c (build_type_attribute_qual_variant): New, based on
7497 build_type_attribute_variant.
7498 (build_type_attribute_variant): Rewrite using the former.
7499 (make_vector_type): Use build_type_attribute_qual_variant to build
7500 type variants. Use type_hash_canon on the others.
7502 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7503 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7505 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7507 2006-10-12 Jan Hubicka <jh@suse.cz>
7510 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7511 current_function_decl is set but current_function_scope is not.
7513 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7515 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7516 emit_insn to emit eh_return_internal instruction.
7517 (eh_return_internal): Explicitly set pc.
7519 2006-10-11 Richard Guenther <rguenther@suse.de>
7521 PR tree-optimization/28230
7522 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7523 to the correct place.
7525 2006-10-11 Richard Guenther <rguenther@suse.de>
7528 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7531 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7533 * configure.ac: Added pdf to "Make-hooks"
7534 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7535 targets and *.pdf file patterns in cleanup targets.
7536 * configure: Regenerated.
7538 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7540 * config/avr/predicates.md: New file.
7541 * config/avr/avr.md: Include it.
7542 (REG_SP): New constant.
7543 (peepholes): Use predicates.
7544 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7545 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7546 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7548 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7550 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7553 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7556 * builtins.c (var_decl_component_p): New function.
7557 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7558 single entry optimization to variables and components thereof.
7560 2006-10-10 Richard Guenther <rguenther@suse.de>
7562 PR rtl-optimization/29323
7563 * except.c (set_nothrow_function_flags): For functions
7564 that do not bind local bail out early.
7566 2006-10-10 Ben Elliston <bje@au.ibm.com>
7568 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7571 2006-10-09 Richard Henderson <rth@redhat.com>
7573 Revert emutls patch.
7575 2006-10-09 Richard Guenther <rguenther@suse.de>
7578 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7581 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7584 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7585 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7586 * configure: Regenerate.
7587 * config.in: Regenerate.
7589 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7591 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7593 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7595 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7596 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7597 Remove stray newline.
7599 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7601 * config/mips/mips.c (mips_classify_symbol): Do not return
7602 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7603 (mips_in_small_data_p): Tweak comments.
7605 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7607 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7609 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7611 * gimplify.c, sched-int.h: Fix comment typos.
7613 * sched-int.h: Fix comment typos.
7615 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7617 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7619 * sched-ebb.c (begin_schedule_ready): Use them.
7620 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7621 add_to_speculative_block, create_check_block_twin, speculate_insn,
7622 fix_jump_move, move_block_after_check): Ditto.
7623 * sched-rgn.c (new_ready): Ditto.
7625 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7627 PR rtl-optimization/29128
7628 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7629 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7630 allow interblock movement of speculation checks.
7632 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7635 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7636 casted to integer type.
7637 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7638 if they are significantly more expensive than [reg + index] ones.
7640 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7642 PR tree-optimization/29330
7643 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7644 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7645 on newly allocated ddrs.
7646 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7647 to VEC (loop_p, heap) pointer.
7648 (compute_data_dependences_for_loop): Adjust caller.
7649 (free_dependence_relations): Free DDR_LOOP_NEST.
7651 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7652 free DEPENDENCE_RELATIONS and DATAREFS.
7655 * builtins.c (expand_builtin_sync_operation,
7656 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7657 Use convert_to_mode to handle promoted arguments.
7659 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7661 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7663 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7665 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7667 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7669 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7670 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7671 Use <modeconstraint> instead of "r" as operand 1 constraint.
7673 2006-10-06 Olivier Hainque <hainque@adacore.com>
7675 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7676 Don't recurse on the pointed-to type.
7677 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7678 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7679 types with components of variable size.
7681 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7683 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7685 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7687 PR tree-optimization/29290
7688 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7692 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7693 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7696 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7697 the number of vector elements fill the rest with zeros.
7699 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7701 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7702 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7705 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7707 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7708 unnamed pattern into subsi3. Use correct constraints/predicates.
7709 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7710 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7712 2006-10-05 Ira Rosen <irar@il.ibm.com>
7714 * doc/loop.texi: Add data references analysis description.
7716 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7718 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7720 2006-10-04 Richard Henderson <rth@redhat.com>
7721 Jakub Jelinek <jakub@redhat.com>
7723 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7724 * builtin-types.def (BT_WORD): Make unsigned.
7725 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7726 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7727 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7728 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7729 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7730 * cgraph.c (decide_is_variable_needed): Look at force_output.
7731 Recurse for emulated tls.
7732 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7733 checks redundant with decide_is_variable_needed.
7734 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7735 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7737 * expr.c (emutls_var_address): New.
7738 (expand_expr_real_1): Expand emulated tls.
7739 (expand_expr_addr_expr_1): Likewise.
7740 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7741 * output.h (emutls_finish): Declare.
7742 * toplev.c (compile_file): Call it.
7743 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7744 address before wrapping in CONST.
7745 * varasm.c (emutls_htab, emutls_object_type): New.
7746 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7747 (get_emutls_object_name, get_emutls_object_type): New.
7748 (get_emutls_init_templ_addr, emutls_decl): New.
7749 (emutls_common_1, emutls_finish): New.
7750 (assemble_variable): When emulating tls, swap decls; generate
7751 constructor for the emutls objects.
7752 (do_assemble_alias): When emulating tls, swap decl and target name.
7753 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7755 * emutls.c: New file.
7756 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7757 tls_object for real tls.
7759 2006-10-04 Zack Weinberg <zackw@panix.com>
7761 Fix bug in constraint-check generator, reported by Rask Ingemann
7763 * genpreds.c (add_constraint): Don't remove anything from the
7765 (write_tm_constrs_h): Detect whether "op" argument is used, and
7766 mark it ARG_UNUSED if it isn't.
7767 (write_insn_const_int_ok_for_constraint): Skip the part of the
7768 expression that would test whether "op" (which is not available
7769 here) is a CONST_INT.
7771 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7774 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7776 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7778 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7779 current Leopard versions.
7780 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7782 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7784 * doc/install.texi: Fix typos.
7786 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7788 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7789 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7790 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7792 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7794 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7795 arg to be struct mach_header_64* instead.
7797 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7800 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7801 side effects after the outer expression's post side effects.
7803 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7805 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7806 comments to reflect actual behavior and relationship between
7807 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7809 * doc/c-tree.texi (Working with declarations): Fix documentation
7810 of FIELD_DECL likewise.
7812 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7815 * doc/extend.texi: Add used variable attribute description.
7817 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7820 * c.opt (Woverride-init): New.
7821 * c-opts.c (c_common_post_options): Default warn_override_init to
7823 * c-typeck.c (add_pending_init, output_init_element): Warn for
7824 overriding initializers without side effects.
7825 * doc/invoke.texi (-Woverride-init): Document.
7828 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7830 PR rtl-optimization/28096
7831 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7832 assignment has already been used as a destination earlier in the block.
7834 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7836 * builtins.c (expand_builtin_setjmp): Delete.
7837 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7838 <BUILT_IN_SETJMP_SETUP>: New case.
7839 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7840 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7841 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7842 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7843 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7844 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7845 (lower_function_body): Initialize it to false. If it is set to true
7846 at the end of the processing, emit the setjmp dispatcher.
7847 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7848 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7849 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7850 on the rhs of the assignment.
7851 (lower_builtin_setjmp): New function.
7852 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7853 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7854 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7855 to detect calls that can go to non-local labels. Use specific
7856 helper to create the abnormal edges associated with them.
7857 <MODIFY_EXPR>: Likewise.
7858 (make_abnormal_goto_edges): New function extracted from...
7859 (make_goto_expr_edges): ...here. Call it for computed gotos.
7860 (simple_goto_p): Minor tweak.
7861 (tree_can_make_abnormal_goto): New predicate.
7862 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7863 (tree_purge_dead_abnormal_call_edges): New function.
7864 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7865 (tree_purge_dead_abnormal_call_edges): Likewise.
7866 (make_abnormal_goto_edges): Likewise.
7867 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7868 Purge all dead abnormal edges if the call was in the last statement.
7869 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7870 (execute_fixup_cfg): If there are non-local labels in the function,
7871 scan the basic blocks and split them at calls that can go to non-local
7872 labels or add missing abnormal call edges. Write down the CFG in the
7874 (pass_fixup_cfg): Remove TODO_dump_func flag.
7875 * unwind-sjlj.c: Poison setjmp.
7876 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7877 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7878 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7879 (DONT_USE_BUILTIN_SETJMP): Document it.
7881 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7884 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7885 to 1 when __ppc64__ is defined.
7886 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7888 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7890 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7892 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7893 * config/ia64/unwind-hpux.c: Delete.
7895 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7897 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7898 on the element before gimplifying it, instead of punting if it is of
7901 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7903 * doc/loop.texi: New file.
7904 * doc/gccint.texi: Reference loop.texi.
7905 * Makefile.in (loop.texi): Add.
7907 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7909 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7911 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7912 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7914 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7916 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7918 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7920 * doc/install.texi: Document required versions of GMP and MPFR.
7922 2006-09-27 Paul Brook <paul@codesourcery.com>
7925 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7927 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7929 * reload1.c (alter_reg): Require the alignment of the stack slot to
7930 be at least reg_max_ref_width bytes.
7931 (scan_paradoxical_subregs): Record the largest width in
7934 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7938 * tree-nested.c (struct nesting_info): Added static_chain_added.
7939 (convert_call_expr): Set static_chain_added when adding static
7940 chain. Handle OMP_PARALLEL and OMP_SECTION.
7942 2006-09-25 Matthias Klose <doko@debian.org>
7944 * doc/invoke.texi: Add missing full stop.
7946 2006-09-25 Richard Henderson <rth@redhat.com>
7948 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7949 before cgraph_function_flags_ready.
7951 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7952 Adam Nemet <anemet@caviumnetworks.com>
7954 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7955 determine_common_wider_type): New functions.
7956 (get_computation_aff): Use them to simplify arithmetic between
7957 UBASE and CBASE if they are shortened from the same type.
7959 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7962 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7963 -2147483647 - 1 instead of 0x80000000.
7965 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7967 * flags.h (HONOR_NANS): Fix typo in comment.
7969 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7971 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7973 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7977 * tree.c (merge_attributes, attribute_list_contained): If both
7978 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7980 * c-typeck.c (comptypes_internal): Don't consider aggregates
7981 in different TUs as compatible if there one set of attributes is
7982 not a subset of the other type's attributes.
7983 (composite_type): Try harder not to create a new aggregate type.
7985 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7987 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7988 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7989 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7990 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7991 than replicating condition above.
7992 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7994 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7995 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7996 the linker by default.
7998 2006-09-22 Mike Stump <mrs@apple.com>
8000 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8003 2006-09-22 Richard Guenther <rguenther@suse.de>
8006 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8007 sort of stack variables stable.
8009 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8012 * explow.c (force_reg): Set REG_POINTER flag according to
8015 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8017 PR tree-optimization/28888
8018 * tree-if-conv.c (combine_blocks): Rewritten.
8019 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8020 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8022 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8024 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8027 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8029 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8031 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8033 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8035 2006-09-21 Roger Sayle <roger@eyesopen.com>
8038 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8039 dw_fde_current_label, to be the start of the function, i.e. the same
8040 value as dw_fde_begin.
8042 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8044 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8045 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8046 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8047 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8048 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8049 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8050 (abs<mode>2, neg<mode>2): Likewise.
8051 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8052 (*mips_abs_ps): New define_insn.
8054 2006-09-20 Josh Conner <jconner@apple.com>
8057 * calls.c (expand_call): Allow reuse of structure return stack
8060 2006-09-20 Paul Brook <paul@codesourcery.com>
8062 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8065 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8067 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8068 clean up terminology.
8070 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8073 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8074 with tablejumps in them.
8076 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8079 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8080 wrap it into TARGET_EXPR.
8082 2006-09-20 Eric Christopher <echristo@apple.com>
8084 * config/i386/i386.c (x86_fisttp): Remove.
8085 * config/i386/i386.h (x86_fisttp): Ditto.
8086 (TARGET_FISTTP): Ditto.
8088 2006-09-19 Eric Christopher <echristo@apple.com>
8090 * doc/tm.texi (OBJC_JBLEN): Describe.
8091 * config/i386/darwin.h (OBJC_JBLEN): Define.
8092 * config/rs6000/darwin.h: Ditto.
8094 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8096 PR rtl-optimization/21299
8097 * reload1.c (reload): Purge invalid ASMs in the final pass.
8099 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8102 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8103 pointers as legitimate constants.
8105 2006-09-19 Paul Brook <paul@codesourcery.com>
8108 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8110 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8112 PR tree-optimization/28887
8113 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8114 component parts from the reference.
8115 (gather_memory_references_ref): Record the reference without the
8116 nonaddressable component parts.
8118 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8121 * c-opts.c (c_common_handle_option): Ignore the -std options
8122 if the input language is assembly.
8124 2006-09-17 Ira Rosen <irar@il.ibm.com>
8127 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8129 (ptr_ptr_may_alias_p): Likewise.
8130 (record_record_differ_p): New function.
8131 (base_object_differ_p): Call record_record_differ_p.
8133 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8136 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8137 away for the expr argument.
8139 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8142 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8143 before using it for dumping after vectorizing loops.
8145 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8146 Jack Howarth <howarth@bromo.med.uc.edu>
8149 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8150 skip on error_mark_node.
8151 (rs6000_darwin64_record_arg_recurse): Likewise.
8153 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8155 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8156 * doc/rtl.texi: Remove related documentation.
8158 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8160 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8163 2006-09-15 Jim Wilson <wilson@specifix.com>
8165 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8166 Handle symbol offsets same as they are handled in ia64_expand_move
8169 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8171 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8172 Add forgotten parameter to the fprintf call.
8174 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8176 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8178 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8180 * doc/contrib.texi: Add my entry.
8182 2006-09-15 Nick Clifton <nickc@redhat.com>
8184 * doc/md.texi (Processor pipeline description): Fix typo in
8185 example of how to use the absence_set directive and reword the
8186 description to make it slightly easier to read.
8188 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8190 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8191 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8192 expanding the number of iterations.
8193 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8195 * cfgrtl.c (emit_insn_at_entry): New function.
8196 * rtl.h (emit_insn_at_entry): Declare it.
8197 * integrate.c (emit_initial_value_sets): Use it.
8199 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8201 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8203 (struct loop_work and related VEC declarations): Delete.
8204 (bfin_dump_loops): Print out new member bad.
8205 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8206 (bfin_scan_loop): Don't recurse.
8207 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8208 loops. No longer need to update outer loops if the current one is
8209 found bad. Move some validitiy checks to bfin_discover_loop.
8210 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8211 but changed not to check for nesting. Also changed to use the new bad
8213 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8214 time. Use bitmap based test to discover loop nesting.
8216 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8218 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8221 2006-09-14 Richard Guenther <rguenther@suse.de>
8222 Kazu Hirata <kazu@codesourcery.com>
8224 PR middle-end/28884.
8225 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8226 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8227 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8228 with TARGET_FUNCTION_VALUE.
8230 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8233 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8235 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8237 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8240 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8243 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8246 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8248 * basic_block.h (bb_has_eh_pred): Fix comment.
8250 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8252 * flow.c (calculate_global_regs_live): Invalidate eh registers
8253 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8254 (propagate_block): Handle eh registers as if they were set at basic
8256 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8258 * global.c (global_conflicts): Make eh registers to conflict with
8259 pseudos live at basic block begin.
8260 * basic_block.h (bb_has_eh_pred): New function.
8262 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8264 PR rtl-optimization/28982
8265 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8266 index of a PRE_MODIFY or POST_MODIFY address.
8267 * reload1.c (inc_for_reload): Use find_replacement on the original
8268 base and index registers.
8270 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8272 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8273 for -Os. Update __m128 alignment requirement.
8275 2006-09-13 Jan Hubicka <jh@suse.cz>
8277 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8279 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8281 PR rtl-optimization/28243
8282 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8283 the insn to which the note was originally attached.
8285 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8286 Roger Sayle <roger@eyesopen.com>
8288 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8289 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8290 on platforms that don't use dwarf for debug info.
8292 2006-09-12 Jason Merrill <jason@redhat.com>
8295 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8296 hard_frame_pointer_rtx after using it to update the frame pointer.
8298 2006-09-12 Roger Sayle <roger@eyesopen.com>
8300 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8301 (TARGET_ASM_CLOSE_PAREN): Likewise.
8302 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8303 (TARGET_ASM_CLOSE_PAREN): Likewise.
8305 2006-09-12 Roger Sayle <roger@eyesopen.com>
8308 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8309 frame information for frames larger than 512 Kbytes on Tru64 when
8310 using the native assembler.
8312 2006-09-12 Roger Sayle <roger@eyesopen.com>
8316 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8317 and symbols. Instead use the implementation from cse.c's hash_rtx.
8319 2006-09-12 Jan Hubicka <jh@suse.cz>
8321 PR rtl-optimization/28071
8322 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8323 (vect_transform_loop): Likewise.
8324 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8325 (new_loop_vec_info): Likewise.
8326 (destroy_loop_vec_info): Likewise.
8327 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8328 (create_stmt_ann): Likewise.
8329 (create_tree_ann): Rename to ...
8330 (create_tree_common_ann): ... this one; allocate only the common part
8332 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8333 (get_value_handle): Likewise.
8334 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8335 get_tree_common_ann.
8336 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8337 (vinfo_for_stmt): Use stmt annotations.
8338 * tree-flow.h (tree_ann_common_t): New type.
8339 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8340 (tree_ann, get_tree_ann, create_tree_ann): New.
8341 * tree-flow-inline.h (get_function_ann): Do more type checking.
8342 (stmt_ann): Likewise.
8343 (tree_ann): Rename to ...
8344 (tree_common_ann): ... this one; return ony common_ann
8345 (get_tree_ann): Rename to ...
8346 (tree_common_ann): This one; return only common_ann.
8347 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8350 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8352 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8353 with_cpu by default.
8355 * dwarf2out.c (dwarf_file_data): New.
8356 (enum dw_val_class): Add dw_val_class_file.
8357 (struct dw_val_struct): Add val_file.
8358 (file_table): Change to a hash table.
8359 (file_table_emitted): Delete.
8360 (file_table_last_lookup_index): Delete.
8361 (emitcount): Delete.
8362 (last_emitted_file): New.
8363 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8364 (init_file_table): Delete.
8365 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8366 (AT_addr): Add comment.
8370 (print_die): Handle dw_val_class_file.
8371 (print_dwarf_line_table): Update for new file table structure.
8372 (attr_checksum): Do checksum a filename.
8373 (same_dw_val_p, same_attr_p): Do compare a filename.
8374 (size_of_die): Handle dw_val_class_file.
8375 (value_format): Likewise.
8376 (output_die): Likewise. Also, call maybe_emit_file here.
8377 (struct file_info): Constify filenames. Make file_idx a pointer
8378 to a struct dwarf_file_data.
8379 (struct dir_info): Constify directory names. Remove 'used' field.
8380 (struct file_name_acquire_data): New.
8381 (file_name_acquire): New.
8382 (output_file_names): Modify to handle new file data structures.
8383 (add_src_coords_attributes): Use add_AT_file.
8384 (add_call_src_coords_attributes): Likewise.
8385 (dwarf2out_imported_module_or_decl): Likewise.
8386 (gen_subprogram_die): Modify for new file data structures.
8387 (gen_variable_die): Likewise.
8388 (file_table_eq): New.
8389 (file_table_hash): New.
8390 (file_table_last_lookup): New.
8391 (lookup_filename): Rewrite to handle new file data structures.
8392 (maybe_emit_file): Rewrite to handle new file data structures.
8393 (dwarf2out_source_line): Always call lookup_filename and
8395 (dwarf2out_init): Create file_table here.
8396 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8397 (file_table_relative_p): New.
8398 (dwarf2out_finish): Change detection of relative filenames
8399 to work with new file data structures. Move output_line_info call
8400 after debug_info output.
8402 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8407 * config/i386/i386.c (override_options): Always default to 16
8408 byte stack boundary.
8410 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8413 * var-tracking.c (dump_dataflow_set): Start dumping at
8415 (clobber_variable_part): Kill only the variable part in
8416 registers holding it, leaving other variables alone.
8418 2006-09-11 Josh Triplett <josh@freedesktop.org>
8420 * doc/extend.texi (Other Builtins): Actually use the macro
8421 argument in the documentation example for
8422 __builtin_types_compatible_p.
8424 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8426 PR rtl-optimization/28726
8427 * sched-deps.c (sched_analyze_reg): New function extracted from...
8428 (sched_analyze_1): ...here. Call it to analyze references to
8429 registers. Treat again writes to a stack register as writing to the
8431 (sched_analyze_2): ...and here. Call it to analyze references to
8432 registers. Treat again reads of a stack register as reading the
8435 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8436 David Edelsohn <edelsohn@gnu.org>
8439 * config/rs6000/spe.md (frob_df_di): Remove %H.
8440 (frob_di_df): Remove %H. Change evmergelo to mr.
8441 (frob_di_df_2): Remove %H. Change evldd to two loads.
8443 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8445 * doc/cpp.texi: Fix names of charset options.
8447 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8450 * config/i386/i386.c (override_options): Use 128-bit
8451 stack boundary always for 64bits.
8453 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8455 PR rtl-optimization/28636
8456 * combine.c (force_to_mode): Test for side-effects before
8457 substituting by zero.
8458 (simplify_shift_const): Likewise for zero or other constants.
8460 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8463 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8466 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8469 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8470 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8471 returned by mode_for_size, rather than the mode of src itself,
8472 to choose between 32-bit and 64-bit patterns.
8473 (mips_mem_fits_mode_p): New function.
8474 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8475 that the size of the source matches the size of the destination.
8476 (mov_<store>l, mov_<store>r): Likewise.
8478 2006-09-10 Eric Christopher <echristo@apple.com>
8480 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8483 2006-09-09 Eric Christopher <echristo@apple.com>
8486 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8489 2006-09-09 Roger Sayle <roger@eyesopen.com>
8490 Nicolas Setton <setton@adacore.com>
8492 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8494 2006-09-10 Andreas Schwab <schwab@suse.de>
8496 * config/m68k/m68k.md (bungt_rev): New pattern.
8498 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8499 Dale Johannesen <dalej@apple.com>
8502 * regclass.c (struct reg_pref): Update documentation.
8503 (regclass): Set prefclass to NO_REGS if memory is the best option.
8504 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8506 2006-09-08 Eric Christopher <echristo@apple.com>
8508 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8509 * config/t-slibgcc-darwin: Support x86_64 multilib.
8510 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8511 Return 1 for x86_64-darwin.
8512 * config/i386/t-darwin: Add m64 multilib.
8513 (LIB2_SIDITI_CONV_FUNCS): Use.
8514 (LIB2FUNCS_EXTRA): Ditto.
8515 * config/i386/darwin.h: Support x86_64.
8516 * config/i386/i386.c (override_options): Turn on flag_pic
8517 for x86_64-darwin. Disable flag_omit_pointer.
8518 (get_pc_thunk_name): Assert !TARGET_64BIT.
8519 (legitimate_address_p): Disable machopic addressing for
8521 (legitimize_pic_address): Ditto.
8522 (ix86_expand_move): Ditto.
8523 (ix86_expand_call): Ditto.
8524 (machopic_output_stub): Ditto.
8525 * config/darwin.c (machopic_select_section): Support literal16.
8526 (machopic_select_rtx_section): Ditto.
8527 * config/darwin-sections.def: Ditto.
8528 * config/darwin-64.c: New.
8530 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8533 * c-tree.h (struct c_arg_info): Add pending_sizes.
8534 * c-parser.c (c_parser_parms_declarator,
8535 c_parser_parms_list_declarator): Initialize pending_sizes.
8536 * c-decl.c (get_parm_info): Initialize pending_sizes.
8537 (get_parm_info): Set pending_sizes.
8538 (grokdeclarator): Call put_pending_sizes for parameters for
8539 function definition only.
8541 2006-09-07 Jason Merrill <jason@redhat.com>
8544 * varasm.c (output_constant): Only strip actual no-op conversions.
8547 * config/i386/i386.c (override_options): Use 128-bit
8548 stack boundary if -msse.
8550 2006-09-07 Eric Christopher <echristo@apple.com>
8552 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8554 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8557 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8559 * dwarf2out.c: Remove strange characters from comment above
8560 dwarf2out_frame_debug_expr.
8562 2006-09-07 Eric Christopher <echristo@apple.com>
8564 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8565 * config/darwin.h: ... to here.
8567 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8569 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8571 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8572 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8574 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8575 TARGET_PARTIAL_FLAG_REG_STALL.
8576 (*ashldi3_cconly_rex64): Likewise.
8577 (*ashlsi3_cmp): Likewise.
8578 (*ashlsi3_cconly): Likewise.
8579 (*ashlsi3_cmp_zext): Likewise.
8580 (*ashlhi3_cmp): Likewise.
8581 (*ashlhi3_cconly): Likewise.
8582 (*ashlqi3_cmp): Likewise.
8583 (*ashlqi3_cconly): Likewise.
8584 (*ashrdi3_cmp_rex64): Likewise.
8585 (*ashrdi3_cconly_rex64): Likewise.
8586 (*ashrsi3_cmp): Likewise.
8587 (*ashrsi3_cconly): Likewise.
8588 (*ashrsi3_cmp_zext): Likewise.
8589 (*ashrhi3_cmp): Likewise.
8590 (*ashrhi3_cconly): Likewise.
8591 (*ashrqi3_cmp): Likewise.
8592 (*ashrqi3_cconly): Likewise.
8593 (*lshrdi3_cmp_rex64): Likewise.
8594 (*lshrdi3_cconly_rex64): Likewise.
8595 (*lshrsi3_cmp): Likewise.
8596 (*lshrsi3_cconly): Likewise.
8597 (*lshrsi3_cmp_zext): Likewise.
8598 (*lshrhi3_cmp): Likewise.
8599 (*lshrhi3_cconly): Likewise.
8600 (*lshrqi2_cmp): Likewise.
8601 (*lshrqi2_cconly): Likewise.
8603 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8606 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8607 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8608 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8609 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8610 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8611 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8612 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8613 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8614 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8615 implement only CC setting effects of shift instructions.
8617 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8619 * doc/contrib.texi: Add myself.
8621 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8624 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8625 was set by the user.
8627 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8630 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8631 (divsi_inv_m1): Use them.
8632 (UNSPEC_DIV_INV_TABLE): New constant.
8634 2006-09-06 James E Wilson <wilson@specifix.com>
8637 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8638 then call count_or_remove_death_notes.
8640 2006-09-06 Jason Merrill <jason@redhat.com>
8643 * tree-inline.c (copy_result_decl_to_var): New fn.
8644 (declare_return_variable): Use it. Call declare_inline_vars here.
8645 (expand_call_inline): Not here.
8647 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8649 * doc/contrib.texi: Update my entry.
8651 2006-09-06 Nick Clifton <nickc@redhat.com>
8653 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8655 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8658 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8659 (canonicalize_induction_variables): Likewise.
8660 (tree_unroll_loops_completely): Likewise.
8661 (tree_ssa_prefetch_arrays): Likewise.
8662 (remove_empty_loops): Likewise.
8663 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8664 TODO_cleanup_cfg instead of directly calling
8665 cleanup_tree_cfg_loop.
8666 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8668 (tree_unroll_loops_completely): Likewise.
8669 (remove_empty_loops): Likewise.
8670 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8671 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8672 of tree_ssa_unswitch_loops.
8673 (tree_ssa_loop_ivcanon): Use the return value of
8674 canonicalize_induction_variables.
8675 (tree_ssa_empty_loop): Use the return value of
8677 (tree_complete_unroll): Use the return value of
8678 tree_unroll_loops_completely.
8679 (tree_ssa_loop_prefetch): Use the return value of
8680 tree_ssa_prefetch_arrays.
8681 * passes.c (execute_todo): Before Cleanup CFG, set
8682 updating_used_alone and after cleanup CFG, call
8683 recalculate_used_alone.
8685 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8688 * tree-vect-transform.c (vectorizable_condition): Move the check
8689 for the type after the check for simple condition.
8691 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8692 Kaz Kojima <kkojima@gcc.gnu.org>
8695 * mode-switching.c (optimize_mode_switching): Make the destination
8696 block of an abnormal edge have no anticipatable mode. Don't
8697 insert mode switching code at the end of the source block of
8700 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8702 PR rtl-optimization/26847
8703 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8704 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8705 (simplify_plus_minus): Count n_constants while filling ops. Replace
8706 qsort with insertion sort. Before going through the array to simplify
8707 pairs, sort it. Delay early exit until after the first sort, exiting
8708 only if no swaps occurred. Simplify pairs in reversed order, without
8709 special-casing the first iteration. Pack ops after simplifying pairs.
8711 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8713 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8714 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8715 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8716 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8718 2006-09-05 Richard Guenther <rguenther@suse.de>
8720 PR tree-optimization/28900
8721 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8722 compound conditional before creating COND_EXPR condition.
8724 2006-09-05 Richard Guenther <rguenther@suse.de>
8726 PR tree-optimization/28905
8727 * tree-vrp.c (fix_equivalence_set): Manually implement
8728 !value_ranges_intersect_p to also handle symbolic ranges.
8730 2006-09-05 Richard Guenther <rguenther@suse.de>
8733 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8736 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8738 PR rtl-optimization/27616
8739 * cse.c (table_size): New static variable.
8740 (new_basic_block): Initialize it to 0.
8741 (remove_from_table): Decrement it.
8742 (insert): Increment it.
8743 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8744 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8745 fold_rtx_mem_1 if under the cap.
8746 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8747 the lookup of the equivalent expression and test for equality of the
8748 first operand of the equivalent expression before in turn looking up
8749 an equivalent constant for the second operand.
8751 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8754 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8755 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8756 pointer, instead of assuming it is possible to derive the
8757 correct args size from a call insn.
8759 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8762 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8763 (fold_builtin_mempcpy): Rename to...
8764 (fold_builtin_memory_op): ... this. Optimize one element copy
8766 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8768 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8769 (expand_builtin_memcpy, expand_builtin_mempcpy,
8770 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8771 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8772 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8773 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8775 2006-09-01 DJ Delorie <dj@redhat.com>
8777 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8778 (stzx_16): Likewise.
8779 ("stzx_24_<mode>"): Likewise.
8780 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8781 ("cmp<mode>_op"): New.
8782 (cmp<mode>): Change to expander; just save operands.
8784 (b<code>): Change to expander, emit compare here.
8785 (s<code>_op): Change to use split and expander.
8786 (s<code>_24_op): Likewise.
8787 (s<code>_<mode>): New.
8788 (s<code>_<mode>_24): New.
8789 (movqicc_<code>_<mode): New.
8790 (movhicc_<code>_<mode>): New.
8793 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8794 (m32c_pend_compare): New.
8795 (m32c_unpend_compare): New.
8796 (m32c_expand_scc): New.
8797 (m32c_expand_movcc): Emit the compare also.
8798 * config/m32c/predicates.md (mra_nopp_operand): New.
8800 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8801 Richard Guenther <rguenther@suse.de>
8802 Adam Nemet <anemet@caviumnetworks.com>
8805 * builtins.c (get_pointer_alignment): Handle more forms
8806 of base addresses that can be used to derive more precise
8807 information about alignment.
8809 2006-09-01 Jason Merrill <jason@redhat.com>
8812 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8815 * gimplify.c (voidify_wrapper_expr): Handle null type.
8817 2006-09-01 Josh Conner <jconner@apple.com>
8820 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8821 (execute_return_slot_opt): Use it.
8823 2006-08-31 Josh Conner <jconner@apple.com>
8826 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8827 returning aggregates.
8829 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8831 PR tree-optimization/28839
8832 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8833 blocks in that phi arguments appear.
8835 2006-08-31 Roger Sayle <roger@eyesopen.com>
8838 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8839 NULL, otherwise use an advance_loc4 to adjust relative to the
8841 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8842 (dwarf2out_switch_text_section): Reset the current label to avoid
8843 using advance_loc4 over section boundaries.
8845 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8848 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8849 r12 + SYMBOLIC_CONST.
8851 2006-08-30 Richard Guenther <rguenther@suse.de>
8853 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8855 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8857 PR rtl-optimization/27735
8858 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8859 Add new argument to keep track of whether an irreducible region
8860 was affected. All callers changed.
8861 (fix_irreducible_loops): Removed.
8862 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8863 flags were invalidated.
8865 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8867 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8868 instead of SF operands.
8869 (*fop_df_comm_sse): Likewise.
8870 (*fop_df_comm_i387): Likewise.
8871 (*fop_df_1_mixed): Likewise.
8872 (*fop_df_1_sse): Likewise.
8874 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8875 J"orn Rennecke <joern.rennecke@st.com>
8877 PR tree-optimization/17506
8878 * tree-ssa.c (warn_uninit): If warning about a location outside of
8879 the current function, note where the variable was declared.
8881 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8883 PR tree-optimization/28411
8884 * double-int.c (double_int_div): Use double_int_divmod.
8885 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8886 double_int_mod, double_int_smod, double_int_umod): New functions.
8887 * double-int.h (double_int_divmod, double_int_sdivmod,
8888 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8890 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8892 (get_computation_aff, get_computation_cost_at): Handle double_int
8893 return type of constant_multiple_of.
8895 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8898 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8899 an implicit conversion.
8901 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8903 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8905 2006-08-27 Roger Sayle <roger@eyesopen.com>
8907 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8910 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8912 * config/i386/crtfastmath.c: Fix a comment typo.
8914 2006-08-26 Roger Sayle <roger@eyesopen.com>
8916 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8917 temporary visit flags on CASE_LABEL_EXPRs.
8918 * c-common.c (match_case_to_enum): Add function comment. Avoid
8919 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8920 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8921 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8922 a constant, only warn if that constant value isn't handled.
8924 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8927 * input.h (restore_input_file_stack): Declare.
8928 (INPUT_FILE_STACK_BITS): Define.
8929 * toplev.c (fs_p, input_file_stack_history,
8930 input_file_stack_restored, restore_input_file_stack): New.
8931 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8932 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8933 (pop_srcloc): Don't free old state of stack.
8935 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8938 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8939 (PowerPC Type Attributes): New.
8941 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8943 * config/xtensa/xtensa.c (function_arg_boundary): New.
8944 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8946 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8947 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8949 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8952 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8955 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8957 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8958 (verify_local_live_at_start): Likewise.
8960 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8963 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8964 omp_add_variable): Treat sizes as variable whenever not
8967 2006-08-26 Richard Guenther <rguenther@suse.de>
8970 * fold-const.c (fold_binary): Fold temporary to correct
8971 type before constructing new comparison.
8973 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8976 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8977 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8979 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8982 * c-decl.c (start_function): Don't try to process prototype
8983 information from old declaration that isn't a function.
8985 2006-08-25 Jan Hubicka <jh@suse.cz>
8988 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8990 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8993 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8996 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8998 PR tree-optimization/16876
8999 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9000 exit if PARM doesn't match VALUE.
9002 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9004 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9005 literal_prefix directive.
9006 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9007 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9008 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9010 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9013 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9014 predicate to general_operand. Add 0->y and I->r alternatives.
9016 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9018 * doc/tm.texi: Fix a typo.
9019 * predict.c: Fix comment typos.
9021 2006-08-25 Nick Clifton <nickc@redhat.com>
9023 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9024 assertions of "cpu" and "machine".
9026 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9029 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9030 the access through a base which has an alias set of 0 cannot
9033 2006-08-24 Bill Wendling <wendling@apple.com>
9035 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9037 2006-08-24 Jan Hubicka <jh@suse.cz>
9039 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9041 2006-08-24 Jan Hubicka <jh@suse.cz>
9044 * cgraph.c: Fix comments.
9045 (cgraph_varpool_mark_needed_node): Mark only variables not already
9047 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9048 (cgraph_varpool_assembled_nodes_queue): New static variable.
9049 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9050 (cgraph_varpool_output_debug_info): New function.
9051 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9052 * Makefile.in: Add gt-cgraphunit.h
9054 2006-08-24 Jan Hubicka <jh@suse.cz>
9056 * predict.c (probability_reliable_p): New predicate.
9057 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9058 (predict_loops): Do not predict loop exit with less than 2%
9060 * basic-block.h (edge_probability_reliable_p,
9061 br_prob_note_reliable_p): Declare.
9062 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9063 prediction when static predictor is not reliable.
9064 * rs6000.c (output_cbranch): Likewise.
9066 2006-08-23 Stuart Hastings <stuart@apple.com>
9069 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9070 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9072 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9075 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9076 complex values, nor for generic vector values.
9078 2006-08-22 Richard Guenther <rguenther@suse.de>
9081 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9082 parameter. Convert arguments to arithmetic expression to the
9084 (analyze_scalar_evolution_1): Adjust caller.
9086 2006-08-22 Jan Hubicka <jh@suse.cz>
9088 Patch by Paolo Bonzini
9089 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9092 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9094 PR tree-optimization/28003
9095 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9096 before grouping aliases.
9098 2006-08-22 Roger Sayle <roger@eyesopen.com>
9100 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9101 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9103 2006-08-21 Jason Merrill <jason@redhat.com>
9106 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9107 wrapper. Loop to handle nested wrappers.
9108 (gimplify_bind_expr): Remove temp parameter.
9109 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9110 and STATEMENT_LIST on the rhs.
9111 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9112 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9113 (gimplify_target_expr): Remove special BIND_EXPR handling.
9115 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9117 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9120 2006-08-21 Olivier Hainque <hainque@adacore.com>
9122 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9123 Arrange for the temporary captures of components overlapping the lhs
9124 to happen before the lhs is possibly cleared.
9126 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9128 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9129 necessary places to pass the correct "number of registers" values
9132 2006-08-20 Jan Hubicka <jh@suse.cz>
9134 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9135 (create_name_tags): Instead of quadratic checking use hashtable.
9136 * bitmap.h: Include hashtab.h.
9137 (bitmap_hash): Declare.
9138 * bitmap.c (bitmap_hash): New function.
9140 2006-08-20 Jan Hubicka <jh@suse.cz>
9142 PR rtl-optimization/28071
9143 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9145 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9146 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9147 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9148 cgraph_decide_inlining_incrementally): Update use of
9149 cgraph_check_inline_limits.
9150 * cgraph.c (edge_hash, edge_eq): New function.
9151 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9152 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9153 cgraph_remove_node): Maintain call site hash.
9154 * cgraph.h (struct cgraph_node): Add call_site_hash.
9155 (cgraph_set_call_stmt): New function.
9157 2006-08-20 Jan Hubicka <jh@suse.cz>
9159 PR rtl-optimization/28071
9160 * reload1.c (reg_has_output_reload): Turn into regset.
9161 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9162 choose_reload_regs, emit_reload_insns): Update to new
9163 reg_has_output_reload.
9165 2006-08-20 Jan Hubicka <jh@suse.cz>
9168 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9169 function body sizes.
9170 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9172 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9175 * tree.c (handle_dll_attribute): Return early if not a
9176 var or function decl.
9178 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9181 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9182 alignment of SPE vector types.
9184 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9186 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9188 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9191 * cgraph.h (struct cgraph_node): Remove externally_visible
9193 * cgraphunit.c (process_function_and_variable_attributes): Set
9194 local.externally_visible rather than externally_visible.
9197 * c-common.c (handle_externally_visible_attribute): First look
9198 at TREE_CODE and only if it is function or var decl, check for
9199 non-public objects. Don't warn for DECL_EXTERNAL.
9200 * cgraphunit.c (process_function_and_variable_attributes): Warn
9201 if externally_visible attribute is used on non-public object.
9203 2006-08-17 Jan Hubicka <jh@suse.cz>
9205 PR tree-optimization/27865
9206 * reload1.c (forget_marked_reloads): New function.
9207 (forget_old_reloads_1): When data are passed, just mark the registers
9209 (reload_as_needed): Use the new mechanizm.
9211 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9214 * reload.h (reg_equiv_alt_mem_list): New declaration.
9215 * reload1.c (reg_equiv_alt_mem_list): New definition.
9216 (reload): Initialize it and release it.
9217 (delete_output_reload): Use it.
9218 * reload.c (push_reg_equiv_alt_mem): New function.
9219 (find_reloads_toplev): Call it.
9220 (find_reloads_address, find_reloads_address_1): Likewise.
9221 (find_reloads_subreg_address): Likewise.
9223 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9225 PR rtl-optimization/28489
9226 * sched-ebb.c (begin_schedule_ready): Create basic block
9228 (advance_target_bb): Skip empty blocks.
9229 * haifa-sched.c (bb_note): Make global.
9230 * sched-int.h (bb_note): Add prototype.
9232 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9234 PR tree-optimization/27865
9235 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9237 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9238 fold_used_pointer, pointer_used_p): New functions.
9239 (analyze_scalar_evolution_1): Use fold_used_pointer.
9240 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9241 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9244 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9247 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9248 or the INTEGER_CST. Fail on a CALL_EXPR.
9249 (fold_offsetof): Pass new argument to fold_offsetof_1.
9250 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9251 operand into an INDIRECT_REF.
9252 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9254 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9256 PR gcov/profile/26570
9257 * value-prof.c (static_values): Removed.
9258 (tree_find_values_to_profile): Do not set static_values.
9259 (find_values_to_profile): Do not free static_values.
9260 * profile.c (instrument_values): Do not free the values.
9261 (branch_prob): Free the values.
9263 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9265 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9267 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9270 * c-typeck.c (build_component_ref): Combine qualifiers of
9271 structure or union and field.
9273 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9275 PR rtl-optimization/28071
9276 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9277 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9278 * tree-into-ssa.c (struct dom_dfsnum): New.
9279 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9281 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9282 compute_global_livein.
9283 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9284 in phi nodes in the correct blocks.
9286 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9288 PR tree-optimization/28364
9289 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9291 (fold_affine_expr): New function.
9292 (may_eliminate_iv): Use fold_affine_expr.
9294 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9297 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9300 2006-08-16 Mike Stump <mrs@apple.com>
9302 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9303 * doc/cppopts.texi (-MD): Likewise.
9305 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9308 * c-common.c (handle_weak_attribute): Ignore and warn if
9309 not a FUNCTION_ or VAR_DECL.
9311 2006-07-15 Mike Stump <mrs@apple.com>
9314 * c-parser.c (c_parser_typeof_specifier): Don't use
9315 c_finish_expr_stmt, open code desired semantics instead.
9317 2006-08-15 Nick Clifton <nickc@redhat.com>
9319 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9320 fragment to tmake_file only if threads are enabled.
9321 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9322 * config/i386/t-gthr-win32: New file. ... here.
9324 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9327 * c-parser.c (c_parser_compound_statement_nostart): Reset
9328 parser->error after each statement.
9330 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9333 * omp-low.c (lower_omp_parallel): Convert t to
9334 receiver_decl's type.
9335 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9336 source before comparison.
9339 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9340 to itype in assignment to oldival2.
9342 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9346 * c-typeck.c (build_compound_expr): If the second expression
9347 is an error mark, then just return an error mark instead of
9348 creating a COMPOUND_EXPR.
9350 2006-07-14 Mike Stump <mrs@apple.com>
9352 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9354 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9356 * c-decl.c, var-tracking.c: Fix comment typos.
9358 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9360 PR rtl-optimization/28634
9361 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9362 for floating-point modes unless flag_unsafe_math_optimizations.
9364 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9365 Andrew Pinski <pinskia@physics.uc.edu>
9368 * tree.c (build_array_type): Unify array types with
9369 unspecified index_type.
9370 * c-decl.c (grokdeclarator): Make sure we do not modify a
9371 unified incomplete array type.
9372 * c-typeck.c (store_init_value): Create distinct type before
9373 filling in the index type in an initializer from a compound
9376 * c-decl.c (grokdeclarator): Remove code where we copy the
9379 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9381 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9382 into account for TODO_dump_cgraph.
9383 (TODO_update_ssa_no_phi): Likewise.
9384 (TODO_update_ssa_full_phi): Likewise.
9385 (TODO_update_ssa_only_virtuals): Likewise.
9386 (TODO_remove_unused_locals): Likewise.
9387 (TODO_set_props): Likewise.
9388 (TODO_update_stmt_usage): Likewise.
9390 2006-08-13 Dirk Mueller <dmueller@suse.de>
9392 * c-common.c (strict_aliasing_warning): Fix formatting.
9394 2006-08-13 Matthias Klose <doko@debian.org>
9396 * doc/invoke.texi: Fix spelling errors.
9398 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9400 PR rtl-optimization/23454
9401 * reorg.c (relax_delay_slots): Update comment.
9403 2006-08-11 Richard Guenther <rguenther@suse.de>
9406 * simplify-rtx.c (simplify_const_relational_operation):
9407 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9410 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9412 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9413 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9415 2006-08-10 Paul Brook <paul@codesourcery.com>
9417 * final.c (final_scan_insn): Clear current_insn_predicate before
9418 outputting inline asm.
9420 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9422 PR tree-optimization/26197
9423 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9424 get_ref_base_and_extent and overlap_subvar to add only relevant
9425 subvars as may-aliases.
9426 (add_may_alias_for_new_tag): New function, factored out of
9428 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9429 with additional argument.
9430 * tree-flow.h (new_type_alias): Takes additional argument.
9432 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9434 * gcov.c (no_data_file): New flag.
9435 (read_count_file): Set it if data file not present. Assume counts
9437 (output_lines): Don't name the data file, if there wasn't one.
9439 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9441 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9442 (rs6000_generate_compare): Tweak comments.
9443 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9445 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9447 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9448 (var_debug_decl): New function.
9449 (var_reg_set): Follow debug decl link. Add location even if
9450 reg is already known to hold some other variable.
9451 (var_mem_set): Follow debug decl link.
9452 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9453 decl link. Delete other known locations of the variable part
9455 (var_reg_delete, var_mem_delete): Delete other known locations
9456 of the variable part if requested.
9457 (same_variable_part_p): New function.
9458 (add_stores): Select MO_COPY when appropriate.
9459 (vt_initialize): Handle it.
9460 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9461 known locations for MO_SET and MO_CLOBBER.
9462 (find_variable_location_part): New function.
9463 (set_variable_part, delete_variable_part): Use it.
9464 (clobber_variable_part): New function.
9465 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9468 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9470 PR tree-optimization/26969
9471 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9472 with an empty list of PHIs.
9474 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9478 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9481 2006-08-06 Andreas Schwab <schwab@suse.de>
9483 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9484 string. Whitespace and comment fixup.
9486 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9489 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9493 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9496 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9498 2006-08-04 Jan Hubicka <jh@suse.cz>
9502 * reload.c (push_reload): Patch out the mismatching instruction;
9504 (find_reload): Bail out if the instruction was patched out.
9506 2006-08-04 Jan Hubicka <jh@suse.cz>
9508 PR tree-optimization/24888
9509 * tree-inline.c (expand_call_inline): Do not re-record variables.
9510 (declare_inline_vars): Add variable to unexpanded_var_list.
9512 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9513 Roger Sayle <roger@eyesopen.com>
9515 PR rtl-optimization/26244
9516 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9517 inner_const are negative or greater than or equal to the bitsize of
9518 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9519 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9520 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9521 CONST0_RTX (mode) when the new shift count is greater than or equal to
9522 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9525 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9527 * tree-cfg.c: Fix a comment typo.
9529 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9532 * varasm.c (output_constant): Give the front end another chance to
9533 expand constants, after stripping NOPs.
9535 2006-08-03 Jan Hubicka <jh@suse.cz>
9537 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9540 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9542 PR tree-optimization/27770
9543 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9544 declaration removed (moved to tree-flow.h).
9545 (vect_can_force_dr_alignment_p): Likewise.
9546 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9547 (moved from tree-vectorizer.h).
9548 (vect_can_force_dr_alignment_p): Likewise.
9549 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9550 from outside the vectorizer - in particular from cgraph stage.
9551 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9552 the alignment of global arrays when -fsection-anchors is enabled.
9553 * cgraphunit.c (cgraph_increase_alignment): New function.
9554 (cgraph_optimize): Call cgraph_increase_alignment.
9556 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9559 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9560 not reload a SPE symbol_ref into a lo_sum address.
9562 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9565 * dwarf2out.c (prune_unused_types_prune): Move call to
9566 prune_unused_types_update_strings to cover the parent DIE also.
9568 2006-08-02 Jan Hubicka <jh@suse.cz>
9570 PR gcov/profile/28480
9571 * tree-cfg.c (change_bb_for_stmt): New function.
9572 (tree_merge_blocks, tree_split_blocks): Use it.
9574 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9580 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9581 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9582 (cgraph_optimize): Likewise.
9584 2006-08-01 Stuart Hastings <stuart@apple.com>
9586 * rtl.h (UINTVAL) New.
9587 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9588 * testsuite/gcc.dg/20060801-1.c: New.
9590 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9593 * c-typeck.c (build_external_type): Mark used enum types.
9594 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9596 (gen_subprogram_die): Whitespace fix.
9598 2006-08-01 Jan Hubicka <jh@suse.cz>
9600 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9601 bitmap when not needed.
9602 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9605 2006-08-01 Dirk Mueller <dmueller@suse.de>
9607 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9609 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9611 * Makefile.in: Revert part of previous patch:
9612 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9615 2006-07-30 Eric Christopher <echristo@apple.com>
9618 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9619 (PowerPC Variable Attributes): New section.
9621 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9623 PR target/28126 (partial fix)
9624 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9626 2006-07-28 Jan Hubicka <jh@suse.cz>
9628 PR rtl-optimization/28071
9629 * cfgrtl.c (rtl_delete_block): Free regsets.
9630 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9632 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9634 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9635 and variables used in dependencies.
9637 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9639 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9640 %fs for -mcmodel=kernel.
9641 (stack_tls_protect_test_di): Likewise.
9643 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9645 * Makefile.in: Use mkinstalldirs.
9647 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9650 * opts-common.c (prune_options): Skip joined switches.
9652 2006-07-27 Jan Hubicka <jh@suse.cz>
9654 PR rtl-optimization/28071
9655 * cselib.c (cselib_process_insn): Don't remove useless values too
9656 often for very large hashtables.
9658 2006-07-27 Jan Hubicka <jh@suse.cz>
9660 PR rtl-optimization/28071
9661 * global.c (greg_obstack): New obstack.
9662 (allocate_bb_info): Use it.
9663 (free_bb_info): Likewise.
9664 (modify_reg_pav): Likewise.
9666 2006-07-27 Roger Sayle <roger@eyesopen.com>
9668 * builtins.c (fold_fixed_mathfn): When long and long long are the
9669 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9670 functions to their lceil*, lfloor*, lround* and lrint* forms.
9672 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9675 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9677 (rev_branch_insn): Likewise.
9679 2006-07-27 Jan Hubicka <jh@suse.cz>
9681 PR rtl-optimization/28071
9682 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9683 (reg_set_in_bb, max_reg_computed): New static variables.
9684 (regmove_optimize): Free the new array.
9685 (fixup_match_1): Update call of reg_is_remote_constant_p.
9687 2006-07-26 Jan Hubicka <jh@suse.cz>
9689 PR tree-optimization/27882
9690 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9692 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9694 (cgraph_analyze_compilation_unit): Likewise.
9695 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9696 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9697 (cgraph_early_inlinine): Make order garbage collected.
9698 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9700 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9702 * dbxout.c (output_types_sort): Add a comment.
9703 (output_used_types): Free the VEC.
9705 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9707 * function.c (reorder_fix_fragments): Delete.
9708 (reorder_blocks): Don't call it.
9709 (reorder_blocks_1): Put all subblocks under the origin block.
9711 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9713 PR rtl-optimization/27907
9714 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9717 2006-07-25 Roger Sayle <roger@eyesopen.com>
9720 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9721 bar(x) check that bar's result type can represent all the values of T.
9723 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9725 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9727 2006-07-25 Nick Clifton <nickc@redhat.com>
9729 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9730 size_lookup[] array.
9731 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9732 (ggc_pch_count_object): Likewise.
9733 (ggc_pch_alloc_object): Likewise.
9734 (ggc_pch_write_object): Likewise.
9735 (init_ggc): Do not attempt to initialize entries in the
9736 size_lookup[] array for objects whose size is greater than than
9737 the length of the array.
9739 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9741 * dbxout.c (output_used_types_helper): Push queued types
9743 (output_types_sort): New.
9744 (output_used_types): Collect used types on a VEC and sort them
9747 2006-07-24 Richard Guenther <rguenther@suse.de>
9750 * cgraph.c (cgraph_remove_node): Do not check if dumps
9752 * cgraphunit.c (cgraph_optimize): Likewise.
9754 2006-07-24 Jan Hubicka <jh@suse.cz>
9756 PR rtl-optimization/28071
9757 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9758 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9759 splitting before first stmt.
9761 2006-07-24 Jan Hubicka <jh@suse.cz>
9763 PR rtl-optimization/28071
9764 * ipa-inline.c (update_caller_keys): Remove edges that
9765 are no longer inline candidates.
9767 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9770 * dbxout.c (output_used_types_helper, output_used_types): New.
9771 (dbxout_symbol): Call output_used_types.
9773 2006-07-23 Jan Hubicka <jh@suse.cz>
9777 * cgraph.c (cgraph_varpool_nodes): Export.
9778 (decide_is_variable_needed): Ignored "used" attribute in
9779 unit-at-a-time mode.
9780 * cgraph.h (cgraph_varpool_nodes): Declare.
9781 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9782 unit-at-a-time mode.
9784 2006-07-23 Roger Sayle <roger@eyesopen.com>
9787 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9788 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9789 the __gthrw form of thr_keycreate.
9790 (__gthread_key_delete): Silence the unused argument warning.
9792 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9795 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9796 Cache the last found '\0' marker to avoid quadratic behavior.
9798 2006-07-23 Jan Hubicka <jh@suse.cz>
9800 * i386.md (subsi_3_zext): Fix output template.
9802 2006-07-21 Mike Stump <mrs@apple.com>
9804 * doc/invoke.texi (C++ Dialect Options): Note that
9805 -fvisibility-inlines-hidden doesn't affect explicitly
9806 instantiationed inline methods.
9808 2006-07-20 Roger Sayle <roger@eyesopen.com>
9810 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9811 if the target assembler is GNU binutils' gas.
9812 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9813 whether to pass GNU gas or native as command line options.
9815 2006-07-20 Jason Merrill <jason@redhat.com>
9817 * tree.c (remove_attribute): New fn.
9818 * tree.h: Declare it.
9820 2006-07-20 Paul Brook <paul@codesourcery.com>
9823 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9824 they are invalidated by this instruction.
9826 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9829 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9831 2006-07-20 Eric Christopher <echristo@apple.com>
9834 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9836 2006-07-19 Eric Christopher <echristo@apple.com>
9838 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9839 Rewrite dependencies for libgcc_s.1.dylib.
9841 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9843 * except.c (duplicate_eh_regions_1): Clear next_peer.
9845 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9847 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9848 -mlongcall does not guarantee all calls will be long.
9849 * doc/extend.texi (long_call/short_call): Document that longcall
9850 does not guarantee a long call will be used.
9851 (longcall/shortcall): Likewise.
9853 2006-07-18 Roger Sayle <roger@eyesopen.com>
9856 * expmed.c (expand_shift): Additionally check that the shift_cost
9857 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9858 before implementing a LSHIFT_EXPR as a sequence of additions.
9859 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9860 middle-end that DImode shifts need to be synthesized by expand.
9862 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9865 * tree-ssa-operands.c (access_can_touch_variable): Update
9867 Return true if ALIAS is .GLOBAL_VAR.
9869 2006-07-18 David Daney <ddaney@avtrex.com>
9871 * gcc.c (display_help): Fix typo in help text.
9873 2006-07-18 Olivier Hainque <hainque@adacore.com>
9875 * tree.h (categorize_ctor_elements): Adjust prototype and add
9876 descriptive comment, both in accordance with the interface change
9878 * varasm.c (constructor_static_from_elts_p): New function.
9879 Whether a constructor node is a valid static constant initializer
9880 if all its elements are.
9881 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9882 * output.h: Declare it.
9883 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9884 is a valid constant initializer instead of computing the number of
9885 non-constant elements. Use constructor_static_from_elts_p for this
9886 purpose. Replace the head comment with an indication that this is a
9887 helper for categorize_ctor_elements.
9888 (categorize_ctor_elements): Same interface change as for the _1
9889 helper. Former head comment from this helper moved here, adjusted to
9890 account for the interface changes.
9891 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9892 (all_zeros_p): Likewise.
9893 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9894 static versions of the constructor from the categorize_ctor_elements
9895 return value instead of the formerly computed number of non-constant
9898 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9900 * configure: Regenerate.
9901 * Makefile.in (build_libsubdir): New configure substitution
9902 (build_libobjdir): New variable.
9903 (BUILD_LIBIBERTY): Use it.
9905 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9908 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9910 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9913 * c-common.c (handle_weakref_attribute): Ignore attribute in
9914 the same conditions the alias attribute is ignored.
9916 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9918 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9919 (dbxout_begin_prologue): Increment scope_labelno.
9921 2006-07-17 Richard Henderson <rth@redhat.com>
9924 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9927 2006-07-17 Roger Sayle <roger@eyesopen.com>
9928 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9930 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9931 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9932 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9933 functions such as sbrk, write, etc.. Add function prototypes.
9934 Convert function declarations from K&R to ISO C. Cast pointers
9935 to "long" and "unsigned long" instead of "int" and "unsigned int".
9936 Convert tokens following #endif into comments.
9938 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9940 * invoke.texi: Remove mention of f77; Reformat table for
9941 inline parameter options correctly; mention that -malign-double
9942 is default on x86-64 targets.
9944 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9946 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9947 (convert_affine_scev, chrec_convert_aggressive): Use
9948 avoid_arithmetics_in_type_p. Do not check for the subtypes
9951 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9954 * optabs.c (expand_doubleword_shift): Wrap the call to
9955 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9957 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9960 * optabs.c (expand_binop): Pass next_methods rather than methods
9961 to expand_doubleword_shift.
9963 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9966 * tree.h (dump_addr): Declare.
9967 * print-tree.c (dump_addr): New function.
9968 (print_node_brief, print_node): Use it.
9969 * print-rtl.c (print_rtx): Likewise.
9970 * common.opt (-fdump-noaddr): New option.
9971 * doc/invoke.texi (-fdump-noaddr): Document.
9972 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9973 (ve_info_hash): Likewise.
9975 2006-07-13 Andrew Haley <aph@redhat.com>
9977 PR tree-optimization/19505
9978 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9979 edge leaving this block, make sure that the destination of this
9980 block has only one predecessor.
9982 2006-07-17 Richard Guenther <rguenther@suse.de>
9984 PR tree-optimization/28238
9985 * tree-inline.c (copy_bb): Check if we produced valid
9986 gimple copying and substituting a stmt. If not, gimplify
9989 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9991 * optabs.c (maybe_encapsulate_block): New function extracted from...
9992 (emit_libcall_block): ...here. Invoke it on the block of insns to
9993 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9994 (emit_no_conflict_block): Likewise.
9996 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9998 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10000 2006-07-15 Roger Sayle <roger@eyesopen.com>
10002 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10003 a new NOP_EXPR case of the switch statement.
10005 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10007 PR middle-end/28160
10008 * stor-layout.c (place_field): Take the bit field with
10009 an excessive size into account in the ms-bitfiled case.
10011 PR middle-end/28161
10012 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10013 the previous bit field.
10015 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10018 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10020 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10022 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10023 signal frames correctly even when the signal was installed with
10026 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10028 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10029 (dbxout_function_end): Use local label LFBB. Remove hook
10031 (dbxout_source_line): Use local label LFBB.
10032 (dbxout_block): Likewise.
10033 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10034 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10035 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10036 and DBX_OUTPUT_NFUN.
10038 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10040 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10042 2006-07-13 Jan Hubicka <jh@suse.cz>
10044 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10046 * output.h (align_variable): Declare.
10047 * varasm.c (align_variable): Export.
10048 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10049 when basic block changed.
10051 2006-07-13 Nick Clifton <nickc@redhat.com>
10053 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10054 walking the LOG_LINKS chain.
10056 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10058 * doc/invoke.texi (C++ Dialect Options): Explain difference
10059 between -fvisibility-inlines-hidden and setting hidden
10060 visibility explicitly.
10062 2006-07-12 Eric Christopher <echristo@apple.com>
10064 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10065 (stmp-lipo): Depend on libgcc.a.
10067 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10069 * tree.c: Fix a comment typo.
10071 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10073 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10075 (umulhisi3_r): Likewise.
10077 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10080 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10081 x < 19, vs wchar_t support.
10083 2006-07-12 Nick Clifton <nickc@redhat.com>
10085 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10086 instead of -isa=sh4.
10088 2006-07-12 Mike Stump <mrs@apple.com>
10090 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10092 2006-07-10 Eric Christopher <echristo@apple.com>
10094 * config/t-slibgcc-darwin: Rewrite.
10096 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10099 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10102 2006-07-08 Matthias Klose <doko@debian.org>
10104 * doc/sourcebuild.texi: Fix typo.
10106 2006-07-07 Mike Stump <mrs@apple.com>
10108 * toplev.c (process_options): Don't give -ffunction-sections may
10109 affect debugging warning for Mach-O.
10111 2006-07-07 James E Wilson <wilson@specifix.com>
10113 * config/mips/mips.md (cpu): Add sb1a.
10114 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10115 addition to sb1. Adjust comments to clarify SB-1A differences from
10117 (ir_sb1a_load): New. Modify bypasses to use it.
10118 (ir_sb1a_simple_alu): Likewise.
10119 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10120 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10121 (mips_issue_rate): Add PROCESSOR_SB1A.
10122 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10123 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10124 (TARGET_SB1): Add PROCESSOR_SB1A check.
10125 (TUNE_SB1): Likewise.
10127 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10128 * config/mips/mips.c (mips_store_data_bypass_p): New.
10129 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10130 store_data_bypass_p.
10132 2006-07-08 Paul Brook <paul@codesourcery.com>
10135 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10137 2006-07-07 Richard Guenther <rguenther@suse.de>
10139 PR middle-end/28268
10140 * tree.h (build_one_cst): Declare.
10141 * tree.c (build_one_cst): New function.
10142 * tree-ssa-math-opts.c (get_constant_one): Remove.
10143 (insert_reciprocals): Use build_one_cst.
10144 * fold-const.c (fold_plusminus_mult): Likewise.
10146 2006-07-07 Roger Sayle <roger@eyesopen.com>
10148 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10149 * cfgloopanal.c (dump_graph): Likewise.
10150 * dojump.c (discard_pending_stack_adjust): Likewise.
10151 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10153 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10154 * function.c (finalize_block_changes): Likewise.
10155 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10156 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10157 * rtl.c (dump_rtx_statistics): Likewise.
10158 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10160 * varray.c (dump_varray_statistics): Likewise.
10161 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10162 decode_decimal64, encode_decimal128, decode_decimal128,
10163 decimal_real_to_decimal): Likewise.
10165 2006-07-07 Richard Guenther <rguenther@suse.de>
10167 PR tree-optimization/28187
10168 * tree-vrp.c (vrp_operand_equal_p): New function.
10169 (vrp_bitmap_equal_p): Likewise.
10170 (update_value_range): Use them to compare old and new
10171 max and min values.
10173 2006-07-06 Roger Sayle <roger@eyesopen.com>
10175 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10176 a default case to switch statement to silence compiler warnings.
10178 2006-07-06 Roger Sayle <roger@eyesopen.com>
10181 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10182 the configured assembler supports the x87's ffreep mnemonic.
10183 * configure: Regenerate.
10184 * config.in: Regenerate.
10186 * config/i386/i386.c (output_387_ffreep): New function.
10187 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10188 (output_387_reg_move): Likewise.
10190 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10192 Port to hosts whose 'sort' and 'tail' implementations
10193 treat operands with leading '+' as file names, as POSIX
10194 has required since 2001. However, make sure the code still
10195 works on pre-POSIX hosts.
10196 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10197 which says you should use "tail -c +N" rather than "tail +Nc".
10198 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10200 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10202 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10205 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10208 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10209 PRE_{INC,DEC} of TFmode.
10211 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10212 Alan Modra <amodra@bigpond.net.au>
10215 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10218 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10221 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10222 Remove duplicate gtu.
10224 2006-07-05 Jason Merrill <jason@redhat.com>
10228 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10229 * c-common.c (handle_packed_attribute): So don't copy it here.
10230 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10232 2006-07-05 Mike Stump <mrs@apple.com>
10234 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10236 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10239 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10241 2006-07-05 Richard Guenther <rguenther@suse.de>
10244 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10245 TARGET_SSE2 targets if using SSE math.
10246 (*absdf2_1): Likewise.
10248 2006-07-05 Richard Guenther <rguenther@suse.de>
10250 PR tree-optimization/28162
10251 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10252 make sure to convert the operands to the correct type.
10254 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10256 PR tree-optimization/28218
10258 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10259 to calculate and free the dominator information.
10261 2006-07-04 Peter O'Gorman <peter@pogma.com>
10263 * mklibgcc.in: chmod 644 before ranlib during install.
10265 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10266 J"orn Rennecke <joern.rennecke@st.com>
10268 * configure.ac (.eh_frame data check): Use diff -b.
10270 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10273 * Makefile.in (BUILD_RTL): Add build/vec.o.
10274 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10275 (build/genextract): Delete.
10276 (build/genautomata): Likewise.
10278 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10281 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10282 128-bit IBM long doubles for ABI_V4.
10284 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10286 * tree.c (range_in_array_bounds_p): New predicate.
10287 * tree.h (range_in_array_bounds_p): Declare it.
10288 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10289 return a less conservative answer.
10290 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10291 and flag 'is_group'.
10292 (IS_ELEMENT_FOR_GROUP): New macro.
10293 (FOR_EACH_ACTUAL_CHILD): Likewise.
10294 (next_child_for_group): New helper function.
10295 (can_completely_scalarize_p): Take into account groups.
10296 (sra_hash_tree): Handle RANGE_EXPR.
10297 (sra_elt_eq): Likewise.
10298 (lookup_element): Be prepared for handling groups.
10299 (is_valid_const_index): Delete.
10300 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10301 instead of is_valid_const_index.
10302 <ARRAY_RANGE_REF>: New case.
10303 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10304 is_valid_const_index.
10305 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10306 (scan_dump): Dump info for groups too.
10307 (decide_instantiation_1): Likewise.
10308 (decide_block_copy): Assert that the element is not a group.
10309 Propagate decision to groups.
10310 (generate_one_element_ref): Handle RANGE_EXPR.
10311 (mark_no_warning): Iterate over actual childs.
10312 (generate_copy_inout): Likewise.
10313 (generate_element_copy): Likewise.
10314 (generate_element_zero): Likewise.
10315 (generate_element_init_1): Likewise.
10316 (dump_sra_elt_name): Handle RANGE_EXPR.
10318 2006-07-03 Roger Sayle <roger@eyesopen.com>
10320 PR tree-optimization/26251
10321 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10322 (thread_block): When optimizing for size refuse to thread jumps
10323 that would require duplication of blocks other than redirection
10326 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10328 * configure.ac: Fix thinko in previous check-in.
10329 * configure: Regenerate.
10331 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10334 * configure.ac (for lang...): Simplify nesting of conditionals.
10335 Test subdir_requires for non-enabled languages. Move processing
10336 of lang_opt_files and lang_tree_fiels below that test.
10337 * configure: Regenerate.
10338 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10340 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10342 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10344 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10346 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10349 2006-06-29 Jason Merrill <jason@redhat.com>
10356 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10357 * c-common.c (c_determine_visibility): Handle it here.
10358 * c-decl.c (finish_decl): Call c_determine_visibility for
10360 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10361 * tree.h: Likewise.
10362 * varasm.c (default_assemble_visibility): Likewise.
10363 * c-common.c (handle_visibility_attribute): Complain about trying
10364 to give visibility to an already defined class, or trying to change
10365 declared visibility. Always attach the attribute.
10370 * attribs.c (decl_attributes): Ignore type-in-place attributes
10371 once the type has been defined.
10373 2006-06-29 Roger Sayle <roger@eyesopen.com>
10375 PR middle-end/27428
10376 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10377 to indicate the cpplib has issued an error message for us.
10379 2006-06-29 Asher Langton <langton2@llnl.gov>
10382 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10383 insert a label at the end of an function under Mach-O.
10385 2006-06-29 Eric Christopher <echristo@apple.com>
10386 Evan Cheng <evan.cheng@apple.com>
10388 * predicates.md (vector_all_ones_operand): New.
10389 (nonimmediate_or_sse_const_operand): Ditto.
10390 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10391 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10392 (standard_sse_mode_p): Ditto.
10393 (standard_sse_constant_p): Add case for -1 vector.
10394 (ix86_expand_vector_move): Try to use.
10395 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10396 Call standard_sse_constant_opcode.
10397 (*movv4sf_internal): Ditto.
10398 (*movv2df_internal): Ditto.
10400 2006-06-29 Roger Sayle <roger@eyesopen.com>
10402 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10403 of XEXP to extract the operands of a MATCH_CODE rtx.
10405 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10407 * tree.c (tree_size): Do not waste tail padding in
10408 struct tree_string and make the size be the same as
10409 build_string will generate.
10411 2006-06-28 Jason Merrill <jason@redhat.com>
10414 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10415 may_aliases already in the tag's annotations to the bitmap.
10417 2006-06-28 Roger Sayle <roger@eyesopen.com>
10419 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10421 2006-06-28 Roger Sayle <roger@eyesopen.com>
10423 * genpreds.c (generate_switch_p): New function.
10424 (add_mode_tests): Push the new mode test down inside an AND expr
10425 if this allows the switch-suitable MATCH_CODE to be near the root.
10426 (write_match_code_switch): New function to write a MATCH_CODE as
10427 a switch statement.
10428 (write_predicate_stmts): New function to write a predicate RTX
10429 expression as a sequence of statements.
10430 (write_one_predicate_function): Use write_predicate_stmts.
10431 (write_tm_constrs_h): Likewise.
10433 2006-06-26 Fred Fish <fnf@specifix.com>
10435 * config/mips/t-sb1: New file.
10436 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10439 2006-06-26 DJ Delorie <dj@redhat.com>
10441 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10443 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10444 Jayant Sonar <jayants@kpitcummins.com>
10445 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10447 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10448 (subsi3, subsi3_1, subsi3_2): New.
10449 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10450 * config/m32c/mov.md (SI mov peephole): New.
10451 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10452 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10454 2006-06-26 Olivier Hainque <hainque@adacore.com>
10456 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10457 a CALL_EXPR target function declaration.
10459 2006-06-26 Richard Guenther <rguenther@suse.de>
10461 * tree.c (build_string): Do not waste tail padding in
10462 struct tree_string.
10464 2006-06-26 Richard Guenther <rguenther@suse.de>
10466 * ggc-page.c (init_ggc): Add missing element to size_lookup
10470 2006-06-23 Richard Guenther <rguenther@suse.de>
10472 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10473 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10474 alignment requests instead. Add verification code.
10475 Add struct tree_function_decl and struct tree_binfo size to
10476 extra_order_size_table. Add missing element to size_lookup
10479 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10481 PR middle-end/28151
10482 * fold-const.c (const_binop): Be prepared for self returning zero.
10483 Simplify code handling complex values.
10485 2006-06-24 Olivier Hainque <hainque@adacore.com>
10487 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10488 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10491 2006-06-24 Olivier Hainque <hainque@adacore.com>
10493 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10494 ARRAY_REF, so have the callback called for the low bound expression.
10496 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10498 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10499 * c-typeck.c (c_common_type): Disallow operations on decimal float
10500 types and other float types.
10501 * convert.c (convert_to_real): Don't ignore conversions involving
10502 decimal float types.
10504 2006-06-23 Olivier Hainque <hainque@adacore.com>
10506 * tree.c (max_int_size_in_bytes): New function, inspired from
10507 code in function.c:assign_temp.
10508 * tree.h (max_int_size_in_bytes): Declare.
10509 * function.c (assign_temp): Use it.
10510 * gimplify.c (create_tmp_var): Relax the assertions on the type
10511 properties, not mandating constant size any more.
10512 (force_constant_size): New static function.
10513 (gimple_add_tmp_var): Use it, forcing variable size to a
10514 constant upper bound if it is not constant on entry.
10516 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10519 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10520 for initialization and setting of one_only flag to ...
10521 (i386_pe_encode_section_info): ...here.
10522 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10523 Recheck that the symbol has not been defined.
10525 2006-06-23 Richard Guenther <rguenther@suse.de>
10527 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10528 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10529 alignment requests instead. Add verification code.
10530 Add struct tree_function_decl and struct tree_binfo size to
10531 extra_order_size_table. Add missing element to size_lookup
10534 2006-06-22 Roger Sayle <roger@eyesopen.com>
10535 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10537 PR middle-end/28131
10538 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10539 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10541 2006-06-23 Ben Elliston <bje@au.ibm.com>
10543 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10544 negate dn -- manipulate it directly.
10546 2006-06-22 Roger Sayle <roger@eyesopen.com>
10547 Steven Bosscher <stevenb.gcc@gmail.com>
10550 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10551 generated by gen_move_insn to add REG_LABEL notes if necessary.
10553 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10555 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10556 (leaf_entry): Remove use of MIN_ESA.
10558 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10560 PR rtl-optimization/28121
10561 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10564 2006-06-21 DJ Delorie <dj@redhat.com>
10566 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10568 (mulhisi3_r): Likewise.
10570 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10572 PR middle-end/28034
10573 * coverage.c (coverage_counter_alloc): Leave the index type
10575 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10578 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10580 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10581 section from the "Options for Code Generation Conventions".
10583 2006-06-21 Richard Henderson <rth@redhat.com>
10587 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10589 (global_symbolic_operand): Allow weak symbols, even if local_p.
10591 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10593 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10594 (find_interesting_uses_address): Punt if above function returns true.
10596 2006-06-21 Richard Guenther <rguenther@suse.de>
10598 * configure: Regenerated.
10600 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10602 * config/mips/mips.c (function_arg): Where one part of a
10603 complex argument is in registers and the other part in the stack,
10604 return a REG not a PARALLEL.
10606 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10608 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10609 when cross-compiling. Do not substitute libstdcxx_incdir.
10610 * configure: Regenerated.
10612 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10614 * varasm.c (mergeable_string_section): Check for embedded NULs and
10615 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10616 rather than TREE_STRING_LENGTH bytes.
10618 2006-06-21 Richard Guenther <rguenther@suse.de>
10620 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10621 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10624 2006-06-21 Richrad Guenther <rguenther@suse.de>
10626 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10627 Limit iteration over the dominators.
10629 2006-06-20 Roger Sayle <roger@eyesopen.com>
10631 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10632 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10634 2006-06-20 Richard Guenther <rguenther@suse.de>
10635 Michael Matz <matz@suse.de>
10637 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10639 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10640 * et-forest.h (et_free_pools): Prototype new function.
10641 * et-forest.c (et_free_tree_force): Free parent occurrence.
10642 (et_free_pools): New function.
10643 * dominance.c (free_dominance_info): Free et-forest alloc
10646 2006-06-20 Roger Sayle <roger@eyesopen.com>
10648 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10649 integer modes, attempt to directly construct an integer constant.
10651 * fold-const.c (native_encode_vector): Determine the size of each
10652 element from the vector type instead of the first vector element.
10654 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10655 if all of its elements/components are constant.
10656 (build_constructor_from_list): Likewise.
10658 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10660 PR tree-optimization/27331
10661 * tree-data-ref.c (free_data_ref): New function.
10662 (create_data_ref): Fail if the data reference has unknown access
10664 (free_data_refs): Use free_data_ref.
10666 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10668 PR middle-end/28075
10669 * tree-inline.c (setup_one_parameter): Strip useless
10670 type conversion before adding it to the IR.
10671 (declare_return_variable): Likewise.
10673 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10676 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10678 2006-06-19 Mike Stump <mrs@apple.com>
10680 * tree.c (variably_modified_type_p): VM arguments don't make the
10683 2006-06-19 Richard Guenther <rguenther@suse.de>
10685 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10686 type conversions after folding.
10688 2006-06-19 Richard Guenther <rguenther@suse.de>
10690 * ggc-page.c (extra_order_size_tab): Add entries with
10691 size of struct function and basic_block.
10692 (size_lookup): Extend to cover sizes up to 511.
10693 (ggc_alloc_stat): Adjust user.
10694 (ggc_pch_count_object): Likewise.
10695 (ggc_pch_alloc_object): Likewise.
10696 (ggc_pch_write_object): Likewise.
10698 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10700 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10701 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10704 2006-06-19 Denis Chertykov <denisc@overta.ru>
10706 * config/avr/libgcc.S : Correct my wrong previous commit.
10708 2006-06-19 Roger Sayle <roger@eyesopen.com>
10711 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10712 have stripped a SUBREG from the shift count, so we may need to
10713 convert_to_mode back to the type's mode before calling make_tree.
10714 Use new_amount instead of amount to avoid expanding a tree twice.
10716 2006-06-19 Richard Guenther <rguenther@suse.de>
10718 PR middle-end/28045
10719 * fold-const.c (operand_equal_p): Check if the argument types
10720 have the same precision before stripping NOPs.
10722 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10724 Fix PR tree-optimization/27341
10725 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10727 * tree-complex.c (pass_lower_complex): Update SMT usage.
10729 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10731 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10732 Add a new alternative to the constraint strings. Add move of
10733 operand 1 to 3 to the splitter definition.
10734 ("doloop_si_long"): Second contraint alternative removed.
10736 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10738 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10739 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10741 (AVR_HAVE_MOVW) Define.
10742 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10743 (ASM_SPEC): Add avr25.
10744 (LINK_SPEC): Add avr25.
10745 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10746 (base_arch_s): Add new member 'have_movw_lpmx'.
10747 (avr_arch_types): Init 'have_movw_lpmx'.
10748 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10749 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10750 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10751 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10752 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10754 (avr_file_start): Do not output '.arh' derective.
10755 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10756 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10757 * config/avr/avr.md (mcu_enhanced): Delete.
10758 (mcu_have_movw): Define.
10759 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10760 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10761 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10762 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10763 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10764 attiny861 and at86rf401 devices.
10766 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10768 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10771 2006-06-17 Karl Berry <karl@gnu.org>
10773 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10774 doc/gccint.texi, doc/install.texi (@dircategory): Use
10775 "Software development" instead of "Programming", following
10776 the Free Software Directory.
10778 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10780 * config/i386/i386.c (legitimate_tls_address)
10781 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10782 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10783 (*tls_dynamic_gnu2_combine_64): Likewise.
10785 2006-06-16 Richard Guenther <rguenther@suse.de>
10787 PR middle-end/27116
10788 * fold-const.c (negate_expr_p): Do not introduce undefined
10789 overflow in negating INTEGER_CSTs.
10790 (fold_negate_expr): Rename from negate_expr. Revert last
10791 change for folding BIT_NOT_EXPR. Change semantics to
10792 return NULL_TREE for non-simplified negations. Do not
10793 strip type conversions and unify type handling.
10794 (negate_expr): New function, wrap around fold_negate_expr
10795 but ensure building a tree always. Strip type conversions
10796 here, fold to result type.
10797 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10799 2006-06-16 Roger Sayle <roger@eyesopen.com>
10801 PR middle-end/27802
10802 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10803 that (would) return their results in stack registers.
10805 2006-06-16 Michael Matz <matz@suse.de>
10806 Richard Guenther <rguenther@suse.de>
10808 * fold-const.c (fold_truthop): Only return new tree node if
10809 we canonicalized something.
10811 2006-06-16 Richard Guenther <rguenther@suse.de>
10813 * function.h (enum function_frequency): Move declaration
10814 out of struct function.
10815 (struct function): Move bool fields and the enum to the bitfield
10816 section. Reorder elements to avoid padding. Remove unused
10817 fields left over from the RTL inliner removal.
10818 * function.c (free_after_compilation): Do not zero removed fields.
10819 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10820 (ipa-type-escape.o): Likewise.
10822 2006-06-16 Richard Guenther <rguenther@suse.de>
10824 * cgraph.h (struct cgraph_local_info): Turn bool elements
10826 (struct cgraph_node): Likewise.
10827 (struct cgraph_varpool_node): Likewise.
10829 2006-06-15 Richard Guenther <rguenther@suse.de>
10831 * fold-const.c (fold_truth_not_expr): Rename from
10832 invert_truthvalue. Give it fold_* semantics to avoid
10833 generating garbage.
10834 (invert_truthvalue): New function. Wrapper around
10835 fold_truth_not_expr.
10836 (optimize_minmax_comparison): Avoid creating garbage.
10837 (fold_unary): Use fold_truth_not_expr for folding
10839 (fold_ternary): Replace uses of invert_truthvalue with
10840 fold_truth_not_expr where applicable.
10841 * tree.h (fold_truth_not_expr): Prototype.
10843 2006-06-16 Richard Guenther <rguenther@suse.de>
10845 PR tree-optimization/27781
10846 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10847 * ipa-pure-const.c (target.h): Include.
10848 (analyze_function): Do not analyze functions that do not
10851 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10853 PR middle-end/27793
10854 * tree-dfa.c (referenced_vars_dup_list): Remove.
10855 (find_referenced_vars): Remove assert.
10856 (referenced_var_check_and_insert): Replace dup list with assert.
10857 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10858 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10860 2006-06-15 Richard Guenther <rguenther@suse.de>
10862 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10863 extra unused identifiers if not dumping.
10864 (create_variable_info_for): Likewise.
10866 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10868 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10869 (derive_constant_upper_bound): Derive more precise upper bound in
10870 common cases. Return type changed to double_int.
10871 (record_estimate): Reflect the changed return type of
10872 derive_constant_upper_bound.
10873 * double-int.c (double_int_zext, double_int_sext): Fix.
10875 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10877 * configure.ac (CFLAGS): Get them from the toplevel or from the
10878 configure invocation.
10879 * configure: Regenerate.
10880 * Makefile.in (CFLAGS): Substitute value provided by configure.
10882 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10885 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10886 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10887 rather than calling add_stmt on it.
10888 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10890 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10892 PR middle-end/27959
10893 * reload1.c (reload): Remove registers returned by update_eliminables
10894 from used_spill_regs.
10896 2006-06-13 DJ Delorie <dj@redhat.com>
10898 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10900 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10902 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10903 html__strip_dir, html__mkdir_p. Enhance install-html target.
10904 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10905 * configure: Regenerate.
10907 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10909 * fold-const.c (fold_cond_expr_with_comparison): Check for
10910 Objective-C++ as language in deciding COND_EXPR transformation.
10912 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10915 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10916 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10917 * config/sh/lib1funcs.h (SL, SL1): Define.
10918 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10919 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10920 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10921 (OBJS_Os_4_200): New variable.
10922 ($(T)libgcc-Os-4-200.a): Use it.
10923 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10924 when dividing 1 and/or by 0.
10926 2006-06-13 Roger Sayle <roger@eyesopen.com>
10928 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10929 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10930 * configure: Regenerate.
10932 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10934 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10935 for real instruction.
10937 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10939 PR middle-end/26807
10940 * haifa-sched.c (check_cfg): Handle special case.
10942 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10945 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10946 Add debug_info parameter. Chain the vars to the BLOCK instead
10947 of the BIND_EXPR if debug info are requested for them.
10948 (pop_gimplify_context): Adjust for above change.
10949 (gimple_add_tmp_var): Likewise.
10950 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10951 Add bool parameter.
10952 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10953 (convert_local_reference): Likewise.
10954 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10955 (finalize_nesting_tree_1): Request that debug info be emitted
10956 for debug_var_chain.
10958 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10960 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10961 for PR target/27863.
10963 2006-06-13 Richard Guenther <rguenther@suse.de>
10965 PR middle-end/27536
10966 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10968 2006-06-13 Richard Guenther <rguenther@suse.de>
10970 PR tree-optimization/27830
10971 * tree-inline.c (copy_body_r): For copying the operand
10972 of an ADDR_EXPR make sure to fold &* afterwards.
10974 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10976 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10977 lvalues in the fb_none case with side-effects.
10979 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10981 * tree-flow.h: Remove the prototype for
10982 compute_phi_arg_on_exit.
10983 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10984 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10987 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10989 * builtins.c (expand_builtin_return_addr): Only use
10990 frame_pointer_rtx when count == 0 and we are expanding
10991 __builtin_return_address.
10993 2006-06-12 Fred Fish <fnf@specifix.com>
10995 * config/mips/mips.c (mips_file_start): Create special section
10996 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10998 2006-06-11 Eric Christopher <echristo@apple.com>
11000 PR middle-end/27948
11001 * stor-layout.c (place_field): Remove check for
11002 remaining_in_alignment when aligning at the end of a run.
11004 2006-06-11 Eric Christopher <echristo@apple.com>
11007 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11010 2006-06-11 Roger Sayle <roger@eyesopen.com>
11013 Revert incorrect fix for PR target/27158
11014 2006-05-08 Roger Sayle <roger@eyesopen.com>
11015 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11016 of a reg_equiv_constant if the result is a legitimate constant.
11018 2006-06-11 Roger Sayle <roger@eyesopen.com>
11021 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11022 extract a CONST_VECTOR element and interpret it as an integer.
11023 (vspltis_constant): Use const_vector_elt_as_int instead of the
11024 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11025 * config/rs6000/predicates.md (easy_vector_const): Consider
11026 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11028 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11030 PR middle-end/27942
11031 * stor-layout.c (update_alignment_for_field): Don't add extra
11032 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11035 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11037 * config/mips/t-rtems: Add EL/EB multilib variants.
11039 2006-06-09 Mike Stump <mrs@apple.com>
11041 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11043 2006-06-09 David Daney <ddaney@avtrex.com>
11045 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11047 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11049 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11051 2006-06-09 Richard Guenther <rguenther@suse.de>
11053 PR tree-optimization/26998
11054 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11055 of signed types, only TYPE_MIN_VALUE is special, but for both,
11056 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11057 in this case, as is -fwrapv.
11059 2006-06-08 Mike Stump <mrs@apple.com>
11062 * config/darwin.c (darwin_asm_output_anchor): Disable
11063 -fsection-anchors on darwin for now.
11064 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11065 * rs6000/rs6000.c (optimization_options): Likewise.
11067 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11070 * config/i386/i386.c (classify_argument): Skip fields with invalid
11073 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11075 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11076 (cse_insn): Likewise for the stack_pointer_rtx.
11078 2006-06-08 Roger Sayle <roger@eyesopen.com>
11080 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11081 conditions from floating point comparisons.
11083 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11085 PR middle-end/27733
11086 * expmed.c (struct alg_hash_entry): Fix type of field T
11087 to match synth_mult argument.
11088 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11090 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11093 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11096 2006-06-08 Richard Guenther <rguenther@suse.de>
11098 PR middle-end/27116
11099 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11100 only, if overflow is defined and not trapping.
11101 (negate_expr): Likewise.
11103 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11105 PR tree-optimization/27872
11106 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11107 flag on the new exit edge of the unrolled loop.
11109 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11111 PR rtl-optimization/26449
11112 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11114 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11116 PR middle-end/27793
11117 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11118 referenced_variables with matching DECL_UID's.
11119 (find_referenced_vars): Make sure duplicate list is empty to start.
11120 (referenced_var_p): Remove.
11121 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11122 Check if var is in the list, and add if needed. Update the duplicate
11123 list if a different var is in the list with the same DECL_UID.
11124 (add_referenced_var): Call routine to check and insert.
11125 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11126 * tree-flow.h (referenced_vars_dup_list): External declaration.
11128 2006-06-07 Fred Fish <fnf@specifix.com>
11130 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11133 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11136 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11137 the imaginary and real parts of a clobbered register.
11138 Emit insn to set the imaginary part.
11140 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11142 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11143 in lieu of unwind-dw2-fde.c.
11145 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11147 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11149 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11152 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11153 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11154 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11155 V4SImode temporaries and operations instead.
11157 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11159 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11162 2006-06-06 Mike Stump <mrs@apple.com>
11164 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11165 installing during build.
11167 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11169 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11171 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11172 * config/ia64/ia64.c (params.h): New header.
11173 (ia64_optimization_options): New function to adjust parameters.
11174 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11175 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11176 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11178 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11180 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11182 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11185 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11187 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11188 Victor Kaplansky <victork@il.ibm.com>
11190 PR tree-optimization/26360
11191 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11194 2006-06-04 Roger Sayle <roger@eyesopen.com>
11195 Andrew Pinski <pinskia@physics.uc.edu>
11197 PR middle-end/27382
11198 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11199 for LABEL_DECL before calling DECL_WEAK.
11202 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11203 LABEL_DECL and PARM_DECL.
11205 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11209 * c-decl.c (grokdeclarator): Disallow variably modified types at
11210 file scope. Avoid marking shared array type of constant size as
11213 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11216 * c-common.c (fold_offsetof_1): Handle static members.
11218 2006-06-04 Eric Christopher <echristo@apple.com>
11220 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11221 (debug_rli): Output value for remaining_in_alignment.
11222 (update_alignment_for_field): Unconditionalize
11223 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11224 extra alignment code.
11225 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11226 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11227 * tree.h (record_layout_info_s): Remove prev_packed.
11228 * doc/extend.texi (ms_struct): Add documentation of format.
11230 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11232 * tree.h: Declare folding_initializer.
11233 * builtins.c (fold_builtin_constant_p): Give definite answer
11234 if folding inside an initializer.
11235 * fold-const.c: Define folding_initializer.
11236 (START_FOLD_INIT): Save and then set folding_initializer.
11237 (END_FOLD_INIT): Restore folding_initializer.
11239 2006-06-04 Richard Guenther <rguenther@suse.de>
11241 PR tree-optimization/27039
11242 * fold-const.c (fold_comparison): Handle pointer comparison
11243 again for all comparison codes. Compare offsets in signed
11245 (fold_binary): Move code from here.
11247 2006-06-03 Roger Sayle <roger@eyesopen.com>
11250 * config/i386/i386.c (construct_container): Split static issued_error
11251 flag into issued_sse_arg_error, issued_sse_ret_error and
11252 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11253 requires the use of x87 registers and the user explicitly
11254 specified the -mno-80387 command line option.
11256 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11258 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11259 HAVE_DECL_SIGALTSTACK.
11261 (segv_handler): Use MC_FLD.
11262 * configure.ac: Check for a sigaltstack declaration.
11263 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11264 * configure: Regenerate.
11265 * config.in: Regenerate.
11267 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11270 * Makefile.in (stmp-fixinc): Fix typo.
11272 2006-06-02 Roger Sayle <roger@eyesopen.com>
11274 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11275 are type correct. Clean-up.
11276 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11277 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11279 2006-06-01 DJ Delorie <dj@redhat.com>
11281 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11282 shift, as we've disabled the "switch" insn that needs it.
11284 2006-06-01 Per Bothner <bothner@bothner.com>
11286 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11287 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11288 * c-ppoutput.c (cb_define): Don't increment line 0.
11290 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11292 * doc/invoke.texi: Add cpu_type power6.
11293 * config.gcc: Add cpu_type power6.
11294 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11295 to power5+ with Altivec.
11296 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11297 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11299 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11301 * config/avr/avr.h (SET_ASM_OP): Define.
11303 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11305 * config/bfin/bfin.c: Fix comment typos.
11307 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11310 * doc/install.texi: Document --enable-bootstrap and
11311 --disable-bootstrap.
11313 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11315 * doc/install.texi: Document that InfoZIP can replace jar.
11317 2006-05-31 Roger Sayle <roger@eyesopen.com>
11319 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11320 isn't available, directly generate the simpler x87 patterns without
11321 the (use (const_int 0)).
11322 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11323 implementation isn't available.
11324 (*negdf2_1): Likewise.
11325 (*negxf2_1): XF mode negation is always done using the x87.
11326 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11328 2006-05-31 Roger Sayle <roger@eyesopen.com>
11330 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11331 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11333 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11335 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11337 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11338 * config/bfin/bfin.c (basic-block.h): Include.
11339 (struct machine_function): New.
11340 (bfin_init_machine_status): New.
11341 (override_options): Initialize init_machine_status.
11342 (bfin_hardware_loop): New.
11343 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11344 (DEF_VEC_P (loop_info)): New.
11345 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11346 (struct loop_info): New.
11347 (loop_info): New typedef.
11348 (struct loop_work): New.
11349 (loop_work): New typedef.
11350 (DEF_VEC_O (loop_work)): New.
11351 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11352 (bfin_dump_loops): New.
11353 (bfin_bb_in_loop): New.
11354 (bfin_scan_loop): New.
11355 (bfin_optimize_loop): New.
11356 (bfin_reorg_loops): New.
11357 (bfin_reorg): Use bfin_reorg_loops.
11358 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11360 (I_REGNO_P): Simplify.
11361 (DP_REGNO_P, DPREG_P): New macros.
11362 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11363 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11364 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11365 Add LT_REGS, LC_REGS, LB_REGS.
11366 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11368 (REGNO_REG_CLASS): Deal with loop registers.
11369 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11371 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11372 New constants for loop registers.
11373 (UNSPEC_LSETUP_END): New.
11374 (seq_insns): New define_attr. Set it for appropriate insns.
11375 (movsi_insn): Add alternatives for move from/to
11376 loop count registers.
11377 (doloop_end): New define_expand.
11378 (loop_end): New define_insn.
11379 (define_split for bad doloop_end): New.
11380 (lsetup_with_autoinit): New define_insn.
11381 (lsetup_without_autoinit): New define_insn.
11382 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11383 * config/bfin/predicates.md (lc_register_operand): New.
11384 (lt_register_operand): New.
11385 (lb_register_operand): New.
11386 (nondp_register_operand): New.
11387 (nondp_reg_or_memory_operand): New.
11388 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11390 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11392 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11393 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11395 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11397 * Makefile.in (CATALOGS): Add po/ prefix.
11398 * configure: Regenerated.
11400 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11403 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11404 a shift operand before calling shift_op. Avoid redundant call of
11407 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11408 DJ Delorie <dj@redhat.com>
11410 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11411 we're inserting is a singlt-bit constant.
11413 2006-05-30 Roger Sayle <roger@eyesopen.com>
11415 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11416 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11418 2006-05-30 Roger Sayle <roger@eyesopen.com>
11420 PR tree-optimization/23452
11421 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11422 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11423 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11424 complex values and with -ffast-math for FP complex values.
11426 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11428 * c-common.h: Remove the prototype for yyparse.
11429 * rtl.h: Remove the prototype for init_loop.
11431 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11433 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11436 2006-05-30 Roger Sayle <roger@eyesopen.com>
11438 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11440 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11441 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11443 2006-05-30 Dirk Mueller <dmueller@suse.de>
11446 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11447 for CONSTANT_CLASS_P expresisons.
11449 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11452 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11454 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11456 PR tree-optimization/27779
11457 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11458 initial_condition instead of CHREC_LEFT.
11460 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11462 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11463 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11464 Make prototypes ISO C90.
11466 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11467 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11469 * see.c (see_analyze_one_def): Correct check.
11470 (see_get_extension_data): Check if extension is parallel.
11471 (see_get_extension_reg): Likewise.
11473 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11476 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11477 into register for (code == GTU).
11479 2006-05-29 Roger Sayle <roger@eyesopen.com>
11481 PR tree-optimization/24964
11482 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11483 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11484 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11485 abs(x)*abs(x) as x*x for scalar floating point modes.
11487 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11489 PR middle-end/27745
11490 * lambda-code.c (perfect_nestify): Don't copy statements
11491 in the inner loop: move them to the inner loop header.
11493 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11496 * c-tree.texi: Document OpenMP directives and clauses.
11498 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11500 * varasm.c (globalize_decl): Fix indentation.
11502 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11505 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11506 pass_fre, pass_store_ccp, pass_copy_prop,
11507 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11508 pass_return_slot, pass_object_size, pass_lim,
11509 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11510 pass_loop_prefetch and pass_stdarg.
11512 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11514 * config/bfin/bfin.opt (mfdpic): New option.
11515 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11516 (EXTRA_MULTILIB_PARTS): Likewise.
11517 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11518 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11520 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11521 (CRT_CALL_STATIC_FUNCTION): New.
11522 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11524 (CRT_CALL_STATIC_FUNCTION): New.
11525 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11527 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11528 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11529 (initialize_trampoline): Changed to handle FD-PIC code generation.
11530 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11531 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11532 (override_options): Disallow -mid-shared-library -mfdpic combination.
11533 Can't do unaligned ops if FD-PIC.
11534 Turn off flag_pic if trying to generate non-id-shared-library
11535 non-fdpic code, since it's not supported.
11536 (bfin_assemble_integer): New function.
11537 (TARGET_ASM_INTEGER): Define.
11538 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11540 * config/bfin/crtn.s: Restore them.
11541 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11543 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11544 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11545 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11546 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11547 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11549 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11550 FDPIC_REGS and FDPIC_FPTR_REGS.
11551 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11552 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11553 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11554 (load_funcdescsi): New pattern.
11555 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11556 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11557 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11559 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11561 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11564 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11566 * tree-flow.h: Remove the prototype for add_type_alias.
11567 * tree-ssa-alias.c (add_type_alias): Remove.
11569 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11571 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11572 config/fr30/fr30.md, config/i386/i386-interix.h,
11573 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11574 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11575 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11576 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11577 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11578 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11579 Follow spelling conventions.
11580 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11581 Follow spelling conventions.
11583 2006-05-27 Richard Guenther <rguenther@suse.de>
11585 PR middle-end/27773
11586 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11587 to produce a constant of value 1 of generic type.
11589 2006-05-27 Dirk Mueller <dmueller@suse.de>
11591 * cgraphunit.c (decide_is_function_needed): Fix wrong
11594 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11596 PR rtl-optimization/27661
11597 * reload.c (find_reloads): When reloading a VOIDmode constant
11598 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11599 use Pmode as mode of the reload register.
11601 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11603 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11604 is enabled at -O and above.
11606 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11609 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11612 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11615 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11616 for anonymous variables explicitly declared by front ends.
11618 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11620 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11621 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11622 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11623 ref-all pointers, run a finalization pass for them.
11624 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11625 (finalize_ref_all_pointers): New function.
11626 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11627 regular pointer type to a ref-all pointer type.
11628 (get_tmt_for): Return the special memory tag for ref-all pointers.
11630 2006-05-25 Richard Guenther <rguenther@suse.de>
11632 PR middle-end/27743
11633 * fold-const.c (fold_binary): Do not look at the stripped
11634 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11636 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11638 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11639 for LT and GT if the computed range is effectively empty.
11641 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11644 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11645 mips_quad_format formats instead of ieee_single_format,
11646 ieee_double_format and ieee_quad_format formats, respectively.
11648 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11650 PR tree-optimization/27639
11651 PR tree-optimization/26719
11652 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11653 call to scev_probably_wraps_p.
11654 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11655 used_in_pointer_arithmetic_p, convert_step): Removed.
11656 (nowrap_type_p): New function.
11657 (scev_probably_wraps_p): Rewritten.
11658 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11659 chrec_convert if chrec_convert_aggressive might have been used.
11660 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11661 scev_direction): New functions.
11662 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11663 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11664 instead of convert_step.
11665 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11666 (convert_step): Declaration removed.
11667 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11669 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11671 * df-core.c: Added to header comments.
11672 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11673 df_ur_bb_info, df_urec_bb_info): Added comments.
11674 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11675 urec, ri problems): Fixed header comments.
11676 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11677 code from df_rd_transfer_function.
11679 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11681 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11682 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11683 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11685 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11687 * expr.c (undefined_operand_subword_p): New.
11688 (emit_move_multi_word): Do not generate move from undefined bits
11689 of a paradoxical subreg.
11691 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11693 PR rtl-optimization/27736
11694 * combine.c (replaced_rhs_value): New variable.
11695 (combine_instructions): Set it.
11696 (distribute_notes): When distributing a note in replaced_rhs_insn,
11697 check whether the value was used in replaced_rhs_value.
11699 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11702 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11703 add_referenced_var instead of add_referenced_tmp_var.
11704 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11705 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11706 add_referenced_var.
11707 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11708 tree_optimize_tail_calls_1): Use add_referenced_var.
11709 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11710 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11711 Use add_referenced_var.
11712 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11713 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11714 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11715 Use add_referenced_var.
11716 * tree-dfa.c (struct walk_state): Remove.
11717 (find_referenced_vars): Remove walk state and vars_found hash table.
11718 (make_rename_temp): Use add_referenced_var.
11719 (find_vars_r): Pass less parameters to add_referenced_var.
11720 (referenced_var_p): New. Is var in referenced_var hash table.
11721 (referenced_var_insert): Assert var isn't already in hash table.
11722 (add_referenced_var): Don't need walk_state parameter. Add var if it
11723 isn't already in the hash table.
11724 (add_referenced_tmp_var): Remove.
11725 (find_new_referenced_vars_1): Use add_referenced_var.
11726 * tree-ssa-pre.c (create_expression_by_pieces,
11727 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11728 Use add_referenced_var.
11729 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11730 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11731 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11732 add_referenced_var.
11733 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11734 vect_create_data_ref_ptr, vect_create_destination_var,
11735 vect_init_vector, vect_build_loop_niters,
11736 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11737 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11738 Use add_referenced_var.
11739 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11740 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11741 (add_referenced_var): Add prototype.
11742 * tree-ssa-structalias.c (get_constraint_for,
11743 intra_create_variable_infos): Use add_referenced_var.
11745 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11747 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11748 big-endian paradoxical subregs.
11749 * var-tracking.c (struct micro_operation_def): Document that,
11750 for modify micro operations, insn is the subsequent instruction.
11751 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11752 (var_reg_set, var_mem_set): ... new functions.
11753 (add_stores): Record subsequent insn.
11754 (compute_bb_dataflow): Use new functions for MO_USE.
11755 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11756 notes after the insn, and modify notes before the insn known
11757 to be the subsequent one.
11758 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11760 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11763 * config/i386/i386.c (ix86_expand_builtin): Use
11764 gen_sse3_monitor64 for TARGET_64BIT.
11766 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11768 PR rtl-optimization/26375
11769 PR rtl-optimization/26855
11770 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11772 (df_ru_bb_local_compute): Reversed statements and removed bogus
11773 comment explaining why they should be in wrong order.
11774 (df_ru_dump, df_rd_dump): Enhanced debug info.
11775 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11777 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11778 reaching uses and fixed space problem.
11780 2006-05-23 Jan Hubicka <jh@suse.cz>
11782 * cgraphunit.c (decide_is_function_needed): Also nested functions
11783 and functions declared inline can be optimized out at -O0.
11785 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11787 * doc/install.texi (Configuration): Remove reference to CrossGCC
11788 FAQ which was gone.
11791 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11794 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11795 ix86_compare_emitted is non-NULL.
11797 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11800 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11803 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11805 PR rtl-optimization/25514
11806 * combine.c (replaced_rhs_insn): New variable.
11807 (combine_instructions): Set replaced_rhs_insn when trying to replace
11808 a SET_SRC with a REG_EQUAL note.
11809 (distribute_notes): Use replaced_rhs_insn when determining the live
11810 range of a REG_DEAD register.
11812 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11813 Anatoly Sokolov <aesok@post.ru>
11815 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11816 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11817 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11818 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11819 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11820 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11821 at90usb647, at90usb1286 and at90usb1287 devices.
11822 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11823 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11825 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11827 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11829 2006-05-22 Richard Guenther <rguenther@suse.de>
11832 2006-01-31 Richard Guenther <rguenther@suse.de>
11833 Paolo Bonzini <bonzini@gnu.org>
11835 * doc/install.texi (--disable-libgcc-math): Document.
11837 2006-05-22 Richard Guenther <rguenther@suse.de>
11840 2006-01-31 Richard Guenther <rguenther@suse.de>
11842 * doc/invoke.texi (-msselibm): Document.
11843 * target.h (expand_library_builtin): New target hook.
11844 * builtins.c (expand_builtin): Use expand_library_builtin.
11845 (default_expand_library_builtin): New function.
11846 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11847 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11848 (link_gcc_math_spec): Declare.
11849 (static_specs): Add link_gcc_math_spec.
11850 * expr.h (default_expand_library_builtin): Declare.
11851 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11852 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11853 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11854 * config/i386/i386.opt (msselibm): New target option.
11855 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11856 (ix86_init_sse_abi_builtins): New function.
11857 (ix86_expand_library_builtin): Likewise.
11858 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11859 (override_options): Handle error conditions wrt -msselibm.
11860 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11861 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11862 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11865 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11868 * c-common.c (self_promoting_args_p): Skip erroneous args.
11871 * c-decl.c (finish_struct): Skip erroneous fields.
11873 2006-05-22 Nick Clifton <nickc@redhat.com>
11875 * config/cris/cris.opt (march): Remove VarExists attribute.
11876 (max-stackframe=): Likewise.
11878 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11880 * doc/rtl.texi: Fix a typo.
11881 * see.c: Fix comment typos.
11883 * tree-ssa-structalias.h (alias_info): Remove num_references.
11885 2006-05-21 Mike Stump <mrs@apple.com>
11887 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11889 (darwin_pragma_options): Use BAD instead.
11890 (darwin_pragma_unused): Likewise.
11891 (darwin_pragma_ms_struct): Likewise.
11893 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11895 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11897 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11899 PR rtl-optimization/27671
11900 * simplify-rtx.c (simplify_relational_operation_1): Fix
11901 simplifications of (eq/ne (xor x y) y) and
11902 (eq/ne (xor x y) x).
11904 PR tree-optimization/26622.
11905 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11908 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11910 * tree-cfg.c: Prune whitespace.
11911 (debug_tree_cfg): Point to correct header containing the
11914 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11916 PR middle-end/25776
11917 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11919 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11921 PR middle-end/25776
11922 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11923 or sorry count is non zero.
11925 2006-05-20 Andreas Schwab <schwab@suse.de>
11927 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11929 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11930 Kenneth Zadeck <zadeck@naturalbridge.com>
11932 PR rtl-optimization/26855
11934 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11936 (df_scan_alloc): Added code to properly handle multiword hard
11937 registers and add all_blocks parameter.
11938 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11939 code to properly handle multiword hard registers.
11940 (df_rescan_blocks): Added code to remove deleted blocks from
11942 (df_ref_create_structure, df_ref_record): Added code to properly
11944 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11945 and set DF_REF_PARTIAL.
11946 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11947 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11948 (df_scan_add_problem): Added flags parameter.
11949 (df_ref_create_structure): Changed switching structure.
11950 (df_bb_refs_record): Fixed case where duplicate artificial refs
11951 were created. Changed location of flags.
11952 (df_record_entry_block_defs): Added code to make stack pointer
11953 live in entry block. Refined cases where frame pointer is needed.
11954 Changed location of flags.
11955 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11956 (df_set_state): Removed function.
11957 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11958 df_insn_create_insn_record, df_insn_refs_delete,
11959 df_ref_create_structure): Formatting changes.
11960 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11961 df_delete_basic_block): New function.
11962 (df_init): Changed location of flags.
11963 (df_add_problem): Added flags parameter and the way flags are
11965 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11966 debug_df_chain): Improved debugging output.
11967 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11968 (df_refs_chain_dump): Removed df parameter.
11969 (df_iterative_dataflow): Added consistency check.
11970 (df_prune_to_subcfg): Made public.
11971 (df_analyze_problem): Added blocks_to_init parameter and made
11973 (df_ref_record, df_bb_refs_record, df_mark_reg,
11974 df_record_exit_block_uses): Whitespace changes.
11975 (df_dump): Whitespace changes.
11976 * df.h: Some reordering to remove forward references.
11977 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11978 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11979 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11980 (dataflow.flags): New field.
11981 (df.flag): Deleted field.
11982 (df_alloc_function): Added additional bitmap parameter.
11983 (df_dependent_problem_function): New type.
11984 (df_problem.changeable_flags): New field.
11985 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11986 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11987 (df_mw_hardreg): New struct.
11988 (DF_INSN_UID_MWS): New macro.
11989 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11991 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11992 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11993 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11994 (df_set_state): Removed function.
11995 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11996 * df-problems.c (df_chain_dump): Removed df parameter.
11997 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11998 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12000 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12001 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12002 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12003 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12004 DF_REF_MUST_CLOBBER cases.
12005 (df_ru_bb_local_compute_process_def,
12006 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12007 df_lr_bb_local_compute, df_ur_bb_local_compute,
12008 df_chain_create_bb): Made subreg aware.
12009 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12010 df_lr_bb_local_compute, df_lr_bb_local_compute,
12011 df_chain_create_bb): Cleanup to use proper macros.
12012 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12013 code to fixup bitvectors.
12014 (df_ri_alloc): Cleared lifetime.
12015 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12016 df_create_unused_note): New function.
12017 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12018 REG_DEAD and REG_UNUSED notes as well as register information.
12019 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12020 df_chains_dump): Fixed crash if problem was never run.
12021 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12022 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12023 df_ri_add_problem): Processes flags in uniform manner.
12024 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12025 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12026 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12027 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12028 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12029 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12030 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12031 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12032 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12033 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12034 * see.c (see_initialize_data): Ditto.
12035 * final.c (rest_of_clean_state) Added regstack_completed.
12036 * rtl.h (regstack_completed): Ditto.
12037 * reg-stack.c (regstack_completed): Ditto.
12039 2006-05-19 Mike Stump <mrs@apple.com>
12041 * c-tree.h (default_conversion): Remove.
12042 * c-common.h (default_conversion): Add.
12044 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12046 * tree-vrp.c (valid_value_p): New function.
12047 (adjust_range_with_scev): Fail if the value of bound is not
12050 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12052 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12053 (mips_fallback_frame_state): Use syscall numbers to determine
12054 the appropriate li instruction for the current ABI. Only use
12055 __NR_sigreturn for o32.
12057 2006-05-19 Nicolas Setton <setton@adacore.com>
12059 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12060 * langhooks.c (lhd_dwarf_name): New function.
12061 * langhooks-def.h (lhd_dwarf_name): Declare.
12062 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12063 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12065 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12067 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12069 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12070 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12071 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12072 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12073 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12074 determine the size of Wtype, etc.
12075 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12076 (swfloatfuncs): New variable.
12077 (dwfloatfuncs): Likewise.
12078 (lib2funcs): Remove floating-point conversion functions from
12079 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12080 the set of conversion routines needed. Allow entries to specify
12081 an object name, filename and word size. Update users accordingly.
12082 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12083 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12087 2006-02-08 Roger Sayle <roger@eyesopen.com>
12090 * config/fixtfdi.c: New libgcc source file.
12091 * config/fixunstfdi.c: New source file.
12092 * config/floatditf.c: New source file.
12093 * config/floatunditf.c: New souce file.
12094 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12095 files above instead of config/mips/_tilib.c.
12096 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12098 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12100 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12101 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12103 2006-05-18 Mike Stump <mrs@apple.com>
12105 Fix up vla, vm and [*] sematics.
12111 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12112 (c_vla_unspec_p): Add.
12113 (c_vla_type_p): Add.
12114 * c-decl.c (struct c_scope): Add had_vla_unspec.
12115 (build_array_declarator): Add support for [*].
12116 (grokdeclarator): Likewise.
12117 (grokparms): Likewise.
12118 (get_parm_info): Likewise.
12119 * c-objc-common.c (c_vla_unspec_p): Likewise.
12120 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12121 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12122 typeof when argument is a variably modified type not inside sizeof or alignof.
12123 (c_parser_direct_declarator_inner): Propagate errors.
12124 (c_parser_sizeof_expression): Add support for [*].
12125 (c_parser_parms_declarator): Initialize had_vla_unspec.
12126 (c_parser_parms_list_declarator): Likewise.
12127 * c-typeck.c (c_vla_type_p): Add.
12128 (composite_type): Add support for vla compositing.
12129 (comptypes_internal): Add support for vla compatibility.
12130 (c_expr_sizeof_expr): Evaluate vla arguments.
12131 * tree.c (variably_modified_type_p): Update comment for [*].
12133 2006-05-18 Michael Matz <matz@suse.de>
12136 * config.host: Make assignments to host_xmake_file cumulative.
12137 * config.host (*-darwin*): Test $host, not $target.
12139 2006-05-12 Stuart Hastings <stuart@apple.com>
12141 * config/i386/i386.opt (-mstackrealign): New flag.
12142 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12143 (ix86_handle_cconv_attribute): Emit error when
12144 force_align_arg_pointer attribute collides with too many regparms.
12145 (ix86_function_regparm): Limit regparms when used with
12146 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12147 Support stack-realigning prologue in non-main functions. Emit
12148 warning for nested functions under -mstackrealign, emit error for
12149 nested functions with force_align_arg_pointer attribute.
12150 * doc/extend.texi (force_align_arg_pointer): Document it.
12151 * doc/invoke.texi (-mstackrealign): Document it.
12153 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12155 PR rtl-optimization/27477
12156 * combine.c (try_combine): Don't split a parallel consisting
12157 of two sets into two individual sets if both sets reference
12160 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12162 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12163 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12165 * doc/options.texi (VarExists): Updated.
12167 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12169 * unwind-dw2.c: Add declarations for uw_update_context and
12170 uw_frame_state_for.
12171 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12172 detected, advance frame state and context once to skip over stub.
12174 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12176 PR middle-end/20256
12177 PR middle-end/26435
12178 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12179 Call rewrite_into_loop_closed_ssa only when something changed.
12180 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12181 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12182 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12183 Test for perfect_nest_p here. Fix formating.
12184 (replace_uses_equiv_to_x_with_y): Fix formating.
12185 (stmt_uses_op): Removed.
12186 (can_convert_to_perfect_nest): Removed loopivs parameter.
12187 Complete the test by checking the scalar dependences.
12188 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12191 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12194 From Dan Kegel <dank@kegel.com>:
12195 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12197 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12199 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12200 if the element type is variably modified without recursing.
12202 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12204 PR middle-end/27332
12205 * tree-loop-linear.c (try_interchange_loops): Test for
12206 no data dependences.
12208 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12210 PR tree-optimization/27548
12211 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12212 range of ssa names that appear on abnormal edges.
12213 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12214 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12216 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12218 PR middle-end/27620
12219 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12221 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12223 PR middle-end/27415
12224 * tree.h (OMP_PARALLEL_COMBINED): Define.
12225 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12226 (new_omp_context): Add is_combined_parallel argument.
12227 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12228 new_omp_context caller.
12229 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12230 Adjust gimplify_scan_omp_clauses callers.
12231 (omp_is_private): Issue errors if iteration variable is firstprivate
12232 or reduction in the current context.
12233 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12234 on combined parallel workshare constructs.
12236 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12238 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12239 (gcc-options.o): New rule.
12241 * optc-gen.awk: Protect variables for gcc-options.o with
12242 #ifdef GCC_DRIVER/#endif.
12244 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12246 Fix PR tree-optimization/27373
12247 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12248 (forward_propagate_addr_expr): Update call.
12250 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12252 * doc/options.texi: Move the Negative option.
12254 2006-05-16 Richard Guenther <rguenther@suse.de>
12256 PR tree-optimization/22303
12257 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12259 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12260 ccp_fold did not simplify the statement.
12262 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12265 * Makefile.in (GCC_OBJS): New.
12266 (OBJS-common): Add opts-common.o.
12267 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12268 (cpp$(exeext)): Likewise.
12269 (gcc.o): Also depend on opts.h.
12270 (opts-common.o): New.
12272 * common.opt (gcoff): Add Negative(gdwarf-2).
12273 (gdwarf-2): Add Negative(gstabs).
12274 (gstabs): Add Negative(gstabs+).
12275 (gstabs+): Add Negative(gvms).
12276 (gvms): Add Negative(gxcoff).
12277 (gxcoff): Add Negative(gxcoff+).
12278 (gxcoff+): Add Negative(gcoff).
12279 * config/i386/i386.opt (m32): Add Negative(m64).
12280 (m64): Add Negative(m32).
12282 * doc/options.texi: Document the Negative option.
12284 * gcc.c: Include "opts.h".
12285 (main): Call prune_options after expandargv.
12287 * optc-gen.awk: Generate common declarations for all flag
12288 variables in options.c. Output the neg_index field.
12290 * opts.c (find_opt): Moved to ...
12291 * opts-common.c: Here. New file.
12293 * opts.h (cl_option): Add a neg_index field.
12295 (prune_options): Likewise.
12297 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12299 PR middle-end/27573
12300 * omp-low.c (expand_omp_parallel): Don't assert
12301 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12302 instead search for it.
12305 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12308 2006-05-16 Andreas Schwab <schwab@suse.de>
12310 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12313 2006-05-15 Roger Sayle <roger@eyesopen.com>
12316 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12317 integer constants other than zero are only legitimate on TARGET_64BIT.
12318 <CONST_VECTOR> Only zero vectors are legitimate.
12319 (ix86_cannot_force_const_mem): Integral and vector constants can
12320 always be put in the constant pool.
12322 2006-05-16 DJ Delorie <dj@redhat.com>
12324 * crtstuff.c (__dso_handle): Set section from
12325 TARGET_LBIGCC_SDATA_SECTION if defined.
12326 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12327 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12329 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12332 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12335 2006-05-16 Ben Elliston <bje@au.ibm.com>
12337 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12339 2006-05-15 Per Bothner <per@bothner.com>
12341 * tree.c: (last_annotated_node): Use source_locus typedef.
12342 This permits bootstrapping with --enable-mapped-location.
12344 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12346 PR tree-optimization/26830
12347 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12348 (info_for_ssa_name, current_info_for_ssa_name_age,
12349 blocks_to_update): New variables.
12350 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12351 (clear_ssa_name_info, initialize_flags_in_bb,
12352 mark_block_for_update): New functions.
12353 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12354 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12355 prepare_def_site_for): Use mark_block_for_update.
12356 (mark_def_interesting): Assert that the processed block is marked in
12357 blocks_to_update. Do not take blocks argument.
12358 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12360 (rewrite_update_init_block, rewrite_update_stmt): Only process
12361 blocks with statements to rewrite.
12362 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12363 (update_ssa): Initialize and free blocks_to_update. Do not
12364 clear flags on statements. Do not use blocks bitmap.
12365 * tree.h (SSA_NAME_AUX): Removed.
12366 (struct tree_ssa_name): Removed aux field.
12367 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12369 2006-05-15 Richard Guenther <rguenther@suse.de>
12371 PR tree-optimization/27603
12372 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12373 Do computations in original type.
12375 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12377 * see.c: Code style changes such as redundant paranthesis,
12378 redundant intialization of local variables etc.
12379 (see_main): Declared now as static.
12380 * doc/invoke.texi: Update that -fsee is not enabled by
12383 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12385 * omp-low.c (check_omp_nesting_restrictions): New function.
12386 (scan_omp_1): Call it.
12388 PR middle-end/27416
12389 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12390 construct, return *VAR.
12392 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12394 PR rtl-optimization/27406
12395 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12398 2006-05-14 Roger Sayle <roger@eyesopen.com>
12400 PR rtl-optimization/27538
12401 * combine.c (expand_compound_operation): Call gen_lowpart
12402 before calling simplify_shift_const.
12404 2006-05-14 Roger Sayle <roger@eyesopen.com>
12406 PR rtl-optimization/22563
12407 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12408 a fixed width bitfield, always force the intermediates into psuedos.
12410 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12413 * mkconfig.sh: Use operator = instead of == for test.
12415 2006-05-13 Nick Clifton <nickc@redhat.com>
12417 * dwarf2out.c (dbx_reg_number): Check return value from
12418 LEAF_REG_REMAP and only use it if it is valid.
12419 (multiple_reg_loc_descriptor): Likewise.
12421 2006-05-13 Richard Guenther <rguenther@suse.de>
12423 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12426 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12428 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12429 information attached to non-INSNs such as NOTEs.
12430 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12432 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12434 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12436 * config/s390/s390.md: Adjust comment describing On constraint.
12438 2006-05-11 Jan Hubicka <jh@suse.cz>
12440 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12441 to be output at -O0.
12443 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12445 PR middle-end/27384
12446 * fold-const.c (size_binop): Move sanity check for arguments to
12447 the beginning of the function.
12449 PR middle-end/27488
12450 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12453 2006-05-11 Richard Guenther <rguenther@suse.de>
12455 PR middle-end/27529
12456 * fold-const.c (fold_unary): Handle intermediate conversion
12457 to a pointer type like intermediate conversion to an integer
12458 type in folding of (T1)(T2)var to var.
12459 Match the code to the comment in the final conversion for
12460 (T1)(T2)var to (T1)var regarding to type precision. Rather
12461 than disallow T1 being of pointer type, assert that both T1
12462 and var are of pointer type or not. Make sure not to fall
12463 over the frontends lazyness wrt array to pointer decay though.
12465 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12467 * arm.c (arm_struct_value_rtx): Delete.
12468 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12469 (arm_init_cumulative_args): Always initialize nregs to zero.
12471 2006-05-10 Richard Guenther <rguenther@suse.de>
12473 PR tree-optimization/27532
12474 * tree-object-size.c (plus_expr_object_size): Fix typo.
12476 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12479 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12480 ashrdi_const, ashrdi3): Use a scratch register.
12482 2006-05-10 Richard Guenther <rguenther@suse.de>
12484 PR tree-optimization/27302
12485 * fold-const.c (operand_equal_p): For two comparisons,
12486 try comparison of one comparison code swapped if that yields
12489 2006-05-10 Ben Elliston <bje@au.ibm.com>
12491 * tree-pretty-print.c (pretty_print_string): No need to handle
12492 '\0' as a special character.
12494 * tree.h: Include "hashtab.h".
12495 (iterative_hash_expr): Use hashval_t in its prototype.
12496 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12498 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12501 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12502 (hppa*64*-*-hpux11*): Ditto.
12503 (hppa[12]*-*-hpux11*): Ditto.
12505 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12508 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12510 2006-05-09 Michael Matz <matz@suse.de>
12512 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12513 host_extra_gcc_objs and host_xmake_file.
12514 (<*-*-linux*>): Don't overwrite host_xmake_file.
12515 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12516 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12517 (host_detect_local_cpu): Declare.
12518 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12519 * config/i386/i386.c (override_options): Handle -mtune=native
12521 * config/i386/x-i386: New file.
12522 * config/i386/driver-i386.c: New file.
12523 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12526 2006-05-09 Dirk Mueller <dmueller@suse.de>
12527 Richard Guenther <rguenther@suse.de>
12529 PR middle-end/27498
12530 * fold-const.c (fold_read_from_constant_string): Relax check
12531 for matching types to matching modes.
12533 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12535 PR rtl-optimization/27335
12536 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12539 2006-05-08 Chao-ying Fu <fu@mips.com>
12540 Richard Sandiford <richard@codesourcery.com>
12542 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12543 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12544 * config/mips/mips.md (UNSPEC_SCC): New constant.
12545 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12546 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12547 (mips_emit_compare): Use it.
12548 (mips_expand_vcondv2sf): New function.
12550 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12552 Fix PR tree-optimization/27093
12553 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12554 renaming when they become not-used_alone.
12556 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12558 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12559 relocation and relocation stubs.
12561 2006-05-08 Eric Christopher <echristo@apple.com>
12563 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12566 2006-05-08 Jan Hubicka <jh@suse.cz>
12568 PR middle-end/24561
12569 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12570 unused static functions are needed.
12572 2006-05-08 Roger Sayle <roger@eyesopen.com>
12575 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12576 of a reg_equiv_constant if the result is a legitimate constant.
12578 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12581 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12582 standard 80387 constants, raise the cost to prevent
12583 compress_float_constant() to generate load from memory.
12585 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12587 * config/arm/constraints.md (c): Fix a typo.
12589 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12592 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12595 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12597 (_mm_mwait): Likewise.
12599 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12601 (sse3_monitor): Make it 32bit only.
12602 (sse3_monitor64): New. 64bit monitor.
12604 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12607 * config/i386/i386.c (classify_argument): Skip fields with invalid
12610 2006-05-07 Richard Guenther <rguenther@suse.de>
12612 PR tree-optimization/27409
12613 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12614 Do not try to find zero-sized subvars.
12616 2006-05-07 Richard Guenther <rguenther@suse.de>
12618 PR tree-optimization/27136
12619 * tree-ssa-loop-niter.c (get_val_for): Correct function
12620 comment, assert requirements.
12621 (loop_niter_by_eval): Stop processing if the iterated
12622 value did not simplify.
12624 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12626 * opts.c (flag_see): remove its setting at -O3.
12628 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12630 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12631 * arm/constraints.md: New file.
12632 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12633 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12634 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12635 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12636 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12637 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12638 * arm.md: Include constraints.md.
12639 (thumb_movsi_insn): Use satisfies_constraint_J.
12640 (movhi, movqi): Use satisfies_constraint_I.
12642 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12644 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12645 for atmeg a645 device.
12647 2006-05-06 Richard Guenther <rguenther@suse.de>
12649 PR tree-optimization/27151
12650 * tree-vect-transform.c (vectorizable_condition): Punt on
12651 values that have a different type than the condition.
12653 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12656 * c-parser.c (c_parser_cast_expression): Only insert casts into
12657 hash table if pointer.
12658 * function.c (used_types_insert_helper): Rename from
12660 (used_types_insert): Call used_types_insert_helper.
12661 * function.h (used_types_insert): Accept only one argument.
12663 2006-05-05 David Edelsohn <edesohn@gnu.org>
12665 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12666 scratch with output modifier.
12668 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12671 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12672 with output modifier.
12674 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12677 * config/mips/mips.c (mips_symbolic_address_p): Return true
12678 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12679 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12681 2006-05-04 Richard Guenther <rguenther@suse.de>
12683 PR tree-optimization/14287
12684 PR tree-optimization/14844
12685 PR tree-optimization/19792
12686 PR tree-optimization/21608
12687 PR tree-optimization/27090
12688 * tree-ssa-pre.c (try_combine_conversion): New function.
12689 (compute_avail): After constructing the value-handle
12690 expression, use try_combine_conversion to combine NOP_EXPRs
12691 with previous value-handle expressions and use the result if it
12694 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12696 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12698 2006-05-04 Jan Hubicka <jh@suse.cz>
12700 PR middle-end/25962
12701 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12703 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12705 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12706 that this only matches CONST_INTs. All users changed to VOIDmode
12709 * config/bfin/bfin.c: Include "optabs.h".
12710 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12712 (enum bfin_builtins): Add a number of fractional and vector builtins.
12713 (bfin_init_builtins): Likewise.
12714 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12715 (safe_vector_operand, bfin_expand_binop_builtin,
12716 bfin_expand_unop_builtin): New functions.
12717 (bfin_expand_builtin): Handle the new builtins.
12718 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12721 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12724 * Makefile.in (OBJS-common): Add see.o.
12725 (see.o): Add dependencies.
12726 * common.opt (fsee): New flag for the see optimization was added.
12727 * opts.c (flag_see): Initialized.
12728 * passes.c (init_optimization_passes, pass_see): New pass.
12729 * rtl.h (see_main): Declaration as extern.
12730 * timevar.def (TV_SEE): New.
12731 * tree-pass.h (pass_see): Declaration as extern.
12732 * invoke.texi (-fsee): Document.
12733 * recog.c (validate_simplify_insn): New function.
12734 * recog.h (validate_simplify_insn): Declaration as extern.
12735 * df-problems.c (df_chain_dump): Check for NULL.
12737 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12738 Daniel Berlin <dberlin@dberlin.org>
12740 * cfgrtl.c (insert_insn_bb_end_new): New function.
12741 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12743 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12745 * df.h (struct web_entry): Moved from web.c.
12746 (union_defs): Declaration as extern.
12747 (unionfind_root): Likewise.
12748 (unionfind_union): Likewise.
12749 * web.c (struct web_entry): Moved to df.h.
12750 (unionfind_root): Remove static declaration.
12751 (unionfind_union): Likewise.
12752 (union_defs): Likewise and generalize to use callback function.
12753 (web_main): Update arguments for union_defs function call.
12755 2006-05-04 Richard Guenther <rguenther@suse.de>
12757 PR tree-optimization/26447
12758 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12759 produce SSA_NAME copies before the store stmt to avoid
12760 breaking exception handling.
12762 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12764 PR middle-end/27388
12765 * gimplify.c (omp_is_private): If var is shared in some outer context,
12766 return false instead of true. Stop searching on parallel context
12769 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12772 * coverage.c: Use get_gcov_unsigned_t() instead of
12773 unsigned_type_node all over.
12775 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12777 PR tree-optimization/27381
12778 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12779 maintain the same immediate_use links.
12780 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12781 node rather than segfaulting.
12783 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12786 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12787 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12788 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12790 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12792 Fix PR tree-optimization/26626
12793 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12795 * tree-ssa-operands.c (access_can_touch_variable): Allow
12796 typecasting through union pointers.
12798 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12801 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12802 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12803 to find if var will be a global variable even in the nested context.
12804 (omp_copy_decl): Only check for global variable at the end, it might
12805 be overridden in outer contexts.
12806 (scan_sharing_clauses): For global variables don't create a field.
12807 (lower_rec_input_clauses): Do nothing for global shared variables.
12808 Emit a barrier at the end of ILIST if there were any decls in both
12809 firstprivate and lastprivate clauses.
12810 (lower_send_clauses): Do nothing for global variables except for
12813 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12815 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12816 of the correct signedness is returned.
12818 2006-05-02 Jeff Law <law@redhat.com>
12820 PR tree-optimization/27364
12821 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12822 multiply expressions.
12824 2006-05-02 Tom Tromey <tromey@redhat.com>
12826 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12828 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12831 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12832 -mthumb -fPIC are used.
12834 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12835 Joshua Kinard <kumba@gentoo.org>
12838 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12839 with 64-bit pointers.
12841 2006-05-02 Paul Brook <paul@codesourcery.com>
12843 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12845 (create_fix_barrier): Check that a suitable barrier location is
12847 (arm_reorg): Include ftmp->address in allowable range of addresses.
12849 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12852 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12855 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12857 PR middle-end/27337
12858 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12859 around RESULT_DECL for result passed by reference.
12860 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12861 * omp-low.c (use_pointer_for_field): Don't look at
12862 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12863 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12864 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12865 time or var for passing by reference for
12866 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12867 TREE_ADDRESSABLE variables when passing by reference.
12869 * omp-low.c (dump_omp_region): Fix output formatting.
12871 PR middle-end/27328
12872 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12873 (expand_omp_parallel): Likewise.
12874 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12876 PR middle-end/27325
12877 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12878 on statement list containing also constructors and destructors.
12879 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12881 PR middle-end/27310
12882 * except.c (duplicate_eh_regions): Fix clearing of
12883 cfun->eh->region_array entries.
12885 2006-05-01 DJ Delorie <dj@redhat.com>
12887 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12889 (gcc_cv_objdump): Likewise.
12890 * configure: Regenerated.
12892 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12895 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12896 templates for case 3 and 4.
12898 2006-05-01 DJ Delorie <dj@redhat.com>
12900 * vec.c: Include bconfig.h when appropriate.
12901 * Makefile.in (build/vec.o): Adjust dependencies.
12902 * mkconfig.sh: Make sure config.h isn't used for build machine
12905 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12907 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12909 (mark_phi_for_rewrite): New function.
12910 (insert_phi_nodes_for, mark_use_interesting): Call
12911 mark_phi_for_rewrite.
12912 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12913 (update_ssa): Initialize and free phis_to_rewrite.
12915 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12917 PR rtl-optimization/27291
12918 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12919 folded to a constant.
12921 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12923 PR tree-optimization/27283
12924 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12925 not whole # of iteration descriptions.
12926 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12927 uses abnormal ssa name.
12928 (niter_for_single_dom_exit): Ditto.
12929 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12930 return just the number of iterations.
12932 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12934 PR tree-optimization/27144
12935 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12936 (record_estimate): Only record constant upper bound.
12937 (infer_loop_bounds_from_undefined): Call
12938 compute_estimated_nb_iterations just once.
12939 (proved_non_wrapping_p): Renamed to ...
12940 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12941 (convert_step_widening, scev_probably_wraps_p): Call
12942 n_of_executions_at_most instead of proved_non_wrapping_p.
12943 (substitute_in_loop_info): Do not replace values in bounds.
12944 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12947 2006-05-01 Richard Henderson <rth@redhat.com>
12950 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12951 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12954 2006-05-01 Roger Sayle <roger@eyesopen.com>
12956 * c-typeck.c (parser_build_binary_op): Don't call the function
12957 unsigned_conversion_warning to spot operand/result type overflow.
12958 (build_binary_op): Instead, call convert_and_check instead of
12959 convert to report the problem when the operands are promoted.
12960 * c-common.c (unsigned_conversion_warning): Make static.
12961 * c-common.h (unsigned_conversion_warning): Delete prototype.
12963 2006-05-01 Richard Guenther <rguenther@suse.de>
12965 PR tree-optimization/26726
12966 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12968 (find_interesting_uses_address): ... we work around here
12969 by folding INDIRECT_REFs in the substituted base.
12971 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12973 * omp-low.c (dump_omp_region): Add newlines.
12975 2006-04-30 Roger Sayle <roger@eyesopen.com>
12977 * common.opt (Woverflow): New command line option.
12978 * c-common.c (constant_expression_warning): Check warn_overflow.
12979 (overflow_waring): Pass OPT_Woverflow to warning.
12980 (unsigned_conversion_warning): Likewise.
12981 (convert_and_check): Likewise.
12982 * doc/invoke.texi: Document new command line option.
12984 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12986 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12987 TARGET_NO_FP_IN_TOC for section anchors.
12988 (optimization_options): Enable section anchors for all
12989 non-"Objective" languages.
12991 2006-04-28 Eric Christopher <echristo@apple.com>
12993 * config/darwin-c.c (darwin_ms_struct): Move this
12994 (darwin_set_default_type_attributes): and this...
12995 * config/darwin.c: ... here.
12996 * config/darwin.h (darwin_ms_struct): Declare.
12998 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13000 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13002 2006-04-28 Roger Sayle <roger@eyesopen.com>
13005 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13006 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13007 an unsigned HOST_WIDE_INT.
13008 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13010 (really_start_incremental_init): No need to call convert because
13011 bitsize_zero_node is already of type bitsizetype.
13012 (push_init_level): Extract the value of constructor_index as an
13013 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13014 (process_init_element): Likewise.
13016 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13018 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13019 value before passing to make_relative_prefix.
13021 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13023 PR middle-end/27260
13024 * builtins.c (expand_builtin_memset): Expand val in original mode.
13026 2006-04-27 Eric Christopher <echristo@apple.com>
13028 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13029 with #ifndef/#endif.
13030 * config/darwin-c.c (darwin_ms_struct): New.
13031 (darwin_pragma_ms_struct): Ditto.
13032 (darwin_set_default_type_attributes): Ditto.
13033 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13034 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13035 Register ms_struct pragma.
13036 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13037 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13038 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13039 darwin_set_default_type_attributes if TARGET_MACHO.
13041 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13043 PR tree-optimization/26854
13044 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13045 * doc/tree-ssa.texi: Update immuse iterator documentation.
13046 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13047 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13048 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13049 first_safe_imm_use, next_safe_imm_use): Remove.
13050 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13051 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13052 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13053 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13054 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13055 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13056 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13057 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13058 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13059 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13060 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13061 (perfect_nestify): Use new iterator.
13062 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13064 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13065 (next_imm_name): New field in struct immediate_use_iterator_d.
13066 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13067 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13068 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13069 * tree-cfg.c (replace_uses_by): Use new iterator.
13070 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13071 * tree-ssa-operands.c (correct_use_link): Remove.
13072 (finalize_ssa_use_ops): No longer call correct_use_link.
13074 2006-04-27 Stuart Hastings <stuart@apple.com>
13076 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13077 * config/t-darwin (crt3.o): Use it.
13078 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13079 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13080 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13081 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13082 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13085 2006-04-27 Roger Sayle <roger@eyesopen.com>
13087 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13088 size, force the intermediate into a new pseudo rather instead of
13089 performing both a bitwise AND and a bitwise IOR in memory.
13091 2006-04-27 Richard Guenther <rguenther@suse.de>
13093 PR rtl-optimization/26685
13094 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13095 this one "max-flow-memory-locations".
13097 2006-04-27 Richard Guenther <rguenther@suse.de>
13099 PR tree-optimization/25148
13100 * tree-vrp.c (compare_values): Remove code dealing with
13101 comparisons against type min/max value. Honour overflow
13102 and negative constants in code dealing with comparisons
13103 of plus and minus expressions.
13104 (value_inside_range): Use fold_binary with LE_EXPR and
13105 GE_EXPR rather than compare_values.
13107 2006-04-27 Dirk Mueller <dmueller@suse.de>
13109 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13112 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13114 * basic-block.h (safe_insert_insn_on_edge): Removed.
13115 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13117 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13118 Paolo Bonzini <bonzini@gnu.org>
13120 PR middle-end/27282
13121 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13122 (simplify_and_const_int): Same.
13124 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13126 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13128 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13131 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13132 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13133 cgraph_global_info_ready.
13135 PR middle-end/26913
13136 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13139 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13140 either decl or init is error_mark_node.
13142 PR middle-end/25989
13143 * tree-flow.h (struct omp_region): Add sched_kind.
13144 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13145 instead of extracting omp for data.
13146 (expand_omp_for): Save extracted sched_kind.
13148 2006-04-25 Roger Sayle <roger@eyesopen.com>
13150 * expmed.c (store_bit_field): Also check whether the bitsize is
13151 valid for the machine's "insv" instruction before moving the
13152 target into a pseudo for use with the insv.
13153 * config/i386/predicates.md (const8_operand): New predicate.
13154 * config/i386/i386.md (extv, extzv, insv): Use the new
13155 const8_operand predicate where appropriate.
13157 2006-04-25 DJ Delorie <dj@redhat.com>
13159 * doc/install.texi (Specific): Clarify that this is not a list of
13160 supported hosts or targets.
13162 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13164 PR rtl-optimization/26725
13165 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13166 block's BB_DIRTY flag.
13168 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13170 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13173 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13174 to print an integer.
13176 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13178 * varasm.c (align_variable): New function.
13179 (get_block_for_decl): Apply align_variable to DECL before
13180 calculating section information.
13181 (assemble_variable): Split out alignment computation.
13183 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13185 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13188 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13190 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13191 MODE_PARTIAL_INT mode.
13192 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13193 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13195 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13196 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13198 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13200 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13202 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13203 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13204 MACFLAG_IH): Likewise.
13205 (movstricthi_1): Renamed from "*movstricthi".
13206 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13207 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13208 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13209 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13210 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13211 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13212 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13213 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13214 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13215 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13216 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13217 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13218 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13219 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13220 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13222 * doc/rtl.texi (ss_ashift): Improve wording.
13224 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13226 * dwarf2out.c (verify_marks_clear): New.
13227 (prune_unused_types): Call verify_marks_clear initially, not
13230 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13232 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13233 * doc/rtl.texi: Document them.
13234 * simplify-rtx.c (simplify_unary_operation,
13235 simplify_binary_operation_1): Don't abort when we see them.
13237 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13240 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13241 * configure.ac: Completely disregard languages that are not
13243 * configure: Regenerated.
13245 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13246 Richard Guenther <rguenther@suse.de>
13248 PR tree-optimization/27236
13249 * tree-inline.c (copy_body_r): Make sure to copy
13250 TREE_THIS_VOLATILE flag.
13252 2006-04-24 Richard Guenther <rguenther@suse.de>
13254 PR middle-end/26869
13255 * tree-complex.c (update_parameter_components): Don't handle
13256 unused parameters which have no default def.
13258 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13259 Richard Guenther <rguenther@suse.de>
13261 PR tree-optimization/27218
13262 * tree-inline.c (expand_call_inline): Strip useless type
13263 conversions for the return slot address.
13265 2006-04-24 Richard Guenther <rguenther@suse.de>
13267 * cfgloop.h (struct loops): Remove unused field array. Reorder
13269 (LOOP_PREFETCH): Remove.
13271 2006-04-24 Richard Guenther <rguenther@suse.de>
13273 PR tree-optimization/22525
13274 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13275 variable, adjust types of generated expressions.
13277 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13279 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13280 (tree-vect-patterns.o): Likewise.
13281 (jump.o): Likewise.
13282 (cselib.o): Likewise.
13283 (loop-doloop.o): Likewise.
13284 (regclass.o): Likewise.
13285 (reload1.o): Likewise.
13286 (explow.o): Replace target.h with $(TARGET_H).
13287 (ipa-prop.o): Likewise.
13288 (ipa-cp.o): Likewise.
13289 (ipa-inline.o): Likewise.
13290 (reorg.o): Likewise.
13291 (reg-stack.o): Likewise.
13293 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13295 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13297 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13299 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13301 * configure.ac: Completely disregard languages that are not
13303 * configure: Regenerated.
13306 * c-common.h (c_build_bitfield_integer_type): Declare.
13307 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13308 * c-common.c (c_build_bitfield_integer_type): ... here.
13310 2006-04-23 Roger Sayle <roger@eyesopen.com>
13313 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13314 a SImode SUBREG of a floating point register after no_new_pseudos.
13316 2006-04-23 Roger Sayle <roger@eyesopen.com>
13318 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13319 identify potentially eliminable registers to additionally catch
13320 VIRTUAL_INCOMING_ARGS_REGNUM.
13321 (addsi3): Update the conditions on when to use addsi_small_int.
13323 2006-04-23 Roger Sayle <roger@eyesopen.com>
13326 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13327 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13328 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13330 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13332 * fold-const.c (range_predecessor): Use operand_equal_p
13333 as the predicate for equality.
13334 (range_successor): Likewise.
13336 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13339 * config/soft-fp/op-common.h: Fix a typo.
13341 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13343 PR libmudflap/26864
13344 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13345 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13347 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13349 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13351 * doc/tm.texi: Fix a typo.
13353 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13355 * dwarf2out.c (struct die_struct): Document that die_sib makes
13356 a circular linked list.
13357 (FOR_EACH_CHILD): New.
13358 (reverse_die_lists): Delete.
13359 (reverse_all_dies): Delete.
13360 (add_dwarf_attr): Correct documentation.
13361 (remove_child_with_prev): New.
13362 (remove_child_TAG): Update for change to die_struct, use
13363 remove_child_with_prev.
13364 (add_child_die): Update for change to die_struct.
13365 (splice_child_die): Use remove_child_with_prev and add_child_die.
13366 (print_die): Use FOR_EACH_CHILD.
13367 (die_checksum): Likewise.
13368 (assign_symbol_names): Likewise.
13369 (output_location_lists): Likewise.
13370 (build_abbrev_table): Likewise.
13371 (calc_die_sizes): Likewise.
13372 (mark_dies): Likewise.
13373 (unmark_dies): Likewise.
13374 (unmark_all_dies): Likewise.
13375 (output_die): Likewise.
13376 (prune_unused_types_mark): Likewise.
13377 (prune_unused_types_walk): Likewise.
13378 (same_die_p): Update for change to die_struct.
13379 (break_out_includes): Likewise.
13380 (prune_unused_types_prune): Likewise.
13381 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13382 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13383 it's already clear.
13384 (dwarf2out_finish): Don't call reverse_all_dies.
13386 2006-04-21 Eric Christopher <echristo@apple.com>
13388 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13389 in comments and function names.
13391 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13394 * c-typeck.c (digest_init): Robustify.
13396 * c-typeck.c (pop_init_level): Simplify.
13398 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13400 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13402 2006-04-21 Paul Brook <paul@codesourcery.com>
13404 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13405 hardware floating point.
13407 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13409 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13412 2006-04-21 Nick Clifton <nickc@redhat.com>
13414 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13417 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13420 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13421 C++ lang type in traceback table for Objective-C++.
13423 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13425 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13427 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13429 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13432 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13433 were errors. Remove check for erroneous objects.
13435 2006-04-20 Jeff Law <law@redhat.com>
13437 PR tree-optimization/26854
13438 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13439 checking for zero or one use.
13440 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13441 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13442 * tree-ssa-reassoc.c (negate_value): Similarly.
13443 (reassociate_bb): Similarly.
13445 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13448 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13449 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13450 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13452 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13454 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13455 fp regs if the last fp arg doesn't fit in regs.
13457 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13460 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13461 that the last insn has the REG_INC note.
13463 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13464 Nathan Sidwell <nathan@codesourcery.com>
13467 * stor-layout.c (update_alignment_for_field): Do not align
13469 (place_union_field): Place union field at the start of the union.
13470 (place_field): Move ERROR_MARK check later, and use the current
13471 allocation position to maintain monotonicity.
13473 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13475 * dominance.c: Include timevar.h.
13476 (calculate_dominance_info): Use TV_DOMINANCE.
13477 * timevar.def (TV_DOMINANCE): New timevar.
13478 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13480 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13482 PR rtl-optimization/14261
13483 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13484 move would be an INSV insn.
13485 (noce_process_if_block): Don't optimize if the destination is a
13486 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13488 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13490 * config/s390/s390.md: Add comments with the instructions emitted
13491 by an insn pattern if macros are used.
13493 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13495 PR rtl-optimization/26026
13496 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13497 is a known power of two shifted left a variable amount.
13499 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13501 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13502 to hash table twice when the debug_str section has SECTION_MERGE.
13504 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13506 * config/soft-fp: New directory. From glibc.
13507 * config/soft-fp/t-softfp: New.
13508 * config/soft-fp/README: New.
13509 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13510 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13511 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13512 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13513 * config.gcc: Use rs6000/t-fprules-fpbit or
13514 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13516 * config/rs6000/sfp-machine.h: New. Based on glibc.
13517 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13519 * config/rs6000/t-fprules: Remove fp-bit rules.
13520 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13521 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13522 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13523 (softfp_wrap_start, softfp_wrap_end): New.
13525 2006-04-18 DJ Delorie <dj@redhat.com>
13527 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13529 2006-04-18 Devang Patel <dpatel@apple.com>
13531 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13533 2006-04-18 Nick Clifton <nickc@redhat.com>
13535 * config/sh/t-symbian: Add rule to build sh-c.o
13536 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13537 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13538 (sh_symbian_encode_section_info): Likewise.
13540 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13542 * builtins.c (expand_builtin_strcmp): Cover label definition of
13543 do_libcall with HAVE_cmpstrnsi.
13545 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13547 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13549 * function.h (temp_slot_p): New.
13550 (function): Change the type of x_used_temp_slots to
13551 VEC(temp_slot_p,gc) *.
13553 2006-04-18 Nick Clifton <nickc@redhat.com>
13555 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13556 flag_strength_reduce.
13558 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13560 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13564 Partial revert of revision 112637
13565 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13566 Dale Johannesen <dalej@apple.com>
13569 * regclass.c (struct reg_pref): Update documentation.
13570 (regclass): Set prefclass to NO_REGS if memory is the best option.
13571 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13573 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13575 PR tree-optimization/26821
13576 * tree-ssa-math-opts.c (get_constant_one): New.
13577 (insert_reciprocals): Use it.
13579 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13581 * dwarf2out.c (free_AT): Delete.
13582 (remove_AT): Update string ref counts.
13583 (remove_child_TAG): Don't call free_die.
13584 (free_die): Delete.
13585 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13586 or DW_TAG_GNU_EINCL.
13587 (prune_unused_types_walk_attribs): Reset string refcounts.
13588 (prune_unused_types_update_strings): New.
13589 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13590 call free_die. Do call prune_unused_types_update_strings.
13591 (prune_unused_types): Empty debug_str_hash.
13593 2006-04-17 Roger Sayle <roger@eyesopen.com>
13595 * expr.c (expand_assignment): Optimize away no-op moves where the
13596 source and destination are equal and have no side-effects.
13598 2006-04-17 Richard Guenther <rguenther@suse.de>
13601 * reload.c (push_reload): Guard calls to get_secondary_mem
13602 for memory subregs.
13604 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13606 * alias.c (reg_base_value, old_reg_base_value): Change the
13607 type to VEC(rtx,gc) *.
13608 (REG_BASE_VALUE, find_base_value, record_set,
13609 init_alias_analysis): Use VEC instead of VARRAY.
13611 * alias.c (alias_sets): Change the type to
13612 VEC(alias_set_entry,gc) *.
13613 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13614 VEC instead of VARRAY.
13615 (last_alias_set): Remove.
13617 * cgraph.h (cgraph_edge_p): New.
13618 Update the prototype of cgraph_function_versioning.
13619 * cgraphunit.c (cgraph_copy_node_for_versioning,
13620 cgraph_function_versioning): Use VEC instead of VARRAY.
13621 * ipa-cp.c (ipcp_insert_stage): Likewise.
13623 2006-04-16 Roger Sayle <roger@eyesopen.com>
13626 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13627 "A op B" or "A op C", we may need to convert A to the type of B and C.
13629 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13631 * target.h (struct gcc_target): Add mode_rep_extended.
13632 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13633 (init_num_sign_bit_copies_in_rep): Initialize it using
13635 (truncate_to_mode): Use it.
13636 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13637 * targhooks.h (default_mode_rep_extended): Declare it.
13638 * targhooks.c (default_mode_rep_extended): Define it.
13639 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13640 default_mode_rep_extended.
13641 (TARGET_INITIALIZER): Include it.
13642 * doc/tm.texi (Misc): Document it.
13643 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13644 (mips_truncated_to_mode): New function.
13646 2006-04-16 Roger Sayle <roger@eyesopen.com>
13648 PR middle-end/25474
13649 * expr.c (compress_float_constant): Copy the narrow constant into
13650 a new pseudo before extending it to its final width.
13652 2006-04-16 Roger Sayle <roger@eyesopen.com>
13653 Andrew Pinski <pinskia@gcc.gnu.org>
13654 Dale Johannesen <dalej@apple.com>
13657 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13658 special case code to implement V8HImode and V16QImode with SSE2.
13660 2006-04-15 Roger Sayle <roger@eyesopen.com>
13662 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13663 trees are constructed with a suitable tree type.
13665 2006-04-15 Roger Sayle <roger@eyesopen.com>
13667 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13668 (integer_onep): Likewise.
13669 (integer_all_onesp): Likewise.
13670 (integer_pow2p): Likewise.
13671 (integer_nonzerop): Likewise.
13672 (real_zerop): Likewise.
13673 (real_onep): Likewise.
13674 (real_twop): Likewise.
13675 (real_minus_onep): Likewise.
13676 (int_size_in_bytes): Likewise.
13677 (host_integerp): Likewise.
13679 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13681 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13682 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13683 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13685 * tree-ssa-structalias.h (alias_info): Remove num_references.
13687 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13689 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13690 (output_bvb patterns): Likewise.
13691 * pa.c (output_bb): Use 'bb' insn for long branch case.
13692 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13693 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13694 1. Correct length operand for alternatives 1 and 2.
13695 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13696 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13698 2006-04-14 Roger Sayle <roger@eyesopen.com>
13700 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13701 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13702 were accidentally reverted by r112959.
13704 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13706 PR middle-end/26823
13707 * except.h (eh_region_outermost): New prototype.
13708 * except.c (eh_region_outermost): New function.
13709 * tree-cfg.c (find_outermost_region_in_block): Use it.
13711 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13713 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13715 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13716 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13717 (init_reload, reload): Use VEC instead of VARRAY.
13718 * reload.h: Update the prototype for
13719 reg_equiv_memory_loc_varray.
13721 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13722 Eric Botcazou <ebotcazou@libertysurf.fr>
13724 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13725 register save area.
13727 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13729 PR middle-end/27134
13730 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13731 to expand fallback builtin function call.
13733 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13735 PR middle-end/27095
13736 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13737 and emit libcall here in case the builtin fails.
13738 (expand_builtin_strcmp): Always emit the libcall here on failure.
13740 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13742 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13743 * flow.c (reg_n_info): Change the type to
13744 VEC(reg_info_p,heap) *.
13745 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13747 * regs.h (reg_info_p): New.
13748 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13749 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13750 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13753 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13755 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13757 * params.h (MAX_SCHED_READY_INSNS): New macro.
13758 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13759 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13760 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13761 the ready list for 1 cycle during the first scheduling pass.
13762 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13764 2006-04-13 Richard Henderson <rth@redhat.com>
13767 * gimple-low.c (lower_omp_directive): Remove dead code.
13768 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13769 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13770 * omp-low.c (struct omp_region): Move to tree-flow.h.
13771 (root_omp_region): Export.
13772 (omp_regions, lookup_omp_region): Remove.
13773 (determine_parallel_type): Update for struct omp_region changes.
13774 (dump_omp_region): Dump regions with block numbers.
13775 (new_omp_region): Take type and block instead of stmt; malloc
13777 (free_omp_region_1, free_omp_regions): New.
13778 (expand_parallel_call): Take entry_stmt as argument; update for
13779 changes to omp_region.
13780 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13781 (remove_exit_barriers): New.
13782 (expand_omp_parallel): Update for struct omp_region changes.
13783 (expand_omp_synch): Likewise.
13784 (expand_omp): Likewise.
13785 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13786 (expand_omp_for_static_chunk): Likewise.
13787 (expand_omp_for): Likewise.
13788 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13789 (expand_omp_sections): Similarly, with GOMP_sections_end.
13790 (expand_omp_single): New.
13791 (build_omp_regions_1): Update for OMP_CONTINUE.
13792 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13793 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13794 OMP_SECTIONS_SECTIONS.
13795 (lower_omp_single_simple): Don't emit barrier here.
13796 (lower_omp_single_copy): Likewise.
13797 (lower_omp_single): Fix bindings, and lower to straightline now.
13798 (lower_omp_master, lower_omp_ordered): Likewise.
13799 (lower_omp_critical): Likewise.
13800 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13801 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13802 omp edges, free it afterward.
13803 (make_omp_sections_edges): Remove.
13804 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13805 (move_stmt_r): Handle OMP_CONTINUE.
13806 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13807 statement pointers to basic blocks. Add type member.
13808 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13809 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13810 * tree-inline.c (estimate_num_insns_1): Likewise.
13811 * tree-pretty-print.c (dump_generic_node): Likewise.
13812 * tree-ssa-operands.c (get_expr_operands): Likewise.
13813 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13814 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13815 (OMP_CONTINUE): New.
13816 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13817 (OMP_SECTIONS_SECTIONS): Remove.
13818 (OMP_SECTION_LAST): New.
13819 (OMP_RETURN_NOWAIT): New.
13821 2006-04-13 Roger Sayle <roger@eyesopen.com>
13823 * fold-const.c (native_encode_vector, native_interpret_real):
13824 Correct obvious mistakes in the previous check-in.
13826 2006-04-13 Roger Sayle <roger@eyesopen.com>
13828 * fold-const.c (native_encode_expr): New function to encode
13829 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13830 or VECTOR_CST into a specified buffer.
13831 (native_encode_int): New function.
13832 (native_encode_real): New function.
13833 (native_encode_complex): New function.
13834 (native_encode_vector): New function.
13835 (native_interpret_expr): Inverse of native_encode_expr to convert
13836 a target representation into an INTEGER_CST, REAL_CST etc...
13837 (native_interpret_int): New function.
13838 (native_interpret_real): New function.
13839 (native_interpret_complex): New function.
13840 (native_interpret_vector): New function.
13841 (fold_view_convert_expr): New function to constant fold/evaluate
13842 a VIEW_CONVERT_EXPR of a suitable constant expression.
13843 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13844 Change call of build1 to fold_build1 when constructing a
13847 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13848 Ulrich Weigand <uweigand@de.ibm.com>
13851 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13854 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13857 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13858 optimize to lo_sum for DFmode if !TARGET_FPRS.
13860 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13862 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13863 delete_alias_info, compute_flow_sensitive_aliasing,
13864 group_aliases): Use VEC instead of VARRAY.
13865 * tree-ssa-structalias.c (update_alias_info): Likewise.
13866 * tree-ssa-structalias.h (alias_info): Change the type of
13867 processed_ptrs to VEC(tree,heap) *.
13869 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13872 * config/sh/lib1funcs.h: New file, broken out of:
13873 * config/sh/lib1funcs.asm.
13874 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13876 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13877 * config/sh/lib1funcs-Os-4-200.asm: New file.
13878 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13879 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13880 (EXTRA_MULTILIB_PARTS): Include it.
13881 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13882 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13883 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13884 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13887 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13889 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13890 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13891 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13893 * tree-ssa-live.h: Include vecprim.h.
13894 (tree_partition_associator_d): Change the type of
13895 first_partition to VEC(int,heap) *.
13896 (tpa_first_partition): Use VEC instead of VARRAY.
13898 * Makefile.in (GTFILES): Move functions.h after tree.h.
13899 * function.c (reset_block_changes, record_block_change,
13900 check_block_change, free_block_changes): Use VEC instead of
13902 * function.h (function): Change the type of
13903 ib_boundaries_block to VEC(tree,gc) *.
13904 * tree-inline.c (copy_cfg_body): Initialize
13905 ib_boundaries_block to NULL instead of (varray_type) 0.
13907 2006-04-12 Roger Sayle <roger@eyesopen.com>
13909 * expr.c (emit_group_store): Correct operand order in call to
13910 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13911 a SUBREG_BYTE of zero.
13913 2006-04-12 Richard Guenther <rguenther@suse.de>
13915 * profile.c (compute_branch_probabilities): Remove code
13916 encapsulated in !ir_type (), which are remanents of the
13917 removed RTL profiling code.
13918 * rtl-profile.c: Remove.
13920 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13922 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13923 magic NULL_RTX comment.
13924 (function_arg): Store entire fp arg to mem if any part should go
13926 (rs6000_arg_partial_bytes): Adjust for above change.
13928 2006-04-11 Roger Sayle <roger@eyesopen.com>
13930 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13931 if it hasn't been initialized by dwarf2out_init.
13933 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13935 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13936 symbolic constants in branch patterns.
13938 2006-04-11 Roger Sayle <roger@eyesopen.com>
13940 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13942 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13944 PR rtl-optimization/27073
13945 * gcse.c (try_replace_reg): Revert last change. Continue to search
13946 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13949 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13951 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13952 aggregate types other than record and union types.
13953 (function_arg): Likewise.
13954 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13956 (function_value): In 64-bit mode, return objects that require it
13959 2006-04-11 Roger Sayle <roger@eyesopen.com>
13961 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13963 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13965 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13967 2006-04-03 Jeff Law <law@redhat.com>
13970 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13971 alias information too.
13973 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13975 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13977 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13980 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13981 (premark_used_types_helper): New.
13982 (premark_used_types): New.
13983 (gen_subprogram_die): Call premark_used_types.
13984 (prune_unused_types_walk): Do not prune perennial dies.
13985 * function.c (used_types_insert): New.
13986 * function.h (struct function): Add used_types_hash field.
13987 (used_types_insert): Add prototype.
13988 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13989 * c-parser.c (c_parser_cast_expression): Save casted types in used
13992 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13995 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13996 rs6000_explicit_options.float_gprs.
13998 2006-04-10 Roger Sayle <roger@eyesopen.com>
14000 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14001 from ix86_expand_vector_init_low_nonzero. Take an additional
14002 one_var argument indicating which element is non-zero. Support
14003 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14004 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14005 with one_var instead of ix86_expand_vector_init_low_nonzero.
14007 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14009 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14010 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14011 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14012 build/genextract.o): Depend on vecprim.h.
14013 * cfglayout.c, df-problems.c, function.c, genextract.c,
14014 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14015 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14019 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14021 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14022 Declare VECs of this type.
14023 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14024 (remove_children): Delete.
14025 (add_dwarf_attr): Use VEC routines.
14026 (add_AT_flag): Update for changes to add_dwarf_attr.
14027 (add_AT_int): Likewise.
14028 (add_AT_unsigned): Likewise.
14029 (add_AT_long_long): Likewise.
14030 (add_AT_vec): Likewise.
14031 (add_AT_string): Likewise.
14032 (add_AT_die_ref): Likewise.
14033 (add_AT_fde_ref): Likewise.
14034 (add_AT_loc): Likewise.
14035 (add_AT_loc_list): Likewise.
14036 (add_AT_addr): Likewise.
14037 (add_AT_lbl_id): Likewise.
14038 (add_AT_lineptr): Likewise.
14039 (add_AT_macptr): Likewise.
14040 (add_AT_offset): Likewise.
14041 (add_AT_range_list): Likewise.
14042 (get_AT): Use VEC_iterate.
14043 (remove_AT): Use VEC_ordered_remove.
14044 (free_die): Fold remove_children into here; have it use VEC_iterate.
14045 (print_die): Use VEC_iterate on attrs.
14046 (reverse_die_lists): Don't reverse attr lists.
14047 (die_checksum): Use VEC_iterate on attrs.
14048 (same_die_p): Likewise.
14049 (output_location_lists): Likewise.
14050 (build_abbrev_table): Likewise.
14051 (size_of_die): Likewise.
14052 (unmark_all_dies): Likewise.
14053 (output_abbrev_section): Likewise.
14054 (output_die): Likewise.
14055 (prune_unused_types_walk_attribs): Likewise.
14057 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14059 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14061 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14064 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14066 2006-04-09 Roger Sayle <roger@eyesopen.com>
14068 * expr.c (store_constructor): Don't bother clearing target if
14069 we're about to assign a vector to it using vec_init_optab.
14071 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14073 * tree-ssa-alias.c (lhs_may_store_to): New function.
14074 (recalculate_used_alone): Handle LHS of calls.
14076 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14080 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14081 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14082 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14083 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14084 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14085 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14086 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14087 stubs. Add ".align 8" directives before all ".dword" directives.
14088 (GTHREAD_USE_WEAK): Revise comment.
14089 (TARGET_ATTRIBUTE_WEAK): Define.
14090 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14091 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14092 * stublib.c: New file.
14097 * pa.md (cbranch patterns): Revise arguments used in calls to
14098 output_cbranch, output_bb and output_bvd. Add long branch length
14100 (fbranch patterns): Handle long branches.
14101 (jump): Revise length check. Revise arguments for output_lbranch call.
14102 Add long branch length attributes.
14103 (decrement_and_branch_until_zero): Add long branch length attributes.
14104 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14105 Likewise. Revise arguments for output_parallel_addb and
14106 output_parallel_movb calls.
14107 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14108 output_parallel_movb and output_parallel_addb): Update prototypes.
14109 * pa.c (output_cbranch): Revise arguments. Correct handling of
14110 nullification in long branches.
14111 (output_lbranch): Add new argument to control extraction of delay
14113 (output_bb): Handle long branches.
14114 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14115 output_parallel_addb): Likewise.
14117 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14119 PR rtl-optimization/27073
14120 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14123 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14125 * tree.h (tree_memory_tag): Add old_used_alone.
14126 (SMT_OLD_USED_ALONE): New macro.
14127 * tree-ssa-alias.c (recalculate_used_alone): Stop
14128 marking things for renaming unnecessarily.
14130 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14132 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14133 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14134 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14135 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14136 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14137 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14138 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14139 spelling convensions.
14140 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14141 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14142 typos. Follow spelling conventions.
14144 2006-04-07 DJ Delorie <dj@redhat.com>
14146 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14147 passed on the stack.
14148 (m32c_init_cumulative_args): When a function returns a structure,
14149 always pass the pointer to that return area on the stack.
14150 (m32c_function_arg_advance): Don't increment the parameter number
14151 if we're processing the returned structure pointer.
14152 (pushm_info): Reverse order of registers.
14154 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14156 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14157 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14158 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14159 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14160 build_int_cst_type.
14161 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14162 chrec_fold_multiply): Same.
14163 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14164 force_expr_to_var_cost): Same.
14165 * tree-mudflap.c (mf_xform_derefs_1): Same.
14166 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14168 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14170 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14171 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14174 2006-04-07 Jan Hubicka <jh@suse.cz>
14176 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14178 2006-04-07 Richard Guenther <rguenther@suse.de>
14180 PR tree-optimization/26135
14181 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14182 loads for store copy-prop.
14183 (copy_prop_visit_stmt): Likewise.
14185 2006-04-05 Robert Millan <robertmh@gnu.org>
14187 * config/i386/linux.h: Add a comment to mark macros that are
14188 being overriden in config/k*bsd-gnu.h.
14189 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14191 * config/knetbsd-gnu.h: Ditto.
14193 2006-04-06 Jan Hubicka <jh@suse.cz>
14197 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14200 2006-04-06 Mike Stump <mrs@apple.com>
14202 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14203 for HAVE_nonlocal_goto to be consistent.
14204 (expand_builtin_nonlocal_goto): Likewise.
14205 (expand_builtin_strcmp): Use #ifdef instead of #if
14206 for HAVE_cmpstrnsi to be consistent.
14208 2006-04-05 DJ Delorie <dj@redhat.com>
14210 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14213 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14215 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14216 got-relative addressing for anything but SImode.
14218 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14219 even if the calling function doesn't modify them.
14221 2006-04-05 Richard Guenther <rguenther@suse.de>
14223 PR tree-optimization/26919
14224 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14225 to cgraph_estimate_size_after_inlining.
14227 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14229 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14231 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14233 PR tree-optimization/26996
14234 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14235 VECTOR_TYPE variables.
14237 2006-04-05 Richard Guenther <rguenther@suse.de>
14239 PR tree-optimization/26763
14240 * fold-const.c (fold_comparison): Move folding of
14241 PTR + CST CMP PTR + CST ...
14242 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14244 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14246 * doc/install.texi (Prerequisites): Refine some wording on
14247 bootstrapping and ksh.
14248 Move the version numbers of DejaGnu here from the testing section
14249 and fix casing of names.
14250 Fix markup and clarify wording for autogen requirements.
14251 Refer to GCJ instead of just java.
14252 Refer to SVN instead of CVS.
14253 Describe diffutils as useful instead of necessary.
14254 (Downloading the source): Refer to SVN instead of CVS.
14255 Adjust a link to our web site accordingly.
14256 (Configuration): Fix casing of Bison.
14257 (Building): Refer to SVN instead of CVS.
14258 Fix a sentence on the use of Bison and remove duplicate (and
14259 incorrect) version number of Bison requirement.
14260 Remove one redundant list of packages needed for building.
14261 (Specific): Avoid reference to CVS.
14263 2006-04-04 Eric Christopher <echristo@apple.com>
14265 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14266 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14267 (rs6000_handle_struct_attribute): New.
14268 (rs6000_ms_bitfield_layout_p): Ditto.
14270 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14272 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14273 NULL for dso parameter to atexit_common.
14275 2006-04-04 Eric Christopher <echristo@apple.com>
14277 * config/i386/i386.c (machopic_output_stub): Output \t
14278 between instructions and operands.
14280 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14282 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14283 satisfies_constraint_[IL] to explicit tests on value.
14285 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14287 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14288 set_nb_iterations_in_loop): Use build_int_cst instead of
14289 build_int_cst_type.
14290 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14291 build_int_cst instead of convert.
14293 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14295 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14296 new value 2 for incoming.
14297 * function.c (expand_function_start): Call struct_value_rtx
14298 with incoming as 2.
14299 * config/sparc/sparc.md: Comment updated_return.
14300 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14301 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14302 struct return if sparc_std_struct_return and incoming is 2.
14303 (print_operand): Do not adjust return if
14304 sparc_std_struct_return.
14306 2006-04-04 Roger Sayle <roger@eyesopen.com>
14308 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14309 convert in the middle-end.
14310 * expr.c (store_expr, store_constructor, get_inner_reference,
14311 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14313 * tree.c (build_range_type): Likewise.
14315 2006-04-04 Tom Tromey <tromey@redhat.com>
14317 * doc/install.texi (Prerequisites): Mention jar.
14319 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14321 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14324 2006-04-04 Matthias Klose <doko@debian.org>
14326 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14330 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14333 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14335 * doc/extend.texi (Function Attributes): Rewrite visibility
14336 attribute documentation.
14337 * doc/invoke.texi (C++ Dialect Options): Rewrite
14338 -fvisibility-inlines-hidden documentation to describe something
14339 entirely different, although in practise compatible.
14340 (Code Gen Options): Warn about system headers in -fvisibility=
14343 * doc/extend.texi (Other Builtins): Document that
14344 __builtin_nan is a compile-time constant only when its argument
14347 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14349 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14350 trying to remove TRUNCATE check if all bits outside the new mode
14351 are identical to the sign bit.
14353 2006-04-03 Jeff Law <law@redhat.com>
14355 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14356 and operand scanning in some common cases.
14358 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14359 Dale Johannesen <dalej@apple.com>
14362 * regclass.c (struct reg_pref): Update documentation.
14363 (regclass): Set prefclass to NO_REGS if memory is the best option.
14364 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14365 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14366 into account. For non-registers, equate an empty preferred
14367 reload class to a `!' in the constraint; move the if clause to
14368 do so after those that reject the insn.
14369 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14371 (find_dummy_reload): Likewise.
14372 * doc/tm.texi (Register Classes): Document what it means
14373 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14374 * config/i386/i386.c (ix86_preferred_reload_class): Force
14375 using SSE registers (and return NO_REGS for floating-point
14376 constants) if math is done with SSE.
14377 (ix86_preferred_output_reload_class): New.
14378 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14379 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14380 * config/i386/i386.md: Remove # register preferences.
14382 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14385 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14386 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14387 the type of nb_iter.
14388 (instantiate_parameters_1): Convert the operands before calling
14389 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14390 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14392 2006-04-02 Roger Sayle <roger@eyesopen.com>
14394 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14395 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14396 instead of convert.
14397 * dojump.c (do_jump): Likewise.
14398 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14399 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14400 gimplify_boolean_expr): Likewise.
14401 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14402 * varasm.c (array_size_for_constructor): Likewise.
14403 * tree-object-size.c (compute_object_offset): Likewise.
14405 2006-04-02 Roger Sayle <roger@eyesopen.com>
14407 PR middle-end/26977
14408 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14409 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14411 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14413 PR tree-optimization/26939
14414 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14416 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14418 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14419 at_stmt. Convert the type of operands before calling
14420 build_polynomial_chrec.
14421 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14422 add_to_evolution_1.
14423 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14424 (instantiate_parameters_1): Convert the type of operands before calling
14425 build_polynomial_chrec.
14426 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14427 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14428 reset_evolution_in_loop): Insert asserts to check the types of the
14430 (chrec_type): Moved...
14431 (eq_evolutions_p): Use operand_equal_p.
14432 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14433 the types of the operands.
14434 (chrec_type): ...here.
14435 * tree-data-ref.c (create_data_ref): Convert the operands before
14436 calling chrec_replace_initial_condition.
14437 (same_access_functions, analyze_subscript_affine_affine,
14438 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14439 (compute_subscript_distance, analyze_ziv_subscript,
14440 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14441 analyze_miv_subscript): Convert the operands before calling
14442 chrec_fold_minus or chrec_fold_plus.
14444 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14446 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14447 the dependence_relations vector.
14448 (compute_data_dependences_for_loop): Adjust call to
14449 compute_all_dependences.
14451 2006-04-01 Roger Sayle <roger@eyesopen.com>
14452 Richard Henderson <rth@redhat.com>
14454 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14455 gimple_boolify on the condition before calling gimplify_expr.
14457 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14459 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14460 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14461 the frame size. Update to use the new macros.
14462 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14463 * config/xtensa/ieee754-df.S: Likewise.
14465 2006-03-31 Richard Henderson <rth@redhat.com>
14467 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14468 (make_edges): ... here. Control fallthru creation with a local
14469 variable. Do not play with fake edges.
14470 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14471 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14474 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14476 * dwarf2.h (DW64_CIE_ID): Define.
14477 * dwarf2out.c (DWARF_CIE_ID): Define.
14478 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14479 length header. Use DWARF_CIE_ID.
14480 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14481 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14483 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14485 * config/sh/linux-atomic.asm: New file.
14486 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14488 2006-03-31 DJ Delorie <dj@redhat.com>
14490 * config/m32c/cond.md: Set condition flags properly throughout.
14491 * config/m32c/minmax.md: Likewise.
14492 * config/m32c/prologue.md: Likewise.
14493 * config/m32c/bitops.md: Likewise.
14494 * config/m32c/muldiv.md: Likewise.
14495 * config/m32c/mov.md: Likewise.
14496 * config/m32c/addsub.md: Likewise.
14497 * config/m32c/m32c.md: Likewise.
14498 * config/m32c/jump.md: Likewise.
14499 * config/m32c/shift.md: Likewise.
14501 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14502 conditionally output the pattern for this.
14503 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14504 (m32c_compare_redundant): New.
14505 (m32c_output_compare): New.
14506 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14508 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14509 dest, not src. Allow other 4-byte modes.
14511 2006-03-30 Denis Chertykov <denisc@overta.ru>
14513 * doc/md.texi: Refer to avr/constraints.md instead of
14516 2006-03-30 Roger Sayle <roger@eyesopen.com>
14518 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14519 signed vs. unsigned comparison failures on some hosts.
14521 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14524 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14525 change to FLOAT_REGS.
14527 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14528 (rs6000_override_options): Use it.
14529 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14530 only for -mabi=spe/no-spe and -mabi=altivec.
14532 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14534 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14537 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14539 * Makefile.in: Rename docdir to gcc_docdir.
14541 2006-03-30 Roger Sayle <roger@eyesopen.com>
14544 * expr.c (emit_group_store): Optimize group stores into a pseudo
14545 register by using a paradoxical subreg to initialize the destination
14546 if the first or last member of the group specifies a "low part".
14548 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14551 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14552 * target.h (struct gcc_target.speculate_insn): Change type of the
14553 second parameter to 'int'.
14554 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14555 the second operand of the DEPS_LIST.
14556 (copy_DEPS_LIST_list): Update reference to the second operand of the
14558 * rtl.h (alloc_DEPS_LIST): Update signature.
14559 * sched-int.h (ds_t): Change typedef to 'int'.
14560 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14562 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14564 * haifa-sched.c (try_ready): Change condition to restore
14565 non-speculative pattern of the instruction.
14566 (process_insn_depend_be_in_spec): Code to keep probability of the
14567 speculative dependence non-decreasing.
14569 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14571 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14572 (single_move_for_movmem): ... this. Also change all uses.
14573 (bfin_expand_strmov): Renamed to...
14574 (bfin_expand_movmem): ... this. Also change all uses.
14575 * config/bfin/bfin.md (movstrsi): Renamed to...
14576 (movstrsi): ...this.
14578 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14580 PR tree-optimization/26830
14582 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14583 (copy_prop_visit_stmt): Remove write-only variable ann.
14584 (init_copy_prop): Check variable loop depth here. Do not simulate
14585 memory-tag and virtual operand PHIs except for store copy prop.
14587 2006-03-30 Richard Guenther <rguenther@suse.de>
14589 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14590 variants with double arguments.
14592 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14594 * genpreds.c (write_tm_constrs_h): Delete variable p.
14595 * genconditions.c (write_header): Add tm-constrs.h to included
14597 * genpeep.c (main): Add toplev.h to included headers.
14598 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14599 (build/genpeep.o): Add toplev.h dependency.
14600 * config/rs6000/constraints.md: Add "W" constraint.
14602 2006-03-29 Roger Sayle <roger@eyesopen.com>
14604 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14605 sizes by correctly testing whether the size fits a host integer.
14606 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14607 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14608 SImode range for the default sizetype and bitsizetype.
14610 2006-03-29 Roger Sayle <roger@eyesopen.com>
14612 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14613 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14614 quickly if the argument is already of the correct type.
14615 Call fold_build1 instead of build1. Tidy up blank lines.
14617 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14619 * genemit.c (main): Add tm-constrs.h to included headers.
14620 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14621 * genpeep.c (main): Add tm-constrs.h to included headers.
14622 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14623 (write_tm_constrs_h): this and write complete file.
14624 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14625 (write_insn_preds_c): Add tm-constrs.h to included headers.
14626 (gen_constrs): New variable.
14627 (parse_option): Parse "-c".
14628 (main): Invoke write_tm_constrs_h.
14629 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14630 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14631 (object_out_file): Add tm-constrs.h dependency.
14632 (insn-emit.o): Same.
14633 (insn-output.o): Same.
14634 (insn-peep.o): Same.
14635 (insn-preds.o): Same.
14636 (insn-recog.o): Same.
14637 (tm-constsr.h): New target.
14638 (s-constrs-h): New target.
14640 * config/rs6000/constraints.md: New file.
14641 * config/rs6000/rs6000.c: Include tm-constrs.h.
14642 (num_insn_constant_wide): Convert to satisfies_constraint.
14643 (rs6000_rtx_costs): Convert to satisfies_constraint.
14644 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14645 (CONST_OK_FOR_LETTER_P): Delete.
14646 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14647 (EXTRA_CONSTRAINT): Delete.
14648 (EXTRA_MEMORY_CONSTRAINT): Delete.
14649 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14650 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14651 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14652 satisfies_constraint.
14654 * config/i386/i386.c: Include tm-constrs.h.
14656 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14658 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14659 * tree-data-ref.c (find_data_references_in_loop,
14660 compute_data_dependences_for_loop): Use pointers to VEC.
14661 (analyze_all_data_dependences): Adjust calls.
14662 * tree-data-ref.h (find_data_references_in_loop,
14663 compute_data_dependences_for_loop): Adjust declarations.
14664 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14665 compute_data_dependences_for_loop.
14667 2006-03-29 Paul Brook <paul@codesourcery.com>
14669 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14670 (movdf_vfp): Ditto.
14672 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14674 PR tree-optimization/26859
14675 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14677 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14678 for the step after fold_convert.
14680 2006-03-29 Paul Brook <paul@codesourcery.com>
14682 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14683 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14685 2006-03-29 Paul Brook <paul@codesourcery.com>
14687 PR middle-end/23623
14688 * targhooks.c (default_narrow_bitfield): New fuction.
14689 * targhooks.h (default_narrow_bitfield): add prototype.
14690 * target.h (gcc_target): Add narrow_volatile_bitfield.
14691 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14692 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14693 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14694 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14696 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14698 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14700 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14701 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14702 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14703 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14704 (s390_function_arg_float): Allow SDmode and DDmode values to be
14705 passed in floating point registers.
14706 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14707 check with SCALAR_FLOAT_MODE_P.
14708 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14710 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14712 PR tree-optimization/25985
14713 * tree-ssa-loop-niter.c (number_of_iterations_le,
14714 number_of_iterations_ne): Make comments more precise.
14715 (number_of_iterations_cond): Add only_exit argument. Use the
14716 fact that signed variables do not overflow only when only_exit
14718 (loop_only_exit_p): New.
14719 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14720 number_of_iterations_cond.
14722 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14724 PR tree-optimization/26643
14725 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14728 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14730 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14731 (divsi3_i4_int): Likewise.
14733 2006-03-28 Roger Sayle <roger@eyesopen.com>
14735 * expr.c (emit_group_store): Only create a new pseudo reg if the
14736 quantity it needs to hold isn't already a suitable pseudo.
14738 2006-03-28 Jeff Law <law@redhat.com>
14740 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14741 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14743 2006-03-28 Roger Sayle <roger@eyesopen.com>
14745 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14746 the equivalent ~X & Y, and the symmetry related transformations.
14747 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14748 ~X & Y, and symmetry related transforms.
14750 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14752 Revert my 2006-03-27 patches.
14754 2006-03-28 Roger Sayle <roger@eyesopen.com>
14756 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14757 ~(T1)X, when T1 and T2 are integer types of the same precision
14758 and (T2)X isn't an extension.
14760 2006-03-28 Jeff Law <law@redhat.com>
14762 PR tree-optimization/26796
14763 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14764 need EH edge cleanups rather than purging them immediately.
14765 (eliminate_degenerate_phis): Handle queued EH cleanups.
14767 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14769 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14772 2006-03-27 Roger Sayle <roger@eyesopen.com>
14774 PR middle-end/22524
14775 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14776 cast BIT_NOT_EXPR operand to the correct type.
14778 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14780 * tree-loop-linear.c: Don't include varray.h.
14781 (gather_interchange_stats, try_interchange_loops,
14782 linear_transform_loops): Use VEC instead of VARRAY.
14783 * lambda-mat.c: Don't include varray.h.
14784 * tree-chrec.c: Same.
14785 * lambda-trans.c: Same.
14786 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14787 VEC instead of VARRAY.
14788 * tree-vectorizer.h: Idem.
14789 * tree-data-ref.c (dump_data_references,
14790 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14791 initialize_data_dependence_relation, finalize_ddr_dependent,
14792 compute_all_dependences, find_data_references_in_loop,
14793 compute_data_dependences_for_loop, analyze_all_data_dependences,
14794 free_dependence_relation, free_dependence_relations,
14795 free_data_refs): Idem.
14796 * tree-data-ref.h (data_reference_p, subscript_p): New.
14797 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14798 VEC instead of VARRAY.
14799 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14800 (find_data_references_in_loop, compute_data_dependences_for_loop,
14801 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14802 dump_data_dependence_relations, free_dependence_relations,
14803 free_data_refs): Adjust declaration.
14804 (lambda_transform_legal_p): Move declaration here...
14805 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14806 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14807 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14808 vect_analyze_data_refs): Use VEC instead of VARRAY.
14809 * lambda.h (lambda_transform_legal_p): ...from here.
14810 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14811 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14812 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14813 tree-chrec.o): Don't depend on VARRAY_H.
14815 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14817 * rtl.def (Copyright): Update date.
14818 (DEPS_LIST): Change type of the second operand to 'int'.
14819 * target.h (Copyright): Update date.
14820 (struct gcc_target.speculate_insn): Change type of the second parameter
14822 * lists.c (Copyright): Update date.
14823 (alloc_DEPS_LIST): Change signature. Update reference to the second
14824 operand of the DEPS_LIST.
14825 (copy_DEPS_LIST_list): Update reference to the second operand of the
14827 * rtl.h (Copyright): Update date.
14828 (alloc_DEPS_LIST): Update signature.
14829 * sched-int.h (Copyright): Update date.
14830 (ds_t): Change typedef to 'int'.
14831 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14833 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14835 * haifa-sched.c (Copyright): Update date.
14836 (try_ready): Change condition to restore non-speculative pattern
14837 of the instruction.
14838 (process_insn_depend_be_in_spec): Code to keep probability of the
14839 speculative dependence non-decreasing.
14841 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14843 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14844 shut up the compiler.
14846 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14848 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14849 to use lib prefix for target.
14850 ($(T)libic_invalidate_array_4-200.a): Likewise.
14851 ($(T)libic_invalidate_array_4a.a): Likewise.
14853 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14854 J"orn Rennecke <joern.rennecke@st.com>
14856 * superh.opt: New file.
14857 * sh.c (boardtype, osruntime): Remove.
14858 * superh.h (SUBTARGET_OPTIONS): Remove.
14859 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14861 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14862 arguments with ^ and/or [].
14864 * config.gcc (sh-*-*): Add quoting to account for quirk of
14866 Replace == with = in enable_incomplete_targets test.
14868 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14869 with MASK_LITTLE_ENDIAN.
14871 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14872 * config/sh/sh.opt: Added to some comments.
14873 * config/sh/superh.h: Removed some chaff.
14875 * config/sh/sh.opt: Add m4-[1234]00* options.
14876 * config/sh/sh.c (sh_handle_option): Likewise.
14877 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14878 (ic_invalidate_array_4-100.o): New rule.
14879 ($(T)libic_invalidate_array_4-100.a): Likewise.
14880 (ic_invalidate_array_4-200.o): Likewise.
14881 ($(T)libic_invalidate_array_4-200.a): Likewise.
14882 (ic_invalidate_array_4a.o): Likewise.
14883 ($(T)libic_invalidate_array_4a.a): Likewise.
14884 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14885 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14887 * config/sh/crt1.asm: Merged in profiling code.
14888 * config/sh/superh.h (STARTFILE_SPEC): Override.
14889 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14890 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14891 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14893 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14894 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14895 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14897 * sh.opt (mpretend-cmove): New option.
14898 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14899 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14900 (movsicc): Add TARGET_PRETEND_CMOVE code.
14902 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14904 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14905 s390_class_max_nregs): New function prototypes.
14906 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14907 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14908 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14909 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14911 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14913 * dwarf2out.c (add_location_or_const_value_attribute): Call
14914 tree_add_const_value_attribute if nothing else works.
14915 (reference_to_unused): New.
14916 (rtl_for_decl_init): Use reference_to_unused to decide whether
14917 to output an initializer.
14919 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14922 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14923 peephole removing spe frob_di_df_2.
14925 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14927 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14928 (subscript_dependence_tester_1): Declared.
14929 (print_dir_vectors, print_dist_vectors): New.
14930 (debug_data_dependence_relation): New.
14931 (dump_data_dependence_relation): Print more details.
14932 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14933 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14934 (save_dist_v, save_dir_v, add_outer_distances,
14935 build_classic_dist_vector_1): New.
14936 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14937 Don't test for lambda_vector_lexico_pos.
14938 (same_access_functions, add_multivariate_self_dist,
14939 add_other_self_distances, dir_from_dist): New.
14940 (build_classic_dir_vector): Replace implementation almost identical to
14941 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14943 (subscript_dependence_tester_1): New.
14944 (subscript_dependence_tester): Handle the lexicographically negative
14945 distance vectors by recomputing the dependence relation.
14946 (compute_affine_dependence): Remove parameter loop_nest_depth.
14947 (compute_self_dependence): Don't call compute_subscript_distance.
14948 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14949 Add a parameter for the loop_nest.
14950 (find_loop_nest_1, find_loop_nest): New.
14951 (compute_data_dependences_for_loop): Compute the loop nest, and give
14952 up if the nest is not well formed.
14953 * tree-data-ref.h (loop_p): New.
14954 (struct data_dependence_relation): Replace size_vect field with
14955 loop_nest, a vec of loops.
14956 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14957 (DDR_LOOP_NEST): New.
14958 (print_dir_vectors, print_dist_vectors,
14959 debug_data_dependence_relation): Declared.
14960 (index_in_loop_nest): New.
14961 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14962 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14965 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14967 * simplify-rtx.c (simplify_relational_operation): Call
14968 simplify_relational_operation_1 even if mode is VOIDmode.
14970 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14972 PR tree-optimization/26804
14973 * tree.h (DECL_CALL_CLOBBERED): New macro.
14974 (tree_decl_common): Add call_clobbered_flag.
14975 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14976 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14977 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14978 (mark_non_addressable): Ditto.
14979 * tree-ssa.c (verify_call_clobbered): New function.
14980 (verify_alias_info): Use it.
14981 * tree-pass.h (pass_reset_cc_flags): New prototype.
14982 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14983 (reset_cc_flags): New function.
14984 * passes.c (init_optimization_passes): Call reset_cc_flags after
14985 initializing referenced_vars.
14987 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14988 Roger Sayle <roger@eyesopen.com>
14990 PR middle-end/26717
14991 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14992 to 1.0 for non-real operands. Implement A / A optimization for
14995 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14997 * config/i386/i386.c (size_cost): Correct the comment for
14998 cost of storing fp registers.
14999 (i386_cost): Likewise.
15000 (i486_cost): Likewise.
15001 (pentium_cost): Likewise.
15002 (pentiumpro_cost): Likewise.
15003 (k6_cost): Likewise.
15004 (athlon_cost): Likewise.
15005 (k8_cost): Likewise.
15006 (pentium4_cost): Likewise.
15007 (nocona_cost): Likewise.
15008 (generic64_cost): Likewise.
15009 (generic32_cost): Likewise.
15011 2006-03-24 Denis Chertykov <denisc@overta.ru>
15013 * config/avr/avr-protos.h (extra_constraint): Delete.
15014 (extra_constraint_Q): New declaration.
15015 * config/avr/constraints.md: New file.
15016 * config/avr/avr.md: Include it.
15017 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15018 (TMP_REGNO, ZERO_REGNO): Likewise.
15019 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15020 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15021 (extra_constraint): Delete.
15022 (extra_constraint_Q): Test for memory constraint 'Q'.
15023 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15024 (REG_CLASS_FROM_LETTER): Delete.
15025 (CONST_OK_FOR_LETTER_P): Delete.
15026 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15027 (EXTRA_CONSTRAINT): Delete.
15028 (TMP_REGNO): Delete.
15029 (ZERO_REGNO): Delete.
15031 2006-03-24 Jeff Law <law@redhat.com>
15033 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15034 directly. Call mark_new_vars_to_rename slightly earlier.
15036 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15038 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15039 (is_cxx): Likewise.
15040 (gen_compile_unit_die): Use new language types for Objective-C and
15042 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15043 DW_LANG_C_plus_plus.
15046 * config/t-darwin (crt3.o): Work around bug 26840.
15047 * config/darwin-crt3.c: Rewrite.
15048 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15050 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15052 * doc/invoke.texi: Document -femit-class-debug-always
15053 * common.opt: Add -femit-class-debug-always.
15055 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15057 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15058 index and base register.
15059 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15060 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15061 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15062 REGNO_OK_FOR_INDEX_P.
15063 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15065 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15066 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15067 REG_OK_FOR_BASE_P): Definitions removed.
15069 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15071 PR middle-end/26611
15072 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15073 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15074 set yet or weren't marked as local yet.
15076 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15078 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15081 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15083 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15084 (rs6000_legitimate_small_data_p): Delete.
15085 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15086 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15087 and make static. Add forward declaration. Update uses.
15088 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15089 of offsettable_memref_p.
15090 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15091 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15093 2006-03-24 Jeff Law <law@redhat.com>
15095 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15096 around bug in immediate-use iterator.
15098 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15101 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15102 or __LITTLE_ENDIAN__.
15104 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15106 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15107 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15108 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15109 * config/sh/sh.opt (mdiv=): Amend description.
15110 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15111 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15112 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15113 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15114 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15115 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15116 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15117 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15118 TARGET_DIVIDE_CALL_FP.
15120 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15122 * haifa-sched.c (choose_ready): Fix type of the local variable.
15123 Move local variables. Add comment.
15124 (check_reg_live): Change signature. Make callable from debugger.
15125 * sched-int.h (check_reg_live): Update signature.
15126 * sched-ebb.c (check_reg_live): Update parameters.
15127 * sched-rgn.c (check_reg_live): Ditto.
15128 (region_head_or_leaf_p): Check pointer before dereferencing.
15129 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15130 before reload on optimization levels below 1.
15132 2006-03-23 Richard Henderson <rth@redhat.com>
15134 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15138 * config/alpha/predicates.md (local_symbolic_operand): Reject
15141 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15144 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15145 expressions which have overflowed constants.
15147 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15149 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15151 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15153 * cfgloopmanip.c (create_loop_notes): Removed.
15154 * final.c (final_scan_insn): Do not handle loop notes.
15155 * jump.c (squeeze_notes): Ditto.
15156 * cfglayout.c (skip_insns_after_block,
15157 duplicate_insn_chain): Ditto.
15158 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15160 * cfgloop.h (create_loop_notes): Declaration removed.
15162 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15164 * varasm.c (output_constant_pool): Restore fnname and fndecl
15166 (assemble_start_function): Adjust call accordingly.
15167 (assemble_end_function): Likewise.
15169 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15172 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15175 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15177 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15180 * system.h (ICE_EXIT_CODE): New macro.
15181 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15182 (diagnostic_action_after_output): Likewise.
15183 * gcc.c (fatal_ice): New function.
15184 (execute): Use it instead of fatal.
15185 (fancy_abort): Likewise.
15186 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15188 2006-03-22 Jeff Law <law@redhat.com>
15190 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15191 iv_analyze_result returning false.
15193 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15195 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15197 2006-03-22 Richard Henderson <rth@redhat.com>
15199 PR middle-end/26084
15200 * except.c (duplicate_eh_regions_0): New.
15201 (duplicate_eh_region_1): Duplicate the children of the node as
15202 well as the node itself. Link them up properly.
15203 (duplicate_eh_region_2): Merge into ...
15204 (duplicate_eh_regions): ... here. Take copy_region argument, and
15205 copy only a sub-tree if asked. Simplify copying and fixup.
15206 (eh_region_outer_p): New.
15207 * except.h (duplicate_eh_regions): Update decl.
15208 (eh_region_outer_p): Declare.
15209 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15210 (lower_omp_master): Likewise.
15211 (lower_omp_ordered): Likewise.
15212 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15213 (move_stmt_r): Use it to remap labels. Handle recursion vs
15214 remap_decls_p properly.
15215 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15216 (find_outermost_region_in_block): New.
15217 (new_label_mapper): New.
15218 (move_sese_region_to_fn): Copy eh information to the new function
15220 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15222 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15225 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15227 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15228 into shared libraries.
15230 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15232 * doc/md.texi: Refer to i386/constraints.md instead of
15233 i386/predicates.md.
15234 * config/i386/constraints.md: New file, extracted from...
15235 * config/i386/predicates.md: ...here.
15236 * config/i386/i386.md: Include constraints.md.
15238 2006-03-21 Jason Merrill <jason@redhat.com>
15240 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15242 PR middle-end/20297
15243 * expr.c (init_block_move_fn): Force default visibility.
15244 (init_block_clear_fn): Likewise.
15245 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15246 * targhooks.c (default_external_stack_protect_fail): Likewise.
15248 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15250 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15251 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15252 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15253 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15254 (loadgp): Use mips_current_loadgp_style.
15255 (loadgp_noshared): New pattern.
15256 (sibcall_internal): Use MIPS_CALL.
15257 (sibcall_value_internal): Likewise.
15258 (sibcall_value_multiple_internal): Likewise.
15259 (call_internal): Likewise.
15260 (call_value_internal): Likewise.
15261 (call_value_multiple_internal): Likewise.
15262 (call_split): Use MIPS_CALL and add an 'S' constraint.
15263 (call_value_split): Likewise.
15264 (call_value_multiple_split): Likewise.
15265 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15266 (-mshared): New option.
15267 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15268 (mips_current_loadgp_style): Declare.
15269 * config/mips/mips.c (mips_classify_symbol): Avoid using
15270 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15271 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15272 TARGET_ABSOLUTE_ABICALLS.
15273 (override_options): Adjust comments. Improve the warning that is
15274 issued when -mabicalls and -G are used together.
15275 (mips_file_start): Remove comment.
15276 (mips_current_loadgp_style): New function.
15277 (mips_gnu_local_gp): New variable.
15278 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15280 (mips_output_function_prologue): Use mips_current_laodgp_style.
15281 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15282 the cprestore instruction.
15283 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15284 live for TARGET_ABSOLUTE_ABICALLS.
15285 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15286 (ASM_SPEC): Pass down -mshared and -mno-shared.
15287 (MIPS_CALL): New macro.
15288 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15290 * doc/invoke.texi (-mabicalls): Update documentation.
15291 (-mshared): Document.
15293 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15295 * config/ia64/unwind-hpux.c: New file.
15296 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15298 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15301 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15303 2006-03-21 Jeff Law <law@redhat.com>
15305 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15306 type conversions of a VR_VARYING source to a wider type.
15308 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15310 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15311 tm_file on Solaris 10 and later.
15312 (sparc64-*-solaris2*): Likewise.
15313 (sparc-*-solaris2*): Likewise.
15314 * config/sol26.h: Rename to config/sol2-6.h.
15315 * config/sol2-10.h: New file.
15317 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15320 * tree-ssa-pre.c (create_component_ref_by_pieces):
15323 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15326 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15327 return it immediately.
15329 2006-03-21 Michael Matz <matz@suse.de>
15331 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15333 (remove_arc, add_arc): Update num_out_arcs member.
15334 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15336 (cache_presence): New function.
15337 (compare_states_for_equiv): New function.
15338 (state_is_differed): Don't take number of outargs, adjust callers.
15339 Use new invariant for speeding up.
15340 (init_equiv_class): Create initial classes based on sorted
15342 (partition_equiv_class): Don't track out_arcs_num.
15343 (evaluate_equiv_classes): Call cache_presence on all states and
15346 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15348 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15349 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15350 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15351 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15353 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15354 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15355 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15356 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15357 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15359 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15360 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15361 (REGNO_REG_CLASS): ARGP is in PREGS.
15362 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15364 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15365 to deal with those addresses.
15366 * addresses.h: New file.
15367 * caller-save.c: Include "addresses.h".
15368 (init_caller_save): Use new base_reg_class function.
15369 * rtl-factoring.c: Include "addresses.h".
15370 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15371 * recog.c: Include "addresses.h".
15372 (preprocess_constraints): Use new base_reg_class function.
15373 * regrename.c: Include "addresses.h".
15374 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15375 functions. Keep track of a new var INDEX_CODE to compute valid
15377 (replace_oldest_value_addr): Likewise.
15378 (replace_oldest_value_mem): Use base_reg_class.
15379 * reload.c: Include "addresses.h".
15380 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15381 (find_reloads): Use new base_reg_class function.
15382 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15383 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15384 all callers and prototype changed.
15385 * reload1.c: Include "addresses.h".
15386 (maybe_fix_stack_asms): Use base_reg_class.
15387 * regclass.c: Include "addresses.h".
15388 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15389 (init_reg_autoinc): Use new base_reg_class function.
15390 (record_reg_classes): Likewise.
15391 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15392 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15393 Use new args to compute necessary class.
15395 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15396 regrename.o, rtl-factoring.o): Update dependencies.
15397 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15398 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15399 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15400 REG_OK_FOR_INDEX_P): Delete documentation.
15402 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15404 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15405 from V7 to V9 for Solaris 7 and above.
15407 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15409 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15410 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15411 argument pointers may not alias any other storage.
15412 * common.opt: Define option -fargument-noalias-anything.
15413 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15414 alias semantics is specified by flag_argument_noalias > 2.
15416 2006-03-20 Jeff Law <law@redhat.com>
15418 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15419 (pass_phi_only_cprop): Declare.
15420 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15421 with phi_only_cprop
15422 * tree-ssa-dom.c (degenerate_phi_result): New function.
15423 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15424 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15425 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15426 (eliminate_degenerate_phis): Likewise.
15427 (pass_phi_only_cprop): New pass descriptor.
15428 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15429 support code. Callers updated.
15430 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15431 (store_copy_prop): Likewise.
15432 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15434 2006-03-20 Jason Merrill <jason@redhat.com>
15437 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15438 (push_visibility, pop_visibility): Likewise.
15439 * c-pragma.h: Declare them.
15441 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15443 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15445 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15446 parameter and use get_ebb_head_tail.
15447 (sh_md_init_global): Adjust uses of find_regmode_weight.
15449 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15451 * function.h (struct function) <x_tail_recursion_reentry>:
15452 Rename to x_stack_check_probe_note.
15453 (tail_recursion_reentry): Rename to stack_check_probe_note.
15454 * function.c: Replace tail_recursion_reentry with
15455 stack_check_probe_note everywhere.
15456 (expand_function_start): Only emit a note for
15457 stack_check_probe_note with -fstack-protect.
15458 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15460 * emit-rtl.c (remove_unnecessary_notes): Remove.
15461 (pass_remove_unnecessary_notes): Remove.
15462 * rtl.h (remove_unnecessary_notes): Remove prototype.
15463 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15464 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15465 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15467 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15470 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15471 (valid_in_set): Handle ARRAY_REF.
15472 Change "if min_variant or VH" to asserts.
15473 (create_component_ref_by_pieces): Handle ARRAY_REF.
15474 (create_expression_by_pieces): Likewise.
15475 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15477 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15479 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15480 is operand of switch, not str[0].
15482 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15484 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15485 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15487 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15489 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15490 end of insn_extra_address_constraint declaration.
15492 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15494 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15495 (no-sum-in-toc): Same.
15496 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15498 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15499 NO_FP_IN_TOC for -fPIC instead of mask.
15501 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15502 (BOOT_LDFLAGS): Delete.
15504 * config/rs6000/t-aix52: Same.
15506 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15507 (stmsi[345678]_power): New.
15509 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15511 * config/ia64/ia64.opt: Add empty line to end of file.
15513 2006-03-17 Richard Guenther <rguenther@suse.de>
15515 PR middle-end/26721
15516 * builtins.c (get_pointer_alignment): For component style references
15517 adjust alignment to the component type alignment. Make sure
15518 to adjust alignment for component access of constants.
15520 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15522 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15523 unconditional jump.
15525 2006-03-17 Paul Brook <paul@codesourcery.com>
15527 * doc/install.texi: Docuemnt --with-mode.
15528 * config.gcc: Add --with-mode for arm*-*-*.
15529 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15531 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15533 * sh.c (max_labelno_before_reorg): New variable.
15534 (sh_reorg): Initialize it.
15535 (find_barrier): Check max_labelno_before_reorg before using
15536 label_to_alignment. Take length of explicit alignment insns
15537 into account. When seeing a UNSPECV_CONST_END, return it.
15539 * sh.c (fixup_mova): Set mode of affected label to QImode.
15540 (untangle_mova): New function.
15541 (find_barrier): Use it. Check mode of label before decrementing
15543 (sh_reorg): Likewise.
15544 Set mode of all insns back to VOIDmode.
15546 * sh.c (MOVA_LABELREF): New macro.
15547 (mova_p, fixup_mova, sh_reorg): Use it.
15548 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15549 ADDR_DIFF_VEC matches mova.
15551 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15553 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15554 with ATTRIBUTE_UNUSED.
15556 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15558 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15559 pointer, instead of assuming it is possible to derive the
15560 correct args size from a call insn.
15562 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15564 * rtl.h (CONST_INT_P): Define.
15565 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15566 instead of GET_CODE(x) == CONST_INT.
15567 (vax_rtx_costs): Likewise.
15568 (vax_output_int_move): Likewise.
15569 (vax_output_int_add): Likewise.
15570 (legitimate_constant_address_p): Likewise.
15571 (index_term_p): Likewise.
15572 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15573 * config/vax/vax.md (and<mode>3): Likewise.
15574 (ashrsi3): Likewise.
15576 (movstricthi): Likewise.
15577 (movstrictqi): Likewise.
15578 (rotrsi3): Likewise.
15579 (five unnamed insns): Likewise.
15581 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15583 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15584 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15585 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15586 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15587 Pass to ASM_OUTPUT_DWARF_OFFSET.
15588 * dwarf2out.c (debug_frame_section): New.
15589 (output_call_frame_info): Use debug_frame_section. Pass it to
15590 dw2_asm_output_offset.
15591 (output_die): Pass appropriate section to dw2_asm_output_offset.
15592 (output_compilation_unit_header): Likewise.
15593 (output_pubnames): Likewise.
15594 (output_aranges): Likewise.
15595 (enum dw_val_class): Break dw_val_class_lbl_offset into
15596 dw_val_class_lineptr and dw_val_class_macptr.
15597 (add_AT_lbl_offset): Delete.
15598 (add_AT_lineptr): New.
15599 (add_AT_macptr): New.
15600 (AT_lbl): Expect a lineptr or macptr.
15601 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15602 (attr_checksum): Likewise.
15603 (same_dw_val_p): Likewise.
15604 (size_of_die): Likewise.
15605 (value_format): Likewise.
15606 (output_die): Likewise.
15607 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15609 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15610 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15611 * config/darwin-protos.h (darwin_file_start): New.
15612 (darwin_asm_output_dwarf_offset): New.
15613 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15614 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15616 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15617 if not EH section; simplify.
15618 (darwin_file_start): New.
15619 (darwin_asm_output_dwarf_offset): New.
15620 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15622 (DEBUG_INFO_SECTION): Likewise.
15623 (DEBUG_ABBREV_SECTION): Likewise.
15624 (DEBUG_ARANGES_SECTION): Likewise.
15625 (DEBUG_MACINFO_SECTION): Likewise.
15626 (DEBUG_LINE_SECTION): Likewise.
15627 (DEBUG_LOC_SECTION): Likewise.
15628 (DEBUG_PUBNAMES_SECTION): Likewise.
15629 (DEBUG_STR_SECTION): Likewise.
15630 (DEBUG_RANGES_SECTION): Likewise.
15631 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15632 (ASM_OUTPUT_DWARF_OFFSET): New.
15634 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15636 * config.gcc (tm_defines): Always add to previous value rather
15639 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15641 * config/mips/predicates.md (splittable_const_int_operand): New,
15642 split from move_operand.
15643 (splittable_symbolic_operand): New.
15644 (move_operand): Add commentary. Use splittable_const_int_operand.
15645 Inline mips_atomic_symbolic_constant_p.
15646 * config/mips/mips.md: Add combine splitters for handling moves
15647 of splittable_const_int_operands and splittable_symbolic_operands.
15648 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15649 (mips_split_symbol): Declare.
15650 (mips_move_integer): Declare.
15651 * config/mips/mips.c (mips_split_p): Make global.
15652 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15653 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15654 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15655 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15656 (mips_offset_within_object_p): Handle block symbols.
15657 (mips_atomic_symbolic_constant_p): Delete.
15658 (mips_cannot_force_const_mem): Return false for constants that
15659 mips_legitimize_move can handle.
15660 (mips_use_blocks_for_constant_p): New function.
15661 (mips_split_symbol): Make global.
15662 (mips_move_integer): Likewise. Add a temporary register argument.
15663 (mips_legitimize_const_move): Use splittable_const_int_operand and
15664 splittable_symbolic_operand.
15665 (mips_use_anchors_for_symbol_p): New function.
15666 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15667 (mips_split_p): Declare.
15669 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15671 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15672 (mips*-*-linux*): Likewise.
15674 2006-03-16 Roger Sayle <roger@eyesopen.com>
15675 Daniel Speyer <dspeyer@wam.umd.edu>
15677 PR middle-end/18259
15678 * tree-dump.c (dump_real): New function.
15679 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15680 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15681 (tree-dump.o): Add $(REAL_H) to the dependencies.
15683 2006-03-16 Roger Sayle <roger@eyesopen.com>
15685 PR middle-end/21781
15686 * real.c (real_from_string): If the mantissa is zero, don't bother
15687 parsing the exponent as the result should always be zero.
15689 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15691 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15693 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15695 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15696 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15697 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15698 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15699 ia64_sched_finish_global): New static functions to implement
15700 hooks from gcc_target.sched.
15701 (spec_check_no, max_uid, pending_data_specs): New static variables.
15702 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15703 ia64_spec_check_src_p): New static functions.
15704 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15705 (TARGET_SCHED_ADJUST_COST): Removed.
15706 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15707 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15708 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15709 TARGET_SCHED_GEN_CHECK,
15710 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15711 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15712 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15713 Fixed to handle speculation checks.
15714 (rtx_needs_barrier): Fixed to handle speculative loads and
15716 (ia64_variable_issue): Added code to count speculative loads and their
15718 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15720 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15722 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15724 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15725 (ia64_reorg): Reset stops_p to NULL after it is freed.
15726 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15727 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15728 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15730 (data_speculative, control_speculative, check_load): New attributes.
15731 (mov<mode>_advanced, mov<mode>_speculative,
15732 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15733 zero_extend<mode>di2_speculative,
15734 zero_extend<mode>di2_speculative_advanced): New patterns for
15735 data and control speculative loads.
15736 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15738 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15739 New pattern for data and control speculation checks.
15740 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15741 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15742 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15743 Auxiliary definitions for the patterns.
15744 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15745 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15747 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15749 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15750 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15751 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15752 New resource constraints.
15753 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15755 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15756 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15757 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15758 msched-in-control-spec, msched-ldc, msched-control-ldc,
15759 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15760 msched-prefer-non-control-spec-insns,
15761 msched-count-spec-in-critical-path): New flags to tune speculative
15763 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15764 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15765 msched-in-control-spec, msched-ldc, msched-control-ldc,
15766 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15767 msched-prefer-non-control-spec-insns,
15768 msched-count-spec-in-critical-path): Document new flags.
15770 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15772 * target.h (struct spec_info_def): New opaque declaration.
15773 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15774 speculate_insn, needs_block_p, gen_check,
15775 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15776 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15777 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15778 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15779 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15780 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15782 (TARGET_SCHED): Use new macros.
15783 * rtl.h (copy_DEPS_LIST_list): New prototype.
15784 * sched-int.h (struct sched_info): Change signature of new_ready field,
15785 adjust all initializations. New fields: add_remove_insn,
15786 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15787 region_head_or_leaf_p.
15788 (struct spec_info_def): New structure declaration.
15789 (spec_info_t): New typedef.
15790 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15791 recovery_block, orig_pat.
15792 (glat_start, glat_end): New variables declaraions.
15793 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15795 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15796 DETACH_LIFE_INFO, USE_GLAT.
15797 (enum SPEC_SCHED_FLAGS): New enumeration.
15798 (NOTE_NOTE_BB_P): New macro.
15799 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15800 attach_life_info, debug_spec_status, check_reg_live): New functions.
15801 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15802 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15804 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15805 * ddg.c (get_block_head_tail): Adjust all uses.
15806 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15807 (sms_sched_info): Initialize new fields.
15808 (contributes_to_priority): Removed.
15809 * haifa-sched.c (params.h): New include.
15810 (get_block_head_tail): Adjust all uses.
15811 (ISSUE_POINTS): New macro.
15812 (glat_start, glat_end): New global variables.
15813 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15814 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15815 old_last_basic_block, before_recovery, current_sched_info_var,
15816 rgn_n_insns, luid): New static variables.
15817 (insn_cost1): New function. Move logic from insn_cost to here.
15818 (find_insn_reg_weight1): New function. Move logic from
15819 find_insn_reg_weight to here.
15820 (reemit_notes, move_insn, max_issue): Change signature.
15821 (move_insn1): Removed.
15822 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15823 extend_bb): New static functions to support extension of scheduler's
15825 (generate_recovery_code, process_insn_depend_be_in_spec,
15826 begin_speculative_block, add_to_speculative_block,
15827 init_before_recovery, create_recovery_block, create_check_block_twin,
15828 fix_recovery_deps): New static functions to support
15829 generation of recovery code.
15830 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15831 restore_bb_notes, move_block_after_check, move_succs): New static
15832 functions to support ebb scheduling.
15833 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15834 functions to support handling of register live information.
15835 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15836 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15837 add_jump_dependencies): New static functions.
15838 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15839 consistancy checking.
15840 (debug_spec_status): New function to call from debugger.
15841 (priority): Added code to handle speculation checks.
15842 (rank_for_schedule): Added code to distinguish speculative instructions.
15843 (schedule_insn): Added code to handle speculation checks.
15844 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15845 Fixed to handle ebbs.
15846 (move_insn): Added code to handle ebb scheduling.
15847 (max_issue): Added code to use ISSUE_POINTS of instructions.
15848 (choose_ready): Added code to choose between speculative and
15849 non-speculative instructions.
15850 (schedule_block): Added code to handle ebb scheduling and scheduling of
15851 speculative instructions.
15852 (sched_init): Initialize new variables.
15853 (sched_finish): Free new variables. Print statistics.
15854 (try_ready): Added code to handle speculative instructions.
15855 * lists.c (copy_DEPS_LIST_list): New function.
15856 * sched-deps.c (extend_dependency_caches): New function. Move logic
15857 from create_dependency_caches to here.
15858 (get_dep_weak, ds_merge): Make global.
15859 * genattr.c (main): Code to output prototype for
15860 dfa_clear_single_insn_cache.
15861 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15862 (output_dfa_clean_insn_cache_func): Code to output
15863 dfa_clear_single_insn_cache function.
15864 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15866 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15868 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15869 New static variables.
15870 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15871 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15873 (ebb_sched_info): Initialize new fields.
15874 (get_block_head_tail): Adjust all uses.
15875 (compute_jump_reg_dependencies): Fixed to use glat_start.
15876 (schedule_ebb): Code to remove unreachable last block.
15877 (schedule_ebbs): Added code to update register live information.
15878 * sched-rgn.c (region_sched_info): Initialize new fields.
15879 (get_block_head_tail): Adjust all uses.
15880 (last_was_jump): Removed. Adjust users.
15881 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15882 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15883 Implement new hooks.
15884 (check_dead_notes1): New static function.
15885 (struct region): New fields: dont_calc_deps, has_real_ebb.
15886 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15887 (BB_TO_BLOCK): Fixed to handle EBBs.
15888 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15889 (ebb_head): New static variable.
15890 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15891 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15893 (compute_dom_prob_ps): New assertion.
15894 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15895 global_live_at_start.
15896 (init_ready_list): New assertions.
15897 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15898 (new_ready): Add support for BEGIN_CONTROL speculation.
15899 (schedule_insns): Fixed code that updates register live information
15901 (schedule_region): Fixed to handle EBBs.
15902 (init_regions): Use extend_regions and check_dead_notes1.
15903 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15904 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15905 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15906 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15907 TARGET_SCHED_GEN_CHECK,
15908 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15909 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15910 * doc/invoke.texi (max-sched-insn-conflict-delay,
15911 sched-spec-prob-cutoff): Document.
15913 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15915 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15916 inter_tick, queue_index.
15917 (struct sched_info): Change signature of init_ready_list field.
15918 Adjust all initializations.
15919 (RESOLVED_DEPS): New access macro.
15920 (ready_add): Remove prototype.
15921 (try_ready): Add prototype.
15922 * sched-rgn.c (init_ready_list): Use try_ready.
15923 (schedule_region): Initialize
15924 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15925 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15926 (init_ready_list): Use try_ready.
15927 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15928 * lists.c (remove_list_elem): Remove `static'.
15929 (remove_free_INSN_LIST_elem): New function.
15930 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15931 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15932 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15934 (readyp): New variable.
15935 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15936 change_queue_index, resolve_dep): New static functions.
15937 (try_ready): New function. Adjust callers in sched-rgn.c and
15938 sched-ebb.c to use it instead of ready_add.
15939 (clock_var): Move at the begining of file.
15940 (rank_for_schedule): Fix typo.
15941 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15942 (ready_lastpos): Enforce assertion.
15943 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15944 update all callers.
15945 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15946 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15947 (queue_to_ready): Use free_INSN_LIST_list.
15948 (early_queue_to_ready): Fix typo.
15949 (schedule_block): Init readyp. Move init_ready_list call after the
15950 initialization of clock_var. Fix error in rejecting insn by
15951 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15952 that previously corrected INSN_TICKs. Add code for handling
15954 (set_priorities): Fix typo.
15955 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15956 Clarify comment and code that keeps current_sched_info->next_tail
15959 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15961 * sched-rgn.c (extend_rgns): New static function.
15962 (find_rgns): Use it.
15963 (gather_region_statistics, print_region_statistics): New static
15965 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15966 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15968 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15969 Andrey Belevantsev <abel@ispras.ru>
15971 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15972 * lists.c (unused_deps_list): New variable.
15973 (free_list): Add assertions to verify the proper distinguishing
15974 between INSN_LISTs and DEPS_LISTs.
15975 (find_list_elem, remove_list_elem, remove_list_node): New static
15977 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15978 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15979 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15980 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15982 (free_INSN_LIST_node): Likewise.
15983 * modulo-sched.c (current_sched_info): Initialize flags field.
15984 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15985 * rtl.def (DEPS_LIST): Define.
15986 * rtl.h: Declare new functions from lists.c.
15987 * sched-deps.c (spec_dependency_cache): New static variable.
15988 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15989 (add_dependence): Change return type to void. Move the logic to ...
15990 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15991 (delete_all_dependences): Add comment about forward_dependency_cache.
15992 Handle spec_dependency_cache. Handle DEPS_LISTs.
15993 (fixup_sched_groups): Clarify the change of priority of output
15994 and anti dependencies.
15995 (sched_analyze_2): Adjust add_dependence calls to create data
15996 speculative dependence.
15997 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15998 Adjust all callers. Handle DEPS_LISTS.
15999 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16000 presence of speculation.
16001 (init_dependency_caches, free_dependency_caches):
16002 Handle spec_dependency_cache.
16003 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16004 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16005 New static functions.
16006 (add_or_update_back_dep, add_or_update_back_forw_dep,
16007 add_back_forw_dep, delete_back_forw_dep): New functions.
16008 * sched-int.h (ds_t, dw_t): New typedefs.
16009 (struct sched_info): Add new field flags.
16010 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16011 Prototype new sched-deps.c functions.
16012 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16013 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16014 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16015 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16016 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16017 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16019 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16021 * sched-rgn.c (current_sched_info): Initialize flags field.
16022 (schedule_insns): Initialize current_sched_info before the sched_init
16024 * sched-ebb.c (current_sched_info): Initialize flags field.
16025 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16026 Call add_or_update_back_dep instead of add_dependence.
16027 Create control speculative dependencies.
16028 (schedule_insns): Initialize current_sched_info before the sched_init
16031 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16033 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16035 (sh_fallback_frame_state): Likewise.
16037 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16039 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16040 Do switch on default_use_cxa_atexit.
16041 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16042 * config/darwin-crt3.o: New.
16043 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16044 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16045 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16047 * config/rs6000/t-darwin: Move crt2.o building to here.
16048 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16049 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16052 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16054 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16055 from '! xxx' to '!xxx' for coding-style conformance.
16056 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16057 (EXTRA_CONSTRAINT): Likewise.
16058 * config/vax/vax.md (four unnamed insns): Likewise.
16060 2006-03-15 Paul Brook <paul@codesourcery.com>
16062 * config/arm/arm.c (minipool_pad): New.
16063 (add_minipool_forward_ref): Include pool alignment padding in address
16065 (push_minipool_fix): Set minipool_pad.
16066 (minipool_pad): Ditto.
16068 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16070 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16071 instead of GET_CODE() == MEM and REG_P() instead of
16073 (print_operand_address): Likewise.
16074 (vax_address_cost): Likewise.
16075 (vax_rtx_costs): Likewise.
16076 (vax_notice_update_cc): Likewise.
16077 (vax_output_int_add): Likewise.
16078 (INDEX_REGISTER_P): Likewise.
16079 (BASE_REGISTER_P): Likewise.
16080 (nonindexed_address_p): Likewise.
16081 (vax_mode_dependent_address_p): Likewise.
16082 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16083 (PRINT_OPERAND): Likewise.
16084 * config/vax/vax.md (ashlsi3): Likewise.
16085 (ashlsi3): Likewise.
16086 (some more unnamed insns): Likewise.
16088 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16090 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16091 iterator-style macro.
16092 (mark_control_dependent_edges_necessary): Update the use of
16093 EXECUTE_IF_CONTROL_DEPENDENT.
16095 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16097 * config/sh/predicates.md (cache_address_operand): Special.
16098 (ua_address_operand): Likewise.
16100 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16102 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16104 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16106 2006-03-15 Andreas Schwab <schwab@suse.de>
16108 * gensupport.c (identify_predicable_attribute): Don't free p_false
16109 when it is still in use.
16111 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16113 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16114 the default setting here.
16116 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16118 * tree-pass.h (pass_cfg): Remove.
16119 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16120 * passes.c (pass_cfg): Don't run it.
16122 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16124 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16125 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16127 (stack_regs_mentioned): Update the uses of
16128 stack_regs_mentioned_data. Don't access the array beyond its
16130 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16131 Don't include gt-reg-stack.h.
16133 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16134 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16136 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16138 PR middle-end/26684
16139 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16142 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16144 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16146 2006-03-14 Richard Guenther <rguenther@suse.de>
16148 PR tree-optimization/26672
16149 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16152 2006-03-14 Richard Guenther <rguenther@suse.de>
16154 PR tree-optimization/26667
16155 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16156 node for the callees. Always allow inlining if it will shrink
16159 2006-03-14 Richard Guenther <rguenther@suse.de>
16161 PR middle-end/26659
16162 * builtins.c (get_pointer_alignment): Prefer alignment
16163 information from decls over that from types.
16165 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16168 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16170 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16172 * config/rs6000/rs6000.opt (mdlmzb): New option.
16173 (msched-prolog, msched-epilog): Use Var not Mask.
16174 * doc/invoke.texi (-mdlmzb): Document.
16175 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16177 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16178 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16180 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16182 PR rtl-optimization/25739
16183 * bt-load.c (augment_live_range): Free tos pointer.
16185 * gensupport.c (identify_predicable_attribute): Free
16187 * gcov.c (create_file_names): Free name pointer.
16189 2006-03-13 Roger Sayle <roger@eyesopen.com>
16191 PR middle-end/26557
16192 * stmt.c (emit_case_nodes): Handle the case where the index is a
16193 CONST_INT, where the comparison mode is specified by the index type.
16195 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16197 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16200 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16202 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16203 (*branch_fp_inverted): Likewise.
16205 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16207 PR middle-end/25989
16208 * omp-low.c (expand_omp_for_generic): Mark istart0
16209 and iend0 as addressable.
16211 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16213 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16215 2006-03-13 Jeff Law <law@redhat.com>
16217 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16218 virtual operands are interesting.
16219 (vrp_visit_stmt): Corresponding changes.
16221 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16223 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16225 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16226 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16227 * config/bfin/crti.S: Use it instead of __PIC__.
16228 * config/bfin/crtn.S: Likewise.
16230 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16231 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16233 Lose 'G' modifier for call operand.
16234 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16235 recognize 'G' modifier.
16237 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16239 PR middle-end/18859
16240 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16241 * stmt.c (expand_case): Likewise.
16243 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16245 PR rtl-optimization/26254
16246 * loop-invariant.c (seq_insns_valid_p): New function.
16247 (move_invariant_reg): Only emit new code if it is valid.
16249 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16251 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16253 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16254 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16255 (commit_one_edge_insertion): Do not look for loop notes.
16257 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16259 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16260 flag_test_coverage out of loop.
16262 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16264 * final.c (shorten_branches): Remove outdated comment, and turn
16265 the if branch that guards it to continue.
16267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16269 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16270 * cfgloop.h (struct loop): Remove unused fields.
16272 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16274 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16275 (-dL, -fdump-rtl-loop2): Update the dump file names
16277 * doc/invoke.texi: Update dump file names.
16279 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16281 * predict.c (estimate_probability): Remove.
16282 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16283 * basic-block.h (estimate_probability): Remove prototype.
16284 * passes.c (finish_optimization_passes): Dump branch prediction or
16285 profiling heuristics to the .profile tree dump.
16286 (init_optimization_passes): Unqueue pass_branch_prob.
16288 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16290 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16292 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16293 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16295 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16297 * function.h (frame_offset_overflow): Declare.
16298 * function.c (frame_offset_overflow): New function.
16299 (assign_stack_local_1): Call it to detect that the offset overflows.
16300 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16302 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16304 * config/sh/sh.c: Include alloc-pool.h.
16305 (label_ref_list_pool): New alloc pool.
16306 (label_ref_list_t): New type for lists of labels.
16307 (struct pool_node): Make wend a label_ref_list_t.
16308 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16310 (dump_table): Likewise.
16311 (sh_reorg): Set up the alloc pool before using add_constant and
16312 dump_table, and destroy it when finishing.
16314 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16316 * config/mips/mips.c: Remove redundant comment.
16318 2006-03-10 Jason Merrill <jason@redhat.com>
16321 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16322 the target was declared 'register'.
16324 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16326 * genpreds.c (write_insn_constraint_len): Change definition of
16327 insn_constraint_len to return size_t to match the declaration.
16329 2006-03-10 DJ Delorie <dj@redhat.com>
16331 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16333 (m32c_expand_insv): Fix test for an AND mask.
16335 2006-03-10 Richard Guenther <rguenther@suse.de>
16337 PR middle-end/26565
16338 * builtins.c (get_pointer_alignment): Handle component
16339 references for field alignment.
16341 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16343 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16344 when building with libgloss.
16345 (sh*elf): Implement --without-fp option.
16346 (sh64-superh-linux*): Don't multilib.
16348 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16350 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16352 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16354 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16355 Set it when one of the replacement functions returned true.
16356 Return TODO_cleanup_cfg if cfgchanged is true.
16357 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16359 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16361 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16362 instead of gen_lowpart.
16364 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16366 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16368 (mips_output_order_conditional_branch): Declare.
16369 * config/mips/mips.h (MIPS_BRANCH): New macro.
16370 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16371 for the comparison. Use gen_condjump.
16372 (mips_output_conditional_branch): Rework interface to take the
16373 asm templates for a direct branch and the inverse of a direct branch.
16374 (mips_output_order_conditional_branch): New function.
16375 (mips_builtin_branch_and_move): New function.
16376 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16377 branch condition. Use gen_single_cc as the condition for
16378 __builtin_mips_upper_* or __builtin_mips_lower_*.
16379 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16380 Use VOIDmode for the branch condition.
16381 * config/mips/predicates.md (order_operator): New predicate.
16382 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16383 (branch_fp): Rename to...
16384 (*branch_fp): ...this. Remove mode from comparison operator.
16385 Use new mips_output_conditional_branch interface.
16386 (branch_fp_inverted): Rename to...
16387 (*branch_fp_inverted): ...this and update as for *branch_fp.
16388 (*branch_zero<mode>): Rename to...
16389 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16390 Use mips_output_order_conditional_branch. Only accept ordered
16392 (*branch_zero<mode>_inverted): Rename to...
16393 (*branch_order<mode>_inverted): ...this and update as for
16394 *branch_order<mode>.
16395 (*branch_equality<mode>): Accept zero as the second operand to
16396 the equality operator. Use the new mips_output_conditional_branch
16398 (*branch_equality<mode>_inverted): Likewise.
16399 (condjump): New expander.
16400 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16402 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16403 (bc1any2t, bc1any2f): Likewise.
16404 (single_cc): New expander.
16405 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16407 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16409 * doc/md.texi: Update documentation of MIPS constraints.
16410 * config/mips/constraints.md: New file.
16411 * config/mips/mips.md: Include it.
16412 * config/mips/mips.c (mips_char_to_class): Delete.
16413 (override_options): Don't initialize mips_char_to_class.
16414 * config/mips/mips.h (mips_char_to_class): Delete.
16415 (REG_CLASS_FROM_LETTER): Delete.
16416 (CONST_OK_FOR_LETTER_P): Delete.
16417 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16418 (EXTRA_CONSTRAINT_Y): Delete.
16419 (EXTRA_CONSTRAINT_STR): Delete.
16420 (CONSTRAINT_LEN): Delete.
16421 (EXTRA_MEMORY_CONSTRAINT): Delete.
16423 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16425 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16426 original fn's eh regions.
16428 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16430 * fold-const.c (build_range_check): Make sure to use a valid type to
16431 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16434 (range_predecessor): New static function.
16435 (range_successor): Likewise.
16436 (merge_ranges): Use them to compute predecessors and successors of
16439 2006-03-09 Roger Sayle <roger@eyesopen.com>
16441 PR middle-end/26561
16442 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16443 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16445 2006-03-08 DJ Delorie <dj@redhat.com>
16447 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16448 (addpsi3): Expand to include memory operands. Remove
16449 reload-specific splits.
16450 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16451 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16452 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16453 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16454 (shift1_qi, shift1_hi, insv): New.
16455 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16456 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16457 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16459 * config/m32c/m32c-protos.h: Update as needed.
16460 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16461 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16462 Fail for unrecognized R* constraints.
16463 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16464 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16465 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16467 (m32c_init_libfuncs): New.
16468 (m32c_legitimate_address_p): Add debug wrapper.
16469 (m32c_rtx_costs): New.
16470 (m32c_address_cost): New.
16471 (conversions): Add 'B' prefix.
16472 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16473 operands, or word regnames for QI operands. 'B' prints bit
16475 (m32c_expand_setmemhi): New.
16476 (m32c_expand_movmemhi): New.
16477 (m32c_expand_movstr): New.
16478 (m32c_expand_cmpstr): New.
16479 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16480 (m32c_expand_neg_mulpsi3): Handle non-ints.
16481 (m32c_cmp_flg_0): New.
16482 (m32c_expand_movcc): New.
16483 (m32c_expand_insv): New.
16484 (m32c_scc_pattern): New.
16485 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16486 a0/a1 out of SIregs.
16487 (STORE_FLAG_VALUE): New.
16488 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16491 * config/m32c/mov.md: Make constraints more liberal.
16492 (zero_extendqihi2): Optimize r0/r1 case.
16493 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16494 * config/m32c/predicates.md (m32c_any_operand): New.
16495 (m32c_nonimmediate_operand): New.
16496 (m32c_hl_operand): New.
16497 (m32c_r3_operand): New.
16500 (memsym_operand): New.
16501 (memimmed_operand): New.
16502 (a_qi_operand): New.
16503 (m32c_eqne_operator): New.
16504 (m32c_1bit8_operand): New.
16505 (m32c_1bit16_operand): New.
16506 (m32c_1mask8_operand): New.
16507 (m32c_1mask16_operand): New.
16508 * config/m32c/blkmov.md: New file.
16509 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16511 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16513 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16514 unsigned to fix signed/unsigned comparison issue in
16515 DWARF2_FRAME_REG_OUT.
16516 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16517 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16519 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16520 of ptr into the ENABLE_CHECKING section.
16522 2006-03-08 Jeff Law <law@redhat.com>
16524 * tree-vrp.c (infer_value_range): Only count pointer uses
16525 and dereferences if -fdelete-null-pointer-checks is enabled.
16527 * tree-vrp.c (find_assert_locations): Infer value ranges for
16528 single use pointers, but do not create ASSERT_EXPRs for them.
16529 When a non-null range is inferred for a pointer, backwards
16530 propagate that range to other equivalent pointers through the
16533 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16536 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16537 language hook targets.
16538 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16539 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16540 if language hook targets were missing.
16542 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16544 * tree-ssa-opfinalize.h: Removed.
16545 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16547 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16548 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16549 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16550 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16551 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16552 finalize_ssa_v_must_def_ops): New.
16554 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16556 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16557 block as parameter.
16559 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16561 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16563 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16564 addresses with offsets; reorganize.
16566 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16567 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16568 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16570 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16573 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16575 2006-03-08 Ben Elliston <bje@au.ibm.com>
16577 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16579 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16582 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16585 2006-03-07 Richard Guenther <rguenther@suse.de>
16587 PR tree-optimization/26587
16588 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16590 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16592 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16594 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16596 * hooks.c (hook_bool_mode_rtx_true): New function.
16597 * hooks.h (hook_bool_mode_rtx_true): Declare.
16598 * toplev.c (compile_file): Call output_shared_constant_pool.
16599 * varasm.c (shared_constant_pool): New variable.
16600 (assemble_start_function, assemble_end_function): Remove arguments
16601 from call to output_constant_pool.
16602 (create_constant_pool): New function, split out from...
16603 (init_varasm_status): ...here.
16604 (force_const_mem): Choose between the shared and per-function constant
16605 pools. Set current_function_uses_const_pool when reusing old entries
16606 as well as when creating new ones.
16607 (mark_constant): Ignore data argument.
16608 (mark_constants): Remove pool argument.
16609 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16610 to decide whether the function uses a constant pool.
16611 (output_constant_pool_contents): New function, split out from...
16612 (output_constant_pool): ...here.
16613 (output_shared_constant_pool): New function.
16614 (init_varasm_once): Initialize shared_constant_pool.
16615 * output.h (output_constant_pool): Delete.
16616 (output_shared_constant_pool): Declare.
16617 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16618 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16620 2006-03-06 Nick Clifton <nickc@redhat.com>
16622 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16623 flag_strength_reduce.
16625 2006-03-06 Ben Elliston <bje@au.ibm.com>
16627 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16628 x86_64-*-linux* configurations.
16630 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16631 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16633 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16635 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16637 * basic-block.h: Remove the extern for
16638 rediscover_loops_after_threading.
16640 * cfgloop.c (cancel_loop): Make it static.
16641 * cfgloop.h: Remove the prototype for cancel_loop.
16643 * flow.c (recompute_reg_usage): Make it static.
16644 * rtl.h: Remove the prototype for recompute_reg_usage.
16646 * function.c (use_return_register): Make it static.
16647 * function.h: Remove the prototype.
16649 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16651 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16653 * recog.h: Remove the prototype for
16654 validate_change_maybe_volatile.
16656 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16658 * rtlanal.c (replace_reg): Remove.
16659 * rtl.h: Remove the prototype for replace_reg.
16661 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16663 * regclass.c (reg_scan_update): Remove.
16664 (reg_scan_mark_refs): Remove the last argument.
16665 * rtl.h: Remove the prototype for reg_scan_update.
16667 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16669 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16670 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16671 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16672 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16673 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16674 loop-invariant.c, omp-low.c, opts.c, passes.c,
16675 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16676 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16677 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16678 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16679 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16680 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16684 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16685 * dwarf2out.h: Remove the prototype for
16686 dwarf2out_add_library_unit_info.
16688 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16690 * tree.c (add_var_to_bind_expr): Remove.
16691 * tree.h: Remove the prototype for add_var_to_bind_expr.
16693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16695 * regclass.c (n_non_fixed_regs): Remove.
16696 (init_reg_sets_1, globalize_reg): Remove all uses of
16698 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16700 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16702 * rtlanal.c (insns_safe_to_move_p): Remove.
16703 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16705 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16707 * expmed.c (expand_mult_add): Remove.
16708 * expr.h: Remove the prototype for expand_mult_add.
16710 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16712 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16713 and REG_SAVED_VAL_EXP constants.
16714 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16715 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16716 Handle regs stored by value.
16717 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16718 (execute_cfa_program): Handle DW_CFA_val_offset,
16719 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16720 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16721 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16722 (uw_install_context_1): Handle target regs stored by value.
16724 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16726 * tree-sra.c (tree_sra): Return todoflags;
16727 (generate_one_element): Set TODO_update_smt_usage if needed.
16728 (pass_sra): Remove TODO_update_smt_usage.
16729 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16731 (tree_ssa_forward_propagate_single_use_vars): Return
16732 TODO_update_smt_usage if we need to update SMT usage.
16733 (pass_forwprop): Remove TODO_update_smt_usage.
16735 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16737 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16738 (correct_use_link): Remove reference to get_stmt_operands.
16739 (update_stmt_operands): Likewise.
16740 (get_modify_expr_operands): New function factored out of
16741 parse_ssa_operands and get_expr_operands.
16742 Try to create V_MUST_DEFs for LHS by default.
16743 (get_expr_operands) <case MODIFY_EXPR>: Call
16744 get_modify_expr_operands.
16745 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16746 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16747 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16748 get_modify_expr_operands.
16750 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16752 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16753 * tree-flow.h: Remove the prototype for
16754 referenced_var_lookup_if_exists.
16756 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16758 PR rtl-optimization/26345
16760 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16762 2006-03-03 Roger Sayle <roger@eyesopen.com>
16764 PR tree-optimization/26524
16765 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16766 fold_convert to create a constant of the appropriate type.
16768 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16770 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16771 SYMBOL_REF_IN_BLOCK_P.
16772 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16773 of SYMBOL_FLAG_IN_BLOCK.
16774 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16775 instead of SYMBOL_REF_IN_BLOCK_P.
16776 * explow.c (use_anchored_address): Likewise.
16777 * rtl.c (rtx_size): Likewise.
16778 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16779 instead of SYMBOL_FLAG_IN_BLOCK.
16780 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16781 SYMBOL_REF_IN_BLOCK_P.
16782 (assemble_variable): Likewise.
16783 (output_constant_def_contents): Likewise.
16784 (output_constant_pool): Likewise.
16785 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16786 instead of SYMBOL_FLAG_IN_BLOCK.
16787 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16788 SYMBOL_REF_IN_BLOCK_P.
16789 (SYMBOL_REF_BLOCK): Likewise.
16790 (SYMBOL_REF_OFFSET): Likewise.
16791 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16792 SYMBOL_REF_IN_BLOCK_P.
16793 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16794 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16795 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16796 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16798 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16800 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16802 2006-03-02 Roger Sayle <roger@eyesopen.com>
16804 * simplify-rtx.c (simplify_unary_operation): When simplifying
16805 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16806 that we perform the right shift in the appropriate mode, and
16807 then extend or truncate the result to requested mode.
16809 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16811 * gengtype.c (main): Handle double_int type.
16812 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16813 * double-int.c: New file.
16814 * double-int.h: New file.
16815 * system.h: Include doubleint.h.
16816 * Makefile.in (SYSTEM_H): Include double-int.h.
16817 (double-int.o): Add.
16819 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16822 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16825 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16827 * tree-vrp.c (remove_range_assertions): Do not update statements
16830 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16832 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16834 * gcse.c (rest_of_handle_gcse): Ditto.
16835 * except.c (gate_handle_eh): Ditto.
16836 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16837 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16839 2006-03-02 Eric Christopher <echristo@apple.com>
16841 * config/i386/i386.c (machopic_output_stub): Add indirection to
16844 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16848 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16850 Sun Niagara specific optimizations.
16851 * config.gcc: Recognize niagara as target.
16852 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16853 (TARGET_CPU_niagara): Define.
16854 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16855 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16856 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16857 (ASM_CPU_SPEC): Likewise.
16858 (PROCESSOR_NIAGARA): New enum entry.
16859 (REGISTER_MOVE_COST): Handle Niagara.
16860 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16861 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16862 (sparc_override_options): Recognize "niagara", set appropriate
16863 default MASK_* values for it, and align functions to 32-bytes
16864 by default just like ULTRASPARC/ULTRASPARC3.
16865 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16866 (sparc64_initialize_trampoline): Likewise.
16867 (sparc_use_sched_lookahead): Use zero for niagara.
16868 (sparc_issue_rate): Use one for niagara.
16869 * config/sparc/niagara.md: New file.
16870 * config/sparc/sparc.md: Include it.
16871 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16872 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16873 when default cpu is niagara.
16874 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16875 (ASM_CPU_SPEC): Likewise.
16876 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16877 when default cpu is niagara.
16878 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16879 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16880 just like v9/ultrasparc/ultrasparc3.
16881 * doc/invoke.texi: Add documentation for "niagara" and improve
16882 existing documentation for ultrasparc variants.
16884 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16886 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16888 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16890 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16891 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16892 and say that only one is needed.
16893 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16894 * target.h (have_switchable_bss_sections): New hook.
16895 * explow.c (use_anchored_address): Check that the symbol is in a block.
16896 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16897 (bss_noswitch_section): New variables.
16898 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16899 (get_noswitch_section): New function.
16900 (get_block_for_section): Allow SECT to be null.
16901 (unlikely_text_section_p): Use SECTION_STYLE.
16902 (bss_initializer_p): New function.
16903 (get_variable_section): Move earlier in file. Take a new argument,
16904 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16905 Return one of the new *_sections in such cases.
16906 (get_block_for_decl): New function, extracting some logic from
16907 use_blocks_for_decl_p.
16908 (change_symbol_section): Remove in favor of...
16909 (change_symbol_block): ...this new function.
16910 (use_blocks_for_decl_p): Remove checks now performed by
16911 get_block_for_decl.
16912 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16913 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16914 (emit_local, emit_bss, emit_common): ...these new functions.
16915 Return true if the alignment was honored.
16916 (emit_tls_common): New function.
16917 (asm_emit_uninitialised): Delete.
16918 (assemble_variable_noswitch): New function, split out from...
16919 (assemble_variable): ...here. Don't make decisions about common
16920 variables here. Globalize all public decls that go into non-common
16921 sections. Check whether SYMBOL_REF_BLOCK is null.
16922 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16923 (output_constant_pool): Likewise.
16924 (init_varasm_once): Initialize the new section variables.
16925 (have_global_bss_p): New function.
16926 (categorize_decl_for_section): Use bss_initializer_p.
16927 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16928 (place_block_symbol): Assert that the symbol must be in a block.
16929 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16930 (TARGET_INITIALIZER): Include it.
16931 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16932 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16933 (SECTION_MACH_DEP): Bump by two.
16934 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16935 (unnamed_section): Mention SECTION_UNNAMED in comment.
16936 (named_section): Likewise SECTION_NAMED.
16937 (noswitch_section_callback): New type.
16938 (noswitch_section): New structure.
16939 (section): Add a noswitch_section alternative.
16940 (SECTION_STYLE): New macro.
16941 (tls_comm_section, comm_section, lcomm_section): Declare.
16942 (bss_noswitch_section, have_global_bss_p): Declare.
16943 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16944 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16946 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16947 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16950 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16952 * tree-vrp.c (execute_vrp): Return value.
16953 * regrename.c (rest_of_handle_regrename): Ditto.
16954 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16955 * tree-complex.c (tree_lower_complex): Ditto.
16956 (tree_lower_complex_O0): Ditto.
16957 * tracer.c (rest_of_handle_tracer): Ditto.
16958 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16959 * postreload.c (rest_of_handle_postreload): Ditto.
16960 * tree-tailcall.c (execute_tail_recursion): Ditto.
16961 (execute_tail_calls): Ditto.
16962 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16963 * tree.h (init_function_for_compilation): Ditto.
16964 * ipa-cp.c (ipcp_driver): Ditto.
16965 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16966 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16967 * final.c (compute_alignments): Ditto.
16968 (rest_of_handle_final): Ditto.
16969 (rest_of_handle_shorten_branches): Ditto.
16970 (rest_of_clean_state): Ditto.
16971 * omp-low.c (execute_expand_omp): Ditto.
16972 (execute_lower_omp): Ditto.
16973 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16974 * ipa-reference.c (static_execute): Ditto.
16975 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16976 * reorg.c (rest_of_handle_delay_slots): Ditto.
16977 (rest_of_handle_machine_reorg): Ditto.
16978 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16979 * flow.c (recompute_reg_usage): Ditto.
16980 (rest_of_handle_remove_death_notes): Ditto.
16981 (rest_of_handle_life): Ditto.
16982 (rest_of_handle_flow2): Ditto.
16983 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16984 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16985 (do_ssa_store_ccp): Ditto.
16986 (execute_fold_all_builtins): Ditto.
16987 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16988 * modulo-sched.c (rest_of_handle_sms): Ditto.
16989 * ipa-pure-const.c (static_execute): Ditto.
16990 * cse.c (rest_of_handle_cse): Ditto.
16991 (rest_of_handle_cse2): Ditto.
16992 * web.c (rest_of_handle_web): Ditto.
16993 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16994 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16995 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16996 * tree-nrv.c (tree_nrv): Ditto.
16997 (execute_return_slot_opt): Ditto.
16998 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16999 (create_structure_vars): Ditto.
17000 * loop-init.c (rtl_loop_init): Ditto.
17001 (rtl_loop_done): Ditto.
17002 (rtl_move_loop_invariants): Ditto.
17003 (rtl_unswitch): Ditto.
17004 (rtl_unroll_and_peel_loops): Ditto.
17005 (rtl_doloop): Ditto.
17006 * gimple-low.c (lower_function_body): Ditto.
17007 (mark_used_blocks): Ditto.
17008 * tree-ssa-sink.c (execute_sink_code): Ditto.
17009 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17010 (cgraph_early_inlining): Ditto.
17011 * global.c (rest_of_handle_global_alloc): Ditto.
17012 * jump.c (cleanup_barriers): Ditto.
17013 (purge_line_number_notes): Ditto.
17014 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17015 (rest_of_handle_if_after_reload): Ditto.
17016 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17017 (tree_ssa_loop_im): Ditto.
17018 (tree_ssa_loop_unswitch): Ditto.
17019 (tree_vectorize): Ditto.
17020 (tree_linear_transform): Ditto.
17021 (tree_ssa_loop_ivcanon): Ditto.
17022 (tree_ssa_empty_loop): Ditto.
17023 (tree_ssa_loop_bounds): Ditto.
17024 (tree_complete_unroll): Ditto.
17025 (tree_ssa_loop_prefetch): Ditto.
17026 (tree_ssa_loop_ivopts): Ditto.
17027 (tree_ssa_loop_done): Ditto.
17028 * predict.c (tree_estimate_probability): Ditto.
17029 * recog.c (split_all_insns_noflow): Ditto.
17030 (rest_of_handle_peephole2): Ditto.
17031 (rest_of_handle_split_all_insns): Ditto.
17032 * tree-eh.c (lower_eh_constructs): Ditto.
17033 * regmove.c (rest_of_handle_regmove): Ditto.
17034 (rest_of_handle_stack_adjustments): Ditto.
17035 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17036 * function.c (instantiate_virtual_regs): Ditto.
17037 (init_function_for_compilation): Ditto.
17038 (rest_of_handle_check_leaf_regs): Ditto.
17039 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17040 (rest_of_handle_gcse): Ditto.
17041 * ipa-type-escape.c (type_escape_execute): Ditto.
17042 * alias.c (rest_of_handle_cfg): Ditto.
17043 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17044 * profile.c (rest_of_handle_branch_prob): Ditto.
17045 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17046 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17047 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17048 * tree-dfa.c (find_referenced_vars): Ditto.
17049 * except.c (set_nothrow_function_flags): Ditto.
17050 (convert_to_eh_region_ranges): Ditto.
17051 (rest_of_handle_eh): Ditto.
17052 * emit-rtl.c (unshare_all_rtl): Ditto.
17053 (remove_unnecessary_notes): Ditto.
17054 * except.h (set_nothrow_function_flags): Ditto.
17055 (convert_to_eh_region_ranges): Ditto.
17056 * cfgexpand.c (tree_expand_cfg): Ditto.
17057 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17058 * tree-ssa-pre.c (do_pre): Ditto.
17059 (execute_fre): Ditto.
17060 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17061 (rest_of_handle_jump2): Ditto.
17062 * tree-sra.c (tree_sra): Ditto.
17063 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17064 (execute_mudflap_function_decls): Ditto.
17065 * tree-ssa-copy.c (do_copy_prop): Ditto.
17066 (do_store_copy_prop): Ditto.
17067 * ipa-prop.h (ipcp_driver): Ditto.
17068 * cfglayout.c (insn_locators_initialize): Ditto.
17069 * tree-ssa-forwprop.c
17070 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17071 * cfglayout.h (insn_locators_initialize): Ditto.
17072 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17073 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17074 (execute_late_warn_uninitialized): Ditto.
17075 * rtl.h (cleanup_barriers): Ditto.
17076 (split_all_insns_noflow): Ditto.
17077 (purge_line_number_notes): Ditto.
17078 (unshare_all_rtl): Ditto.
17079 (remove_unnecessary_notes): Ditto.
17080 (recompute_reg_usage): Ditto.
17081 (variable_tracking_main): Ditto.
17082 * integrate.c (emit_initial_value_sets): Ditto.
17083 * integrate.h (emit_initial_value_sets): Ditto.
17084 * tree-optimize.c (execute_free_datastructures): Ditto
17085 (execute_free_cfg_annotations): Ditto.
17086 (execute_fixup_cfg): Ditto.
17087 (execute_cleanup_cfg_pre_ipa): Ditto.
17088 (execute_cleanup_cfg_post_optimizing): Ditto.
17089 (execute_init_datastructures): Ditto.
17090 * tree-object-size.c (compute_object_sizes): Ditto.
17091 * combine.c (rest_of_handle_combine): Ditto.
17092 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17093 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17094 (rest_of_handle_reorder_blocks): Ditto.
17095 (rest_of_handle_partition_blocks): Ditto.
17096 * var-tracking.c (variable_tracking_main): Ditto.
17097 * tree-profile.c (tree_profiling): Ditto.
17098 * tree-vect-generic.c (expand_vector_operations): Ditto.
17099 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17100 * sched-rgn.c (rest_of_handle_sched): Ditto.
17101 (rest_of_handle_sched2): Ditto.
17102 * basic-block.h (free_bb_insn): Ditto.
17103 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17104 * tree-cfg.c (execute_build_cfg): Ditto.
17105 (remove_useless_stmts): Ditto.
17106 (split_critical_edges): Ditto.
17107 (execute_warn_function_return): Ditto.
17108 (execute_warn_function_noreturn): Ditto.
17109 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17110 * cfgrtl.c (free_bb_for_insn): Ditto.
17111 * passes.c (execute_one_pass): Run additional
17112 todos returned by execute function.
17113 * tree-pass.h (struct tree_opt_pass): Make execute
17116 2006-03-02 Richard Guenther <rguenther@suse.de>
17118 * tree-ssa-alias.c (find_used_portions): Consider taking
17119 the address as making the variable not write-only.
17121 2006-03-02 Nick Clifton <nickc@redhat.com>
17123 * config.gcc (default_use_cxa_atexit): Extend the description of
17124 this configure variable. Set its default value to "yes" for
17125 Linux, NetBSD and ELF targets on the assumption that they will
17126 use C libraries with the __cxa_atexit function.
17128 2006-03-02 Ben Elliston <bje@au.ibm.com>
17130 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17131 parameter as unused to suppress a build warning.
17133 2006-03-02 Ben Elliston <bje@au.ibm.com>
17135 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17138 2006-03-01 Roger Sayle <roger@eyesopen.com>
17141 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17142 declared name, the weak reference name, and the typeof name.
17143 (__gthrw): Avoid expanding the declared name suffix.
17144 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17146 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17148 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17150 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17151 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17152 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17153 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17154 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17155 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17156 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17157 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17158 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17159 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17160 (DW_END_default, DW_END_big, DW_END_little): New.
17161 (DW_END_lo_user, DW_END_hi_user): Define.
17162 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17163 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17164 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17167 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17169 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17171 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17173 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17175 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17177 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17178 to 'symbol_mem_tag'.
17180 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17183 2006-03-01 Roger Sayle <roger@eyesopen.com>
17185 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17187 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17190 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17191 MACHO_DYNAMIC_NO_PIC_P.
17192 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17194 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17197 * config/darwin-protos.h (darwin_asm_output_anchor):
17199 * config/darwin-sections.def (cstring_section):
17200 Add SECTION_MERGE to the flags.
17201 (literal4_section): Likewise.
17202 (literal8_section): Likewise.
17203 (objc_selector_refs_section): Likewise.
17204 (objc_cls_refs_section): Likewise.
17205 * config/darwin.c (darwin_asm_output_anchor): New
17207 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17209 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17211 Fix PR tree-optimization/26443
17212 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17213 to todo and PROP_tmt_usage to properties_destroyed.
17214 * tree-ssa-ccp.c (pass_ccp): Ditto.
17215 (pass_store_ccp): Ditto.
17216 * tree-ssa-dom.c (pass_dominator): Ditto.
17218 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17220 * tree-ssa-operands.c: Cleanup whitespace.
17221 (get_asm_expr_operands): Move before first invocation.
17222 (get_indirect_ref_operands): Likewise.
17223 (get_tmr_operands): Likewise.
17224 (get_call_expr_operands): Likewise.
17225 (append_def): Likewise.
17226 (append_use): Likewise.
17227 (append_v_may_def): Likewise.
17228 (append_v_must_def): Likewise.
17229 (add_call_clobber_ops): Likewise.
17230 (add_call_read_ops): Likewise.
17231 (add_stmt_operand): Likewise.
17232 (add_virtual_operand): Likewise.
17233 (build_ssa_operands): Likewise.
17235 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17237 PR middle-end/26022
17239 PR middle-end/24437
17240 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17241 with a call expr to ...
17242 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17244 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17246 * tree-vrp.c (extract_range_from_assert): Remove special
17247 handling for types with super-types.
17249 2006-03-01 Ben Elliston <bje@au.ibm.com>
17251 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17252 and powerpc64-*-linux* configurations.
17253 * config/t-dfprules: New file.
17255 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17256 Compile dfp-bit.c from the source directory using -DWIDTH and
17257 $DFP_CFLAGS to control the compilation of that file, rather than
17258 generating width-specific versions in the build directory.
17259 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17260 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17262 2006-02-28 Zack Weinberg <zackw@panix.com>
17264 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17267 2006-02-28 Eric Christopher <echristo@apple.com>
17269 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17270 Set up IN_LIBGCC definition of TARGET_64BIT.
17271 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17273 2006-02-28 Roger Sayle <roger@eyesopen.com>
17275 PR middle-end/14752
17276 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17277 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17278 cases via the construction of "expr != 0".
17280 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17282 * alias.c (alias_invariant, alias_invariant_size): Remove.
17283 (record_base_value): Remove.
17284 (memrefs_conflict_p): Don't look at alias_invariant.
17285 (end_alias_analysis): Don't free it.
17286 * alias.h (record_base_value): Remove prototype.
17288 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17289 Adam Nemet <anemet@caviumnetworks.com>
17291 * rtl.h (truncated_to_mode): Declare it.
17292 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17293 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17294 (RTL_HOOKS_INITIALIZER): Include it.
17295 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17296 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17297 reg_truncated_to_mode.
17298 * rtlanal.c (truncated_to_mode): Define it.
17299 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17301 2006-02-28 Jeff Law <law@redhat.com>
17303 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17304 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17305 the range allowed by TYPE_PRECISION.
17307 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17309 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17311 PR tree-optimization/26419
17312 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17315 2006-02-27 Zack Weinberg <zackw@panix.com>
17317 * doc/md.texi: Fix typo in previous change.
17319 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17323 2006-02-27 Zack Weinberg <zackw@panix.com>
17325 * rtl.def (define_constraint, define_register_constraint)
17326 (define_memory_constraint, define_address_constraint): New MD forms.
17327 * gensupport.c (process_rtx): Put define_constraint etc on the
17329 * genpreds.c (process_define_predicate): Adjust comment. Validate
17330 the name, and call validate_exp to validate the expression.
17331 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17332 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17333 all callers changed.
17334 (validate_exp, needs_variable, struct constraint_data)
17335 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17336 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17337 (const_dbl_constraints, constraint_max_namelen)
17338 (have_register_constraints, have_memory_constraints)
17339 (have_address_constraints, have_address_constraints)
17340 (have_extra_constraints, have_const_int_constraints)
17341 (have_const_dbl_constraints, mangle, add_constraint)
17342 (process_define_constraint, process_define_register_constraint)
17343 (write_enum_constraint_num, write_lookup_constraint)
17344 (write_insn_constraint_len, write_regclass_for_constraint)
17345 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17346 (write_insn_extra_memory_constraint)
17347 (write_insn_extra_address_constraint)
17348 (write_satisfies_constraint_fns): New.
17349 (write_tm_preds_h): If we have new-style constraint definitions,
17350 prototype the functions generated from them, and define the
17351 old constraint interface (still used by generic code) in terms of
17353 (write_insn_preds_c): If we have new-style constraint definitions,
17354 generate all relevant functions from those definitions.
17355 (main): Handle define_constraint etc.
17356 * genoutput.c (struct constraint_data, indep_constraints)
17357 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17358 (mdep_constraint_len): New data structures and functions, defined
17359 #ifdef USE_MD_CONSTRAINTS.
17360 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17361 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17362 use new logic to validate operand constraints against constraint
17364 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17366 * defaults.h: If none of the old-style constraint macros are
17367 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17368 old-style macros; and poison REG_CLASS_FROM_LETTER,
17369 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17371 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17372 * doc/md.texi: Document new constraint-definition mechanism and the
17373 C interface it provides. Remove references to old mechanism
17374 elsewhere in the document.
17375 (Machine Constraints): Use pathnames relative to gcc directory,
17376 i.e. config/ARCH/FILE. Change i386 section to refer to
17377 config/i386/predicates.md; update that section to match docstrings.
17378 * doc/tm.texi: Move all documentation of the old constraint-
17379 definition macros to their own section, clearly mark as obsolete.
17381 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17382 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17384 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17385 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17386 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17387 constraint strings.
17388 (splits and peepholes): Use satisfies_constraint_*.
17389 * config/i386/i386.c (memory_address_length)
17390 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17392 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17394 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17395 scalar operation to be put back into the loop.
17397 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17400 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17401 (extract_cie_info): Handle S flag in augmentation string.
17402 (execute_cfa_program): If context->signal_frame, execute also
17403 fs->pc == context->ra instructions.
17404 (uw_frame_state_for): If context->signal_frame, don't subtract one
17405 from context->ra to find FDE.
17406 (uw_update_context_1): Set context->signal_frame to
17408 (_Unwind_GetIPInfo): New function.
17409 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17410 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17412 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17413 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17414 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17415 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17416 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17417 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17418 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17419 x86_64_fallback_frame_state): Set fs->signal_frame.
17420 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17421 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17422 (frob_update_context): Likewise. Workaround missing S flag in
17423 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17424 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17425 Remove the psw_addr + 1 hack.
17427 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17429 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17430 with aggregates here.
17431 (find_func_aliases): Remove code for &<aggregate> from here.
17433 2006-02-26 Roger Sayle <roger@eyesopen.com>
17435 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17436 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17437 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17438 as (X & C) ne/eq 0.
17440 2006-02-26 Roger Sayle <roger@eyesopen.com>
17442 PR middle-end/19983
17443 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17445 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17447 * opts.c (decode_options): Do not handle flag_strength_reduce.
17448 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17449 and OPT_fstrength_reduce.
17450 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17451 flag_prefetch_loop_arrays for being nonzero.
17452 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17454 (fprefetch-loop-arrays-rtl): Removed.
17455 (flag_prefetch_loop_arrays): Do not specify the value.
17457 * doc/passes.texi: Update documentation of loop optimizer
17459 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17460 -frerun-loop-opt): Remove.
17462 2006-02-26 Richard Guenther <rguenther@suse.de>
17464 PR tree-optimization/26421
17465 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17466 in function calls that are ADDR_EXPRs as using the whole structure.
17468 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17470 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17471 * tree-pass.h (pass_loop_optimize): Remove.
17472 * passes.c (pass_loop_optimize): Never run it.
17473 * toplev.c (backend_init): Don't call init_loop.
17474 * opts.c (flag_loop_optimize_set): Remove.
17475 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17476 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17477 the old RTL loop optimizer when profiling enabled.
17478 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17479 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17480 pre-headers for the sake of the old RTL loop optimizer.
17481 * Makefile.in: Remove all references to loop.o.
17483 * doc/invoke.texi: Remove all references to -floop-optimize
17484 and -frerun-loop-opt.
17486 2006-02-26 Zack Weinberg <zackw@panix.com>
17488 * doc/md.texi (Machine Constraints): Refer to all files with paths
17489 relative to gcc directory (i.e. config/CPU/file). Add missing
17490 @table @code ... @end table to M32C subsection.
17492 2006-02-26 Roger Sayle <roger@eyesopen.com>
17494 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17496 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17498 2006-02-26 Roger Sayle <roger@eyesopen.com>
17499 James A. Morrison <phython@gcc.gnu.org>
17501 PR middle-end/21137
17502 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17503 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17504 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17505 signedness of the shift operation.
17507 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17509 PR tree-optimization/26359
17510 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17512 2006-02-25 Roger Sayle <roger@eyesopen.com>
17514 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17515 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17516 as X == 0, and some symmetry related transformations.
17517 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17519 2006-02-25 Roger Sayle <roger@eyesopen.com>
17521 PR middle-end/23673
17522 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17523 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17524 symmetry related transformations. Fold (X^C1) == C2 as
17527 2006-02-25 Juergen Weigert <jw@suse.de>
17528 Richard Guenther <rguenther@suse.de>
17530 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17532 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17534 * combine.c (gen_lowpart_or_truncate): Call
17535 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17537 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17539 * doc/invoke.texi: Move -fopenmp description to "Options for
17541 Remove reference to -lgomp.
17543 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17545 * doc/install.texi: Require GNU tar version 1.14.
17547 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17549 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17550 * doc/invoke.texi (C++ Dialect Options): Document
17551 -fno-use-cxa-get-exception-ptr.
17552 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17553 * configure: Regenerate.
17554 * c.opt (fuse-cxa-get-exception-ptr): New.
17555 * c-opts.c (c_common_handle_option): Handle
17556 OPT_fuse_cxa_get_exception_ptr.
17557 * c-common.c (flag_use_cxa_atexit): Update documentation.
17558 (flag_use_cxa_get_exception_ptr): New.
17559 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17560 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17562 (C_COMMON_OVERRIDE_OPTIONS): New.
17564 2006-02-24 Roger Sayle <roger@eyesopen.com>
17566 PR middle-end/24952
17567 * combine.c (try_combine): Explicitly check whether GET_CODE is
17568 a SET or a CLOBBER, instead on checking that it isn't a USE.
17570 2006-02-24 Roger Sayle <roger@eyesopen.com>
17572 * fold-const.c (fold_comparison): New subroutine of fold_binary
17573 containing transformations common to both the equality and
17574 ordering relational operators, factored out of fold_binary.
17575 (fold_binary): Separate out the equality operators (EQ_EXPR
17576 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17577 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17578 transformations common to both.
17579 (fold_div_compare): Fix latent bugs in the previously unreachable
17580 LT_EXPR and GE_EXPR cases.
17582 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17584 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17585 decl libname for clog to __clog on AIX.
17587 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17589 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17592 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17593 output traceback table for thunks. Localise rs6000_stack_info call.
17595 2006-02-23 Roger Sayle <roger@eyesopen.com>
17596 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17598 * gthr-posix.h (__gthrw): Fix typo in comment.
17600 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17602 * doc/cpp.texi (Character sets): Document that we do support
17603 input files to be in any character set.
17605 2006-02-23 Jeff Law <law@redhat.com>
17607 * tree.h (PHI_ARG_NONZERO): Remove.
17608 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17609 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17610 node to the new node.
17612 PR tree-optimization/26425
17613 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17614 min/max, then assume its varying.
17616 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17618 PR rtl-optimization/26316
17619 * rtlanal.c (enum may_trap_p_flags): New.
17620 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17621 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17622 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17623 (may_trap_after_code_motion_p): New function.
17624 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17625 (find_invariant_insn): Use may_trap_after_code_motion_p.
17626 * rtl.h (may_trap_after_code_motion_p): Declare.
17628 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17630 * emit-rtl.c (immed_double_const): Cleanup.
17632 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17634 Fix PR tree-optimization/26376
17635 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17638 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17640 PR middle-end/26412
17641 * gimplify.c (omp_add_variable): Guard variable size decl test with
17642 DECL_SIZE (decl) check.
17644 2006-02-23 Richard Guenther <rguenther@suse.de>
17646 PR middle-end/26439
17647 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17648 like aggregate types.
17650 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17652 * configure.ac: Add --with{,out}-long-double-128 configure option.
17653 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17654 * configure: Rebuilt.
17655 * config.in: Rebuilt.
17656 * doc/install.texi (Options specification): Document
17657 --with-long-double-128.
17659 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17660 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17661 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17662 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17664 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17666 * config/s390/s390.c (override_options): Handle
17667 TARGET_DEFAULT_LONG_DOUBLE_128.
17669 * config/alpha/alpha.c (override_options): Handle
17670 TARGET_DEFAULT_LONG_DOUBLE_128.
17672 * config/sparc/sparc.c (sparc_override_options): Handle
17673 TARGET_DEFAULT_LONG_DOUBLE_128.
17675 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17677 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17678 (real-install-headers-tar, real-install-headers-cpio)
17679 (real-install-headers-cp): New targets.
17681 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17683 * tree.h (variable_section): Delete.
17684 * varasm.c (variable_section): Delete.
17686 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17688 * install.texi: Add notes on install.texi2html.
17689 (Building in parallel): Do not use footnotes.
17691 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17694 * doc/install.texi (Configuration): Document --disable-libgomp.
17696 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17698 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17700 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17702 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17703 (vec_extractv2df_0_sse): New.
17705 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17707 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17708 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17709 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17710 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17711 to the result of the expression.
17712 (def_cfa_1): Adjust.
17713 (frame_pointer_cfa_offset): Rename to...
17714 (frame_pointer_fb_offset): ... this. Adjust all uses.
17715 (convert_cfa_to_loc_list): Rename to...
17716 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17717 Pass it on to build_cfa_loc.
17718 (compute_frame_pointer_to_cfa_displacement): Rename to...
17719 (compute_frame_pointer_to_fb_displacement): ... this. New
17720 offset parameter. Use it in computation.
17721 (gen_subprogram_die): Compute cfa_fb_offset with the new
17722 macro, and use it to compute the fb loc list and the
17725 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17727 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17728 replaced with register_operand.
17729 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17730 non-DREG is expensive.
17731 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17732 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17735 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17737 * doc/install.texi2html: Use set -e.
17739 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17741 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17742 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17743 * doc/invoke.texi (-fshared-data): Delete.
17744 * common.opt (fshared-data): Delete.
17745 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17746 (assemble_static_space): Remove #if 0 code.
17747 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17748 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17749 * config/cris/cris.h: Remove FIXME.
17751 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17753 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17756 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17758 PR middle-end/26379
17759 * combine.c (simplify_shift_const_1): Disable nested shifts
17760 optimization for vector shifts.
17762 2006-02-20 Roger Sayle <roger@eyesopen.com>
17764 PR tree-optimization/26361
17765 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17766 of unsigned integer types.
17768 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17770 * tree-chrec.c (eq_evolutions_p): New.
17771 * tree-chrec.h (eq_evolutions_p): Declared.
17772 * tree-data-ref.c: Fix formatting.
17773 (datadep_stats, dependence_stats): New.
17775 (print_direction_vector): New.
17776 (dump_data_dependence_relation): Use print_direction_vector.
17777 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17778 (compute_subscript_distance): Static.
17779 (initialize_data_dependence_relation): Static. Get the number
17780 of loops surrounding the references from the callers, and initialize
17781 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17782 base_object_differ_p analyzers.
17783 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17784 compute_overlap_steps_for_affine_1_2,
17785 analyze_subscript_affine_affine): Count the classified dependences.
17786 Print a message when a test failed.
17787 (can_use_analyze_subscript_affine_affine): New.
17788 (analyze_siv_subscript): Compute the data dependences on symbolic
17789 scevs that verify can_use_analyze_subscript_affine_affine.
17790 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17791 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17792 Handle symbolic scevs.
17793 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17795 (subscript_dependence_tester): Moved...
17796 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17797 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17798 DDR_SIZE_VECT instead of getting it in parameter.
17799 (subscript_dependence_tester): ... here. Take as a parameter
17800 loop_nest_depth. Call build_classic_dist_vector and
17801 build_classic_dir_vector.
17802 (compute_affine_dependence): Update subscript_dependence_tester
17803 parameters. Update datadep_stats counters. Call
17804 compute_subscript_distance.
17805 (compute_self_dependence): Save the dist and dir vectors. Call
17806 compute_subscript_distance.
17807 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17808 (compute_all_dependences): Reorder parameters as they were before
17809 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17810 compute_subscript_distance. Update the use of
17811 compute_affine_dependence and initialize_data_dependence_relation.
17812 (find_data_references_in_loop): Handle COMPONENT_REF.
17813 (compute_data_dependences_for_loop): Initialize dependence_stats.
17814 Don't call build_classic_dist_vector and build_classic_dir_vector.
17815 Update the parameters of initialize_data_dependence_relation and
17816 compute_all_dependences. Print the statistics from datadep_stats.
17817 (analyze_all_data_dependences): Static. Not used until the pass for
17818 checking the data dependences is contributed.
17819 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17820 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17821 (initialize_data_dependence_relation, compute_affine_dependence,
17822 analyze_all_data_dependences, compute_subscript_distance): Removed.
17823 (print_direction_vector): New.
17824 * lambda.h (gcd): ... here.
17825 (lambda_vector_gcd): Moved here from gcd_vector.
17826 * lambda-code.c (gcd, gcd_vector): Removed.
17827 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17828 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17830 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17832 * ipa-type-escape.c: Tidy some comments and white space.
17833 * tree-ssa-operands.c: Likewise.
17835 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17838 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17839 (dump_decl_name): Do not walk the decl tree chains.
17840 * tree-pass.h (TDF_CHAIN): Remove.
17842 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17844 * Makefile.in (C): Remove
17846 (.PHONY): Remove C and PROTO
17848 2006-02-20 Roger Sayle <roger@eyesopen.com>
17850 PR middle-end/26236
17851 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17852 deprecated CHAR_TYPE tree code.
17854 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17856 * configure.ac (target_list): Add install-info, dvi, html.
17857 * configure: Regenerate.
17859 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17860 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17861 treelang/Make-lang.in: Do not use double-colon rules.
17863 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17865 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17866 (TMT_USED_ALONE): New macro.
17867 * tree-pass.h (PROP_tmt_usage): New property.
17868 (TODO_update_tmt_usage): New todo.
17869 * tree-ssa-alias.c (updating_used_alone): New variable.
17870 (recalculate_used_alone): New function.
17871 (compute_may_aliases): Set updating_used_alone, call
17872 recalculate_used_alone.
17873 * tree-sra.c (pass_sra): Note that this pass destroys
17874 PROP_tmt_usage, and add TODO_update_tmt_usage.
17875 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17876 * tree-flow.h (updating_used_alone): Prototype.
17877 (recalculate_used_alone): Ditto.
17878 * passes.c (execute_todo): Add code to set updating_used_alone,
17879 and call recalculate.
17880 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17881 for clobber if used alone, and add assert to verify used_alone
17884 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17886 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17887 for non tls symbols added.
17888 (legitimize_address): Do nothing for PLUS expressions if one of the
17889 addends is a tls symbol reference.
17891 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17895 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17897 * Makefile.in (BOOTSTRAPPING): New.
17898 (quickstrap): New definition if BOOTSTRAPPING=yes.
17900 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17901 * configure.ac: Substitute all_selected_languages with the languages
17902 that were configured. For all the other variables except
17903 lang_specs_files, include all the languages in the tree.
17904 * configure: Regenerate.
17906 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17907 if there is one. Run the commands to run fixincludes in the same
17910 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17911 * doc/install.texi: Document exact conventions for searching target tools.
17912 Document --with-build-time-tools. Document toplevel bootstrap. Document
17913 something more about building an Ada cross-compiler. Don't list GNU Make
17914 requirements which affect all platforms.
17916 2006-02-19 Roger Sayle <roger@eyesopen.com>
17918 PR middle-end/19543
17919 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17920 only equivalent if the have both the same mode and precision.
17922 2006-02-20 Ben Elliston <bje@au.ibm.com>
17924 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17926 2006-02-19 Roger Sayle <roger@eyesopen.com>
17927 Steven Bosscher <stevenb.gcc@gmail.com>
17929 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17930 constant pool references to identify stack mode constants.
17931 * rtlanal.c (constant_pool_constant_p): New predicate to check
17932 whether operand is a floating point constant in the pool.
17933 * rtl.h (constant_pool_constant_p): Prototype here.
17934 * loop.c (scan_loop): Avoid hoisting constants from the constant
17935 pool on STACK_REGS targets.
17936 (load_mems): Likewise.
17937 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17938 loads into x87 registers expensive in terms of register pressure.
17940 2006-02-19 Roger Sayle <roger@eyesopen.com>
17942 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17943 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17945 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17947 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17948 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17950 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17952 * doc/invoke.texi: Document -fipa-pta.
17953 * common.opt: Add ipa-pta option.
17954 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17955 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17956 (do_ds_constraint): Ditto.
17957 (get_constraint_for): Only add to referenced_vars if
17958 referenced_vars exists.
17959 (insert_into_field_list): Rewrite to do this unsorted.
17960 (insert_into_field_list_sorted): Rename old insert_into_field_list
17962 (create_function_info_for): Use insert_into_field_list_sorted.
17963 (create_variable_info_for): Rewrite so it uses unsorted version,
17964 since the field list is sorted.
17965 (intra_create_variable_infos): Only add to referenced_vars if
17966 referenced_vars exists.
17967 (ipa_pta_execute): Init heapvars, and delete when done.
17968 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17970 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17972 * doc/install.texi: Add missing `@samp'.
17974 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17976 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17979 2006-02-18 Mark Wielaard <mark@klomp.org>
17981 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17982 who added new 4.1 features, bug fixes and integration support.
17984 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17987 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17988 MEM for ABI_V4 pic.
17990 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17992 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17993 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17994 (copy_insn_1): Likewise. Don't copy each field individually.
17996 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17998 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17999 * rtl.c (rtx_size): Rename variable to...
18000 (rtx_code_size): ...this.
18001 (rtx_size): New function.
18002 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18003 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18005 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18006 * rtl.h (rtx_code_size): New variable.
18007 (rtx_size): Change from a variable to a function.
18008 (RTX_SIZE): Rename to...
18009 (RTX_CODE_SIZE): ...this.
18012 PR tree-optimization/17106
18013 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18014 (Anchored Addresses): New section.
18015 * doc/invoke.texi (-fsection-anchors): Document.
18016 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18017 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18018 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18019 * hooks.c (hook_bool_mode_rtx_false): New function.
18020 * hooks.h (hook_bool_mode_rtx_false): Declare.
18021 * gengtype.c (create_optional_field): New function.
18022 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18023 SYMBOL_REF_IN_BLOCK_P is true.
18024 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18025 (min_anchor_offset, max_anchor_offset): Likewise.
18026 (use_anchors_for_symbol_p): New hook.
18027 * toplev.c (compile_file): Call output_object_blocks.
18028 (target_supports_section_anchors_p): New function.
18029 (process_options): Check that -fsection-anchors is only used on
18030 targets that support it and when -funit-at-a-time is in effect.
18031 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18032 if the decl doesn't have one.
18033 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18034 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18035 of force_const_mem through use_anchored_address.
18036 (expand_expr_constant): New function.
18037 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18038 calling expand_expr for INDIRECT_REF.
18039 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18040 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18041 * expr.h (use_anchored_address): Declare.
18042 * loop-unroll.c: Don't declare rtx vectors here.
18043 * explow.c: Include output.h.
18044 (validize_mem): Call use_anchored_address.
18045 (use_anchored_address): New function.
18046 * common.opt (-fsection-anchors): New switch.
18047 * varasm.c (object_block_htab, anchor_labelno): New variables.
18048 (hash_section, object_block_entry_eq, object_block_entry_hash)
18049 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18050 (use_blocks_for_decl_p, change_symbol_section): New functions.
18051 (get_variable_section): New function, split out from assemble_variable.
18052 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18053 use_blocks_for_decl_p say so. Use change_symbol_section if the
18054 symbol has already been created.
18055 (assemble_variable_contents): New function, split out from...
18056 (assemble_variable): ...here. Don't output any code for
18057 block symbols; just pass them to place_block_symbol.
18058 Use get_variable_section and assemble_variable_contents.
18059 (get_constant_alignment, get_constant_section, get_constant_size): New
18060 functions, split from output_constant_def_contents.
18061 (build_constant_desc): Create a block symbol if use_object_blocks_p
18062 says so. Or into SYMBOL_REF_FLAGS.
18063 (assemble_constant_contents): New function, split from...
18064 (output_constant_def_contents): ...here. Don't output any code
18065 for block symbols; just pass them to place_section_symbol.
18066 Use get_constant_section and get_constant_alignment.
18067 (force_const_mem): Create a block symbol if use_object_blocks_p and
18068 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18069 (output_constant_pool_1): Add an explicit alignment argument.
18070 Don't switch sections here.
18071 (output_constant_pool): Adjust call to output_constant_pool_1.
18072 Switch sections here instead. Don't output anything for block symbols;
18073 just pass them to place_block_symbol.
18074 (init_varasm_once): Initialize object_block_htab.
18075 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18076 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18077 (place_block_symbol, get_section_anchor, output_object_block)
18078 (output_object_block_htab, output_object_blocks): New functions.
18079 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18080 (TARGET_ASM_OUT): Include it.
18081 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18082 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18083 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18084 (TARGET_INITIALIZER): Include them.
18085 * rtl.c (rtl_check_failed_block_symbol): New function.
18086 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18087 (block_symbol, object_block): New structures.
18088 (rtx_def): Add a block_symbol field to the union.
18089 (BLOCK_SYMBOL_CHECK): New macro.
18090 (rtl_check_failed_block_symbol): Declare.
18091 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18092 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18093 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18094 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18095 * output.h (output_section_symbols): Declare.
18096 (object_block): Name structure.
18097 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18098 (default_use_anchors_for_symbol_p): Declare.
18099 * Makefile.in (RTL_BASE_H): Add vec.h.
18100 (explow.o): Depend on output.h.
18101 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18102 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18103 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18104 (rs6000_use_blocks_for_constant_p): New function.
18106 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18108 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18110 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18113 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18116 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18118 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18122 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18124 PR middle-end/26334
18125 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18126 instead of DECL_REGISTER.
18128 2006-02-18 Olivier Hainque <hainque@adacore.com>
18131 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18133 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18136 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18137 * opth-gen.awk: Handle Var and InverseMask together.
18138 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18139 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18140 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18141 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18143 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18144 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18145 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18146 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18147 LINUX_DYNAMIC_LINKER): Define.
18148 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18149 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18151 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18152 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18153 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18155 (TARGET_C99_FUNCTIONS): Don't define.
18156 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18157 GLIBC_DYNAMIC_LINKER.
18158 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18159 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18160 GLIBC_DYNAMIC_LINKER64): Define.
18161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18162 LINUX_DYNAMIC_LINKER64.
18163 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18165 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18167 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18168 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18169 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18170 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18171 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18173 and LINUX_DYNAMIC_LINKER32.
18174 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18176 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18178 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18180 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18181 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18182 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18183 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18184 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18185 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18186 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18187 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18188 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18189 LINUX_DYNAMIC_LINKER): Define.
18190 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18191 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18192 GLIBC_DYNAMIC_LINKER64): Define.
18193 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18194 LINUX_DYNAMIC_LINKER64.
18195 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18196 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18197 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18198 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18199 LINUX_DYNAMIC_LINKER): Define.
18200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18201 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18202 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18203 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18204 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18205 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18206 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18207 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18208 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18209 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18211 * doc/invoke.texi (-muclibc): Remove caveat about supported
18214 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18216 * doc/cpp.texi (__TIMESTAMP__): Document.
18218 2006-02-17 Roger Sayle <roger@eyesopen.com>
18220 PR middle-end/25600
18221 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18222 C is one less than the width of X (and related transformations).
18223 * simplify-rtx.c (simplify_unary_operation_1): Transform
18224 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18225 depending on STORE_FLAG_VALUE, were C is one less then the
18228 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18230 Fix PR tree-optimization/26341
18231 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18232 about NAME_MEMORY_TAG's.
18234 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18237 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18238 with hardware float support, and software float support. Add fcpy
18239 alternative to hardware patterns. Add alternatives to copy between
18240 general and floating-point registers to the 32-bit pattern.
18241 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18242 secondary reload to load a QI or HI mode constant into a floating
18244 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18245 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18247 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18250 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18252 (load_macho_picbase_di): Likewise.
18254 2006-02-16 Jeff Law <law@redhat.com>
18256 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18257 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18258 (ssa_name_nonzero_p): Likewise.
18259 (get_value_range): Return NULL if VRP is not running.
18260 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18261 VRP routines do not discover a range.
18262 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18263 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18264 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18265 (tree_expr_nonnegative_p): Similarly.
18266 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18267 (restore_nonzero_vars_to_original_value): Remove.
18268 (unsafe_associative_fp_binop): Remove.
18269 (tree_ssa_dominator_optimize): Remove initialization and
18270 finalization of nonzero_vars and nonzero_vars_stack.
18271 (dom_opt_initialize_block): No longer push marker on
18272 nonzero_vars_stack.
18273 (dom_opt_finalize_block): No longer call
18274 restore_nonzero_vars_to_original_value.
18275 (record_equivalences_from_phis): No longer look for
18276 nonzero PHI arguments.
18277 (cprop_into_successor_phis): No longer propagate nonzero
18278 property into PHI arguments. Lose unused argument. Caller
18280 (record_equivalences_from_stmt): No longer record nonzero
18281 values for SSA_NAMEs.
18282 (lookup_avail_expr): No longer use nonzero_vars.
18284 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18285 for sizetype when sizetype is unsigned.
18287 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18289 PR rtl-optimization/25603
18290 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18291 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18292 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18293 with new meaning of SETS.
18295 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18300 * config/linux.opt: New file.
18301 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18302 LINUX_DYNAMIC_LINKER): Define.
18303 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18304 * config.gcc (*-*-linux*): Define extra_options.
18305 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18306 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18307 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18308 GLIBC_DYNAMIC_LINKER.
18309 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18310 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18311 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18313 * doc/invoke.texi (GNU/Linux Options): New section.
18315 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18317 * config/sparc/sparc.md (setjmp): Rewrite.
18318 (setjmp_32): Delete.
18319 (setjmp_64): Likewise.
18321 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18323 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18326 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18328 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18331 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18333 PR rtl-optimization/26296
18334 * Makefile.in (loop-invariant.c): Add except.h dependency.
18335 * loop-invariant.c: Include except.h.
18336 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18338 2005-02-16 Paul Brook <paul@codesourcery.com>
18340 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18343 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18345 PR rtl-optimization/25636
18346 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18347 when deciding whether an insn is an initializing insn.
18349 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18351 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18352 (tree_code_size): Ditto.
18353 * tree.h (struct tree_memory_tag): Remove parent_var.
18354 (struct tree_struct_field_tag): New.
18357 (union tree_node): Add sft member.
18358 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18360 (create_sft): Add size and offset argument, set SFT_OFFSET and
18362 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18363 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18364 * tree-flow-inline.h (get_subvar_at): Update for
18365 SFT_OFFSET/SFT_SIZE.
18366 (var_can_have_subvars): Ditto.
18367 (overlap_subvar): Ditto.
18368 * print-tree.c (print_node): Print out interesting things for
18370 * tree-flow.h (struct subvar): Remove offset and size members.
18371 * tree-ssa-operands.c (get_expr_operands): Update for
18372 get_indirect_ref_operands changes.
18373 (get_indirect_ref_operands): Call add_virtual_operand instead of
18374 add_stmt_operand. Only recurse on base var if requested.
18375 (access_can_touch_variable): New function.
18376 (add_stmt_operand): Split virtual operand handling into ...
18377 (add_virtual_operand): Here. Add offset, size, and for_clobber
18378 arguments. Prune alias sets.
18379 (add_call_clobber_ops): Call add_virtual_operand.
18381 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18383 PR middle-end/26300
18384 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18386 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18387 than TREE_CODE as index into omp_clause_num_ops array.
18389 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18391 PR rtl-optimization/26184
18392 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18394 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18395 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18396 must_precede, must_follow and tobe_scheduled.
18399 * opts.c (common_handle_option): Free new_option pointer.
18400 * df-core.c (df_analyze): Free postorder pointer.
18402 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18404 * Makefile.in: Fix the examples about the use of stamps
18406 2006-02-15 Michael Matz <matz@suse.de>
18408 PR middle-end/22275
18410 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18411 influenced by maximum_field_alignment or DECL_PACKED.
18412 (update_alignment_for_field): Ditto.
18413 (place_field): Ditto.
18414 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18417 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18419 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18420 (debug_flow_info): Pass it.
18421 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18422 * bb-reorder.c (reorder_basic_blocks): Likewise.
18423 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18424 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18425 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18426 * gcse.c (gcse_main, bypass_jumps): Likewise.
18427 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18428 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18429 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18430 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18431 * rtl.h (dump_flow_info): Adjust prototype.
18432 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18433 * var-tracking.c (variable_tracking_main): Likewise.
18434 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18435 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18438 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18440 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18443 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18445 PR tree-optimization/26209
18446 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18447 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18449 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18451 2006-02-14 Roger Sayle <roger@eyesopen.com>
18453 PR middle-end/23670
18454 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18455 (X,Y) and the corresponding symmetry related transformations.
18456 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18457 (X,Y) and its symmetry related transformations.
18459 2006-02-14 Roger Sayle <roger@eyesopen.com>
18461 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18464 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18466 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18468 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18471 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18472 support COMDAT group.
18473 * configure: Regenerate.
18475 2006-02-14 Roger Sayle <roger@eyesopen.com>
18477 PR middle-end/26279
18478 PR middle-end/26280
18479 PR middle-end/26283
18480 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18482 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18484 Fix PR tree-optimization/26260
18486 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18488 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18489 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18490 * tree-ssa-structalias.c (create_variable_info_for): Use
18491 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18493 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18495 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18497 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18498 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18499 of the ending condition.
18500 * tree-ssa-loop-manip.c: Include params.h.
18501 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18502 tree_unroll_loop): New functions.
18503 * tree-pass.h (pass_loop_prefetch): Declare.
18504 * loop.c (rest_of_handle_loop_optimize): Test for
18505 -fprefetch-loop-arrays-rtl.
18506 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18507 * timevar.def (TV_TREE_PREFETCH): New timevar.
18508 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18509 pass_loop_prefetch): New.
18510 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18511 (cleanup_tree_cfg_loop): Call scev_reset.
18512 * common.opt (fprefetch-loop-arrays-rtl): Add.
18513 * tree-ssa-loop-prefetch.c: New file.
18514 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18515 (new_temp_expr_table): Initialize expr_vars.
18516 (free_temp_expr_table): Cleanup expr_vars.
18517 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18518 expressions from being merged into one.
18519 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18520 (struct tree_niter_desc): Add control, bound and cmp fields.
18521 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18523 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18524 (tree-cfgcleanup.o): Add SCEV_H dependency.
18525 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18526 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18528 2006-02-14 Richard Guenther <rguenther@suse.de>
18530 PR tree-optimization/26258
18531 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18532 in PHI argument processing.
18534 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18536 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18537 new expression in the requested machine mode.
18539 2006-02-13 Roger Sayle <roger@eyesopen.com>
18541 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18542 directly, instead let do_compare_rtx_and_jump handle this for us.
18543 * expr.c (expand_expr_real_1): Likewise.
18544 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18545 before do_jump_by_parts_greater.
18546 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18547 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18549 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18551 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18553 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18555 PR rtl-optimization/26235
18556 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18557 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18560 2006-02-13 Jeff Law <law@redhat.com>
18562 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18565 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18567 PR middle-end/26092
18568 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18569 twice if decl is a builtin. When trying again, call get_callee_fndecl
18570 first to verify it is still a builtin.
18572 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18574 * dwarf2out.c (base_type_die): Don't add AT_name here.
18575 (subrange_type_die): Don't add AT_name here.
18576 (modified_type_die): Rearrange code flow. Do add AT_name here.
18578 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18580 PR rtl-optimization/26247
18581 PR rtl-optimization/26248
18582 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18584 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18586 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18587 * config/fixtfdi.c: Likewise.
18588 * config/fixunstfdi.c: Likewise.
18589 * config/floatditf.c: Likewise.
18591 2006-02-13 Roger Sayle <roger@eyesopen.com>
18593 PR middle-end/24427
18594 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18595 into (X,C2) if C1 is a subset of the bits of C2. Transform
18596 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18598 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18600 2006-02-13 Josh Conner <jconner@apple.com>
18603 * varasm.c (function_section): Check for section name before
18604 calling select_section on targets that define
18605 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18606 unlikely_text_section instead of hot_function_section if
18607 first_function_block_is_cold.
18609 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18611 PR middle-end/25335
18612 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18614 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18616 PR rtl-optimization/26222
18617 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18618 after tree->rtl expansion.
18619 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18620 before passing it to emit_move_insn.
18622 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18624 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18626 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18627 Clarify documentation.
18628 * c-common.h (warn_write_strings): Remove.
18629 * c-common.c (warn_write_strings): Likewise.
18630 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18633 2006-02-12 Roger Sayle <roger@eyesopen.com>
18635 PR middle-end/25724
18636 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18637 (do_jump_parts_zero_rtx): New function renamed from
18638 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18639 (do_jump_parts_equality_rtx): New function split out from
18640 do_jump_parts_equality. Old implementation renamed as above.
18641 Call do_jump_parts_zero_rtx if either operand is zero.
18642 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18643 do all of the heavy lifting.
18644 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18645 calling either do_jump_by_parts_greater_rtx or
18646 do_jump_by_parts_equality_rtx.
18647 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18648 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18649 moved to do_compare_rtx_and_jump, call it directly.
18650 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18651 mode argument. Call do_compare_rtx_and_jump.
18652 (emit_case_nodes): Update calls to do_jump_if_equal.
18654 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18656 PR rtl-optimization/26225
18657 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18659 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18661 PR rtl-optimization/26232
18662 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18664 2006-02-11 Jason Merrill <jason@redhat.com>
18667 * tree-inline.c (declare_return_variable): Just don't use the
18668 modify target if it's a gimple complex reg and the return slot
18671 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18673 * doc/contrib.texi: Update my entry.
18675 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18677 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18679 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18681 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18684 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18686 * doc/invoke.texi (-floop-optimize2): Removed.
18687 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18688 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18689 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18690 * common.opt (floop-optimize2): Removed.
18691 (fmove-loop-invariants): Enabled by default.
18693 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18695 * tree-if-conv.c (combine_blocks): Free the result of
18696 get_loop_exit_edges.
18698 2006-02-10 Jeff Law <law@redhat.com>
18700 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18702 PR tree-optimization/26213
18703 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18704 loop trying to follow SSA_NAME_VALUE chains.
18706 2006-02-10 Richard Guenther <rguenther@suse.de>
18708 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18709 deal with structures that end in implicitly variable sized arrays.
18711 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18713 PR rtl-optimization/24762
18714 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18717 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18719 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18720 (struct ivopts_data): Add regs_used field.
18721 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18722 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18723 instead of loop_data->regs_used;
18724 (free_loop_data): Do not free aux fields for loops.
18725 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18726 and tree_ssa_iv_optimize_finalize.
18728 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18730 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18732 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18735 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18736 computing the effective result type.
18738 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18740 PR inline-asm/16194
18741 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18742 (tree_overlaps_hard_reg_set): Declare.
18743 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18744 type and signature to match function type expected by walk_tree.
18745 (tree_overlaps_hard_reg_set): New function.
18746 (decl_conflicts_with_clobbers_p): Rename to:
18747 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18748 Use tree_overlaps_hard_reg_set. Changed caller.
18749 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18750 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18751 * cris.c (cris_md_asm_clobbers): Likewise.
18753 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18755 * reload1.c (emit_input_reload_insns): Delete code that tries to
18756 inherit using find_equiv_reg.
18758 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18760 * c-common.h (flag_const_strings): Don't declare.
18761 * c-common.c (flag_const_strings): Remove.
18762 * c.opt (fconst_strings): Remove.
18763 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18764 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18765 (c_common_init_options): Don't set flag_const_strings.
18766 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18768 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18770 * arm.md (tlobits_cbranch): New pattern.
18771 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18772 testing a single bit.
18774 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18777 * tree-ssa-pre.c (create_component_ref_by_pieces):
18778 Handle RETURN_DECL like VAR_DECL.
18780 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18782 PR middle-end/26134
18783 * fold-const.c (fold_indirect_ref_1): Fold
18784 "*(foo *)&complexfoo" to "__real__ complexfoo"
18785 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18787 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18789 * tree-flow-inline.h (var_can_have_subvars):
18790 Volatile variables should not have subvariables.
18792 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18795 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18796 multiplying unsigned values.
18799 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18801 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18803 2006-02-08 Jason Merrill <jason@redhat.com>
18806 * tree.def: Elaborate on difference from MODIFY_EXPR.
18807 * doc/c-tree.texi (INIT_EXPR): Likewise.
18808 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18809 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18810 (gimplify_target_expr): Likewise.
18811 (gimplify_cond_expr): Remove target handling.
18812 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18813 (gimplify_expr): Clobber it here.
18814 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18815 Do return slot optimization if we have an INIT_EXPR.
18818 * tree-inline.c (declare_return_variable): Also clear
18819 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18822 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18824 PR middle-end/22439
18825 * gimplify.c (gimplify_one_sizepos): Fix typo.
18827 2006-02-08 Jeff Law <law@redhat.com>
18829 PR tree-optimization/21417
18830 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18831 across a backedge if the control statement at the end of the
18832 block is data dependent on other statements in the same block.
18833 (record_temporary_equivalences_from_stmts): Remove over-conservative
18834 test for threading across backedges.
18836 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18837 control statement, handle all three special cases in the same
18838 manner as they all have the same desired solution. No longer
18839 special case edge flag updating when the post dominator is
18842 2006-02-08 Roger Sayle <roger@eyesopen.com>
18844 * tree.def (CHAR_TYPE): Remove.
18845 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18846 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18847 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18848 (gen_string_type_die): Delete unreachable function.
18850 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18851 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18852 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18853 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18854 * builtins.c (type_to_class): Likewise.
18855 * fold-const.c (fold_convert, build_range_check,
18856 merge_ranges): Likewise.
18857 * expr.c (count_type_elements): Likewise.
18858 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18859 * stor-layout.c (layout_type): Likewise.
18860 * ipa-type-escape.c (type_to_consider): Likewise.
18861 * gimplify.c (omp_firstprivatize_type_sizes,
18862 gimplify_type_sizes): Likewise.
18863 * explow.c (promote_mode): Likewise.
18864 * tree-sra.c (is_sra_scalar_type): Likewise.
18865 * varasm.c (output_constant): Likewise.
18866 * tree-inline.c (remap_type_1): Likewise.
18867 * convert.c (convert_to_pointer, convert_to_real,
18868 convert_to_integer, convert_to_complex): Likewise.
18870 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18872 * df-scan.c (df_def_record_1): A set destination may
18873 be a parallel regardless of mode.
18875 2006-02-08 Roger Sayle <roger@eyesopen.com>
18878 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18879 * config/mips/_tilib.c: Remove.
18880 * config/fixtfdi.c: New libgcc source file.
18881 * config/fixunstfdi.c: New source file.
18882 * config/floatditf.c: New source file.
18883 * config/floatunditf.c: New souce file.
18884 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18885 files above instead of config/mips/_tilib.c.
18886 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18888 2006-02-08 Jeff Law <law@redhat.com>
18890 PR tree-optimization/26169
18891 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18894 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18896 * df.h (DF_REG_SIZE): Return the length of the initialized
18899 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18901 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18902 __muldf3): Return a correctly signed zero.
18904 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18906 * passes.c (register_one_dump_file): Accept the current properties
18907 instead of pass number. Adjust call to dump_register. Remove
18909 (register_dump_files): Now a wrapper around...
18910 (register_dump_files_1): ... this one. Do not modify the pass
18912 (next_pass_1): Cosmetic fix.
18913 (execute_todo): Keep second parameter only. Use curr_properties
18914 instead of fetching it from the pass structure. Check and set
18916 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18917 instead of fetching it from the pass structure. Fix calls to
18918 execute_todo. Update curr_properties and initialize .vcg RTL dump
18919 after running the pass. Reset last_verified.
18920 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18922 (FIRST_AUTO_NUMBERED_DUMP): New.
18923 (dump_register): Remove "num" parameter, assign it within the
18925 (get_dump_file_name): Modify template for dumps.
18926 * tree-dump.h (dump_register): Adjust prototype.
18927 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18928 (PROP_trees): Add PROP_gimple_lomp.
18929 (TODO_set_props): New.
18930 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18931 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18932 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18934 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18936 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18937 (sparc64-*-linux*): Likewise.
18938 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18939 * config/sparc/t-linux: New file.
18940 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18941 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18942 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18943 -m32 -mlong-double-128.
18945 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18946 * config/alpha/t-linux: New file.
18947 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18949 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18950 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18951 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18952 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18953 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18954 (CPP_ARCH32_SPEC): Remove.
18956 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18958 PR tree-optimization/26145
18959 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18962 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18965 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18966 >= 240000 when generating code for SOM runtime.
18967 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18968 to $$dyncall when generating code for SOM runtime..
18970 2006-02-07 Dirk Mueller <dmueller@suse.com>
18973 * doc/invoke.texi (-Wsequence-point): Update documentation
18974 that -Wsequence-point is implemented for C++ as well.
18976 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18978 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18979 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18980 (LIB_SPEC): Likewise.
18981 * doc/invoke.texi (SPARC options): Document -pthread.
18983 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18985 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18988 2006-02-07 Roger Sayle <roger@eyesopen.com>
18990 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18991 Correct comment describing BOOLEAN_TYPE.
18993 2006-02-07 Dirk Mueller <dmueller@suse.com>
18995 * c.opt: C++ frontend supports -Wdiv-by-zero.
18996 * c-opts.c (c_common_handle_option): Remove dead case.
18998 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19000 * configure.ac (TLS assembler check): Do not enable TLS by
19001 default on SPARC/Solaris before version 10.
19002 * configure: Regenerate.
19004 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19006 * doc/invoke.texi (xl-compat): Document conversion and support
19009 2006-02-07 Jeff Law <law@redhat.com>
19011 * tree-vrp.c (find_conditional_asserts): Update comments.
19012 (simplify_stmt_for_jump_threading): New.
19013 (identify_jump_threads, finalize_jump_threads): New.
19014 (vrp_finalize): Call identify_jump_threads.
19015 (execute_vrp): Call finalize_jump_threads.
19016 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19017 (vrp_element, vrp_data, vrp_element_p): Remove.
19018 (vrp_hash_elt, vrp_variables_stack): Remove.
19019 (vrp_hash, vrp_eq, record_range): Remove.
19020 (simplify_cond_and_lookup_avail_expr): Remove.
19021 (extract_range_from_cond): Remove.
19022 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19023 (simplify_stmt_for_jump_threading): New.
19024 (dom_thread_across_edge): New wrapper.
19025 (tree_ssa_dominator_optimize): No longer initialize or
19026 finalize any of the VRP datastructures. Remove iteration
19027 step and simplify as a result of removal of iteration step.
19028 (pass_dominator): Perform a cfg cleanup after DOM.
19029 (dom_opt_finalize_block): Use the new common routines
19030 for threading jumps. Simplify stack management slightly.
19031 No longer need to unwind VRP state.
19032 (record_equivalences_from_incoming_edge): No longer record
19034 (eliminate_redundant_computations): No longer call
19035 simplify_cond_and_lookup_avail_expr.
19036 * tree-flow.h (potentially_threadable_block): Prototype.
19037 (thread_across_edge): Likewise.
19038 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19039 (tree-ssa-threadedge.o): Add dependencies.
19040 * tree-ssa-threadedge.c: New file.
19041 * passes.c (init_optimization_passes): Merge PHIs before
19042 calling VRP. Run VRP again late in the SSA optimization pipeline.
19044 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19046 * df-core.c (df_set_blocks): Do not dereference function pointers.
19047 (df_finish1): Likewise.
19048 (df_hybrid_search_forward): Likewise.
19049 (df_hybrid_search_backward): Likewise.
19050 (df_iterative_dataflow): Likewise.
19051 (df_analyze_problem): Likewise.
19052 (df_compact_blocks): Likewise.
19053 (df_dump): Likewise.
19054 * df-scan.c (df_rescan_blocks): Likewise.
19055 (df_record_entry_block_defs): Likewise.
19057 * genconditions.c (write_conditions): Guard the definition of
19058 'insn_conditions' with the check on GCC version.
19059 (write_writer): Guard the traversal 'insn_conditions' with
19060 the check on GCC version.
19062 2006-02-07 Richard Guenther <rguenther@suse.de>
19066 2006-01-30 Richard Guenther <rguenther@suse.de>
19068 * gimplify.c (gimplify_target_expr): Handle easy cases
19069 without creating a temporary.
19071 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19073 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19074 use of float in probability computations. Use edge probabilities
19075 in place of statically computed probabilities.
19076 (min_spec_prob): New static variable.
19077 (schedule_insns): Initialize it.
19078 (GET_SRC_PROB): Removed.
19079 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19081 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19084 * config/ia64/unwind-ia64.c: Revert last change.
19085 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19086 (INCOMING_FRAME_SP_OFFSET): Define.
19088 2006-02-06 Roger Sayle <roger@eyesopen.com>
19090 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19092 2006-02-07 Ben Elliston <bje@au.ibm.com>
19094 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19095 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19096 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19097 (ix86_return_in_memory): Handle TDmode.
19098 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19099 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19101 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19103 * reorg.c (dbr_schedule): Use dump_file instead of file.
19105 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19108 * config/ia64/predicates.md (extr_len_operand): New predicate.
19109 * config/ia64/ia64.md (extv): Tighten constraints.
19111 (*tbit_and_2): Ditto.
19112 (*tbit_and_3): Ditto.
19113 (*tbit_or_2): Ditto.
19114 (*tbit_or_3): Ditto.
19115 (*bit_zero): Ditto.
19118 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19121 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19123 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19125 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19126 loop_optimizer_init and loop_optimizer_finalize
19127 * tree-ssa-sink.c (execute_sink_code): Ditto.
19128 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19129 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19130 tree_ssa_loop_done): Ditto.
19131 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19132 * sched-ebb.c: Include output.h.
19133 (schedule_ebbs): Do not use dump argument.
19134 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19135 * loop.c (loop_dump_stream): Removed.
19136 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19138 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19139 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19140 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19141 loop_iterations, strength_reduce, record_biv, record_giv,
19142 final_giv_value, check_final_value, check_ext_dependent_givs,
19143 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19144 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19145 dump_file instead of loop_dump_stream.
19146 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19147 argument dump_file.
19148 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19150 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19151 * haifa-sched.c: Include output.h
19152 (schedule_insns, sched_init): Do not use dump argument.
19153 * mode-switching.c (optimize_mode_switching): Ditto.
19154 * modulo-sched.c (stats_file): Removed.
19155 (print_node_sched_params): Do not call argument dump_file.
19156 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19157 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19159 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19161 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19162 rtl_loop_init, rtl_loop_done): Ditto.
19163 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19164 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19166 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19167 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19168 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19169 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19170 * emit-rtl.c (renumber_insns): Ditto.
19171 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19172 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19173 * regclass.c (regclass): Ditto.
19174 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19175 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19176 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19177 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19179 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19180 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19182 * gcse.c (gcse_file, debug_stderr): Removed.
19183 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19184 rest_of_handle_gcse): Do not use dump argument.
19185 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19186 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19187 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19188 compute_code_hoist_vbeinout, compute_code_hoist_data,
19189 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19190 compute_store_table, build_store_vectors, insert_insn_start_bb,
19191 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19192 store_motion): Use dump_file instead of gcse_file.
19193 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19194 * profile.c (profile_dump_file): Removed.
19195 (branch_prob): Use dump_file instead of profile_dump_file.
19196 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19198 * tree-ssa-copy.c (dump_copy_of): Ditto.
19199 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19200 dump file to life_analysis.
19201 * bt-load.c (branch_target_load_optimize): Ditto.
19202 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19204 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19205 regclass, dbr_schedule): Declaration changed.
19206 * sched-int.h (sched_init): Declaration changed.
19207 * tree-profile.c (tree_profile_dump_file): Removed.
19208 (tree_profile_hooks): Removed profile_dump_file hook.
19209 * rtl-profile (rtl_profile_dump_file): Removed.
19210 (rtl_profile_hooks): emoved profile_dump_file hook.
19211 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19213 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19214 * tree-cfg.c (build_tree_cfg): Ditto.
19215 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19216 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19217 Declaration changed.
19218 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19219 life_analysis and schedule_insns.
19220 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19222 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19224 * config/mips/mips.c (mips_reorg): Ditto.
19225 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19228 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19230 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19231 (s390_mangle_fundamental_type): New.
19232 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19235 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19236 (alpha_mangle_fundamental_type): New.
19237 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19240 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19242 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19244 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19245 (sparc_mangle_fundamental_type): New.
19247 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19249 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19250 (s390x-*-linux*): Likewise.
19251 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19252 * config/s390/t-linux: New file.
19254 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19256 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19257 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19259 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19261 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19262 (ANTIC_SAFE_LOADS): New macro.
19263 (find_or_generate_expression): Add prototype.
19264 (set_contains_value): Allow null set for sake of not always having
19265 to allocate ANTIC_SAFE_LOADS.
19266 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19267 Allow COMPONENT_REF too.
19268 (valid_in_set): Allow COMPONENT_REF.
19269 Check ANTIC_SAFE_LOADS too.
19270 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19271 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19273 (can_PRE_operation): Add COMPONENT_REF.
19274 (create_component_ref_by_pieces): New function.
19275 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19276 (insert_aux): Move AGGREGATE_TYPE_P check here.
19277 (compute_avail): Set bb local stmt uids.
19278 (pass_pre): Use TODO_update_ssa_only_virtuals.
19280 2006-02-06 Ben Elliston <bje@au.ibm.com>
19282 * configure.ac: Unconditionally disable decimal float by default.
19283 * configure: Regenerate.
19285 2006-02-06 Ben Elliston <bje@au.ibm.com>
19287 * read-rtl.c (read_name): Terminate reading on EOF.
19289 2006-02-06 Ben Elliston <bje@au.ibm.com>
19291 * dfp.c (decimal_real_arithmetic): Change second argument type
19292 from int to enum tree_code. Do not always return true, but now
19293 return result of any call to decimal_do helper functions.
19294 * dfp.h (decimal_real_arithmetic): Update prototype.
19296 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19298 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19300 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19303 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19306 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19308 * tree-vrp.c (cfg_loops): Removed.
19309 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19310 Use current_loops instead of cfg_loops. Pass flags to
19311 loop_optimizer_init.
19312 * cfgloopmanip.c (fix_loop_structure): Update only available
19314 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19315 loop_optimizer_init.
19316 * modulo-sched.c (build_loops_structure): Removed.
19317 (sms_schedule): Use loop_optimizer_init.
19318 * loop-init.c (loop_optimizer_init): Use flags to determine
19319 which properties of loops to prepare.
19320 (rtl_loop_init): Pass flags to loop_optimizer_init.
19321 * tree-ssa-sink.c (execute_sink_code): Ditto.
19322 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19323 * tree-ssa-pre.c (init_pre): Ditto.
19324 * cfgloop.h (LOOPS_NORMAL): New.
19325 (loop_optimizer_init): Declaration changed.
19327 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19329 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19330 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19332 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19334 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19336 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19337 * pa/t-pa64: Delete quadlib.c rule.
19338 * pa/x-ada: Revert last change.
19339 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19341 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19343 PR rtl-optimization/26087
19344 * rtlanal.c (canonicalize_condition): Do not cross basic block
19347 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19350 * config/ia64/ia64.c: Include debug.h.
19351 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19352 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19353 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19354 (process_epilogue, process_set, process_for_unwind_directive):
19355 Output unwind info only if requested. Add CFA info if requested.
19356 Add new arguments as needed. Adjust callers.
19357 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19359 (DWARF2_FRAME_INFO): Define to zero.
19360 * config/ia64/unwind-ia64.c: Remove code that compensated for
19361 the CFA offset error fixed above.
19362 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19363 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19364 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19365 -funwind-tables and -fexceptions to enable frame info.
19366 (dwarf2out_frame_init): Define initial CFA even if
19367 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19368 DWARF2_UNWIND_INFO is nonzero, not just defined.
19369 (dwarf2out_frame_finish): Output non-EH call frame info only
19370 if DWARF2_FRAME_INFO is nonzero.
19371 (convert_cfa_to_loc_list,
19372 compute_frame_pointer_to_cfa_displacement): Define even if
19373 unwind info is not supported.
19374 (gen_subprogram_die): Use the above unconditionally. Remove
19375 legacy alternate code.
19376 * toplev.c (compile_file): Compile in call to
19377 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19378 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19380 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19381 Jakub Jelinek <jakub@redhat.com>
19383 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19384 IBM extended float format long double as "g" on powerpc*-linux.
19386 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19389 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19390 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19392 2006-02-03 Jason Merrill <jason@redhat.com>
19395 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19397 PR middle-end/25977
19398 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19399 on the return slot if it's an NRV.
19401 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19403 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19404 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19405 rewrite_use): Do not handle USE_OUTER.
19406 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19407 add_iv_outer_candidates, may_replace_final_value,
19408 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19409 (find_interesting_uses_op): Functionality of
19410 find_interesting_uses_outer_or_nonlin moved here.
19411 (find_interesting_uses_outside): Use find_interesting_uses_op.
19413 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19416 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19418 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19419 Ulrich Weigand <uweigand@de.ibm.com>
19422 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19423 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19424 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19425 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19427 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19428 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19429 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19430 Define secondary reloads for TFmode moves.
19431 (constant_modes): Add TFmode.
19432 (NR_C_MODES): Set to 8.
19433 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19435 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19436 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19437 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19438 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19439 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19440 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19441 (FPR mode macro): Add TFmode.
19442 (DSF mode macro): New.
19443 (<de>, <dee> mode attributes): Removed.
19444 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19445 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19446 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19447 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19448 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19449 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19450 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19451 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19452 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19453 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19454 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19455 "*negabs<mode>2", "sqrt<mode>2"):
19456 Changed <de> to <xde>. R constraint replaced by <Rf>.
19457 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19459 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19460 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19461 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19463 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19464 "extenddftf2", "extendsftf2"): New expanders.
19465 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19466 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19467 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19468 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19470 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19471 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19472 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19473 __floatditf): Add a GCC_4.1.0 symbol version tag.
19474 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19477 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19480 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19481 Use targetm.binds_local_p instead of TREE_PUBLIC.
19483 2006-02-02 Roger Sayle <roger@eyesopen.com>
19485 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19486 on INTEGER_TYPEs to indicate that it denotes a character type.
19487 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19488 signed_char_type_node, unsigned_char_type_node and char_type_node.
19489 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19490 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19491 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19493 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19494 Daniel Berlin <dberlin@dberlin.org>
19496 * tree-tailcall.c (arg_needs_copy_p): New function.
19497 (eliminate_tail_call): Use arg_needs_copy_p.
19498 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19499 (add_virtual_phis): New function.
19501 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19503 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19504 #ignore instead of #scratch for %g7 .register directive.
19506 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19508 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19511 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19513 * flow.c (calculate_global_regs_live): Assert that there aren't any
19516 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19518 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19519 what its name says.
19520 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19521 bsi_after_labels iterator.
19522 * tree-if-conv.c (find_phi_replacement_condition,
19523 replace_phi_with_cond_modify_expr): Likewise.
19524 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19525 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19527 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19529 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19531 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19534 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19535 array after growing it.
19537 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19539 PR middle-end/24901
19540 * fold-const.c (fold_checksum_tree): Change type of buf.
19542 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19544 * reload.c (push_secondary_reload): Initialize t_icode.
19546 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19548 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19549 -msoft-float -mlong-double-128 only issue a warning, but don't
19550 swich to DFmode long double.
19552 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19554 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19555 has a constant equivalent, iterate over equivalents for arg0,
19556 calling simplify_relational_operation and if there's a result
19557 cheaper than X, apply fold_rtx and return the result.
19559 2006-02-01 Jan Hubicka <jh@suse.cz>
19561 * opts.c (no_unit_at_a_time_default): New global variable.
19562 (decode_options): Use it.
19563 * opts.h (no_unit_at_a_time_default): Declare.
19565 2006-02-01 Paul Brook <paul@codesourcery.com>
19567 * function.c (assign_parm_setup_reg): Use function argument promotion
19569 * expr.c (expand_expr_real_1): Use function argument promotion rules
19572 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19574 * gcc.c (process_command): Change j to 'unsigned int'.
19576 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19578 PR middle-end/26001
19579 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19580 Use the corrected index for the character
19581 out of the string constant.
19583 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19585 * mode-switching.c (optimize_mode_switching): Fix size
19586 allocated for bb_info[n_entities].
19588 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19590 * gcc.c (main): Correct type that is allocated for
19591 explicit_link_files.
19593 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19595 * config/s390/s390.c (init_alignment_context): Set
19596 ALIAS_SET_MEMORY_BARRIER on the MEM.
19597 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19599 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19601 PR middle-end/25933
19602 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19604 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19607 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19609 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19610 * regrename.c: Ditto.
19611 * tree-ssa-loop-im.c: Ditto.
19612 * tree-dump.c: Ditto.
19613 * tree-complex.c: Ditto.
19614 * genrecog.c: Ditto.
19615 * tree-ssa-threadupdate.c: Ditto.
19617 * java/class.c: Ditto.
19618 * java/jcf-parse.c: Ditto.
19619 * java/resource.c: Ditto.
19620 * java/except.c: Ditto.
19621 * java/jvspec.c: Ditto.
19622 * java/jcf-write.c: Ditto.
19623 * java/jcf-path.c: Ditto.
19624 * java/gjavah.c: Ditto.
19625 * java/zextract.c: Ditto.
19626 * java/jcf-io.c: Ditto.
19627 * java/jcf.h: Ditto.
19628 * java/buffer.c: Ditto.
19629 * java/lang.c: Ditto.
19630 * java/parse-scan.y: Ditto.
19631 * java/lex.c: Ditto.
19632 * java/lex.h: Ditto.
19633 * cfgloopmanip.c: Ditto.
19634 * postreload-gcse.c: Ditto.
19635 * tree-ssa-loop-manip.c: Ditto.
19636 * postreload.c: Ditto.
19637 * tree-ssa-loop-ch.c: Ditto.
19640 * cppspec.c: Ditto.
19641 * diagnostic.c: Ditto.
19643 * genoutput.c: Ditto.
19645 * cfghooks.c: Ditto.
19646 * cfgloopanal.c: Ditto.
19647 * objc/objc-act.c: Ditto.
19649 * genextract.c: Ditto.
19650 * genautomata.c: Ditto.
19651 * pretty-print.c: Ditto.
19652 * genemit.c: Ditto.
19653 * cgraphunit.c: Ditto.
19655 * df-scan.c: Ditto.
19656 * haifa-sched.c: Ditto.
19657 * dominance.c: Ditto.
19659 * tree-ssa-loop-ivopts.c: Ditto.
19660 * df-core.c: Ditto.
19661 * mode-switching.c: Ditto.
19662 * modulo-sched.c: Ditto.
19664 * ipa-pure-const.c: Ditto.
19666 * fix-header.c: Ditto.
19668 * tree-stdarg.c: Ditto.
19669 * ipa-utils.c: Ditto.
19670 * loop-init.c: Ditto.
19671 * ipa-inline.c: Ditto.
19672 * cfganal.c: Ditto.
19674 * alloc-pool.c: Ditto.
19675 * dwarf2out.c: Ditto.
19677 * genattrtab.c: Ditto.
19678 * tree-ssa-loop-ivcanon.c: Ditto.
19679 * predict.c: Ditto.
19680 * timevar.c: Ditto.
19682 * fortran/gfortranspec.c: Ditto.
19683 * regmove.c: Ditto.
19684 * local-alloc.c: Ditto.
19685 * langhooks.c: Ditto.
19686 * function.c: Ditto.
19687 * tree-vectorizer.c: Ditto.
19689 * ipa-type-escape.c: Ditto.
19691 * tree-if-conv.c: Ditto.
19692 * profile.c: Ditto.
19694 * tree-data-ref.c: Ditto.
19695 * loop-unroll.c: Ditto.
19696 * treelang/treetree.c: Ditto.
19698 * bt-load.c: Ditto.
19699 * ggc-common.c: Ditto.
19701 * coverage.c: Ditto.
19703 * tree-cfgcleanup.c: Ditto.
19704 * tree-ssa-pre.c: Ditto.
19705 * cfgcleanup.c: Ditto.
19706 * loop-invariant.c: Ditto.
19707 * loop-iv.c: Ditto.
19708 * ipa-prop.c: Ditto.
19709 * print-tree.c: Ditto.
19710 * conflict.c: Ditto.
19711 * ggc-page.c: Ditto.
19712 * sched-deps.c: Ditto.
19713 * regclass.c: Ditto.
19714 * tree-object-size.c: Ditto.
19715 * combine.c: Ditto.
19716 * bb-reorder.c: Ditto.
19717 * resource.c: Ditto.
19718 * var-tracking.c: Ditto.
19719 * cfgloop.c: Ditto.
19720 * df-problems.c: Ditto.
19721 * reg-stack.c: Ditto.
19723 * gccspec.c: Ditto.
19724 * sched-rgn.c: Ditto.
19725 * tree-ssa-structalias.c: Ditto.
19726 * tree-ssa-reassoc.c: Ditto.
19727 * config/darwin-c.c: Ditto.
19728 * config/darwin.c: Ditto.
19729 * config/arm/arm.c: Ditto.
19731 * collect2.c: Ditto.
19732 * reload1.c: Ditto.
19734 2006-01-31 Nicolas Pitre <nico@cam.org>
19736 * arm.md (smaxsi3): Make aware of smax_m1.
19739 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19741 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19743 2006-01-31 Richard Guenther <rguenther@suse.de>
19745 * doc/invoke.texi (-msselibm): Document.
19746 * target.h (expand_library_builtin): New target hook.
19747 * builtins.c (expand_builtin): Use expand_library_builtin.
19748 (default_expand_library_builtin): New function.
19749 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19750 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19751 (link_gcc_math_spec): Declare.
19752 (static_specs): Add link_gcc_math_spec.
19753 * expr.h (default_expand_library_builtin): Declare.
19754 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19755 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19756 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19757 * config/i386/i386.opt (msselibm): New target option.
19758 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19759 (ix86_init_sse_abi_builtins): New function.
19760 (ix86_expand_library_builtin): Likewise.
19761 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19762 (override_options): Handle error conditions wrt -msselibm.
19763 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19764 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19765 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19768 2006-01-31 Richard Guenther <rguenther@suse.de>
19769 Paolo Bonzini <bonzini@gnu.org>
19771 * doc/install.texi (--disable-libgcc-math): Document.
19773 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19775 * expr.h (expand_normal): new inline function.
19776 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19777 * dojump.c: use it.
19778 * dwarf2out.c: use it.
19781 * expmed.c: use it.
19782 * except.c: use it.
19783 * config/sparc/sparc.c: use it.
19784 * config/i386/i386.c: use it.
19785 * config/rs6000/rs6000.c: use it.
19786 * config/arm/arm.c: use it.
19787 * config/mips/mips.c: use it.
19788 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19790 2006-01-30 Roger Sayle <roger@eyesopen.com>
19792 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19793 argv to the appropriate type.
19795 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19797 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19800 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19803 * config/s390/s390.c (struct machine_function): New flag
19804 decomposed_literal_pool_addresses_ok_p.
19805 (s390_reorg): Set it before final stage of literal pool transforms.
19806 (s390_decompose_address): Only accept displacements of the form
19807 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19809 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19811 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19812 the comparison routine return.
19814 2006-01-30 Michael Matz <matz@suse.de>
19816 * global.c (find_reg): Only evict for global regs.
19817 Take n_refs into account and dump more info.
19819 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19822 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19823 (pragma_trap, pragma_nosave_low_regs): Likewise.
19824 (current_function_anonymous_args): Likewise.
19825 (sh_deferred_function_attributes): New variable.
19826 (sh_deferred_function_attributes_tail): Likewise.
19827 (print_operand): For '@', look up trap_exit attribute.
19828 (calc_live_regs): Look up trapa_handler attribute. For trapa
19829 handlers, save/restore fpscr, but don't do any other
19830 interrupt-specific saves.
19831 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19832 Fix check for partially saved registers to check for SHmedia.
19833 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19834 (sh_output_function_epilogue): Don't clear any of the removed
19836 (sh_insert_attributes): Don't check pragma_interrupt.
19837 Insert deferred attributes. Check that interrupt attribute is
19838 present for other attributes that require its presence.
19839 (sh_attribute_table): Add new attributes trapa_handler and
19841 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19842 Don't check for pragma_interrupt. Don't store argument.
19843 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19844 (sh_deferred_function_attributes): Declare.
19845 (sh_deferred_function_attributes_tail): Likewise.
19846 * sh.md (sp_switch_1): Add operand. Change generator caller.
19847 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19848 (*return_i): Don't use when trap_exit attribute is in effect.
19849 (*return_trapa): New insn pattern.
19850 * sh-c.c: New file.
19851 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19852 setting c_target_objs and cxx_target_objs.
19853 * t-sh: Add rule for sh-c.o.
19855 2006-01-30 Richard Guenther <rguenther@suse.de>
19858 * gimplify.c (gimplify_target_expr): Handle easy cases
19859 without creating a temporary.
19861 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19863 * vec.h (safe_grow): Remove duplicated line.
19865 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19868 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19869 (expand_omp): ... here.
19870 (expand_omp_parallel): Only remove barriers for combined
19871 parallel+workshare constructs.
19873 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19877 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19878 * tree.c (build_qualified_type): Chain the new type to the original
19879 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19880 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19881 (build_pointer_type_for_mode): Only return unqualified types.
19882 (build_reference_type_for_mode): Likewise.
19884 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19886 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19887 * Makefile.in (CXX_COMPAT_WARN): Define.
19888 * configure: Regenerate.
19890 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19893 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19896 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19898 * toplev.c: Fix thinko.
19900 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19901 Marcin Dalecki <martin@dalecki.de>
19903 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19904 (push_srcloc): Use XNEW.
19905 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19907 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19909 * df-core.c (df_set_blocks): Deleted all variable.
19911 2006-01-28 Ian Lance Taylor <ian@airs.com>
19913 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19914 cgraph_output_pending_asms.
19916 2006-01-28 Zack Weinberg <zackw@panix.com>
19918 * c.opt: Add -W(no-)overlength-strings.
19919 * doc/invoke.texi: Document it.
19920 * c-opts.c (c_common_handle_option): -pedantic implies
19921 -Woverlength-strings, if not explicitly disabled already.
19922 (c_common_post_options): -Woverlength-strings defaults to off, and
19923 is always off for C++.
19924 * c-common.c (fix_string_type): Issue warning about strings longer
19925 than is portable only if warn_overlength_strings. Rearrange code
19926 a little for clarity.
19927 * configure.in: Check for -Wno-overlength-strings as well before
19928 enabling -pedantic in stage 1.
19929 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19930 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19932 * genconditions.c (write_header, write_one_condition)
19933 (write_conditions, write_writer): Consolidate very long strings
19934 that were broken up to fit in C89 portable limit. Don't use
19935 printf when fputs will do.
19937 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19939 * combine.c (simplify_comparison <AND>): Check
19940 TRULY_NOOP_TRUNCATION before start using a subreg.
19942 * config/mips/mips.md (*branch_zero<mode>,
19943 *branch_zero<mode>_inverted, *branch_equality<mode>,
19944 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19945 Remove mode check from comparisons.
19947 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19949 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19951 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19953 * expmed.c (const_mult_add_overflow_p): Remove.
19954 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19956 * recog.c (validate_replace_rtx_subexp): Remove.
19957 * recog.h: Remove the prototype for
19958 validate_replace_rtx_subexp.
19960 * integrate.h: Remove the prototype for
19961 copy_decl_for_inlining.
19962 * rtl.h: Remove the prototype for mark_constant_function.
19963 * tree-vectorizer.h: Remove the prototype for
19964 vect_strip_conversion.
19966 * modulo-sched.c (create_partial_schedule,
19967 free_partial_schedule, reset_partial_schedule): Make them
19970 * hooks.c (hook_bool_rtx_int_false): Remove.
19971 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19973 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19975 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19976 and -mlong-double-128 are incompatible.
19977 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19978 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19979 (TARGET_LIBGCC2_CFLAGS): Define.
19980 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19981 (TARGET_LIBGCC2_CFLAGS): Same.
19982 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19984 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19987 * c-typeck.c (build_binary_op): Perform implicit casts of
19988 operands before shortening them.
19990 * cfgloopmanip.c (split_loop_bb): Remove.
19991 * cfgloop.h: Remove the prototype for split_loop_bb.
19993 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19994 * cfgloop.h: Remove the prototype for
19995 flow_loop_outside_edge_p.
19997 * emit-rtl.c (init_virtual_regs): Make it static.
19998 * function.h: Remove the prototype for init_virtual_regs.
20000 * recog.c (peephole2_optimize): Make it static.
20001 * recog.h: Remove the prototype for peephole2_optimize.
20003 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20005 * df-scan.c (df_record_entry_block_defs): Check if
20006 INCOMING_RETURN_ADDR_RTX is defined.
20008 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20009 Kenneth Zadeck <zadeck@naturalbridge.com>
20011 PR rtl-optimization/24762
20012 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20013 * targhooks.c (hook_void_bitmap): New hook prototype.
20014 * targhoohs.h (hook_void_bitmap): Ditto.
20015 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20016 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20017 * target.h (live_on_entry): New function pointer.
20018 * df-scan.c (df_all_hard_regs): Removed.
20019 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20020 (df_scan_free_internal): Added df->entry_block_defs.
20021 (df_scan_alloc): Ditto.
20022 (df_scan_dump): Ditto.
20023 (df_uses_record): Plumbed flag field properly thru calls.
20024 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20025 This part fixes PR24762.
20026 (df_bb_refs_record): Added code to make the frame and arg
20027 pointers live in EH blocks.
20028 (df_refs_record): Added call to df_record_entry_block_defs.
20029 (df_record_entry_block_defs): New function.
20030 * df-core.c: Added comments to describe new artifical defs.
20031 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20032 (entry_block_defs): New field in struct df.
20033 (df_all_hard_regs): Deleted.
20034 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20035 * df-problems.c (df_ru_bb_local_compute_process_def):
20036 Added code to handle artifical defs in the entry to a function.
20037 (df_ru_bb_local_compute): Ditto.
20038 (df_rd_bb_local_compute_process_def): Ditto.
20039 (df_rd_bb_local_compute): Ditto.
20040 (df_lr_bb_local_compute): Ditto.
20041 (df_ur_bb_local_compute): Ditto.
20042 (df_urec_bb_local_compute): Ditto.
20043 (df_chain_create_bb): Ditto.
20044 (df_ur_local_finalize): Removed entry.
20045 (df_urec_init): Ditto.
20046 (df_urec_local_finalize): Ditto.
20047 (df_ri_bb_compute): Added detection of last use of pseudos.
20048 * Makefile.in (df-scan.o): Updated dependencies.
20049 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20050 * config/mips/mips.c (mips_set_live_on_entry): Added.
20051 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20053 * dce.c (marked_insn_p): Added code to handle artifical defs.
20055 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20057 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20059 (_mm_cvtsi128_si64): Likewise.
20060 (_mm_cvtsd_si64): Likewise.
20061 (_mm_cvttsd_si64): Likewise.
20062 (_mm_cvtsi64_sd): Likewise.
20063 (_mm_cvtsi64_si128): Likewise.
20064 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20065 (_mm_cvtsi64_m64): Likewise.
20066 (_m_to_int64): Likewise.
20067 (_mm_cvtm64_si64): Likewise.
20068 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20069 (_mm_cvttss_si64): Likewise.
20070 (_mm_cvtsi64_ss): Likewise.
20071 (_mm_cvtss_f32): Likewise.
20073 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20075 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20076 for pragma redefine_extname.
20078 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20081 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20082 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20083 -mno-minimal-toc to previous content.
20084 (bispecs): Remove goal.
20085 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20086 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20087 compatibility aliases on powerpc-*-*gnu*.
20088 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20089 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20090 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20091 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20092 (ldblspecs): New goal.
20093 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20094 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20096 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20097 L_sf_to_tf or L_df_to_tf is defined.
20099 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20100 Alan Modra <amodra@bigpond.net.au>
20103 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20104 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20105 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20106 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20107 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20108 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20109 (rs6000_override_options): Initialize rs6000_ieeequad.
20110 Initialize TFmode format to ibm_extended_format if not
20112 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20114 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20115 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20116 (function_arg_advance): IBM long double passed in two FPRs, not
20118 (function_arg): IBM long double passed in FPRs.
20119 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20120 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20121 Only multireg GPR aligned.
20122 (rs6000_init_libfuncs): Enable IBM long double functions if not
20124 (rs6000_generate_compare): Use IBM long double compare if not
20126 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20127 (TARGET_IEEEQUAD): Define.
20128 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20129 not TARGET_IEEEQUAD.
20130 * config/rs6000/rs6000.md: Enable TFmode patterns if
20132 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20133 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20134 and -mlong-double-128 are incompatible.
20135 * doc/invoke.texi (-mabi): Collect options together. Add
20136 ibmlongdouble and ieeelongdouble.
20138 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20140 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20142 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20143 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20144 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20145 * rtl.h (rtunion_def): Remove rt_ptr.
20147 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20148 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20149 * config/i386/winnt.c (i386_pe_mark_dllexport)
20150 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20152 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20154 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20156 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20160 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20161 pthread_key_delete. From John David Anglin. gthrw-ify
20162 pthread_getunique_np only if it it's not a macro. Delete
20164 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20165 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20166 __gthread_objc_condition_signal, __gthread_key_delete): Add
20167 "__attribute__ ((__unused__))" to unused arguments.
20168 (__gthread_recursive_mutex_init_function): Add missing return.
20169 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20170 gthr-posix95.h: Use macro-based approach for name redirection
20171 on targets missing weakref.
20173 2006-01-26 Zack Weinberg <zackw@panix.com>
20175 * genconditions.c (write_header): In generated code, #ifdef out
20176 all includes and fake declarations, except includes of bconfig.h
20177 and system.h, unless GCC_VERSION >= 3001. Do not include
20178 gensupport.h in any case.
20179 (write_conditions): Generate a definition of struct c_test. Add
20180 a comment to the generated #endif.
20181 (write_one_condition): Escape backslashes in string too.
20182 (write_writer): Generated code must escape backslashes and quote
20183 marks (but not newlines) in the strings it writes.
20184 * Makefile.in (build/gencondmd.o): Update dependencies.
20186 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20189 * Makefile.in (insn-automata.o): Add header file dependencies.
20190 * genautomata.c: Add includes.
20192 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20195 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20197 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20199 * configure.ac: Expect target tools paths to be passed from the toplevel
20200 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20202 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20204 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20207 * c.opt (Wpointer-sign): Init to -1.
20208 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20209 OPT_pedantic, to 0 otherwise.
20210 * doc/invoke.texi: Update.
20212 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20214 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20215 constants provided by 80387 instructions in the destination mode.
20217 2006-01-26 Richard Guenther <rguenther@suse.de>
20218 Andrew Pinski <pinskia@physics.uc.edu>
20221 partial PR tree-opt/17064
20222 * tree-ssa-structalias.c (intra_create_variable_infos):
20223 Create heap variables for incoming parameters if
20224 flag_argument_noalias > 1.
20225 (find_what_p_points_to): Look through default defs of
20228 2006-01-26 Jeff Law <law@redhat.com>
20231 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20232 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20233 within the VR_RANGE, use the VR_RANGE as the result, not the
20235 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20236 bounds for the type.
20238 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20240 * tree-ssa-alias.c (maybe_create_global_var): Change
20241 subvar walking to an assertion that we don't have subvar'd variables.
20243 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20246 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20247 Use a new variable, inner. PARM_DECLs are always non-weak.
20249 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20251 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20252 --disable-checking.
20254 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20256 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20258 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20260 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20261 (smax_insn, smin_insn, smax_0, smin_0): New.
20263 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20266 * config/cris/cris.c (cris_order_for_addsi3): New function.
20267 * config/cris/cris-protos.h: Prototype it.
20268 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20269 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20270 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20271 (split for "op.S1 [rx=rx+i],ry (swapped)")
20272 (split for "op(s|u).S1 [rx=rx+i],ry")
20273 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20274 Apply cris_order_for_addsi3 when generating addsi3 insns.
20276 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20278 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20279 (TREE_BLOCK): Add call to EXPR_CHECK.
20281 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20284 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20285 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20286 (dump_omp_clauses): ... here.
20287 (dump_generic_node): Handle OMP_CLAUSE.
20288 * tree.c (omp_clause_num_ops): New.
20289 (omp_clause_code_name): New.
20290 (tree_code_size): Handle OMP_CLAUSE.
20291 (tree_size): Likewise.
20292 (make_node): Document handling of OMP_CLAUSE.
20293 (tree_node_structure): Handle OMP_CLAUSE.
20294 (omp_clause_check_failed): New.
20295 (omp_clause_range_check_failed): New.
20296 (omp_clause_operand_check_failed): New.
20297 (build_omp_clause): New.
20298 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20299 * tree.h (enum omp_clause_code): Declare.
20300 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20301 (OMP_CLAUSE_RANGE_CHECK): Define.
20302 (OMP_CLAUSE_ELT_CHECK): Define.
20303 (omp_clause_check_failed): Declare.
20304 (omp_clause_operand_check_failed): Declare.
20305 (omp_clause_range_check_failed): Declare.
20306 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20307 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20308 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20309 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20310 (OMP_CLAUSE_IF_EXPR): Likewise.
20311 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20312 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20313 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20314 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20315 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20316 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20317 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20318 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20319 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20320 (OMP_CLAUSE_CODE): Define.
20321 (OMP_CLAUSE_SET_CODE): Define.
20322 (OMP_CLAUSE_CODE): Define.
20323 (OMP_CLAUSE_OPERAND): Define.
20324 (struct tree_omp_clause): Declare.
20325 (union tree_node): Add field 'omp_clause'.
20326 * treestruct.def (TS_OMP_CLAUSE): Define.
20327 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20328 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20329 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20330 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20331 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20332 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20333 (OMP_CLAUSE): Define.
20334 * print-tree.c (print_node): Handle OMP_CLAUSE.
20335 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20336 * c-typeck.c: Likewise.
20337 * gimplify.c: Likewise.
20338 * c-omp.c: Likewise.
20339 * tree-nested.c: Likewise.
20340 * tree-inline.c: Likewise.
20341 * c-parser.c: Likewise.
20342 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20345 2006-01-25 Roger Sayle <roger@eyesopen.com>
20347 PR rtl-optimization/25703
20348 * combine.c (try_combine): Handle zero_extract and strict_low_part
20349 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20351 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20353 * global.c: Fix comment typos.
20355 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20358 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20359 Use output_addr_const instead of assemble_name.
20361 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20363 * Makefile.in (sched-vis.o): Update dependencies.
20364 * haifa-sched.c (sched_finish): Clear current_sched_info.
20365 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20366 (dump_flow_info): Call it.
20367 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20369 * basic-block.h (dump_bb_info): Declare.
20370 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20371 option, and apply options only for dump files whose TDF_RTL,
20372 TDF_TREE, or TDF_IPA bits match.
20373 * rtl.h: Declare new functions exported from sched-vis.c.
20374 * sched-vis.c: Enable also if scheduling is not used.
20375 (print_value): Print the mode of registers if not inside scheduling.
20376 (print_insn): Make it work outside the scheduler. Beautify the output
20378 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20380 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20382 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20383 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20384 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20385 depending on the value of CONSTANT_POOL_ADDRESS_P.
20386 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20388 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20389 rather than SYMBOL_REF_DECL.
20390 (rtx_constant_pool): Remove const_rtx_sym_htab.
20391 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20392 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20393 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20394 Remove handling of const_rtx_sym_htab.
20395 (find_pool_constant): Delete.
20396 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20397 rather than find_pool_constant.
20398 (get_pool_constant_for_function): Delete.
20399 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20400 find_pool_constant.
20401 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20402 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20403 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20404 (SYMBOL_REF_CONSTANT): New macro.
20405 (get_pool_constant_for_function): Delete.
20406 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20407 rather than SYMBOL_REF_DECL.
20408 (i386_pe_mark_dllimport): Likewise.
20409 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20410 rather than SYMBOL_REF_DECL.
20411 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20412 (machopic_indirect_call_target): Likewise.
20414 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20416 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20418 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20420 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20422 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20424 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20426 2006-01-24 David Daney <ddaney@avtrex.com>
20429 * configure.ac (enable_tls): New enable option.
20430 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20431 * configure: Regenerate.
20432 * doc/install.texi (--enable-tls): Document new option.
20433 (--disable-tls): Ditto.
20435 2006-01-24 Richard Henderson <rth@redehat.com>
20437 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20438 * alias.c (true_dependence): Respect it.
20439 (canon_true_dependence, write_dependence_p): Likewise.
20440 * builtins.c (get_builtin_sync_mem): Set it.
20442 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20444 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20447 2006-01-24 DJ Delorie <dj@redhat.com>
20449 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20450 for storing constants in single-bit bitfields.
20452 2006-01-25 Ben Elliston <bje@au.ibm.com>
20454 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20456 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20459 * tree-ssa-pre.c (phi_translate): Return NULL
20460 for AGGREGATE_TYPE's.
20462 2006-01-24 Zack Weinberg <zackw@panix.com>
20464 * genautomata.c (process_state_for_insn_equiv_partition):
20465 Use xcalloc for insn_arcs_array.
20466 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20467 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20469 2006-01-24 Richard Henderson <rth@redhat.com>
20471 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20472 update all callers.
20474 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20476 PR rtl-optimization/25890
20477 PR rtl-optimization/25905
20478 * combine.c (expand_compound_operation, expand_field_assignment):
20479 Fail if the bitfield's final position is out of bounds.
20481 2006-01-24 Ian Lance Taylor <ian@airs.com>
20483 PR middle-end/25930
20484 * cgraphunit.c (cgraph_output_in_order): Don't clear
20485 cgraph_asm_nodes until after asm strings have been output.
20487 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20489 * fix-header.c (read_scan_file): Add new parameter imultilib when
20490 calling register_include_chains.
20492 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20494 * omp-low.c: Update documentation.
20496 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20497 Daniel Berlin <dberlin@dberlin.org>
20501 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20502 return from the function.
20504 2006-01-22 Zack Weinberg <zackw@panix.com>
20506 * rtl.def (match_code): Add second argument.
20507 * genpreds.c (write_extract_subexp): New function.
20508 (write_match_code): Add path argument. Use write_extract_subexp.
20509 (write_predicate_expr): Pass path to write_match_code.
20510 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20511 not perform a mode test.
20512 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20513 a subexpression does not constrain the top-level code set.
20514 * read-rtl.c (read_rtx_variadic): New function.
20515 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20516 * doc/md.texi: Document new notation.
20517 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20518 (cmpsi_operand): ... here, using new notation.
20520 2006-01-22 Zack Weinberg <zackw@panix.com>
20522 * varray.c: Remove GENERATOR_FILE #ifdefs.
20524 2006-01-22 Zack Weinberg <zackw@panix.com>
20526 * genautomata.c (output_reserved_units_table): Emit nothing if
20527 description->query_units_num is zero. Remove extra blank line.
20528 (output_cpu_unit_reservation_p): Short circuit
20529 if description->query_units_num is zero.
20531 2006-01-22 Zack Weinberg <zackw@panix.com>
20533 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20534 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20535 nor any of the random handful of variables that used to be necessary
20536 when this program was linked with rtlanal.o. Prune set of forward
20537 function declarations.
20538 (struct attr_desc): Remove static_p field.
20539 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20540 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20541 (attr_string): Do not read the character one past the length of
20543 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20544 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20545 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20546 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20547 (make_automaton_attrs): New.
20548 (main): Do not call into genautomata. Call local gen_bypass
20549 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20550 Remove special case for insn_alts.
20551 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20552 varray.h (leftover from previous change). Prune set of forward
20553 function declarations. Remove state_alts fields from all
20554 structures. Remove state_alts_table from struct automaton.
20555 Make everything except main static. Do not maintain num_dfa_decls.
20556 Do not maintain state_alts fields of various structures.
20557 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20558 (add_arc): Remove state_alts argument. All callers updated.
20559 (output_reserved_units_table): Emit #ifdef here...
20560 (output_tables): ...not here. Don't generate state_alts tables.
20561 (expand_automata): Don't generate attributes.
20562 (write_automata): Don't generate state_alts functions.
20563 (main): New function.
20564 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20565 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20566 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20567 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20568 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20569 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20570 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20571 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20573 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20574 * genattrtab.h: Delete file.
20575 * Makefile.in (OBJS-common): Add insn-automata.o.
20576 (insn-automata.o): New rule.
20577 (simple_generated_c): Add insn-automata.c.
20578 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20579 (genprogmd): Add automata.
20580 (build/genattrtab): Needs no extra objects nor libraries.
20581 (build/genautomata): Needs build/vec.o and -lm.
20583 2006-01-22 Zack Weinberg <zackw@panix.com>
20585 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20586 (output_dfa_max_issue_rate, locked_states_num): Delete.
20587 (struct automaton): Add locked_states field.
20588 (output_dead_lock_vect): Save number of locked states in
20589 automaton->locked_states. If it is zero, don't print anything.
20590 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20591 (output_internal_dead_lock_func): Only test the dead_lock_vect
20592 for automata that have locked states.
20593 (output_statistics): Always print the number of locked states for
20594 each automaton. Calculate total number of locked states here.
20595 (write_automata): Don't call output_dfa_max_issue_rate.
20596 * genattrtab.c: Define length_unit_log as a const variable.
20597 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20598 max_insn_queue_index const.
20599 * final.c (length_unit_log): Declare const.
20600 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20602 2006-01-22 Zack Weinberg <zackw@panix.com>
20604 * genautomata.c: Include vec.h, not varray.h.
20605 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20606 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20607 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20608 VEC_* macros operating on appropriately typed vectors, or to
20609 malloced arrays when the size is known in advance. Const-ify
20610 many char* variables and function arguments. No functional changes.
20611 * Makefile.in (build/varray.o): Delete rule.
20612 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20613 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20615 2006-01-22 Zack Weinberg <zackw@panix.com>
20617 * gensupport.c: Define get_insn_name and record_insn_name here.
20618 (read_md_rtx): Call record_insn_name as appropriate.
20619 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20620 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20621 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20623 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20624 (BUILD_VARRAY): Delete.
20625 (genprognormal): Rename genprogmd. Fold in all programs from
20626 genprognoprint; also attrtab.
20627 (build/genattrtab): Just mention genautomata.o and varray.o.
20628 Reorganize a bit, add comments to make the categories clearer.
20630 2006-01-22 Zack Weinberg <zackw@panix.com>
20632 * genconditions.c (condition_table, add_condition): Delete.
20633 (write_conditions): Don't emit n_insn_conditions nor
20634 insn_elision_unavailable. Issue the gcc version #ifdef here,
20635 inside the table, with no #else clause ...
20636 (write_header): ...not here.
20637 (write_writer): New function.
20638 (main): Don't initialize condition_table. Use add_c_test.
20640 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20641 files on the command line.
20642 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20643 Return -1 if there is no entry in the table, don't abort.
20644 (add_c_test, traverse_c_tests): New functions.
20645 * gensupport.h (insn_elision_unavailable, insn_conditions)
20646 (n_insn_conditions): Delete declarations.
20647 (add_c_test, traverse_c_tests): Declare.
20648 * read-rtl.c: Include gensupport.h.
20649 (read_conditions): New function.
20650 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20651 (read_rtx_1): If we get EOF when we were looking for an initial
20652 open paren, return 0. Call read_conditions when appropriate.
20653 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20654 dummy-conditions.o. Eliminate references to insn-conditions.o,
20655 or change them to build/gencondmd.o, as appropriate. Remove
20656 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20657 from $(simple_generated_c). For all files remaining in those
20658 two lists, add insn-conditions.md to the generator command line.
20659 Give insn-constants.h/s-constants their own rules. Add rules
20660 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20661 (build/read-rtl.o): Depend on gensupport.h.
20662 (genprognormal): Include preds.
20663 (genprogearly): Rename genprognoprint; only difference is now that
20664 they don't link with $(BUILD_PRINT).
20665 * dummy-conditions.c: Delete.
20667 2006-01-22 Zack Weinberg <zackw@panix.com>
20669 * genextract.c: Don't include insn-config.h. Do include vec.h.
20670 Declare vectors of int, char, and locstr.
20671 (locstr): New typedef.
20672 (struct extraction): Make all array fields into bare pointers.
20673 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20674 (insn_code_number): Delete.
20675 (accum_extract): New struct.
20676 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20677 (gen_insn): Take insn_code_number as an argument. Use an
20678 accum_extract structure instead of loading data directly into
20679 a struct extraction, and having to know how big it might get.
20680 (walk_rtx): Operate entirely on an accum_extract structure.
20681 (print_path): Avoid unnecessary use of printf.
20682 (print_header): New function, split out of main. Distinguish
20683 more carefully between an unrecognizable insn and an insn that
20684 has the code number of a define_expand.
20685 (main): Pass insn_code_number to gen_insn. Call print_header
20686 only after parsing. Avoid unnecessary use of printf.
20687 * Makefile.in (build/vec.o): New rule.
20688 (build/genextract): Depend on build/vec.o.
20689 (build/genextract.o): Don't depend on insn-config.h.
20691 2006-01-22 Zack Weinberg <zackw@panix.com>
20693 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20694 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20695 practical. Eliminate per-generator-program link rules.
20697 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20699 PR middle-end/24437
20700 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20701 with a call expr to ...
20702 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20704 2006-01-23 Richard Guenther <rguenther@suse.de>
20706 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20707 before make_edge with conditional EDGE_TRUE_VALUE.
20709 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20710 Jan Hubicka <jh@suse.cz>
20711 Richard Guenther <rguenther@suse.de>
20713 PR rtl-optimization/25654
20714 * cfgexpand.c (aggregate_contains_union_type): New function.
20715 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20716 for structure variables that contain a union type.
20718 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20720 * gengtype.c (new_structure): Return the structure.
20721 (create_option): Add an extra "next" argument.
20722 (create_field): New function.
20723 (adjust_field_rtx_def): Use create_option and create_field.
20724 Remove a now-unnecessary call to find_structure.
20725 (adjust_field_tree_def): Likewise.
20726 (note_yacc_type): Remove an unnecessary call to find_structure.
20727 * gengtype.h (new_structure): Return the structure.
20728 (create_option): Add an extra argument.
20729 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20730 (option): Adjust calls to create_option.
20732 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20734 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20736 2006-01-22 Paul Brook <paul@codesourcery.com>
20737 Peter Barada <peter@the-baradas.com>
20739 * config/m68k/m68k.md: Add Coldfire FPU support.
20740 Define FP mode macro and associated attributes.
20741 Use it for float mode patterns.
20742 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20743 (LIBCALL_VALUE): Use m68k_libcall_value.
20744 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20745 (m68k_function_value): Ditto.
20746 (emit_move_sequence): Ditto.
20747 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20748 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20749 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20750 (MULTILIB_EXCEPTIONS): Ditto.
20751 * config/m68k/m68k.opt: Add mcfv4e.
20752 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20753 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20754 (m68k_output_function_prologue): Save ColdFire FPU registers.
20755 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20756 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20757 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20758 ColdFire FPU registers.
20759 (m68k_libcall_value, m68k_function_value): New functions.
20760 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20761 (LIBCALL_VALUE): Use m68k_libcall_value.
20762 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20763 (MASK_COLDFIRE): Add MASK_CFV4E.
20764 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20765 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20766 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20767 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20768 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20769 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20770 * doc/invoke.tex: Document -mcfv4e on m68k.
20772 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20774 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20777 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20780 * c-opts.c (c_common_handle_option): Don't include
20781 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20782 * doc/invoke.texi (C++ Dialect Options): Document that
20783 -Wnon-virtual-dtor is no longer included in -Wall.
20785 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20787 * gcov.c (print_version), gcov-dump.c (print_version),
20788 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20791 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20793 * df-scan.c (problem_SCAN): Added NULL reset function.
20794 (df_scan_reset_blocks): Added code to call reset block function
20795 (df_bb_refs_delete) Fixed comment.
20796 (df_insn_refs_delete): Made tolerant of deleting non existent info
20797 for dataflow problems that need to be reset.
20798 * df-core.c (df_set_blocks): Ditto.
20799 * df.h (struct df_problem): Added reset_fun.
20800 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20801 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20802 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20803 functions to clear out all references to def-use or use-def chains.
20805 2006-01-21 Ben Elliston <bje@au.ibm.com>
20807 * varasm.c (assemble_real): Initialise data array.
20809 2006-01-20 Paul Brook <paul@codesourcery.com>
20811 Merge from csl-arm-branch.
20812 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20813 * config/arm/arm.md (movdi): Force operands[1] to a register
20814 if we have a non-register source.
20815 (*arm_movdi, *movdf_soft_insn): Require that one of the
20816 operands be a register.
20817 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20818 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20820 2006-01-20 DJ Delorie <dj@redhat.com>
20822 * varasm.c (initializer_constant_valid_p): Allow pointers
20823 initialized from integer constants of lesser precision.
20824 (output_constant): Allow non-int-sized pointer modes to be
20825 initialized from integer constants.
20827 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20830 * cppdefault.h (struct default_include): Add multilib flag.
20831 * cppdefault.c (cpp_include_defaults): Set it.
20832 * c.opt (-imultilib): New option.
20833 * c-opts.c (imultilib): New.
20834 (c_common_handle_option): Handle -imultilib.
20835 (c_common_post_options): Likewise.
20836 * c-incpath.c (add_standard_paths, register_include_chains):
20838 * c-incpath.h (register_include_chains): Add extra parameter.
20839 * gcc.c (do_spec_1): Generate -imultilib option.
20840 (The Specs Language): Update %I description.
20841 (process_command): Update copyright notice.
20842 * doc/cppopts.texi (-imultilib): Document.
20843 * doc/invoke.texi (-imultilib): Include in option summary.
20844 (%I): Update specs documentation.
20846 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20848 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20850 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20852 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20855 2006-01-20 Richard Guenther <rguenther@suse.de>
20856 Steven Bosscher <stevenb.gcc@gmail.com>
20858 PR rtl-optimization/24626
20859 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20860 EDGE_TRUE_VALUE if in RTL mode.
20863 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20864 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20866 2006-01-20 Dirk Mueller <dmueller@suse.com>
20869 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20870 instead of a special NOP marker.
20871 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20872 NOP marker handling.
20873 * c-common.h (empty_body_warning): Add forward declaration.
20874 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20875 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20877 2006-01-20 Paul Brook <paul@codesourcery.com>
20879 * Makefile.in (lang_checks): Keep going if mkdir fails.
20881 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20883 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20884 be able to clean out basic block when not necessary.
20885 (df_scan_free): Fixed to properly delete information if df is
20886 unused before calling df_finish.
20887 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20888 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20890 (df_bb_refs_delete): New function.
20891 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20892 * df-core.c (df_set_blocks): Added code to properly clean out
20893 unused blocks if they are not part of the blocks to consider.
20894 Added additional null check.
20895 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20896 be able to clean out basic block when not necessary
20897 * df.h (df_free_bb_function): Ditto.
20898 (df_bb_refs_delete): New function.
20899 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20900 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20901 basic block parameter to be able to clean out basic block when not
20903 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20904 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20905 Fixed to properly delete information if df is unused before
20908 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20910 PR rtl-optimization/25799
20911 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20912 Corrected confluence operator to remove bits from op2 before oring
20913 with op1 rather than removing bits from op1.
20914 (df_ru_transfer_function): Corrected test on wrong bitmap which
20915 caused infinite loop. Both of these problems were introduced in
20916 the dataflow rewrite.
20918 2006-01-19 DJ Delorie <dj@redhat.com>
20920 * reload1.c (find_reload_regs): Note the details of reload
20921 failures in the dump file.
20922 (spill_failure): Likewise.
20924 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20926 * loop-iv.c: Include df.h and hashtab.h.
20927 (enum iv_grd_result): New enum.
20928 (DF_REF_IV, DF_REF_IV_SET): New macros.
20929 (struct biv_entry): New.
20930 (df, bivs): New global variables.
20931 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20932 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20934 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20935 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20936 analyzed_for_bivness_p, record_biv): New functions.
20937 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20938 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20939 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20941 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20943 (iv_number_of_iterations): Use new interface to iv analysis.
20944 * loop-unroll.c: Do not include varray.h.
20945 (analyze_iv_to_split_insn): Use new interface to iv
20947 * loop-unswitch.c (may_unswitch_on): Ditto.
20948 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20950 (df_bb_modify): Realloc tables to the new index.
20951 (df_find_use): New function.
20952 * df.h (df_find_use): Declare.
20953 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20955 * cfgloop.h (struct rtx_iv): Remove analysed field.
20956 (iv_get_reaching_def): Removed.
20957 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20958 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20959 (loop-iv.o): Add df.h and hashtab.h dependency.
20960 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20962 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20965 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20967 (__floatundisf, __floatundidf): Likewise.
20968 * libgcc2.h (IS_IBM_EXTENDED): Define.
20970 2006-01-19 DJ Delorie <dj@redhat.com>
20972 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20974 2006-01-19 Paul Brook <paul@codesourcery.com>
20976 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20977 as nothrow when unwinding tables are disabled.
20979 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20982 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20983 of bit-field" when in system header.
20985 2006-01-19 DJ Delorie <dj@redhat.com>
20987 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20988 the 16 bit shift limit of the m16c.
20990 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20993 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20994 * config/i386/i386.c (output_set_got): Output the label if we have one
20995 for the TARGET_DEEP_BRANCH_PREDICTION case.
20997 2006-01-19 Jan Hubicka <jh@suse.cz>
20998 H.J. Lu <hongjiu.lu@intel.com>
20999 Evandro Menezes <evandro.menezes@amd.com>
21001 * invoke.texi (generic): Document
21003 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21004 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21005 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21006 (x86_use_incdec, x86_pad_returns): New variables
21007 (TARGET_CPU_DEFAULT_generic): New constant
21008 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21009 (enum processor_type): Add generic32 and generic64.
21010 * i386.md (cpu attribute): Add generic32/generic64
21011 (movhi splitter): Behave sanely when both partial_reg_dependency and
21012 partial_reg_stall are set.
21013 (K8 splitters): Enable for generic as well.
21014 * predicates.md (incdec_operand): Use TARGET_INCDEC
21015 (aligned_operand): Avoid memory mismatch stalls.
21016 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21017 * ppro.md: Enable for generic32
21018 * i386.c (generic64_cost, generic32_cost): New.
21019 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21020 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21021 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21022 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21023 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21024 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21025 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21026 x86_accumulate_outgoing_args, x86_prologue_using_move,
21027 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21028 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21029 Enable for generic.
21030 (x86_use_incdec, x86_pad_returns): New.
21031 (override_options): Add generic32 and generic64, translate "generic"
21032 to generic32/generic64 and "i686" to "generic32", refuse
21033 "generic32"/"generic64" as arch target.
21034 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21035 (ix86_reorg): Honor PAD_RETURNS.
21037 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21039 * tree-pretty-print.c (dump_generic_node): Handle
21040 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21041 * cgraph.c (cgraph_expand_queue): Rename from
21042 cgraph_analyze_queue. Update all users.
21043 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21044 cgraph_expand_queue.
21045 (cgraph_expand_all_functions): Likewise.
21046 (cgraph_finalize_pending_functions): Remove. Update callers.
21048 * tree.h (OMP_DIRECTIVE_P): Define.
21049 (OMP_PARALLEL_FN): Define.
21050 (OMP_PARALLEL_DATA_ARG): Define.
21051 (OMP_SECTIONS_SECTIONS): Define.
21052 * tree-pass.h (pass_expand_omp): Declare.
21053 * omp-low.c (struct omp_region): Declare.
21054 (struct omp_context): Remove fields 'parallel_type',
21055 'parallel_start_ix' and 'parallel_start_additional_args'.
21057 (struct omp_for_data): Rename from struct expand_omp_for_data.
21058 (omp_regions): New static variable.
21059 (root_omp_region): New static variable.
21060 (find_omp_clause): Make static.
21061 (is_in_combined_parallel_ctx): Remove.
21062 (is_combined_parallel): New.
21063 (extract_omp_for_data): Move earlier in the file.
21064 (workshare_safe_to_combine_p): New.
21065 (get_ws_args_for): New.
21066 (determine_parallel_type): Move earlier in the file.
21067 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21069 (omp_copy_decl): Likewise.
21070 (create_omp_child_function): Likewise.
21071 (lookup_omp_region): New.
21072 (dump_omp_region): New.
21073 (debug_omp_region): New.
21074 (debug_all_omp_regions): New.
21075 (new_omp_region): New.
21076 (scan_omp_parallel): If parallel_nesting_level > 1, the
21077 directive is nested within another parallel directive.
21078 Set OMP_PARALLEL_FN.
21079 (scan_omp_for): Do not try to handle combined parallel+for
21081 Remove FIXME comment.
21082 (scan_omp_nested): Remove.
21083 (scan_omp_1): Do not call scan_omp_nested when
21084 parallel_nesting_level is > 1.
21085 Do not change the DECL_CONTEXT of local variables found.
21086 (lookup_decl_in_outer_ctx): New.
21087 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21088 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21089 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21090 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21091 If CTX is nested, lookup VAR in the outer context when
21092 building copy assignment.
21093 (lower_send_clauses): Rename from expand_send_clauses.
21094 If CTX is nested, lookup VAR in the outer context when
21095 building copy assignments.
21096 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21097 If CTX is nested, lookup VAR in the outer context when
21098 building copy assignments.
21099 (expand_parallel_call): Rename from build_parallel_call.
21100 Handle combined parallel+workshare cases.
21101 Re-implement to emit code into the CFG.
21103 (expand_omp_parallel): Re-implement to emit code into the CFG.
21104 Call move_sese_region_to_fn to outline the sub-graph
21105 containing the parallel region.
21106 (expand_omp_for_1): Remove.
21107 (expand_omp_for_generic): Re-implement to emit code into the
21109 (expand_omp_for_static_nochunk): Likewise.
21110 (expand_omp_for_static_chunk): Likewise.
21111 (expand_omp_for): Likewise.
21112 (expand_omp_sections): Likewise.
21113 (remove_exit_barriers): New.
21114 (expand_omp_synch): New.
21116 (build_omp_regions_1): New.
21117 (build_omp_regions): New.
21118 (execute_expand_omp): New.
21119 (gate_expand_omp): New.
21120 (pass_expand_omp): Define.
21121 (lower_omp_sections): Rename from expand_omp_sections.
21122 Set OMP_SECTIONS_SECTIONS.
21123 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21124 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21125 (lower_omp_single): Rename from expand_omp_simple.
21126 (lower_omp_master): Rename from expand_omp_master.
21127 (lower_omp_ordered): Rename from expand_omp_ordered.
21128 (lower_omp_critical): Rename from expand_omp_critical.
21129 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21130 (lower_omp_for): Re-implement.
21131 (lower_omp_parallel): Re-implement.
21132 (lower_regimplify): Rename from expand_regimplify.
21133 (lower_omp_1): Rename from expand_omp_1.
21134 If there are syntax errors in the program, replace every
21135 OpenMP directive with NOP.
21136 Call lower_omp_* instead of expand_omp_*.
21137 (lower_omp): Rename from expand_omp.
21139 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21140 * tree-gimple.h (enum omp_parallel_type): Remove.
21141 (gimple_boolify): Declare extern.
21142 (find_omp_clause, determine_parallel_type): Remove.
21144 * gimple-low.c (lower_omp_directive): New.
21145 (lower_stmt): Call it.
21146 (record_vars_into): Move from ...
21147 (record_vars): ... here.
21148 Call record_vars_into with current_function_decl.
21150 * gimplify.c (struct gimplify_ctx): Remove fields
21151 combined_pre_p and combined_ctxp. Update users.
21152 (get_formal_tmp_var): Add documentation.
21153 (gimple_boolify): Make extern.
21154 (gimplify_expr_in_ctx): Remove. Update callers.
21155 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21156 will always be a BIND_EXPR.
21157 (gimplify_expr): Handle OMP_RETURN_EXPR.
21158 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21159 (OMP_PARALLEL): Add 3 operands.
21160 (OMP_SECTIONS): Add 1 operand.
21161 (OMP_RETURN_EXPR): Define.
21163 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21164 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21165 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21166 creating a circular free list.
21167 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21169 * tree-flow.h (move_sese_region_to_fn): Declare.
21170 (record_vars_into): Declare.
21171 * tree-cfg.c (make_omp_sections_edges): New.
21172 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21173 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21174 OMP_SECTIONS and OMP_SECTION.
21175 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21176 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21177 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21178 (gather_blocks_in_sese_region): New.
21179 (struct move_stmt_d): Declare.
21180 (move_stmt_r): New.
21181 (move_block_to_fn): New.
21182 (move_sese_region_to_fn): New.
21184 * passes.c (init_optimization_passes): Schedule
21185 pass_expand_omp after pass_init_datastructures.
21187 * tree-ssa-operands.c (get_expr_operands): Handle
21188 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21189 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21191 2006-01-19 Jeff Law <law@redhat.com>
21193 * tree-vrp.c (extract_range_from_assert): Refine the result range
21194 if the variable referenced by the ASSERT_EXPR has a range and
21195 either the tentative result range or the previous range is a
21198 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21200 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21202 2006-01-19 Jan Hubicka <jh@suse.cz>
21204 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21206 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21208 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21209 (expand_compound_operation, expand_field_assignment): Fail if the
21210 bit lengths of an extract operation are out of range.
21211 (make_extraction): Compute wanted_inner_mode based on the position
21212 and length of the extraction. Make it extraction_mode for non-constant
21213 positions, and do not modify offset in that case. When generating a
21214 new MEM, use a mode that can hold the extraction while keeping correct
21215 alignment. Remove code that supported MEMs wrapped by USEs.
21216 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21218 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21220 * config/s390/s390.md ("Y", "y"): New mode attribute.
21221 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21222 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21223 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21224 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21225 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21226 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21227 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21228 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21229 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21230 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21231 "addsi3", "subsi3"): Insn patterns removed.
21232 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21233 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21234 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21235 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21236 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21237 "*sub<mode>3_cconly2"): New insn patterns.
21238 ("addsi3", "subsi3"): New expanders.
21240 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21242 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21243 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21244 existing STMT_VINFO_VECTYPE if available.
21245 (vect_mark_relevant): Add special handling for stmts that are
21246 marked as STMT_VINFO_IN_PATTERN_P.
21247 (vect_analyze_loop): Call vect_pattern_recog.
21248 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21249 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21251 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21252 (vect_recog_func_ptr): New function-pointer type.
21253 * tree-vect-patterns.c: New file.
21254 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21255 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21256 (vect_pattern_recog_1): New functions.
21257 (vect_pattern_recog_funcs): New array of function pointers.
21259 * tree-vectorizer.h (ternary_op): New enum value.
21260 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21261 declaration. Revised documentation. Removed redundant dump prints.
21262 Removed redundant argument. Added support for reduction patterns.
21263 (vectorizable_reduction): Added support for reduction patterns.
21264 (vect_transform_stmt): Added support for patterns.
21266 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21267 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21268 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21269 (expand_widen_pattern_expr): New function.
21270 (init_optabs): Initialize new optabs udot_prod_optab,
21272 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21273 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21274 (expand_widen_pattern_expr): New function declaration.
21275 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21277 * tree-inline.c (estimate_num_insns_1): Added cases for new
21278 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21279 * tree-pretty-print.c (dump_generic_node): Likewise.
21280 (op_prio): Likewise.
21281 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21282 * tree-ssa-operands.c (get_expr_operands): Added case for
21284 * tree-vect-patterns.c (widened_name_p): New function.
21285 (vect_recog_dot_prod_pattern): Added function implementation.
21286 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21287 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21288 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21289 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21291 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21292 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21293 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21294 (init_optabs): Initialize new optabs widen_ssum_optab,
21296 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21297 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21298 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21299 use instead of type of def.
21300 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21301 function implementation.
21302 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21303 widen_ssumv8hi): New.
21305 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21308 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21311 * c-decl.c (add_flexible_array_elts_to_size): New function.
21312 (finish_decl): Use it.
21314 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21316 * diagnostic.h: Include options.h.
21317 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21318 dependancies for diagnostic.h.
21319 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21321 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21323 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21324 (ssa_ro_call_cache_valid): Ditto.
21325 * tree-ssa-alias.c (sort_tags_by_id): New function.
21326 (init_transitive_clobber_worklist): Ditto.
21327 (add_to_worklist): Ditto.
21328 (mark_aliases_call_clobbered): Ditto.
21329 (compute_tag_properties): Ditto.
21330 (set_initial_properties): Ditto.
21331 (compute_call_clobbered): Ditto.
21332 (compute_may_aliases): Call compute_call_clobbered and grouping.
21333 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21334 (compute_flow_insensitive_aliasing): Grouping now happens in our
21336 (setup_pointers_and_addressables): Remove clobbering related code.
21337 (add_may_alias): Ditto.
21338 (replace_may_alias): Ditto.
21339 (get_nmt_for): Ditto.
21340 (create_global_var):
21341 (is_escape_site): Return an escape_type enumeration.
21342 * tree-flow-inline.h (is_call_clobbered): Global var does not
21343 imply call clobbered.
21344 (mark_call_clobbered): Take a reason for marking this. Remove
21345 marking of globalness, and cache invalidation.
21346 (clear_call_clobbered): Remove cache invalidation code.
21347 * tree-dfa.c (dump_variable): If details is on, dump the reason
21349 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21351 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21352 (struct var_ann_d): Ditto.
21353 (enum escape_type): New.
21354 (mark_call_clobbered): Adjust prototype.
21355 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21356 are never call clobbered.
21357 Record reasons for escaping.
21358 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21359 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21360 (ssa_ro_call_cache_valid): Ditto.
21361 (clobbered_v_may_defs): Ditto.
21362 (clobbered_vuses): Ditto.
21363 (ro_call_vuses): Ditto.
21364 (clobber_stats): New.
21365 (init_ssa_operands): Zero out clobber stats.
21366 (fini_ssa_operands): Print out clobber stats.
21367 (get_call_expr_operands): Pass callee fndecl to
21368 add_call_read_ops).
21369 (add_call_clobber_ops): Remove use of cache.
21370 Add use of PURE_CONST information.
21371 (add_call_read_ops): Remove use of cache.
21372 Add use of static not_read information.
21374 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21376 Introduce TLS descriptors for i386 and x86_64.
21377 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21378 (TARGET_ANY_GNU_TLS): New macro.
21379 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21380 (struct machine_function): Add tls_descriptor_call_expanded_p.
21381 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21382 (ix86_current_function_calls_tls_descriptor): Likewise.
21383 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21384 (override_options): Introduce gnu2 tls dialect.
21385 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21387 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21389 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21390 (ix86_init_machine_status): Initialize new field.
21391 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21392 (ix86_tls_module_base): New.
21393 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21394 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21395 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21396 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21397 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21398 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21399 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21400 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21401 * config/i386/predicates.md (tls_modbase_operand): New.
21402 (tp_or_register_operand): New.
21404 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21406 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21407 (look_for_address_of): Ditto.
21408 (ipa_init): Walk the function decls.
21409 (static_execute): Don't set readonly on FUNCTION_DECL's.
21411 2006-01-18 Roger Sayle <roger@eyesopen.com>
21413 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21414 for shifts where the source and destination registers are different.
21416 2006-01-18 Paul Brook <paul@codesourcery.com>
21418 Merge from csl-arm-branch.
21419 2005-03-14 Julian Brown <julian@codesourcery.com>
21420 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21421 (aeabi_llsl): Likewise.
21422 (ashrdi3): Likewise.
21423 (aeabi_lasr): Likewise.
21424 (lshrdi3): Likewise.
21425 (aeabi_llsr): Likewise.
21426 2005-03-10 Julian Brown <julian@codesourcery.com>
21427 * config.gcc: Disable shared libgcc for SymbianOS.
21428 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21430 2006-01-18 DJ Delorie <dj@redhat.com>
21432 * c-pragma.c (handle_pragma_diagnostic): New.
21433 (init_pragma): Register it.
21434 * doc/extend.texi: Document it.
21436 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21437 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21438 (diagnostic_context): Add classify_diagnostic[].
21439 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21440 as errors if they're overridden to DK_WARNING.
21441 (diagnostic_initialize): Initialize classify_diagnostic[].
21442 (diagnostic_set_kind_override): New.
21443 (diagnostic_report_diagnostic): Check for kind changes.
21444 * opts.c (common_handle_option): Take lang_mask. Update callers.
21445 Handle OPT_Werror_.
21446 * common.opt (Werror=): New.
21447 * doc/invoke.texi: Document -Werror=*
21449 2006-01-18 Jeff Law <law@redhat.com>
21451 * tree-vrp.c (test_for_singularity): Correct test for new
21452 min limit. Use operand_equal_p rather than pointer equality
21453 for testing if new min/max values are equal.
21455 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21456 using range information until after propagation and folding.
21458 2006-01-18 Richard Henderson <rth@redhat.com>
21459 Aldy Hernandez <aldyh@redhat.com>
21460 Jakub Jelinek <jakub@redhat.com>
21461 Diego Novillo <dnovillo@redhat.com>
21463 * omp-low.c: New file.
21464 * c-omp.c: New file.
21466 2006-01-18 Richard Henderson <rth@redhat.com>
21467 Jakub Jelinek <jakub@redhat.com>
21468 Diego Novillo <dnovillo@redhat.com>
21470 * doc/invoke.texi: Document -fopenmp.
21471 * tree-dump.h (debug_function): Declare.
21472 * hooks.c (hook_bool_tree_bool_false): New function.
21473 (hook_tree_tree_null): Remove.
21474 (hook_tree_tree_tree_null): New.
21475 * hooks.h: Update to match.
21476 * tree-pretty-print.c (debug_tree_chain): New.
21477 (print_generic_expr): Handle TDF_CHAIN.
21478 (dump_generic_node): Handle BLOCK.
21479 Do not abort with incomplete SWITCH_EXPRs.
21480 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21481 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21482 print space after directive name.
21483 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21484 Handle OMP_MASTER and OMP_ORDERED.
21485 Handle printing of OMP_BODY just in one place, goto
21486 dump_omp_body in the rest of OMP_* nodes that have
21488 Don't handle clause nodes here. Update omp statements to
21489 use dump_omp_clauses.
21490 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21491 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21492 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21493 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21494 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21495 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21496 Adjust output for GOMP_PARALLEL.
21497 (dump_omp_clauses): New.
21498 (print_declaration): Dump DECL_VALUE_EXPR.
21499 (op_symbol_1): Split out of op_symbol.
21500 (dumping_stmts): Remove. Update all users.
21501 * cgraph.c (cgraph_analyze_queue): New.
21502 (cgraph_add_new_function): New.
21503 * cgraph.h (cgraph_analyze_queue): Declare.
21504 (cgraph_add_new_function): Declare.
21505 (cgraph_lower_function): Remove.
21506 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21507 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21508 and TYPE_P nodes in its default clause.
21509 (empty_body_p): New.
21510 (tree_range_check_failed): New.
21511 (build5_stat): New.
21512 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21513 OMP_CLAUSE_REDUCTION_MERGE,
21514 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21515 OMP_CLAUSE_PRIVATE_DEBUG,
21516 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21517 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21518 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21519 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21520 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21521 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21522 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21523 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21524 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21525 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21526 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21527 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21528 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21529 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21530 (TREE_RANGE_CHECK): New.
21531 (empty_body_p): Declare.
21532 (enum omp_clause_default_kind): New.
21533 (build_string_literal): Declare.
21534 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21535 (build5_stat, build5): Declare.
21536 * tree-pass.h (TDF_CHAIN): Define.
21537 * tree-pass.h (PROP_gimple_lomp): Define.
21538 (pass_lower_omp): Declare.
21539 * diagnostic.h (debug_tree_chain): Declare.
21540 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21542 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21543 * builtins.c (build_string_literal): Make extern.
21544 * gcc.c (include_spec_function): New.
21545 (static_spec_functions): Add it.
21546 (main): Move load of libgomp.spec ...
21547 (LINK_COMMAND_SPEC): ... here.
21548 (link_gomp_spec): New.
21549 (static_specs): Include it.
21550 (LINK_COMMAND_SPEC): Add link_gomp.
21551 (GOMP_SELF_SPECS): New.
21552 (driver_self_specs): Include it.
21553 (switch_matches): Don't mark inline.
21554 (main): Load libgomp.spec.
21555 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21556 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21557 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21558 * tree-gimple.h (enum omp_parallel): Declare.
21559 (determine_parallel_type): Declare.
21560 (omp_firstprivatize_variable): Declare.
21561 (omp_reduction_init): Declare.
21562 (diagnose_omp_structured_block_errors): Declare.
21563 (struct walk_stmt_info): Add want_return_expr.
21564 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21565 (find_omp_clause): Declare.
21566 (insert_field_into_struct): Declare.
21567 (struct walk_stmt_info): Move from tree-nested.c
21568 (walk_stmts): Declare.
21569 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21571 * cgraphunit.c (cgraph_lower_function): Make static.
21572 (cgraph_finalize_pending_functions): New.
21573 (cgraph_finalize_function): Call it.
21574 (cgraph_finalize_compilation_unit): Likewise.
21575 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21576 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21577 (BT_FN_UINT_UINT): New.
21578 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21579 DEF_FUNCTION_TYPE_VAR_4): Document.
21580 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21581 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21582 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21583 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21584 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21585 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21586 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21587 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21588 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21589 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21590 into separate files.
21591 (DEF_GOMP_BUILTIN): New.
21592 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21593 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21594 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21595 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21596 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21597 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21598 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21599 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21600 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21601 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21602 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21603 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21604 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21605 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21606 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21607 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21608 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21609 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21610 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21611 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21612 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21613 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21614 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21615 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21616 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21617 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21618 * sync-builtins.def: New file, moved from builtins.def.
21619 * omp-builtins.def: New file, moved from builtins.def.
21620 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21621 * gimple-low.c (lower_function_body): Clear data.
21622 (lower_stmt): Do not handle COMPOUND_EXPR.
21623 Remove call to print_node_brief.
21624 * c-tree.h (c_finish_omp_clauses): New prototype.
21625 (C_DECL_THREADPRIVATE_P): Define.
21626 (lookup_name_no_remap, c_omp_remap_private): Remove
21627 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21628 (check_for_loop_decls): Update decl.
21629 (lookup_name_no_remap, c_omp_remap_private): Declare.
21630 (build_indirect_ref, build_modify_expr, pushdecl,
21631 pushdecl_top_level): Move to c-common.h.
21632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21633 before the switch, but just in the 2 places that need it.
21634 * c-decl.c (diagnose_mismatched_decls): Do not check for
21635 mismatched thread-local attributes when OLDDECL is marked
21636 threadprivate and NEWDECL has no thread-local attributes.
21637 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21638 (c_gimple_diagnostics_recursively): Rename from
21639 c_warn_unused_result_recursively. Invoke
21640 diagnose_omp_structured_block_errors.
21641 (check_for_loop_decls): Return a singular decl found.
21642 * langhooks.c (lhd_omp_predetermined_sharing): Return
21643 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21644 (lhd_omp_firstprivatize_type_sizes): New.
21645 (lhd_omp_assignment): New.
21646 (lhd_omp_predetermined_sharing): New.
21647 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21648 (struct lang_hooks_for_types): Add
21649 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21650 omp_predetermined_sharing, omp_disregard_value_expr,
21651 omp_private_debug_clause, omp_clause_default_ctor,
21652 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21653 (c_finish_omp_clauses): New.
21654 (c_finish_bc_stmt): Diagnose break within omp for.
21655 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21656 (build_unary_op): Return error_mark after reporting
21658 (build_modify_expr): Likewise.
21659 * gimplify.c: Include optabs.h and pointer-set.h.
21660 (enum gimplify_omp_var_data): Declare.
21661 (struct gimplify_omp_ctx): Declare.
21662 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21664 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21665 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21666 (splay_tree_compare_decl_uid): New.
21667 (new_omp_context): New.
21668 (delete_omp_context): New.
21669 (gimple_add_tmp_var): Call omp_add_variable.
21670 (gimplify_bind_expr): Likewise.
21671 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21672 true, disregard DECL_VALUE_EXPR on the decl if any.
21673 (gimplify_expr_in_ctx): New.
21674 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21675 omp_add_variable, omp_notice_variable, omp_is_private
21676 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21677 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21678 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21679 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21680 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21681 gimplify_omp_atomic): New.
21682 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21683 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21684 OMP_CRITICAL and OMP_ATOMIC.
21685 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21686 * c-pragma.h (enum pragma_kind): Add
21687 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21688 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21689 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21690 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21691 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21692 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21693 PRAGMA_OMP_THREADPRIVATE.
21694 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21695 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21696 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21697 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21698 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21699 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21700 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21701 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21702 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21703 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21704 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21705 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21706 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21708 (struct nesting_info): Add field_map,
21709 suppress_expansion, debug_var_chain.
21710 (create_nesting_tree): Initialize them.
21711 (lookup_field_for_decl): Use field_map.
21712 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21713 (convert_local_omp_clauses): New.
21714 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21715 (walk_body): Split out of walk_function.
21716 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21717 (convert_nonlocal_reference): Handle omp statements.
21718 (convert_local_reference): Likewise.
21719 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21720 (unnest_nesting_tree): New.
21721 (lower_nested_functions): Call it.
21722 (insert_field_into_struct): Make extern.
21723 (struct walk_stmt_info): Move to tree-gimple.h.
21724 (walk_stmts): Make extern.
21725 * omp-builtins.def: New file.
21726 * tree-iterator.c (expr_only): Clarify comment.
21727 * c-common.h (pushdecl_top_level, pushdecl,
21728 build_modify_expr, build_indirect_ref,
21729 c_finish_omp_master, c_finish_omp_critical,
21730 c_finish_omp_ordered, c_finish_omp_barrier,
21731 c_finish_omp_atomic, c_finish_omp_flush,
21732 c_finish_omp_for, c_split_parallel_clauses,
21733 omp_clause_default_kind, c_omp_sharing_predetermined,
21734 c_omp_remap_decl): Declare.
21735 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21736 (OBJS-common): Add omp-low.o.
21737 (c-omp.o, omp-low.o): Add.
21738 (gimplify.o): Add dependency on $(OPTABS_H).
21739 (GTFILES): Add omp-low.c.
21740 (gt-stringpool.h): Add.
21741 * tree-cfg.c (set_bb_for_stmt): Do not update the
21742 block-to-labels map if we are currently expanding to RTL.
21743 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21745 Handle IDENTIFIER_NODE.
21746 (tree_verify_flow_info): Do not ICE when emitting error
21747 messages about invalid labels.
21748 (dump_function_to_file): Reset CFUN before emitting the body
21750 (debug_function): New.
21751 * passes.c (init_optimization_passes): Schedule
21753 * langhooks-def.h (lhd_omp_predetermined_sharing,
21754 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21756 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21757 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21758 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21759 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21760 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21761 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21762 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21763 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21764 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21765 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21766 (LANG_HOOK_DECLS): Use them.
21768 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21769 Richard Henderson <rth@redhat.com>
21770 Jakub Jelinek <jakub@redhat.com>
21771 Diego Novillo <dnovillo@redhat.com>
21773 * c-parser.c (pragma_omp_clause): Define.
21774 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21775 (c_parser_compound_statement): Likewise.
21776 (c_parser_statement): Likewise.
21777 (c_parser_pragma): Handle omp pragmas.
21778 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21779 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21780 (c_parser_omp_clause_name, check_no_duplicate_clause,
21781 c_parser_omp_variable_list,
21782 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21783 c_parser_omp_clause_copyprivate,
21784 c_parser_omp_clause_default,
21785 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21786 c_parser_omp_clause_lastprivate,
21787 c_parser_omp_clause_nowait,
21788 c_parser_omp_clause_num_threads,
21789 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21790 c_parser_omp_clause_reduction,
21791 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21792 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21793 c_parser_omp_atomic, c_parser_omp_barrier,
21794 c_parser_omp_critical, c_parser_omp_flush,
21795 c_parser_omp_for_loop, c_parser_omp_for,
21796 c_parser_omp_master, c_parser_omp_ordered,
21797 c_parser_omp_sections_scope, c_parser_omp_sections,
21798 c_parser_omp_parallel, c_parser_omp_single,
21799 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21800 * c-pragma.c (init_pragma): Do omp pragma registration here.
21801 * c.opt (fopenmp): New flag.
21803 2006-01-18 Eric Christopher <echristo@apple.com>
21805 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21806 * config/darwin.h (GOMP_SELF_SPECS): Define.
21808 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21810 * rtl.h: Remove the prototype for reg_alloc.
21812 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21815 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21816 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21817 sjlj and dwarf2 exception handling.
21818 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21819 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21820 * pa/pa.c (function_value): Treat complex and vector types as
21822 (function_arg): Likewise. Only pass scalar floats in the floating
21823 point argument registers.
21824 * pa/t-slibgcc-dwarf-ver: New file.
21825 * pa/t-slibgcc-sjlj-ver: New file.
21826 * pa/t-slibgcc-elf-ver: Delete file.
21828 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21830 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21831 unlikely_test_section_p test.
21833 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21835 * mode-switching.c (optimize_mode_switching): Make it static.
21836 * basic-block.h: Remove the prototype for
21837 optimize_mode_switching.
21839 * modulo-sched.c (sms_schedule): Make it static.
21840 * rtl.h: Remove the prototype for sms_schedule.
21842 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21843 * rtl.h: Remove the prototype for gcse_after_reload_main.
21845 * reg-stack.c (reg_to_stack): Make it static.
21846 * rtl.h: Remove the prototype for reg_to_stack.
21848 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21850 * rtl.h: Remove the prototypes for regrename_optimize and
21851 copyprop_hardreg_forward.
21853 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21855 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21856 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21857 Test against the appropriate null constant for the mode.
21858 If 'fixup_overlap' is true, swap the operands if they overlap.
21859 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21860 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21861 alpha_split_tmode_pair and adjust for above change.
21862 * config/alpha/alpha.md (movtf_internal): Adjust call to
21863 alpha_split_tfmode_pair and rely on it to swap the operands.
21864 (movti_internal): New insn and post-reload splitter.
21865 (movti): New expander.
21867 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21869 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21872 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21874 * rtlanal.c (global_reg_mentioned_p_1,
21875 global_reg_mentioned_p): Remove.
21876 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21878 * flow.c (initialize_uninitialized_subregs): Make it static.
21879 * rtl.h: Remove the prototype for
21880 initialize_uninitialized_subregs.
21882 * function.c (instantiate_virtual_regs): Make it static.
21883 * function.h: Remove the prototype for
21884 instantiate_virtual_regs.
21886 * regmove.c (regmove_optimize, combine_stack_adjustments):
21888 * rtl.h: Remove the prototypes for regmove_optimize and
21889 combine_stack_adjustments.
21891 2006-01-17 Roger Sayle <roger@eyesopen.com>
21893 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21894 (size_cost): Encode costs in bytes so that a reg-reg addition is
21895 equivalent to COSTS_N_INSNS(1).
21896 (override_options): Use the size_cost.branch_cost as the default
21897 ix86_branch_cost when optimizing for size.
21899 2006-01-18 Ben Elliston <bje@au.ibm.com>
21901 * Makefile.in (D32PBIT_FUNCS): New.
21902 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21903 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21904 D64PBIT_FUNCS and D128PBIT_FUNCS.
21905 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21906 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21908 (decnumber_dep): Define.
21909 * doc/libgcc.texi (Decimal float library routines): New node.
21910 * config/dfp-bit.h, config/dfp-bit.c: New files.
21912 2006-01-18 Ben Elliston <bje@au.ibm.com>
21914 * expr.c (emit_move_change_mode): Always adjust addresses, not
21915 just during reload. Copy replacements only during reload.
21916 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21917 emit_move_via_integer.
21919 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21921 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21922 instead of $(srcdir) and ${srcdir}.
21924 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21927 PR middle-end/11135
21928 * arm.h (struct machine_function): Add pic_reg.
21929 * arm.c (arm_pic_register): Make unsigned.
21930 (arm_override_options): Only set arm_pic_register if
21931 TARGET_SINGLE_PIC_BASE.
21932 (use_return_insn): Only test for a pic register if it is fixed.
21933 (arm_compute_save_reg0_reg12_mask): Likewise.
21934 (thumb_compute_save_reg_mask): Likewise.
21935 (legitimate_pic_operand): Factor out some known invariants.
21936 (legitimize_pic_address): If we don't have a fixed pic register,
21937 then set up a pseudo in the function entry sequence. Handle the
21938 pic base being in a pseudo.
21939 (arm_load_pic_register): Handle the pic register being in a pseudo.
21940 (arm_expand_prologue): Only set up the pic register if it is fixed.
21941 (thumb_expand_prologue): Likewise.
21942 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21943 (pic_load_addr_based_insn): Likewise.
21944 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21947 2006-01-18 Ben Elliston <bje@au.ibm.com>
21949 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21950 decimal float modes for all floating point registers.
21952 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21953 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21955 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21958 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21959 even when the pointer is not NULL.
21961 2006-01-16 Ian Lance Taylor <ian@airs.com>
21963 * common.opt (ftoplevel-reorder): New option.
21964 * cgraph.c (cgraph_asm_nodes): New global variable.
21965 (cgraph_asm_last_node): New static variable.
21966 (cgraph_order): New global variable.
21967 (cgraph_create_node): Set new order field.
21968 (cgraph_varpool_node): Likewise.
21969 (decide_is_variable_needed): Return true if not
21970 flag_toplevel_reorder.
21971 (cgraph_add_asm_node): New function.
21972 * cgraph.h (struct cgraph_node): Add order field.
21973 (struct cgraph_varpool_node): Add order field.
21974 (struct cgraph_asm_node): Define.
21975 (cgraph_asm_nodes, cgraph_order): Declare.
21976 (cgraph_add_asm_node): Declare.
21977 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21979 (cgraph_varpool_assemble_pending_decls): Call it.
21980 (cgraph_output_pending_asms): New static function.
21981 (cgraph_finalize_compilation_unit): Call it.
21982 (struct cgraph_order_sort): Define.
21983 (cgraph_output_in_order): New static function.
21984 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21985 !flag_toplevel_reorder case.
21986 * c-parser.c: Include "cgraph.h".
21987 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21989 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21990 than -fno-unit-at-a-time.
21991 * doc/invoke.texi (Option Summary): Mention
21992 -fno-toplevel-reorder.
21993 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21994 -funit-at-a-time documentation.
21996 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21997 Kazu Hirata <kazu@codesourcery.com>
21999 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22001 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22003 * Makefile.in (FUNCTION_H): New. Use it instead of
22004 function.h throughout the file.
22005 * function.h: Include tree.h.
22007 2006-01-17 Ben Elliston <bje@au.ibm.com>
22009 * recog.c: Separate some functions with whitespace.
22011 2006-01-16 Richard Henderson <rth@redhat.com>
22013 Merge from gomp branch:
22014 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22015 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22016 and rename from struct inline_data. Rename callee* to dst*;
22017 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22018 transform_new_cfg, transform_return_to_modify, and
22019 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22021 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22022 (copy_decl_for_dup): Remove.
22023 * tree-inline.c (struct inline_data): Move to header.
22024 (insert_decl_map): Export.
22025 (remap_decl): Update for member name changes. Use copy_decl hook.
22026 Allow for replacement to be a non-decl. Remove dead code.
22027 (remap_type_1): Check for existing mapping.
22028 (remap_type): Export.
22029 (remap_decls): Update for member name changes.
22030 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22031 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22032 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22033 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22034 (tree_function_versioning, build_duplicate_type): Likewise.
22035 (copy_body_r): Likewise. Export.
22036 (copy_decl_for_dup): Split into ...
22037 (copy_decl_for_dup_finish, copy_decl_to_var,
22038 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22039 (replace_ref_tree, inlining_p): Remove.
22041 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22043 * ifcvt.c (if_convert): Make it static.
22044 * rtl.h: Remove the prototype for if_convert.
22046 * local-alloc.c (local_alloc): Make it static.
22047 * rtl.h: Remove the prototype for local_alloc.
22049 * loop.c (loop_optimize): Make it static.
22050 * cfgloop.h: Remove the prototype for loop_optimize.
22053 2006-01-16 DJ Delorie <dj@redhat.com>
22055 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22058 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22060 * pa.md: Disparage copies between general and floating-point registers
22061 in 32-bit move patterns.
22063 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22066 * Makefile.in (check-%): Depend on site.exp instead of
22067 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22070 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22072 * global.c (global_alloc): Make it static.
22073 * rtl.h: Remove the prototype for global_alloc.
22075 2006-01-16 Richard Guenther <rguenther@suse.de>
22077 * tree-ssa-alias.c (struct used_part): Add write_only field.
22078 (get_or_create_used_part_for): Initialize it to true.
22079 (create_overlap_variables_for): Don't create structure variables
22080 for structures that only are written to.
22081 (find_used_portions): Handle MODIFY_EXPR to track whether a
22082 structure is only written to.
22084 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22086 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22088 * basic-block.h: Remove the prototype for
22089 partition_hot_cold_basic_blocks.
22091 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22093 * cppspec.c (lang_specific_spec_functions): Remove.
22094 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22095 * gcc.h (lang_specific_spec_functions): Remove.
22096 * gccspec.c (lang_specific_spec_functions): Remove.
22098 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22100 * combine.c (record_value_for_reg): Invalidate registers
22102 (record_dead_and_set_regs_1): Likewise, by passing them to
22103 record_value_for_reg.
22104 (record_dead_and_set_regs): Invalidate stores made by a
22105 call. We do not combine across a call, but we still
22106 relied on equivalences.
22108 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22110 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22111 vrp_int_const_binop returning non-constant nodes.
22113 2006-01-16 Paul Brook <paul@codesourcery.com>
22115 * config/m68k/m68k.c (output_move_const_into_data_reg):
22116 Output correct mnemonic for mvz and mvs.
22118 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22120 * rtl-factoring.c: Add sequence abstraction algorithm.
22121 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22122 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22124 (block_has_preserve_label): New function.
22125 * common.opt: Register new pass.
22126 * Makefile.in: Ditto.
22128 * timevar.def: Ditto.
22129 * tree-pass.h: Ditto.
22130 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22131 * rtl.h (make_jump_insn_raw): Add forward decl.
22132 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22134 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22135 Roger Sayle <roger@eyesopen.com>
22137 * fold-const.c (fold_minmax): New static function.
22138 (fold_binary) <MIN_EXPR>: Call it.
22139 <MAX_EXPR>: Likewise.
22140 * stor-layout.c (place_field): Use DECL_SIZE consistently
22141 in the computation of the new record size.
22143 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22145 * cse.c (cse_condition_code_reg): Make it static.
22146 * rtl.h: Remove the prototype for cse_condition_code_reg.
22148 * combine.c (combine_instructions): Make it static.
22149 * rtl.h: Remove the prototype for combine_instructions.
22151 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22154 * tree.c (get_file_function_name_long): Concatenate the first global
22155 object name with a string derived from the input filename of the object
22158 2006-01-16 Ben Elliston <bje@au.ibm.com>
22160 * config/i386/winnt-stubs.c: Update FSF address.
22161 * config/xtensa/ieee754-df.S: Ditto.
22162 * config/xtensa/ieee754-sf.S: Ditto.
22164 2006-01-14 Ian Lance Taylor <ian@airs.com>
22166 * ifcvt.c (noce_init_if_info): New static function, broken out of
22167 noce_process_if_block.
22168 (noce_process_if_block): Call noce_init_if_info.
22169 (check_cond_move_block): New static function.
22170 (cond_move_process_if_block): New static function.
22171 (process_if_block): Call cond_move_process_if_block.
22173 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22175 * cselib.c (hash_table): Rename to cselib_hash_table.
22176 (cselib_clear_table, discard_useless_values,
22177 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22178 cselib_init, cselib_finish): Adjust uses of hash_table.
22180 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22182 PR tree-optimization/25485
22183 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22184 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22185 is known to be false and true, respectively.
22187 2006-01-14 Richard Guenther <rguenther@suse.de>
22189 PR tree-optimization/22548
22190 PR tree-optimization/22555
22191 PR tree-optimization/22501
22192 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22193 * params.def (salias-max-array-elements): New parameter.
22194 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22195 * doc/invoke.texi (salias-max-array-elements): Document.
22196 * tree-flow-inline.h (var_can_have_subvars): We also handle
22198 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22200 * tree-ssa-structalias.c (params.h): Include.
22201 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22202 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22203 (get_constraint_for): For ADDR_EXPR operating on something
22204 containing an ARRAY_REF, add all subvars to the solution.
22205 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22206 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22207 for creating MUST_DEFs.
22208 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22210 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22212 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22214 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22215 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22216 number_of_iterations_le): New functions.
22217 (number_of_iterations_special): Removed.
22218 (number_of_iterations_exit): Do not use number_of_iterations_special.
22219 * tree.c (unsigned_type_for): Always return integer type.
22221 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22222 Richard Guenther <rguenther@suse.de>
22224 PR rtl-optimization/24257
22225 * gcse.c (find_moveable_store): Only consider a store movable
22226 when the SET_SRC of the insn can be assigned to a register.
22228 2006-01-14 Ian Lance Taylor <ian@airs.com>
22230 * tree.c (tree_not_class_check_failed): New function.
22231 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22232 (tree_not_class_check_failed): Declare.
22234 2006-01-13 Ian Lance Taylor <ian@airs.com>
22236 * reload1.c (do_output_reload): Add assertion rejecting a
22239 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22241 * combine.c (struct reg_stat): Add new fields truncation_label and
22243 (record_value_for_reg): Reset truncated_to_mode.
22244 (record_truncated_value): New function.
22245 (check_promoted_subreg): Call it. Rename to check_conversions.
22246 (combine_instructions): Rename check_promoted_subreg to
22248 (reg_truncated_to_mode): New function.
22249 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22250 (gen_lowpart_or_truncate): New function.
22251 (force_to_mode): Use it instead of gen_lowpart.
22253 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22255 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22256 VAR is a tag, not its type tag.
22258 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22260 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22261 alternatives to match style of other entries.
22262 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22264 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22266 PR tree-optimization/25771
22267 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22270 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22273 * tree-inline.c (declare_return_variable): If the return variable
22274 was marked as a non gimple complex, set the return slot variable
22275 to be a non gimple comple variable.
22277 2006-01-13 Richard Guenther <rguenther@suse.de>
22279 * builtins.c (expand_builtin_sincos): New function.
22280 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22282 (expand_builtin): Expand sincos using expand_builtin_sincos.
22284 2006-01-12 DJ Delorie <dj@redhat.com>
22286 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22287 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22288 so that constant shifts can be split.
22289 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22290 (m32c_valid_pointer_mode): Make static.
22291 (shift_gen_func_for): New.
22292 (m32c_prepare_shift): Use it. Split large const shifts into
22294 * config/m32c/predicates.md (shiftcount_operand): Allow more
22296 (longshiftcount_operand): New.
22297 * doc/md.texi (Machine Constraints): Document In6.
22299 2006-01-13 Ben Elliston <bje@au.ibm.com>
22301 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22302 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22305 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22307 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22308 to try to avoid clobbering pieces of structures when we know
22309 something about the whole structure.
22310 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22312 2006-01-13 Ben Elliston <bje@au.ibm.com>
22314 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22315 return in memory, as this is no limitation is no longer present.
22317 2006-01-12 DJ Delorie <dj@redhat.com>
22319 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22320 mova with fb, and for fb+0 -> An.
22322 * config/m32c/mov.md (peephole2): Fix enabling logic.
22324 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22325 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22326 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22327 FINI_ARRAY_SECTION_ASM_OP): Define.
22329 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22331 (m32c_legitimize_reload_address): New logic to reload FB to An.
22332 (m32c_output_reg_push): Add newline.
22333 (m32c_output_reg_pop): Likewise.
22335 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22337 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22339 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22341 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22343 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22345 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22348 2006-01-11 Ben Elliston <bje@au.ibm.com>
22350 * rtlanal.c (find_reg_note): Assert insn is not null.
22352 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22354 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22357 2006-01-11 Jeff Law <law@redhat.com>
22359 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22361 (mark_threaded_blocks, register_jump_thread): New functions.
22362 (thread_through_all_blocks): Remove unwanted argument. No
22363 longer rely on e->aux to communicate thread target info.
22364 Call mark_threaded_blocks. Release the threaded_blocks
22365 bitmap and threaded_edges vector when complete.
22366 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22367 (threaded_blocks): Remove.
22368 (tree_ssa_dominator_optimize): Remove initialization and
22369 finalization of threaded_blocks. Simplify call to
22370 thread_through_all_blocks.
22371 (thread_across_edge): Call register_jump_thread rather than
22372 storing thread information into e->aux.
22373 (free_all_edge_infos): Simplify now that e->aux is no longer
22374 used to communicate with thread_through_all_blocks.
22375 * tree-flow.h (thread_through_all_blocks): Update prototype.
22376 (register_jump_thread): Prototype.
22378 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22380 * df-core.c (df_compact_blocks, df_bb_replace): Use
22381 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22383 2006-01-11 Richard Guenther <rguenther@suse.de>
22385 PR tree-optimization/25734
22386 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22387 stop propagation after successful propagation to the LHS.
22389 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22391 * basic-block.h (control_flow_graph): Change the type of
22392 x_basic_block_info to VEC(basic_block,gc) *.
22393 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22395 (SET_BASIC_BLOCK): New.
22396 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22397 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22398 * cfgbuild.c (find_basic_blocks): Likewise.
22399 * cfglayout.c (fixup_reorder_chain): Likewise.
22400 * cfgrtl.c (create_basic_block_structure,
22401 rtl_create_basic_block): Likewise.
22402 * ifcvt.c (find_if_case_1): Likewise.
22403 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22406 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22408 * Makefile.in: Removed rotted odf.c entry.
22410 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22413 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22414 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22415 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22416 output pattern modifier, not %e.
22417 * config/cris/cris.c (cris_op_str): Update comment about pattern
22419 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22420 before falling through into...
22421 <case 'E'>: Redefined from old 'e' case.
22423 2006-01-11 Jan Hubicka <jh@suse.cz>
22426 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22428 2006-01-11 Jan Hubicka <jh@suse.cz>
22430 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22431 * i386.c (x86_decompose_lea): Kill.
22432 (ix86_rtx_costs): Kill.
22434 2006-01-11 Jan Hubicka <jh@suse.cz>
22436 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22437 * cgraph.h (cgraph_node): Add inline_decl.
22438 (cgraph_insert_node_to_hashtable): Declare.
22439 (save_inline_function_body): Declare.
22440 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22442 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22443 (cgraph_function_versioning): Update call of tree_function_versioning.
22444 (save_inline_function_body): New function.
22445 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22446 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22447 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22448 (cgraph_default_inline_p): Likewise.
22449 (cgraph_decide_inlining_incrementally): Likewise.
22450 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22451 (copy_bb): Kill saving; do updating of clones.
22452 (copy_cfg_body): Kill saving.
22453 (initialize_inlined-parameters): Likewise.
22454 (expand_call_inline): Likewise.
22456 (tree_function_versioning): New parameter "update_clones".
22457 (inlining_p): Kill saving.
22458 * tree-inline.h (tree_function_versioning): Update prototype.
22459 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22462 2006-01-11 Ian Lance Taylor <ian@airs.com>
22464 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22465 Allow undoing set of machine mode.
22466 (do_SUBST): Use enums instead of is_int.
22467 (do_SUBST_MODE): New function.
22468 (SUBST_MODE): New macro.
22469 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22470 reg and trying to replace reg_regno_rtx with a new register.
22471 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22472 (simplify_set): Use SUBST_MODE.
22473 (distribute_notes): Remove code that tried to update reg notes
22474 for regno_reg_rtx changes.
22476 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22478 PR tree-optimization/23109
22479 PR tree-optimization/23948
22480 PR tree-optimization/24123
22482 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22483 * tree-cfg.c (single_noncomplex_succ): New.
22484 * tree-flow.h (single_noncomplex_succ): Declare it.
22485 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22486 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22487 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22488 insert_bb, register_division_in, insert_reciprocals,
22489 replace_reciprocal, free_bb): New.
22490 (execute_cse_reciprocals_1): Rewritten.
22491 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22492 Do not commit any edge insertion. Always compute dominators and
22493 create the allocation pool.
22494 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22495 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22496 * targhooks.c (default_min_divistions_for_recip_mul): New.
22497 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22498 * passes.c (init_optimization_passes): Run recip after tree loop
22500 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22502 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22503 Kenneth Zadeck <zadeck@naturalbridge.com>
22505 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22506 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22507 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22508 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22509 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22510 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22511 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22512 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22513 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22514 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22515 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22516 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22517 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22518 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22519 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22520 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22521 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22522 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22523 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22524 DF_SCAN_POST_ALLOC): New macros.
22525 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22526 df_free_bb_function, df_local_compute_function, df_init_function,
22527 df_dataflow_function, df_confluence_function_0,
22528 df_confluence_function_n, df_transfer_function,
22529 df_finalizer_function, df_free_function, df_dump_problem_function,
22530 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22531 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22532 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22533 df_urec_bb_info, ) New types.
22534 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22536 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22537 df_analyze_simple_change_some_blocks,
22538 df_analyze_simple_change_one_block, df_compact_blocks,
22539 df_bb_replace, df_bb_regno_last_use_find,
22540 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22541 df_insn_regno_def_p, df_find_def, df_find_use,
22542 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22543 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22544 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22545 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22546 debug_df_chain, df_get_dependent_problem, df_chain_create,
22547 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22548 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22549 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22550 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22551 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22552 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22553 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22554 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22555 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22556 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22557 df_reorganize_refs, df_set_state, df_hard_reg_init,
22558 df_read_modify_subreg_p) New public functions.
22559 * df-core.c: The core dataflow solver and glue routines for rtl
22561 (df_init, df_add_problem, df_set_blocks, df_finish,
22562 df_hybrid_search_forward, df_hybrid_search_backward,
22563 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22564 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22565 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22566 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22567 df_reg_defined, df_find_use, df_reg_used, df_dump,
22568 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22569 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22570 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22571 debug_df_useno, reset_df_after_reload): New functions.
22572 * df-scan.c: The scanning fuctions, once in df.c, completely
22573 rewritten so that they now fully model the functionality of
22574 register usage at the backend.
22575 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22576 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22577 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22578 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22579 df_get_artificial_defs, df_get_artificial_uses,
22580 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22581 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22582 df_refs_delete, df_reorganize_refs, df_set_state,
22583 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22584 df_def_record_1, df_defs_record, df_uses_record,
22585 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22586 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22587 df_record_exit_block_uses, df_hard_reg_init): New functions.
22589 * df-problems.c: Seven concrete dataflow problems that use the
22590 scanning in df-scan.c and are solved by the engine in df-core.c.
22591 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22592 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22593 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22594 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22595 df_ru_free_bb_info, df_ru_alloc,
22596 df_ru_bb_local_compute_process_def,
22597 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22598 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22599 df_ru_transfer_function, df_ru_free, df_ru_dump,
22600 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22601 df_rd_free_bb_info, df_rd_alloc,
22602 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22603 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22604 df_rd_transfer_function, df_rd_free, df_rd_dump,
22605 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22606 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22607 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22608 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22609 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22610 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22611 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22612 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22613 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22614 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22615 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22616 df_urec_mark_reg_use_for_earlyclobber,
22617 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22618 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22619 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22620 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22621 df_chain_create_bb_process_use, df_chain_create_bb,
22622 df_chain_finalize, df_chain_free, df_chains_dump,
22623 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22624 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22625 df_reg_lifetime): New functions.
22626 * df.c: Deleted file.
22627 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22628 consistent with new df api.
22629 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22630 rest_of_handle_sms): Ditto.
22631 * web.c (unionfind_union, union_defs, entry_register, web_main):
22633 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22634 invariant_expr_equal_p, find_defs, check_dependencies,
22635 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22636 free_inv_motion_data, move_loop_invariants): Ditto.
22637 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22638 Update dependencies.
22639 (odf.c): Added defective entry that was deleted later in day.
22640 * sched-deps.c (sched_analyze_1): Ditto.
22642 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22644 * tree-ssa-operands.c (get_expr_operands): Record addressable
22645 variables directly. Do not call add_stmt_operands for CONST_DECLs
22647 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22648 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22650 2006-01-11 Ben Elliston <bje@au.ibm.com>
22652 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22653 function returns true in the positive case.
22655 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22658 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22659 for SI, DI, SF and DF modes. Add alternatives to copy between
22660 general and floating point registers to the 32-bit patterns.
22661 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22662 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22663 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22664 generating 64-bit code.
22665 * config/pa/pa.c (output_move_double): Handle copies between general
22666 and floating registers.
22668 2006-01-10 Stuart Hastings <stuart@apple.com>
22670 * config/i386/i386.md (set_got): Update.
22671 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22672 (builtin_setjmp_receiver): Mach-O support.
22673 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22674 (GOT_SYMBOL_NAME): Define.
22675 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22676 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22677 * config/i386/i386.c (override_options): Revise for Darwin.
22678 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22679 support. (darwin_x86_file_end): New. (output_set_got): Add label
22680 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22681 * config/i386/i386-protos.h (output_set_got): Likewise.
22682 * config/darwin.c (machopic_legitimize_pic_address): Update
22685 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22687 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22688 when MODE isn't BLKmode.
22690 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22692 PR rtl-optimization/25367
22693 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22695 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22698 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22699 for a negative bound.
22701 2006-01-10 Richard Guenther <rguenther@suse.de>
22703 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22704 Never override with anything constraint.
22706 2006-01-10 Jan Beulich <jbeulich@novell.com>
22708 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22709 256 bits when optimize_size.
22711 2006-01-10 Jan Beulich <jbeulich@novell.com>
22713 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22715 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22716 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22719 2006-01-10 Ben Elliston <bje@au.ibm.com>
22721 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22723 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22724 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22725 (USE_FP_FOR_ARG): Reject decimal float modes.
22726 (function_arg_advance): Likewise.
22727 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22728 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22729 point types in AltiVec vectors.
22730 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22731 (rs6000_libcall_value): Likewise.
22733 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22735 * config/xtensa/ieee754-df.S: New file.
22736 * config/xtensa/ieee754-sf.S: New file.
22737 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22738 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22739 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22741 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22743 * config/sh/predicates.md (binary_float_operator,
22744 binary_logical_operator, commutative_float_operator,
22745 equality_comparison_operator, greater_comparison_operator,
22746 less_comparison_operator, logical_operator,
22747 noncommutative_float_operator, shift_operator,
22748 symbol_ref_operand, unary_float_operator): Remove redundant
22751 2006-01-09 Jeff Law <law@redhat.com>
22753 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22754 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22755 now unused arguments. Callers updated.
22756 (eliminate_redundant_computations): Remove now unused arguments,
22758 (local_fold): Remove, no longer used.
22759 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22761 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22762 (simplify_cond): New function.
22763 (forward_propagate_into_cond): Call simplify_cond.
22765 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22767 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22768 (*vec_extractv2di_1_sse): New.
22770 2006-01-09 Ben Elliston <bje@au.ibm.com>
22772 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22774 2006-01-08 Richard Guenther <rguenther@suse.de>
22776 * tree-ssa-structalias.c (get_constraint_for): Remove
22777 anyoffset argument.
22778 (get_constraint_for_component_ref): Likewise.
22779 (do_deref): Likewise.
22780 (get_constraint_for): Likewise.
22781 (do_structure_copy): Likewise.
22782 (handle_ptr_arith): Likewise.
22783 (find_func_aliases): Likewise. Remove unused need_anyoffset
22786 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22787 Kaz Kojima <kkojima@gcc.gnu.org>
22789 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22790 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22791 (EXTRA_CONSTRAINT_C16): Remove.
22792 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22793 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22794 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22795 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22796 constants of SHmedia. Handle nested constant expressions of
22798 (andcosts): Fix the costs for SHmedia constants.
22799 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22800 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22801 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22802 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22803 (movv4hi_i, movv2si_i): Likewise.
22804 (movsi_const): Adjust the second operand of ior so to match with
22805 the Csu constraint.
22806 (movdi_const, movdi_const_32bit): Likewise.
22807 (movdi_const_16bit+1): Don't sign-extend LOW.
22808 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22810 (*double_shori): Fix the split condition. Use GEN_INT instead
22811 of get_int_mode calls. Mask lower 16-bit of the argument of
22813 (sym2GOTPLT): Remove.
22814 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22816 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22817 instead of EXTRA_CONSTRAINT_C16.
22819 2006-01-07 Ian Lance Taylor <ian@airs.com>
22820 David Edelsohn <edelsohn@gnu.org>
22822 PR rtl-optimization/25662
22823 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22824 for constant operands instead of simplify_gen_binary.
22825 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22826 after trying simplify_binary_operation
22828 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22830 * tree.c (iterative_hash_expr): Hash decls based on UID.
22832 2006-01-06 Eric Christopher <echristo@apple.com>
22834 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22835 (TARGET_UNWIND_EMIT): Fix spelling.
22836 * target.h (gcc_target): Add except_table_label.
22837 * except.c (output_function_exception_table): Use.
22838 * varasm.c (default_emit_except_table_label): New.
22839 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22841 (asm_out): Add here.
22842 * output.h (default_emit_except_table_label): Prototype.
22843 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22844 * config/darwin.c (darwin_emit_except_table_label): Define.
22845 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22847 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22849 PR tree-optimization/18527
22850 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22851 number_of_iterations_special, number_of_iterations_exit):
22852 Move base and step of an iv to a single structure. Add
22853 no_overflow flag, and use it in # of iterations analysis.
22854 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22855 folded_casts argument.
22856 (simple_iv): Pass base and step in a structure. Set no_overflow
22858 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22859 Evaluate expensiveness of computing # of iterations instead of
22860 the final expression.
22861 * tree-scalar-evolution.h (affine_iv): New structure.
22862 (simple_iv): Declaration changed.
22863 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22864 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22865 find_givs_in_stmt): Changed due to simple_iv change.
22867 2006-01-06 Jeff Law <law@redhat.com>
22870 * tree-cfg.c (bsi_replace): Rename final argument from
22871 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22872 change (stmt -> orig_stmt).
22873 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22874 (bsi_remove): Add new argument. Remove EH information
22876 (verify_eh_throw_table_statements): New function.
22877 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22879 * tree-optimize.c (execute_free_cfg_annotations): Verify
22880 the EH throw statement table after removing annotations.
22881 * except.h (verify_eh_throw_table_statements): Prototype.
22882 * tree-flow.h (bsi_remove): Update prototype.
22883 * tree-vrp.c (remove_range_assertions): Add new argument to
22885 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22886 * tree-complex.c (expand_complex_div_wide): Likewise.
22887 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22888 * tree-tailcall.c (eliminate_tailcall): Likewise.
22889 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22890 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22891 * tree-nrv.c (tree_nrv): Likewise.
22892 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22893 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22894 (combine_blocks): Likewise.
22895 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22896 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22897 (cleanup_control_flow): Likewise.
22898 (remove_forwarder_block): Likewise.
22899 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22900 * tree-sra.c (sra_replace): Likewise.
22901 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22902 (forward_propagate_single_use_vars): Likewise.
22903 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22904 * tree-inline.c (expand_call_inline): Likewise.
22905 * tree-vect-transform.c (vect_transform_loop): Likewise.
22906 * tree-outof-ssa.c (rewrite_trees): Likewise.
22907 * tree-cfg.c (make_goto_expr_edges): Likewise.
22908 (cleanup_dead_labels): Likewise.
22909 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22910 (bsi_move_before, bsi_move_after): Likewise.
22911 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22912 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22914 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22917 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22919 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22920 on non gimple variables. Also add checks at the top for decls and
22922 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22924 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22925 and IMAGPART_EXPR for creating MUST_DEFs.
22926 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22927 and NAME_MEMORY_TAG separately from the DECLs.
22929 2006-01-06 Richard Guenther <rguenther@suse.de>
22931 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22932 annotation, if necessary.
22933 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22934 redundant calls to update_stmt.
22935 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22938 2006-01-05 Richard Henderson <rth@redhat.com>
22940 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22942 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22944 * c-typeck.c: Update copyright date.
22946 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22948 * c-typeck.c (build_c_cast): Always warn when casting
22949 from a pointer to an integer of different size, even if
22950 the node was constant.
22952 2006-01-05 Richard Guenther <rguenther@suse.de>
22954 PR tree-optimization/22555
22955 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22956 if one structure field is an array.
22957 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22958 operands even if we found a subvar, but ignore VOPs in this
22960 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22962 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22964 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22966 PR middle-end/24998
22967 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22969 2006-01-05 Richard Guenther <rguenther@suse.de>
22970 Diego Novillo <dnovillo@redhat.com>
22972 * tree-pass.h (TODO_remove_unused_locals): Define.
22973 * gimple-low.c (expand_var_p, remove_useless_vars,
22974 pass_remove_useless_vars): Remove. Update all users.
22975 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22976 (remove_unused_locals): New function.
22977 * tree-flow.h (remove_unused_locals): Declare.
22978 * passes.c (execute_todo): Call remove_unused_locals if
22979 TODO_remove_unused_locals is set.
22980 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22981 * tree-ssa-dce.c (pass_dce): Likewise.
22982 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22984 2006-01-05 Richard Guenther <rguenther@suse.de>
22986 * tree-flow.h (struct fieldoff): Decompose field to
22987 type, size and decl.
22988 * tree-ssa-alias.c (create_sft): Take type as parameter.
22989 (create_overlap_variables_for): Store type, size and decl
22990 in the fieldoff structure.
22991 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22992 of struct fieldoff.
22993 (push_fields_onto_fieldstack): Likewise.
22994 (create_variable_info_for): Likewise. Use offset for the
22995 SFT name if the decl is not available.
22997 2006-01-04 Paul Brook <paul@codesourcery.com>
22999 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23001 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23003 * lambda-code.c (can_put_in_inner_loop): Relax
23005 (can_put_after_inner_loop): New function.
23006 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23007 (perfect_nestify): Change to make copies and modify uses.
23009 2006-01-04 Richard Henderson <rth@redhat.com>
23011 Merge from gomp branch:
23012 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23013 via integer constant.
23014 (pragma_lex): Remove.
23015 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23016 rather than parsing it.
23017 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23018 handle_pragma_extern_prefix): Add %< %> quotes.
23019 (registered_pragmas): New.
23020 (c_register_pragma_1): New.
23021 (c_register_pragma): Use it.
23022 (c_register_pragma_with_expansion): Likewise.
23023 (c_invoke_pragma_handler): New.
23024 (init_pragma): Use cpp_register_deferred_pragma directly for
23026 * c-pragma.h (enum pragma_kind): New.
23027 (pragma_handler): New.
23028 (c_invoke_pragma_handler): Declare.
23029 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23031 * c-common.h (c_common_pch_pragma): Update decl.
23032 * Makefile.in (c-parser.o): Update dependencies.
23033 (GTFILES): Add c-pragma.h.
23034 * c-parser.c (struct c_token): Add pragma_kind.
23035 (struct c_parser): Add in_pragma.
23036 (c_lex_one_token): Always initialize keyword and pragma_kind.
23037 Extract data for CPP_PRAGMA.
23038 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23039 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23040 Don't allow CPP_PRAGMA_EOL if in_pragma.
23041 (c_parser_consume_pragma): New.
23042 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23043 (c_parser_skip_to_end_of_parameter): Likewise.
23044 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23045 (c_parser_skip_to_pragma_eol): New.
23046 (c_parser_external_declaration): Handle CPP_PRAGMA.
23047 (c_parser_compound_statement_nostart): Likewise.
23048 (c_parser_statement_after_labels): Likewise.
23049 (c_parser_pragma): New.
23050 (pragma_lex): Likewise.
23051 (c_parser_pragma_pch_preprocess): New.
23052 (c_parser_new): Merge into ...
23053 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23055 2006-01-04 Jeff Law <law@redhat.com>
23058 * tree-cfg.c (bsi_replace): Remove the original statement
23059 from the EH throw statement table.
23061 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23063 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23064 make the prototype extern "C" and add throw ().
23067 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23068 and pos non-negative and pos + len <= 32.
23069 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23070 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23071 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23074 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23075 as well as sizes not multiple of component size.
23078 * function.c (instantiate_expr): New function.
23079 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23080 walk its DECL_VALUE_EXPR with instantiate_expr.
23082 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23083 DW_OP_deref{,_size} if address isn't going to be added.
23085 2006-01-04 Ben Elliston <bje@au.ibm.com>
23087 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23088 * config/fp-bit.c: Likewise.
23090 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23092 * dominance.c: Add comment about why we use DFS numbering
23095 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23096 Richard Henderson <rth@redhat.com>
23098 Merge from gomp-branch:
23099 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23100 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23102 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23104 PR rtl-optimization/25578
23105 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23106 pass a parameter to simplify_shift_const if changing ASHIFTRT
23109 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23111 * builtins.c (get_builtin_sync_mem): New function.
23112 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23113 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23114 Call get_builtin_sync_mem to generate mem rtx.
23116 2006-01-03 Richard Guenther <rguenther@suse.de>
23119 * stmt.c (add_case_node): Make sure to clear overflow flags
23122 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23124 Merge from gomp-branch.
23125 * config/sparc/sync.md: New file.
23126 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23127 UNSPECV_LDSTUB): New constants.
23128 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23129 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23130 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23133 2006-01-03 Roger Sayle <roger@eyesopen.com>
23135 * combine.c (reg_subword_p): New predicate to test whether the
23136 destination of a set refers to a subword/piece of a register.
23137 (try_combine): Generalize the code to merge the setting of a
23138 pseudo to a constant followed by a set of a subword of that
23139 register to a constant.
23141 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23143 * basic-block.h (control_flow_graph): Change the type of
23144 x_label_to_block_map to VEC(basic_block,gc) *.
23145 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23146 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23148 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23149 VEC(basic_block,heap) *.
23150 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23151 ssa_prop_fini): Adjust the uses of cfg_blocks.
23153 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23155 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23157 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23158 hashing trees instead of a pointer hash.
23159 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23160 compare for MEM_EXPR.
23162 PR rtl-optimization/25130
23163 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23164 when comparing MEMs for GCSE
23166 2006-01-03 Ben Elliston <bje@au.ibm.com>
23168 * targhooks.h (default_decimal_float_supported_p): Declare.
23169 * targhooks.c (default_decimal_float_supported_p): Define.
23170 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23171 `default_decimal_float_supported_p'.
23172 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23174 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23176 * combine.c (apply_distributive_law <SUBREG>): Check
23177 TRULY_NOOP_TRUNCATION.
23179 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23181 * dwarf2out.c (have_switched_text_section): Delete.
23182 (have_multiple_function_sections): New.
23183 (have_location_lists): Make 'bool'.
23184 (add_AT_loc_list): Use 'true' not '1'.
23185 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23186 (output_loc_list): Use have_multiple_function_sections.
23187 (output_ranges): Likewise.
23188 (dwarf2out_begin_function): Set have_multiple_function_sections if
23190 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23191 Check function_section rather than DECL_SECTION_NAME.
23192 (dwarf2out_finish): Use have_multiple_function_sections.
23193 Don't clear have_location_lists.
23195 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23196 Jan Hubicka <jh@suse.cz>
23198 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23199 case of conditional jump jumping to the next instruction.
23200 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23201 cases of conditional jump jumping to the next instruction.
23203 2006-01-02 Jan Hubicka <jh@suse.cz>
23205 * i386.c (*_cost): Add COSTS_N_INSNS.
23206 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23208 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23211 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23213 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23215 * config/arm/arm.c (all_fpus): Fix comment typo.
23216 * config/darwin.c: Likewise.
23217 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23218 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23219 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23221 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23223 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23224 (rs6000_split_compare_and_swapqhi): New.
23225 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23226 (sync_compare_and_swapqhi_internal): New.
23227 * config/rs6000/rs6000-protos.h: Declare.