2006-12-19 Paolo Bonzini <bonzini@gnu.org>
[official-gcc.git] / gcc / ChangeLog
blobdbaffdb3cd447fb7662796c79391ef241249803f
1 2006-12-19  Paolo Bonzini  <bonzini@gnu.org>
3         PR bootstrap/29544
4         * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
5         (STAGE1_CHECKING_CFLAGS): ... this.
7 2006-12-18  Andrew Pinski  <pinskia@gmail.com>
9         PR target/29779
10         * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
11         READONLY on __builtin_altivec_mask_for_load instead of adding
12         the attribute.
14 2006-12-18  Roger Sayle  <roger@eyesopen.com>
15             Eric Christopher  <echristo@apple.com>
17         PR target/29302
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
44         works for C++.
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>
105         PR libstdc++/11953
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
115         the CFG.
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
126         from here...
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
143         first pass
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
156         after use.
158 2006-12-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
160         PR middle-end/7651
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.
167         
168 2006-12-15  Jakub Jelinek  <jakub@redhat.com>
170         PR target/30185
171         * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
172         force_reg call.
174 2006-12-15  Andrew Pinski  <pinski@gmail.com>
176         PR tree-opt/30140
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
187         to proper place.
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>
199         PR middle-end/30172
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 
215         only.   
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>
224         PR c++/19564
225         PR c++/19756
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
231         description.
233 2006-12-13  Zdenek Dvorak <dvorakz@suse.cz>
235         * tree-ssa-loop-ivopts.c: Include tree-affine.h.
236         (divide): Removed.
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
244         coefficients.
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
256         dependency.
258 2006-12-13  Peter Bergner  <bergner@vnet.ibm.com>
260         PR middle-end/30191
261         Revert:
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
265         reload_in_progress.
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):
278         Remove "dir" entry.
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
295         function to...
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
301         word.
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
305         than "save".
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
310         FSTMX and FLDMX.
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
315         VFP.
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):
320         Declare.
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>
330         PR 30089
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.
371         * function.h
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
389         flatten.
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
415         define.
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_*
421         temp variables.
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):
429         Declare.
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.
442         * gcc.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>
472         PR tree-opt/28624
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>
478         PR tree-opt/28436
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
482         using BIT_FIELD_REF.
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
487         vector types.
488         * tree-flow-inline.h (var_can_have_subvars): Use the renamed
489         DECL_GIMPLE_REG_P.
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
502         vector types.
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
509         DECL_GIMPLE_REG_P.
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
525         reload_in_progress.
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>
534         
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>
541         PR libstdc++/11953
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>
565         PR middle-end/30147
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.
578         
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>
592         PR middle-end/17982
593         PR middle-end/20218
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
648         to 'tree'.
649         Use BLOCK_DEFS_STACK directly.
650         If pushing a non-register, also push the underlying
651         symbol.
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
657         instead.
658         (rewrite_blocks): Move code to free memory to
659         fini_ssa_renamer.
660         (mark_def_site_blocks): Move initialization code to
661         init_ssa_renamer.
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
667         operands separately.
668         (dump_update_ssa): Call dump_decl_set.
669         (init_update_ssa): Initialize regs_to_rename and
670         mem_syms_to_rename.
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.
688         (dump_symbols): New.
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
718         users.
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
729         needed.
730         (dump_mp_info): New.
731         (debug_mp_info): New.
732         (sort_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
742         num_referenced_vars.
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
757         versions in it.
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
790         arguments.
792         * tree-ssa-operands.c (stmt_references_memory_p): Move from
793         tree-ssa.c.
794         (get_mpt_for): New.
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
801         pointer-set.h
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
809         users.
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.
818         Update all users.
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
840         the whole.
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.
863         <use_ptr>: Remove.
864         <usev>: Add.
865         (struct vuse_optype_d) <kill_var>: Remove.
866         <use_ptr>: Remove.
867         <usev>: Add.
868         (struct mustdef_optype_d) <kill_var>: Remove.
869         <use_ptr>: Remove.
870         <usev>: Add.
871         (VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
872         (VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
873         (VUSE_NUM): Define.
874         (VUSE_VECT): Define.
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.
886         <mayuse_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
891         operators.
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.
898         Update all users.
899         (alloc_def): New.
900         (alloc_use): New.
901         (alloc_maydef): New.
902         (alloc_vuse): New.
903         (alloc_mustdef): New.
904         (realloc_maydef): New.
905         (realloc_vuse): 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
936         SSA_OP_ALL_KILLS.
938         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
939         SSA_OP_ALL_KILLS.
940         (check_loop_closed_ssa_stmt): Same.
942         * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
943         (verify_use): Same.
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
948         SSA_OP_VMAYDEF.
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
953         references.
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
991         and mustkills.
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
1001         SSA_OP_VMAYDEF.
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}
1021         code.
1023         * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1024         SSA_OP_VMAYUSE.
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
1030         SSA_OP_VMUSTDEF.
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
1036         scalar.
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
1061         operands.
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
1073         the PHI node.
1074         Update all users.
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):
1095         Declare.
1096         * builtins.c (validate_arglist, builtin_memset_read_str,
1097         get_pointer_alignment): Export.
1099 2006-12-11  Uros Bizjak  <ubizjak@gmail.com>
1101         PR target/30120
1102         Revert:
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
1118         point registers.
1119         (init_cumulative_args): Initialize x87_nregs and float_in_x87
1120         variables.
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
1147         dump_varpool_node.
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):
1169         Rename to ...
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
1219         listed above.
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
1236         removed.
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
1244         field.
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):
1278         Moved to ...
1279         * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1280         ... here.
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,
1288         and FOR_EACH_LOOP.
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
1371         abnormal edge.
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 
1402         fields.
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 
1413         tree-ssa-coalesce.c
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
1420         BB field.
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
1466         spu_split_address.
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
1476         CONST_VECTOR.
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
1482         instructions.
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
1486         instructions.
1487         (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1488         when possible.
1490 2006-12-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1492         PR target/30039
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>
1505         PR target/30120
1506         * reg-stack.c (convert_regs_entry): Mark current argument passing
1507         registers as live.
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
1535         no-op.
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
1538         no-op.
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
1564         prototypes.
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
1571         each partition.
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
1585         check_replaceable.
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
1603         SET.
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
1613         non scalar.
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
1634         negative base.
1636 2006-12-07  Jan Hubicka  <jh@suse.cz>
1638         * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1639         codegen.
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
1661         default definition.
1662         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1663         definition.
1664         * toplev.c (print_single_switch): Simplify by providing a
1665         pointer to function that will format and output the switch
1666         appropriately.
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
1677         target hook.
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>
1683         PR target/29794
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>
1693         PR/30079
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
1701         operand_less_p.
1703 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1705         * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1706         (type): Remove cld.
1707         (length_immediate): Do not depend on cld type attribute.
1708         (length_address): Ditto.
1709         (modrm): Ditto.
1710         (memory): 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.
1720         (rep_mov): 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.
1734         (rep_stos): 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
1754         type attribute.
1755         * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1756         * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1757         attribute.
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
1769         old ones.
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
1792         accounting.
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
1822         DARWIN_EXTRA_SPECS.
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
1848         stuff.
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
1866         GIMPLE_MODIFY_STMT.
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
1885         GIMPLE_MODIFY_STMT.
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
1915         GENERIC_TREE_TYPE.
1916         * tree-complex.c: Same.
1917         * tree-pretty-print.c: Same.
1918         * tree.c: Same.
1919         * tree.h: Same.
1920         * builtins.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.
1928         * gimplify.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.
1933         * stmt.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.
1959         (fold): Same.
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
1983         accordingly.
1985         2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
1987         * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1988         enable checking.
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
1992         patrol.
1994         2006-10-05  Aldy Hernandez  <aldyh@redhat.com>
1996         * tree-complex.c (expand_complex_libcall): Adjust for
1997         GIMPLE_MODIFY_STMT.
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
2002         GIMPLE_MODIFY_STMT.
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
2018         GIMPLE_MODIFY_STMT.
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
2072         stmt.
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
2080         GIMPLE_STMT_P.
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):
2098         Use TREE_OPERAND.
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.
2116         (expr_locus): 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
2130         to tree_base.
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
2136         to 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.
2166         (stmt_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
2185         GIMPLE_MODIFY_STMT.
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
2207         tree structure.
2208         * tree-ssa-loop-im.c (movement_possibility): Change uses of
2209         MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2210         (stmt_cost): Same.
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.
2225         (op_prio): 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
2246         tcc_gimple_stmt.
2247         (build2_gimple_stat): New.
2248         (expr_location): New.
2249         (set_expr_location): New.
2250         (expr_has_location): New.
2251         (expr_locus): New.
2252         (set_expr_locus): New.
2253         (expr_filename): New.
2254         (expr_lineno): New.
2255         (walk_tree): Handle tcc_gimple_stmt.
2256         (tree_block): New.
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
2311         TREE_CHAIN.
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.
2327         (fold_unary): 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.
2381         (set_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
2431         GIMPLE_MODIFY_STMT.
2432         * tree-flow-inline.h (var_ann): Same.
2433         (function_ann): Same.
2434         (stmt_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.
2462         (eliminate): Same.
2463         (init_pre): 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
2468         GIMPLE_MODIFY_STMT.
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
2483         GIMPLE_MODIFY_STMT.
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
2499         GIMPLE_MODIFY_STMT.
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.
2505         (walk_stmts): 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.
2553         (make_edges): 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
2601         sqrt.
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
2611         really_expand.
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):
2625         New functions.
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 '%!'.
2657         (mnop): New insn.
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
2688         set_used_smts.
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
2721         Handle includes.
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
2728         vars anymore.
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
2734         initialization.
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>
2779         PR libgomp/29947
2780         * omp-low.c (expand_omp_for_static_nochunk,
2781         expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2782         unsigned type.
2784         PR middle-end/29965
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
2788         built.
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.
2793         (expand_omp_synch):
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>
2814         PR target/24598
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>
2828         PR target/30041
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>
2834         PR target/30040
2835         * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2836         (bit_SSSE3): New.
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)
2844         coretypes.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>
2853         PR c/27953
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
2863         strategy.
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.
2894         (addv16qi3): New.
2895         (subv16qi3): New.
2896         (negv16qi2): New.
2897         (mulv8hi3): New.
2898         (mulsi3): Remove.
2899         (mul<mode>3): New.
2900         (_mulv4si3): 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>
2924         PR c++/30021
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
2948         ref_count vector.
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
2957         attribute.
2959 2006-12-01  Richard Guenther  <rguenther@suse.de>
2961         PR c++/29433
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>
3000         PR target/24036
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
3009         units.
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
3015         containing doubles.
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>
3050         PR middle-end/30028
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>
3122         PR target/29852
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>
3157         PR target/29945
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
3239         instead.
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>
3259         PR tree-opt/29984
3260         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3261         and MIN_EXRP.
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
3330         private accessors.
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
3385         size.
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
3407         and m_GENERIC64.
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>
3432         PR target/29319
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
3452         for memset.
3453         * config/i386/i386.opt (minline-stringops-dynamically,
3454         mstringop-strategy): New
3455         parameters.
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
3497         note.
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
3501         NOTE_FUNCTION_END.
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
3507         target hook.
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
3516         vectorizable_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>
3524         PR middle-end/25620
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
3537         the stmt creation.
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
3541         void_type_node.
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
3547         void_type_node.
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
3551         void_type_node.
3552         (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3553         creation.
3555 2006-11-27  Uros Bizjak  <ubizjak@gmail.com>
3557         Revert:
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
3565         pure constant load.
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
3573         --with-gmp-lib.
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
3595         of an int.
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
3600         record_jump_equiv.
3601         (cse_basic_block): Check any_condjump_p before calling
3602         record_jump_equiv.
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
3631         visible.
3632         * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3633         in cfglayout mode.
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
3640         arguments.
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):
3656         Ditto.
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):
3695         Ditto.
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>
3745         PR c/29955
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.
3752         PR c/29736
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>
3758         PR tree-opt/29964
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
3763         analysis pass.
3765 2006-11-24  Joseph Myers  <joseph@codesourcery.com>
3767         * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3768         MASK_STRICT_ALIGN.
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
3772         POWERPC_MASKS.
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>
3786         PR c/2707
3787         PR c++/26167
3788         * c-common.c (conversion_warning): New.
3789         (convert_and_check): Call conversion_warning unless there is an
3790         overflow warning.
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>
3807         PR c/9072
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
3830         combination.
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
3841         size.
3842         (mips_class_max_nregs): Handle float registers case seperately.
3843         * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3844         UNSPEC_MTHC1.
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.
3883         (scc_visit): 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
3897         SPU_RdEventMask.
3898         * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3900         * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3901         of size bitfield.
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
3923         memory load.
3924         (mov_si<mode>_e500_subreg0_2): New.
3925         (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4.  Add
3926         memory load.
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
3931         if TARGET_SPE.
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>
3938         Revert
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
3953         insn reservations.
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
3963         codes.
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
3970         new optabs.
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
3976         comment.
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
3988         interleaving.
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
3992         interleaving data.
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
4001         functions.
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
4009         interleaving.
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
4040         functions.
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):
4049         Ditto.
4050         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4051         Ditto.
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):
4057         Ditto.
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
4071         accessor function.
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
4095         Xtensa constraints.
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
4126         -mstack-check-l1.
4127         (add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
4128         dead code.
4130         * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4131         regs for DImode.
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
4181         of the loop.
4182         * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4183         Removed.
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
4198         edge vectors.
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>
4213         PR tree-opt/25500
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>
4224         PR target/18553
4225         PR target/29449
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
4239         gcc_exec_prefix.
4240         (cpp_relocated): New function.
4241         * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4242         and cpp_relocated.
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
4252         expand_mvoe.
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
4258         functions.
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>
4282         PR rtl-opt/29879
4283         * fwprop.c (loops): Remove.
4284         (forward_propagate_into): Use current_loops instead of
4285         loops.
4286         (fwprop_init): Call loop_optimizer_init instead of
4287         flow_loops_find.
4288         (fwprop_done): Call loop_optimizer_finalize instead of
4289         flow_loops_free.
4290         (fwprop): Use current_loops instead of loops.
4292 2006-11-19  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4294         PR c++/8586
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>
4299         PR target/29114
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>
4305         PR fortran/27885
4306         PR middle-end/28176
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
4331         macros.
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
4369         TARGET_NO_LWSYNC.
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.
4386         (*addx): New.
4387         (*subx2, *subx4, *subx8): Delete.
4388         (*subx): New.
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
4425         instead.
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
4445         are available.
4446         (redirect_edge_and_branch_force, split_block, delete_basic_block,
4447         split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4448         Update cfg.
4449         * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4450         no loops.
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
4456         current_loops.
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
4463         loop.
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
4467         estimate_loops.
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
4485         explicitly.
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
4507         changed.
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
4513         formating.
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>
4524         PR middle-end/29584
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
4550         of XNEW and memset.
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>
4565         PR middle-end/26306
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
4575         memory operand.
4577 2006-11-16  Richard Earnshaw  <rearnsha@arm.com>
4579         * arm.md (abssi2): Allow Thumb as well.  Use an SImode scratch for
4580         Thumb.
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>
4594         PR target/29201
4595         * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4596         bb to ...
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>
4603         PR middle-end/29862
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>
4620         PR tree-opt/29788
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
4639         point registers.
4640         (init_cumulative_args): Initialize x87_nregs and float_in_x87
4641         variables.
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>
4687         PR middle-end/29753
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,
4695         try a cstore 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
4708         this type.
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
4732         debugnames.
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
4782         COND_EXPR.
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
4803         test.
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
4810         variable.
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
4822         instructions.
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
4826         instructions.
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.
4834         Include cell.md
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
4839         style versions.
4840         * configure: Rebuilt.
4842 2006-11-13  Richard Guenther  <rguenther@suse.de>
4844         * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4845         return value.
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
4890         PR 14784.
4892 2006-11-12  Jason Merrill  <jason@redhat.com>
4893             Andrew Pinski <pinskia@physics.uc.edu>
4895         PR middle-end/28915
4896         * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4897         vector ctors.
4898         * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4899         vector ctors.
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
4952         vectorize_loops.
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
4961         comments.
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
4979         functions.
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
5000         value.
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
5008         fields.
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):
5029         Removed.
5030         * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5031         Removed.
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):
5042         Removed.
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)
5051         as ((X^Y)&C) op 0.
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>
5084         PR rtl-opt/28812
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
5087         aliasing set.
5089 2006-11-12  Jie Zhang  <jie.zhang@analog.com>
5091         Revert
5092         2006-11-11  Jie Zhang  <jie.zhang@analog.com>
5093         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5094         and __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__
5102         and __BFIN__.
5104 2006-11-11  Jan Hubicka  <jh@suse.cz>
5106         * extend.texi (__builtin_expect): We no longer require second argument
5107         to be constant.
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):
5146         Likewise.
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
5153         call.
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>
5195         PR middle-end/27528
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
5232         in REG_EQUIV notes.
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
5237         duplicates.
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>
5246         PR target/29777
5247         * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5248         to define_expand.
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>
5255         PR middle-end/29335
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>
5261         PR bootstrap/26892
5262         PR bootstrap/27814
5263         PR other/28994
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>
5282         PR middle-end/29726
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
5302         VARYING.
5303         (get_value): Always use get_default_value on uninitialized
5304         operands.
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
5313         handle UNKNOWN_VAL.
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):
5350         Add implementation.
5351         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5352         mode.
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
5357         tree-codes.
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
5369         optab indices.
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
5406         vect_relevant.
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
5442         mode.
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
5446         VEC_PACK_SAT_EXPR.
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):
5456         New optab indices.
5457         (vec_pack_mod_optab, vec_pack_ssat_optab,  vec_pack_usat_optab): New
5458         optabs.
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
5475         datatypes.
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
5481         datatypes.
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
5491         vector stmts.
5492         (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5493         argument.
5494         (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5495         VF is greater than the number of elements that can fit in one vector
5496         word.
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.
5516         (bswapdi2): Ditto.
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>
5528         PR other/25028
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
5535         prototype.
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
5548         details...
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
5564         calculations.
5566 2006-11-07  Jie Zhang  <jie.zhang@analog.com>
5568         * gcc.c (process_command): Treat -b as normal switch if its argument
5569         has no dash.
5571 2006-11-07  David Ung  <davidu@mips.com>
5573         * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5574         list.
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>
5590         PR tree-opt/29439
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
5627         set inhibit_libc.
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
5639         #if !__SHMEDIA__ .
5641 2006-11-05  Jakub Jelinek  <jakub@redhat.com>
5643         PR middle-end/29695
5644         * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5645         simplification.
5647 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
5649         PR target/26915
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
5655         by negation.
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
5675         parameter.
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
5683         table_size.
5684         (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5685         simplification loop more straightforward by not calling fold_rtx
5686         recursively.
5687         (equiv_constant): Move here a small part of fold_rtx_subreg,
5688         do not call fold_rtx.  Call avoid_constant_pool_reference
5689         to process MEMs.
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
5712         used in GCC.
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:
5773         New files.
5774           * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5775           -m4-340.
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.
5785           Update type.
5786           (movsi_ie, movsi_i_lowpart): Likewise.
5787           (movqi_i): Split ri alternative into two separate alternatives.
5788           Update type.
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
5828         constraints.
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):
5840         Define as 0.
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>
5854         PR target/27405
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
5861         SImode.
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
5867         SImode.
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
5876         instructions.
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
5883         priority.
5884         * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5886 2006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
5888         PR other/29639
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>
5895         PR middle-end/29335
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
5981         conditions.
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>
5993         PR bootstrap/28400
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
6013         signed zeros.
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"
6021         to "GNU C89".
6023 2006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
6025         * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6026         hook.
6027         * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6028         default.
6029         * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6030         Override default.
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>
6044         PR 23067
6045         * c-decl.c (start_struct): Don't create self-containing
6046         structures.
6047         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6048         New.
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.
6065         (bswapdi2): Ditto.
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
6074         TI_UINT64_TYPE.
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
6084         for bswap.
6085         * builtin-types.def (BT_UINT32): New.
6086         (BT_UINT64): Ditto.
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
6099         0 for BSWAP.
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
6118         handling for 'F'.
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
6131         in one step.
6133 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
6135         PR 15834
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.
6143         PR 16622
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'
6153         semantics.
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
6157         DECL_EXTERNAL.
6158         (c_push_function_context): Don't push current_extern_inline.
6159         (c_pop_function_context): Don't restore current_extern_inline.
6161         PR 11377
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>
6169         PR middle-end/23470
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>
6177         PR target/24071
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
6191         !optimize_size.
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>
6206         PR middle-end/29335
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
6213         a PARALLEL insn.
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
6261         tree-flow-inline.h.
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.
6274         Add visited member.
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.
6280         (set_new): Ditto.
6281         (set_copy): Ditto.
6282         (set_remove): Ditto.
6283         (set_contains_value): Ditto.
6284         (insert_into_set): Ditto.
6285         (set_equal): 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.
6307         (clean): Ditto.
6308         (compute_antic_aux): Ditto.  Mark changed blocks.
6309         (compute_antic): Ditto. Iterate in postorder and only over
6310         changing blocks.
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,
6337         add fabs.
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
6355         ISA_HAS_MUL3.
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
6377         is a constant.
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
6419         math.
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
6455         lceil inline.
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):
6461         Likewise.
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
6482         comment typos.
6484 2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6486         PR middle-end/29335
6487         * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6488         (fold_builtin_pow): Evaluate constant arguments at compile-time
6489         using MPFR.
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>
6497         PR tree-opt/29271
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
6505         to match comment.
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>
6541         PR middle-end/26899
6542         * fold-const.c (maybe_canonicalize_comparison_1): Helper
6543         for maybe_canonicalize_comparison.
6544         (maybe_canonicalize_comparison): New function for canonicalizing
6545         comparison trees.
6546         (fold_comparison): Call it to canonicalize comparisons with
6547         constants involved.
6549 2006-10-28  Richard Guenther  <rguenther@suse.de>
6551         PR target/28806
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
6561         static function.
6562         (ix86_expand_lround): New function.
6563         * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6564         New expanders.
6565         * doc/md.texi (lroundMN2): Document.
6567 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6569         PR target/29377
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
6602         the macro values.
6603         (TARGET_CPU_DEFAULT_NAMES): Add geode.
6604         (processor_type): Add PROCESSOR_GEODE.
6606         * config/i386/i386.md: Include geode.md.
6607         (cpu): Add geode.
6609         * config/i386/i386.c (geode_cost): New initialized global
6610         variable.
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
6654         frame_size.
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>
6668         PR middle-end/29335
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>
6692         PR target/28803
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>
6716         PR target/28909
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>
6767         PR middle-end/29519
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):
6785         Add fpcr entry.
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>
6800         PR middle-end/29335
6801         * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6802         (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6803         Update all callers.
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>
6811         PR middle-end/28796
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>
6832         PR middle-end/29335
6833         * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6834         at compile-time using MPFR.  Change parameter VALUE to FUNC,
6835         update all callers.
6836         (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
6837         for overflow and underflow at all times and avoid folding in
6838         those cases.
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>
6855         PR middle-end/29335
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
6871         c_builtin_function.
6872         * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6873         the signature.
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
6879         builtin_function.
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>
6947         PR middle-end/27132
6948         PR middle-end/23295
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>
6954         PR middle-end/29548
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>
6962         PR middle-end/21032
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>
6969         PR target/28232
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
7062         stmt.
7064 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
7066         * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7067         expressions.
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>
7083         PR middle-end/28252
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>
7089         PR target/19398
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>
7118         PR middle-end/26898
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>
7124         PR target/19116
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>
7137         PR middle-end/28796
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>
7145         PR target/29512
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
7174         nonlocal_all.
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
7202         successors.
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
7214         calls.
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
7218         escape variable.
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
7223         escaped vars.
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
7227         variables.
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
7237         nonlocal_all.
7238         (delete_alias_heapvars): Free nonlocal_for_type and null out
7239         nonlocal_all.
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>
7290         PR middle-end/29299
7291         * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7292         are used.
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>
7320         PR target/29413
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
7339         compiler.
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
7345         -mkernel support.
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.
7356         (mkernel): Add.
7357         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7358         -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7359         -mkernel support.
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
7371         in kexts.
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
7384         same.
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>
7393         PR target/25519
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>
7408         PR middle-end/29241
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>
7416         PR middle-end/29111
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>
7422         PR middle-end/29299
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>
7438         PR middle-end/29250
7439         * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7440         CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7441         recursing.
7443 2006-10-14  Kazu Hirata  <kazu@codesourcery.com>
7445         * config/score/score.c, config/score/score.h: Fix comment
7446         typos.
7448 2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7450         PR bootstrap/29402
7451         * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7452         shell pipeline.
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>
7460         Revert this change:
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>
7492         PR c/29092
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>
7509         PR c/28419
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>
7527         PR inline-asm/29119
7528         * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7529         addressable.
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
7551         avoid alias set 0.
7553 2006-10-10  Jakub Jelinek  <jakub@redhat.com>
7555         PR middle-end/29272
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
7569         -mdlmzb option.
7571 2006-10-09  Richard Henderson  <rth@redhat.com>
7573         Revert emutls patch.
7575 2006-10-09  Richard Guenther  <rguenther@suse.de>
7577         PR middle-end/29254
7578         * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7579         errors.
7581 2006-10-09  Steve Ellcey  <sje@cup.hp.com>
7583         PR target/27880
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):
7618         New macros.
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>
7634         PR middle-end/29256
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.
7654         PR target/28924
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
7689         multiple exits.
7691         PR target/29198
7692         * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7693         * config/i386/predicates.md (local_symbolic_operand): Likewise.
7695         PR c/29091
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
7703         instead.
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
7736         emulated tls.
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
7754         for emulated tls.
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
7762         Lambertsen:
7763         * genpreds.c (add_constraint): Don't remove anything from the
7764         expression here.
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>
7773         PR c++/28448
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>
7799         PR c/29154
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>
7814         PR c/20533
7815         * doc/extend.texi: Add used variable attribute description.
7817 2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
7819         PR c/24010
7820         * c.opt (Woverride-init): New.
7821         * c-opts.c (c_common_post_options): Default warn_override_init to
7822         extra_warnings.
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.
7826         (-Wextra): Update.
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
7873         dump file.
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>
7883         PR target/28617
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
7887         darwin-64.c.
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
7899         variable size.
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
7910         __sysctl.
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>
7924         PR target/29230
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
7932         reg_max_ref_width.
7934 2006-09-26  Jakub Jelinek  <jakub@redhat.com>
7936         PR middle-end/25261
7937         PR middle-end/28790
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>
7961         PR target/28911
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>
7975         PR c/28706
7976         PR c/28712
7977         * tree.c (merge_attributes, attribute_list_contained): If both
7978         TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7979         simple_cst_equal.
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
8001         code.
8003 2006-09-22  Richard Guenther  <rguenther@suse.de>
8005         PR middle-end/28964
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>
8011         PR middle-end/28690
8012         * explow.c (force_reg): Set REG_POINTER flag according to
8013         MEM_POINTER flag.
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
8025         needed.
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>
8037         PR debug/29132
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>
8056         PR middle-end/25505
8057         * calls.c (expand_call): Allow reuse of structure return stack
8058         temp.
8060 2006-09-20  Paul Brook  <paul@codesourcery.com>
8062         * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8063         positive offsets.
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>
8072         PR target/28574
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>
8078         PR middle-end/28046
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>
8101         PR  28490
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>
8107         PR target/28516
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>
8120         PR c/25993
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>
8126         PR tree-opt/21591
8127         * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8128         tag first.
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>
8135         PR tree-opt/29059
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>
8141         PR tree-opt/27742
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>
8148         PR target/29030
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
8161         printf.
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
8167         and move_operand.
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
8202         bad.
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
8212         flag.
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
8219         one line.
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>
8232         PR target/26504
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
8238         of a RETURN_EXPR
8240 2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
8242         PR debug/28980
8243         * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8244         FUNCTION_DECL.
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
8255         block start.
8256         * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8257         registers.
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>
8294         PR middle-end/28493
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>
8307         PR target/22223
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>
8314         PR middle-end/4520
8315         PR bootstrap/28784
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
8331         of annotations.
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
8348         of set_stmt_info.
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.
8367         (add_AT_file): New.
8368         (AT_file): New.
8369         (get_AT_file): New.
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
8394         maybe_emit_file.
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>
8404         PR target/13685
8405         PR target/27537
8406         PR target/28621
8407         * config/i386/i386.c (override_options): Always default to 16
8408         byte stack boundary.
8410 2006-09-11  Alexandre Oliva  <aoliva@redhat.com>
8412         PR target/28672
8413         * var-tracking.c (dump_dataflow_set): Start dumping at
8414         register zero.
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
8430         register.
8431         (sched_analyze_2): ...and here.  Call it to analyze references to
8432         registers.  Treat again reads of a stack register as reading the
8433         register.
8435 2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
8436             David Edelsohn  <edelsohn@gnu.org>
8438         PR target/27287
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>
8449         PR target/29009
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>
8462         PR middle-end/26983
8463         * builtins.c (expand_builtin_setjmp): Force next_lab to be
8464         preserved.
8466 2006-09-10  Richard Sandiford  <richard@codesourcery.com>
8468         PR target/29006
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
8481         for literal16.
8483 2006-09-09  Eric Christopher  <echristo@apple.com>
8485         PR target/28995
8486         * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8487         for literal16.
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>
8501         PR target/26778
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
8520         x86_64.
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>
8532         PR c/28504
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>
8543         PR middle-end/27724
8544         * varasm.c (output_constant): Only strip actual no-op conversions.
8546         PR target/13685
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
8553         comment.
8554         * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8555         Redefine.
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>
8605         PR target/28946
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>
8623         PR middle-end/28862
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>
8629         PR target/27117
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>
8636         PR rtl-opt/27883
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>
8642         PR c++/27371
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>
8657         PR tree-opt/28937
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):
8667         Likewise.
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
8676         remove_empty_loops.
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>
8687         PR tree-opt/28952
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>
8694         PR target/28764
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
8698         an abnormal edge.
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>
8732         PR middle-end/28935
8733         * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8734         of a COND_EXPR.
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>
8753         Revert this change:
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>
8761         PR middle-end/27567
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
8765         into an assignment.
8766         (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8767         functions.
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.
8783         (b<code>_op): New.
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.
8791         (s<code>): New.
8792         (s<code>_24): 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>
8804         PR middle-end/27226
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>
8811         PR c++/28899
8812         * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8813         want_value.
8815         * gimplify.c (voidify_wrapper_expr): Handle null type.
8817 2006-09-01  Josh Conner  <jconner@apple.com>
8819         PR c++/25505
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>
8825         PR c++/25505
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>
8837         PR other/22313
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
8840         current label.
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>
8847         PR target/24367
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):
8889         Declare.
8890         * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8891         in double_int.
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>
8897         PR middle-end/26632
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
8908         x87 instructions.
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>
8926         PR c++/24009
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>
8937         PR target/27544
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
8945         STACK_BOUNDARY.
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>
8951         PR middle-end/28683
8952         * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8953         3 following insns.
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>
8962         PR c/27893
8963         * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8964         omp_add_variable): Treat sizes as variable whenever not
8965         INTEGER_CST.
8967 2006-08-26  Richard Guenther  <rguenther@suse.de>
8969         PR middle-end/28814
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>
8975         PR c/28418
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>
8981         PR c/28299
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>
8987         PR target/28621
8988         * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8990 2006-08-25  Alan Modra  <amodra@bigpond.net.au>
8992         PR target/27075
8993         * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8994         for 8 byte objects.
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>
9012         PR target/28753
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>
9028         PR tree-opt/28807
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
9031         touch the variable.
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>
9043         PR debug/26881
9044         * cgraph.c: Fix comments.
9045         (cgraph_varpool_mark_needed_node): Mark only variables not already
9046         output to file.
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%
9059         probability.
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>
9068         PR 28825
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>
9074         PR debug/28692
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>
9080         PR middle-end/28776
9081         * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9082         parameter.  Convert arguments to arithmetic expression to the
9083         chrecs type.
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
9090         my previous patch.
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>
9105         PR c++/27115
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
9118         #if !__SHMEDIA__ .
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
9130         to _Unwind_VRS_Pop.
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
9144         twice.
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>
9167         PR middle-end/28779
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>
9174         PR target/28648 c:
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>
9180         PR target/27565
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>
9190         PR c/28744
9191         * cgraph.h (struct cgraph_node): Remove externally_visible
9192         bitfield.
9193         * cgraphunit.c (process_function_and_variable_attributes): Set
9194         local.externally_visible rather than externally_visible.
9196         PR c/28744
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
9208         for later removal.
9209         (reload_as_needed): Use the new mechanizm.
9211 2006-08-17  Alexandre Oliva  <aoliva@redhat.com>
9213         PR target/28146
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
9227         at the right place.
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
9236         for pointer types.
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
9242         for pointers.
9244 2006-08-17  Paolo Bonzini <bonzini@gnu.org>
9246         PR c++/28573
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>
9269         PR c/27697
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
9280         functions.
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
9290         correctly.
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>
9296         PR c/27489
9297         * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9298         Clean up.
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>
9307         PR c/28287
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>
9313         PR c/28280
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>
9326         PR c/28649
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>
9332         PR middle-end/28713
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.
9338         PR middle-end/28724
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>
9344         PR c/27490
9345         PR c/27489
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>
9367         PR c/27184
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
9374         literal.
9376         * c-decl.c (grokdeclarator): Remove code where we copy the
9377         array type over.
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>
9405         PR middle-end/28651
9406         * simplify-rtx.c (simplify_const_relational_operation):
9407         Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9408         codes.
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
9427         new_type_alias.
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
9436         zero if not found.
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
9454         if requested.
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
9466         decl link.
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>
9476         PR target/27827
9478         * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9479         instructions.
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>
9488         PR c/28502
9489         * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9490         argument.
9492         PR c/27721
9493         * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9495         PR c/28136
9496         * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9498 2006-08-04  Jan Hubicka  <jh@suse.cz>
9500         PR target/26655
9501         PR target/28270
9502         * reload.c (push_reload): Patch out the mismatching instruction;
9503         return early.
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
9523         effects.
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>
9531         PR c++/28148
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
9538         implementation.
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>
9558         PR target/27566
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>
9564         PR debug/28063
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>
9576         PR c++/28250
9577         PR c++/28257
9578         PR c++/28259
9579         PR c++/28267
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>
9592         PR debug/23336
9593         * c-typeck.c (build_external_type): Mark used enum types.
9594         * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9595         cfun also.
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
9603         bitmaps.
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
9613         and REGS_H.
9615 2006-07-30  Eric Christopher  <echristo@apple.com>
9617         PR target/27543
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>
9649         PR driver/28437
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>
9674         PR gcc/28508
9675         * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9676         branch.
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
9691         and decl fields.
9692         * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9693         next pointer
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
9715         FLOAT_TRUNCATE.
9717 2006-07-25  Roger Sayle  <roger@eyesopen.com>
9719         PR middle-end/28473
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
9742         on a VEC.
9743         (output_types_sort): New.
9744         (output_used_types): Collect used types on a VEC and sort them
9745         before emission.
9747 2006-07-24  Richard Guenther  <rguenther@suse.de>
9749         PR middle-end/28463
9750         * cgraph.c (cgraph_remove_node): Do not check if dumps
9751         are enabled.
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>
9769         PR debug/27473
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>
9775         PR c/25795
9776         PR c++/27369
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>
9786         PR target/28247
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>
9794         PR debug/25468
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>
9822         PR 27363
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>
9828         PR target/28427
9829         * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9831 2006-07-20  Eric Christopher  <echristo@apple.com>
9833         PR target/26877
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>
9855         PR middle-end/28283
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>
9864         PR 28410
9865         * tree-ssa-operands.c (access_can_touch_variable): Update
9866         comment.
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
9877         described below.
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
9896         elements.
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>
9907         PR c/28286
9908         * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9910 2006-07-18  Alexandre Oliva  <aoliva@redhat.com>
9912         PR c/26993
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>
9923         PR 27889
9924         * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9925         if needed.
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
9949         separately.
9951 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
9953         PR middle-end/28403
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>
9959         PR middle-end/28402
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>
9965         PR other/28251
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
9987         it.
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>
10017         PR target/27287
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
10024         sa_restorer set.
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
10030         DBX_OUTPUT_NFUN.
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
10045         align_variable.
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
10074         dest.
10075         (umulhisi3_r): Likewise.
10077 2006-07-12  Paolo Carlini  <pcarlini@suse.de>
10079         PR libstdc++/27878
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>
10098         PR bootstrap/20437
10099         * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10100         dependencies.
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
10116         SB-1.
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>
10134         PR target/27991
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):
10152         Likewise.
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):
10159         Likewise.
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>
10180         PR target/27968
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
10203         argument name.
10205 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
10207         PR target/28150
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>
10214         PR target/28170
10215         * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10216         bounds. Simplify.
10218 2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10220         PR target/28285
10221         * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10222         Remove duplicate gtu.
10224 2006-07-05  Jason Merrill  <jason@redhat.com>
10226         PR c++/13983
10227         PR c++/17519
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>
10238         PR target/26146
10239         * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10241 2006-07-05  Richard Guenther  <rguenther@suse.de>
10243         PR target/28158
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>
10272         PR bootstrap/18058
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>
10280         PR target/28207
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
10324         blocks.
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>
10333         PR other/27063
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
10347         comment typos.
10349 2006-06-29  Jason Merrill  <jason@redhat.com>
10351         PR c++/26905
10352         PR c++/26612
10353         PR c++/27000
10354         PR c++/26984
10355         PR c++/19134
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
10359         functions, too.
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.
10367         PR c++/26905
10368         PR c++/21675
10369         PR c++/17470
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>
10381         PR target/25765
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>
10413         PR c++/27768
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
10437         tmake_file list.
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
10467         table.
10469         Revert
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
10477         table.
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
10489         aggregate types.
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>
10518         PR target/27789
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
10532         table.
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>
10549         PR target/27531
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
10562         the entry edge.
10564 2006-06-21  DJ Delorie  <dj@redhat.com>
10566         * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10567         (TN-16C-A156A/E).
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
10574         unspecified.
10575         (coverage_counter_alloc): Use null arguments for operands 2 and 3
10576         of the ARRAY_REF.
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>
10585         PR target/26347
10586         PR target/27082
10587         * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10588         symbols.
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
10622         sizes.
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
10638         function.
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
10644         pools.
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
10663         function.
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>
10675         PR c/27149
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
10681         type a VM type.
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
10702         correctly.
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>
10710         PR target/27861
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
10726         statement we get.
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
10740         __AVR_HAVE_LPMX__.
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
10753         AVR_HAVE_MOVW.
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
10769         of 4096.
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
10825         into a bitfield.
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
10838         TRUTH_NOT_EXPR.
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
10849         bind locally.
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>
10884         PR c++/26559
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>
10914         PR target/28014:
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>
10944         PR debug/26754
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):
10985         Remove.
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>
11006         PR 27542
11007         * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11008         pragma.
11010 2006-06-11  Roger Sayle  <roger@eyesopen.com>
11012         PR target/27858
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>
11020         PR target/27158
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
11033         code.
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>
11061         PR target/26427
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>
11069         PR target/27421
11070         * config/i386/i386.c (classify_argument): Skip fields with invalid
11071         types in unions.
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>
11092         PR target/27863
11093         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11094         block boundaries.
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
11131         into single entry.
11133 2006-06-07  Paolo Bonzini  <bonzini@gnu.org>
11135         PR target/27390
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>
11151         PR target/27842
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
11160         dp-bit.c.
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
11170         value to 0.
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>
11184         PR target/27051
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
11192         stmts.
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.
11201         PR c/27150
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>
11207         PR c/25161
11208         PR c/27020
11209         * c-decl.c (grokdeclarator): Disallow variably modified types at
11210         file scope.  Avoid marking shared array type of constant size as
11211         VLA.
11213 2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11215         PR c++/27601
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
11244         size type.
11245         (fold_binary): Move code from here.
11247 2006-06-03  Roger Sayle  <roger@eyesopen.com>
11249         PR target/26223
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.
11260         (MC_FLD): New.
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>
11269         PR other/27850
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>
11309         PR 25453
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
11332         cabs(z).
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
11359         loop registers.
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,
11367         'l' for LB_REGS.
11368         (REGNO_REG_CLASS): Deal with loop registers.
11369         * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11370         letters.
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>
11402         PR target/27829
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
11405         shift_op.
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
11434         calling recog.
11436 2006-05-30  Roger Sayle  <roger@eyesopen.com>
11438         * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11439         and rotate cases.
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>
11445         PR c/27273
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>
11451         PR c/27718
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>
11475         PR target/27790
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>
11495         PR 26237
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>
11504         PR 26242
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
11519         multilib.
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
11523         -shared.
11524         (CRT_CALL_STATIC_FUNCTION): New.
11525         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
11526         FD-PIC moves.
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
11539         __BFIN_FDPIC__.
11540         * config/bfin/crtn.s: Restore them.
11541         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11542         if TARGET_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
11548         call-used.
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
11562         loop.c.
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
11592         PR reference.
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>
11608         PR target/27571
11609         * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11610         table data.
11612 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
11614         PR c++/20103
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>
11643         PR target/27627
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>
11701         PR c++/26757
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>
11762         PR target/27696
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
11771         to gen set.
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
11776         debug info.
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.
11789         (Building): Ditto.
11791 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
11793         PR target/27266
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>
11799         PR c++/27451
11800         * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11801         clobbers.
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>
11831         Revert
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>
11839         Revert
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
11863         builtins.
11865 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11867         PR c/27420
11868         * c-common.c (self_promoting_args_p): Skip erroneous args.
11870         PR c/26818
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.
11888         (BAD2): Add.
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
11906         on arg1.
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
11912         TDF_* defines.
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
11935         multiword refs.
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
11941         bitmap.
11942         (df_ref_create_structure, df_ref_record): Added code to properly
11943         handle subregs.
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
11964         processed.
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
11972         public.
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
11990         parameter.
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
11999         parameter.
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
12048         simple.
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
12068         libgcc2.h.
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.
12085         Revert:
12087         2006-02-08  Roger Sayle  <roger@eyesopen.com>
12089         PR target/22209
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.
12107         PR c/18740
12108         PR c/7948
12109         PR c/25802
12110         PR c/27673
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>
12135         PR target/27599
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
12158         cc0.
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.
12189         Fix formating.
12191 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
12193         PR bootstrap/22541
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
12258         from STRING_CSTs.
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>
12264         PR driver/26885
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.
12294         (find_opt): New.
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.
12304         PR c/27499
12305         * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12306         is signed.
12308 2006-05-16  Andreas Schwab  <schwab@suse.de>
12310         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12311         defmac.
12313 2006-05-15  Roger Sayle  <roger@eyesopen.com>
12315         PR target/26600
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>
12331         PR target/27599
12332         * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12333         host_xmake_file.
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
12359         argument.
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
12381         default at -O3.
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
12396         edges.
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>
12412         PR 27501
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
12424         host_xmake_file.
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
12435         On contraint.
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
12451         expression.
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>
12478         PR target/24949
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
12487         the same code.
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>
12500         PR bootstrap/26872
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>
12507         PR target/26545
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
12520         as -mtune=generic.
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
12524         cpu-type "native".
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
12537         loops.
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
12564         section for ppc.
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>
12574         PR target/27158
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>
12580         PR target/27277
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
12590         typos.
12592 2006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
12594         PR target/24879
12595         * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12596         inline function.
12597         (_mm_mwait): Likewise.
12599         * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12600         "mwait".
12601         (sse3_monitor): Make it 32bit only.
12602         (sse3_monitor64): New. 64bit monitor.
12604 2006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12606         PR target/27421
12607         * config/i386/i386.c (classify_argument): Skip fields with invalid
12608         types.
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>
12655         PR/21391
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
12659         used_types_insert.
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>
12670         PR target/26481
12671         * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12672         with output modifier.
12674 2006-05-04  Richard Sandiford  <richard@codesourcery.com>
12676         PR target/26765
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
12692         is available.
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
12707         operands.
12709         * config/bfin/bfin.c: Include "optabs.h".
12710         (bfin_rtx_costs): Some costs for vector operations, to allow combine
12711         to do more work.
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
12719         __ADSPBLACKFIN__.
12721 2006-05-04  Leehod Baruch  <leehod@il.ibm.com>
12723         * see.c: New file.
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
12767         boundary.
12769 2006-05-03  Alexandre Oliva  <aoliva@redhat.com>
12771         PR java/8260
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>
12785         PR fortran/27395
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
12794         always.
12795         * tree-ssa-operands.c (access_can_touch_variable): Allow
12796         typecasting through union pointers.
12798 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
12800         PR c++/26943
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
12811         COPYIN.
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>
12830         PR target/27387
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>
12837         PR target/25871
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
12844         and pool overlap.
12845         (create_fix_barrier): Check that a suitable barrier location is
12846         found.
12847         (arm_reorg): Include ftmp->address in allowable range of addresses.
12849 2006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
12851         PR ada/27366
12852         * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12853         on Cygwin.
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
12888         build!=host.
12889         (gcc_cv_objdump): Likewise.
12890         * configure: Regenerated.
12892 2006-05-01  Kazu Hirata  <kazu@codesourcery.com>
12894         PR target/27374
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
12903         compiles.
12905 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
12907         * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12908         variables.
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
12945         comments.
12947 2006-05-01  Richard Henderson  <rth@redhat.com>
12949         PR c/27358
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
12952         CPP_PRAGMA.
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
12967         problem ...
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>
13004         PR c/25309
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
13009         array index.
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
13063         iterator.
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
13083         support.
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
13110         prototype for SSE.
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>
13130         PR c/26171
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.
13138         PR c/25996
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
13171         are no branches.
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
13186         machines.
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
13194         for CONST_INTs.
13195         (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13196         * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13197         V2PDImode.
13198         * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13199         New predicates.
13200         * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13201         New constants.
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
13228         prune_unmark_dies.
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>
13239         Revert:
13240         2006-04-23  Mark Mitchell  <mark@codesourcery.com>
13241         * configure.ac: Completely disregard languages that are not
13242         enabled.
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
13268         state after num.
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
13302         enabled.
13303         * configure: Regenerated.
13305         PR c++/26534
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>
13312         PR target/21283
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>
13325         PR target/16641
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>
13338         Revert:
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:
13350         Fix comment typos.
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>
13393         PR c/25875
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
13410         NON_FLOAT_REGS.
13412 2006-04-21  Nick Clifton  <nickc@redhat.com>
13414         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13415         OPT_EXTRA_PARTS.
13417 2006-04-21  Alan Modra  <amodra@bigpond.net.au>
13419         PR target/27230
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>
13431         PR mudflap/26789
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>
13447         PR C/27558
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>
13459         PR target/27182
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>
13466         PR c/26774
13467         * stor-layout.c (update_alignment_for_field): Do not align
13468         ERROR_MARK nodes.
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
13515         rs6000/t-fprules.
13516         * config/rs6000/sfp-machine.h: New.  Based on glibc.
13517         * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13518         New.
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
13548         instead of VARRAY.
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>
13562         PR target/27117
13564         Partial revert of revision 112637
13565         2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
13566                     Dale Johannesen  <dalej@apple.com>
13568         PR target/19653
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>
13600         PR target/26826
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>
13625         PR target/26961
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
13634         mode_rep_extended.
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>
13656         PR target/24076
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
13714         of VARRAY.
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
13746         instead of VARRAY.
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
13751         instead of VARRAY.
13753 2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
13755         * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13756         defaulting to 100.
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>
13766         PR libgomp/26651
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
13776         instead of ggc.
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
13845         VIEW_CONVERT_EXPR.
13847 2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
13848             Ulrich Weigand  <uweigand@de.ibm.com>
13850         PR target/27006
13851         * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13852         to be even.
13854 2006-04-13  Alan Modra  <amodra@bigpond.net.au>
13856         PR target/26459
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>
13871         PR target/27060
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):
13875         New macros.
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
13885         TARGET_SH2.
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
13892         VARRAY.
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
13901         VARRAY.
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
13925         on stack.
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
13947         on the former.
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
13955         small arrays.
13956         (function_value): In 64-bit mode, return objects that require it
13957         in FP registers.
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>
13969         PR/27087
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>
13979         PR/21391
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
13990         types hash table.
13992 2006-04-11  Mark Mitchell  <mark@codesourcery.com>
13994         PR target/26459
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
14016         vecprim.h.
14017         * vecprim.h: New.
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>
14063         PR debug/27057
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>
14078         PR target/27034
14079         PR target/26508
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.
14094         PR target/26743
14095         PR target/11254
14096         PR target/10274
14097         * pa.md (cbranch patterns): Revise arguments used in calls to
14098         output_cbranch, output_bb and output_bvd.  Add long branch length
14099         attributes.
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
14112         instruction.
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,
14121         not REG_EQUIVs.
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
14172         insn.
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
14190         DYNAMIC_LINKER.
14191         * config/knetbsd-gnu.h: Ditto.
14193 2006-04-06  Jan Hubicka  <jh@suse.cz>
14195         PR profile/20815
14196         PR profile/26399
14197         * coverage.c (coverage_checksum_string): Reorganize loop to not read
14198         after buffer.
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
14211         vs m32c.
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):
14312         Likewise.
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
14322         subsection.
14324 2006-04-04  Matthias Klose  <doko@debian.org>
14326         * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14328         PR bootstrap/26764
14329         PR bootstrap/27334
14330         * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14331         strings.
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=
14341         documentation.
14343         * doc/extend.texi (Other Builtins): Document that
14344         __builtin_nan is a compile-time constant only when its argument
14345         is valid.
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>
14361         PR target/19653
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
14370         return NO_REGS.
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>
14384         PR bootstrap/26992
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
14429         operands.
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
14472         a boolean.
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
14514         avr/avr.h.
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>
14523         PR target/26459
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
14535         !Zdynamiclib.
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>
14543         PR target/17959
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>
14550         PR target/26734
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
14557         DEPS_LIST.
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
14596         headers.
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
14676         division by zero.
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
14699         tmake_file.
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
14717         is true.
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
14726         bit_field_refs.
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
14770         from parent_var.
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
14821         to 'int'.
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
14826         DEPS_LIST.
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
14865         Solaris /bin/sh.
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*,
14886         m4-200*, and m4a*.
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>
14921         PR target/26459
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
14942         dir_from_dist.
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
14963         distance.
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
14993         complex operands.
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
15041         Objective-C++.
15042         (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15043         DW_LANG_C_plus_plus.
15045         PR 26793
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
15064         ADDR_REGNO_P.
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
15079         the compiler.
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>
15100         PR target/26607
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
15135         tls symbols.
15137         PR target/26347
15138         * config/alpha/predicates.md (local_symbolic_operand): Reject
15139         weak symbols.
15141 2006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
15143         PR tree-opt/26795
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
15159         create_loop_notes.
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
15165         arguments.
15166         (assemble_start_function): Adjust call accordingly.
15167         (assemble_end_function): Likewise.
15169 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15171         PR mudflap/26789
15172         * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15174         PR mudflap/26790
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>
15179         PR driver/22600
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
15219         properly.
15220         * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15221         argument.
15222         * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15223         number.
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
15279         LOADGP_ABSOLUTE.
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__
15289         definition.
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>
15300         PR libgomp/26384
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>
15319         PR tree-opt/26781
15320         * tree-ssa-pre.c (create_component_ref_by_pieces):
15321         Handle STRING_CST.
15323 2006-03-21  Jakub Jelinek  <jakub@redhat.com>
15325         PR c++/26690
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):
15332         New members.
15333         (remove_arc, add_arc): Update num_out_arcs member.
15334         (set_out_arc_insns_equiv_num): Returns nothing instead of number
15335         of out arcs.
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
15341         input.
15342         (partition_equiv_class): Don't track out_arcs_num.
15343         (evaluate_equiv_classes): Call cache_presence on all states and
15344         sort them.
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
15352         callers changed.
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
15358         macros.
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
15363         IREGS.
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
15376         classes.
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>
15436         PR c++/21764
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>
15469         PR tree-opt/26629
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
15497         variables.
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.
15503         (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
15542         num_mova.
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.
15575         (extv): 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
15608         add_AT_lbl_offset.
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
15615         darwin_file_start.
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,
15621         mark as 'debug'.
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
15637         than replacing it.
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
15715         their checks.
15716         (ia64_variable_issue): Added code to count speculative loads and their
15717         checks.
15718         (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15719         speculative loads.
15720         (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15721         New enumerations.
15722         (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15723         New constants.
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,
15729         chk_a.
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
15737         check loads.
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
15746         constraints.
15747         (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15748         for speculation.
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
15754         for speculation.
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
15762         scheduling.
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
15781         gcc_target.sched.
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):
15794         New access macros.
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,
15803         sched-ebb.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
15824         data structures.
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
15865         n_insns.
15866         (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15867         Removed.
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
15872         struct sched_info.
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
15892         new fields.
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
15900         to handle EBBs.
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):
15933         New constants.
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
15953         QUEUE_INDEX.
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
15957         non-null.
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
15964         functions.
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
15976         functions.
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
15981         an INSN_LIST.
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):
16018         New constants.
16019         (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16020         New enums.
16021         * sched-rgn.c (current_sched_info): Initialize flags field.
16022         (schedule_insns): Initialize current_sched_info before the sched_init
16023         call.
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
16029         call.
16031 2006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
16033         * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16034         fs->signal_frame.
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
16046         OS version.
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
16050         of __cxa_atexit.
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
16064         calculation.
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
16072         GET_CODE() == REG.
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
16103         loop notes.
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
16126         VEC(char,heap) *.
16127         (stack_regs_mentioned): Update the uses of
16128         stack_regs_mentioned_data.  Don't access the array beyond its
16129         end.
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
16140         STACK_REGS.
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
16150         SSA form.
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
16157         the function size.
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>
16167         PR target/26657
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
16176         MASK_SCHED_PROLOG.
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
16186         p_false pointer.
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
16198         is defined.
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
16224         of RETS.
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,
16232         not if flag_pic.
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):
16252         Removed.
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
16309         references.
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>
16320         PR c/26004
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
16332         start at zero.
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
16367         interface.
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
16391         comparisons.
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
16397         interface.
16398         (*branch_equality<mode>_inverted): Likewise.
16399         (condjump): New expander.
16400         * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16401         operator.
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)"
16432         transformation.
16434         (range_predecessor): New static function.
16435         (range_successor): Likewise.
16436         (merge_ranges): Use them to compute predecessors and successors of
16437         range bounds.
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,
16458         cond_to_int): New.
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)).
16466         Add Sp constraint.
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
16474         position.
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
16489         code macros.
16490         (no_insn): New.
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.
16498         (ap_operand): New.
16499         (ma_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
16531         use-def chain.
16533 2006-03-08  Paolo Bonzini  <bonzini@gnu.org>
16535         PR bootstrap/26500
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
16546         dependency.
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>
16572         PR target/26588
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>
16581         PR gomp/26238
16582         * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16583         expansion.
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):
16636         Remove.
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):
16652         Remove.
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
16697         n_non_fixed_regs.
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
16730         parameter.
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
16759         PR target/19061
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>
16821         PR bootstrap/26478
16822         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16823         copying over it.
16825 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
16827         * tree-vrp.c (remove_range_assertions): Do not update statements
16828         unnecessarily.
16830 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
16832         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16833         cleanup.
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
16842         jump.
16844 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
16846         * loop.c: Removed.
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):
16945         Override.
16946         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16947         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16948         Override.
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
17114         return a value.
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
17136         config/dfp-bit.c.
17138 2006-03-01  Roger Sayle  <roger@eyesopen.com>
17140         PR other/26489
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
17149         from DWARF 3.
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,
17165         DW_LANG_D): New.
17167 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
17169         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17170         Update all users.
17171         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17172         Update all users.
17173         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17174         Update all users.
17175         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17176         Update all users.
17177         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17178         to 'symbol_mem_tag'.
17179         Update all users.
17180         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17181         rename.
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>
17189         PR target/25761
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>
17196         PR target/26389
17197         * config/darwin-protos.h (darwin_asm_output_anchor):
17198         Declare.
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
17206         function.
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
17238         Revert:
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
17265         continues to work.
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
17313         values of n.
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>
17321         * df.c: Remove.
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
17328         predicate queue.
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
17352         those functions.
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
17363         definitions.
17364         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17365         defined.
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
17370         EXTRA_CONSTRAINT.
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
17383         definitions.
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>
17399         PR other/26208
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
17407         fs->signal_frame.
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
17411         of _Unwind_GetIP.
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
17453         no-ops.
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
17458         passes.
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
17495         (X & 1) == 0.
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
17525         X == (C1^C2).
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
17540         Code Generation".
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
17561         documentation.
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>
17591         PR target/26453
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,
17636         remove assert.
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>
17693         PR libgomp/26234
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
17723         displacement.
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
17733         involving memory.
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
17754         hooks.
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.
17774         (gcd): Moved...
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
17794         analyzed.
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>
17837         PR tree-opt/25879
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
17845         (PROTO): 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
17882         status.
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>
17893         PR bootstrap/25476
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
17908         subshell.
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
17961         to this.
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):
17977         Use the arguments.
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>
17986         PR target/26350
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.
17995         Reindent.
17996         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17997         of RTX_SIZE.
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.
18004         Reindent.
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.
18011         PR target/9703
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>
18112         PR tree-opt/25680
18113         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18114         IMAGPART_EXPR.
18116 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
18118         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18119         is_aliased.
18120         Update all users.
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>
18130         PR ada/13408
18131         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18133 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
18135         PR target/24837
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
18142         used together.
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
18150         TARGET_GLIBC.
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
18179         TARGET_GLIBC.
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
18212         targets.
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
18226         width of X.
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>
18236         PR target/26255
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
18243         point register.
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>
18249         PR target/26272
18250         * config/rs6000/darwin.md (load_macho_picbase_si): Add
18251         pc to the pattern.
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
18279         updated.
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>
18297         PR target/20353
18298         PR target/24578
18299         PR target/24837
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
18324          previous change.
18326 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
18328         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18329         read-write uses.
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
18341         for reloads.
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.
18355         (SFT_OFFSET): New.
18356         (SFT_SIZE): New.
18357         (union tree_node): Add sft member.
18358         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18359         specially here.
18360         (create_sft): Add size and offset argument, set SFT_OFFSET and
18361         SFT_SIZE.
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
18369         SFT's.
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
18393         uses_of_defs.
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.
18398         PR other/26147
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
18415         this behaviour.
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
18436         options.
18438 2006-02-15  Marcin Dalecki <martin@dalecki.de>
18440         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18441         construction.
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
18448         eh edges.
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
18462         and GEU.
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>
18470         PR bootstrap/26053
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
18487         param.
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):
18496         Document.
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):
18522         Declare.
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
18558         format.
18560 2006-02-13  Jeff Law  <law@redhat.com>
18562         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18563         TRUTH_XOR_EPR.
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
18597         (X&(C1&~C2))|C2.
18598         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18600 2006-02-13  Josh Conner  <jconner@apple.com>
18602         PR target/25376
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
18625         default.
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
18631         default for C++.
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>
18666         PR tree-opt/24365
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
18669         isn't.
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
18682         expensive.
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
18715         eh edges.
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>
18734         PR target/26141
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>
18776         PR tree-opt/26179
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>
18794         PR 26180
18795         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18796         multiplying unsigned values.
18797         Tidy comments.
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>
18805         PR c++/25979
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.
18817         PR tree-opt/24365
18818         * tree-inline.c (declare_return_variable): Also clear
18819         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18821         PR c++/16405
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
18840         the exit block.
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>
18877         PR target/22209
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
18892         threading jumps.
18894 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
18896         * df.h (DF_REG_SIZE): Return the length of the initialized
18897         part of the array.
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
18908         duplicated code.
18909         (register_dump_files): Now a wrapper around...
18910         (register_dump_files_1): ... this one.  Do not modify the pass
18911         structure.
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
18915         last_verified.
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
18921         at the beginning.
18922         (FIRST_AUTO_NUMBERED_DUMP): New.
18923         (dump_register): Remove "num" parameter, assign it within the
18924         function.
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
18960         bbs pointer.
18962 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18964         PR target/26109
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>
18972         PR c++/18150
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
18986         PIC addresses.
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
19007         routine names.
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
19033         VRP information.
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>
19064         PR c++/26140
19065         Revert
19066         2006-01-30  Richard Guenther  <rguenther@suse.de>
19067         PR c++/23372
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>
19083         PR debug/24444
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>
19107         PR target/25917
19108         * config/ia64/predicates.md (extr_len_operand): New predicate.
19109         * config/ia64/ia64.md (extv): Tighten constraints.
19110         (extzv): Ditto.
19111         (*tbit_and_2): Ditto.
19112         (*tbit_and_3): Ditto.
19113         (*tbit_or_2): Ditto.
19114         (*tbit_or_3): Ditto.
19115         (*bit_zero): Ditto.
19116         (*bit_one): Ditto.
19118 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
19120         PR target/23359
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
19137         argument.
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
19149         dump argument.
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
19158         of stats_file.
19159         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19160         use dump argument.
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):
19165         Ditto.
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):
19178         Ditto.
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
19181         to regclass.
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
19197         dump_file.
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
19203         renumber_insns.
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
19212         changed.
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
19221         life_analysis.
19222         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19223         dbr_schedule.
19224         * config/mips/mips.c (mips_reorg): Ditto.
19225         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19226         schedule_ebbs.
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):
19233         Define.
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):
19238         Define.
19240         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19241         Define.
19242         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19243         Define.
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
19272         rename.
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>
19302         PR tree-opt/25251
19303         * tree-cfg.c (cleanup_dead_labels): Also don't remove
19304         forced labels.
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
19313         information.
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
19331         pa/t-pa.
19332         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19333         pa/t-pa.
19334         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19335         pa/x-ada.
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
19345         boundaries.
19347 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
19349         PR debug/24444
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
19358         incorrect default.
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>
19388         PR target/25926
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>
19394         PR c++/25979
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>
19415         PR target/25960
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>
19421         PR target/25864
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
19426         and dxr fields.
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__
19434         builtin define.
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
19458         <Rf>.
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
19462         splitters.
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):
19469         New options.
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
19475         the new options.
19477 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
19479         PR target/25377
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
19509         object files.
19511 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
19513         * flow.c (calculate_global_regs_live): Assert that there aren't any
19514         EDGE_FAKE edges.
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>
19533         PR 25990
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
19568         rules.
19569         * expr.c (expand_expr_real_1): Use function argument promotion rules
19570         for PARM_DECLs.
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
19603         dom_bbs pointer.
19604         * tree-ssa-live.c (type_var_init): Allocate bitmap after
19605         call to tpa_init.
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.
19616         * tracer.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.
19638         * loop.c: Ditto.
19639         * ipa-cp.c: Ditto.
19640         * cppspec.c: Ditto.
19641         * diagnostic.c: Ditto.
19642         * final.c: Ditto.
19643         * genoutput.c: Ditto.
19644         * gcc.c: Ditto.
19645         * cfghooks.c: Ditto.
19646         * cfgloopanal.c: Ditto.
19647         * objc/objc-act.c: Ditto.
19648         * gcov.c: Ditto.
19649         * genextract.c: Ditto.
19650         * genautomata.c: Ditto.
19651         * pretty-print.c: Ditto.
19652         * genemit.c: Ditto.
19653         * cgraphunit.c: Ditto.
19654         * flow.c: Ditto.
19655         * df-scan.c: Ditto.
19656         * haifa-sched.c: Ditto.
19657         * dominance.c: Ditto.
19658         * dbxout.c: Ditto.
19659         * tree-ssa-loop-ivopts.c: Ditto.
19660         * df-core.c: Ditto.
19661         * mode-switching.c: Ditto.
19662         * modulo-sched.c: Ditto.
19663         * graph.c: Ditto.
19664         * ipa-pure-const.c: Ditto.
19665         * cse.c: Ditto.
19666         * fix-header.c: Ditto.
19667         * web.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.
19673         * global.c: Ditto.
19674         * alloc-pool.c: Ditto.
19675         * dwarf2out.c: Ditto.
19676         * opts.c: Ditto.
19677         * genattrtab.c: Ditto.
19678         * tree-ssa-loop-ivcanon.c: Ditto.
19679         * predict.c: Ditto.
19680         * timevar.c: Ditto.
19681         * lcm.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.
19688         * gcse.c: Ditto.
19689         * ipa-type-escape.c: Ditto.
19690         * alias.c: Ditto.
19691         * tree-if-conv.c: Ditto.
19692         * profile.c: Ditto.
19693         * ipa.c: Ditto.
19694         * tree-data-ref.c: Ditto.
19695         * loop-unroll.c: Ditto.
19696         * treelang/treetree.c: Ditto.
19697         * calls.c: Ditto.
19698         * bt-load.c: Ditto.
19699         * ggc-common.c: Ditto.
19700         * except.c: Ditto.
19701         * coverage.c: Ditto.
19702         * cselib.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.
19722         * tlink.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.
19730         * cfgrtl.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.
19737         (smax_m1): New.
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
19766         builtins.
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.
19779         * expr.c: use it.
19780         * calls.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
19798         unreachable code.
19800 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
19802         PR target/26018
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>
19821         PR target/14798:
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
19835         variables.
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
19840         nosave_low_regs.
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>
19857         PR c++/23372
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>
19867         PR 25874
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>
19875         Revert
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>
19892         PR tree-opt/25911
19893         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19894         to an if check.
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
19968         static.
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>
19986         PR c/19606.
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
20052         for target hook.
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
20058         intrinsic.
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>
20080         PR target/25864
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
20095         _df_to_tf.
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>
20102         PR target/25864
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
20111         TARGET_IEEEQUAD.
20112         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20113         ieeelongdouble.
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
20117         split.
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
20123         IEEEQUAD.
20124         (rs6000_generate_compare): Use IBM long double compare if not
20125         TARGET_IEEEQUAD.
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
20131         !TARGET_IEEEQUAD.
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
20141         opaque type.
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.
20146         (X0PTR): Delete.
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>
20158         PR other/24829
20159         PR target/24831
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
20163         UNUSED macro.
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>
20188         PR target/25961
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>
20194         PR target/25961
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
20201         AS_SET_VAR_IF.
20202         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20204 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
20206         PR c/25892
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>
20220         PR tree-opt/21470
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
20226         parameter decls.
20228 2006-01-26  Jeff Law  <law@redhat.com>
20230         PR ada/25900
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
20234         VR_ANTI_RANGE.
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>
20245         PR C/25861
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>
20265         PR target/25947
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>
20283         PR 25886
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
20343         clauses.
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>
20357         PR target/25758
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
20368         a slim RTL dump.
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
20377         a bit.
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
20387         SYMBOL_REF_DECL.
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>
20428         PR java/25816
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
20445         efficient way.
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>
20458         PR tree-opt/25860
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>
20499         PR tree-opt/25315
20500         PR tree-opt/25857
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
20542         the string.
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):
20572         Delete.
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
20622         record_insn_name.
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.
20639         Call write_writer.
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
20775         URL.
20777 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
20779         PR c++/16190
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
20789         dates.
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>
20829         PR libstdc++/25524
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):
20837         Likewise.
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
20853         label numbers.
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.
20862         Revert
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>
20868         PR c++/5520
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
20889         or comment typos.
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
20902         necessary.
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
20906         calling df_finish.
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):
20933         Removed.
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
20940         UD chains.
20941         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20942         analysed.
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
20946         analysis.
20947         * loop-unswitch.c (may_unswitch_on): Ditto.
20948         * df.c (df_bitmaps_free): Only work for bbs for that structures are
20949         allocated.
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
20954         outmode.
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>
20964         PR target/25668
20965         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20966         Double TFmode.
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>
20981         PR testsuite/25171
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>
20992         PR target/22099
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
21002         (i686) Update.
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'.
21056         Update all users.
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
21068         child function.
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
21080         cases.
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.
21102         (list2chain): New.
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
21108         CFG.
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.
21115         (expand_omp): 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
21196         VR_ANTI_RANGE.
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
21250         stmt_info.
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,
21271         sdot_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
21276         tree-codes.
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
21283         DOT_PROD_EXPR.
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,
21295         widen_usum_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
21306         patterns.
21308 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
21310         PR c/25805
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
21335         caller.
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
21348         for escaping.
21349         * tree-outof-ssa.c (create_temp): Copy escape mask from original
21350         variable.
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
21386         not leaves.
21387         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21388         Likewise.
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
21487         OMP_BODY.
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
21541         mode_for_size.
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
21570         to 200505.
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
21657         a readonly_error.
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
21663         and combined_ctxp.
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
21707         OpenMP directives.
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
21744         checks.
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
21749         of the function.
21750         (debug_function): New.
21751         * passes.c (init_optimization_passes): Schedule
21752         pass_lower_omp.
21753         * langhooks-def.h (lhd_omp_predetermined_sharing,
21754         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21755         Declare.
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>
21814         PR target/25731
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
21821         aggregates.
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):
21849         Make them static.
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
21870         operands.
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):
21887         Make them static.
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
21907         D128PBIT are set.
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>
21926         PR target/592
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
21945         fixed.
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>
21957         PR c/25682
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
21978         function.
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
21988         assemble_asm.
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,
22020         update_clones_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.
22051         * rtl.h: Likewise.
22053 2006-01-16  DJ Delorie  <dj@redhat.com>
22055         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22056         mems.
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>
22065         PR testsuite/25741
22066         * Makefile.in (check-%): Depend on site.exp instead of
22067         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22068         directories.
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
22087         static.
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
22101         if INSN is null.
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
22123         ABNORMAL edges.
22124         (block_has_preserve_label): New function.
22125         * common.opt: Register new pass.
22126         * Makefile.in: Ditto.
22127         * passes.c: 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>
22153         PR target/25168
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
22156         for type "F".
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
22197         arrays now.
22198         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22199         COMPONENT_REF.
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
22213         functions.
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
22237         CALL_INSN.
22239 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
22241         * combine.c (struct reg_stat): Add new fields truncation_label and
22242         truncated_to_mode.
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
22247         check_conversions.
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
22268         SSA_NAMES.
22270 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
22272         PR tree-opt/24365
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
22281         do not set errno.
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
22293         multiple shifts.
22294         * config/m32c/predicates.md (shiftcount_operand): Allow more
22295         general operands.
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
22303         documentation.
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
22330         variable.
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
22346         match_code.
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
22355         ifdef.
22357 2006-01-11  Jeff Law  <law@redhat.com>
22359         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22360         hold edge pairs.
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
22394         basic_block_info.
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):
22404         Likewise.
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>
22412         PR target/25706
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
22418         modifier.
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>
22425         PR target/25042
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
22441         clones.
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.
22455         (save_body): Kill.
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
22460         saving.
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
22499         optimizations.
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
22535         variables.
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
22560         dataflow.
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):
22632         Ditto.
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
22646         and ARRAY_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>
22657         PR target/20754
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
22683         regs_ever_live[].
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>
22697         PR target/25718
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
22714         MASK_ALIGN_DOUBLE.
22715         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22716         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22717         arguments.
22719 2006-01-10  Ben Elliston  <bje@au.ibm.com>
22721         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22722         float modes.
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
22749         conditionals.
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,
22757         callers updated.
22758         (local_fold): Remove, no longer used.
22759         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22760         and moved to...
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
22784         variable.
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
22797         SHmedia correctly.
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
22809         step.
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
22812         the last GEN_INT.
22813         (sym2GOTPLT): Remove.
22814         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22815         gen_rtx_UNSPEC.
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
22840         define.
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
22857         flag.
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>
22869         PR ada/24994
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
22875         if requested.
22876         (verify_eh_throw_table_statements): New function.
22877         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
22878         updated.
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
22884         bsi_remove call.
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>
22916         PR tree-opt/25528
22917         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22918         and IMAGPART_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
22921         mtags.
22922         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22923         complex types.
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):
22936         Likewise.
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
22959         case.
22960         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22961         for renaming.
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
23004         restrictions.
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
23025         pch_preprocess.
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
23030         CPP_PRAGMA_EOL.
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>
23057         PR ada/24994
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 ().
23066         PR target/25554
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.
23073         PR c/25559
23074         * c-common.c (handle_vector_size_attribute): Reject zero vector size
23075         as well as sizes not multiple of component size.
23077         PR debug/25562
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
23093         of dominance tree.
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
23107         to LSHIFTRT.
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>
23118         PR c/25183
23119         * stmt.c (add_case_node): Make sure to clear overflow flags
23120         from ranges.
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
23131         prototype.
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
23156         COMPONENT_REFs.
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
23189         necessary.
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>
23210         PR target/25259
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.