mangle.c (java_mangle_decl): Remove dead check.
[official-gcc.git] / gcc / ChangeLog
blobdfdbfc26a198d61cd0db2716c45751499ea34cfe
1 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
3         PR tree-opt/35422
4         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
5         conversion to the operands of a multiplication.
7 2008-03-12  Richard Guenther  <rguenther@suse.de>
9         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
10         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
11         * timevar.def (TV_TREE_PHIPROP): Add.
12         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
13         pass description.  Use TV_TREE_PHIPROP.
14         * tree-ssa-forwprop.c: Remove phiprop code.
16 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
18         PR middle-end/35549
19         * omp-low.c (maybe_lookup_decl): Constify first argument.
20         (use_pointer_for_field): Change last argument from bool to
21         omp_context *.  Disallow shared copy-in/out in nested
22         parallel if decl is shared in outer parallel too.
23         (build_outer_var_ref, scan_sharing_clauses,
24         lower_rec_input_clauses, lower_copyprivate_clauses,
25         lower_send_clauses, lower_send_shared_vars): Adjust callers.
27 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
28             Ira Rosen  <irar@il.ibm.com>
30         * tree-vectorizer.c (free_stmt_vec_info): New function.
31         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
32         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
33         * tree-vectorizer.h (free_stmt_vec_info): Declare.
34         * tree-vect-transform.c (vectorizable_conversion): Free
35         vec_oprnds0 if it was allocated.
36         (vect_permute_store_chain): Remove unused VECs.
37         (vectorizable_store): Free VECs that are allocated in the..
38         function.
39         (vect_transform_strided_load, vectorizable_load): Likewise.
40         (vect_remove_stores): Simplify the code.
41         (vect_transform_loop): Move code to vect_remove_stores().
42         Call vect_remove_stores() and free_stmt_vec_info().
44 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
46         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
47         TARGET_HPUX.  Revise comment.
48         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
49         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
50         Use sr4 variant of `be' instruction when not generating PIC code.
51         (attr_length_call): Adjust for above change.
53 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
55         * ipa-reference.c (static_execute): Remove module_statics_const and
56         associated setting code.
58 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
60         PR target/35540
61         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
62         constraint for operand 1.
63         (paritysi2_cmp): Use register_operand constraint for operand 2.
64         Use earlyclobber modifier for operand 1.  Remove support for
65         memory operands.
66         (paritydi2_cmp): Use register_operand constraint for operand 3.
67         Use earlyclobber modifier for operand 1.  Remove support for
68         memory operands.
70 2008-03-11  Paul Brook  <paul@codesourcery.com>
71             Vladimir Prus  <vladimir@codesourcery.com>
73         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
74         (arm_compute_save_reg0_reg12_mask): Always
75         check if register 11 must be saved.  Always safe hard frame pointer
76         when frame_pointer_needeed.
77         (arm_compute_save_reg_mask): Save IP and PC
78         only with apcs frames.
79         (arm_output_epilogue): Adjust Thumb2 codepath to
80         be also invoked and work for ARM non-apcs frames.
81         (arm_expand_prologue): Don't bother saving IP
82         for non-apcs frame, since it's not clobbered by
83         prologue code.  Implement non-apcs frame
84         layout.
86 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
88         PR rtl-optimization/35281
89         * expr.c (convert_move): Use a new pseudo for the intermediate
90         from_mode->word_mode result.
92 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
94         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
95         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
96         * toplev.c (compile_file): Don't call it.
98 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
100         PR middle-end/35526
101         * expr.c (store_expr): Call emit_block_move if the mode
102         of "temp" RTX is BLKmode.
104 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
105             Richard Guenther  <rguenther@suse.de>
107         PR tree-optimization/31358
108         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
109         the step with a NULL_TREE.
110         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
111         to sizetype if type is a pointer type.
112         (add_candidate_1): Don't convert the base and step to
113         the generic type if the orginal type is a pointer type.
114         (add_iv_value_candidates): Use sizetype for the step
115         if type is a pointer type.
116         (cand_value_at): Likewise.
117         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
118         for pointer types.
119         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
120         Don't convert the tem affine to the type.
121         (add_elt_to_tree): Use sizetype for the step if a pointer.
122         Use POINTER_PLUS_EXPR for pointers.
123         (aff_combination_to_tree): Use sizetype for the step if a
124         pointer.
126 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
128         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
129         Remove commutativity hint.
131 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
133         PR c/35438
134         PR c/35439
135         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
136         errorneous type.  Check that v is a VAR_DECL.
138         PR middle-end/35099
139         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
141 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
143         PR tree-optimization/35494
144         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
145         may be overriden at link and run time.
147 2008-03-10  Richard Guenther  <rguenther@suse.de>
149         PR tree-optimization/34677
150         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
151         (poolify_tree): Likewise.
152         (modify_expr_template): Likewise.
153         (poolify_modify_stmt): Likewise.
154         (insert_fake_stores): Handle all component-ref style stores
155         in addition to INDIRECT_REF.  Also handle complex types.
156         Do not poolify the inserted load.
157         (realify_fake_stores): Do not rebuild the tree but only
158         make it a SSA_NAME copy.
159         (init_pre): Remove initialzation of modify_expr_template.
160         Do not allocate modify_expr_node_pool.
161         (fini_pre): Do not free modify_expr_node_pool.
163 2008-03-10  Paul Brook  <paul@codesourcery.com>
165         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
166         to avoid conflicts.
168 2008-03-10  Paul Brook  <paul@codesourcery.com>
169             Mark Shinwell  <shinwell@codesourcery.com>
171         * config/arm/cortex-r4.md: New.
172         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
173         insn attributes.
174         * config/arm/arm.md: Include cortex-r4.md.
175         (insn): Add smmls, sdiv and udiv values.
176         (generic_sched): Don't use generic scheduling for Cortex-R4.
177         (arm_issue_rate): New function.
178         (TARGET_SCHED_ISSUE_RATE): Define.
180 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
182         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
184 2008-03-10  Richard Guenther  <rguenther@suse.de>
186         * tree-ssa-pre.c (get_sccvn_value): Simplify.
187         (compute_avail): Do not add stmt uses to AVAIL_OUT.
189 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
191         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
192         Set default to true.
194 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
196         * c.opt (Wsynth): Deprecate.
197         * doc/invoke.texi (Option Summary, Warning Options): Document
198         -Wno-format-contains-nul.
200 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
202         PR target/35496
203         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
204         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
206 2008-03-09  Ira Rosen  <irar@il.ibm.com>
208         * config/rs6000/rs6000.c (builtin_description): Rename vector
209         left shift operations.
210         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
211         (altivec_vsl<VI_char>): Rename to ...
212         (ashl<mode>3): ... new name.
213         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
214         gen_ashlv4si3.
215         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
217 2008-03-08  Richard Guenther  <rguenther@suse.de>
219         * coverage.h (tree_coverage_counter_addr): Declare.
220         * coverage.c (tree_coverage_counter_addr): New function.
221         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
222         before using again.
223         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
224         (tree_gen_one_value_profiler): Likewise.
225         (tree_gen_ic_profiler): Likewise.
226         (tree_gen_average_profiler): Likewise.
227         (tree_gen_ior_profiler): Likewise.
229 2008-03-08  Richard Guenther  <rguenther@suse.de>
231         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
232         (vn_binary_op_insert): Likewise.
233         (vn_unary_op_lookup): Likewise.
234         (vn_unary_op_insert): Likewise.
235         (vn_nary_op_lookup): Declare.
236         (vn_nary_op_insert): Likewise.
237         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
238         and binary hashes, use a single obstack for unary_op_pool
239         and binary_op_pool.
240         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
241         a single struct vn_nary_op_s.  Store tree code length and
242         a variable number of operands.
243         (struct vn_reference_op_struct): Remove unused op2.
244         (vn_reference_op_eq): Do not compare op2.
245         (vn_reference_op_compute_hash): Do not compute hash of op2.
246         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
247         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
248         with vn_nary_op_compute_hash.
249         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
250         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
251         vn_nary_op_lookup.
252         (vn_unary_op_insert, vn_binary_op_insert): Replace with
253         vn_nary_op_insert.
254         (visit_unary_op): Call nary functions.
255         (visit_binary_op): Likewise.
256         (process_scc): Adjust for struct vn_tables_s changes.
257         (allocate_vn_table): Likewise.
258         (free_vn_table): Likewise.
259         * tree-vn.c (vn_add): Call nary functions.
260         (vn_lookup): Likewise.
262 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
264         PR target/35498
265         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
266         wdst back after sync_compare_and_swapqhi_internal.
268 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
270         PR target/22152
271         * config/i386/i386-modes.def (V1DI): New vector mode.
272         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
273         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
274         (MMXMODE248): Ditto.
275         (MMXMODE): Add V1DI mode.
276         (mmxvecsize): Change DI mode to V1DI mode.
277         ("mov<mode>): Use MMXMODEI8 mode iterator.
278         ("*mov<mode>_internal_rex64"): Ditto.
279         ("*mov<mode>_internal"): Ditto.
280         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
281         ("mmx_sub<mode>3"): Ditto.
282         ("mmx_adddi3"): Remove insn pattern.
283         ("mmx_subdi3"): Ditto.
284         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
285         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
286         ("mmx_ashl<mode>3"): Ditto.
287         ("mmx_lshrdi3"): Remove insn pattern.
288         ("mmx_ashldi3"): Ditto.
289         * config/i386/i386.c (classify_argument): Handle V1DImode.
290         (function_arg_advance_32): Ditto.
291         (function_arg_32): Ditto.
292         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
293         mmx_addv1di3 insn pattern.
294         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
295         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
296         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
297         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
298         Remove definitions of built-in functions.
299         (V1DI_type_node): New node.
300         (v1di_ftype_v1di_int): Ditto.
301         (v1di_ftype_v1di_v1di): Ditto.
302         (v2si_ftype_v2si_si): Ditto.
303         (v4hi_ftype_v4hi_di): Remove node.
304         (v2si_ftype_v2si_di): Ditto.
305         (ix86_init_mmx_sse_builtins): Handle V1DImode.
306         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
307         Redefine builtins using def_builtin_const with *_ftype_*_int node.
308         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
309         Add new builtins using def_builtin_const.
310         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
311         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
312         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
313         * config/i386/mmintrin.h (__v1di): New typedef.
314         (_mm_add_si64): Cast arguments to __v1di type.
315         (_mm_sub_si64): Ditto.
316         (_mm_sll_pi16): Cast __count to __v4hi type.
317         (_mm_sll_pi32): Cast __count to __v2si type.
318         (_mm_sll_si64): Cast arguments to __v1di type.
319         (_mm_srl_pi16): Cast __count to __v4hi type.
320         (_mm_srl_pi32): Cast __count to __v2si type.
321         (_mm_srl_si64): Cast arguments to __v1di type.
322         (_mm_sra_pi16): Cast __count to __v4hi type.
323         (_mm_sra_pi32): Cast __count to __v2si type.
324         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
325         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
326         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
327         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
328         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
329         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
330         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
331         (_mm_srai_pi32): Use __builtin_ia32_psradi.
332         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
333         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
334         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
335         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
337 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
339         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
341 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
343         PR target/35373
344         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
345         reg+const addressing for Altivec modes.  Don't generate reg+reg
346         addressing for TFmode or TDmode quantities.
348 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
350         * c-common.c (vector_types_convertible_p): Call langhook
351         instead of comptypes.
353 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
355         PR tree-opt/35402
356         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
357         integral and scalar float variables which have a
358         NULL DECL_INITIAL.
360 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
362         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
363         dwarf_register_span hook when emitting unwind information for
364         register-to-memory saves.
365         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
366         (rs6000_frame_related): Remove call to spe_synthesize_frame.
368 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
370         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
371         for the same VAR_DECL.
373 2008-03-06  Tom Tromey  <tromey@redhat.com>
375         * treelang: Delete.
376         * doc/standards.texi (Standards): Don't mention treelang.
377         * doc/invoke.texi (Overall Options): Don't mention treelang.
378         * doc/install.texi (Prerequisites): Don't mention bison or
379         treelang.
380         (Configuration): Don't mention treelang.
381         (Building): Likewise.
382         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
384 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
386         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
387         word-extractions out of a multi-word object.
389 2008-03-06  Richard Guenther  <rguenther@suse.de>
391         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
392         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
393         result type and precision.
394         * expr.c (get_inner_reference): Set unsignedp based on the result
395         type of BIT_FIELD_REF.
396         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
397         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
398         (try_instantiate_multiple_fields): Likewise.  Use the correct type
399         for BIT_FIELD_REF.
400         (sra_build_assignment): Likewise.
401         (sra_build_elt_assignment): Likewise.
402         (sra_explode_bitfield_assignment): Likewise.
403         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
404         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
405         set BIT_FIELD_REF_UNSIGNED.
406         (vectorizable_load): Likewise.
408 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
410         * cse.c (cse_extended_basic_block): Invalidate artificial defs
411         at bb start.
413 2008-03-06  Richard Guenther  <rguenther@suse.de>
415         * alias.c (struct alias_set_entry): Move has_zero_child field
416         to pack with alias_set.
418 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
420         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
421         32bit host.
423 2008-03-05  Ian Lance Taylor  <iant@google.com>
425         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
427 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
429         * fwprop.c (update_df): Support width and offset parameters of
430         df_ref_create.
431         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
432         global_conflicts): Change DF_REF_EXTRACT to either
433         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
434         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
435         * df-scan.c (df_ref_record, df_defs_record,
436         df_ref_create_structure, df_def_record_1, df_uses_record,
437         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
438         df_bb_refs_collect, df_entry_block_defs_collect,
439         df_exit_block_uses_collect): Support new width and offset fields.
440         (ref_extract_pool): New storage pool.
441         (df_free_ref): New function.
442         (df_reg_chain_unlink, df_free_collection_rec,
443         df_sort_and_compress_refs): Call df_free_ref.
444         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
445         of df_ref_extract.
446         (df_ref_create_structure): Allocate df_ref_extract if offset and
447         width fields are used.
448         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
449         (df_uses_record): Get offset and width from ZERO_EXTRACT 
450         and SIGN_EXTRACT.
451         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
452         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
453         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
454         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
455         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
456         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
457         (df_ref_extract): New structure.
458         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
459         (df_ref_create): Add width and offset parameters.
460         
461 2008-03-05  Richard Guenther  <rguenther@suse.de>
463         * tree-ssa-structalias.c (get_constraint_for_component_ref):
464         Use ranges_overlap_p.
465         (offset_overlaps_with_access): Rename
466         to ranges_overlap_p and move ...
467         * tree-flow-inline.h (ranges_overlap_p): ... here.
469         * tree.h (get_inner_reference, handled_component_p): Update
470         comments.
472         * tree.h (record_component_aliases, get_alias_set,
473         alias_sets_conflict_p, alias_sets_must_conflict_p,
474         objects_must_conflict_p): Move declarations ...
475         * alias.h (record_component_aliases, get_alias_set,
476         alias_sets_conflict_p, alias_sets_must_conflict_p,
477         objects_must_conflict_p): ... here.
478         Include coretypes.h.
479         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
481 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
483         * cfg.c: Include tree-flow.h.
484         (remove_edge_raw): Call redirect_edge_var_map_clear.
485         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
486         * tree-flow-inline.h (redirect_edge_var_map_def): New.
487         (redirect_edge_var_map_result): New.
488         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
489         PENDING_STMT use with redirect_edge_var_map_*.
490         * tree-ssa.c (edge_var_maps): New definition.
491         (redirect_edge_var_map_add): New.
492         (redirect_edge_var_map_clear): New.
493         (redirect_edge_var_map_dup): New.
494         (redirect_edge_var_map_vector): New.
495         (redirect_edge_var_map_destroy): New.
496         (ssa_redirect_edge): Replace PENDING_STMT use with
497         redirect_edge_var_map_*.
498         (flush_pending_stmts): Same.
499         (delete_tree_ssa): Destroy edge var map.
500         * tree-flow.h (struct _edge_var_map): New.
501         Define edge_var_map vector type.
502         Declare redirect_edge_var_map_* prototypes.
503         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
504         * tree-cfg.c (reinstall_phi_args): Replace
505         PENDING_STMT use with redirect_edge_var_map_*.
507 2008-03-05  Richard Guenther  <rguenther@suse.de>
509         PR tree-optimization/35472
510         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
511         whose single use_stmt has a overlapping set of loaded and
512         stored symbols as that use_stmt might be a noop assignment then.
514 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
516         * gthr-rtems.h: Implement __gthread_mutex_destroy.
518 2008-03-05  Richard Guenther  <rguenther@suse.de>
520         PR c++/35336
521         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
522         should be constants.
523         * tree-cfg.c (verify_expr): Verify it.
524         * fold-const.c (fold_truthop): Remove code generating
525         BIT_FIELD_REFs of structure bases.
526         (fold_binary): Likewise.
527         (fold_ternary): Position and size of BIT_FIELD_REFs are
528         always host integers.
529         (make_bit_field_ref): Remove.
530         (optimize_bit_field_compare): Remove.
531         (all_ones_mask_p): Remove.
533 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
535         PR gcc/33009
536         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
537         (split_block_and_df_analyze): New. Split basic block and rebuild
538         dataflow.
539         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
540         SPLIT_BLOCK.
541         (split_pattern_seq): Likewise.
542         (erase_matching_seqs): Likewise.
543         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
545 2008-03-04  Geoff Keating  <geoffk@apple.com>
547         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
548         declaration and code.
549         (tree_invalid_nonnegative_warnv_p): Likewise.
551 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
553         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
554         examples.  Truncate option-names then causing overfull hbox.
556 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
558         PR target/35222
559         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
560         on hpux10.
561         * configure: Rebuilt.
563 2008-03-04  Rafael Espindola  <espindola@google.com>
565         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
566         (tree_unary_nonnegative_warnv_p): New.
567         (tree_binary_nonnegative_warnv_p): New.
568         (tree_single_nonnegative_warnv_p): New.
569         (tree_invalid_nonnegative_warnv_p): New.
570         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
572 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
574         PR 28322
575         * opts.c (handle_option): Postpone 'unknown option' errors only for
576         warning options.
578 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
580         PR target/35453
581         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
582         (_SIDD_XXX): This.
584 2008-03-04  Rafael Espindola  <espindola@google.com>
586         * fold-const.c (tree_unary_nonzero_warnv_p): New.
587         (tree_binary_nonzero_warnv_p): New.
588         (tree_single_nonzero_warnv_p): New.
589         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
591 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
593         PR middle-end/35456
594         * fold-const.c (fold_cond_expr_with_comparison): Prevent
595         transformations for modes that have signed zeros.
596         * ifcvt.c (noce_try_abs): Ditto.
598 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
600         * config/i386/i386.c (override_options): Force
601         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
603 2008-03-04  Jan Hubicka  <jh@suse.cz>
605         PR c++/35262
606         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
607         in last commit.
609 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
611         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
612         label to probe the stack.
614 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
616         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
617         (__gthr_win32_mutex_destroy): Declare.
618         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
619         __gthr_win32_mutex_destroy.
620         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
622 2008-03-03  Jan Hubicka  <jh@suse.cz>
624         PR c++/35262
625         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
626         aggressive on inlining cold calls.
628 2008-03-03  Richard Guenther  <rguenther@suse.de>
630         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
631         struct copies into the expression table.
632         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
633         (try_to_simplify): Likewise.
634         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
635         integral and pointer arguments which do not change the
636         precision to NOP_EXPRs.
637         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
638         VIEW_CONVERT_EXPR case.
640 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
642         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
643         defined in a loop at depth 0 is invariant.
644         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
645         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
646         be called at loop depth 0.
648 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
650         PR driver/35420
651         * gcc.c (process_command): Update copyright notice dates.
652         * gcov.c (print_version): Likewise.
653         * gcov-dump.c (print_version): Likewise.
654         * mips-tfile.c (main): Likewise.
655         * mips-tdump.c (main): Likewise.
657 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
659         PR 24924
660         * c-common.c (flag_permissive): Delete.
661         (constant_expression_warnings): Check flags first.
662         (constant_expression_error): New.
663         * c-common.h (flag_permissive): Delete.
664         (constant_expression_error): Declare.
665         * flags.h (flag_permissive): Declare. Update description.
666         * diagnostic.c (pedwarn): Update.
667         (permerror): New.
668         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
669         (permissive_error_kind): New.
670         * toplev.c (flag_permissive): Define. Update description.
671         * toplev.h (permissive_error_kind): Declare.
672         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
673         (pedwarn_c90): Use pedantic_warning_kind.
674         * c-opts.c (c_common_post_options): flag_permissive does not affect
675         flag_pedantic_errors.
677 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
679         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
680         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
681         __absvsi2, __absvDI2): Use unsigned arithmetic.
683 2008-03-02  Andi Kleen  <ak@suse.de>
684             Richard Guenther  <rguenther@suse.de>
686         * struct-equiv.c: Remove file.
687         * cfg_cleanup.c (condjump_equiv_p): Remove.
688         * Makefile.in (OBJS-common): Remove struct-equiv.o.
689         (struct-equiv.o): Remove rule.
690         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
691         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
692         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
694 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
696         * ifcvt.c (noce_process_if_block): Try to handle only the then
697         block if the else block exists but isn't suitable.
699 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
701         PR gcc/35063
702         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
703         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
704         regression from previous patch.
706 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
708         PR gcc/35063
709         * gthr.h: Add __gthread_mutex_destroy as a function that must be
710         implemented.
711         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
712         * gthr-single.h (__gthread_mutex_destroy): Likewise.
713         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
714         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
715         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
716         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
717         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
718         (__gthread_mutex_destroy_function): Rename to
719         __gthread_mutex_destroy.
720         * gthr-dce.h (__gthread_mutex_destroy): Call
721         pthread_mutex_destroy.
722         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
723         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
724         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
726 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
728         * df-scan.c (df_ref_chain_change_bb): Simplify.
729         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
730         set_block_for_insn if there's any change.
731         * df.h ((df_insn_change_bb): Fix prototype.
732         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
733         df_insn_change_bb, don't call set_block_for_insn.
734         * emit-rtl.c (reorder_insns): Likewise.
735         * haifa-sched.c (move_insn): Likewise.
737 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
739         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
741 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
743         * tree-flow-inline.h (next_readonly_imm_use): Return
744         NULL_USE_OPERAND_P after the end.
746 2008-03-01  Richard Guenther  <rguenther@suse.de>
748         PR tree-optimization/35411
749         * tree-sra.c (sra_build_assignment): Split conversion to
750         final type to a separate statement if we are not assigning
751         to a register.
753 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
755         * fold-const.c (fold_convertible_p): Correct the logic to follow
756         that in fold_convert().
758 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
760         PR c++/35315
761         * tree-inline.c (build_duplicate_type): When we make a
762         duplicate type, make it unique in the canonical types system.
764 2008-02-29  Tom Tromey  <tromey@redhat.com>
766         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
767         input_file_stack_history, input_file_stack_restored): Remove.
768         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
769         * input.h (struct file_stack): Remove.
770         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
771         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
772         Likewise.
773         * diagnostic.h (struct diagnostic_context) <last_module>: Change
774         type.
775         (diagnostic_last_module_changed): Add 'map' argument.
776         (diagnostic_set_last_function): Likewise.
777         * diagnostic.c (undiagnostic_report_current_module): Iterate using
778         line map, not input_file_stack.
779         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
781 2008-02-29  Paul Brook  <paul@codesourcery.com>
783         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
785 2008-02-29  Paul Brook  <paul@codesourcery.com>
787         * config/arm/ieee754-df.S (muldf3): Use RET macros.
789 2008-02-29  Richard Guenther  <rguenther@suse.de>
791         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
792         vn_lookup_or_add.
793         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
794         value for comparing for a store match.
795         (simplify_unary_expression): Do nothing for SSA_NAMEs.
796         (try_to_simplify): Do not do a full-blown reference lookup.
798 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
800         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
801         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
803         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
805 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
807         * tree-loop-linear.c (try_interchange_loops): Compare memory access
808         strides against cache sizes.
810 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
812         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
813         constant to fpul.
815 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
817         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
818         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
819         is smaller than the original promoted value.
820         (simplify_subreg): If OP is a SUBREG, try to preserve its
821         SUBREG_PROMOTED_VAR_P information.
823 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
825         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
826         (VN_INFO_GET): Allocate new objects on the obstack.
827         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
828         for rpo_numbers_temp, for consistency.
829         (free_scc_vn): Free the obstack.
831 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
833         * doc/invoke.texi: Document -ftree-loop-distribution.
834         * tree-loop-distribution.c: New.
835         * tree-pass.h (pass_loop_distribution): New.
836         * graphds.h (struct graph): Add htab_t indices.
837         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
838         * tree-vectorizer.c (rename_variables_in_loop): Extern.
839         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
840         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
841         * tree-data-ref.c (debug_data_dependence_relations): New.
842         (dump_data_dependence_relation): Also print data references.
843         (free_data_ref): Extern.
844         (same_access_functions): Moved...
845         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
846         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
847         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
848         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
849         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
850         (stmts_from_loop): Skip LABEL_EXPR.
851         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
852         New.
853         (build_rdg): Initialize rdg->indices htab.
854         (free_rdg, stores_from_loop, ref_base_address,
855         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
856         have_similar_memory_accesses_1, ref_base_address_1,
857         remove_similar_memory_refs): New.
858         * tree-data-ref.h: Depend on tree-chrec.h.
859         (debug_data_dependence_relations, free_data_ref): Declared.
860         (same_access_functions): ... here.
861         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
862         New.
863         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
864         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
865         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
866         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
867         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
868         rdg_vertex_for_stmt): Declared.
869         (struct rdg_edge): Add level.
870         (RDGE_LEVEL): New.
871         (free_rdg, stores_from_loop, remove_similar_memory_refs,
872         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
873         Declared.
874         (rdg_has_similar_memory_accesses): New.
875         * tree-vect-analyze.c: Remove unused static decls.
876         * lambda.h (dependence_level): New.
877         * common.opt (ftree-loop-distribution): New.
878         * tree-flow.h (mark_virtual_ops_in_bb, 
879         slpeel_tree_duplicate_loop_to_edge_cfg,
880         rename_variables_in_loop): Declared.
881         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
882         (OBJS-common): Add tree-loop-distribution.o.
883         (tree-loop-distribution.o): New rule.
884         * tree-cfg.c (mark_virtual_ops_in_bb): New.
885         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
886         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
888 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
890         PR target/33963
891         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
892         other than structures and unions.
894 2008-02-28  Richard Guenther  <rguenther@suse.de>
896         Revert:
897         2008-02-26  Richard Guenther  <rguenther@suse.de>
899         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
900         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
901         (lookup_decl_from_uid): Declare.
902         (remove_decl_from_map): Likewise.
903         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
904         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
905         (decl_for_uid_map): New global hashtable mapping DECL_UID
906         to the decl tree.
907         (init_ttree): Allocate it.
908         (insert_decl_to_uid_decl_map): New helper function.
909         (make_node_stat): Insert new decls into the map.
910         (copy_node_stat): Likewise.
911         (lookup_decl_from_uid): New function.
912         (remove_decl_from_map): Likewise.
913         (print_decl_for_uid_map_statistics): New helper.
914         (dump_tree_statistics): Call it.
916         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
917         (referenced_var_iterator): Adjust.
918         (FOR_EACH_REFERENCED_VAR): Adjust.
919         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
920         (num_referenced_vars): Adjust.
921         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
922         (first_referenced_var): Remove.
923         (end_referenced_vars_p): Likewise.
924         (next_referenced_var): Likewise.
925         (referenced_var_iterator_set): New helper function.
926         * tree-dfa.c (referenced_var_lookup): Adjust.
927         (referenced_var_check_and_insert): Likewise.
928         (remove_referenced_var): Likewise.
929         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
930         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
931         (verify_call_clobbering): Likewise.
932         (verify_memory_partitions): Likewise.
933         (init_tree_ssa): Allocate bitmap instead of hashtable for
934         referenced_vars.
935         (delete_tree_ssa): Adjust.
936         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
937         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
938         (compute_tag_properties): Likewise.
939         (set_initial_properties): Likewise.
940         (find_partition_for): Likewise.
941         (update_reference_counts): Likewise.
942         (dump_may_aliases_for): Likewise.
943         * tree-ssa-operands.c (add_virtual_operand): Likewise.
944         (add_call_clobber_ops): Likewise.
945         (add_call_read_ops): Likewise.
946         (get_asm_expr_operands): Likewise.
947         * tree-into-ssa.c (dump_decl_set): Likewise.
948         (update_ssa): Likewise.
949         * tree-sra.c (scan_function): Likewise.
950         (decide_instantiations): Likewise.
951         (scalarize_parms): Likewise.
952         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
953         (dsa_named_for): Likewise.
954         * tree-ssa-structalias.c (update_alias_info): Likewise.
955         (merge_smts_into): Likewise.
957 2008-02-27  David Daney  <ddaney@avtrex.com>
959         PR target/34409
960         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
961         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
962         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
963         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
964         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
966 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
968         PR target/25477
969         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
970         (BUILT_IN_NEXTTOWARD): Remove.
971         (BUILT_IN_NEXTTOWARDF): Ditto.
972         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
973         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
975 2008-02-27  Tom Tromey  <tromey@redhat.com>
977         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
978         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
980 2008-02-27  Jan Beulich  <jbeulich@novell.com>
982         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
983         update the respective field on newdecl.
985 2008-02-27  Revital Eres  <eres@il.ibm.com>
987         PR rtl-optimization/34999
988         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
989         crossing edges that ends with a call insn.
990         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
991         call insn and clear the EDGE_CROSSING flag of the crossing edge
992         when fixing fallthru edges.
994 2008-02-27  Richard Guenther  <rguenther@suse.de>
996         PR middle-end/35390
997         * fold-const.c (fold_unary): Return the correct argument,
998         converted to the result type.
1000 2008-02-27  Richard Guenther  <rguenther@suse.de>
1002         PR middle-end/34971
1003         * expr.c (expand_expr_real_1): Assert on rotates that operate
1004         on partial modes.
1005         * fold-const.c (fold_binary): Use the types precision, not the
1006         bitsize of the mode if folding rotate expressions.  Build rotates
1007         only for full modes.
1009 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1011         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1012         and CPP_PRAGMA_EOL.
1013         * c-pragma.c (pragma_ns_name): New typedef.
1014         (registered_pp_pragmas): New variable.
1015         (c_pp_lookup_pragma): New function.
1016         (c_register_pragma_1): If flag_preprocess_only, do nothing
1017         for non-expanded pragmas, for expanded ones push pragma's
1018         namespace and name into registered_pp_pragmas vector.
1019         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1020         flag_preprocess_only, don't register GCC pch_preprocess
1021         pragma if flag_preprocess_only.
1022         * c-opts.c (c_common_init): Call init_pragma even if
1023         flag_preprocess_only.
1024         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1025         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1026         cpp_register_pragma if flag_preprocess_only.
1028 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1030         PR c/28800
1031         * c-parser.c (c_parser_translation_unit): Warn for empty
1032         translation unit, not empty source file.
1034 2008-02-26  Paul Brook  <paul@codesourcery.com>
1036         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1037         operand for Thumb-2.
1038         * config/arm/arm.h (reg_class): Add CORE_REGS.
1039         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1040         (BASE_REG_CLASS): Use CORE_REGS.
1041         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1042         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1043         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1044         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1045         ARM_REGNO_OK_FOR_INDEX_P.
1046         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1047         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1048         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1049         (ldm/stm peepholes): Ditto.
1050         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1051         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1052         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1053         * config/arm/constraints.md: Enable "k" constraint on ARM.
1055 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1057         * config/rs6000/rs6000.c: Annotate cache line size field in all
1058         instances of struct processor_costs.
1060 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1062         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1063         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1064         jump_bypass): New counters.
1065         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1066         * dce.c (gate_ud_dce): Same.
1067         (gate_fast_dce): Same.
1068         * dse.c (gate_dse1): New function.
1069         (gate_dse2): New function.
1070         (gate_dse): Merge results of new gate functions.
1071         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1072         (gate_handle_jump_bypass): Add dbg_cnt.
1073         (gate_handle_gcse): Add dbg_cnt.
1074         * ifcvt.c (gate_handle_if_conversion): Same.
1075         (gate_handle_if_after_combine): Same.
1076         (gate_handle_if_after_reload): Same.
1077         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1079 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1081         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1082         line sizes.
1083         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1085 2008-02-26  Jason Merrill  <jason@redhat.com>
1087         PR c++/35315
1088         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1089         alone if it's the naming decl for the type's main variant.
1091 2008-02-26  Tom Tromey  <tromey@redhat.com>
1093         * system.h (USE_MAPPED_LOCATION): Poison.
1094         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1095         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1096         (make_goto_expr_edges): Likewise.
1097         (remove_bb): Likewise.
1098         (execute_warn_function_return): Likewise.
1099         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1100         location_t.
1101         * c-common.c (fname_decl): Remove old location code.
1102         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1103         location code.
1104         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1105         variant.
1106         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1107         (gen_rtx_ASM_INPUT): Likewise.
1108         (gen_rtx_ASM_INPUT_loc): Likewise.
1109         (get_rtx_asm_OPERANDS): Remove.
1110         * cfglayout.c (insn_locators_alloc): Remove old location code.
1111         (set_curr_insn_source_location): Likewise.
1112         (curr_insn_locator): Likewise.
1113         * print-tree.c (print_node): Remove old location code.
1114         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1115         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1116         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1117         location_from_locus.
1118         (construct_exit_block): Remove old location code.
1119         * emit-rtl.c (force_next_line_note): Remove old location code.
1120         * profile.c (branch_prob): Remove old location code.
1121         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1122         LOC_LINE): Remove old-location variants.
1123         * langhooks.c (lhd_print_error_function): Remove old location
1124         code.
1125         * configure, config.in: Rebuilt.
1126         * configure.ac (--enable-mapped-location): Remove.
1127         * c-decl.c (c_init_decl_processing): Remove old location code.
1128         (finish_function): Likewise.
1129         * recog.c (decode_asm_operands): Remove old location code.
1130         * c-pch.c (c_common_read_pch): Remove old location code.
1131         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1132         variants.
1133         * gimple-low.c (lower_function_body): Remove old location code.
1134         * toplev.c (unknown_location): Remove.
1135         (push_srcloc): Remove old-location variant.
1136         (process_options): Remove old location code.
1137         (lang_dependent_init): Likewise.
1138         * input.h (UNKNOWN_LOCATION): Move definition.
1139         (location_t): Undeprecate.
1140         (source_locus): Remove.
1141         (location_from_locus): Remove.
1142         (struct location_s): Remove.
1143         Remove all old-location code.
1144         (input_line, input_filename): Remove.
1145         * final.c (final_scan_insn): Remove old location code.
1146         * diagnostic.c (diagnostic_build_prefix): Remove
1147         USE_MAPPED_LOCATION test.
1148         * tree.h (gimple_stmt) <locus>: Now a location_t.
1149         (tree_exp) <locus>: Likewise.
1150         (DECL_IS_BUILTIN): Remove old-location variant.
1151         (annotate_with_file_line, annotate_with_locus): Likewise.
1152         (expr_locus, set_expr_locus): Update.
1153         * tree.c (build1_stat): Remove old location code.
1154         (last_annotated_node): Remove.
1155         (annotate_with_file_line): Remove old-location variant.
1156         (annotate_with_locus): Likewise.
1157         (expr_location): Remove old location code.
1158         (set_expr_location): Likewise.
1159         (expr_has_location): Likewise.
1160         (expr_locus): Likewise.
1161         (set_expr_locus): Likewise.
1162         (expr_filename): Don't use location_from_locus.
1163         (expr_lineno): Likewise.
1164         * rtl-error.c (location_for_asm): Remove old location code.
1165         * c-lex.c (cb_line_change): Remove old location code.
1166         (fe_file_change): Likewise.
1167         (cb_def_pragma): Likewise.
1168         (c_lex_with_flags): Likewise.
1169         * gengtype.c (do_typedef): Don't special-case location types.
1170         (define_location_structures): Remove.
1171         (main): Don't call define_location_structures.
1172         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1173         code.
1175 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1177         PR 26264
1178         * builtins.def (BUILT_IN_STDARG_START): Remove.
1179         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1180         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1181         * tree-inline.c (inline_forbidden_p_1): Likewise.
1182         
1183 2008-02-26  Richard Guenther  <rguenther@suse.de>
1185         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1186         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1187         (lookup_decl_from_uid): Declare.
1188         (remove_decl_from_map): Likewise.
1189         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1190         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1191         (decl_for_uid_map): New global hashtable mapping DECL_UID
1192         to the decl tree.
1193         (init_ttree): Allocate it.
1194         (insert_decl_to_uid_decl_map): New helper function.
1195         (make_node_stat): Insert new decls into the map.
1196         (copy_node_stat): Likewise.
1197         (lookup_decl_from_uid): New function.
1198         (remove_decl_from_map): Likewise.
1199         (print_decl_for_uid_map_statistics): New helper.
1200         (dump_tree_statistics): Call it.
1202         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1203         (referenced_var_iterator): Adjust.
1204         (FOR_EACH_REFERENCED_VAR): Adjust.
1205         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1206         (num_referenced_vars): Adjust.
1207         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1208         (first_referenced_var): Remove.
1209         (end_referenced_vars_p): Likewise.
1210         (next_referenced_var): Likewise.
1211         (referenced_var_iterator_set): New helper function.
1212         * tree-dfa.c (referenced_var_lookup): Adjust.
1213         (referenced_var_check_and_insert): Likewise.
1214         (remove_referenced_var): Likewise.
1215         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1216         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1217         (verify_call_clobbering): Likewise.
1218         (verify_memory_partitions): Likewise.
1219         (init_tree_ssa): Allocate bitmap instead of hashtable for
1220         referenced_vars.
1221         (delete_tree_ssa): Adjust.
1222         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1223         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1224         (compute_tag_properties): Likewise.
1225         (set_initial_properties): Likewise.
1226         (find_partition_for): Likewise.
1227         (update_reference_counts): Likewise.
1228         (dump_may_aliases_for): Likewise.
1229         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1230         (add_call_clobber_ops): Likewise.
1231         (add_call_read_ops): Likewise.
1232         (get_asm_expr_operands): Likewise.
1233         * tree-into-ssa.c (dump_decl_set): Likewise.
1234         (update_ssa): Likewise.
1235         * tree-sra.c (scan_function): Likewise.
1236         (decide_instantiations): Likewise.
1237         (scalarize_parms): Likewise.
1238         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1239         (dsa_named_for): Likewise.
1240         * tree-ssa-structalias.c (update_alias_info): Likewise.
1241         (merge_smts_into): Likewise.
1243 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1245         PR 34351
1246         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1247         * c-opts.c (c_common_handle_option): Wall enables
1248         Wvolatile-register-var.
1249         * common.opt: Move Wvolatile-register-var to...
1250         * c.opt: ...here.
1251         
1252 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1254         * common.opt (Wlarger-than=): New.
1255         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1256         -Wlarger-than=.
1257         * opts.c (common_handle_option): Handle -Wlarger-than=.
1258         * optc-gen.awk: Likewise.
1259         * opth-gen.awk: Likewise.
1260         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1261         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1262         
1263 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1265         * c-common.c (match_case_to_enum_1): Add appropriate
1266         OPT_W* parameter to warning.
1267         (c_do_switch_warnings): Likewise.
1268         * c-typeck.c (warning_init): Add one more parameter following
1269         'warning' function.
1270         (push_init_level): Update call to warning_init.
1271         (pop_init_level): Likewise.
1272         (add_pending_init): Likewise.
1273         (output_init_element: Likewise.
1275 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1277         PR 28322
1278         * toplev.c (toplev_main): If there are warnings or error, print
1279         errors for ignored options.
1280         * opts.c (ignored_options): New static variable.
1281         (postpone_unknown_option_error): New.
1282         (print_ignored_options): New.
1283         (handle_option): Postpone errors for unknown -Wno-* options.
1284         * opts.h (print_ignored_options): Declare.
1285         
1286 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1288         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1289         to "ghost".
1291 2008-02-25  Richard Guenther  <rguenther@suse.de>
1293         Revert:
1294         2008-02-25  Richard Guenther  <rguenther@suse.de>
1296         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1297         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1298         (lookup_decl_from_uid): Declare.
1299         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1300         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1301         (decl_for_uid_map): New global hashtable mapping DECL_UID
1302         to the decl tree.
1303         (init_ttree): Allocate it.
1304         (insert_decl_to_uid_decl_map): New helper function.
1305         (make_node_stat): Insert new decls into the map.
1306         (copy_node_stat): Likewise.
1307         (lookup_decl_from_uid): New function.
1308         (print_decl_for_uid_map_statistics): New helper.
1309         (dump_tree_statistics): Call it.
1311         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1312         (referenced_var_iterator): Adjust.
1313         (FOR_EACH_REFERENCED_VAR): Adjust.
1314         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1315         (num_referenced_vars): Adjust.
1316         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1317         (first_referenced_var): Remove.
1318         (end_referenced_vars_p): Likewise.
1319         (next_referenced_var): Likewise.
1320         (referenced_var_iterator_set): New helper function.
1321         * tree-dfa.c (referenced_var_lookup): Adjust.
1322         (referenced_var_check_and_insert): Likewise.
1323         (remove_referenced_var): Likewise.
1324         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1325         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1326         (verify_call_clobbering): Likewise.
1327         (verify_memory_partitions): Likewise.
1328         (init_tree_ssa): Allocate bitmap instead of hashtable for
1329         referenced_vars.
1330         (delete_tree_ssa): Adjust.
1331         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1332         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1333         (compute_tag_properties): Likewise.
1334         (set_initial_properties): Likewise.
1335         (find_partition_for): Likewise.
1336         (update_reference_counts): Likewise.
1337         (dump_may_aliases_for): Likewise.
1338         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1339         (add_call_clobber_ops): Likewise.
1340         (add_call_read_ops): Likewise.
1341         (get_asm_expr_operands): Likewise.
1342         * tree-into-ssa.c (dump_decl_set): Likewise.
1343         (update_ssa): Likewise.
1344         * tree-sra.c (scan_function): Likewise.
1345         (decide_instantiations): Likewise.
1346         (scalarize_parms): Likewise.
1347         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1348         (dsa_named_for): Likewise.
1349         * tree-ssa-structalias.c (update_alias_info): Likewise.
1350         (merge_smts_into): Likewise.
1352 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1354         PR fortran/29549
1355         * doc/invoke.texi (-fcx-limited-range): Document new option.
1356         * toplev.c (process_options): Handle -fcx-fortran-rules.
1357         * common.opt: Add documentation for -fcx-fortran-rules.
1359 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1361         PR c/35162
1362         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1363         actual behaviour and C99.
1364         
1365 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1367         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1368         (ASM_CPU_POWER6_SPEC): Likewise.
1369         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1370         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1371         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1373 2008-02-25  Richard Guenther  <rguenther@suse.de>
1375         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1376         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1377         (lookup_decl_from_uid): Declare.
1378         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1379         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1380         (decl_for_uid_map): New global hashtable mapping DECL_UID
1381         to the decl tree.
1382         (init_ttree): Allocate it.
1383         (insert_decl_to_uid_decl_map): New helper function.
1384         (make_node_stat): Insert new decls into the map.
1385         (copy_node_stat): Likewise.
1386         (lookup_decl_from_uid): New function.
1387         (print_decl_for_uid_map_statistics): New helper.
1388         (dump_tree_statistics): Call it.
1390         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1391         (referenced_var_iterator): Adjust.
1392         (FOR_EACH_REFERENCED_VAR): Adjust.
1393         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1394         (num_referenced_vars): Adjust.
1395         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1396         (first_referenced_var): Remove.
1397         (end_referenced_vars_p): Likewise.
1398         (next_referenced_var): Likewise.
1399         (referenced_var_iterator_set): New helper function.
1400         * tree-dfa.c (referenced_var_lookup): Adjust.
1401         (referenced_var_check_and_insert): Likewise.
1402         (remove_referenced_var): Likewise.
1403         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1404         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1405         (verify_call_clobbering): Likewise.
1406         (verify_memory_partitions): Likewise.
1407         (init_tree_ssa): Allocate bitmap instead of hashtable for
1408         referenced_vars.
1409         (delete_tree_ssa): Adjust.
1410         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1411         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1412         (compute_tag_properties): Likewise.
1413         (set_initial_properties): Likewise.
1414         (find_partition_for): Likewise.
1415         (update_reference_counts): Likewise.
1416         (dump_may_aliases_for): Likewise.
1417         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1418         (add_call_clobber_ops): Likewise.
1419         (add_call_read_ops): Likewise.
1420         (get_asm_expr_operands): Likewise.
1421         * tree-into-ssa.c (dump_decl_set): Likewise.
1422         (update_ssa): Likewise.
1423         * tree-sra.c (scan_function): Likewise.
1424         (decide_instantiations): Likewise.
1425         (scalarize_parms): Likewise.
1426         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1427         (dsa_named_for): Likewise.
1428         * tree-ssa-structalias.c (update_alias_info): Likewise.
1429         (merge_smts_into): Likewise.
1431 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1433         PR target/35258
1434         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1435         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1436         * alias.h (nonoverlapping_memrefs_p): Likewise.
1438 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1440         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1441         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1442         __emultls_get_address, __emultls_register_common,
1443         __floatundi?f, and _Unwind_GetIPInfo.
1444         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1445         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1446         (gen_regparm_prefix): Likewise.
1447         (i386_nlm_encode_section_info): Sync with
1448         config/i386/winnt.c:i386_pe_encode_section_info().
1449         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1450         i386_nlm_mangle_decl_assembler_name): New.
1451         (netware_override_options): New.
1452         * config/i386/netware.h (netware_override_options): Declare.
1453         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1454         (i386_nlm_mangle_decl_assembler_name): Declare.
1455         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1457 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1459         PR other/32948
1460         * c-decl.c (grokdeclarator): Remove unused local variables
1461         `typedef_type' and `type_as_written'.
1462         * bb-reorder.c
1463         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1464         unused local variable `has_hot_blocks'.
1465         (fix_crossing_conditional_branches): Remove unused local variable
1466         `prev_bb'.
1467         
1468 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1470         PR middle-end/19984
1471         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1472         using DEF_C99_BUILTIN.
1473         (BUILT_IN_NANF): Ditto.
1474         (BUILT_IN_NANL): Ditto.
1476 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1477             Revital Eres  <eres@il.ibm.com>
1479         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1480         regarding the order of two dependent insns in the same row.
1482 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1484         * stor-layout.c (layout_decl): Do not bump the alignment of a
1485         bit-field to more than byte alignment if it is packed.
1487 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1489         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1490         e300c2 and e300c3.
1492 2008-02-24  Diego Novillo  <dnovillo@google.com>
1494         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1496         PR 33738
1497         * tree-vrp.c (vrp_evaluate_conditional): With
1498         -Wtype-limits, emit a warning when comparing against a
1499         constant outside the natural range of OP0's type.
1500         * c.opt (Wtype-limits): Move ...
1501         * common.opt (Wtype-limits): ... here.
1503 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1505         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1506         * config/rs6000/e300c2c3.md: New file.
1507         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1508         e300c2 and e300c3.
1509         (rs6000_override_options): Add e300c2 and e300c3 cases to
1510         processor_target_table. Do not allow usage of Altivec or Spe
1511         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1512         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1513         * config/rs6000/rs6000.h (processor_type): Add
1514         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1515         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1516         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1517         and ppce300c3. Include e300c2c3.md.
1519 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1521         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1522         instead of TARGET_STRICT_ALIGN.
1524 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1526         * explow.c (memory_address): Assert that the generated address is
1527         valid.
1529 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1531         PR target/25477
1532         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1533         * config/darwin-ppc-ldouble-patch.def: New file.
1534         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1535         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1536         SUBTARGET_INIT_BUILTINS if defined.
1537         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1538         New functions.
1540 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1542         PR rtl-opt/33512
1543         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1544         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1546 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1548         PR pch/35027
1549         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1550         file" warning condtional on -Winvalid-PCH.
1552 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1554         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1556 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1558         PR target/22076
1559         PR target/34256 
1560         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1561         prevent reload from using MMX registers.
1562         (*mov<mode>_internal): Ditto.
1563         (*movv2sf_internal_rex64): Ditto.
1564         (*movv2sf_internal): Ditto.
1566 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1568         PR documentation/31569
1569         * doc/install.texi2html: Use makeinfo --no-number-sections.
1571 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1573         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1574         ensure that we can address an entire entity > 8 bytes.  Don't
1575         generate reg+reg addressing for such data.
1577 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1579         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1580         strings when optimizing for size, unless the target cares about
1581         alignment.
1583 2008-02-22  Tom Tromey  <tromey@redhat.com>
1585         * regclass.c (current_pass): Remove declaration.
1587 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1589         * config/avr/libgcc.S (__RAMPZ__): Define.
1590         (__do_copy_data): Add for devices with 128KB code memory.
1592 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1594         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1595         Use spe_abi.
1596         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1598 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1600         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1601         GENNONACR_REGS.
1603 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1605         PR c/19999
1606         * c-typeck.c (build_binary_op): Warn about floating point
1607         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1609 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1611         PR target/34526
1612         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1613         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1614         add vrsave.
1615         (rs6000_override_options): Set altivec_abi as default, not override,
1616         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1617         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1618         is used; use new member spe_abi.
1619         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1620         spe_abi and altivec_abi.
1622 2008-02-22  Tomas Bily  <tbily@suse.cz>
1624         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1626 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1628         PR bootstrap/35273
1629         * config.build (build_file_translate): Set to `CMD //c' only if
1630         it works.
1631         * Makefile.in (build_file_translate): Improve comment.
1633 2008-02-21  Jan Hubicka  <jh@suse.cz>
1635         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1636         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1637         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1639 2008-02-21  Michael Matz  <matz@suse.de>
1641         PR target/35264
1642         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1644 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1646         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1647         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1648         as insn constraint.
1649         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1650         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1651         SSE_VEC_FLOAT_MODE_P as insn constraint.
1652         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1653         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1654         sse4a_movntdf using MODEF mode iterator.
1655         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1656         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1657         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1658         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1659         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1660         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1661         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1663 2008-02-21  Richard Guenther  <rguenther@suse.de>
1665         * tree.def (PAREN_EXPR): New tree code.
1666         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1667         and PAREN_EXPR.
1668         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1669         * expr.c (expand_expr_real_1): Likewise.
1670         * tree-inline.c (estimate_num_insns_1): Likewise.
1671         * tree-complex.c (expand_complex_move): Likewise.
1672         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1673         as plain x.
1675 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1677         PR target/35225
1678         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1680 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1682         PR target/35190
1683         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1685         * config/sh/sh.c (find_barrier): Don't go past
1686         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1688 2008-02-20  DJ Delorie  <dj@redhat.com>
1690         * config/h8300/h8300.md (insv): Force source operand to be a register.
1692         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1693         as a jump, not as a plain insn.
1694         
1695 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1697         * doc/invoke.texi (Warning Options): Add new option
1698         -Wframe-larger-than=.
1699         (-Wframe-larger-than): Document.
1701         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1702         Add declarations for new option variables.
1704         * final.c (final_start_function): Check the frame size
1705         before emission and issue a Wframe-larger-than warning.
1707         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1708         Add definitions for new option variables.
1709         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1711         * common.opt (Wframe-larger-than=): New option.
1713 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1715         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1716         (<sse>_div<mode>3): Ditto.
1717         (<sse>_vmdiv<mode>3): Ditto.
1718         (<sse>_vmsqrt<mode>2): Ditto.
1719         (*smax<mode>3): Ditto.
1720         (sse5_frcz<mode>2): Ditto.
1721         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1722         as insn constraint.
1724 2008-02-20  Richard Guenther  <rguenther@suse.de>
1726         PR middle-end/35265
1727         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1728         be happy with INTEGRAL_TYPE_P.
1730 2008-02-20  Richard Guenther  <rguenther@suse.de>
1732         * fold-const.c (split_tree): Associate floatig-point expressions
1733         if flag_associative_math is set.
1735 2008-02-20  Richard Guenther  <rguenther@suse.de>
1737         * tree.h (fold_real_zero_addition_p): Declare.
1738         * fold-const.c (fold_real_zero_addition_p): Export.
1739         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1740         floating-point operations with zero and one.
1742 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1744         * doc/install.texi: Correct references to CFLAGS, replacing them
1745         with BOOT_CFLAGS.  Document flags used during bootstrap for
1746         target libraries.
1747                                 
1748 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1750         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1751         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1752         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1753         insn constraint.
1754         (smin<mode>3): Ditto from similar patterns.
1755         (smax<mode>3): Ditto.
1756         (*ieee_smin<mode>3): Ditto.
1757         (*ieee_smax<mode>3): Ditto.
1758         * config/i386/sse.md (sse): New mode attribute.
1759         (mov<mode>): Macroize expander from movv4sf and movv2df using
1760         SSEMODEF2P mode iterator.
1761         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1762         SSE_VEC_FLOAT_MODE_P as insn constraint.
1763         (storent<mode>): Ditto.
1764         (storent<mode>): Macroize expander from storentsf and storentdf using
1765         MODEF mode iterator.
1766         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1767         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1768         (abs<mode>2): Ditto from similar patterns.
1769         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1770         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1771         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1772         (<sse>_vmsqrt<mode>2): Ditto.
1773         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1774         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1775         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1776         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1777         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1778         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1779         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1780         insn constraint.
1781         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1782         iterator and SSE_FLOAT_MODE_P as insn constraint.
1783         (<sse>_ucomi): Ditto from similar patterns.
1784         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1785         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1786         SSE_VEC_FLOAT_MODE_P as insn constraint.
1787         (vcond<mode>): Ditto from similar patterns.
1788         (and<mode>3, *and<mode>3): Ditto.
1789         (<sse>_nand<mode>3): Ditto.
1790         (ior<mode>3, *ior<mode>3): Ditto.
1791         (xor<mode>3, *xor<mode>3): Ditto.
1792         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1793         iterator and SSE_FLOAT_MODE_P as insn constraint.
1794         (*nand<mode>3): Ditto from similar patterns.
1795         (*ior<mode>3): Ditto.
1796         (*xor<mode>3): Ditto.
1798 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1800         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1801         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1802         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1804 2008-02-19  Jan Hubicka  <jh@suse.cz>
1806         * predict.c (tree_bb_level_predictions): Remove variable next
1807         mistakely introduced by previous commit.
1809 2008-02-19  Jan Hubicka  <jh@suse.cz>
1811         * predict.c (predict_paths_leading_to): Rewrite.
1812         (predict_paths_for_bb): New.
1813         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1815 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1817         PR bootstrap/35218
1818         * Makefile.in (build_file_translate): New.
1819         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1820         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1821         * configure.ac (build_file_translate): Substitute it.
1822         * configure: Regenerate.
1824 2008-02-19  Jan Hubicka  <jh@suse.cz>
1826         PR rtl-optimization/34408
1827         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1828         invalid sharing.
1830 2008-02-19  Jan Hubicka  <jh@suse.cz>
1832         PR middle-end/28779
1833         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1834         call_expr.
1836 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1838         PR Ada/35186
1839         * config/i386/i386-modes.def: Revert the last DI alignment
1840         change until Ada people can look into it.
1842 2008-02-19  Nick Clifton  <nickc@redhat.com>
1844         * opts.c (print_specific_help): Fix typo in --help text.
1846 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1848         PR target/35239
1849         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1850         32-bit inline asm without asm alternatives for host GCC < 3.0.
1852 2008-02-19  Richard Guenther  <rguenther@suse.de>
1854         PR tree-optimization/34989
1855         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1856         Allow propagation to INDIRECT_REF if we can simplify only.
1858 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1860         * c-common.c (warn_for_collisions_1): Use appropriate option when
1861         warning.
1863 2008-02-19  Nick Clifton  <nickc@redhat.com>
1865         PR other/31349
1866         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1867         (handle_options): Fix indentation.
1868         (print_filtered_help): If no language-specific options were
1869         displayed tell the user how to list all the options supported by
1870         the language's front-end.
1871         (print_specific_help): Fix indentation and remove duplicate line.
1872         (common_handle_option): Handle the -v option.
1873         For --help enable the display of undocumented options if the -v
1874         switch has been included on the command line.
1875         For --help= check for overlaps in the arguments between the option
1876         classes and the language names and issue a warning when they
1877         cannot be disambiguated.
1878         * c.opt (v): Pass on to the common option handler.
1880 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1882         * modulo-sched.c (sms_schedule): Change dump message when
1883         create_ddg function fails.
1884         (try_scheduling_node_in_cycle): Rename row to cycle.
1885         (print_partial_schedule): Rename CYCLE to ROW.
1887 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1888             Zdenek Dvorak  <ook@ucw.cz>
1890         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1892 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1894         PR target/33555
1895         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1896         (*x86_movdicc_0_m1_se): Ditto.
1898 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1900         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1901         (CMPtype): Define as __gcc_CMPtype.
1902         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1903         (CMPtype): Define as __gcc_CMPtype.
1905 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1907         Support valgrind 3.3 for --enable-checking=valgrind.
1908         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1909         here.
1910         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1911         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1912         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1913         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1914         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1915         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1916         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1917         respectively.
1918         * ggc-zone.c: Similar.
1919         * ggc-page.c: Similar.
1921 2008-02-19  Paul Brook  <paul@codesourcery.com>
1923         PR target/35071
1924         * config/arm/ieee754-df.S: Fix do_it typo.
1925         * config/arm/ieee754-sf.S: Fix do_it typo.
1927 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1929         PR target/35189
1930         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1931         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1932         (OPTION_MASK_ISA_SSE_SET): Likewise.
1933         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1934         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1935         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1936         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1937         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1938         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1939         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1940         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1941         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1942         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1943         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1944         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1945         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1946         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1947         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1948         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1949         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1950         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1951         (OPTION_MASK_ISA_SSE4): Removed.
1952         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1953         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
1954         (override_options): Don't turn on implied SSE/MMX bits in
1955         ix86_isa_flags.
1957 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1959         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1960         32bit host.
1962 2008-02-18  Joey Ye  <joey.ye@intel.com>
1964         PR middle-end/34921
1965         * tree-nested.c (insert_field_into_struct): Set type alignment
1966         to field alignment if the former is less than the latter.
1968 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1970         * BASE-VER: Set to 4.4.0.
1972 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1974         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1975         * doc/cfg.texi: Likewise.
1976         * doc/extend.texi: Likewise.
1977         * doc/gty.texi: Likewise.
1978         * doc/invoke.texi: Likewise.
1979         * doc/loop.texi: Likewise.
1980         * doc/md.texi: Likewise.
1981         * doc/passes.texi: Likewise.
1982         * doc/rtl.texi: Likewise.
1983         * doc/sourcebuild.texi: Likewise.
1984         * doc/tm.texi: Likewise.
1985         * doc/tree-ssa.texi: Likewise.
1987 2008-02-17  Richard Guenther  <rguenther@suse.de>
1989         PR middle-end/35227
1990         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1991         without default definition.
1993 2008-02-17  Richard Guenther  <rguenther@suse.de>
1995         PR tree-optimization/35231
1996         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1997         if A | B != 1.
1999 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2001         Revert:
2003         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2004         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2005         libgcc_cmp_return mode.
2007 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2009         PR c/28368
2010         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2012 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2014         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2015         multilibs.
2017 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2019         * doc/c-tree.texi: Use `@.' where appropriate.
2020         * doc/extend.texi: Likewise.
2021         * doc/install.texi: Likewise.
2022         * doc/invoke.texi: Likewise.
2023         * doc/loop.texi: Likewise.
2024         * doc/makefile.texi: Likewise.
2025         * doc/md.texi: Likewise.
2026         * doc/passes.texi: Likewise.
2027         * doc/standards.texi: Likewise.
2028         * doc/tm.texi: Likewise.
2030 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2032         PR middle-end/35196
2033         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2034         in entry_bb.
2035         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2036         rather than in entry_bb.
2038 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2040         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2041         libgcc_cmp_return mode.
2043 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2045         PR middle-end/35130
2046         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2047         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2049 2008-02-15  Richard Guenther  <rguenther@suse.de>
2050             Zdenek Dvorak  <ook@ucw.cz>
2052         PR tree-optimization/35164
2053         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2054         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2055         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2056         Only propagate addresses which do not have abnormal SSA_NAMEs
2057         in their operands.
2059 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2061         PR target/35088
2062         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2064 2008-02-15  Jan Hubicka  <jh@suse.cz>
2066         PR middle-end/35149
2067         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2069 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2071         PR middle-end/34621
2072         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2073         when calculating alignment_pad.
2075 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2077         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2078         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2079         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2080         and STACK_BOUNDARY define.
2082 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2084         PR preprocessor/35061
2085         * c-pragma.c (handle_pragma_pop_macro): Check that
2086         pushed_macro_table has been allocated.
2088 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2090         PR middle-end/35136
2091         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2092         (force_gimple_operand): Likewise.
2093         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2094         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2095         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2096         (find_interesting_uses_address): Check addressability and alignment
2097         of the base expression only after substituting bases of IVs into it.
2099 2008-02-14  Michael Matz  <matz@suse.de>
2101         PR target/34930
2102         * function.c (instantiate_virtual_regs_in_insn): Reload address
2103         before falling back to reloading the whole operand.
2105 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2107         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2108         before the first section switch note.
2110 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2112         * doc/bugreport.texi: Update copyright years.
2113         * doc/c-tree.texi: Likewise.
2114         * doc/cfg.texi: Likewise.
2115         * doc/cpp.texi: Likewise.
2116         * doc/cppinternals.texi: Likewise.
2117         * doc/fragments.texi: Likewise.
2118         * doc/frontends.texi: Likewise.
2119         * doc/gcc.texi: Likewise.
2120         * doc/gty.texi: Likewise.
2121         * doc/hostconfig.texi: Likewise.
2122         * doc/implement-c.texi: Likewise.
2123         * doc/libgcc.texi: Likewise.
2124         * doc/loop.texi: Likewise.
2125         * doc/makefile.texi: Likewise.
2126         * doc/options.texi: Likewise.
2127         * doc/passes.texi: Likewise.
2128         * doc/rtl.texi: Likewise.
2129         * doc/sourcebuild.texi: Likewise.
2130         * doc/standards.texi: Likewise.
2131         * doc/tree-ssa.texi: Likewise.
2132         * doc/trouble.texi: Likewise.
2134         * doc/extend.texi: Use @: or add comma where appropriate.
2135         * doc/invoke.texi: Likewise.
2136         * doc/tm.texi: Likewise.
2138 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2140         PR target/34393
2141         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2142         to a reg.
2144 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2146         * doc/md.texi (clz, ctz): Add reference.
2147         * doc/rtl.texi (clz, ctz): Likewise.
2149 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2151         PR other/35148
2152         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2153         srcdir.
2155 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2157         * config/s390/s390.c (struct constant_pool): New field
2158         emit_pool_after added.
2159         (s390_mainpool_start): Set the emit_pool_after flag according
2160         to the section switch notes.
2161         (s390_mainpool_finish): Consider emit_pool_after when emitting
2162         the literal pool at the end of the function.
2163         (s390_chunkify_start): Force literal pool splits at section
2164         switch notes.
2166 2008-02-13  Michael Matz  <matz@suse.de>
2168         PR debug/35065
2169         * var-tracking.c (clobber_variable_part): Correctly traverse the
2170         list.
2172 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2174         PR 29673
2175         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2176         Add -fdump-ipa-inline.
2177         * tree-dump.c (dump_files): Remove tree-inlined dump.
2178         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2179         
2180 2008-02-12  Richard Guenther  <rguenther@suse.de>
2182         PR tree-optimization/35171
2183         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2184         default defs.
2186 2008-02-12  Richard Guenther  <rguenther@suse.de>
2188         PR middle-end/35163
2189         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2190         value-preserving mode.  Disallow final truncation.
2192 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2194         PR middle-end/35136
2195         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2196         code from here to...
2197         (force_gimple_operand): ...here.
2199 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2201         PR c++/35144
2202         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2203         non-compatible pointers.
2204         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2205         different FIELD_DECLs, try harder by comparing field offsets, sizes
2206         and types.
2208         PR inline-asm/35160
2209         * function.c (match_asm_constraints_1): Don't replace the same input
2210         multiple times.
2212 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2214         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2215         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2216         (expand_epilogue): Restore RAMPZ register.
2217         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2219 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2221         * config/i386/cygwin.asm: (__alloca): Correct calling
2222         convention and alignment.
2223         (__chkstk): Force 8 byte stack alignment.
2225 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2226             Richard Guenther  <rguenther@suse.de>
2228         PR tree-optimization/33992
2229         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2230         the zero we compare against.
2232 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2234         PR libfortran/35063
2235         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2236         to CloseHandle after unlocking to prevent accumulation of handle
2237         count.
2239 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2241         PR middle_end/34150
2242         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2243         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2244         and update LABEL_NUSES during and after reload.
2246 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2248         PR middle-end/34627
2249         * combine.c (simplify_if_then_else): Make sure the comparison is
2250         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2252 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2254         PR bootstrap/35051
2255         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2256         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2257         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2258         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2259         * tree.h (get_type_static_bounds): Likewise.
2261 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2263         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2264         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2265         Make -Wfoo language annotations match what the compiler outputs.
2267 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2269         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2270         intrinsics spu_convts, spu_convtu, spu_convtf.
2271         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2273 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2275         * doc/extend.texi (Function Attributes) <noinline>: Mention
2276         asm ("") as method to keep calls.
2278 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2280         PR other/32754
2281         * doc/options.texi (Options): Replace references to opts.sh with
2282         optc-gen.awk.
2283         * opts-common.c: Likewise.
2284         * optc-gen.awk: Likewise.
2285         
2286 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2288         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2290 2008-02-07  Richard Henderson  <rth@redhat.com>
2292         PR rtl-opt/33410
2293         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2294         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2295         funny mode.
2297 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2299         PR tree-optimization/35085
2300         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2301         for operand entry oe2 in addition to operand entry oe3 in order to
2302         expose more opportunities for vectorizer sum reduction.
2304 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2306         PR other/35107
2307         * Makefile.in (LIBS): Remove $(GMPLIBS).
2308         (cc1-dummy, cc1): Add $(GMPLIBS).
2310 2008-02-06  Jan Hubicka  <jh@suse.cz>
2312         PR target/23322
2313         * i386.md (moddf_integer): Do not produce partial memory stalls for
2314         targets where it hurts.
2316 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2318         PR target/35083
2319         * optabs.c (expand_float): Do not check for decimal modes when
2320         expanding unsigned integer through signed conversion.
2322 2008-02-06  Nick Clifton  <nickc@redhat.com>
2324         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2325         inside the clobber with a match_operand and duplicated operand
2326         number in the constraint.
2327         (ineqbranchsi): Delete redundant comment.
2329 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2331         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2332         builtin_define ("__USE_INIT_FINI__").
2333         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2334         -msx multilibs.
2335         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2337 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2339         PR documentation/30330
2340         * doc/invoke.texi (C++ Dialect Options)
2341         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2342         For each warning option -Wfoo that allows -Wno-foo, ensure both
2343         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2344         entry of -Wswitch-default, index -Wnormalized= including the
2345         `=', and -Wlarger-than-@var{len} including @var{len}.
2347 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2349         * config/i386/i386.md (floatunssisf2): Use
2350         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2351         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2352         Macroize expander using MODEF mode iterator.
2354 2008-02-05  Diego Novillo  <dnovillo@google.com>
2356         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2358         PR 33738
2359         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2361 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2363         PR other/35070
2364         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2366 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2368         PR target/35084
2369         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2370         to indicate if a message should be generated.
2371         (init_cumulative_args): Updated.
2372         (function_value_32): Likewise.
2374 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2376         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2378 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2380         PR target/35083
2381         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2382         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2384 2008-02-04  Diego Novillo  <dnovillo@google.com>
2386         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2388         PR 33738
2389         * tree-vrp.c (vrp_evaluate_conditional): With
2390         -Wtype-limits, emit a warning when comparing against a
2391         constant outside the natural range of OP0's type.
2393 2008-02-04  Richard Guenther  <rguenther@suse.de>
2395         PR middle-end/33631
2396         * expr.c (count_type_elements): Give for unions instead of
2397         guessing.
2399 2008-02-04  Richard Guenther  <rguenther@suse.de>
2401         PR middle-end/35043
2402         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2403         to TYPE_DOMAINs base type instead of using bitsizetype here.
2405 2008-02-03  Jason Merrill  <jason@redhat.com>
2407         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2409 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2411         PR other/29972
2412         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2413         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2414         (RS/6000 and PowerPC Options): Fix typos and markup.
2415         * doc/passes.texi (Tree-SSA passes): Likewise.
2417 2008-02-02  Michael Matz  <matz@suse.de>
2419         PR target/35045
2420         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2421         from record_last_reg_set_info.
2422         (record_last_reg_set_info): Take an RTX argument, iterate over all
2423         constituent hardregs.
2424         (record_last_set_info, record_opr_changes): Change calls to
2425         new signature or to record_last_reg_set_info_regno.
2427 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2429         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2431 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2433         PR rtl-optimization/34773
2434         * reg-notes.def (EQUAL): Mention significance of combination of
2435         REG_EQUAL and REG_RETVAL.
2436         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2437         insn that has a REG_RETVAL.
2439 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2441         PR bootstrap/33781
2442         * configure.ac (--enable-fixed-point): Disable unless explicitly
2443         requested on IRIX.
2444         * configure: Regenerate.
2446 2008-02-01  Richard Guenther  <rguenther@suse.de>
2448         PR other/35042
2449         * invoke.texi (-finline-limit): Remove no longer true parts
2450         of the documentation.  Note that there is no default value.
2452 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2453             Mark Mitchell  <mark@codesourcery.com>
2454             Ben Elliston  <bje@au.ibm.com>
2456         PR c/29326
2457         * doc/extend.texi (Other Builtins): Document.
2459 2008-01-31  Tom Browder <tom.browder@gmail.com>
2461         * doc/c-tree.texi (Types): Fix grammar.
2462         (Expression trees): Ditto.
2463         * doc/passes.texi (Tree-SSA passes): Ditto.
2464         
2465         * doc/configterms.texi (Configure Terms): Fix typo.
2466         * doc/cpp.texi (Common Predefined Macros): Ditto.
2467         * doc/md.texi (Machine Constraints): Ditto.
2468         
2469         * doc/makefile.texi (Makefile): Add comma.
2471 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2472             Gerald Pfeifer  <gerald@pfeifer.com>
2473         
2474         * doc/sourcebuild.texi (Front End): Remove references to CVS
2475         and CVSROOT/modules.
2476         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2477         (Back End): Remove reference to CVS.
2479 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2481         PR target/34900
2482         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2483         comment from...
2484         (mips16_gp_pseudo_reg): ...here.
2485         * config/mips/mips.md (load_const_gp): Replace with...
2486         (load_const_gp_<mode>): ...this :P-based insn.
2488 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2490         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2491         options. Minor fixes.
2492         (-std): Move reference to standards closer to where language
2493         standards are first mentioned.
2494         
2495 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2497         PR rtl-optimization/34995
2498         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2499         parameter and return a bool.  If the rtx parameter is nonnull,
2500         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2501         (find_reloads): Update call accordingly.  Pass the new operand
2502         if it needed no address reloads, otherwise pass null.
2504 2008-01-30  Richard Henderson  <rth@redhat.com>
2506         PR c/34993
2507         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2508         for unbounded arrays.
2510 2008-01-30  Silvius Rus  <rus@google.com>
2512         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2514 2008-01-30  Jan Hubicka  <jh@suse.cz>
2516         PR target/34982
2517         * i386.c (init_cumulative_args): Use real function declaration when
2518         calling locally.
2520 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2522         PR rtl-optimization/34998
2523         * global.c (build_insn_chain): Treat non-subreg_lowpart
2524         SUBREGs of pseudos as clobbering all the words covered by the
2525         SUBREG, not just all the bytes.
2526         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2527         original df_ref rather than an extract parameter.
2528         (global_conflicts): Update call accordingly.
2530 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2532         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2533         the overflow check to make it easier to read.
2534         (__fixtfdi): Change the type of the ll member in union
2535         long_double to UDItype_x.
2537 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2539         PR middle-end/34969
2540         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2541         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2542         * tree-inline.c (fold_marked_statements): Call
2543         cgraph_update_edges_for_call_stmt if folding a call statement.
2544         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2545         debug_generic_stmt calls, reset it back afterwards.
2547         PR c/35017
2548         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2549         static decls.
2550         * c-typeck.c (build_external_ref): Don't pedwarn about
2551         static vars in current function's scope.
2553 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2555         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2557 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2559         PR c/35002
2560         * ipa-struct-reorg.c: Fix spelling.
2561         * params.def: Ditto.
2563 2008-01-29  Richard Guenther  <rguenther@suse.de>
2565         PR middle-end/35006
2566         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2567         field.
2568         * tree-inline.c (remap_type): Increment remapping_type_depth
2569         around remapping types.
2570         (copy_body_r): Only add referenced variables if they are referenced
2571         from code, not types.
2573 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2575         PR c++/34055
2576         PR c++/34103
2577         PR c++/34219
2578         PR c++/34606
2579         PR c++/34753
2580         PR c++/34754
2581         PR c++/34755
2582         PR c++/34919
2583         PR c++/34961
2584         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2585         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2587 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2589         PR target/34412
2590         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2591         pointer for tiny stack.
2593 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2595         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2597 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2599         * config/vx-common.h: Fix typo in comment.
2601 2008-01-28  Ian Lance Taylor  <iant@google.com>
2603         PR c++/34862
2604         PR c++/33407
2605         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2606         coalesce pointers if they have different DECL_NO_TBAA_P values.
2607         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2608         between variables with different DECL_NO_TBAA_P values.
2610 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2612         PR 31535
2613         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2614         are not legitimate small data references on SPE targets.
2616 2008-01-28  David Daney  <ddaney@avtrex.com>
2618         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2620 2008-01-28  David Daney  <ddaney@avtrex.com>
2622         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2624 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2626         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2627         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2628         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2629         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2630         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2631         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2632         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2633         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2635 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2637         * basic-block.h (condjump_equiv_p): Fix comment.
2639 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2641         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2642         print_generic_stmt_indented): Fix comment.
2644 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2646         * configure.ac (__stack_chk_fail): Add detecion for availability
2647         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2648         * configure: Regenerate.
2650 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2652         PR middle-end/34688
2653         * final.c (output_addr_const): Handle TRUNCATE.
2655 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2657         PR target/34711
2658         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2659         (zero_cost, infinite_cost): New constants.
2660         (struct cost_pair): Change type of cost to comp_cost.
2661         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2662         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2663         New functions.
2664         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2665         split_address_cost, ptr_difference_cost, difference_cost,
2666         get_computation_cost_at, get_computation_cost,
2667         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2668         determine_use_iv_cost_condition, determine_use_iv_costs,
2669         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2670         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2671         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2672         Change type of cost to comp_cost.
2673         (determine_iv_cost): Increase cost of non-original ivs, instead
2674         of decreasing the cost of original ones.
2675         (get_address_cost): Indicate the complexity of the addressing mode 
2676         in comp_cost.
2677         (try_add_cand_for): Prefer using ivs not specific to some object.
2678         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2680 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2681             Janis Johnson  <janis187@us.ibm.com>
2683         PR target/34814
2684         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2685         (TARGET_INSTANTIATE_DECLS): Likewise.
2686         * target.h (expand_to_rtl_hook): New target hook.
2687         (instantiate_decls): Likewise.
2688         * function.c (instantiate_decl): Make non-static.  Rename to...
2689         (instantiate_decl_rtl): ... this.
2690         (instantiate_expr): Use instantiate_decl_rtl.
2691         (instantiate_decls_1): Likewise.
2692         (instantiate_decls): Likewise.
2693         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2694         * function.h (instantiate_decl_rtl): Add prototype.
2695         * cfgexpand.c (target.h): New include.
2696         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2697         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2698         (TARGET_INSTANTIATE_DECLS): Likewise.
2699         (TARGET_INITIALIZER): New target hooks added.
2700         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2701         New prototype.
2702         * config/rs6000/rs6000.c (tree-flow.h): New include.
2703         (machine_function): Add sdmode_stack_slot field.
2704         (rs6000_alloc_sdmode_stack_slot): New function.
2705         (rs6000_instantiate_decls): Likewise.
2706         (rs6000_secondary_memory_needed_rtx): Likewise.
2707         (rs6000_check_sdmode): Likewise.
2708         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2709         (TARGET_INSTANTIATE_DECLS): Likewise.
2710         (rs6000_hard_regno_mode_ok): Allow SDmode.
2711         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2712         (rs6000_emit_move): Handle SDmode.
2713         (function_arg_advance): Likewise.
2714         (function_arg): Likewise.
2715         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2716         SDmode var args for 32-bit compiles.
2717         (rs6000_secondary_reload_class): Handle SDmode.
2718         (rs6000_output_function_epilogue): Likewise.
2719         (rs6000_function_value): Simplify if statement.
2720         (rs6000_libcall_value): Likewise.
2721         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2722         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2723         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2724         (movsd_hardfloat): New define_insn.
2725         (movsd_softfloat): Likewise.
2726         (movsd_store): Likewise.
2727         (movsd_load): Likewise.
2728         (extendsddd2): Likewise.
2729         (extendsdtd2): Likewise.
2730         (truncddsd2): Likewise.
2731         (movdd_hardfloat64): Fixup comment.
2732         (UNSPEC_MOVSD_LOAD): New constant.
2733         (UNSPEC_MOVSD_STORE): Likewise.
2735 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2737         PR c++/34965
2738         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2739         TRUTH_XOR_EXPR.
2740         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2741         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2742         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2743         and TRUTH_XOR_EXPR.
2745 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2747         PR target/34794
2748         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2749         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2750         __LONGDOUBLE128 too.
2751         * config/rs6000/aix61.h: New file.
2753 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2755         PR rtl-optimization/34959
2756         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2757         popcount and parity rtxes the same mode as their operand.
2758         Truncate or extend the result to the return value's mode
2759         if necessary.
2761 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2763         PR target/34981
2764         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2765         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2766         to GOT_VERSION_REGNUM.
2767         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2768         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2769         * config/mips/mips.c (mips_emit_call_insn): New function.
2770         (mips_call_tls_get_addr): Call mips_expand_call directly.
2771         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2772         emit_call_insn.
2773         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2774         (mips_expand_call): Update the call to mips16_build_call_stub
2775         accordingly and a remove redundant condition.  Assert that MIPS16
2776         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2777         the call insn.
2778         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2779         TARGET_USE_GOT.
2780         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2781         (mips_avoid_hazard): Remove hazard_set handling.
2782         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2783         (UNSPEC_RESTORE_GP): ...this.
2784         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2785         (FAKE_CALL_REGNO): Rename to...
2786         (GOT_VERSION_REGNUM): ...this.
2787         (type): Add "ghost" value.  Add an associated insn reservation.
2788         (hazard_set): Remove.
2789         (exception_receiver): Rename to...
2790         (restore_gp): ...this and update the unspec identifier accordingly.
2791         (exception_receiver, nonlocal_got_receiver): New expanders.
2792         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2793         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2794         (set_got_version, update_got_version): New patterns.
2796 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2798         PR target/34970
2799         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2801 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2803         PR other/31955
2804         * doc/install.texi2html: Generate gcc-vers.texi.
2806 2008-01-25  DJ Delorie  <dj@redhat.com>
2808         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2810 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2812         * config/c4x: Remove directory.
2813         * config.gcc (crx-*, mt-*): Mark obsolete.
2814         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2815         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2816         sh-*-rtemscoff*): Remove cases.
2817         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2818         * real.c (encode_c4x_single, decode_c4x_single,
2819         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2820         c4x_extended_format): Remove.
2821         * real.h (c4x_single_format, c4x_extended_format): Remove.
2822         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2823         on C4x.
2824         (Pragmas): Remove comment about c4x pragmas.
2825         * doc/install.texi (c4x): Remove target-specific instructions.
2826         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2827         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2828         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2829         refer to C4x source files as examples.
2830         (C4X_FLOAT_FORMAT): Remove documentation.
2832 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2834         * config/bfin/bfin.c (override_options): Reorder tests so that
2835         flag_pic gets enabled for -msep-data.
2837 2008-01-25  Richard Guenther  <rguenther@suse.de>
2839         PR middle-end/32244
2840         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2841         to its bitfield precision if required.
2843 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2845         PR middle-end/33880
2846         * tree-nested.c (walk_omp_for): New function.
2847         (convert_nonlocal_reference, convert_local_reference): Call
2848         walk_omp_for on OMP_FOR.
2849         (convert_call_expr): Call walk_body on OMP_FOR's
2850         OMP_FOR_PRE_INIT_BODY.
2852 2008-01-25  Richard Guenther  <rguenther@suse.de>
2854         PR tree-optimization/34966
2855         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2856         default defs and PHI_NODEs we have to insert after the
2857         defining statement.
2859 2008-01-24  Nick Clifton  <nickc@redhat.com>
2861         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2862         Provide a default definition.
2863         (LIBGCC2_UNITS_PER_WORD): Likewise.
2865         * config/stormy16/stormy16.c: Include df.h for the prototype
2866         for df_regs_ever_live_p.
2867         (xstormy16_expand_builtin_va_start): Convert the stack offset
2868         into a component_ref and then use POINTER_PLUS_EXPR to add it
2869         to the incoming_virtual_args_rtx.
2870         (xstormy16_gimplify_va_arg_expr): Rename to
2871         xstormy16_gimplify_va_arg_expr.
2872         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2873         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2874         xstormy16_gimplify_va_arg_expr.
2875         Fix up some formatting issues.
2877         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2878         Move to predicates.md.
2879         (xs_hi_general_operand): Likewise.
2880         (xs_hi_nonmemory_operand): Likewise.
2881         * config/stormy16/predicates.md:
2882         (xstormy16_carry_plus_operand): New predicate.
2883         (xs_hi_general_operand): New predicate.
2884         (xs_hi_nonmemory_operand): New predicate.
2885         * config/stormy16/stormy16-protos.h:
2886         (xstormy16_carry_plus_operand): Delete prototype.
2887         (xs_hi_general_operand): Likewise.
2888         (xs_hi_nonmemory_operand): Likewise.
2890         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2891         modifiers as they are no longer needed and they can trigger
2892         reload spill failures.
2894         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2895         with a match_operand in order to help reload.
2897         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2898         constraint with 'e' for the 8th alternative as this version of
2899         the mov.w instruction only accepts the lower 8 registers.
2901 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2903         PR target/34856
2904         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2905         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2906         vector elements.
2908 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2910         PR middle-end/33333
2911         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2913 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2915         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2916         New functions.
2917         (remove_structure): Update allocations list before removing structure.
2918         
2919 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2921         * ipa-struct-reorg.c (is_safe_cond_expr, 
2922         create_new_stmts_for_cond_expr): Use integer_zerop function,
2923         that recognize not only zero-pointer, but zero-integer too.
2925 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2927         PR other/22232
2928         * fixproto: Escape "." in sed expression that strips leading "./".
2930 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2932         PR driver/34904
2933         * gcc.c (SWITCH_OK): Removed.
2934         (SWITCH_LIVE): Changed to bit.
2935         (SWITCH_FALSE): Likewise.
2936         (SWITCH_IGNORE): Likewise.
2937         (switchstr): Change live_cond to unsigned int.
2938         (process_command): Replace SWITCH_OK with 0.
2939         (do_self_spec): Likewise.
2940         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2941         (give_switch): Likewise.
2942         (used_arg): Likewise.
2943         (do_spec_1): Set the SWITCH_IGNORE bit.
2944         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2945         bits.  Set the SWITCH_LIVE bit.
2947 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2949         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2951 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2953         PR tree-optimization/34472
2954         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2955         parameter to a "bool *" and set *DATA to false if there is
2956         an unsafe access.  Do not delete the structure here.
2957         (check_cond_exprs): Delete it here instead.
2958         (check_cond_exprs, exclude_cold_structs): Do not increase
2959         I when removing a structure.
2961 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2963         PR target/34856
2964         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2965         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2967 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2969         PR middle-end/34934
2970         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2971         a fixed vector for stack.
2973 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2975         PR c++/25701
2976         * doc/gcc.texi (Software development): Add a direntry for g++.
2977         
2978 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2980         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2981         stale and straggling -fforce-addr comments above.
2983         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2984         define.
2985         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2986         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2988 2008-01-23  Michael Matz  <matz@suse.de>
2990         PR debug/34895
2991         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2992         gen_type_die.
2994 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2996         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2997         malloc result type.
2999 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3001         * config/avr/avr.c (avr_current_arch): New variable.
3002         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3003         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3004         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3005         (avr_override_options): Init 'avr_current_arch'. 
3006         (base_arch_s): Move from here...
3007         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3008         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3009         'mega' to 'have_jmp_call'.
3010         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3011         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3012         macros.
3013         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3014         architectures.
3015         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3016         MULTILIB_MATCHES): (Ditto.).
3018 2008-01-23  Richard Guenther  <rguenther@suse.de>
3020         PR middle-end/31529
3021         * cgraphunit.c (cgraph_reset_node): Always mark the node
3022         not reachable if it is not queued already.
3024 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3026         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3027         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3028         (cputype_selected): New static variable.
3029         (bfin_handle_option): Set it if -mcpu is used.
3030         (override_option): Select default set of workarounds if no cpu type
3031         selected on the command line.
3032         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3034         From  Michael Frysinger  <michael.frysinger@analog.com>
3035         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3036         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3038         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3039         for bf547, bf523, bf524, and bf526.
3040         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3041         bf526.
3042         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3043         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3044         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3045         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3046         * doc/invoke.texi (Blackfin Options): Document that
3047         -mcpu now accept bf547, bf523, bf524, and bf526.
3049 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3051         PR rtl-optimization/34628
3052         * combine.c (try_combine): Stop and undo after the first combination
3053         if an autoincrement side-effect on the first insn has effectively
3054         been lost.
3056 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3058         PR target/34529
3059         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3060         Offset addresses are not valid for Altivec or paired float modes.
3062 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3064         PR c++/34607
3065         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3066         if DECL_INITIAL (decl) is error_mark_node.
3068         PR c++/34914
3069         * c-common.c (handle_vector_size_attribute): Only allow
3070         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3071         the same way as pointer, array etc. types.
3072         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3074         PR c++/34917
3075         * tree.c (build_type_attribute_qual_variant): Call
3076         build_qualified_type if attributes are equal, but quals are not.
3078 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3080         PR 32102
3081         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3082         * flags.h (warn_strict_aliasing): Remove.
3083         (warn_strict_overflow): Remove.
3084         * opts.c (warn_strict_aliasing): Remove.
3085         (warn_strict_overflow): Remove.
3086         * c-opts.c (c_common_handle_option): -Wall only sets
3087         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3088         (c_common_post_options): Give default values to -Wstrict-aliasing
3089         and -Wstrict-overflow if they are uninitialized.
3090         * common.opt (Wstrict-aliasing): Specify Var and Init.
3091         (Wstrict-overflow): Likewise.
3093 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3095         PR rtl-optimization/26854
3096         PR rtl-optimization/34400
3097         PR rtl-optimization/34884
3098         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3099         DF_RD->gen.
3100         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3101         (df_rd_bb_info.expanded_lr_out): Deleted
3102         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3103         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3104         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3105         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3106         Removed code to allocate, initialize or free expanded_lr_out.
3107         (df_rd_bb_local_compute_process_def): Restructured to make more
3108         understandable.
3109         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3110         sets if the sets are being trimmed.
3112 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3114         PR bootstrap/32287
3115         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3116         (as_vers): Likewise.
3117         * configure: Regenerated.
3119 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3121         PR middle-end/33092
3122         * tree-pass.h (pass_build_alias): New pass.
3123         * tree-ssa-alias.c (gate_build_alias): New.
3124         (pass_build_alias): New.
3125         * passes.c (init_optimization_passes): Add pass_build_alias after
3126         pass_create_structure_vars.
3128 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3130         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3131         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3132         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3133         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3134         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3135         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3136         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3137         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3138         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3139         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3140         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3141         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3142         * config/s390/s390.md (FP_ALL): New mode iterator.
3143         (_d): New mode attribute.
3144         ("*signbit<mode>2>"): Changed mode of first operand.
3145         ("isinf<mode>2"): Changed mode of first operand.
3146         ("*TDC_insn"): Adaptation for DFP modes.
3148 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3150         * tree.c (check_qualified_type): Improve function description.
3152 2008-01-21  Jason Merrill  <jason@redhat.com>
3154         PR c++/34196
3155         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3156         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3157         if it is set.
3159 2008-01-21  DJ Delorie  <dj@redhat.com>
3161         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3162         return zero.
3164 2008-01-21  Richard Guenther  <rguenther@suse.de>
3166         PR middle-end/34856
3167         * tree-cfg.c (verify_expr): Allow all invariant expressions
3168         instead of just constant class ones as reference argument.
3169         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3170         like any other constant.
3171         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3173 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3175         * regmove.c (fixup_match_1): Update call crossed frequencies.
3177 2008-01-21  Richard Guenther  <rguenther@suse.de>
3179         PR c/34885
3180         * tree-inline.c (setup_one_parameter): Deal with mismatched
3181         types using a VIEW_CONVERT_EXPR.
3183 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3184             Olga Golovanevsky  <olga@il.ibm.com>
3185         
3186         PR tree-optimization/34701
3187         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3188         when the structure size is not a power of 2.
3190 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3192         * doc/install.texi: Add doc for --enable-checking=df.
3193         
3194 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3196         PR rtl-optimization/34808
3197         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3199 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3201         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3202         input.
3204 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3206         PR rtl-optimization/26854
3207         PR rtl-optimization/34400
3208         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3209         DF_RD->gen.
3210         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3211         (df_rd_bb_info.expanded_lr_out): New.
3212         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3213         * loop_iv.c (iv_analysis_loop_init): Ditto.
3214         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3215         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3216         Added code to allocate, initialize or free expanded_lr_out.
3217         (df_rd_bb_local_compute_process_def): Restructured to make
3218         more understandable.
3219         (df_rd_confluence_n): Add code to do nothing with fake edges and
3220         code to no apply invalidate_by_call sets if the sets are being trimmed.
3221         (df_lr_local_finalize): Renamed to df_lr_finalize.
3222         (df_live_local_finalize): Renamed to df_live_finalize.
3224 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3226         PR target/34831
3227         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3228         deciding whether to use reciprocal instructions.
3230 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3232         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3233         dwarf2out_note_section_used if cold_text_section is NULL.
3235 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3237         PR gcov-profile/34610
3238         * tree-cfg.c (make_edges): Mark both outgoing edges from
3239         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3240         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3241         from OMP_FOR and OMP_CONTINUE outgoing edges.
3243         * tree-profile.c (tree_profiling): Return early if
3244         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3245         at the end.
3246         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3247         from cfun to child_cfun.
3248         * function.h (struct function): Add after_tree_profile bit.
3250 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3252         * config/avr/avr.S (_exit): Disable interrupt.
3254 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3255             Steven Bosscher  <stevenb.gcc@gmail.com>
3257         PR rtl-optimization/26854
3258         PR rtl-optimization/34400
3259         * df-problems.c (df_live_scratch): New scratch bitmap.
3260         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3261         (df_live_reset): Clear the proper bitmaps.
3262         (df_live_bb_local_compute): Only process the artificial defs once
3263         since the order is not important.
3264         (df_live_init): Init the df_live sets only with the variables
3265         found live by df_lr.
3266         (df_live_transfer_function): Use the df_lr sets to prune the
3267         df_live sets as they are being computed.  
3268         (df_live_free): Free df_live_scratch.
3270 2008-01-18  Ian Lance Taylor  <iant@google.com>
3272         * common.opt: Add fmerge-debug-strings.
3273         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3274         flag_merge_debug_strings rather than flag_merge_constants.
3275         * doc/invoke.texi (Option Summary): Mention
3276         -fmerge-debug-strings.
3277         (Debugging Options): Document -fmerge-debug-strings.
3279 2008-01-18  Ian Lance Taylor  <iant@google.com>
3281         PR c++/33407
3282         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3283         (struct tree_function_decl): Add new field operator_new_flag.
3284         * tree-inline.c (expand_call_inline): When inlining a call to
3285         operator new, force the return value to go into a variable, and
3286         set DECL_NO_TBAA_P on that variable.
3287         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3289 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3291         PR debug/34484
3292         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3293         DWARF2_DEBUGGING_INFO.
3294         (dwarf2out_note_section_used): Ditto.  Add prototype.
3295         (have_multiple_function_sections, text_section_used,
3296         cold_text_section_used, *cold_text_sections): Move declarations
3297         before their uses.
3299 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3301         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3302         field and add signal_ra.
3303         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3304         assignments to frame state pc.  Move end of stack check after
3305         MD_FALLBACK_FRAME_STATE_FOR.
3306         (uw_update_context_1): Use frame state signal_regs if set, instead
3307         of checking signal_frame flag.
3308         (uw_update_context): Use frame state signal_ra if set.
3309         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3310         * config/xtensa/linux-unwind.h: New file.
3312 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3314         * modulo-sched.c (get_sched_window): Fix comment typo.
3316 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3318         PR tree-optimization/34648
3319         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3321 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3323         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3324         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3326 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3328         PR rtl-optimization/34400
3329         * df-core.c (df_worklist_dataflow_overeager,
3330         df_worklist_dataflow_doublequeue): New functions.
3331         (df_worklist_dataflow): Two different worklist solvers.
3332         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3333         New param.
3335 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3337         PR testsuite/34821
3338         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3339         and ftree-parallelize-loops.
3341 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3343         PR rtl-optimization/34826
3344         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3346 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3348         * global.c (find_reg): Mark the eh regs as used if necessary.
3349         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3350         * ra.h (struct allocno): no_eh_reg field added.  Changed
3351         no_stack_reg type to bitfield.
3353 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3355         * tree.c (substitute_in_expr): Add missing 'break'.
3357 2008-01-17  Richard Guenther  <rguenther@suse.de>
3359         PR tree-optimization/34825
3360         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3361         x / x as division to handle.
3363 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3365         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3366         "-pthread" is specified.
3367         * pa-hpux11.h (LIB_SPEC): Likewise.
3369 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3370             Peter Bergner  <bergner@vnet.ibm.com>
3372         PR rtl-optimization/33796
3373         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3375 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3377         PR libgfortran/34699
3378         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3379         static links.
3380         * pa-hpux10.h (LINK_SPEC): Likewise.
3381         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3383 2008-01-16  Richard Guenther  <rguenther@suse.de>
3385         PR middle-end/32628
3386         * fold-const.c (fold_convert_const_int_from_int): Do not
3387         set overflow if that occured only because of a sign extension
3388         change when converting from/to a sizetype with the same
3389         precision and signedness.
3391 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3393         PR debug/34249
3394         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3395         location address to the correct place.  Update copyright year.
3397 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3399         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3400         no dependences in the dependence_relations vector.
3402 2008-01-16  Jan Hubicka  <jh@suse.cz>
3404         PR rtl-optimization/31396
3405         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3406         * cfg.c (dump_reg_info): Print it.
3407         * regs.h (struct reg_info_t): add freq_calls_crossed.
3408         (REG_FREQ_CALLS_CROSSED): New macro.
3409         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3410         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3411         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3412         regmove_optimize): Update call crossed frequencies.
3413         * local-alloc.c (struct qty): Add freq_calls_crossed.
3414         (alloc_qty): Copute freq_calls_crossed.
3415         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3416         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3417         * ra.h (struct allocno): Add freq_calls_crossed.
3419 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3421         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3422         libgomp when compiling with ftree-parallelize-loops.
3423         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3425 2008-01-16  Richard Guenther  <rguenther@suse.de>
3427         PR tree-optimization/34769
3428         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3429         * tree.c (int_cst_value): Instead make this function more
3430         permissive in what it accepts as valid input.  Document this
3431         function always sign-extends the value.
3433 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3434             Richard Guenther  <rguenther@suse.de>
3436         PR c/34668
3437         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3438         (gimple_fold_indirect_ref_rhs): ... this.
3439         (gimple_fold_indirect_ref): New function with foldings
3440         that preserve lvalueness.
3441         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3442         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3443         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3444         to fold an INDIRECT_REF, fall back to the old use of
3445         fold_indirect_ref_1.
3447 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3449         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3450         free_conflict_function.
3451         (compute_self_dependence): Same.
3453 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3455         PR debug/34249
3456         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3457         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3458         function global.
3459         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3460         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3461         for DWARF2_UNWIND_INFO targets.
3463 2008-01-16  Richard Guenther  <rguenther@suse.de>
3465         PR c/34768
3466         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3467         type qualifiers for function types.
3469 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3471         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3472         loop_iterator li from previous commit.
3474 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3476         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3478 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3480         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3481         (parallelize_loops): Don't parallelize irreducible components.
3483 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3485         PR c++/24924
3486         * c-opts (c_common_post_options): Do not enable CPP
3487         flag_pedantic_errors by default.
3488         
3489 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3491         PR rtl-optimization/31944
3492         * cse.c (remove_pseudo_from_table): New function.
3493         (merge_equiv_classes): Use above function to remove pseudo-registers.
3494         (invalidate): Likewise.
3496 2008-01-13  Richard Guenther  <rguenther@suse.de>
3498         PR middle-end/34601
3499         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3500         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3502 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3504         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3505         validate_change to unshare the source of the PC set.
3507 2008-01-12  Jan Hubicka  <jh@suse.cz>
3509         PR middle-end/32135
3510         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3511         references above array bounds.  This might trigger bounds checks for
3512         pointers to arrays.
3514 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3516         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3517         new_replaceable_dependencies.
3519 2008-01-12  Doug Kwan  <dougkwan@google.com>
3521         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3522         instead of OPT_Wreturn_type in warning due to ignored return type
3523         qualifiers.
3524         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3525         options included in -Wextra.
3526         * c.opt: New option -Wignored_qualifiers.
3527         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3528         -Wignore_qualifiers.
3529         (-Wignored-qualifiers): Document.
3530         (-Wreturn-type): Remove description of functionality now handled
3531         by -Wignored-qualifiers.
3533 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3535         PR ada/33788
3536         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3537         NOP_EXPR if it is between integral types with the same precision.
3539 2008-01-12  Jan Hubicka  <jh@suse.cz>
3541         PR other/28023
3542         * invoke.texi (max-inline-recursive-depth): Fix default value.
3544 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3546         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3547         correct type.
3549 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3550         
3551         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3552         
3553 2008-01-11  James E. Wilson  <wilson@specifix.com>
3555         PR target/26015
3556         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3558 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3560         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3561         save/restore frame pointer register and don't use 'call-prologues' 
3562         optimization in function with "OS_task" attribute.
3564 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3566         PR middle-end/31309
3567         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3568         when copying to memory.
3570 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3572         PR rtl-optimization/30905
3573         * cfgcleanup.c: Include dce.h
3574         (crossjumps_occured): New global variable.
3575         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3576         If something changed, set crossjumps_occured to true.
3577         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3578         Don't add/remove fake edges to exit here...
3579         (cleanup_cfg): ...but do it here, when crossjumping.
3580         Run a fast DCE when successful crossjumps occured in the latest
3581         iteration of try_optimize_cfg.
3583 2008-01-11  Richard Guenther  <rguenther@suse.de>
3585         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3586         (struct vn_unary_op_s): Likewise.
3587         (vn_reference_insert): Free old reference on hash collision.
3589 2008-01-10  Raksit Ashok  <raksit@google.com>
3591         PR rtl-optimization/27971
3592         * combine.c (find_split_point): Split PLUS expressions which are
3593         inside a MEM rtx, and whose first operand is complex.
3595 2008-01-10  DJ Delorie  <dj@redhat.com>
3597         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3598         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3599         (m32c_hard_regno_ok): Call the underlying function.
3601 2008-01-10  Richard Guenther  <rguenther@suse.de>
3603         PR middle-end/34683
3604         * tree-cfg.c (tree_merge_blocks): Do not go through the
3605         full-blown folding and stmt updating path if we just deal
3606         with virtual operands.
3607         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3608         test for abnormal SSA_NAMEs.
3610 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3612         PR middle-end/34641
3613         * reload.c (push_reload): Add assertions.  All constants from
3614         reg_equiv_constant should have been used for replacing the respective
3615         pseudo earlier.
3616         (find_reloads_address): Invoke find_reloads_address_part for
3617         constant taken from the reg_equiv_constant array.
3619 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3621         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3622         field (valnum) the first in the struct.  Replace bools with
3623         unit bit fields.
3625 2008-01-10  Richard Guenther  <rguenther@suse.de>
3627         PR tree-optimization/34651
3628         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3629         types and ordering for masking and converting.
3631 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3633         PR tree-optimization/34017
3634         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3635         also for PHI_NODE expressions.
3637 2008-01-09  Jan Hubicka  <jh@suse.cz>
3639         PR tree-optimization/34708
3640         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3641         based on number of case labels.
3642         (init_inline_once): Remove switch_cost.
3643         * tree-inline.h (eni_weights_d): Remove switch_cost.
3645 2008-01-09  Richard Guenther  <rguenther@suse.de>
3646         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3648         PR middle-end/30132
3649         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3650         temporary if an rvalue is ok or an lvalue is not required.
3652 2008-01-09  Richard Guenther  <rguenther@suse.de>
3654         PR middle-end/34458
3655         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3656         adjust return type.
3658 2008-01-09  Richard Guenther  <rguenther@suse.de>
3660         PR middle-end/34679
3661         * tree.c (host_integerp): Check for sizetype only if the
3662         type is an integer type.
3664 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3666         PR debug/26364
3667         * opts.c (decode_options): Disable inlining of functions called
3668         once if not in unit-at-a-time mode.
3670 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3672         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3674 2008-01-08  Richard Guenther  <rguenther@suse.de>
3676         PR middle-end/31863
3677         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3678         out early if the result will be unused.
3680 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3682         PR target/34709
3683         Revert:
3685         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3686         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3687         for TARGET_RECIP.       
3688         
3689 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3690         
3691         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3692         for vectorization tuned.
3693         
3694 2008-01-08  Richard Guenther  <rguenther@suse.de>
3696         PR tree-optimization/34683
3697         * tree-ssa-operands.c (operand_build_cmp): Export.
3698         * tree-ssa-operands.h (operand_build_cmp): Declare.
3699         * tree-vn.c (vuses_compare): Remove.
3700         (sort_vuses): Use operand_build_cmp.
3701         (sort_vuses_heap): Likewise.
3702         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3703         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3704         (vdefs_to_vec): Do not sort already sorted VDEFs.
3706 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3708         PR middle-end/34694
3709         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3711 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3713         PR target/34702
3714         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3715         limitations of reciprocal sequences on x86 targets.
3717 2008-01-08  Richard Guenther  <rguenther@suse.de>
3719         PR tree-optimization/34683
3720         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3722 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3724         PR target/34622
3725         * config/darwin.c (darwin_mergeable_string_section): Don't use
3726         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3728 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3730         PR target/34682
3731         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3732         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3733         predicates of op0 and op1 to register_operand.
3734         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3735         expander using X87MODEF mode iterator.  Change predicates of
3736         op0 and op1 to register_operand.
3737         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3738         corresponding patterns and macroize using MODEF macro.  Change
3739         predicates of op0 and op1 to register_operand and remove
3740         "m" constraint. Disparage "r" alternative with "!".
3741         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3742         macroize using X87MODEF macro.  Change predicates of op0 and op1
3743         to register_operand and remove "m" constraint.  Disparage "r"
3744         alternative with "!".
3745         (absneg splitter with memory operands): Remove.
3746         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3747         patterns and macroize using X87MODEF mode iterator.
3748         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3749         Change predicate of op1 to register_operand.
3750         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3751         for memory operands.
3753 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3755         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3757 2008-01-07  Richard Guenther  <rguenther@suse.de>
3759         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3760         fields.
3762 2008-01-07  Richard Guenther  <rguenther@suse.de>
3764         PR tree-optimization/34683
3765         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3766         VOPs of the needed size to save memory.  Use VEC_quick_push
3767         to save compile-time.
3768         (vdefs_to_vec): Likewise.
3770 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3772         * config/spu/spu.md (divdf3): Genetate inline code for double
3773         division.  The implementation doesn't handle INF or NAN, therefore it
3774         only applies when -ffinite-math-only is given.
3776 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3778         PR libstdc++/34680
3779         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3780         * doc/cpp.texi ([Common Predefined Macros]): Document.
3782 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3784         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3785         order to use commutative addition instead of subtraction.
3787 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3788             Mircea Namolaru  <namolaru@il.ibm.com>
3789             Vladimir Yanovsky  <yanov@il.ibm.com>
3790             Revital Eres  <eres@il.ibm.com>
3792         PR tree-optimization/34263
3793         * tree-outof-ssa.c (process_single_block_loop_latch,
3794         contains_tree_r): New functions.
3795         (analyze_edges_for_bb): Call process_single_block_loop_latch
3796         function to empty single-basic-block latch block if possible.
3798 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3800         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3801         for TARGET_RECIP.
3802         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3804 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3806         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3808 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3810         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3812 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3814         PR tree-optimization/34618
3815         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3816         flag from T.
3818 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3820         PR target/34673
3821         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3822         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3823         Update copyright year.
3825         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3826         Update copyright year.
3827         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3828         using NR fixup.
3830 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3832         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3833         edge does not point to current bb before changing need_assert.
3835 2008-01-04  Richard Guenther  <rguenther@suse.de>
3837         PR middle-end/34029
3838         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3839         for verifying purposes if they are is_gimple_min_invariant.
3841 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3843         PR tree-optimization/34448
3844         PR tree-optimization/34465
3845         * gimplify.c (gimplify_init_constructor): Add new parameter
3846         notify_temp_creation.  Use it.
3847         (gimplify_modify_expr_rhs): Take volatiles into account when
3848         optimizing constructors.
3849         Do not optimize constructors if gimplify_init_constructor will dump to
3850         memory.
3851         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3852         * gcc.c-torture/compile/pr34448.c: New.
3854 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3856         PR gcov-profile/34609
3857         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3858         return_slot if result is TREE_ADDRESSABLE.
3860 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3862         * config/mips/mips.md (sqrt_condition): Tweak comment.
3863         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3865 2008-01-03  Tom Tromey  <tromey@redhat.com>
3867         PR c/34457
3868         * c-common.c (c_type_hash): Handle VLAs.
3870 2008-01-03  Jan Hubicka  <jh@suse.cz>
3872         PR tree-optimization/31081
3873         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3874         0 when inlining and not inlining to first basic block.
3875         (remap_decl): When var is initialized to 0, don't set default_def.
3876         (expand_call_inline): Set entry_bb.
3877         * tree-inline.h (copy_body_data): Add entry_bb.
3879 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3881         PR c++/34619
3882         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3883         before returning.
3885         PR tree-optimization/29484
3886         * tree-inline.c (inline_forbidden_p_2): New function.
3887         (inline_forbidden_p): Disallow inlining if some static var
3888         has an address of a local LABEL_DECL in its initializer.
3889         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3890         vs. inlining.
3892 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3894         PR tree-optimization/34635
3895         * tree-data-ref.c (add_other_self_distances): Make sure that the
3896         evolution step is constant.
3898 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3900         PR middle-end/34608
3901         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3903 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3905         * tree-sra.c (scalarize_init): Insert the generate_element_init
3906         statements after the generate_element_zero statements.
3908 2008-01-02  Richard Guenther  <rguenther@suse.de>
3910         PR middle-end/34093
3911         PR middle-end/31976
3912         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3913         for very large number of operands instead of ICEing.
3915 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3917         PR target/34013
3918         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3919         while stack probing.
3921 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3923         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3924         in C++0x mode.
3926 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3928         PR libmudflap/26442
3929         * tree-mudflap.c (mx_register_decls): Guard warning by
3930         !DECL_ARTIFICIAL check.
3932 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3934         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3935         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3936         sse5_perm<mode>): Fix constraints.