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* config/i386/i386.md (int_cond): New code iterator.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.md (int_cond): New code iterator.
4         (fp_cond): Ditto.
5         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
7         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
8         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
9         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
10         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
11         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
12         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
13
14 2008-03-12  Paul Brook  <paul@codesourcery.com>
15
16         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
17         instead of {arm,thumb}_compute_save_reg_mask.
18         (output_return_instruction): Ditto.
19         (thumb_unexpanded_epilogue): Ditto.
20         (thumb1_expand_prologue): Ditto.
21         (thumb1_output_function_prologue): Ditto.
22         (arm_set_return_address): Ditto.
23         (thumb_set_return_address): Ditto.
24         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
25         regs to achieve stack alignment.
26         (thumb1_compute_save_reg_mask): Fix compiler warning.
27         (arm_output_epilogue): Use offsets->saved_regs_mask.
28         Adjust stack pointer by poping call clobered registers.
29         (arm_expand_prologue): Use offsets->saved_regs_mask.
30         Adjust stack pointer by pushing extra registers.
31         * gcc/config/arm.h (arm_stack_offsets): Add saved_regs_mask.
32
33 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
34
35         PR tree-opt/35422
36         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
37         conversion to the operands of a multiplication.
38
39 2008-03-12  Richard Guenther  <rguenther@suse.de>
40
41         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
42         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
43         * timevar.def (TV_TREE_PHIPROP): Add.
44         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
45         pass description.  Use TV_TREE_PHIPROP.
46         * tree-ssa-forwprop.c: Remove phiprop code.
47
48 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
49
50         PR middle-end/35549
51         * omp-low.c (maybe_lookup_decl): Constify first argument.
52         (use_pointer_for_field): Change last argument from bool to
53         omp_context *.  Disallow shared copy-in/out in nested
54         parallel if decl is shared in outer parallel too.
55         (build_outer_var_ref, scan_sharing_clauses,
56         lower_rec_input_clauses, lower_copyprivate_clauses,
57         lower_send_clauses, lower_send_shared_vars): Adjust callers.
58
59 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
60             Ira Rosen  <irar@il.ibm.com>
61
62         * tree-vectorizer.c (free_stmt_vec_info): New function.
63         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
64         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
65         * tree-vectorizer.h (free_stmt_vec_info): Declare.
66         * tree-vect-transform.c (vectorizable_conversion): Free
67         vec_oprnds0 if it was allocated.
68         (vect_permute_store_chain): Remove unused VECs.
69         (vectorizable_store): Free VECs that are allocated in the..
70         function.
71         (vect_transform_strided_load, vectorizable_load): Likewise.
72         (vect_remove_stores): Simplify the code.
73         (vect_transform_loop): Move code to vect_remove_stores().
74         Call vect_remove_stores() and free_stmt_vec_info().
75
76 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
77
78         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
79         TARGET_HPUX.  Revise comment.
80         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
81         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
82         Use sr4 variant of `be' instruction when not generating PIC code.
83         (attr_length_call): Adjust for above change.
84
85 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
86
87         * ipa-reference.c (static_execute): Remove module_statics_const and
88         associated setting code.
89
90 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
91
92         PR target/35540
93         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
94         constraint for operand 1.
95         (paritysi2_cmp): Use register_operand constraint for operand 2.
96         Use earlyclobber modifier for operand 1.  Remove support for
97         memory operands.
98         (paritydi2_cmp): Use register_operand constraint for operand 3.
99         Use earlyclobber modifier for operand 1.  Remove support for
100         memory operands.
101
102 2008-03-11  Paul Brook  <paul@codesourcery.com>
103             Vladimir Prus  <vladimir@codesourcery.com>
104
105         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
106         (arm_compute_save_reg0_reg12_mask): Always
107         check if register 11 must be saved.  Always safe hard frame pointer
108         when frame_pointer_needeed.
109         (arm_compute_save_reg_mask): Save IP and PC
110         only with apcs frames.
111         (arm_output_epilogue): Adjust Thumb2 codepath to
112         be also invoked and work for ARM non-apcs frames.
113         (arm_expand_prologue): Don't bother saving IP
114         for non-apcs frame, since it's not clobbered by
115         prologue code.  Implement non-apcs frame
116         layout.
117
118 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
119
120         PR rtl-optimization/35281
121         * expr.c (convert_move): Use a new pseudo for the intermediate
122         from_mode->word_mode result.
123
124 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
125
126         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
127         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
128         * toplev.c (compile_file): Don't call it.
129
130 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
131
132         PR middle-end/35526
133         * expr.c (store_expr): Call emit_block_move if the mode
134         of "temp" RTX is BLKmode.
135
136 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
137             Richard Guenther  <rguenther@suse.de>
138
139         PR tree-optimization/31358
140         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
141         the step with a NULL_TREE.
142         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
143         to sizetype if type is a pointer type.
144         (add_candidate_1): Don't convert the base and step to
145         the generic type if the orginal type is a pointer type.
146         (add_iv_value_candidates): Use sizetype for the step
147         if type is a pointer type.
148         (cand_value_at): Likewise.
149         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
150         for pointer types.
151         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
152         Don't convert the tem affine to the type.
153         (add_elt_to_tree): Use sizetype for the step if a pointer.
154         Use POINTER_PLUS_EXPR for pointers.
155         (aff_combination_to_tree): Use sizetype for the step if a
156         pointer.
157
158 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
159
160         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
161         Remove commutativity hint.
162
163 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
164
165         PR c/35438
166         PR c/35439
167         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
168         errorneous type.  Check that v is a VAR_DECL.
169
170         PR middle-end/35099
171         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
172
173 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
174
175         PR tree-optimization/35494
176         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
177         may be overriden at link and run time.
178
179 2008-03-10  Richard Guenther  <rguenther@suse.de>
180
181         PR tree-optimization/34677
182         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
183         (poolify_tree): Likewise.
184         (modify_expr_template): Likewise.
185         (poolify_modify_stmt): Likewise.
186         (insert_fake_stores): Handle all component-ref style stores
187         in addition to INDIRECT_REF.  Also handle complex types.
188         Do not poolify the inserted load.
189         (realify_fake_stores): Do not rebuild the tree but only
190         make it a SSA_NAME copy.
191         (init_pre): Remove initialzation of modify_expr_template.
192         Do not allocate modify_expr_node_pool.
193         (fini_pre): Do not free modify_expr_node_pool.
194
195 2008-03-10  Paul Brook  <paul@codesourcery.com>
196
197         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
198         to avoid conflicts.
199
200 2008-03-10  Paul Brook  <paul@codesourcery.com>
201             Mark Shinwell  <shinwell@codesourcery.com>
202
203         * config/arm/cortex-r4.md: New.
204         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
205         insn attributes.
206         * config/arm/arm.md: Include cortex-r4.md.
207         (insn): Add smmls, sdiv and udiv values.
208         (generic_sched): Don't use generic scheduling for Cortex-R4.
209         (arm_issue_rate): New function.
210         (TARGET_SCHED_ISSUE_RATE): Define.
211
212 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
213
214         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
215
216 2008-03-10  Richard Guenther  <rguenther@suse.de>
217
218         * tree-ssa-pre.c (get_sccvn_value): Simplify.
219         (compute_avail): Do not add stmt uses to AVAIL_OUT.
220
221 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
222
223         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
224         Set default to true.
225
226 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
227
228         * c.opt (Wsynth): Deprecate.
229         * doc/invoke.texi (Option Summary, Warning Options): Document
230         -Wno-format-contains-nul.
231
232 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
233
234         PR target/35496
235         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
236         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
237
238 2008-03-09  Ira Rosen  <irar@il.ibm.com>
239
240         * config/rs6000/rs6000.c (builtin_description): Rename vector
241         left shift operations.
242         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
243         (altivec_vsl<VI_char>): Rename to ...
244         (ashl<mode>3): ... new name.
245         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
246         gen_ashlv4si3.
247         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
248
249 2008-03-08  Richard Guenther  <rguenther@suse.de>
250
251         * coverage.h (tree_coverage_counter_addr): Declare.
252         * coverage.c (tree_coverage_counter_addr): New function.
253         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
254         before using again.
255         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
256         (tree_gen_one_value_profiler): Likewise.
257         (tree_gen_ic_profiler): Likewise.
258         (tree_gen_average_profiler): Likewise.
259         (tree_gen_ior_profiler): Likewise.
260
261 2008-03-08  Richard Guenther  <rguenther@suse.de>
262
263         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
264         (vn_binary_op_insert): Likewise.
265         (vn_unary_op_lookup): Likewise.
266         (vn_unary_op_insert): Likewise.
267         (vn_nary_op_lookup): Declare.
268         (vn_nary_op_insert): Likewise.
269         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
270         and binary hashes, use a single obstack for unary_op_pool
271         and binary_op_pool.
272         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
273         a single struct vn_nary_op_s.  Store tree code length and
274         a variable number of operands.
275         (struct vn_reference_op_struct): Remove unused op2.
276         (vn_reference_op_eq): Do not compare op2.
277         (vn_reference_op_compute_hash): Do not compute hash of op2.
278         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
279         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
280         with vn_nary_op_compute_hash.
281         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
282         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
283         vn_nary_op_lookup.
284         (vn_unary_op_insert, vn_binary_op_insert): Replace with
285         vn_nary_op_insert.
286         (visit_unary_op): Call nary functions.
287         (visit_binary_op): Likewise.
288         (process_scc): Adjust for struct vn_tables_s changes.
289         (allocate_vn_table): Likewise.
290         (free_vn_table): Likewise.
291         * tree-vn.c (vn_add): Call nary functions.
292         (vn_lookup): Likewise.
293
294 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
295
296         PR target/35498
297         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
298         wdst back after sync_compare_and_swapqhi_internal.
299
300 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
301
302         PR target/22152
303         * config/i386/i386-modes.def (V1DI): New vector mode.
304         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
305         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
306         (MMXMODE248): Ditto.
307         (MMXMODE): Add V1DI mode.
308         (mmxvecsize): Change DI mode to V1DI mode.
309         ("mov<mode>): Use MMXMODEI8 mode iterator.
310         ("*mov<mode>_internal_rex64"): Ditto.
311         ("*mov<mode>_internal"): Ditto.
312         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
313         ("mmx_sub<mode>3"): Ditto.
314         ("mmx_adddi3"): Remove insn pattern.
315         ("mmx_subdi3"): Ditto.
316         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
317         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
318         ("mmx_ashl<mode>3"): Ditto.
319         ("mmx_lshrdi3"): Remove insn pattern.
320         ("mmx_ashldi3"): Ditto.
321         * config/i386/i386.c (classify_argument): Handle V1DImode.
322         (function_arg_advance_32): Ditto.
323         (function_arg_32): Ditto.
324         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
325         mmx_addv1di3 insn pattern.
326         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
327         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
328         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
329         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
330         Remove definitions of built-in functions.
331         (V1DI_type_node): New node.
332         (v1di_ftype_v1di_int): Ditto.
333         (v1di_ftype_v1di_v1di): Ditto.
334         (v2si_ftype_v2si_si): Ditto.
335         (v4hi_ftype_v4hi_di): Remove node.
336         (v2si_ftype_v2si_di): Ditto.
337         (ix86_init_mmx_sse_builtins): Handle V1DImode.
338         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
339         Redefine builtins using def_builtin_const with *_ftype_*_int node.
340         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
341         Add new builtins using def_builtin_const.
342         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
343         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
344         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
345         * config/i386/mmintrin.h (__v1di): New typedef.
346         (_mm_add_si64): Cast arguments to __v1di type.
347         (_mm_sub_si64): Ditto.
348         (_mm_sll_pi16): Cast __count to __v4hi type.
349         (_mm_sll_pi32): Cast __count to __v2si type.
350         (_mm_sll_si64): Cast arguments to __v1di type.
351         (_mm_srl_pi16): Cast __count to __v4hi type.
352         (_mm_srl_pi32): Cast __count to __v2si type.
353         (_mm_srl_si64): Cast arguments to __v1di type.
354         (_mm_sra_pi16): Cast __count to __v4hi type.
355         (_mm_sra_pi32): Cast __count to __v2si type.
356         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
357         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
358         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
359         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
360         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
361         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
362         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
363         (_mm_srai_pi32): Use __builtin_ia32_psradi.
364         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
365         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
366         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
367         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
368
369 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
370
371         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
372
373 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
374
375         PR target/35373
376         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
377         reg+const addressing for Altivec modes.  Don't generate reg+reg
378         addressing for TFmode or TDmode quantities.
379
380 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
381
382         * c-common.c (vector_types_convertible_p): Call langhook
383         instead of comptypes.
384
385 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
386
387         PR tree-opt/35402
388         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
389         integral and scalar float variables which have a
390         NULL DECL_INITIAL.
391
392 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
393
394         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
395         dwarf_register_span hook when emitting unwind information for
396         register-to-memory saves.
397         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
398         (rs6000_frame_related): Remove call to spe_synthesize_frame.
399
400 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
401
402         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
403         for the same VAR_DECL.
404
405 2008-03-06  Tom Tromey  <tromey@redhat.com>
406
407         * treelang: Delete.
408         * doc/standards.texi (Standards): Don't mention treelang.
409         * doc/invoke.texi (Overall Options): Don't mention treelang.
410         * doc/install.texi (Prerequisites): Don't mention bison or
411         treelang.
412         (Configuration): Don't mention treelang.
413         (Building): Likewise.
414         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
415
416 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
417
418         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
419         word-extractions out of a multi-word object.
420
421 2008-03-06  Richard Guenther  <rguenther@suse.de>
422
423         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
424         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
425         result type and precision.
426         * expr.c (get_inner_reference): Set unsignedp based on the result
427         type of BIT_FIELD_REF.
428         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
429         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
430         (try_instantiate_multiple_fields): Likewise.  Use the correct type
431         for BIT_FIELD_REF.
432         (sra_build_assignment): Likewise.
433         (sra_build_elt_assignment): Likewise.
434         (sra_explode_bitfield_assignment): Likewise.
435         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
436         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
437         set BIT_FIELD_REF_UNSIGNED.
438         (vectorizable_load): Likewise.
439
440 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
441
442         * cse.c (cse_extended_basic_block): Invalidate artificial defs
443         at bb start.
444
445 2008-03-06  Richard Guenther  <rguenther@suse.de>
446
447         * alias.c (struct alias_set_entry): Move has_zero_child field
448         to pack with alias_set.
449
450 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
451
452         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
453         32bit host.
454
455 2008-03-05  Ian Lance Taylor  <iant@google.com>
456
457         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
458
459 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
460
461         * fwprop.c (update_df): Support width and offset parameters of
462         df_ref_create.
463         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
464         global_conflicts): Change DF_REF_EXTRACT to either
465         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
466         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
467         * df-scan.c (df_ref_record, df_defs_record,
468         df_ref_create_structure, df_def_record_1, df_uses_record,
469         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
470         df_bb_refs_collect, df_entry_block_defs_collect,
471         df_exit_block_uses_collect): Support new width and offset fields.
472         (ref_extract_pool): New storage pool.
473         (df_free_ref): New function.
474         (df_reg_chain_unlink, df_free_collection_rec,
475         df_sort_and_compress_refs): Call df_free_ref.
476         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
477         of df_ref_extract.
478         (df_ref_create_structure): Allocate df_ref_extract if offset and
479         width fields are used.
480         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
481         (df_uses_record): Get offset and width from ZERO_EXTRACT 
482         and SIGN_EXTRACT.
483         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
484         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
485         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
486         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
487         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
488         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
489         (df_ref_extract): New structure.
490         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
491         (df_ref_create): Add width and offset parameters.
492         
493 2008-03-05  Richard Guenther  <rguenther@suse.de>
494
495         * tree-ssa-structalias.c (get_constraint_for_component_ref):
496         Use ranges_overlap_p.
497         (offset_overlaps_with_access): Rename
498         to ranges_overlap_p and move ...
499         * tree-flow-inline.h (ranges_overlap_p): ... here.
500
501         * tree.h (get_inner_reference, handled_component_p): Update
502         comments.
503
504         * tree.h (record_component_aliases, get_alias_set,
505         alias_sets_conflict_p, alias_sets_must_conflict_p,
506         objects_must_conflict_p): Move declarations ...
507         * alias.h (record_component_aliases, get_alias_set,
508         alias_sets_conflict_p, alias_sets_must_conflict_p,
509         objects_must_conflict_p): ... here.
510         Include coretypes.h.
511         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
512
513 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
514
515         * cfg.c: Include tree-flow.h.
516         (remove_edge_raw): Call redirect_edge_var_map_clear.
517         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
518         * tree-flow-inline.h (redirect_edge_var_map_def): New.
519         (redirect_edge_var_map_result): New.
520         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
521         PENDING_STMT use with redirect_edge_var_map_*.
522         * tree-ssa.c (edge_var_maps): New definition.
523         (redirect_edge_var_map_add): New.
524         (redirect_edge_var_map_clear): New.
525         (redirect_edge_var_map_dup): New.
526         (redirect_edge_var_map_vector): New.
527         (redirect_edge_var_map_destroy): New.
528         (ssa_redirect_edge): Replace PENDING_STMT use with
529         redirect_edge_var_map_*.
530         (flush_pending_stmts): Same.
531         (delete_tree_ssa): Destroy edge var map.
532         * tree-flow.h (struct _edge_var_map): New.
533         Define edge_var_map vector type.
534         Declare redirect_edge_var_map_* prototypes.
535         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
536         * tree-cfg.c (reinstall_phi_args): Replace
537         PENDING_STMT use with redirect_edge_var_map_*.
538
539 2008-03-05  Richard Guenther  <rguenther@suse.de>
540
541         PR tree-optimization/35472
542         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
543         whose single use_stmt has a overlapping set of loaded and
544         stored symbols as that use_stmt might be a noop assignment then.
545
546 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
547
548         * gthr-rtems.h: Implement __gthread_mutex_destroy.
549
550 2008-03-05  Richard Guenther  <rguenther@suse.de>
551
552         PR c++/35336
553         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
554         should be constants.
555         * tree-cfg.c (verify_expr): Verify it.
556         * fold-const.c (fold_truthop): Remove code generating
557         BIT_FIELD_REFs of structure bases.
558         (fold_binary): Likewise.
559         (fold_ternary): Position and size of BIT_FIELD_REFs are
560         always host integers.
561         (make_bit_field_ref): Remove.
562         (optimize_bit_field_compare): Remove.
563         (all_ones_mask_p): Remove.
564
565 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
566
567         PR gcc/33009
568         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
569         (split_block_and_df_analyze): New. Split basic block and rebuild
570         dataflow.
571         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
572         SPLIT_BLOCK.
573         (split_pattern_seq): Likewise.
574         (erase_matching_seqs): Likewise.
575         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
576
577 2008-03-04  Geoff Keating  <geoffk@apple.com>
578
579         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
580         declaration and code.
581         (tree_invalid_nonnegative_warnv_p): Likewise.
582
583 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
584
585         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
586         examples.  Truncate option-names then causing overfull hbox.
587
588 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
589
590         PR target/35222
591         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
592         on hpux10.
593         * configure: Rebuilt.
594
595 2008-03-04  Rafael Espindola  <espindola@google.com>
596
597         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
598         (tree_unary_nonnegative_warnv_p): New.
599         (tree_binary_nonnegative_warnv_p): New.
600         (tree_single_nonnegative_warnv_p): New.
601         (tree_invalid_nonnegative_warnv_p): New.
602         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
603
604 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
605
606         PR 28322
607         * opts.c (handle_option): Postpone 'unknown option' errors only for
608         warning options.
609
610 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
611
612         PR target/35453
613         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
614         (_SIDD_XXX): This.
615
616 2008-03-04  Rafael Espindola  <espindola@google.com>
617
618         * fold-const.c (tree_unary_nonzero_warnv_p): New.
619         (tree_binary_nonzero_warnv_p): New.
620         (tree_single_nonzero_warnv_p): New.
621         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
622
623 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
624
625         PR middle-end/35456
626         * fold-const.c (fold_cond_expr_with_comparison): Prevent
627         transformations for modes that have signed zeros.
628         * ifcvt.c (noce_try_abs): Ditto.
629
630 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
631
632         * config/i386/i386.c (override_options): Force
633         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
634
635 2008-03-04  Jan Hubicka  <jh@suse.cz>
636
637         PR c++/35262
638         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
639         in last commit.
640
641 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
642
643         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
644         label to probe the stack.
645
646 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
647
648         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
649         (__gthr_win32_mutex_destroy): Declare.
650         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
651         __gthr_win32_mutex_destroy.
652         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
653
654 2008-03-03  Jan Hubicka  <jh@suse.cz>
655
656         PR c++/35262
657         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
658         aggressive on inlining cold calls.
659
660 2008-03-03  Richard Guenther  <rguenther@suse.de>
661
662         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
663         struct copies into the expression table.
664         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
665         (try_to_simplify): Likewise.
666         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
667         integral and pointer arguments which do not change the
668         precision to NOP_EXPRs.
669         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
670         VIEW_CONVERT_EXPR case.
671
672 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
673
674         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
675         defined in a loop at depth 0 is invariant.
676         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
677         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
678         be called at loop depth 0.
679
680 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
681
682         PR driver/35420
683         * gcc.c (process_command): Update copyright notice dates.
684         * gcov.c (print_version): Likewise.
685         * gcov-dump.c (print_version): Likewise.
686         * mips-tfile.c (main): Likewise.
687         * mips-tdump.c (main): Likewise.
688
689 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
690
691         PR 24924
692         * c-common.c (flag_permissive): Delete.
693         (constant_expression_warnings): Check flags first.
694         (constant_expression_error): New.
695         * c-common.h (flag_permissive): Delete.
696         (constant_expression_error): Declare.
697         * flags.h (flag_permissive): Declare. Update description.
698         * diagnostic.c (pedwarn): Update.
699         (permerror): New.
700         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
701         (permissive_error_kind): New.
702         * toplev.c (flag_permissive): Define. Update description.
703         * toplev.h (permissive_error_kind): Declare.
704         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
705         (pedwarn_c90): Use pedantic_warning_kind.
706         * c-opts.c (c_common_post_options): flag_permissive does not affect
707         flag_pedantic_errors.
708
709 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
710
711         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
712         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
713         __absvsi2, __absvDI2): Use unsigned arithmetic.
714
715 2008-03-02  Andi Kleen  <ak@suse.de>
716             Richard Guenther  <rguenther@suse.de>
717
718         * struct-equiv.c: Remove file.
719         * cfg_cleanup.c (condjump_equiv_p): Remove.
720         * Makefile.in (OBJS-common): Remove struct-equiv.o.
721         (struct-equiv.o): Remove rule.
722         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
723         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
724         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
725
726 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
727
728         * ifcvt.c (noce_process_if_block): Try to handle only the then
729         block if the else block exists but isn't suitable.
730
731 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
732
733         PR gcc/35063
734         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
735         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
736         regression from previous patch.
737
738 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
739
740         PR gcc/35063
741         * gthr.h: Add __gthread_mutex_destroy as a function that must be
742         implemented.
743         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
744         * gthr-single.h (__gthread_mutex_destroy): Likewise.
745         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
746         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
747         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
748         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
749         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
750         (__gthread_mutex_destroy_function): Rename to
751         __gthread_mutex_destroy.
752         * gthr-dce.h (__gthread_mutex_destroy): Call
753         pthread_mutex_destroy.
754         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
755         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
756         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
757
758 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
759
760         * df-scan.c (df_ref_chain_change_bb): Simplify.
761         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
762         set_block_for_insn if there's any change.
763         * df.h ((df_insn_change_bb): Fix prototype.
764         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
765         df_insn_change_bb, don't call set_block_for_insn.
766         * emit-rtl.c (reorder_insns): Likewise.
767         * haifa-sched.c (move_insn): Likewise.
768
769 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
770
771         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
772
773 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
774
775         * tree-flow-inline.h (next_readonly_imm_use): Return
776         NULL_USE_OPERAND_P after the end.
777
778 2008-03-01  Richard Guenther  <rguenther@suse.de>
779
780         PR tree-optimization/35411
781         * tree-sra.c (sra_build_assignment): Split conversion to
782         final type to a separate statement if we are not assigning
783         to a register.
784
785 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
786
787         * fold-const.c (fold_convertible_p): Correct the logic to follow
788         that in fold_convert().
789
790 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
791
792         PR c++/35315
793         * tree-inline.c (build_duplicate_type): When we make a
794         duplicate type, make it unique in the canonical types system.
795
796 2008-02-29  Tom Tromey  <tromey@redhat.com>
797
798         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
799         input_file_stack_history, input_file_stack_restored): Remove.
800         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
801         * input.h (struct file_stack): Remove.
802         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
803         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
804         Likewise.
805         * diagnostic.h (struct diagnostic_context) <last_module>: Change
806         type.
807         (diagnostic_last_module_changed): Add 'map' argument.
808         (diagnostic_set_last_function): Likewise.
809         * diagnostic.c (undiagnostic_report_current_module): Iterate using
810         line map, not input_file_stack.
811         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
812
813 2008-02-29  Paul Brook  <paul@codesourcery.com>
814
815         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
816
817 2008-02-29  Paul Brook  <paul@codesourcery.com>
818
819         * config/arm/ieee754-df.S (muldf3): Use RET macros.
820
821 2008-02-29  Richard Guenther  <rguenther@suse.de>
822
823         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
824         vn_lookup_or_add.
825         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
826         value for comparing for a store match.
827         (simplify_unary_expression): Do nothing for SSA_NAMEs.
828         (try_to_simplify): Do not do a full-blown reference lookup.
829
830 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
831
832         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
833         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
834
835         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
836
837 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
838
839         * tree-loop-linear.c (try_interchange_loops): Compare memory access
840         strides against cache sizes.
841
842 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
843
844         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
845         constant to fpul.
846
847 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
848
849         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
850         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
851         is smaller than the original promoted value.
852         (simplify_subreg): If OP is a SUBREG, try to preserve its
853         SUBREG_PROMOTED_VAR_P information.
854
855 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
856
857         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
858         (VN_INFO_GET): Allocate new objects on the obstack.
859         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
860         for rpo_numbers_temp, for consistency.
861         (free_scc_vn): Free the obstack.
862
863 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
864
865         * doc/invoke.texi: Document -ftree-loop-distribution.
866         * tree-loop-distribution.c: New.
867         * tree-pass.h (pass_loop_distribution): New.
868         * graphds.h (struct graph): Add htab_t indices.
869         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
870         * tree-vectorizer.c (rename_variables_in_loop): Extern.
871         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
872         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
873         * tree-data-ref.c (debug_data_dependence_relations): New.
874         (dump_data_dependence_relation): Also print data references.
875         (free_data_ref): Extern.
876         (same_access_functions): Moved...
877         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
878         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
879         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
880         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
881         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
882         (stmts_from_loop): Skip LABEL_EXPR.
883         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
884         New.
885         (build_rdg): Initialize rdg->indices htab.
886         (free_rdg, stores_from_loop, ref_base_address,
887         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
888         have_similar_memory_accesses_1, ref_base_address_1,
889         remove_similar_memory_refs): New.
890         * tree-data-ref.h: Depend on tree-chrec.h.
891         (debug_data_dependence_relations, free_data_ref): Declared.
892         (same_access_functions): ... here.
893         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
894         New.
895         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
896         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
897         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
898         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
899         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
900         rdg_vertex_for_stmt): Declared.
901         (struct rdg_edge): Add level.
902         (RDGE_LEVEL): New.
903         (free_rdg, stores_from_loop, remove_similar_memory_refs,
904         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
905         Declared.
906         (rdg_has_similar_memory_accesses): New.
907         * tree-vect-analyze.c: Remove unused static decls.
908         * lambda.h (dependence_level): New.
909         * common.opt (ftree-loop-distribution): New.
910         * tree-flow.h (mark_virtual_ops_in_bb, 
911         slpeel_tree_duplicate_loop_to_edge_cfg,
912         rename_variables_in_loop): Declared.
913         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
914         (OBJS-common): Add tree-loop-distribution.o.
915         (tree-loop-distribution.o): New rule.
916         * tree-cfg.c (mark_virtual_ops_in_bb): New.
917         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
918         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
919
920 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
921
922         PR target/33963
923         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
924         other than structures and unions.
925
926 2008-02-28  Richard Guenther  <rguenther@suse.de>
927
928         Revert:
929         2008-02-26  Richard Guenther  <rguenther@suse.de>
930
931         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
932         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
933         (lookup_decl_from_uid): Declare.
934         (remove_decl_from_map): Likewise.
935         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
936         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
937         (decl_for_uid_map): New global hashtable mapping DECL_UID
938         to the decl tree.
939         (init_ttree): Allocate it.
940         (insert_decl_to_uid_decl_map): New helper function.
941         (make_node_stat): Insert new decls into the map.
942         (copy_node_stat): Likewise.
943         (lookup_decl_from_uid): New function.
944         (remove_decl_from_map): Likewise.
945         (print_decl_for_uid_map_statistics): New helper.
946         (dump_tree_statistics): Call it.
947
948         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
949         (referenced_var_iterator): Adjust.
950         (FOR_EACH_REFERENCED_VAR): Adjust.
951         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
952         (num_referenced_vars): Adjust.
953         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
954         (first_referenced_var): Remove.
955         (end_referenced_vars_p): Likewise.
956         (next_referenced_var): Likewise.
957         (referenced_var_iterator_set): New helper function.
958         * tree-dfa.c (referenced_var_lookup): Adjust.
959         (referenced_var_check_and_insert): Likewise.
960         (remove_referenced_var): Likewise.
961         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
962         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
963         (verify_call_clobbering): Likewise.
964         (verify_memory_partitions): Likewise.
965         (init_tree_ssa): Allocate bitmap instead of hashtable for
966         referenced_vars.
967         (delete_tree_ssa): Adjust.
968         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
969         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
970         (compute_tag_properties): Likewise.
971         (set_initial_properties): Likewise.
972         (find_partition_for): Likewise.
973         (update_reference_counts): Likewise.
974         (dump_may_aliases_for): Likewise.
975         * tree-ssa-operands.c (add_virtual_operand): Likewise.
976         (add_call_clobber_ops): Likewise.
977         (add_call_read_ops): Likewise.
978         (get_asm_expr_operands): Likewise.
979         * tree-into-ssa.c (dump_decl_set): Likewise.
980         (update_ssa): Likewise.
981         * tree-sra.c (scan_function): Likewise.
982         (decide_instantiations): Likewise.
983         (scalarize_parms): Likewise.
984         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
985         (dsa_named_for): Likewise.
986         * tree-ssa-structalias.c (update_alias_info): Likewise.
987         (merge_smts_into): Likewise.
988
989 2008-02-27  David Daney  <ddaney@avtrex.com>
990
991         PR target/34409
992         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
993         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
994         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
995         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
996         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
997
998 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
999
1000         PR target/25477
1001         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1002         (BUILT_IN_NEXTTOWARD): Remove.
1003         (BUILT_IN_NEXTTOWARDF): Ditto.
1004         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1005         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1006
1007 2008-02-27  Tom Tromey  <tromey@redhat.com>
1008
1009         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1010         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1011
1012 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1013
1014         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1015         update the respective field on newdecl.
1016
1017 2008-02-27  Revital Eres  <eres@il.ibm.com>
1018
1019         PR rtl-optimization/34999
1020         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1021         crossing edges that ends with a call insn.
1022         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1023         call insn and clear the EDGE_CROSSING flag of the crossing edge
1024         when fixing fallthru edges.
1025
1026 2008-02-27  Richard Guenther  <rguenther@suse.de>
1027
1028         PR middle-end/35390
1029         * fold-const.c (fold_unary): Return the correct argument,
1030         converted to the result type.
1031
1032 2008-02-27  Richard Guenther  <rguenther@suse.de>
1033
1034         PR middle-end/34971
1035         * expr.c (expand_expr_real_1): Assert on rotates that operate
1036         on partial modes.
1037         * fold-const.c (fold_binary): Use the types precision, not the
1038         bitsize of the mode if folding rotate expressions.  Build rotates
1039         only for full modes.
1040
1041 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1042
1043         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1044         and CPP_PRAGMA_EOL.
1045         * c-pragma.c (pragma_ns_name): New typedef.
1046         (registered_pp_pragmas): New variable.
1047         (c_pp_lookup_pragma): New function.
1048         (c_register_pragma_1): If flag_preprocess_only, do nothing
1049         for non-expanded pragmas, for expanded ones push pragma's
1050         namespace and name into registered_pp_pragmas vector.
1051         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1052         flag_preprocess_only, don't register GCC pch_preprocess
1053         pragma if flag_preprocess_only.
1054         * c-opts.c (c_common_init): Call init_pragma even if
1055         flag_preprocess_only.
1056         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1057         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1058         cpp_register_pragma if flag_preprocess_only.
1059
1060 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1061
1062         PR c/28800
1063         * c-parser.c (c_parser_translation_unit): Warn for empty
1064         translation unit, not empty source file.
1065
1066 2008-02-26  Paul Brook  <paul@codesourcery.com>
1067
1068         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1069         operand for Thumb-2.
1070         * config/arm/arm.h (reg_class): Add CORE_REGS.
1071         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1072         (BASE_REG_CLASS): Use CORE_REGS.
1073         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1074         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1075         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1076         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1077         ARM_REGNO_OK_FOR_INDEX_P.
1078         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1079         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1080         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1081         (ldm/stm peepholes): Ditto.
1082         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1083         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1084         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1085         * config/arm/constraints.md: Enable "k" constraint on ARM.
1086
1087 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1088
1089         * config/rs6000/rs6000.c: Annotate cache line size field in all
1090         instances of struct processor_costs.
1091
1092 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1093
1094         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1095         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1096         jump_bypass): New counters.
1097         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1098         * dce.c (gate_ud_dce): Same.
1099         (gate_fast_dce): Same.
1100         * dse.c (gate_dse1): New function.
1101         (gate_dse2): New function.
1102         (gate_dse): Merge results of new gate functions.
1103         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1104         (gate_handle_jump_bypass): Add dbg_cnt.
1105         (gate_handle_gcse): Add dbg_cnt.
1106         * ifcvt.c (gate_handle_if_conversion): Same.
1107         (gate_handle_if_after_combine): Same.
1108         (gate_handle_if_after_reload): Same.
1109         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1110
1111 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1112
1113         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1114         line sizes.
1115         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1116
1117 2008-02-26  Jason Merrill  <jason@redhat.com>
1118
1119         PR c++/35315
1120         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1121         alone if it's the naming decl for the type's main variant.
1122
1123 2008-02-26  Tom Tromey  <tromey@redhat.com>
1124
1125         * system.h (USE_MAPPED_LOCATION): Poison.
1126         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1127         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1128         (make_goto_expr_edges): Likewise.
1129         (remove_bb): Likewise.
1130         (execute_warn_function_return): Likewise.
1131         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1132         location_t.
1133         * c-common.c (fname_decl): Remove old location code.
1134         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1135         location code.
1136         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1137         variant.
1138         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1139         (gen_rtx_ASM_INPUT): Likewise.
1140         (gen_rtx_ASM_INPUT_loc): Likewise.
1141         (get_rtx_asm_OPERANDS): Remove.
1142         * cfglayout.c (insn_locators_alloc): Remove old location code.
1143         (set_curr_insn_source_location): Likewise.
1144         (curr_insn_locator): Likewise.
1145         * print-tree.c (print_node): Remove old location code.
1146         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1147         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1148         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1149         location_from_locus.
1150         (construct_exit_block): Remove old location code.
1151         * emit-rtl.c (force_next_line_note): Remove old location code.
1152         * profile.c (branch_prob): Remove old location code.
1153         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1154         LOC_LINE): Remove old-location variants.
1155         * langhooks.c (lhd_print_error_function): Remove old location
1156         code.
1157         * configure, config.in: Rebuilt.
1158         * configure.ac (--enable-mapped-location): Remove.
1159         * c-decl.c (c_init_decl_processing): Remove old location code.
1160         (finish_function): Likewise.
1161         * recog.c (decode_asm_operands): Remove old location code.
1162         * c-pch.c (c_common_read_pch): Remove old location code.
1163         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1164         variants.
1165         * gimple-low.c (lower_function_body): Remove old location code.
1166         * toplev.c (unknown_location): Remove.
1167         (push_srcloc): Remove old-location variant.
1168         (process_options): Remove old location code.
1169         (lang_dependent_init): Likewise.
1170         * input.h (UNKNOWN_LOCATION): Move definition.
1171         (location_t): Undeprecate.
1172         (source_locus): Remove.
1173         (location_from_locus): Remove.
1174         (struct location_s): Remove.
1175         Remove all old-location code.
1176         (input_line, input_filename): Remove.
1177         * final.c (final_scan_insn): Remove old location code.
1178         * diagnostic.c (diagnostic_build_prefix): Remove
1179         USE_MAPPED_LOCATION test.
1180         * tree.h (gimple_stmt) <locus>: Now a location_t.
1181         (tree_exp) <locus>: Likewise.
1182         (DECL_IS_BUILTIN): Remove old-location variant.
1183         (annotate_with_file_line, annotate_with_locus): Likewise.
1184         (expr_locus, set_expr_locus): Update.
1185         * tree.c (build1_stat): Remove old location code.
1186         (last_annotated_node): Remove.
1187         (annotate_with_file_line): Remove old-location variant.
1188         (annotate_with_locus): Likewise.
1189         (expr_location): Remove old location code.
1190         (set_expr_location): Likewise.
1191         (expr_has_location): Likewise.
1192         (expr_locus): Likewise.
1193         (set_expr_locus): Likewise.
1194         (expr_filename): Don't use location_from_locus.
1195         (expr_lineno): Likewise.
1196         * rtl-error.c (location_for_asm): Remove old location code.
1197         * c-lex.c (cb_line_change): Remove old location code.
1198         (fe_file_change): Likewise.
1199         (cb_def_pragma): Likewise.
1200         (c_lex_with_flags): Likewise.
1201         * gengtype.c (do_typedef): Don't special-case location types.
1202         (define_location_structures): Remove.
1203         (main): Don't call define_location_structures.
1204         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1205         code.
1206
1207 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1208
1209         PR 26264
1210         * builtins.def (BUILT_IN_STDARG_START): Remove.
1211         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1212         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1213         * tree-inline.c (inline_forbidden_p_1): Likewise.
1214         
1215 2008-02-26  Richard Guenther  <rguenther@suse.de>
1216
1217         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1218         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1219         (lookup_decl_from_uid): Declare.
1220         (remove_decl_from_map): Likewise.
1221         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1222         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1223         (decl_for_uid_map): New global hashtable mapping DECL_UID
1224         to the decl tree.
1225         (init_ttree): Allocate it.
1226         (insert_decl_to_uid_decl_map): New helper function.
1227         (make_node_stat): Insert new decls into the map.
1228         (copy_node_stat): Likewise.
1229         (lookup_decl_from_uid): New function.
1230         (remove_decl_from_map): Likewise.
1231         (print_decl_for_uid_map_statistics): New helper.
1232         (dump_tree_statistics): Call it.
1233
1234         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1235         (referenced_var_iterator): Adjust.
1236         (FOR_EACH_REFERENCED_VAR): Adjust.
1237         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1238         (num_referenced_vars): Adjust.
1239         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1240         (first_referenced_var): Remove.
1241         (end_referenced_vars_p): Likewise.
1242         (next_referenced_var): Likewise.
1243         (referenced_var_iterator_set): New helper function.
1244         * tree-dfa.c (referenced_var_lookup): Adjust.
1245         (referenced_var_check_and_insert): Likewise.
1246         (remove_referenced_var): Likewise.
1247         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1248         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1249         (verify_call_clobbering): Likewise.
1250         (verify_memory_partitions): Likewise.
1251         (init_tree_ssa): Allocate bitmap instead of hashtable for
1252         referenced_vars.
1253         (delete_tree_ssa): Adjust.
1254         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1255         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1256         (compute_tag_properties): Likewise.
1257         (set_initial_properties): Likewise.
1258         (find_partition_for): Likewise.
1259         (update_reference_counts): Likewise.
1260         (dump_may_aliases_for): Likewise.
1261         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1262         (add_call_clobber_ops): Likewise.
1263         (add_call_read_ops): Likewise.
1264         (get_asm_expr_operands): Likewise.
1265         * tree-into-ssa.c (dump_decl_set): Likewise.
1266         (update_ssa): Likewise.
1267         * tree-sra.c (scan_function): Likewise.
1268         (decide_instantiations): Likewise.
1269         (scalarize_parms): Likewise.
1270         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1271         (dsa_named_for): Likewise.
1272         * tree-ssa-structalias.c (update_alias_info): Likewise.
1273         (merge_smts_into): Likewise.
1274
1275 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1276
1277         PR 34351
1278         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1279         * c-opts.c (c_common_handle_option): Wall enables
1280         Wvolatile-register-var.
1281         * common.opt: Move Wvolatile-register-var to...
1282         * c.opt: ...here.
1283         
1284 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1285
1286         * common.opt (Wlarger-than=): New.
1287         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1288         -Wlarger-than=.
1289         * opts.c (common_handle_option): Handle -Wlarger-than=.
1290         * optc-gen.awk: Likewise.
1291         * opth-gen.awk: Likewise.
1292         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1293         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1294         
1295 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1296
1297         * c-common.c (match_case_to_enum_1): Add appropriate
1298         OPT_W* parameter to warning.
1299         (c_do_switch_warnings): Likewise.
1300         * c-typeck.c (warning_init): Add one more parameter following
1301         'warning' function.
1302         (push_init_level): Update call to warning_init.
1303         (pop_init_level): Likewise.
1304         (add_pending_init): Likewise.
1305         (output_init_element: Likewise.
1306
1307 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1308
1309         PR 28322
1310         * toplev.c (toplev_main): If there are warnings or error, print
1311         errors for ignored options.
1312         * opts.c (ignored_options): New static variable.
1313         (postpone_unknown_option_error): New.
1314         (print_ignored_options): New.
1315         (handle_option): Postpone errors for unknown -Wno-* options.
1316         * opts.h (print_ignored_options): Declare.
1317         
1318 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1319
1320         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1321         to "ghost".
1322
1323 2008-02-25  Richard Guenther  <rguenther@suse.de>
1324
1325         Revert:
1326         2008-02-25  Richard Guenther  <rguenther@suse.de>
1327
1328         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1329         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1330         (lookup_decl_from_uid): Declare.
1331         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1332         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1333         (decl_for_uid_map): New global hashtable mapping DECL_UID
1334         to the decl tree.
1335         (init_ttree): Allocate it.
1336         (insert_decl_to_uid_decl_map): New helper function.
1337         (make_node_stat): Insert new decls into the map.
1338         (copy_node_stat): Likewise.
1339         (lookup_decl_from_uid): New function.
1340         (print_decl_for_uid_map_statistics): New helper.
1341         (dump_tree_statistics): Call it.
1342
1343         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1344         (referenced_var_iterator): Adjust.
1345         (FOR_EACH_REFERENCED_VAR): Adjust.
1346         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1347         (num_referenced_vars): Adjust.
1348         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1349         (first_referenced_var): Remove.
1350         (end_referenced_vars_p): Likewise.
1351         (next_referenced_var): Likewise.
1352         (referenced_var_iterator_set): New helper function.
1353         * tree-dfa.c (referenced_var_lookup): Adjust.
1354         (referenced_var_check_and_insert): Likewise.
1355         (remove_referenced_var): Likewise.
1356         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1357         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1358         (verify_call_clobbering): Likewise.
1359         (verify_memory_partitions): Likewise.
1360         (init_tree_ssa): Allocate bitmap instead of hashtable for
1361         referenced_vars.
1362         (delete_tree_ssa): Adjust.
1363         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1364         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1365         (compute_tag_properties): Likewise.
1366         (set_initial_properties): Likewise.
1367         (find_partition_for): Likewise.
1368         (update_reference_counts): Likewise.
1369         (dump_may_aliases_for): Likewise.
1370         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1371         (add_call_clobber_ops): Likewise.
1372         (add_call_read_ops): Likewise.
1373         (get_asm_expr_operands): Likewise.
1374         * tree-into-ssa.c (dump_decl_set): Likewise.
1375         (update_ssa): Likewise.
1376         * tree-sra.c (scan_function): Likewise.
1377         (decide_instantiations): Likewise.
1378         (scalarize_parms): Likewise.
1379         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1380         (dsa_named_for): Likewise.
1381         * tree-ssa-structalias.c (update_alias_info): Likewise.
1382         (merge_smts_into): Likewise.
1383
1384 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1385
1386         PR fortran/29549
1387         * doc/invoke.texi (-fcx-limited-range): Document new option.
1388         * toplev.c (process_options): Handle -fcx-fortran-rules.
1389         * common.opt: Add documentation for -fcx-fortran-rules.
1390
1391 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1392
1393         PR c/35162
1394         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1395         actual behaviour and C99.
1396         
1397 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1398
1399         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1400         (ASM_CPU_POWER6_SPEC): Likewise.
1401         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1402         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1403         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1404
1405 2008-02-25  Richard Guenther  <rguenther@suse.de>
1406
1407         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1408         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1409         (lookup_decl_from_uid): Declare.
1410         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1411         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1412         (decl_for_uid_map): New global hashtable mapping DECL_UID
1413         to the decl tree.
1414         (init_ttree): Allocate it.
1415         (insert_decl_to_uid_decl_map): New helper function.
1416         (make_node_stat): Insert new decls into the map.
1417         (copy_node_stat): Likewise.
1418         (lookup_decl_from_uid): New function.
1419         (print_decl_for_uid_map_statistics): New helper.
1420         (dump_tree_statistics): Call it.
1421
1422         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1423         (referenced_var_iterator): Adjust.
1424         (FOR_EACH_REFERENCED_VAR): Adjust.
1425         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1426         (num_referenced_vars): Adjust.
1427         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1428         (first_referenced_var): Remove.
1429         (end_referenced_vars_p): Likewise.
1430         (next_referenced_var): Likewise.
1431         (referenced_var_iterator_set): New helper function.
1432         * tree-dfa.c (referenced_var_lookup): Adjust.
1433         (referenced_var_check_and_insert): Likewise.
1434         (remove_referenced_var): Likewise.
1435         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1436         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1437         (verify_call_clobbering): Likewise.
1438         (verify_memory_partitions): Likewise.
1439         (init_tree_ssa): Allocate bitmap instead of hashtable for
1440         referenced_vars.
1441         (delete_tree_ssa): Adjust.
1442         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1443         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1444         (compute_tag_properties): Likewise.
1445         (set_initial_properties): Likewise.
1446         (find_partition_for): Likewise.
1447         (update_reference_counts): Likewise.
1448         (dump_may_aliases_for): Likewise.
1449         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1450         (add_call_clobber_ops): Likewise.
1451         (add_call_read_ops): Likewise.
1452         (get_asm_expr_operands): Likewise.
1453         * tree-into-ssa.c (dump_decl_set): Likewise.
1454         (update_ssa): Likewise.
1455         * tree-sra.c (scan_function): Likewise.
1456         (decide_instantiations): Likewise.
1457         (scalarize_parms): Likewise.
1458         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1459         (dsa_named_for): Likewise.
1460         * tree-ssa-structalias.c (update_alias_info): Likewise.
1461         (merge_smts_into): Likewise.
1462
1463 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1464
1465         PR target/35258
1466         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1467         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1468         * alias.h (nonoverlapping_memrefs_p): Likewise.
1469
1470 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1471
1472         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1473         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1474         __emultls_get_address, __emultls_register_common,
1475         __floatundi?f, and _Unwind_GetIPInfo.
1476         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1477         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1478         (gen_regparm_prefix): Likewise.
1479         (i386_nlm_encode_section_info): Sync with
1480         config/i386/winnt.c:i386_pe_encode_section_info().
1481         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1482         i386_nlm_mangle_decl_assembler_name): New.
1483         (netware_override_options): New.
1484         * config/i386/netware.h (netware_override_options): Declare.
1485         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1486         (i386_nlm_mangle_decl_assembler_name): Declare.
1487         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1488
1489 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1490
1491         PR other/32948
1492         * c-decl.c (grokdeclarator): Remove unused local variables
1493         `typedef_type' and `type_as_written'.
1494         * bb-reorder.c
1495         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1496         unused local variable `has_hot_blocks'.
1497         (fix_crossing_conditional_branches): Remove unused local variable
1498         `prev_bb'.
1499         
1500 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1501
1502         PR middle-end/19984
1503         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1504         using DEF_C99_BUILTIN.
1505         (BUILT_IN_NANF): Ditto.
1506         (BUILT_IN_NANL): Ditto.
1507
1508 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1509             Revital Eres  <eres@il.ibm.com>
1510
1511         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1512         regarding the order of two dependent insns in the same row.
1513
1514 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1515
1516         * stor-layout.c (layout_decl): Do not bump the alignment of a
1517         bit-field to more than byte alignment if it is packed.
1518
1519 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1520
1521         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1522         e300c2 and e300c3.
1523
1524 2008-02-24  Diego Novillo  <dnovillo@google.com>
1525
1526         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1527
1528         PR 33738
1529         * tree-vrp.c (vrp_evaluate_conditional): With
1530         -Wtype-limits, emit a warning when comparing against a
1531         constant outside the natural range of OP0's type.
1532         * c.opt (Wtype-limits): Move ...
1533         * common.opt (Wtype-limits): ... here.
1534
1535 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1536
1537         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1538         * config/rs6000/e300c2c3.md: New file.
1539         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1540         e300c2 and e300c3.
1541         (rs6000_override_options): Add e300c2 and e300c3 cases to
1542         processor_target_table. Do not allow usage of Altivec or Spe
1543         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1544         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1545         * config/rs6000/rs6000.h (processor_type): Add
1546         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1547         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1548         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1549         and ppce300c3. Include e300c2c3.md.
1550
1551 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1552
1553         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1554         instead of TARGET_STRICT_ALIGN.
1555
1556 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1557
1558         * explow.c (memory_address): Assert that the generated address is
1559         valid.
1560
1561 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1562
1563         PR target/25477
1564         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1565         * config/darwin-ppc-ldouble-patch.def: New file.
1566         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1567         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1568         SUBTARGET_INIT_BUILTINS if defined.
1569         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1570         New functions.
1571
1572 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1573
1574         PR rtl-opt/33512
1575         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1576         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1577
1578 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1579
1580         PR pch/35027
1581         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1582         file" warning condtional on -Winvalid-PCH.
1583
1584 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1585
1586         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1587
1588 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1589
1590         PR target/22076
1591         PR target/34256 
1592         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1593         prevent reload from using MMX registers.
1594         (*mov<mode>_internal): Ditto.
1595         (*movv2sf_internal_rex64): Ditto.
1596         (*movv2sf_internal): Ditto.
1597
1598 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1599
1600         PR documentation/31569
1601         * doc/install.texi2html: Use makeinfo --no-number-sections.
1602
1603 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1604
1605         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1606         ensure that we can address an entire entity > 8 bytes.  Don't
1607         generate reg+reg addressing for such data.
1608
1609 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1610
1611         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1612         strings when optimizing for size, unless the target cares about
1613         alignment.
1614
1615 2008-02-22  Tom Tromey  <tromey@redhat.com>
1616
1617         * regclass.c (current_pass): Remove declaration.
1618
1619 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1620
1621         * config/avr/libgcc.S (__RAMPZ__): Define.
1622         (__do_copy_data): Add for devices with 128KB code memory.
1623
1624 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1625
1626         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1627         Use spe_abi.
1628         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1629
1630 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1631
1632         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1633         GENNONACR_REGS.
1634
1635 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1636
1637         PR c/19999
1638         * c-typeck.c (build_binary_op): Warn about floating point
1639         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1640
1641 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1642
1643         PR target/34526
1644         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1645         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1646         add vrsave.
1647         (rs6000_override_options): Set altivec_abi as default, not override,
1648         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1649         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1650         is used; use new member spe_abi.
1651         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1652         spe_abi and altivec_abi.
1653
1654 2008-02-22  Tomas Bily  <tbily@suse.cz>
1655
1656         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1657
1658 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1659
1660         PR bootstrap/35273
1661         * config.build (build_file_translate): Set to `CMD //c' only if
1662         it works.
1663         * Makefile.in (build_file_translate): Improve comment.
1664
1665 2008-02-21  Jan Hubicka  <jh@suse.cz>
1666
1667         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1668         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1669         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1670
1671 2008-02-21  Michael Matz  <matz@suse.de>
1672
1673         PR target/35264
1674         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1675
1676 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1677
1678         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1679         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1680         as insn constraint.
1681         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1682         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1683         SSE_VEC_FLOAT_MODE_P as insn constraint.
1684         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1685         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1686         sse4a_movntdf using MODEF mode iterator.
1687         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1688         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1689         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1690         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1691         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1692         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1693         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1694
1695 2008-02-21  Richard Guenther  <rguenther@suse.de>
1696
1697         * tree.def (PAREN_EXPR): New tree code.
1698         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1699         and PAREN_EXPR.
1700         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1701         * expr.c (expand_expr_real_1): Likewise.
1702         * tree-inline.c (estimate_num_insns_1): Likewise.
1703         * tree-complex.c (expand_complex_move): Likewise.
1704         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1705         as plain x.
1706
1707 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1708
1709         PR target/35225
1710         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1711
1712 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1713
1714         PR target/35190
1715         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1716
1717         * config/sh/sh.c (find_barrier): Don't go past
1718         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1719
1720 2008-02-20  DJ Delorie  <dj@redhat.com>
1721
1722         * config/h8300/h8300.md (insv): Force source operand to be a register.
1723
1724         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1725         as a jump, not as a plain insn.
1726         
1727 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1728
1729         * doc/invoke.texi (Warning Options): Add new option
1730         -Wframe-larger-than=.
1731         (-Wframe-larger-than): Document.
1732
1733         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1734         Add declarations for new option variables.
1735
1736         * final.c (final_start_function): Check the frame size
1737         before emission and issue a Wframe-larger-than warning.
1738
1739         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1740         Add definitions for new option variables.
1741         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1742
1743         * common.opt (Wframe-larger-than=): New option.
1744
1745 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1746
1747         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1748         (<sse>_div<mode>3): Ditto.
1749         (<sse>_vmdiv<mode>3): Ditto.
1750         (<sse>_vmsqrt<mode>2): Ditto.
1751         (*smax<mode>3): Ditto.
1752         (sse5_frcz<mode>2): Ditto.
1753         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1754         as insn constraint.
1755
1756 2008-02-20  Richard Guenther  <rguenther@suse.de>
1757
1758         PR middle-end/35265
1759         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1760         be happy with INTEGRAL_TYPE_P.
1761
1762 2008-02-20  Richard Guenther  <rguenther@suse.de>
1763
1764         * fold-const.c (split_tree): Associate floatig-point expressions
1765         if flag_associative_math is set.
1766
1767 2008-02-20  Richard Guenther  <rguenther@suse.de>
1768
1769         * tree.h (fold_real_zero_addition_p): Declare.
1770         * fold-const.c (fold_real_zero_addition_p): Export.
1771         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1772         floating-point operations with zero and one.
1773
1774 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1775
1776         * doc/install.texi: Correct references to CFLAGS, replacing them
1777         with BOOT_CFLAGS.  Document flags used during bootstrap for
1778         target libraries.
1779                                 
1780 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1781
1782         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1783         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1784         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1785         insn constraint.
1786         (smin<mode>3): Ditto from similar patterns.
1787         (smax<mode>3): Ditto.
1788         (*ieee_smin<mode>3): Ditto.
1789         (*ieee_smax<mode>3): Ditto.
1790         * config/i386/sse.md (sse): New mode attribute.
1791         (mov<mode>): Macroize expander from movv4sf and movv2df using
1792         SSEMODEF2P mode iterator.
1793         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1794         SSE_VEC_FLOAT_MODE_P as insn constraint.
1795         (storent<mode>): Ditto.
1796         (storent<mode>): Macroize expander from storentsf and storentdf using
1797         MODEF mode iterator.
1798         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1799         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1800         (abs<mode>2): Ditto from similar patterns.
1801         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1802         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1803         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1804         (<sse>_vmsqrt<mode>2): Ditto.
1805         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1806         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1807         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1808         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1809         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1810         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1811         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1812         insn constraint.
1813         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1814         iterator and SSE_FLOAT_MODE_P as insn constraint.
1815         (<sse>_ucomi): Ditto from similar patterns.
1816         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1817         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1818         SSE_VEC_FLOAT_MODE_P as insn constraint.
1819         (vcond<mode>): Ditto from similar patterns.
1820         (and<mode>3, *and<mode>3): Ditto.
1821         (<sse>_nand<mode>3): Ditto.
1822         (ior<mode>3, *ior<mode>3): Ditto.
1823         (xor<mode>3, *xor<mode>3): Ditto.
1824         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1825         iterator and SSE_FLOAT_MODE_P as insn constraint.
1826         (*nand<mode>3): Ditto from similar patterns.
1827         (*ior<mode>3): Ditto.
1828         (*xor<mode>3): Ditto.
1829
1830 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1831
1832         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1833         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1834         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1835
1836 2008-02-19  Jan Hubicka  <jh@suse.cz>
1837
1838         * predict.c (tree_bb_level_predictions): Remove variable next
1839         mistakely introduced by previous commit.
1840
1841 2008-02-19  Jan Hubicka  <jh@suse.cz>
1842
1843         * predict.c (predict_paths_leading_to): Rewrite.
1844         (predict_paths_for_bb): New.
1845         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1846
1847 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1848
1849         PR bootstrap/35218
1850         * Makefile.in (build_file_translate): New.
1851         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1852         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1853         * configure.ac (build_file_translate): Substitute it.
1854         * configure: Regenerate.
1855
1856 2008-02-19  Jan Hubicka  <jh@suse.cz>
1857
1858         PR rtl-optimization/34408
1859         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1860         invalid sharing.
1861
1862 2008-02-19  Jan Hubicka  <jh@suse.cz>
1863
1864         PR middle-end/28779
1865         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1866         call_expr.
1867
1868 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1869
1870         PR Ada/35186
1871         * config/i386/i386-modes.def: Revert the last DI alignment
1872         change until Ada people can look into it.
1873
1874 2008-02-19  Nick Clifton  <nickc@redhat.com>
1875
1876         * opts.c (print_specific_help): Fix typo in --help text.
1877
1878 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1879
1880         PR target/35239
1881         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1882         32-bit inline asm without asm alternatives for host GCC < 3.0.
1883
1884 2008-02-19  Richard Guenther  <rguenther@suse.de>
1885
1886         PR tree-optimization/34989
1887         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1888         Allow propagation to INDIRECT_REF if we can simplify only.
1889
1890 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1891
1892         * c-common.c (warn_for_collisions_1): Use appropriate option when
1893         warning.
1894
1895 2008-02-19  Nick Clifton  <nickc@redhat.com>
1896
1897         PR other/31349
1898         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1899         (handle_options): Fix indentation.
1900         (print_filtered_help): If no language-specific options were
1901         displayed tell the user how to list all the options supported by
1902         the language's front-end.
1903         (print_specific_help): Fix indentation and remove duplicate line.
1904         (common_handle_option): Handle the -v option.
1905         For --help enable the display of undocumented options if the -v
1906         switch has been included on the command line.
1907         For --help= check for overlaps in the arguments between the option
1908         classes and the language names and issue a warning when they
1909         cannot be disambiguated.
1910         * c.opt (v): Pass on to the common option handler.
1911
1912 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1913
1914         * modulo-sched.c (sms_schedule): Change dump message when
1915         create_ddg function fails.
1916         (try_scheduling_node_in_cycle): Rename row to cycle.
1917         (print_partial_schedule): Rename CYCLE to ROW.
1918
1919 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1920             Zdenek Dvorak  <ook@ucw.cz>
1921
1922         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1923
1924 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1925
1926         PR target/33555
1927         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1928         (*x86_movdicc_0_m1_se): Ditto.
1929
1930 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1931
1932         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1933         (CMPtype): Define as __gcc_CMPtype.
1934         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1935         (CMPtype): Define as __gcc_CMPtype.
1936
1937 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1938
1939         Support valgrind 3.3 for --enable-checking=valgrind.
1940         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1941         here.
1942         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1943         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1944         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1945         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1946         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1947         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1948         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1949         respectively.
1950         * ggc-zone.c: Similar.
1951         * ggc-page.c: Similar.
1952
1953 2008-02-19  Paul Brook  <paul@codesourcery.com>
1954
1955         PR target/35071
1956         * config/arm/ieee754-df.S: Fix do_it typo.
1957         * config/arm/ieee754-sf.S: Fix do_it typo.
1958
1959 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1960
1961         PR target/35189
1962         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1963         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1964         (OPTION_MASK_ISA_SSE_SET): Likewise.
1965         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1966         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1967         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1968         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1969         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1970         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1971         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1972         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1973         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1974         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1975         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1976         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1977         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1978         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1979         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1980         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1981         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1982         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1983         (OPTION_MASK_ISA_SSE4): Removed.
1984         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1985         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
1986         (override_options): Don't turn on implied SSE/MMX bits in
1987         ix86_isa_flags.
1988
1989 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1990
1991         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1992         32bit host.
1993
1994 2008-02-18  Joey Ye  <joey.ye@intel.com>
1995
1996         PR middle-end/34921
1997         * tree-nested.c (insert_field_into_struct): Set type alignment
1998         to field alignment if the former is less than the latter.
1999
2000 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2001
2002         * BASE-VER: Set to 4.4.0.
2003
2004 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2005
2006         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2007         * doc/cfg.texi: Likewise.
2008         * doc/extend.texi: Likewise.
2009         * doc/gty.texi: Likewise.
2010         * doc/invoke.texi: Likewise.
2011         * doc/loop.texi: Likewise.
2012         * doc/md.texi: Likewise.
2013         * doc/passes.texi: Likewise.
2014         * doc/rtl.texi: Likewise.
2015         * doc/sourcebuild.texi: Likewise.
2016         * doc/tm.texi: Likewise.
2017         * doc/tree-ssa.texi: Likewise.
2018
2019 2008-02-17  Richard Guenther  <rguenther@suse.de>
2020
2021         PR middle-end/35227
2022         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2023         without default definition.
2024
2025 2008-02-17  Richard Guenther  <rguenther@suse.de>
2026
2027         PR tree-optimization/35231
2028         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2029         if A | B != 1.
2030
2031 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2032
2033         Revert:
2034
2035         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2036         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2037         libgcc_cmp_return mode.
2038
2039 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2040
2041         PR c/28368
2042         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2043
2044 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2045
2046         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2047         multilibs.
2048
2049 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2050
2051         * doc/c-tree.texi: Use `@.' where appropriate.
2052         * doc/extend.texi: Likewise.
2053         * doc/install.texi: Likewise.
2054         * doc/invoke.texi: Likewise.
2055         * doc/loop.texi: Likewise.
2056         * doc/makefile.texi: Likewise.
2057         * doc/md.texi: Likewise.
2058         * doc/passes.texi: Likewise.
2059         * doc/standards.texi: Likewise.
2060         * doc/tm.texi: Likewise.
2061
2062 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2063
2064         PR middle-end/35196
2065         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2066         in entry_bb.
2067         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2068         rather than in entry_bb.
2069
2070 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2071
2072         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2073         libgcc_cmp_return mode.
2074
2075 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2076
2077         PR middle-end/35130
2078         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2079         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2080
2081 2008-02-15  Richard Guenther  <rguenther@suse.de>
2082             Zdenek Dvorak  <ook@ucw.cz>
2083
2084         PR tree-optimization/35164
2085         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2086         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2087         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2088         Only propagate addresses which do not have abnormal SSA_NAMEs
2089         in their operands.
2090
2091 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2092
2093         PR target/35088
2094         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2095
2096 2008-02-15  Jan Hubicka  <jh@suse.cz>
2097
2098         PR middle-end/35149
2099         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2100
2101 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2102
2103         PR middle-end/34621
2104         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2105         when calculating alignment_pad.
2106
2107 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2110         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2111         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2112         and STACK_BOUNDARY define.
2113
2114 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2115
2116         PR preprocessor/35061
2117         * c-pragma.c (handle_pragma_pop_macro): Check that
2118         pushed_macro_table has been allocated.
2119
2120 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2121
2122         PR middle-end/35136
2123         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2124         (force_gimple_operand): Likewise.
2125         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2126         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2127         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2128         (find_interesting_uses_address): Check addressability and alignment
2129         of the base expression only after substituting bases of IVs into it.
2130
2131 2008-02-14  Michael Matz  <matz@suse.de>
2132
2133         PR target/34930
2134         * function.c (instantiate_virtual_regs_in_insn): Reload address
2135         before falling back to reloading the whole operand.
2136
2137 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2138
2139         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2140         before the first section switch note.
2141
2142 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2143
2144         * doc/bugreport.texi: Update copyright years.
2145         * doc/c-tree.texi: Likewise.
2146         * doc/cfg.texi: Likewise.
2147         * doc/cpp.texi: Likewise.
2148         * doc/cppinternals.texi: Likewise.
2149         * doc/fragments.texi: Likewise.
2150         * doc/frontends.texi: Likewise.
2151         * doc/gcc.texi: Likewise.
2152         * doc/gty.texi: Likewise.
2153         * doc/hostconfig.texi: Likewise.
2154         * doc/implement-c.texi: Likewise.
2155         * doc/libgcc.texi: Likewise.
2156         * doc/loop.texi: Likewise.
2157         * doc/makefile.texi: Likewise.
2158         * doc/options.texi: Likewise.
2159         * doc/passes.texi: Likewise.
2160         * doc/rtl.texi: Likewise.
2161         * doc/sourcebuild.texi: Likewise.
2162         * doc/standards.texi: Likewise.
2163         * doc/tree-ssa.texi: Likewise.
2164         * doc/trouble.texi: Likewise.
2165
2166         * doc/extend.texi: Use @: or add comma where appropriate.
2167         * doc/invoke.texi: Likewise.
2168         * doc/tm.texi: Likewise.
2169
2170 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2171
2172         PR target/34393
2173         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2174         to a reg.
2175
2176 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2177
2178         * doc/md.texi (clz, ctz): Add reference.
2179         * doc/rtl.texi (clz, ctz): Likewise.
2180
2181 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2182
2183         PR other/35148
2184         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2185         srcdir.
2186
2187 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2188
2189         * config/s390/s390.c (struct constant_pool): New field
2190         emit_pool_after added.
2191         (s390_mainpool_start): Set the emit_pool_after flag according
2192         to the section switch notes.
2193         (s390_mainpool_finish): Consider emit_pool_after when emitting
2194         the literal pool at the end of the function.
2195         (s390_chunkify_start): Force literal pool splits at section
2196         switch notes.
2197
2198 2008-02-13  Michael Matz  <matz@suse.de>
2199
2200         PR debug/35065
2201         * var-tracking.c (clobber_variable_part): Correctly traverse the
2202         list.
2203
2204 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2205
2206         PR 29673
2207         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2208         Add -fdump-ipa-inline.
2209         * tree-dump.c (dump_files): Remove tree-inlined dump.
2210         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2211         
2212 2008-02-12  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/35171
2215         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2216         default defs.
2217
2218 2008-02-12  Richard Guenther  <rguenther@suse.de>
2219
2220         PR middle-end/35163
2221         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2222         value-preserving mode.  Disallow final truncation.
2223
2224 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2225
2226         PR middle-end/35136
2227         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2228         code from here to...
2229         (force_gimple_operand): ...here.
2230
2231 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2232
2233         PR c++/35144
2234         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2235         non-compatible pointers.
2236         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2237         different FIELD_DECLs, try harder by comparing field offsets, sizes
2238         and types.
2239
2240         PR inline-asm/35160
2241         * function.c (match_asm_constraints_1): Don't replace the same input
2242         multiple times.
2243
2244 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2245
2246         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2247         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2248         (expand_epilogue): Restore RAMPZ register.
2249         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2250
2251 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2252
2253         * config/i386/cygwin.asm: (__alloca): Correct calling
2254         convention and alignment.
2255         (__chkstk): Force 8 byte stack alignment.
2256
2257 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2258             Richard Guenther  <rguenther@suse.de>
2259
2260         PR tree-optimization/33992
2261         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2262         the zero we compare against.
2263
2264 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2265
2266         PR libfortran/35063
2267         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2268         to CloseHandle after unlocking to prevent accumulation of handle
2269         count.
2270
2271 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2272
2273         PR middle_end/34150
2274         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2275         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2276         and update LABEL_NUSES during and after reload.
2277
2278 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2279
2280         PR middle-end/34627
2281         * combine.c (simplify_if_then_else): Make sure the comparison is
2282         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2283
2284 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2285
2286         PR bootstrap/35051
2287         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2288         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2289         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2290         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2291         * tree.h (get_type_static_bounds): Likewise.
2292
2293 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2294
2295         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2296         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2297         Make -Wfoo language annotations match what the compiler outputs.
2298
2299 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2300
2301         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2302         intrinsics spu_convts, spu_convtu, spu_convtf.
2303         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2304
2305 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2306
2307         * doc/extend.texi (Function Attributes) <noinline>: Mention
2308         asm ("") as method to keep calls.
2309
2310 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2311
2312         PR other/32754
2313         * doc/options.texi (Options): Replace references to opts.sh with
2314         optc-gen.awk.
2315         * opts-common.c: Likewise.
2316         * optc-gen.awk: Likewise.
2317         
2318 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2319
2320         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2321
2322 2008-02-07  Richard Henderson  <rth@redhat.com>
2323
2324         PR rtl-opt/33410
2325         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2326         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2327         funny mode.
2328
2329 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2330
2331         PR tree-optimization/35085
2332         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2333         for operand entry oe2 in addition to operand entry oe3 in order to
2334         expose more opportunities for vectorizer sum reduction.
2335
2336 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2337
2338         PR other/35107
2339         * Makefile.in (LIBS): Remove $(GMPLIBS).
2340         (cc1-dummy, cc1): Add $(GMPLIBS).
2341
2342 2008-02-06  Jan Hubicka  <jh@suse.cz>
2343
2344         PR target/23322
2345         * i386.md (moddf_integer): Do not produce partial memory stalls for
2346         targets where it hurts.
2347
2348 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2349
2350         PR target/35083
2351         * optabs.c (expand_float): Do not check for decimal modes when
2352         expanding unsigned integer through signed conversion.
2353
2354 2008-02-06  Nick Clifton  <nickc@redhat.com>
2355
2356         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2357         inside the clobber with a match_operand and duplicated operand
2358         number in the constraint.
2359         (ineqbranchsi): Delete redundant comment.
2360
2361 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2362
2363         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2364         builtin_define ("__USE_INIT_FINI__").
2365         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2366         -msx multilibs.
2367         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2368
2369 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2370
2371         PR documentation/30330
2372         * doc/invoke.texi (C++ Dialect Options)
2373         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2374         For each warning option -Wfoo that allows -Wno-foo, ensure both
2375         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2376         entry of -Wswitch-default, index -Wnormalized= including the
2377         `=', and -Wlarger-than-@var{len} including @var{len}.
2378
2379 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2380
2381         * config/i386/i386.md (floatunssisf2): Use
2382         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2383         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2384         Macroize expander using MODEF mode iterator.
2385
2386 2008-02-05  Diego Novillo  <dnovillo@google.com>
2387
2388         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2389
2390         PR 33738
2391         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2392
2393 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2394
2395         PR other/35070
2396         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2397
2398 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2399
2400         PR target/35084
2401         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2402         to indicate if a message should be generated.
2403         (init_cumulative_args): Updated.
2404         (function_value_32): Likewise.
2405
2406 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2407
2408         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2409
2410 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2411
2412         PR target/35083
2413         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2414         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2415
2416 2008-02-04  Diego Novillo  <dnovillo@google.com>
2417
2418         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2419
2420         PR 33738
2421         * tree-vrp.c (vrp_evaluate_conditional): With
2422         -Wtype-limits, emit a warning when comparing against a
2423         constant outside the natural range of OP0's type.
2424
2425 2008-02-04  Richard Guenther  <rguenther@suse.de>
2426
2427         PR middle-end/33631
2428         * expr.c (count_type_elements): Give for unions instead of
2429         guessing.
2430
2431 2008-02-04  Richard Guenther  <rguenther@suse.de>
2432
2433         PR middle-end/35043
2434         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2435         to TYPE_DOMAINs base type instead of using bitsizetype here.
2436
2437 2008-02-03  Jason Merrill  <jason@redhat.com>
2438
2439         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2440
2441 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2442
2443         PR other/29972
2444         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2445         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2446         (RS/6000 and PowerPC Options): Fix typos and markup.
2447         * doc/passes.texi (Tree-SSA passes): Likewise.
2448
2449 2008-02-02  Michael Matz  <matz@suse.de>
2450
2451         PR target/35045
2452         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2453         from record_last_reg_set_info.
2454         (record_last_reg_set_info): Take an RTX argument, iterate over all
2455         constituent hardregs.
2456         (record_last_set_info, record_opr_changes): Change calls to
2457         new signature or to record_last_reg_set_info_regno.
2458
2459 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2460
2461         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2462
2463 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2464
2465         PR rtl-optimization/34773
2466         * reg-notes.def (EQUAL): Mention significance of combination of
2467         REG_EQUAL and REG_RETVAL.
2468         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2469         insn that has a REG_RETVAL.
2470
2471 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2472
2473         PR bootstrap/33781
2474         * configure.ac (--enable-fixed-point): Disable unless explicitly
2475         requested on IRIX.
2476         * configure: Regenerate.
2477
2478 2008-02-01  Richard Guenther  <rguenther@suse.de>
2479
2480         PR other/35042
2481         * invoke.texi (-finline-limit): Remove no longer true parts
2482         of the documentation.  Note that there is no default value.
2483
2484 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2485             Mark Mitchell  <mark@codesourcery.com>
2486             Ben Elliston  <bje@au.ibm.com>
2487
2488         PR c/29326
2489         * doc/extend.texi (Other Builtins): Document.
2490
2491 2008-01-31  Tom Browder <tom.browder@gmail.com>
2492
2493         * doc/c-tree.texi (Types): Fix grammar.
2494         (Expression trees): Ditto.
2495         * doc/passes.texi (Tree-SSA passes): Ditto.
2496         
2497         * doc/configterms.texi (Configure Terms): Fix typo.
2498         * doc/cpp.texi (Common Predefined Macros): Ditto.
2499         * doc/md.texi (Machine Constraints): Ditto.
2500         
2501         * doc/makefile.texi (Makefile): Add comma.
2502
2503 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2504             Gerald Pfeifer  <gerald@pfeifer.com>
2505         
2506         * doc/sourcebuild.texi (Front End): Remove references to CVS
2507         and CVSROOT/modules.
2508         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2509         (Back End): Remove reference to CVS.
2510
2511 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2512
2513         PR target/34900
2514         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2515         comment from...
2516         (mips16_gp_pseudo_reg): ...here.
2517         * config/mips/mips.md (load_const_gp): Replace with...
2518         (load_const_gp_<mode>): ...this :P-based insn.
2519
2520 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2521
2522         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2523         options. Minor fixes.
2524         (-std): Move reference to standards closer to where language
2525         standards are first mentioned.
2526         
2527 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2528
2529         PR rtl-optimization/34995
2530         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2531         parameter and return a bool.  If the rtx parameter is nonnull,
2532         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2533         (find_reloads): Update call accordingly.  Pass the new operand
2534         if it needed no address reloads, otherwise pass null.
2535
2536 2008-01-30  Richard Henderson  <rth@redhat.com>
2537
2538         PR c/34993
2539         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2540         for unbounded arrays.
2541
2542 2008-01-30  Silvius Rus  <rus@google.com>
2543
2544         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2545
2546 2008-01-30  Jan Hubicka  <jh@suse.cz>
2547
2548         PR target/34982
2549         * i386.c (init_cumulative_args): Use real function declaration when
2550         calling locally.
2551
2552 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2553
2554         PR rtl-optimization/34998
2555         * global.c (build_insn_chain): Treat non-subreg_lowpart
2556         SUBREGs of pseudos as clobbering all the words covered by the
2557         SUBREG, not just all the bytes.
2558         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2559         original df_ref rather than an extract parameter.
2560         (global_conflicts): Update call accordingly.
2561
2562 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2563
2564         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2565         the overflow check to make it easier to read.
2566         (__fixtfdi): Change the type of the ll member in union
2567         long_double to UDItype_x.
2568
2569 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2570
2571         PR middle-end/34969
2572         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2573         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2574         * tree-inline.c (fold_marked_statements): Call
2575         cgraph_update_edges_for_call_stmt if folding a call statement.
2576         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2577         debug_generic_stmt calls, reset it back afterwards.
2578
2579         PR c/35017
2580         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2581         static decls.
2582         * c-typeck.c (build_external_ref): Don't pedwarn about
2583         static vars in current function's scope.
2584
2585 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2586
2587         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2588
2589 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2590
2591         PR c/35002
2592         * ipa-struct-reorg.c: Fix spelling.
2593         * params.def: Ditto.
2594
2595 2008-01-29  Richard Guenther  <rguenther@suse.de>
2596
2597         PR middle-end/35006
2598         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2599         field.
2600         * tree-inline.c (remap_type): Increment remapping_type_depth
2601         around remapping types.
2602         (copy_body_r): Only add referenced variables if they are referenced
2603         from code, not types.
2604
2605 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2606
2607         PR c++/34055
2608         PR c++/34103
2609         PR c++/34219
2610         PR c++/34606
2611         PR c++/34753
2612         PR c++/34754
2613         PR c++/34755
2614         PR c++/34919
2615         PR c++/34961
2616         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2617         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2618
2619 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2620
2621         PR target/34412
2622         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2623         pointer for tiny stack.
2624
2625 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2626
2627         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2628
2629 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2630
2631         * config/vx-common.h: Fix typo in comment.
2632
2633 2008-01-28  Ian Lance Taylor  <iant@google.com>
2634
2635         PR c++/34862
2636         PR c++/33407
2637         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2638         coalesce pointers if they have different DECL_NO_TBAA_P values.
2639         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2640         between variables with different DECL_NO_TBAA_P values.
2641
2642 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2643
2644         PR 31535
2645         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2646         are not legitimate small data references on SPE targets.
2647
2648 2008-01-28  David Daney  <ddaney@avtrex.com>
2649
2650         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2651
2652 2008-01-28  David Daney  <ddaney@avtrex.com>
2653
2654         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2655
2656 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2657
2658         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2659         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2660         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2661         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2662         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2663         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2664         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2665         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2666
2667 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2668
2669         * basic-block.h (condjump_equiv_p): Fix comment.
2670
2671 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2672
2673         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2674         print_generic_stmt_indented): Fix comment.
2675
2676 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2677
2678         * configure.ac (__stack_chk_fail): Add detecion for availability
2679         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2680         * configure: Regenerate.
2681
2682 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2683
2684         PR middle-end/34688
2685         * final.c (output_addr_const): Handle TRUNCATE.
2686
2687 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2688
2689         PR target/34711
2690         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2691         (zero_cost, infinite_cost): New constants.
2692         (struct cost_pair): Change type of cost to comp_cost.
2693         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2694         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2695         New functions.
2696         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2697         split_address_cost, ptr_difference_cost, difference_cost,
2698         get_computation_cost_at, get_computation_cost,
2699         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2700         determine_use_iv_cost_condition, determine_use_iv_costs,
2701         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2702         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2703         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2704         Change type of cost to comp_cost.
2705         (determine_iv_cost): Increase cost of non-original ivs, instead
2706         of decreasing the cost of original ones.
2707         (get_address_cost): Indicate the complexity of the addressing mode 
2708         in comp_cost.
2709         (try_add_cand_for): Prefer using ivs not specific to some object.
2710         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2711
2712 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2713             Janis Johnson  <janis187@us.ibm.com>
2714
2715         PR target/34814
2716         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2717         (TARGET_INSTANTIATE_DECLS): Likewise.
2718         * target.h (expand_to_rtl_hook): New target hook.
2719         (instantiate_decls): Likewise.
2720         * function.c (instantiate_decl): Make non-static.  Rename to...
2721         (instantiate_decl_rtl): ... this.
2722         (instantiate_expr): Use instantiate_decl_rtl.
2723         (instantiate_decls_1): Likewise.
2724         (instantiate_decls): Likewise.
2725         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2726         * function.h (instantiate_decl_rtl): Add prototype.
2727         * cfgexpand.c (target.h): New include.
2728         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2729         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2730         (TARGET_INSTANTIATE_DECLS): Likewise.
2731         (TARGET_INITIALIZER): New target hooks added.
2732         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2733         New prototype.
2734         * config/rs6000/rs6000.c (tree-flow.h): New include.
2735         (machine_function): Add sdmode_stack_slot field.
2736         (rs6000_alloc_sdmode_stack_slot): New function.
2737         (rs6000_instantiate_decls): Likewise.
2738         (rs6000_secondary_memory_needed_rtx): Likewise.
2739         (rs6000_check_sdmode): Likewise.
2740         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2741         (TARGET_INSTANTIATE_DECLS): Likewise.
2742         (rs6000_hard_regno_mode_ok): Allow SDmode.
2743         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2744         (rs6000_emit_move): Handle SDmode.
2745         (function_arg_advance): Likewise.
2746         (function_arg): Likewise.
2747         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2748         SDmode var args for 32-bit compiles.
2749         (rs6000_secondary_reload_class): Handle SDmode.
2750         (rs6000_output_function_epilogue): Likewise.
2751         (rs6000_function_value): Simplify if statement.
2752         (rs6000_libcall_value): Likewise.
2753         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2754         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2755         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2756         (movsd_hardfloat): New define_insn.
2757         (movsd_softfloat): Likewise.
2758         (movsd_store): Likewise.
2759         (movsd_load): Likewise.
2760         (extendsddd2): Likewise.
2761         (extendsdtd2): Likewise.
2762         (truncddsd2): Likewise.
2763         (movdd_hardfloat64): Fixup comment.
2764         (UNSPEC_MOVSD_LOAD): New constant.
2765         (UNSPEC_MOVSD_STORE): Likewise.
2766
2767 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR c++/34965
2770         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2771         TRUTH_XOR_EXPR.
2772         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2773         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2774         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2775         and TRUTH_XOR_EXPR.
2776
2777 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2778
2779         PR target/34794
2780         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2781         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2782         __LONGDOUBLE128 too.
2783         * config/rs6000/aix61.h: New file.
2784
2785 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2786
2787         PR rtl-optimization/34959
2788         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2789         popcount and parity rtxes the same mode as their operand.
2790         Truncate or extend the result to the return value's mode
2791         if necessary.
2792
2793 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2794
2795         PR target/34981
2796         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2797         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2798         to GOT_VERSION_REGNUM.
2799         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2800         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2801         * config/mips/mips.c (mips_emit_call_insn): New function.
2802         (mips_call_tls_get_addr): Call mips_expand_call directly.
2803         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2804         emit_call_insn.
2805         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2806         (mips_expand_call): Update the call to mips16_build_call_stub
2807         accordingly and a remove redundant condition.  Assert that MIPS16
2808         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2809         the call insn.
2810         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2811         TARGET_USE_GOT.
2812         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2813         (mips_avoid_hazard): Remove hazard_set handling.
2814         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2815         (UNSPEC_RESTORE_GP): ...this.
2816         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2817         (FAKE_CALL_REGNO): Rename to...
2818         (GOT_VERSION_REGNUM): ...this.
2819         (type): Add "ghost" value.  Add an associated insn reservation.
2820         (hazard_set): Remove.
2821         (exception_receiver): Rename to...
2822         (restore_gp): ...this and update the unspec identifier accordingly.
2823         (exception_receiver, nonlocal_got_receiver): New expanders.
2824         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2825         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2826         (set_got_version, update_got_version): New patterns.
2827
2828 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2829
2830         PR target/34970
2831         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2832
2833 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2834
2835         PR other/31955
2836         * doc/install.texi2html: Generate gcc-vers.texi.
2837
2838 2008-01-25  DJ Delorie  <dj@redhat.com>
2839
2840         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2841
2842 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2843
2844         * config/c4x: Remove directory.
2845         * config.gcc (crx-*, mt-*): Mark obsolete.
2846         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2847         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2848         sh-*-rtemscoff*): Remove cases.
2849         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2850         * real.c (encode_c4x_single, decode_c4x_single,
2851         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2852         c4x_extended_format): Remove.
2853         * real.h (c4x_single_format, c4x_extended_format): Remove.
2854         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2855         on C4x.
2856         (Pragmas): Remove comment about c4x pragmas.
2857         * doc/install.texi (c4x): Remove target-specific instructions.
2858         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2859         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2860         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2861         refer to C4x source files as examples.
2862         (C4X_FLOAT_FORMAT): Remove documentation.
2863
2864 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2865
2866         * config/bfin/bfin.c (override_options): Reorder tests so that
2867         flag_pic gets enabled for -msep-data.
2868
2869 2008-01-25  Richard Guenther  <rguenther@suse.de>
2870
2871         PR middle-end/32244
2872         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2873         to its bitfield precision if required.
2874
2875 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2876
2877         PR middle-end/33880
2878         * tree-nested.c (walk_omp_for): New function.
2879         (convert_nonlocal_reference, convert_local_reference): Call
2880         walk_omp_for on OMP_FOR.
2881         (convert_call_expr): Call walk_body on OMP_FOR's
2882         OMP_FOR_PRE_INIT_BODY.
2883
2884 2008-01-25  Richard Guenther  <rguenther@suse.de>
2885
2886         PR tree-optimization/34966
2887         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2888         default defs and PHI_NODEs we have to insert after the
2889         defining statement.
2890
2891 2008-01-24  Nick Clifton  <nickc@redhat.com>
2892
2893         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2894         Provide a default definition.
2895         (LIBGCC2_UNITS_PER_WORD): Likewise.
2896
2897         * config/stormy16/stormy16.c: Include df.h for the prototype
2898         for df_regs_ever_live_p.
2899         (xstormy16_expand_builtin_va_start): Convert the stack offset
2900         into a component_ref and then use POINTER_PLUS_EXPR to add it
2901         to the incoming_virtual_args_rtx.
2902         (xstormy16_gimplify_va_arg_expr): Rename to
2903         xstormy16_gimplify_va_arg_expr.
2904         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2905         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2906         xstormy16_gimplify_va_arg_expr.
2907         Fix up some formatting issues.
2908
2909         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2910         Move to predicates.md.
2911         (xs_hi_general_operand): Likewise.
2912         (xs_hi_nonmemory_operand): Likewise.
2913         * config/stormy16/predicates.md:
2914         (xstormy16_carry_plus_operand): New predicate.
2915         (xs_hi_general_operand): New predicate.
2916         (xs_hi_nonmemory_operand): New predicate.
2917         * config/stormy16/stormy16-protos.h:
2918         (xstormy16_carry_plus_operand): Delete prototype.
2919         (xs_hi_general_operand): Likewise.
2920         (xs_hi_nonmemory_operand): Likewise.
2921
2922         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2923         modifiers as they are no longer needed and they can trigger
2924         reload spill failures.
2925
2926         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2927         with a match_operand in order to help reload.
2928
2929         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2930         constraint with 'e' for the 8th alternative as this version of
2931         the mov.w instruction only accepts the lower 8 registers.
2932
2933 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2934
2935         PR target/34856
2936         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2937         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2938         vector elements.
2939
2940 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2941
2942         PR middle-end/33333
2943         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2944
2945 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2946
2947         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2948         New functions.
2949         (remove_structure): Update allocations list before removing structure.
2950         
2951 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2952
2953         * ipa-struct-reorg.c (is_safe_cond_expr, 
2954         create_new_stmts_for_cond_expr): Use integer_zerop function,
2955         that recognize not only zero-pointer, but zero-integer too.
2956
2957 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2958
2959         PR other/22232
2960         * fixproto: Escape "." in sed expression that strips leading "./".
2961
2962 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2963
2964         PR driver/34904
2965         * gcc.c (SWITCH_OK): Removed.
2966         (SWITCH_LIVE): Changed to bit.
2967         (SWITCH_FALSE): Likewise.
2968         (SWITCH_IGNORE): Likewise.
2969         (switchstr): Change live_cond to unsigned int.
2970         (process_command): Replace SWITCH_OK with 0.
2971         (do_self_spec): Likewise.
2972         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2973         (give_switch): Likewise.
2974         (used_arg): Likewise.
2975         (do_spec_1): Set the SWITCH_IGNORE bit.
2976         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2977         bits.  Set the SWITCH_LIVE bit.
2978
2979 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2980
2981         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2982
2983 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2984
2985         PR tree-optimization/34472
2986         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2987         parameter to a "bool *" and set *DATA to false if there is
2988         an unsafe access.  Do not delete the structure here.
2989         (check_cond_exprs): Delete it here instead.
2990         (check_cond_exprs, exclude_cold_structs): Do not increase
2991         I when removing a structure.
2992
2993 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2994
2995         PR target/34856
2996         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2997         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2998
2999 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3000
3001         PR middle-end/34934
3002         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3003         a fixed vector for stack.
3004
3005 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3006
3007         PR c++/25701
3008         * doc/gcc.texi (Software development): Add a direntry for g++.
3009         
3010 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3013         stale and straggling -fforce-addr comments above.
3014
3015         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3016         define.
3017         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3018         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3019
3020 2008-01-23  Michael Matz  <matz@suse.de>
3021
3022         PR debug/34895
3023         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3024         gen_type_die.
3025
3026 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3027
3028         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3029         malloc result type.
3030
3031 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3032
3033         * config/avr/avr.c (avr_current_arch): New variable.
3034         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3035         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3036         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3037         (avr_override_options): Init 'avr_current_arch'. 
3038         (base_arch_s): Move from here...
3039         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3040         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3041         'mega' to 'have_jmp_call'.
3042         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3043         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3044         macros.
3045         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3046         architectures.
3047         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3048         MULTILIB_MATCHES): (Ditto.).
3049
3050 2008-01-23  Richard Guenther  <rguenther@suse.de>
3051
3052         PR middle-end/31529
3053         * cgraphunit.c (cgraph_reset_node): Always mark the node
3054         not reachable if it is not queued already.
3055
3056 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3057
3058         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3059         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3060         (cputype_selected): New static variable.
3061         (bfin_handle_option): Set it if -mcpu is used.
3062         (override_option): Select default set of workarounds if no cpu type
3063         selected on the command line.
3064         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3065
3066         From  Michael Frysinger  <michael.frysinger@analog.com>
3067         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3068         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3069
3070         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3071         for bf547, bf523, bf524, and bf526.
3072         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3073         bf526.
3074         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3075         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3076         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3077         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3078         * doc/invoke.texi (Blackfin Options): Document that
3079         -mcpu now accept bf547, bf523, bf524, and bf526.
3080
3081 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3082
3083         PR rtl-optimization/34628
3084         * combine.c (try_combine): Stop and undo after the first combination
3085         if an autoincrement side-effect on the first insn has effectively
3086         been lost.
3087
3088 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3089
3090         PR target/34529
3091         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3092         Offset addresses are not valid for Altivec or paired float modes.
3093
3094 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3095
3096         PR c++/34607
3097         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3098         if DECL_INITIAL (decl) is error_mark_node.
3099
3100         PR c++/34914
3101         * c-common.c (handle_vector_size_attribute): Only allow
3102         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3103         the same way as pointer, array etc. types.
3104         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3105
3106         PR c++/34917
3107         * tree.c (build_type_attribute_qual_variant): Call
3108         build_qualified_type if attributes are equal, but quals are not.
3109
3110 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3111
3112         PR 32102
3113         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3114         * flags.h (warn_strict_aliasing): Remove.
3115         (warn_strict_overflow): Remove.
3116         * opts.c (warn_strict_aliasing): Remove.
3117         (warn_strict_overflow): Remove.
3118         * c-opts.c (c_common_handle_option): -Wall only sets
3119         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3120         (c_common_post_options): Give default values to -Wstrict-aliasing
3121         and -Wstrict-overflow if they are uninitialized.
3122         * common.opt (Wstrict-aliasing): Specify Var and Init.
3123         (Wstrict-overflow): Likewise.
3124
3125 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3126
3127         PR rtl-optimization/26854
3128         PR rtl-optimization/34400
3129         PR rtl-optimization/34884
3130         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3131         DF_RD->gen.
3132         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3133         (df_rd_bb_info.expanded_lr_out): Deleted
3134         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3135         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3136         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3137         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3138         Removed code to allocate, initialize or free expanded_lr_out.
3139         (df_rd_bb_local_compute_process_def): Restructured to make more
3140         understandable.
3141         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3142         sets if the sets are being trimmed.
3143
3144 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3145
3146         PR bootstrap/32287
3147         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3148         (as_vers): Likewise.
3149         * configure: Regenerated.
3150
3151 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3152
3153         PR middle-end/33092
3154         * tree-pass.h (pass_build_alias): New pass.
3155         * tree-ssa-alias.c (gate_build_alias): New.
3156         (pass_build_alias): New.
3157         * passes.c (init_optimization_passes): Add pass_build_alias after
3158         pass_create_structure_vars.
3159
3160 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3161
3162         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3163         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3164         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3165         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3166         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3167         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3168         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3169         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3170         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3171         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3172         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3173         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3174         * config/s390/s390.md (FP_ALL): New mode iterator.
3175         (_d): New mode attribute.
3176         ("*signbit<mode>2>"): Changed mode of first operand.
3177         ("isinf<mode>2"): Changed mode of first operand.
3178         ("*TDC_insn"): Adaptation for DFP modes.
3179
3180 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3181
3182         * tree.c (check_qualified_type): Improve function description.
3183
3184 2008-01-21  Jason Merrill  <jason@redhat.com>
3185
3186         PR c++/34196
3187         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3188         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3189         if it is set.
3190
3191 2008-01-21  DJ Delorie  <dj@redhat.com>
3192
3193         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3194         return zero.
3195
3196 2008-01-21  Richard Guenther  <rguenther@suse.de>
3197
3198         PR middle-end/34856
3199         * tree-cfg.c (verify_expr): Allow all invariant expressions
3200         instead of just constant class ones as reference argument.
3201         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3202         like any other constant.
3203         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3204
3205 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3206
3207         * regmove.c (fixup_match_1): Update call crossed frequencies.
3208
3209 2008-01-21  Richard Guenther  <rguenther@suse.de>
3210
3211         PR c/34885
3212         * tree-inline.c (setup_one_parameter): Deal with mismatched
3213         types using a VIEW_CONVERT_EXPR.
3214
3215 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3216             Olga Golovanevsky  <olga@il.ibm.com>
3217         
3218         PR tree-optimization/34701
3219         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3220         when the structure size is not a power of 2.
3221
3222 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3223
3224         * doc/install.texi: Add doc for --enable-checking=df.
3225         
3226 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3227
3228         PR rtl-optimization/34808
3229         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3230
3231 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3232
3233         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3234         input.
3235
3236 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3237
3238         PR rtl-optimization/26854
3239         PR rtl-optimization/34400
3240         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3241         DF_RD->gen.
3242         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3243         (df_rd_bb_info.expanded_lr_out): New.
3244         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3245         * loop_iv.c (iv_analysis_loop_init): Ditto.
3246         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3247         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3248         Added code to allocate, initialize or free expanded_lr_out.
3249         (df_rd_bb_local_compute_process_def): Restructured to make
3250         more understandable.
3251         (df_rd_confluence_n): Add code to do nothing with fake edges and
3252         code to no apply invalidate_by_call sets if the sets are being trimmed.
3253         (df_lr_local_finalize): Renamed to df_lr_finalize.
3254         (df_live_local_finalize): Renamed to df_live_finalize.
3255
3256 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3257
3258         PR target/34831
3259         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3260         deciding whether to use reciprocal instructions.
3261
3262 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3263
3264         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3265         dwarf2out_note_section_used if cold_text_section is NULL.
3266
3267 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3268
3269         PR gcov-profile/34610
3270         * tree-cfg.c (make_edges): Mark both outgoing edges from
3271         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3272         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3273         from OMP_FOR and OMP_CONTINUE outgoing edges.
3274
3275         * tree-profile.c (tree_profiling): Return early if
3276         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3277         at the end.
3278         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3279         from cfun to child_cfun.
3280         * function.h (struct function): Add after_tree_profile bit.
3281
3282 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3283
3284         * config/avr/avr.S (_exit): Disable interrupt.
3285
3286 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3287             Steven Bosscher  <stevenb.gcc@gmail.com>
3288
3289         PR rtl-optimization/26854
3290         PR rtl-optimization/34400
3291         * df-problems.c (df_live_scratch): New scratch bitmap.
3292         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3293         (df_live_reset): Clear the proper bitmaps.
3294         (df_live_bb_local_compute): Only process the artificial defs once
3295         since the order is not important.
3296         (df_live_init): Init the df_live sets only with the variables
3297         found live by df_lr.
3298         (df_live_transfer_function): Use the df_lr sets to prune the
3299         df_live sets as they are being computed.  
3300         (df_live_free): Free df_live_scratch.
3301
3302 2008-01-18  Ian Lance Taylor  <iant@google.com>
3303
3304         * common.opt: Add fmerge-debug-strings.
3305         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3306         flag_merge_debug_strings rather than flag_merge_constants.
3307         * doc/invoke.texi (Option Summary): Mention
3308         -fmerge-debug-strings.
3309         (Debugging Options): Document -fmerge-debug-strings.
3310
3311 2008-01-18  Ian Lance Taylor  <iant@google.com>
3312
3313         PR c++/33407
3314         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3315         (struct tree_function_decl): Add new field operator_new_flag.
3316         * tree-inline.c (expand_call_inline): When inlining a call to
3317         operator new, force the return value to go into a variable, and
3318         set DECL_NO_TBAA_P on that variable.
3319         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3320
3321 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3322
3323         PR debug/34484
3324         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3325         DWARF2_DEBUGGING_INFO.
3326         (dwarf2out_note_section_used): Ditto.  Add prototype.
3327         (have_multiple_function_sections, text_section_used,
3328         cold_text_section_used, *cold_text_sections): Move declarations
3329         before their uses.
3330
3331 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3332
3333         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3334         field and add signal_ra.
3335         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3336         assignments to frame state pc.  Move end of stack check after
3337         MD_FALLBACK_FRAME_STATE_FOR.
3338         (uw_update_context_1): Use frame state signal_regs if set, instead
3339         of checking signal_frame flag.
3340         (uw_update_context): Use frame state signal_ra if set.
3341         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3342         * config/xtensa/linux-unwind.h: New file.
3343
3344 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3345
3346         * modulo-sched.c (get_sched_window): Fix comment typo.
3347
3348 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3349
3350         PR tree-optimization/34648
3351         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3352
3353 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3354
3355         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3356         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3357
3358 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3359
3360         PR rtl-optimization/34400
3361         * df-core.c (df_worklist_dataflow_overeager,
3362         df_worklist_dataflow_doublequeue): New functions.
3363         (df_worklist_dataflow): Two different worklist solvers.
3364         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3365         New param.
3366
3367 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         PR testsuite/34821
3370         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3371         and ftree-parallelize-loops.
3372
3373 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3374
3375         PR rtl-optimization/34826
3376         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3377
3378 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3379
3380         * global.c (find_reg): Mark the eh regs as used if necessary.
3381         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3382         * ra.h (struct allocno): no_eh_reg field added.  Changed
3383         no_stack_reg type to bitfield.
3384
3385 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3386
3387         * tree.c (substitute_in_expr): Add missing 'break'.
3388
3389 2008-01-17  Richard Guenther  <rguenther@suse.de>
3390
3391         PR tree-optimization/34825
3392         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3393         x / x as division to handle.
3394
3395 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3396
3397         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3398         "-pthread" is specified.
3399         * pa-hpux11.h (LIB_SPEC): Likewise.
3400
3401 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3402             Peter Bergner  <bergner@vnet.ibm.com>
3403
3404         PR rtl-optimization/33796
3405         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3406
3407 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3408
3409         PR libgfortran/34699
3410         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3411         static links.
3412         * pa-hpux10.h (LINK_SPEC): Likewise.
3413         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3414
3415 2008-01-16  Richard Guenther  <rguenther@suse.de>
3416
3417         PR middle-end/32628
3418         * fold-const.c (fold_convert_const_int_from_int): Do not
3419         set overflow if that occured only because of a sign extension
3420         change when converting from/to a sizetype with the same
3421         precision and signedness.
3422
3423 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3424
3425         PR debug/34249
3426         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3427         location address to the correct place.  Update copyright year.
3428
3429 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3432         no dependences in the dependence_relations vector.
3433
3434 2008-01-16  Jan Hubicka  <jh@suse.cz>
3435
3436         PR rtl-optimization/31396
3437         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3438         * cfg.c (dump_reg_info): Print it.
3439         * regs.h (struct reg_info_t): add freq_calls_crossed.
3440         (REG_FREQ_CALLS_CROSSED): New macro.
3441         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3442         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3443         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3444         regmove_optimize): Update call crossed frequencies.
3445         * local-alloc.c (struct qty): Add freq_calls_crossed.
3446         (alloc_qty): Copute freq_calls_crossed.
3447         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3448         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3449         * ra.h (struct allocno): Add freq_calls_crossed.
3450
3451 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3452
3453         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3454         libgomp when compiling with ftree-parallelize-loops.
3455         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3456
3457 2008-01-16  Richard Guenther  <rguenther@suse.de>
3458
3459         PR tree-optimization/34769
3460         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3461         * tree.c (int_cst_value): Instead make this function more
3462         permissive in what it accepts as valid input.  Document this
3463         function always sign-extends the value.
3464