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1 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2             Olga Golovanevsky  <olga@il.ibm.com>
3
4         PR tree-optimization/35041
5         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6         to locate the right position in a statement.
7
8 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
9
10         PR target/34000
11         PR target/35553
12         * config/i386/xmmintrin.h:  Change all static inline functions to
13         extern inline and add __gnu_inline__ attribute.
14         * config/i386/bmintrin.h: Ditto.
15         * config/i386/smmintrin.h: Ditto.
16         * config/i386/tmmintrin.h: Ditto.
17         * config/i386/mmintrin-common.h: Ditto.
18         * config/i386/ammintrin.h: Ditto.
19         * config/i386/emmintrin.h: Ditto.
20         * config/i386/pmmintrin.h: Ditto.
21         * config/i386/mmintrin.h: Ditto.
22         * config/i386/mm3dnow.h: Ditto.
23
24 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
25
26         PR middle-end/35185
27         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
28         (lower_omp_2): New function.
29         (lower_omp_1, lower_omp): Rewritten.
30
31 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
32
33         PR 35054
34         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
35         with the phrase "Microsoft Windows compilers".
36         (Push/Pop Macro Pragmas): New subsection. Document
37         #pragma push_macro and pragma pop_macro.
38
39 2008-03-12  Paul Brook  <paul@codesourcery.com>
40
41         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
42
43 2008-03-12  Paul Brook  <paul@codesourcery.com>
44
45         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
46         (thumb2_alusi3_short): Exclude PLUS and MINUS.
47         (thumb2_addsi_shortim): Rename ...
48         (thumb2_addsi_short): ... to this.  Allow register operands.
49         (thumb2_subsi_short): New pattern.
50         (thumb2_one_cmplsi2_short,
51         thumb2_negsi2_short): New patterns and peepholes.
52
53 2008-03-12  Paul Brook  <paul@codesourcery.com>
54
55         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
56
57 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
58
59         * config/i386/i386.md (int_cond): New code iterator.
60         (fp_cond): Ditto.
61         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
62         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
63         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
64         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
65         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
66         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
67         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
68         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
69
70 2008-03-12  Paul Brook  <paul@codesourcery.com>
71
72         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
73         instead of {arm,thumb}_compute_save_reg_mask.
74         (output_return_instruction): Ditto.
75         (thumb_unexpanded_epilogue): Ditto.
76         (thumb1_expand_prologue): Ditto.
77         (thumb1_output_function_prologue): Ditto.
78         (arm_set_return_address): Ditto.
79         (thumb_set_return_address): Ditto.
80         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
81         regs to achieve stack alignment.
82         (thumb1_compute_save_reg_mask): Fix compiler warning.
83         (arm_output_epilogue): Use offsets->saved_regs_mask.
84         Adjust stack pointer by poping call clobered registers.
85         (arm_expand_prologue): Use offsets->saved_regs_mask.
86         Adjust stack pointer by pushing extra registers.
87         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
88
89 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
90
91         PR tree-opt/35422
92         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
93         conversion to the operands of a multiplication.
94
95 2008-03-12  Richard Guenther  <rguenther@suse.de>
96
97         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
98         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
99         * timevar.def (TV_TREE_PHIPROP): Add.
100         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
101         pass description.  Use TV_TREE_PHIPROP.
102         * tree-ssa-forwprop.c: Remove phiprop code.
103
104 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
105
106         PR middle-end/35549
107         * omp-low.c (maybe_lookup_decl): Constify first argument.
108         (use_pointer_for_field): Change last argument from bool to
109         omp_context *.  Disallow shared copy-in/out in nested
110         parallel if decl is shared in outer parallel too.
111         (build_outer_var_ref, scan_sharing_clauses,
112         lower_rec_input_clauses, lower_copyprivate_clauses,
113         lower_send_clauses, lower_send_shared_vars): Adjust callers.
114
115 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
116             Ira Rosen  <irar@il.ibm.com>
117
118         * tree-vectorizer.c (free_stmt_vec_info): New function.
119         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
120         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
121         * tree-vectorizer.h (free_stmt_vec_info): Declare.
122         * tree-vect-transform.c (vectorizable_conversion): Free
123         vec_oprnds0 if it was allocated.
124         (vect_permute_store_chain): Remove unused VECs.
125         (vectorizable_store): Free VECs that are allocated in the..
126         function.
127         (vect_transform_strided_load, vectorizable_load): Likewise.
128         (vect_remove_stores): Simplify the code.
129         (vect_transform_loop): Move code to vect_remove_stores().
130         Call vect_remove_stores() and free_stmt_vec_info().
131
132 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
133
134         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
135         TARGET_HPUX.  Revise comment.
136         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
137         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
138         Use sr4 variant of `be' instruction when not generating PIC code.
139         (attr_length_call): Adjust for above change.
140
141 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
142
143         * ipa-reference.c (static_execute): Remove module_statics_const and
144         associated setting code.
145
146 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
147
148         PR target/35540
149         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
150         constraint for operand 1.
151         (paritysi2_cmp): Use register_operand constraint for operand 2.
152         Use earlyclobber modifier for operand 1.  Remove support for
153         memory operands.
154         (paritydi2_cmp): Use register_operand constraint for operand 3.
155         Use earlyclobber modifier for operand 1.  Remove support for
156         memory operands.
157
158 2008-03-11  Paul Brook  <paul@codesourcery.com>
159             Vladimir Prus  <vladimir@codesourcery.com>
160
161         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
162         (arm_compute_save_reg0_reg12_mask): Always
163         check if register 11 must be saved.  Always safe hard frame pointer
164         when frame_pointer_needeed.
165         (arm_compute_save_reg_mask): Save IP and PC
166         only with apcs frames.
167         (arm_output_epilogue): Adjust Thumb2 codepath to
168         be also invoked and work for ARM non-apcs frames.
169         (arm_expand_prologue): Don't bother saving IP
170         for non-apcs frame, since it's not clobbered by
171         prologue code.  Implement non-apcs frame
172         layout.
173
174 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
175
176         PR rtl-optimization/35281
177         * expr.c (convert_move): Use a new pseudo for the intermediate
178         from_mode->word_mode result.
179
180 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
181
182         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
183         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
184         * toplev.c (compile_file): Don't call it.
185
186 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
187
188         PR middle-end/35526
189         * expr.c (store_expr): Call emit_block_move if the mode
190         of "temp" RTX is BLKmode.
191
192 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
193             Richard Guenther  <rguenther@suse.de>
194
195         PR tree-optimization/31358
196         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
197         the step with a NULL_TREE.
198         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
199         to sizetype if type is a pointer type.
200         (add_candidate_1): Don't convert the base and step to
201         the generic type if the orginal type is a pointer type.
202         (add_iv_value_candidates): Use sizetype for the step
203         if type is a pointer type.
204         (cand_value_at): Likewise.
205         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
206         for pointer types.
207         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
208         Don't convert the tem affine to the type.
209         (add_elt_to_tree): Use sizetype for the step if a pointer.
210         Use POINTER_PLUS_EXPR for pointers.
211         (aff_combination_to_tree): Use sizetype for the step if a
212         pointer.
213
214 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
215
216         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
217         Remove commutativity hint.
218
219 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
220
221         PR c/35438
222         PR c/35439
223         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
224         errorneous type.  Check that v is a VAR_DECL.
225
226         PR middle-end/35099
227         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
228
229 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
230
231         PR tree-optimization/35494
232         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
233         may be overriden at link and run time.
234
235 2008-03-10  Richard Guenther  <rguenther@suse.de>
236
237         PR tree-optimization/34677
238         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
239         (poolify_tree): Likewise.
240         (modify_expr_template): Likewise.
241         (poolify_modify_stmt): Likewise.
242         (insert_fake_stores): Handle all component-ref style stores
243         in addition to INDIRECT_REF.  Also handle complex types.
244         Do not poolify the inserted load.
245         (realify_fake_stores): Do not rebuild the tree but only
246         make it a SSA_NAME copy.
247         (init_pre): Remove initialzation of modify_expr_template.
248         Do not allocate modify_expr_node_pool.
249         (fini_pre): Do not free modify_expr_node_pool.
250
251 2008-03-10  Paul Brook  <paul@codesourcery.com>
252
253         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
254         to avoid conflicts.
255
256 2008-03-10  Paul Brook  <paul@codesourcery.com>
257             Mark Shinwell  <shinwell@codesourcery.com>
258
259         * config/arm/cortex-r4.md: New.
260         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
261         insn attributes.
262         * config/arm/arm.md: Include cortex-r4.md.
263         (insn): Add smmls, sdiv and udiv values.
264         (generic_sched): Don't use generic scheduling for Cortex-R4.
265         (arm_issue_rate): New function.
266         (TARGET_SCHED_ISSUE_RATE): Define.
267
268 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
269
270         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
271
272 2008-03-10  Richard Guenther  <rguenther@suse.de>
273
274         * tree-ssa-pre.c (get_sccvn_value): Simplify.
275         (compute_avail): Do not add stmt uses to AVAIL_OUT.
276
277 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
278
279         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
280         Set default to true.
281
282 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
283
284         * c.opt (Wsynth): Deprecate.
285         * doc/invoke.texi (Option Summary, Warning Options): Document
286         -Wno-format-contains-nul.
287
288 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
289
290         PR target/35496
291         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
292         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
293
294 2008-03-09  Ira Rosen  <irar@il.ibm.com>
295
296         * config/rs6000/rs6000.c (builtin_description): Rename vector
297         left shift operations.
298         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
299         (altivec_vsl<VI_char>): Rename to ...
300         (ashl<mode>3): ... new name.
301         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
302         gen_ashlv4si3.
303         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
304
305 2008-03-08  Richard Guenther  <rguenther@suse.de>
306
307         * coverage.h (tree_coverage_counter_addr): Declare.
308         * coverage.c (tree_coverage_counter_addr): New function.
309         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
310         before using again.
311         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
312         (tree_gen_one_value_profiler): Likewise.
313         (tree_gen_ic_profiler): Likewise.
314         (tree_gen_average_profiler): Likewise.
315         (tree_gen_ior_profiler): Likewise.
316
317 2008-03-08  Richard Guenther  <rguenther@suse.de>
318
319         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
320         (vn_binary_op_insert): Likewise.
321         (vn_unary_op_lookup): Likewise.
322         (vn_unary_op_insert): Likewise.
323         (vn_nary_op_lookup): Declare.
324         (vn_nary_op_insert): Likewise.
325         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
326         and binary hashes, use a single obstack for unary_op_pool
327         and binary_op_pool.
328         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
329         a single struct vn_nary_op_s.  Store tree code length and
330         a variable number of operands.
331         (struct vn_reference_op_struct): Remove unused op2.
332         (vn_reference_op_eq): Do not compare op2.
333         (vn_reference_op_compute_hash): Do not compute hash of op2.
334         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
335         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
336         with vn_nary_op_compute_hash.
337         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
338         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
339         vn_nary_op_lookup.
340         (vn_unary_op_insert, vn_binary_op_insert): Replace with
341         vn_nary_op_insert.
342         (visit_unary_op): Call nary functions.
343         (visit_binary_op): Likewise.
344         (process_scc): Adjust for struct vn_tables_s changes.
345         (allocate_vn_table): Likewise.
346         (free_vn_table): Likewise.
347         * tree-vn.c (vn_add): Call nary functions.
348         (vn_lookup): Likewise.
349
350 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
351
352         PR target/35498
353         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
354         wdst back after sync_compare_and_swapqhi_internal.
355
356 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
357
358         PR target/22152
359         * config/i386/i386-modes.def (V1DI): New vector mode.
360         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
361         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
362         (MMXMODE248): Ditto.
363         (MMXMODE): Add V1DI mode.
364         (mmxvecsize): Change DI mode to V1DI mode.
365         ("mov<mode>): Use MMXMODEI8 mode iterator.
366         ("*mov<mode>_internal_rex64"): Ditto.
367         ("*mov<mode>_internal"): Ditto.
368         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
369         ("mmx_sub<mode>3"): Ditto.
370         ("mmx_adddi3"): Remove insn pattern.
371         ("mmx_subdi3"): Ditto.
372         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
373         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
374         ("mmx_ashl<mode>3"): Ditto.
375         ("mmx_lshrdi3"): Remove insn pattern.
376         ("mmx_ashldi3"): Ditto.
377         * config/i386/i386.c (classify_argument): Handle V1DImode.
378         (function_arg_advance_32): Ditto.
379         (function_arg_32): Ditto.
380         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
381         mmx_addv1di3 insn pattern.
382         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
383         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
384         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
385         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
386         Remove definitions of built-in functions.
387         (V1DI_type_node): New node.
388         (v1di_ftype_v1di_int): Ditto.
389         (v1di_ftype_v1di_v1di): Ditto.
390         (v2si_ftype_v2si_si): Ditto.
391         (v4hi_ftype_v4hi_di): Remove node.
392         (v2si_ftype_v2si_di): Ditto.
393         (ix86_init_mmx_sse_builtins): Handle V1DImode.
394         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
395         Redefine builtins using def_builtin_const with *_ftype_*_int node.
396         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
397         Add new builtins using def_builtin_const.
398         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
399         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
400         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
401         * config/i386/mmintrin.h (__v1di): New typedef.
402         (_mm_add_si64): Cast arguments to __v1di type.
403         (_mm_sub_si64): Ditto.
404         (_mm_sll_pi16): Cast __count to __v4hi type.
405         (_mm_sll_pi32): Cast __count to __v2si type.
406         (_mm_sll_si64): Cast arguments to __v1di type.
407         (_mm_srl_pi16): Cast __count to __v4hi type.
408         (_mm_srl_pi32): Cast __count to __v2si type.
409         (_mm_srl_si64): Cast arguments to __v1di type.
410         (_mm_sra_pi16): Cast __count to __v4hi type.
411         (_mm_sra_pi32): Cast __count to __v2si type.
412         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
413         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
414         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
415         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
416         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
417         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
418         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
419         (_mm_srai_pi32): Use __builtin_ia32_psradi.
420         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
421         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
422         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
423         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
424
425 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
426
427         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
428
429 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
430
431         PR target/35373
432         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
433         reg+const addressing for Altivec modes.  Don't generate reg+reg
434         addressing for TFmode or TDmode quantities.
435
436 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
437
438         * c-common.c (vector_types_convertible_p): Call langhook
439         instead of comptypes.
440
441 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
442
443         PR tree-opt/35402
444         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
445         integral and scalar float variables which have a
446         NULL DECL_INITIAL.
447
448 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
449
450         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
451         dwarf_register_span hook when emitting unwind information for
452         register-to-memory saves.
453         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
454         (rs6000_frame_related): Remove call to spe_synthesize_frame.
455
456 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
457
458         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
459         for the same VAR_DECL.
460
461 2008-03-06  Tom Tromey  <tromey@redhat.com>
462
463         * treelang: Delete.
464         * doc/standards.texi (Standards): Don't mention treelang.
465         * doc/invoke.texi (Overall Options): Don't mention treelang.
466         * doc/install.texi (Prerequisites): Don't mention bison or
467         treelang.
468         (Configuration): Don't mention treelang.
469         (Building): Likewise.
470         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
471
472 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
473
474         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
475         word-extractions out of a multi-word object.
476
477 2008-03-06  Richard Guenther  <rguenther@suse.de>
478
479         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
480         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
481         result type and precision.
482         * expr.c (get_inner_reference): Set unsignedp based on the result
483         type of BIT_FIELD_REF.
484         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
485         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
486         (try_instantiate_multiple_fields): Likewise.  Use the correct type
487         for BIT_FIELD_REF.
488         (sra_build_assignment): Likewise.
489         (sra_build_elt_assignment): Likewise.
490         (sra_explode_bitfield_assignment): Likewise.
491         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
492         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
493         set BIT_FIELD_REF_UNSIGNED.
494         (vectorizable_load): Likewise.
495
496 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
497
498         * cse.c (cse_extended_basic_block): Invalidate artificial defs
499         at bb start.
500
501 2008-03-06  Richard Guenther  <rguenther@suse.de>
502
503         * alias.c (struct alias_set_entry): Move has_zero_child field
504         to pack with alias_set.
505
506 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
507
508         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
509         32bit host.
510
511 2008-03-05  Ian Lance Taylor  <iant@google.com>
512
513         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
514
515 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
516
517         * fwprop.c (update_df): Support width and offset parameters of
518         df_ref_create.
519         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
520         global_conflicts): Change DF_REF_EXTRACT to either
521         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
522         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
523         * df-scan.c (df_ref_record, df_defs_record,
524         df_ref_create_structure, df_def_record_1, df_uses_record,
525         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
526         df_bb_refs_collect, df_entry_block_defs_collect,
527         df_exit_block_uses_collect): Support new width and offset fields.
528         (ref_extract_pool): New storage pool.
529         (df_free_ref): New function.
530         (df_reg_chain_unlink, df_free_collection_rec,
531         df_sort_and_compress_refs): Call df_free_ref.
532         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
533         of df_ref_extract.
534         (df_ref_create_structure): Allocate df_ref_extract if offset and
535         width fields are used.
536         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
537         (df_uses_record): Get offset and width from ZERO_EXTRACT 
538         and SIGN_EXTRACT.
539         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
540         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
541         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
542         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
543         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
544         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
545         (df_ref_extract): New structure.
546         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
547         (df_ref_create): Add width and offset parameters.
548         
549 2008-03-05  Richard Guenther  <rguenther@suse.de>
550
551         * tree-ssa-structalias.c (get_constraint_for_component_ref):
552         Use ranges_overlap_p.
553         (offset_overlaps_with_access): Rename
554         to ranges_overlap_p and move ...
555         * tree-flow-inline.h (ranges_overlap_p): ... here.
556
557         * tree.h (get_inner_reference, handled_component_p): Update
558         comments.
559
560         * tree.h (record_component_aliases, get_alias_set,
561         alias_sets_conflict_p, alias_sets_must_conflict_p,
562         objects_must_conflict_p): Move declarations ...
563         * alias.h (record_component_aliases, get_alias_set,
564         alias_sets_conflict_p, alias_sets_must_conflict_p,
565         objects_must_conflict_p): ... here.
566         Include coretypes.h.
567         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
568
569 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
570
571         * cfg.c: Include tree-flow.h.
572         (remove_edge_raw): Call redirect_edge_var_map_clear.
573         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
574         * tree-flow-inline.h (redirect_edge_var_map_def): New.
575         (redirect_edge_var_map_result): New.
576         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
577         PENDING_STMT use with redirect_edge_var_map_*.
578         * tree-ssa.c (edge_var_maps): New definition.
579         (redirect_edge_var_map_add): New.
580         (redirect_edge_var_map_clear): New.
581         (redirect_edge_var_map_dup): New.
582         (redirect_edge_var_map_vector): New.
583         (redirect_edge_var_map_destroy): New.
584         (ssa_redirect_edge): Replace PENDING_STMT use with
585         redirect_edge_var_map_*.
586         (flush_pending_stmts): Same.
587         (delete_tree_ssa): Destroy edge var map.
588         * tree-flow.h (struct _edge_var_map): New.
589         Define edge_var_map vector type.
590         Declare redirect_edge_var_map_* prototypes.
591         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
592         * tree-cfg.c (reinstall_phi_args): Replace
593         PENDING_STMT use with redirect_edge_var_map_*.
594
595 2008-03-05  Richard Guenther  <rguenther@suse.de>
596
597         PR tree-optimization/35472
598         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
599         whose single use_stmt has a overlapping set of loaded and
600         stored symbols as that use_stmt might be a noop assignment then.
601
602 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
603
604         * gthr-rtems.h: Implement __gthread_mutex_destroy.
605
606 2008-03-05  Richard Guenther  <rguenther@suse.de>
607
608         PR c++/35336
609         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
610         should be constants.
611         * tree-cfg.c (verify_expr): Verify it.
612         * fold-const.c (fold_truthop): Remove code generating
613         BIT_FIELD_REFs of structure bases.
614         (fold_binary): Likewise.
615         (fold_ternary): Position and size of BIT_FIELD_REFs are
616         always host integers.
617         (make_bit_field_ref): Remove.
618         (optimize_bit_field_compare): Remove.
619         (all_ones_mask_p): Remove.
620
621 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
622
623         PR gcc/33009
624         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
625         (split_block_and_df_analyze): New. Split basic block and rebuild
626         dataflow.
627         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
628         SPLIT_BLOCK.
629         (split_pattern_seq): Likewise.
630         (erase_matching_seqs): Likewise.
631         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
632
633 2008-03-04  Geoff Keating  <geoffk@apple.com>
634
635         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
636         declaration and code.
637         (tree_invalid_nonnegative_warnv_p): Likewise.
638
639 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
640
641         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
642         examples.  Truncate option-names then causing overfull hbox.
643
644 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
645
646         PR target/35222
647         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
648         on hpux10.
649         * configure: Rebuilt.
650
651 2008-03-04  Rafael Espindola  <espindola@google.com>
652
653         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
654         (tree_unary_nonnegative_warnv_p): New.
655         (tree_binary_nonnegative_warnv_p): New.
656         (tree_single_nonnegative_warnv_p): New.
657         (tree_invalid_nonnegative_warnv_p): New.
658         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
659
660 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
661
662         PR 28322
663         * opts.c (handle_option): Postpone 'unknown option' errors only for
664         warning options.
665
666 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
667
668         PR target/35453
669         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
670         (_SIDD_XXX): This.
671
672 2008-03-04  Rafael Espindola  <espindola@google.com>
673
674         * fold-const.c (tree_unary_nonzero_warnv_p): New.
675         (tree_binary_nonzero_warnv_p): New.
676         (tree_single_nonzero_warnv_p): New.
677         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
678
679 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
680
681         PR middle-end/35456
682         * fold-const.c (fold_cond_expr_with_comparison): Prevent
683         transformations for modes that have signed zeros.
684         * ifcvt.c (noce_try_abs): Ditto.
685
686 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
687
688         * config/i386/i386.c (override_options): Force
689         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
690
691 2008-03-04  Jan Hubicka  <jh@suse.cz>
692
693         PR c++/35262
694         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
695         in last commit.
696
697 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
698
699         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
700         label to probe the stack.
701
702 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
703
704         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
705         (__gthr_win32_mutex_destroy): Declare.
706         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
707         __gthr_win32_mutex_destroy.
708         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
709
710 2008-03-03  Jan Hubicka  <jh@suse.cz>
711
712         PR c++/35262
713         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
714         aggressive on inlining cold calls.
715
716 2008-03-03  Richard Guenther  <rguenther@suse.de>
717
718         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
719         struct copies into the expression table.
720         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
721         (try_to_simplify): Likewise.
722         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
723         integral and pointer arguments which do not change the
724         precision to NOP_EXPRs.
725         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
726         VIEW_CONVERT_EXPR case.
727
728 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
729
730         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
731         defined in a loop at depth 0 is invariant.
732         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
733         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
734         be called at loop depth 0.
735
736 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
737
738         PR driver/35420
739         * gcc.c (process_command): Update copyright notice dates.
740         * gcov.c (print_version): Likewise.
741         * gcov-dump.c (print_version): Likewise.
742         * mips-tfile.c (main): Likewise.
743         * mips-tdump.c (main): Likewise.
744
745 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
746
747         PR 24924
748         * c-common.c (flag_permissive): Delete.
749         (constant_expression_warnings): Check flags first.
750         (constant_expression_error): New.
751         * c-common.h (flag_permissive): Delete.
752         (constant_expression_error): Declare.
753         * flags.h (flag_permissive): Declare. Update description.
754         * diagnostic.c (pedwarn): Update.
755         (permerror): New.
756         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
757         (permissive_error_kind): New.
758         * toplev.c (flag_permissive): Define. Update description.
759         * toplev.h (permissive_error_kind): Declare.
760         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
761         (pedwarn_c90): Use pedantic_warning_kind.
762         * c-opts.c (c_common_post_options): flag_permissive does not affect
763         flag_pedantic_errors.
764
765 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
766
767         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
768         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
769         __absvsi2, __absvDI2): Use unsigned arithmetic.
770
771 2008-03-02  Andi Kleen  <ak@suse.de>
772             Richard Guenther  <rguenther@suse.de>
773
774         * struct-equiv.c: Remove file.
775         * cfg_cleanup.c (condjump_equiv_p): Remove.
776         * Makefile.in (OBJS-common): Remove struct-equiv.o.
777         (struct-equiv.o): Remove rule.
778         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
779         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
780         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
781
782 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
783
784         * ifcvt.c (noce_process_if_block): Try to handle only the then
785         block if the else block exists but isn't suitable.
786
787 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
788
789         PR gcc/35063
790         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
791         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
792         regression from previous patch.
793
794 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
795
796         PR gcc/35063
797         * gthr.h: Add __gthread_mutex_destroy as a function that must be
798         implemented.
799         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
800         * gthr-single.h (__gthread_mutex_destroy): Likewise.
801         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
802         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
803         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
804         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
805         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
806         (__gthread_mutex_destroy_function): Rename to
807         __gthread_mutex_destroy.
808         * gthr-dce.h (__gthread_mutex_destroy): Call
809         pthread_mutex_destroy.
810         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
811         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
812         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
813
814 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
815
816         * df-scan.c (df_ref_chain_change_bb): Simplify.
817         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
818         set_block_for_insn if there's any change.
819         * df.h ((df_insn_change_bb): Fix prototype.
820         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
821         df_insn_change_bb, don't call set_block_for_insn.
822         * emit-rtl.c (reorder_insns): Likewise.
823         * haifa-sched.c (move_insn): Likewise.
824
825 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
826
827         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
828
829 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
830
831         * tree-flow-inline.h (next_readonly_imm_use): Return
832         NULL_USE_OPERAND_P after the end.
833
834 2008-03-01  Richard Guenther  <rguenther@suse.de>
835
836         PR tree-optimization/35411
837         * tree-sra.c (sra_build_assignment): Split conversion to
838         final type to a separate statement if we are not assigning
839         to a register.
840
841 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
842
843         * fold-const.c (fold_convertible_p): Correct the logic to follow
844         that in fold_convert().
845
846 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
847
848         PR c++/35315
849         * tree-inline.c (build_duplicate_type): When we make a
850         duplicate type, make it unique in the canonical types system.
851
852 2008-02-29  Tom Tromey  <tromey@redhat.com>
853
854         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
855         input_file_stack_history, input_file_stack_restored): Remove.
856         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
857         * input.h (struct file_stack): Remove.
858         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
859         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
860         Likewise.
861         * diagnostic.h (struct diagnostic_context) <last_module>: Change
862         type.
863         (diagnostic_last_module_changed): Add 'map' argument.
864         (diagnostic_set_last_function): Likewise.
865         * diagnostic.c (undiagnostic_report_current_module): Iterate using
866         line map, not input_file_stack.
867         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
868
869 2008-02-29  Paul Brook  <paul@codesourcery.com>
870
871         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
872
873 2008-02-29  Paul Brook  <paul@codesourcery.com>
874
875         * config/arm/ieee754-df.S (muldf3): Use RET macros.
876
877 2008-02-29  Richard Guenther  <rguenther@suse.de>
878
879         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
880         vn_lookup_or_add.
881         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
882         value for comparing for a store match.
883         (simplify_unary_expression): Do nothing for SSA_NAMEs.
884         (try_to_simplify): Do not do a full-blown reference lookup.
885
886 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
887
888         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
889         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
890
891         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
892
893 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
894
895         * tree-loop-linear.c (try_interchange_loops): Compare memory access
896         strides against cache sizes.
897
898 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
899
900         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
901         constant to fpul.
902
903 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
904
905         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
906         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
907         is smaller than the original promoted value.
908         (simplify_subreg): If OP is a SUBREG, try to preserve its
909         SUBREG_PROMOTED_VAR_P information.
910
911 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
912
913         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
914         (VN_INFO_GET): Allocate new objects on the obstack.
915         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
916         for rpo_numbers_temp, for consistency.
917         (free_scc_vn): Free the obstack.
918
919 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
920
921         * doc/invoke.texi: Document -ftree-loop-distribution.
922         * tree-loop-distribution.c: New.
923         * tree-pass.h (pass_loop_distribution): New.
924         * graphds.h (struct graph): Add htab_t indices.
925         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
926         * tree-vectorizer.c (rename_variables_in_loop): Extern.
927         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
928         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
929         * tree-data-ref.c (debug_data_dependence_relations): New.
930         (dump_data_dependence_relation): Also print data references.
931         (free_data_ref): Extern.
932         (same_access_functions): Moved...
933         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
934         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
935         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
936         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
937         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
938         (stmts_from_loop): Skip LABEL_EXPR.
939         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
940         New.
941         (build_rdg): Initialize rdg->indices htab.
942         (free_rdg, stores_from_loop, ref_base_address,
943         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
944         have_similar_memory_accesses_1, ref_base_address_1,
945         remove_similar_memory_refs): New.
946         * tree-data-ref.h: Depend on tree-chrec.h.
947         (debug_data_dependence_relations, free_data_ref): Declared.
948         (same_access_functions): ... here.
949         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
950         New.
951         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
952         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
953         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
954         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
955         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
956         rdg_vertex_for_stmt): Declared.
957         (struct rdg_edge): Add level.
958         (RDGE_LEVEL): New.
959         (free_rdg, stores_from_loop, remove_similar_memory_refs,
960         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
961         Declared.
962         (rdg_has_similar_memory_accesses): New.
963         * tree-vect-analyze.c: Remove unused static decls.
964         * lambda.h (dependence_level): New.
965         * common.opt (ftree-loop-distribution): New.
966         * tree-flow.h (mark_virtual_ops_in_bb, 
967         slpeel_tree_duplicate_loop_to_edge_cfg,
968         rename_variables_in_loop): Declared.
969         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
970         (OBJS-common): Add tree-loop-distribution.o.
971         (tree-loop-distribution.o): New rule.
972         * tree-cfg.c (mark_virtual_ops_in_bb): New.
973         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
974         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
975
976 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
977
978         PR target/33963
979         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
980         other than structures and unions.
981
982 2008-02-28  Richard Guenther  <rguenther@suse.de>
983
984         Revert:
985         2008-02-26  Richard Guenther  <rguenther@suse.de>
986
987         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
988         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
989         (lookup_decl_from_uid): Declare.
990         (remove_decl_from_map): Likewise.
991         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
992         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
993         (decl_for_uid_map): New global hashtable mapping DECL_UID
994         to the decl tree.
995         (init_ttree): Allocate it.
996         (insert_decl_to_uid_decl_map): New helper function.
997         (make_node_stat): Insert new decls into the map.
998         (copy_node_stat): Likewise.
999         (lookup_decl_from_uid): New function.
1000         (remove_decl_from_map): Likewise.
1001         (print_decl_for_uid_map_statistics): New helper.
1002         (dump_tree_statistics): Call it.
1003
1004         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1005         (referenced_var_iterator): Adjust.
1006         (FOR_EACH_REFERENCED_VAR): Adjust.
1007         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1008         (num_referenced_vars): Adjust.
1009         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1010         (first_referenced_var): Remove.
1011         (end_referenced_vars_p): Likewise.
1012         (next_referenced_var): Likewise.
1013         (referenced_var_iterator_set): New helper function.
1014         * tree-dfa.c (referenced_var_lookup): Adjust.
1015         (referenced_var_check_and_insert): Likewise.
1016         (remove_referenced_var): Likewise.
1017         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1018         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1019         (verify_call_clobbering): Likewise.
1020         (verify_memory_partitions): Likewise.
1021         (init_tree_ssa): Allocate bitmap instead of hashtable for
1022         referenced_vars.
1023         (delete_tree_ssa): Adjust.
1024         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1025         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1026         (compute_tag_properties): Likewise.
1027         (set_initial_properties): Likewise.
1028         (find_partition_for): Likewise.
1029         (update_reference_counts): Likewise.
1030         (dump_may_aliases_for): Likewise.
1031         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1032         (add_call_clobber_ops): Likewise.
1033         (add_call_read_ops): Likewise.
1034         (get_asm_expr_operands): Likewise.
1035         * tree-into-ssa.c (dump_decl_set): Likewise.
1036         (update_ssa): Likewise.
1037         * tree-sra.c (scan_function): Likewise.
1038         (decide_instantiations): Likewise.
1039         (scalarize_parms): Likewise.
1040         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1041         (dsa_named_for): Likewise.
1042         * tree-ssa-structalias.c (update_alias_info): Likewise.
1043         (merge_smts_into): Likewise.
1044
1045 2008-02-27  David Daney  <ddaney@avtrex.com>
1046
1047         PR target/34409
1048         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1049         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1050         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1051         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1052         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1053
1054 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1055
1056         PR target/25477
1057         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1058         (BUILT_IN_NEXTTOWARD): Remove.
1059         (BUILT_IN_NEXTTOWARDF): Ditto.
1060         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1061         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1062
1063 2008-02-27  Tom Tromey  <tromey@redhat.com>
1064
1065         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1066         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1067
1068 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1069
1070         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1071         update the respective field on newdecl.
1072
1073 2008-02-27  Revital Eres  <eres@il.ibm.com>
1074
1075         PR rtl-optimization/34999
1076         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1077         crossing edges that ends with a call insn.
1078         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1079         call insn and clear the EDGE_CROSSING flag of the crossing edge
1080         when fixing fallthru edges.
1081
1082 2008-02-27  Richard Guenther  <rguenther@suse.de>
1083
1084         PR middle-end/35390
1085         * fold-const.c (fold_unary): Return the correct argument,
1086         converted to the result type.
1087
1088 2008-02-27  Richard Guenther  <rguenther@suse.de>
1089
1090         PR middle-end/34971
1091         * expr.c (expand_expr_real_1): Assert on rotates that operate
1092         on partial modes.
1093         * fold-const.c (fold_binary): Use the types precision, not the
1094         bitsize of the mode if folding rotate expressions.  Build rotates
1095         only for full modes.
1096
1097 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1098
1099         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1100         and CPP_PRAGMA_EOL.
1101         * c-pragma.c (pragma_ns_name): New typedef.
1102         (registered_pp_pragmas): New variable.
1103         (c_pp_lookup_pragma): New function.
1104         (c_register_pragma_1): If flag_preprocess_only, do nothing
1105         for non-expanded pragmas, for expanded ones push pragma's
1106         namespace and name into registered_pp_pragmas vector.
1107         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1108         flag_preprocess_only, don't register GCC pch_preprocess
1109         pragma if flag_preprocess_only.
1110         * c-opts.c (c_common_init): Call init_pragma even if
1111         flag_preprocess_only.
1112         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1113         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1114         cpp_register_pragma if flag_preprocess_only.
1115
1116 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1117
1118         PR c/28800
1119         * c-parser.c (c_parser_translation_unit): Warn for empty
1120         translation unit, not empty source file.
1121
1122 2008-02-26  Paul Brook  <paul@codesourcery.com>
1123
1124         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1125         operand for Thumb-2.
1126         * config/arm/arm.h (reg_class): Add CORE_REGS.
1127         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1128         (BASE_REG_CLASS): Use CORE_REGS.
1129         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1130         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1131         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1132         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1133         ARM_REGNO_OK_FOR_INDEX_P.
1134         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1135         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1136         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1137         (ldm/stm peepholes): Ditto.
1138         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1139         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1140         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1141         * config/arm/constraints.md: Enable "k" constraint on ARM.
1142
1143 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1144
1145         * config/rs6000/rs6000.c: Annotate cache line size field in all
1146         instances of struct processor_costs.
1147
1148 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1149
1150         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1151         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1152         jump_bypass): New counters.
1153         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1154         * dce.c (gate_ud_dce): Same.
1155         (gate_fast_dce): Same.
1156         * dse.c (gate_dse1): New function.
1157         (gate_dse2): New function.
1158         (gate_dse): Merge results of new gate functions.
1159         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1160         (gate_handle_jump_bypass): Add dbg_cnt.
1161         (gate_handle_gcse): Add dbg_cnt.
1162         * ifcvt.c (gate_handle_if_conversion): Same.
1163         (gate_handle_if_after_combine): Same.
1164         (gate_handle_if_after_reload): Same.
1165         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1166
1167 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1168
1169         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1170         line sizes.
1171         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1172
1173 2008-02-26  Jason Merrill  <jason@redhat.com>
1174
1175         PR c++/35315
1176         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1177         alone if it's the naming decl for the type's main variant.
1178
1179 2008-02-26  Tom Tromey  <tromey@redhat.com>
1180
1181         * system.h (USE_MAPPED_LOCATION): Poison.
1182         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1183         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1184         (make_goto_expr_edges): Likewise.
1185         (remove_bb): Likewise.
1186         (execute_warn_function_return): Likewise.
1187         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1188         location_t.
1189         * c-common.c (fname_decl): Remove old location code.
1190         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1191         location code.
1192         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1193         variant.
1194         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1195         (gen_rtx_ASM_INPUT): Likewise.
1196         (gen_rtx_ASM_INPUT_loc): Likewise.
1197         (get_rtx_asm_OPERANDS): Remove.
1198         * cfglayout.c (insn_locators_alloc): Remove old location code.
1199         (set_curr_insn_source_location): Likewise.
1200         (curr_insn_locator): Likewise.
1201         * print-tree.c (print_node): Remove old location code.
1202         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1203         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1204         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1205         location_from_locus.
1206         (construct_exit_block): Remove old location code.
1207         * emit-rtl.c (force_next_line_note): Remove old location code.
1208         * profile.c (branch_prob): Remove old location code.
1209         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1210         LOC_LINE): Remove old-location variants.
1211         * langhooks.c (lhd_print_error_function): Remove old location
1212         code.
1213         * configure, config.in: Rebuilt.
1214         * configure.ac (--enable-mapped-location): Remove.
1215         * c-decl.c (c_init_decl_processing): Remove old location code.
1216         (finish_function): Likewise.
1217         * recog.c (decode_asm_operands): Remove old location code.
1218         * c-pch.c (c_common_read_pch): Remove old location code.
1219         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1220         variants.
1221         * gimple-low.c (lower_function_body): Remove old location code.
1222         * toplev.c (unknown_location): Remove.
1223         (push_srcloc): Remove old-location variant.
1224         (process_options): Remove old location code.
1225         (lang_dependent_init): Likewise.
1226         * input.h (UNKNOWN_LOCATION): Move definition.
1227         (location_t): Undeprecate.
1228         (source_locus): Remove.
1229         (location_from_locus): Remove.
1230         (struct location_s): Remove.
1231         Remove all old-location code.
1232         (input_line, input_filename): Remove.
1233         * final.c (final_scan_insn): Remove old location code.
1234         * diagnostic.c (diagnostic_build_prefix): Remove
1235         USE_MAPPED_LOCATION test.
1236         * tree.h (gimple_stmt) <locus>: Now a location_t.
1237         (tree_exp) <locus>: Likewise.
1238         (DECL_IS_BUILTIN): Remove old-location variant.
1239         (annotate_with_file_line, annotate_with_locus): Likewise.
1240         (expr_locus, set_expr_locus): Update.
1241         * tree.c (build1_stat): Remove old location code.
1242         (last_annotated_node): Remove.
1243         (annotate_with_file_line): Remove old-location variant.
1244         (annotate_with_locus): Likewise.
1245         (expr_location): Remove old location code.
1246         (set_expr_location): Likewise.
1247         (expr_has_location): Likewise.
1248         (expr_locus): Likewise.
1249         (set_expr_locus): Likewise.
1250         (expr_filename): Don't use location_from_locus.
1251         (expr_lineno): Likewise.
1252         * rtl-error.c (location_for_asm): Remove old location code.
1253         * c-lex.c (cb_line_change): Remove old location code.
1254         (fe_file_change): Likewise.
1255         (cb_def_pragma): Likewise.
1256         (c_lex_with_flags): Likewise.
1257         * gengtype.c (do_typedef): Don't special-case location types.
1258         (define_location_structures): Remove.
1259         (main): Don't call define_location_structures.
1260         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1261         code.
1262
1263 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1264
1265         PR 26264
1266         * builtins.def (BUILT_IN_STDARG_START): Remove.
1267         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1268         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1269         * tree-inline.c (inline_forbidden_p_1): Likewise.
1270         
1271 2008-02-26  Richard Guenther  <rguenther@suse.de>
1272
1273         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1274         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1275         (lookup_decl_from_uid): Declare.
1276         (remove_decl_from_map): Likewise.
1277         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1278         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1279         (decl_for_uid_map): New global hashtable mapping DECL_UID
1280         to the decl tree.
1281         (init_ttree): Allocate it.
1282         (insert_decl_to_uid_decl_map): New helper function.
1283         (make_node_stat): Insert new decls into the map.
1284         (copy_node_stat): Likewise.
1285         (lookup_decl_from_uid): New function.
1286         (remove_decl_from_map): Likewise.
1287         (print_decl_for_uid_map_statistics): New helper.
1288         (dump_tree_statistics): Call it.
1289
1290         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1291         (referenced_var_iterator): Adjust.
1292         (FOR_EACH_REFERENCED_VAR): Adjust.
1293         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1294         (num_referenced_vars): Adjust.
1295         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1296         (first_referenced_var): Remove.
1297         (end_referenced_vars_p): Likewise.
1298         (next_referenced_var): Likewise.
1299         (referenced_var_iterator_set): New helper function.
1300         * tree-dfa.c (referenced_var_lookup): Adjust.
1301         (referenced_var_check_and_insert): Likewise.
1302         (remove_referenced_var): Likewise.
1303         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1304         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1305         (verify_call_clobbering): Likewise.
1306         (verify_memory_partitions): Likewise.
1307         (init_tree_ssa): Allocate bitmap instead of hashtable for
1308         referenced_vars.
1309         (delete_tree_ssa): Adjust.
1310         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1311         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1312         (compute_tag_properties): Likewise.
1313         (set_initial_properties): Likewise.
1314         (find_partition_for): Likewise.
1315         (update_reference_counts): Likewise.
1316         (dump_may_aliases_for): Likewise.
1317         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1318         (add_call_clobber_ops): Likewise.
1319         (add_call_read_ops): Likewise.
1320         (get_asm_expr_operands): Likewise.
1321         * tree-into-ssa.c (dump_decl_set): Likewise.
1322         (update_ssa): Likewise.
1323         * tree-sra.c (scan_function): Likewise.
1324         (decide_instantiations): Likewise.
1325         (scalarize_parms): Likewise.
1326         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1327         (dsa_named_for): Likewise.
1328         * tree-ssa-structalias.c (update_alias_info): Likewise.
1329         (merge_smts_into): Likewise.
1330
1331 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1332
1333         PR 34351
1334         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1335         * c-opts.c (c_common_handle_option): Wall enables
1336         Wvolatile-register-var.
1337         * common.opt: Move Wvolatile-register-var to...
1338         * c.opt: ...here.
1339         
1340 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1341
1342         * common.opt (Wlarger-than=): New.
1343         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1344         -Wlarger-than=.
1345         * opts.c (common_handle_option): Handle -Wlarger-than=.
1346         * optc-gen.awk: Likewise.
1347         * opth-gen.awk: Likewise.
1348         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1349         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1350         
1351 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1352
1353         * c-common.c (match_case_to_enum_1): Add appropriate
1354         OPT_W* parameter to warning.
1355         (c_do_switch_warnings): Likewise.
1356         * c-typeck.c (warning_init): Add one more parameter following
1357         'warning' function.
1358         (push_init_level): Update call to warning_init.
1359         (pop_init_level): Likewise.
1360         (add_pending_init): Likewise.
1361         (output_init_element: Likewise.
1362
1363 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1364
1365         PR 28322
1366         * toplev.c (toplev_main): If there are warnings or error, print
1367         errors for ignored options.
1368         * opts.c (ignored_options): New static variable.
1369         (postpone_unknown_option_error): New.
1370         (print_ignored_options): New.
1371         (handle_option): Postpone errors for unknown -Wno-* options.
1372         * opts.h (print_ignored_options): Declare.
1373         
1374 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1375
1376         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1377         to "ghost".
1378
1379 2008-02-25  Richard Guenther  <rguenther@suse.de>
1380
1381         Revert:
1382         2008-02-25  Richard Guenther  <rguenther@suse.de>
1383
1384         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1385         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1386         (lookup_decl_from_uid): Declare.
1387         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1388         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1389         (decl_for_uid_map): New global hashtable mapping DECL_UID
1390         to the decl tree.
1391         (init_ttree): Allocate it.
1392         (insert_decl_to_uid_decl_map): New helper function.
1393         (make_node_stat): Insert new decls into the map.
1394         (copy_node_stat): Likewise.
1395         (lookup_decl_from_uid): New function.
1396         (print_decl_for_uid_map_statistics): New helper.
1397         (dump_tree_statistics): Call it.
1398
1399         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1400         (referenced_var_iterator): Adjust.
1401         (FOR_EACH_REFERENCED_VAR): Adjust.
1402         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1403         (num_referenced_vars): Adjust.
1404         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1405         (first_referenced_var): Remove.
1406         (end_referenced_vars_p): Likewise.
1407         (next_referenced_var): Likewise.
1408         (referenced_var_iterator_set): New helper function.
1409         * tree-dfa.c (referenced_var_lookup): Adjust.
1410         (referenced_var_check_and_insert): Likewise.
1411         (remove_referenced_var): Likewise.
1412         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1413         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1414         (verify_call_clobbering): Likewise.
1415         (verify_memory_partitions): Likewise.
1416         (init_tree_ssa): Allocate bitmap instead of hashtable for
1417         referenced_vars.
1418         (delete_tree_ssa): Adjust.
1419         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1420         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1421         (compute_tag_properties): Likewise.
1422         (set_initial_properties): Likewise.
1423         (find_partition_for): Likewise.
1424         (update_reference_counts): Likewise.
1425         (dump_may_aliases_for): Likewise.
1426         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1427         (add_call_clobber_ops): Likewise.
1428         (add_call_read_ops): Likewise.
1429         (get_asm_expr_operands): Likewise.
1430         * tree-into-ssa.c (dump_decl_set): Likewise.
1431         (update_ssa): Likewise.
1432         * tree-sra.c (scan_function): Likewise.
1433         (decide_instantiations): Likewise.
1434         (scalarize_parms): Likewise.
1435         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1436         (dsa_named_for): Likewise.
1437         * tree-ssa-structalias.c (update_alias_info): Likewise.
1438         (merge_smts_into): Likewise.
1439
1440 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1441
1442         PR fortran/29549
1443         * doc/invoke.texi (-fcx-limited-range): Document new option.
1444         * toplev.c (process_options): Handle -fcx-fortran-rules.
1445         * common.opt: Add documentation for -fcx-fortran-rules.
1446
1447 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1448
1449         PR c/35162
1450         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1451         actual behaviour and C99.
1452         
1453 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1454
1455         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1456         (ASM_CPU_POWER6_SPEC): Likewise.
1457         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1458         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1459         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1460
1461 2008-02-25  Richard Guenther  <rguenther@suse.de>
1462
1463         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1464         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1465         (lookup_decl_from_uid): Declare.
1466         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1467         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1468         (decl_for_uid_map): New global hashtable mapping DECL_UID
1469         to the decl tree.
1470         (init_ttree): Allocate it.
1471         (insert_decl_to_uid_decl_map): New helper function.
1472         (make_node_stat): Insert new decls into the map.
1473         (copy_node_stat): Likewise.
1474         (lookup_decl_from_uid): New function.
1475         (print_decl_for_uid_map_statistics): New helper.
1476         (dump_tree_statistics): Call it.
1477
1478         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1479         (referenced_var_iterator): Adjust.
1480         (FOR_EACH_REFERENCED_VAR): Adjust.
1481         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1482         (num_referenced_vars): Adjust.
1483         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1484         (first_referenced_var): Remove.
1485         (end_referenced_vars_p): Likewise.
1486         (next_referenced_var): Likewise.
1487         (referenced_var_iterator_set): New helper function.
1488         * tree-dfa.c (referenced_var_lookup): Adjust.
1489         (referenced_var_check_and_insert): Likewise.
1490         (remove_referenced_var): Likewise.
1491         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1492         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1493         (verify_call_clobbering): Likewise.
1494         (verify_memory_partitions): Likewise.
1495         (init_tree_ssa): Allocate bitmap instead of hashtable for
1496         referenced_vars.
1497         (delete_tree_ssa): Adjust.
1498         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1499         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1500         (compute_tag_properties): Likewise.
1501         (set_initial_properties): Likewise.
1502         (find_partition_for): Likewise.
1503         (update_reference_counts): Likewise.
1504         (dump_may_aliases_for): Likewise.
1505         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1506         (add_call_clobber_ops): Likewise.
1507         (add_call_read_ops): Likewise.
1508         (get_asm_expr_operands): Likewise.
1509         * tree-into-ssa.c (dump_decl_set): Likewise.
1510         (update_ssa): Likewise.
1511         * tree-sra.c (scan_function): Likewise.
1512         (decide_instantiations): Likewise.
1513         (scalarize_parms): Likewise.
1514         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1515         (dsa_named_for): Likewise.
1516         * tree-ssa-structalias.c (update_alias_info): Likewise.
1517         (merge_smts_into): Likewise.
1518
1519 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1520
1521         PR target/35258
1522         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1523         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1524         * alias.h (nonoverlapping_memrefs_p): Likewise.
1525
1526 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1527
1528         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1529         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1530         __emultls_get_address, __emultls_register_common,
1531         __floatundi?f, and _Unwind_GetIPInfo.
1532         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1533         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1534         (gen_regparm_prefix): Likewise.
1535         (i386_nlm_encode_section_info): Sync with
1536         config/i386/winnt.c:i386_pe_encode_section_info().
1537         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1538         i386_nlm_mangle_decl_assembler_name): New.
1539         (netware_override_options): New.
1540         * config/i386/netware.h (netware_override_options): Declare.
1541         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1542         (i386_nlm_mangle_decl_assembler_name): Declare.
1543         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1544
1545 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1546
1547         PR other/32948
1548         * c-decl.c (grokdeclarator): Remove unused local variables
1549         `typedef_type' and `type_as_written'.
1550         * bb-reorder.c
1551         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1552         unused local variable `has_hot_blocks'.
1553         (fix_crossing_conditional_branches): Remove unused local variable
1554         `prev_bb'.
1555         
1556 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         PR middle-end/19984
1559         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1560         using DEF_C99_BUILTIN.
1561         (BUILT_IN_NANF): Ditto.
1562         (BUILT_IN_NANL): Ditto.
1563
1564 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1565             Revital Eres  <eres@il.ibm.com>
1566
1567         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1568         regarding the order of two dependent insns in the same row.
1569
1570 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1571
1572         * stor-layout.c (layout_decl): Do not bump the alignment of a
1573         bit-field to more than byte alignment if it is packed.
1574
1575 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1576
1577         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1578         e300c2 and e300c3.
1579
1580 2008-02-24  Diego Novillo  <dnovillo@google.com>
1581
1582         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1583
1584         PR 33738
1585         * tree-vrp.c (vrp_evaluate_conditional): With
1586         -Wtype-limits, emit a warning when comparing against a
1587         constant outside the natural range of OP0's type.
1588         * c.opt (Wtype-limits): Move ...
1589         * common.opt (Wtype-limits): ... here.
1590
1591 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1592
1593         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1594         * config/rs6000/e300c2c3.md: New file.
1595         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1596         e300c2 and e300c3.
1597         (rs6000_override_options): Add e300c2 and e300c3 cases to
1598         processor_target_table. Do not allow usage of Altivec or Spe
1599         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1600         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1601         * config/rs6000/rs6000.h (processor_type): Add
1602         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1603         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1604         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1605         and ppce300c3. Include e300c2c3.md.
1606
1607 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1608
1609         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1610         instead of TARGET_STRICT_ALIGN.
1611
1612 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1613
1614         * explow.c (memory_address): Assert that the generated address is
1615         valid.
1616
1617 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1618
1619         PR target/25477
1620         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1621         * config/darwin-ppc-ldouble-patch.def: New file.
1622         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1623         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1624         SUBTARGET_INIT_BUILTINS if defined.
1625         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1626         New functions.
1627
1628 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1629
1630         PR rtl-opt/33512
1631         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1632         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1633
1634 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1635
1636         PR pch/35027
1637         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1638         file" warning condtional on -Winvalid-PCH.
1639
1640 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1641
1642         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1643
1644 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1645
1646         PR target/22076
1647         PR target/34256 
1648         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1649         prevent reload from using MMX registers.
1650         (*mov<mode>_internal): Ditto.
1651         (*movv2sf_internal_rex64): Ditto.
1652         (*movv2sf_internal): Ditto.
1653
1654 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1655
1656         PR documentation/31569
1657         * doc/install.texi2html: Use makeinfo --no-number-sections.
1658
1659 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1660
1661         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1662         ensure that we can address an entire entity > 8 bytes.  Don't
1663         generate reg+reg addressing for such data.
1664
1665 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1666
1667         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1668         strings when optimizing for size, unless the target cares about
1669         alignment.
1670
1671 2008-02-22  Tom Tromey  <tromey@redhat.com>
1672
1673         * regclass.c (current_pass): Remove declaration.
1674
1675 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1676
1677         * config/avr/libgcc.S (__RAMPZ__): Define.
1678         (__do_copy_data): Add for devices with 128KB code memory.
1679
1680 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1681
1682         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1683         Use spe_abi.
1684         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1685
1686 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1687
1688         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1689         GENNONACR_REGS.
1690
1691 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1692
1693         PR c/19999
1694         * c-typeck.c (build_binary_op): Warn about floating point
1695         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1696
1697 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1698
1699         PR target/34526
1700         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1701         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1702         add vrsave.
1703         (rs6000_override_options): Set altivec_abi as default, not override,
1704         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1705         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1706         is used; use new member spe_abi.
1707         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1708         spe_abi and altivec_abi.
1709
1710 2008-02-22  Tomas Bily  <tbily@suse.cz>
1711
1712         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1713
1714 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1715
1716         PR bootstrap/35273
1717         * config.build (build_file_translate): Set to `CMD //c' only if
1718         it works.
1719         * Makefile.in (build_file_translate): Improve comment.
1720
1721 2008-02-21  Jan Hubicka  <jh@suse.cz>
1722
1723         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1724         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1725         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1726
1727 2008-02-21  Michael Matz  <matz@suse.de>
1728
1729         PR target/35264
1730         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1731
1732 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1733
1734         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1735         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1736         as insn constraint.
1737         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1738         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1739         SSE_VEC_FLOAT_MODE_P as insn constraint.
1740         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1741         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1742         sse4a_movntdf using MODEF mode iterator.
1743         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1744         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1745         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1746         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1747         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1748         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1749         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1750
1751 2008-02-21  Richard Guenther  <rguenther@suse.de>
1752
1753         * tree.def (PAREN_EXPR): New tree code.
1754         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1755         and PAREN_EXPR.
1756         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1757         * expr.c (expand_expr_real_1): Likewise.
1758         * tree-inline.c (estimate_num_insns_1): Likewise.
1759         * tree-complex.c (expand_complex_move): Likewise.
1760         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1761         as plain x.
1762
1763 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1764
1765         PR target/35225
1766         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1767
1768 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1769
1770         PR target/35190
1771         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1772
1773         * config/sh/sh.c (find_barrier): Don't go past
1774         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1775
1776 2008-02-20  DJ Delorie  <dj@redhat.com>
1777
1778         * config/h8300/h8300.md (insv): Force source operand to be a register.
1779
1780         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1781         as a jump, not as a plain insn.
1782         
1783 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1784
1785         * doc/invoke.texi (Warning Options): Add new option
1786         -Wframe-larger-than=.
1787         (-Wframe-larger-than): Document.
1788
1789         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1790         Add declarations for new option variables.
1791
1792         * final.c (final_start_function): Check the frame size
1793         before emission and issue a Wframe-larger-than warning.
1794
1795         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1796         Add definitions for new option variables.
1797         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1798
1799         * common.opt (Wframe-larger-than=): New option.
1800
1801 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1802
1803         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1804         (<sse>_div<mode>3): Ditto.
1805         (<sse>_vmdiv<mode>3): Ditto.
1806         (<sse>_vmsqrt<mode>2): Ditto.
1807         (*smax<mode>3): Ditto.
1808         (sse5_frcz<mode>2): Ditto.
1809         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1810         as insn constraint.
1811
1812 2008-02-20  Richard Guenther  <rguenther@suse.de>
1813
1814         PR middle-end/35265
1815         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1816         be happy with INTEGRAL_TYPE_P.
1817
1818 2008-02-20  Richard Guenther  <rguenther@suse.de>
1819
1820         * fold-const.c (split_tree): Associate floatig-point expressions
1821         if flag_associative_math is set.
1822
1823 2008-02-20  Richard Guenther  <rguenther@suse.de>
1824
1825         * tree.h (fold_real_zero_addition_p): Declare.
1826         * fold-const.c (fold_real_zero_addition_p): Export.
1827         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1828         floating-point operations with zero and one.
1829
1830 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1831
1832         * doc/install.texi: Correct references to CFLAGS, replacing them
1833         with BOOT_CFLAGS.  Document flags used during bootstrap for
1834         target libraries.
1835                                 
1836 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1837
1838         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1839         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1840         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1841         insn constraint.
1842         (smin<mode>3): Ditto from similar patterns.
1843         (smax<mode>3): Ditto.
1844         (*ieee_smin<mode>3): Ditto.
1845         (*ieee_smax<mode>3): Ditto.
1846         * config/i386/sse.md (sse): New mode attribute.
1847         (mov<mode>): Macroize expander from movv4sf and movv2df using
1848         SSEMODEF2P mode iterator.
1849         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1850         SSE_VEC_FLOAT_MODE_P as insn constraint.
1851         (storent<mode>): Ditto.
1852         (storent<mode>): Macroize expander from storentsf and storentdf using
1853         MODEF mode iterator.
1854         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1855         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1856         (abs<mode>2): Ditto from similar patterns.
1857         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1858         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1859         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1860         (<sse>_vmsqrt<mode>2): Ditto.
1861         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1862         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1863         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1864         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1865         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1866         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1867         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1868         insn constraint.
1869         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1870         iterator and SSE_FLOAT_MODE_P as insn constraint.
1871         (<sse>_ucomi): Ditto from similar patterns.
1872         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1873         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1874         SSE_VEC_FLOAT_MODE_P as insn constraint.
1875         (vcond<mode>): Ditto from similar patterns.
1876         (and<mode>3, *and<mode>3): Ditto.
1877         (<sse>_nand<mode>3): Ditto.
1878         (ior<mode>3, *ior<mode>3): Ditto.
1879         (xor<mode>3, *xor<mode>3): Ditto.
1880         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1881         iterator and SSE_FLOAT_MODE_P as insn constraint.
1882         (*nand<mode>3): Ditto from similar patterns.
1883         (*ior<mode>3): Ditto.
1884         (*xor<mode>3): Ditto.
1885
1886 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1887
1888         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1889         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1890         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1891
1892 2008-02-19  Jan Hubicka  <jh@suse.cz>
1893
1894         * predict.c (tree_bb_level_predictions): Remove variable next
1895         mistakely introduced by previous commit.
1896
1897 2008-02-19  Jan Hubicka  <jh@suse.cz>
1898
1899         * predict.c (predict_paths_leading_to): Rewrite.
1900         (predict_paths_for_bb): New.
1901         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1902
1903 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1904
1905         PR bootstrap/35218
1906         * Makefile.in (build_file_translate): New.
1907         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1908         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1909         * configure.ac (build_file_translate): Substitute it.
1910         * configure: Regenerate.
1911
1912 2008-02-19  Jan Hubicka  <jh@suse.cz>
1913
1914         PR rtl-optimization/34408
1915         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1916         invalid sharing.
1917
1918 2008-02-19  Jan Hubicka  <jh@suse.cz>
1919
1920         PR middle-end/28779
1921         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1922         call_expr.
1923
1924 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         PR Ada/35186
1927         * config/i386/i386-modes.def: Revert the last DI alignment
1928         change until Ada people can look into it.
1929
1930 2008-02-19  Nick Clifton  <nickc@redhat.com>
1931
1932         * opts.c (print_specific_help): Fix typo in --help text.
1933
1934 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1935
1936         PR target/35239
1937         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1938         32-bit inline asm without asm alternatives for host GCC < 3.0.
1939
1940 2008-02-19  Richard Guenther  <rguenther@suse.de>
1941
1942         PR tree-optimization/34989
1943         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1944         Allow propagation to INDIRECT_REF if we can simplify only.
1945
1946 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1947
1948         * c-common.c (warn_for_collisions_1): Use appropriate option when
1949         warning.
1950
1951 2008-02-19  Nick Clifton  <nickc@redhat.com>
1952
1953         PR other/31349
1954         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1955         (handle_options): Fix indentation.
1956         (print_filtered_help): If no language-specific options were
1957         displayed tell the user how to list all the options supported by
1958         the language's front-end.
1959         (print_specific_help): Fix indentation and remove duplicate line.
1960         (common_handle_option): Handle the -v option.
1961         For --help enable the display of undocumented options if the -v
1962         switch has been included on the command line.
1963         For --help= check for overlaps in the arguments between the option
1964         classes and the language names and issue a warning when they
1965         cannot be disambiguated.
1966         * c.opt (v): Pass on to the common option handler.
1967
1968 2008-02-19  Revital Eres  <eres@il.ibm.com> 
1969
1970         * modulo-sched.c (sms_schedule): Change dump message when
1971         create_ddg function fails.
1972         (try_scheduling_node_in_cycle): Rename row to cycle.
1973         (print_partial_schedule): Rename CYCLE to ROW.
1974
1975 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1976             Zdenek Dvorak  <ook@ucw.cz>
1977
1978         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1979
1980 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1981
1982         PR target/33555
1983         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1984         (*x86_movdicc_0_m1_se): Ditto.
1985
1986 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1987
1988         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1989         (CMPtype): Define as __gcc_CMPtype.
1990         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1991         (CMPtype): Define as __gcc_CMPtype.
1992
1993 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1994
1995         Support valgrind 3.3 for --enable-checking=valgrind.
1996         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1997         here.
1998         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1999         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2000         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2001         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2002         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2003         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2004         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2005         respectively.
2006         * ggc-zone.c: Similar.
2007         * ggc-page.c: Similar.
2008
2009 2008-02-19  Paul Brook  <paul@codesourcery.com>
2010
2011         PR target/35071
2012         * config/arm/ieee754-df.S: Fix do_it typo.
2013         * config/arm/ieee754-sf.S: Fix do_it typo.
2014
2015 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2016
2017         PR target/35189
2018         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2019         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2020         (OPTION_MASK_ISA_SSE_SET): Likewise.
2021         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2022         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2023         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2024         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2025         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2026         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2027         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2028         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2029         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2030         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2031         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2032         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2033         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2034         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2035         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2036         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2037         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2038         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2039         (OPTION_MASK_ISA_SSE4): Removed.
2040         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2041         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2042         (override_options): Don't turn on implied SSE/MMX bits in
2043         ix86_isa_flags.
2044
2045 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2046
2047         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2048         32bit host.
2049
2050 2008-02-18  Joey Ye  <joey.ye@intel.com>
2051
2052         PR middle-end/34921
2053         * tree-nested.c (insert_field_into_struct): Set type alignment
2054         to field alignment if the former is less than the latter.
2055
2056 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2057
2058         * BASE-VER: Set to 4.4.0.
2059
2060 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2061
2062         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2063         * doc/cfg.texi: Likewise.
2064         * doc/extend.texi: Likewise.
2065         * doc/gty.texi: Likewise.
2066         * doc/invoke.texi: Likewise.
2067         * doc/loop.texi: Likewise.
2068         * doc/md.texi: Likewise.
2069         * doc/passes.texi: Likewise.
2070         * doc/rtl.texi: Likewise.
2071         * doc/sourcebuild.texi: Likewise.
2072         * doc/tm.texi: Likewise.
2073         * doc/tree-ssa.texi: Likewise.
2074
2075 2008-02-17  Richard Guenther  <rguenther@suse.de>
2076
2077         PR middle-end/35227
2078         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2079         without default definition.
2080
2081 2008-02-17  Richard Guenther  <rguenther@suse.de>
2082
2083         PR tree-optimization/35231
2084         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2085         if A | B != 1.
2086
2087 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2088
2089         Revert:
2090
2091         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2092         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2093         libgcc_cmp_return mode.
2094
2095 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2096
2097         PR c/28368
2098         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2099
2100 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2101
2102         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2103         multilibs.
2104
2105 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2106
2107         * doc/c-tree.texi: Use `@.' where appropriate.
2108         * doc/extend.texi: Likewise.
2109         * doc/install.texi: Likewise.
2110         * doc/invoke.texi: Likewise.
2111         * doc/loop.texi: Likewise.
2112         * doc/makefile.texi: Likewise.
2113         * doc/md.texi: Likewise.
2114         * doc/passes.texi: Likewise.
2115         * doc/standards.texi: Likewise.
2116         * doc/tm.texi: Likewise.
2117
2118 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2119
2120         PR middle-end/35196
2121         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2122         in entry_bb.
2123         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2124         rather than in entry_bb.
2125
2126 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2127
2128         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2129         libgcc_cmp_return mode.
2130
2131 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2132
2133         PR middle-end/35130
2134         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2135         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2136
2137 2008-02-15  Richard Guenther  <rguenther@suse.de>
2138             Zdenek Dvorak  <ook@ucw.cz>
2139
2140         PR tree-optimization/35164
2141         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2142         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2143         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2144         Only propagate addresses which do not have abnormal SSA_NAMEs
2145         in their operands.
2146
2147 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2148
2149         PR target/35088
2150         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2151
2152 2008-02-15  Jan Hubicka  <jh@suse.cz>
2153
2154         PR middle-end/35149
2155         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2156
2157 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2158
2159         PR middle-end/34621
2160         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2161         when calculating alignment_pad.
2162
2163 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2164
2165         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2166         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2167         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2168         and STACK_BOUNDARY define.
2169
2170 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2171
2172         PR preprocessor/35061
2173         * c-pragma.c (handle_pragma_pop_macro): Check that
2174         pushed_macro_table has been allocated.
2175
2176 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2177
2178         PR middle-end/35136
2179         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2180         (force_gimple_operand): Likewise.
2181         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2182         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2183         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2184         (find_interesting_uses_address): Check addressability and alignment
2185         of the base expression only after substituting bases of IVs into it.
2186
2187 2008-02-14  Michael Matz  <matz@suse.de>
2188
2189         PR target/34930
2190         * function.c (instantiate_virtual_regs_in_insn): Reload address
2191         before falling back to reloading the whole operand.
2192
2193 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2194
2195         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2196         before the first section switch note.
2197
2198 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2199
2200         * doc/bugreport.texi: Update copyright years.
2201         * doc/c-tree.texi: Likewise.
2202         * doc/cfg.texi: Likewise.
2203         * doc/cpp.texi: Likewise.
2204         * doc/cppinternals.texi: Likewise.
2205         * doc/fragments.texi: Likewise.
2206         * doc/frontends.texi: Likewise.
2207         * doc/gcc.texi: Likewise.
2208         * doc/gty.texi: Likewise.
2209         * doc/hostconfig.texi: Likewise.
2210         * doc/implement-c.texi: Likewise.
2211         * doc/libgcc.texi: Likewise.
2212         * doc/loop.texi: Likewise.
2213         * doc/makefile.texi: Likewise.
2214         * doc/options.texi: Likewise.
2215         * doc/passes.texi: Likewise.
2216         * doc/rtl.texi: Likewise.
2217         * doc/sourcebuild.texi: Likewise.
2218         * doc/standards.texi: Likewise.
2219         * doc/tree-ssa.texi: Likewise.
2220         * doc/trouble.texi: Likewise.
2221
2222         * doc/extend.texi: Use @: or add comma where appropriate.
2223         * doc/invoke.texi: Likewise.
2224         * doc/tm.texi: Likewise.
2225
2226 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2227
2228         PR target/34393
2229         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2230         to a reg.
2231
2232 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2233
2234         * doc/md.texi (clz, ctz): Add reference.
2235         * doc/rtl.texi (clz, ctz): Likewise.
2236
2237 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2238
2239         PR other/35148
2240         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2241         srcdir.
2242
2243 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2244
2245         * config/s390/s390.c (struct constant_pool): New field
2246         emit_pool_after added.
2247         (s390_mainpool_start): Set the emit_pool_after flag according
2248         to the section switch notes.
2249         (s390_mainpool_finish): Consider emit_pool_after when emitting
2250         the literal pool at the end of the function.
2251         (s390_chunkify_start): Force literal pool splits at section
2252         switch notes.
2253
2254 2008-02-13  Michael Matz  <matz@suse.de>
2255
2256         PR debug/35065
2257         * var-tracking.c (clobber_variable_part): Correctly traverse the
2258         list.
2259
2260 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2261
2262         PR 29673
2263         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2264         Add -fdump-ipa-inline.
2265         * tree-dump.c (dump_files): Remove tree-inlined dump.
2266         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2267         
2268 2008-02-12  Richard Guenther  <rguenther@suse.de>
2269
2270         PR tree-optimization/35171
2271         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2272         default defs.
2273
2274 2008-02-12  Richard Guenther  <rguenther@suse.de>
2275
2276         PR middle-end/35163
2277         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2278         value-preserving mode.  Disallow final truncation.
2279
2280 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2281
2282         PR middle-end/35136
2283         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2284         code from here to...
2285         (force_gimple_operand): ...here.
2286
2287 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2288
2289         PR c++/35144
2290         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2291         non-compatible pointers.
2292         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2293         different FIELD_DECLs, try harder by comparing field offsets, sizes
2294         and types.
2295
2296         PR inline-asm/35160
2297         * function.c (match_asm_constraints_1): Don't replace the same input
2298         multiple times.
2299
2300 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2301
2302         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2303         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2304         (expand_epilogue): Restore RAMPZ register.
2305         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2306
2307 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2308
2309         * config/i386/cygwin.asm: (__alloca): Correct calling
2310         convention and alignment.
2311         (__chkstk): Force 8 byte stack alignment.
2312
2313 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2314             Richard Guenther  <rguenther@suse.de>
2315
2316         PR tree-optimization/33992
2317         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2318         the zero we compare against.
2319
2320 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2321
2322         PR libfortran/35063
2323         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2324         to CloseHandle after unlocking to prevent accumulation of handle
2325         count.
2326
2327 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2328
2329         PR middle_end/34150
2330         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2331         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2332         and update LABEL_NUSES during and after reload.
2333
2334 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2335
2336         PR middle-end/34627
2337         * combine.c (simplify_if_then_else): Make sure the comparison is
2338         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2339
2340 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2341
2342         PR bootstrap/35051
2343         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2344         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2345         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2346         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2347         * tree.h (get_type_static_bounds): Likewise.
2348
2349 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2350
2351         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2352         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2353         Make -Wfoo language annotations match what the compiler outputs.
2354
2355 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2356
2357         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2358         intrinsics spu_convts, spu_convtu, spu_convtf.
2359         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2360
2361 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2362
2363         * doc/extend.texi (Function Attributes) <noinline>: Mention
2364         asm ("") as method to keep calls.
2365
2366 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2367
2368         PR other/32754
2369         * doc/options.texi (Options): Replace references to opts.sh with
2370         optc-gen.awk.
2371         * opts-common.c: Likewise.
2372         * optc-gen.awk: Likewise.
2373         
2374 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2375
2376         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2377
2378 2008-02-07  Richard Henderson  <rth@redhat.com>
2379
2380         PR rtl-opt/33410
2381         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2382         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2383         funny mode.
2384
2385 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2386
2387         PR tree-optimization/35085
2388         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2389         for operand entry oe2 in addition to operand entry oe3 in order to
2390         expose more opportunities for vectorizer sum reduction.
2391
2392 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2393
2394         PR other/35107
2395         * Makefile.in (LIBS): Remove $(GMPLIBS).
2396         (cc1-dummy, cc1): Add $(GMPLIBS).
2397
2398 2008-02-06  Jan Hubicka  <jh@suse.cz>
2399
2400         PR target/23322
2401         * i386.md (moddf_integer): Do not produce partial memory stalls for
2402         targets where it hurts.
2403
2404 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2405
2406         PR target/35083
2407         * optabs.c (expand_float): Do not check for decimal modes when
2408         expanding unsigned integer through signed conversion.
2409
2410 2008-02-06  Nick Clifton  <nickc@redhat.com>
2411
2412         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2413         inside the clobber with a match_operand and duplicated operand
2414         number in the constraint.
2415         (ineqbranchsi): Delete redundant comment.
2416
2417 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2418
2419         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2420         builtin_define ("__USE_INIT_FINI__").
2421         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2422         -msx multilibs.
2423         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2424
2425 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2426
2427         PR documentation/30330
2428         * doc/invoke.texi (C++ Dialect Options)
2429         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2430         For each warning option -Wfoo that allows -Wno-foo, ensure both
2431         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2432         entry of -Wswitch-default, index -Wnormalized= including the
2433         `=', and -Wlarger-than-@var{len} including @var{len}.
2434
2435 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2436
2437         * config/i386/i386.md (floatunssisf2): Use
2438         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2439         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2440         Macroize expander using MODEF mode iterator.
2441
2442 2008-02-05  Diego Novillo  <dnovillo@google.com>
2443
2444         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2445
2446         PR 33738
2447         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2448
2449 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2450
2451         PR other/35070
2452         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2453
2454 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2455
2456         PR target/35084
2457         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2458         to indicate if a message should be generated.
2459         (init_cumulative_args): Updated.
2460         (function_value_32): Likewise.
2461
2462 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2463
2464         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2465
2466 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2467
2468         PR target/35083
2469         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2470         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2471
2472 2008-02-04  Diego Novillo  <dnovillo@google.com>
2473
2474         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2475
2476         PR 33738
2477         * tree-vrp.c (vrp_evaluate_conditional): With
2478         -Wtype-limits, emit a warning when comparing against a
2479         constant outside the natural range of OP0's type.
2480
2481 2008-02-04  Richard Guenther  <rguenther@suse.de>
2482
2483         PR middle-end/33631
2484         * expr.c (count_type_elements): Give for unions instead of
2485         guessing.
2486
2487 2008-02-04  Richard Guenther  <rguenther@suse.de>
2488
2489         PR middle-end/35043
2490         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2491         to TYPE_DOMAINs base type instead of using bitsizetype here.
2492
2493 2008-02-03  Jason Merrill  <jason@redhat.com>
2494
2495         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2496
2497 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2498
2499         PR other/29972
2500         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2501         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2502         (RS/6000 and PowerPC Options): Fix typos and markup.
2503         * doc/passes.texi (Tree-SSA passes): Likewise.
2504
2505 2008-02-02  Michael Matz  <matz@suse.de>
2506
2507         PR target/35045
2508         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2509         from record_last_reg_set_info.
2510         (record_last_reg_set_info): Take an RTX argument, iterate over all
2511         constituent hardregs.
2512         (record_last_set_info, record_opr_changes): Change calls to
2513         new signature or to record_last_reg_set_info_regno.
2514
2515 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2516
2517         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2518
2519 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2520
2521         PR rtl-optimization/34773
2522         * reg-notes.def (EQUAL): Mention significance of combination of
2523         REG_EQUAL and REG_RETVAL.
2524         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2525         insn that has a REG_RETVAL.
2526
2527 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2528
2529         PR bootstrap/33781
2530         * configure.ac (--enable-fixed-point): Disable unless explicitly
2531         requested on IRIX.
2532         * configure: Regenerate.
2533
2534 2008-02-01  Richard Guenther  <rguenther@suse.de>
2535
2536         PR other/35042
2537         * invoke.texi (-finline-limit): Remove no longer true parts
2538         of the documentation.  Note that there is no default value.
2539
2540 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2541             Mark Mitchell  <mark@codesourcery.com>
2542             Ben Elliston  <bje@au.ibm.com>
2543
2544         PR c/29326
2545         * doc/extend.texi (Other Builtins): Document.
2546
2547 2008-01-31  Tom Browder <tom.browder@gmail.com>
2548
2549         * doc/c-tree.texi (Types): Fix grammar.
2550         (Expression trees): Ditto.
2551         * doc/passes.texi (Tree-SSA passes): Ditto.
2552         
2553         * doc/configterms.texi (Configure Terms): Fix typo.
2554         * doc/cpp.texi (Common Predefined Macros): Ditto.
2555         * doc/md.texi (Machine Constraints): Ditto.
2556         
2557         * doc/makefile.texi (Makefile): Add comma.
2558
2559 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2560             Gerald Pfeifer  <gerald@pfeifer.com>
2561         
2562         * doc/sourcebuild.texi (Front End): Remove references to CVS
2563         and CVSROOT/modules.
2564         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2565         (Back End): Remove reference to CVS.
2566
2567 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2568
2569         PR target/34900
2570         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2571         comment from...
2572         (mips16_gp_pseudo_reg): ...here.
2573         * config/mips/mips.md (load_const_gp): Replace with...
2574         (load_const_gp_<mode>): ...this :P-based insn.
2575
2576 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2577
2578         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2579         options. Minor fixes.
2580         (-std): Move reference to standards closer to where language
2581         standards are first mentioned.
2582         
2583 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2584
2585         PR rtl-optimization/34995
2586         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2587         parameter and return a bool.  If the rtx parameter is nonnull,
2588         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2589         (find_reloads): Update call accordingly.  Pass the new operand
2590         if it needed no address reloads, otherwise pass null.
2591
2592 2008-01-30  Richard Henderson  <rth@redhat.com>
2593
2594         PR c/34993
2595         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2596         for unbounded arrays.
2597
2598 2008-01-30  Silvius Rus  <rus@google.com>
2599
2600         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2601
2602 2008-01-30  Jan Hubicka  <jh@suse.cz>
2603
2604         PR target/34982
2605         * i386.c (init_cumulative_args): Use real function declaration when
2606         calling locally.
2607
2608 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2609
2610         PR rtl-optimization/34998
2611         * global.c (build_insn_chain): Treat non-subreg_lowpart
2612         SUBREGs of pseudos as clobbering all the words covered by the
2613         SUBREG, not just all the bytes.
2614         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2615         original df_ref rather than an extract parameter.
2616         (global_conflicts): Update call accordingly.
2617
2618 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2619
2620         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2621         the overflow check to make it easier to read.
2622         (__fixtfdi): Change the type of the ll member in union
2623         long_double to UDItype_x.
2624
2625 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2626
2627         PR middle-end/34969
2628         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2629         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2630         * tree-inline.c (fold_marked_statements): Call
2631         cgraph_update_edges_for_call_stmt if folding a call statement.
2632         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2633         debug_generic_stmt calls, reset it back afterwards.
2634
2635         PR c/35017
2636         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2637         static decls.
2638         * c-typeck.c (build_external_ref): Don't pedwarn about
2639         static vars in current function's scope.
2640
2641 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2642
2643         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2644
2645 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2646
2647         PR c/35002
2648         * ipa-struct-reorg.c: Fix spelling.
2649         * params.def: Ditto.
2650
2651 2008-01-29  Richard Guenther  <rguenther@suse.de>
2652
2653         PR middle-end/35006
2654         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2655         field.
2656         * tree-inline.c (remap_type): Increment remapping_type_depth
2657         around remapping types.
2658         (copy_body_r): Only add referenced variables if they are referenced
2659         from code, not types.
2660
2661 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2662
2663         PR c++/34055
2664         PR c++/34103
2665         PR c++/34219
2666         PR c++/34606
2667         PR c++/34753
2668         PR c++/34754
2669         PR c++/34755
2670         PR c++/34919
2671         PR c++/34961
2672         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2673         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2674
2675 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2676
2677         PR target/34412
2678         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2679         pointer for tiny stack.
2680
2681 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2682
2683         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2684
2685 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2686
2687         * config/vx-common.h: Fix typo in comment.
2688
2689 2008-01-28  Ian Lance Taylor  <iant@google.com>
2690
2691         PR c++/34862
2692         PR c++/33407
2693         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2694         coalesce pointers if they have different DECL_NO_TBAA_P values.
2695         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2696         between variables with different DECL_NO_TBAA_P values.
2697
2698 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2699
2700         PR 31535
2701         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2702         are not legitimate small data references on SPE targets.
2703
2704 2008-01-28  David Daney  <ddaney@avtrex.com>
2705
2706         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2707
2708 2008-01-28  David Daney  <ddaney@avtrex.com>
2709
2710         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2711
2712 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2713
2714         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2715         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2716         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2717         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2718         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2719         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2720         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2721         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2722
2723 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2724
2725         * basic-block.h (condjump_equiv_p): Fix comment.
2726
2727 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2728
2729         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2730         print_generic_stmt_indented): Fix comment.
2731
2732 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2733
2734         * configure.ac (__stack_chk_fail): Add detecion for availability
2735         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2736         * configure: Regenerate.
2737
2738 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2739
2740         PR middle-end/34688
2741         * final.c (output_addr_const): Handle TRUNCATE.
2742
2743 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2744
2745         PR target/34711
2746         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2747         (zero_cost, infinite_cost): New constants.
2748         (struct cost_pair): Change type of cost to comp_cost.
2749         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2750         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2751         New functions.
2752         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2753         split_address_cost, ptr_difference_cost, difference_cost,
2754         get_computation_cost_at, get_computation_cost,
2755         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2756         determine_use_iv_cost_condition, determine_use_iv_costs,
2757         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2758         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2759         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2760         Change type of cost to comp_cost.
2761         (determine_iv_cost): Increase cost of non-original ivs, instead
2762         of decreasing the cost of original ones.
2763         (get_address_cost): Indicate the complexity of the addressing mode 
2764         in comp_cost.
2765         (try_add_cand_for): Prefer using ivs not specific to some object.
2766         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2767
2768 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2769             Janis Johnson  <janis187@us.ibm.com>
2770
2771         PR target/34814
2772         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2773         (TARGET_INSTANTIATE_DECLS): Likewise.
2774         * target.h (expand_to_rtl_hook): New target hook.
2775         (instantiate_decls): Likewise.
2776         * function.c (instantiate_decl): Make non-static.  Rename to...
2777         (instantiate_decl_rtl): ... this.
2778         (instantiate_expr): Use instantiate_decl_rtl.
2779         (instantiate_decls_1): Likewise.
2780         (instantiate_decls): Likewise.
2781         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2782         * function.h (instantiate_decl_rtl): Add prototype.
2783         * cfgexpand.c (target.h): New include.
2784         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2785         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2786         (TARGET_INSTANTIATE_DECLS): Likewise.
2787         (TARGET_INITIALIZER): New target hooks added.
2788         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2789         New prototype.
2790         * config/rs6000/rs6000.c (tree-flow.h): New include.
2791         (machine_function): Add sdmode_stack_slot field.
2792         (rs6000_alloc_sdmode_stack_slot): New function.
2793         (rs6000_instantiate_decls): Likewise.
2794         (rs6000_secondary_memory_needed_rtx): Likewise.
2795         (rs6000_check_sdmode): Likewise.
2796         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2797         (TARGET_INSTANTIATE_DECLS): Likewise.
2798         (rs6000_hard_regno_mode_ok): Allow SDmode.
2799         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2800         (rs6000_emit_move): Handle SDmode.
2801         (function_arg_advance): Likewise.
2802         (function_arg): Likewise.
2803         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2804         SDmode var args for 32-bit compiles.
2805         (rs6000_secondary_reload_class): Handle SDmode.
2806         (rs6000_output_function_epilogue): Likewise.
2807         (rs6000_function_value): Simplify if statement.
2808         (rs6000_libcall_value): Likewise.
2809         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2810         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2811         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2812         (movsd_hardfloat): New define_insn.
2813         (movsd_softfloat): Likewise.
2814         (movsd_store): Likewise.
2815         (movsd_load): Likewise.
2816         (extendsddd2): Likewise.
2817         (extendsdtd2): Likewise.
2818         (truncddsd2): Likewise.
2819         (movdd_hardfloat64): Fixup comment.
2820         (UNSPEC_MOVSD_LOAD): New constant.
2821         (UNSPEC_MOVSD_STORE): Likewise.
2822
2823 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2824
2825         PR c++/34965
2826         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2827         TRUTH_XOR_EXPR.
2828         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2829         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2830         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2831         and TRUTH_XOR_EXPR.
2832
2833 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2834
2835         PR target/34794
2836         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2837         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2838         __LONGDOUBLE128 too.
2839         * config/rs6000/aix61.h: New file.
2840
2841 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2842
2843         PR rtl-optimization/34959
2844         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2845         popcount and parity rtxes the same mode as their operand.
2846         Truncate or extend the result to the return value's mode
2847         if necessary.
2848
2849 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2850
2851         PR target/34981
2852         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2853         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2854         to GOT_VERSION_REGNUM.
2855         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2856         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2857         * config/mips/mips.c (mips_emit_call_insn): New function.
2858         (mips_call_tls_get_addr): Call mips_expand_call directly.
2859         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2860         emit_call_insn.
2861         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2862         (mips_expand_call): Update the call to mips16_build_call_stub
2863         accordingly and a remove redundant condition.  Assert that MIPS16
2864         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2865         the call insn.
2866         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2867         TARGET_USE_GOT.
2868         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2869         (mips_avoid_hazard): Remove hazard_set handling.
2870         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2871         (UNSPEC_RESTORE_GP): ...this.
2872         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2873         (FAKE_CALL_REGNO): Rename to...
2874         (GOT_VERSION_REGNUM): ...this.
2875         (type): Add "ghost" value.  Add an associated insn reservation.
2876         (hazard_set): Remove.
2877         (exception_receiver): Rename to...
2878         (restore_gp): ...this and update the unspec identifier accordingly.
2879         (exception_receiver, nonlocal_got_receiver): New expanders.
2880         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2881         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2882         (set_got_version, update_got_version): New patterns.
2883
2884 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2885
2886         PR target/34970
2887         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2888
2889 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2890
2891         PR other/31955
2892         * doc/install.texi2html: Generate gcc-vers.texi.
2893
2894 2008-01-25  DJ Delorie  <dj@redhat.com>
2895
2896         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2897
2898 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2899
2900         * config/c4x: Remove directory.
2901         * config.gcc (crx-*, mt-*): Mark obsolete.
2902         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2903         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2904         sh-*-rtemscoff*): Remove cases.
2905         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2906         * real.c (encode_c4x_single, decode_c4x_single,
2907         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2908         c4x_extended_format): Remove.
2909         * real.h (c4x_single_format, c4x_extended_format): Remove.
2910         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2911         on C4x.
2912         (Pragmas): Remove comment about c4x pragmas.
2913         * doc/install.texi (c4x): Remove target-specific instructions.
2914         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2915         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2916         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2917         refer to C4x source files as examples.
2918         (C4X_FLOAT_FORMAT): Remove documentation.
2919
2920 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2921
2922         * config/bfin/bfin.c (override_options): Reorder tests so that
2923         flag_pic gets enabled for -msep-data.
2924
2925 2008-01-25  Richard Guenther  <rguenther@suse.de>
2926
2927         PR middle-end/32244
2928         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2929         to its bitfield precision if required.
2930
2931 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2932
2933         PR middle-end/33880
2934         * tree-nested.c (walk_omp_for): New function.
2935         (convert_nonlocal_reference, convert_local_reference): Call
2936         walk_omp_for on OMP_FOR.
2937         (convert_call_expr): Call walk_body on OMP_FOR's
2938         OMP_FOR_PRE_INIT_BODY.
2939
2940 2008-01-25  Richard Guenther  <rguenther@suse.de>
2941
2942         PR tree-optimization/34966
2943         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2944         default defs and PHI_NODEs we have to insert after the
2945         defining statement.
2946
2947 2008-01-24  Nick Clifton  <nickc@redhat.com>
2948
2949         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2950         Provide a default definition.
2951         (LIBGCC2_UNITS_PER_WORD): Likewise.
2952
2953         * config/stormy16/stormy16.c: Include df.h for the prototype
2954         for df_regs_ever_live_p.
2955         (xstormy16_expand_builtin_va_start): Convert the stack offset
2956         into a component_ref and then use POINTER_PLUS_EXPR to add it
2957         to the incoming_virtual_args_rtx.
2958         (xstormy16_gimplify_va_arg_expr): Rename to
2959         xstormy16_gimplify_va_arg_expr.
2960         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2961         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2962         xstormy16_gimplify_va_arg_expr.
2963         Fix up some formatting issues.
2964
2965         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2966         Move to predicates.md.
2967         (xs_hi_general_operand): Likewise.
2968         (xs_hi_nonmemory_operand): Likewise.
2969         * config/stormy16/predicates.md:
2970         (xstormy16_carry_plus_operand): New predicate.
2971         (xs_hi_general_operand): New predicate.
2972         (xs_hi_nonmemory_operand): New predicate.
2973         * config/stormy16/stormy16-protos.h:
2974         (xstormy16_carry_plus_operand): Delete prototype.
2975         (xs_hi_general_operand): Likewise.
2976         (xs_hi_nonmemory_operand): Likewise.
2977
2978         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2979         modifiers as they are no longer needed and they can trigger
2980         reload spill failures.
2981
2982         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2983         with a match_operand in order to help reload.
2984
2985         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2986         constraint with 'e' for the 8th alternative as this version of
2987         the mov.w instruction only accepts the lower 8 registers.
2988
2989 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2990
2991         PR target/34856
2992         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2993         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2994         vector elements.
2995
2996 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2997
2998         PR middle-end/33333
2999         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3000
3001 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3002
3003         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3004         New functions.
3005         (remove_structure): Update allocations list before removing structure.
3006         
3007 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3008
3009         * ipa-struct-reorg.c (is_safe_cond_expr, 
3010         create_new_stmts_for_cond_expr): Use integer_zerop function,
3011         that recognize not only zero-pointer, but zero-integer too.
3012
3013 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3014
3015         PR other/22232
3016         * fixproto: Escape "." in sed expression that strips leading "./".
3017
3018 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3019
3020         PR driver/34904
3021         * gcc.c (SWITCH_OK): Removed.
3022         (SWITCH_LIVE): Changed to bit.
3023         (SWITCH_FALSE): Likewise.
3024         (SWITCH_IGNORE): Likewise.
3025         (switchstr): Change live_cond to unsigned int.
3026         (process_command): Replace SWITCH_OK with 0.
3027         (do_self_spec): Likewise.
3028         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3029         (give_switch): Likewise.
3030         (used_arg): Likewise.
3031         (do_spec_1): Set the SWITCH_IGNORE bit.
3032         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3033         bits.  Set the SWITCH_LIVE bit.
3034
3035 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3036
3037         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3038
3039 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3040
3041         PR tree-optimization/34472
3042         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3043         parameter to a "bool *" and set *DATA to false if there is
3044         an unsafe access.  Do not delete the structure here.
3045         (check_cond_exprs): Delete it here instead.
3046         (check_cond_exprs, exclude_cold_structs): Do not increase
3047         I when removing a structure.
3048
3049 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3050
3051         PR target/34856
3052         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3053         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3054
3055 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3056
3057         PR middle-end/34934
3058         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3059         a fixed vector for stack.
3060
3061 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3062
3063         PR c++/25701
3064         * doc/gcc.texi (Software development): Add a direntry for g++.
3065         
3066 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3067
3068         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3069         stale and straggling -fforce-addr comments above.
3070
3071         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3072         define.
3073         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3074         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3075
3076 2008-01-23  Michael Matz  <matz@suse.de>
3077
3078         PR debug/34895
3079         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3080         gen_type_die.
3081
3082 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3083
3084         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3085         malloc result type.
3086
3087 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3088
3089         * config/avr/avr.c (avr_current_arch): New variable.
3090         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3091         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3092         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3093         (avr_override_options): Init 'avr_current_arch'. 
3094         (base_arch_s): Move from here...
3095         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3096         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3097         'mega' to 'have_jmp_call'.
3098         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3099         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3100         macros.
3101         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3102         architectures.
3103         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3104         MULTILIB_MATCHES): (Ditto.).
3105
3106 2008-01-23  Richard Guenther  <rguenther@suse.de>
3107
3108         PR middle-end/31529
3109         * cgraphunit.c (cgraph_reset_node): Always mark the node
3110         not reachable if it is not queued already.
3111
3112 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3113
3114         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3115         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3116         (cputype_selected): New static variable.
3117         (bfin_handle_option): Set it if -mcpu is used.
3118         (override_option): Select default set of workarounds if no cpu type
3119         selected on the command line.
3120         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3121
3122         From  Michael Frysinger  <michael.frysinger@analog.com>
3123         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3124         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3125
3126         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3127         for bf547, bf523, bf524, and bf526.
3128         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3129         bf526.
3130         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3131         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3132         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3133         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3134         * doc/invoke.texi (Blackfin Options): Document that
3135         -mcpu now accept bf547, bf523, bf524, and bf526.
3136
3137 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3138
3139         PR rtl-optimization/34628
3140         * combine.c (try_combine): Stop and undo after the first combination
3141         if an autoincrement side-effect on the first insn has effectively
3142         been lost.
3143
3144 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3145
3146         PR target/34529
3147         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3148         Offset addresses are not valid for Altivec or paired float modes.
3149
3150 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3151
3152         PR c++/34607
3153         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3154         if DECL_INITIAL (decl) is error_mark_node.
3155
3156         PR c++/34914
3157         * c-common.c (handle_vector_size_attribute): Only allow
3158         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3159         the same way as pointer, array etc. types.
3160         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3161
3162         PR c++/34917
3163         * tree.c (build_type_attribute_qual_variant): Call
3164         build_qualified_type if attributes are equal, but quals are not.
3165
3166 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3167
3168         PR 32102
3169         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3170         * flags.h (warn_strict_aliasing): Remove.
3171         (warn_strict_overflow): Remove.
3172         * opts.c (warn_strict_aliasing): Remove.
3173         (warn_strict_overflow): Remove.
3174         * c-opts.c (c_common_handle_option): -Wall only sets
3175         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3176         (c_common_post_options): Give default values to -Wstrict-aliasing
3177         and -Wstrict-overflow if they are uninitialized.
3178         * common.opt (Wstrict-aliasing): Specify Var and Init.
3179         (Wstrict-overflow): Likewise.
3180
3181 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3182
3183         PR rtl-optimization/26854
3184         PR rtl-optimization/34400
3185         PR rtl-optimization/34884
3186         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3187         DF_RD->gen.
3188         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3189         (df_rd_bb_info.expanded_lr_out): Deleted
3190         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3191         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3192         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3193         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3194         Removed code to allocate, initialize or free expanded_lr_out.
3195         (df_rd_bb_local_compute_process_def): Restructured to make more
3196         understandable.
3197         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3198         sets if the sets are being trimmed.
3199
3200 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3201
3202         PR bootstrap/32287
3203         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3204         (as_vers): Likewise.
3205         * configure: Regenerated.
3206
3207 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3208
3209         PR middle-end/33092
3210         * tree-pass.h (pass_build_alias): New pass.
3211         * tree-ssa-alias.c (gate_build_alias): New.
3212         (pass_build_alias): New.
3213         * passes.c (init_optimization_passes): Add pass_build_alias after
3214         pass_create_structure_vars.
3215
3216 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3217
3218         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3219         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3220         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3221         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3222         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3223         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3224         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3225         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3226         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3227         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3228         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3229         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3230         * config/s390/s390.md (FP_ALL): New mode iterator.
3231         (_d): New mode attribute.
3232         ("*signbit<mode>2>"): Changed mode of first operand.
3233         ("isinf<mode>2"): Changed mode of first operand.
3234         ("*TDC_insn"): Adaptation for DFP modes.
3235
3236 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3237
3238         * tree.c (check_qualified_type): Improve function description.
3239
3240 2008-01-21  Jason Merrill  <jason@redhat.com>
3241
3242         PR c++/34196
3243         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3244         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3245         if it is set.
3246
3247 2008-01-21  DJ Delorie  <dj@redhat.com>
3248
3249         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3250         return zero.
3251
3252 2008-01-21  Richard Guenther  <rguenther@suse.de>
3253
3254         PR middle-end/34856
3255         * tree-cfg.c (verify_expr): Allow all invariant expressions
3256         instead of just constant class ones as reference argument.
3257         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3258         like any other constant.
3259         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3260
3261 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3262
3263         * regmove.c (fixup_match_1): Update call crossed frequencies.
3264
3265 2008-01-21  Richard Guenther  <rguenther@suse.de>
3266
3267         PR c/34885
3268         * tree-inline.c (setup_one_parameter): Deal with mismatched
3269         types using a VIEW_CONVERT_EXPR.
3270
3271 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3272             Olga Golovanevsky  <olga@il.ibm.com>
3273         
3274         PR tree-optimization/34701
3275         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3276         when the structure size is not a power of 2.
3277
3278 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3279
3280         * doc/install.texi: Add doc for --enable-checking=df.
3281         
3282 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3283
3284         PR rtl-optimization/34808
3285         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3286
3287 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3288
3289         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3290         input.
3291
3292 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3293
3294         PR rtl-optimization/26854
3295         PR rtl-optimization/34400
3296         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3297         DF_RD->gen.
3298         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3299         (df_rd_bb_info.expanded_lr_out): New.
3300         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3301         * loop_iv.c (iv_analysis_loop_init): Ditto.
3302         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3303         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3304         Added code to allocate, initialize or free expanded_lr_out.
3305         (df_rd_bb_local_compute_process_def): Restructured to make
3306         more understandable.
3307         (df_rd_confluence_n): Add code to do nothing with fake edges and
3308         code to no apply invalidate_by_call sets if the sets are being trimmed.
3309         (df_lr_local_finalize): Renamed to df_lr_finalize.
3310         (df_live_local_finalize): Renamed to df_live_finalize.
3311
3312 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3313
3314         PR target/34831
3315         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3316         deciding whether to use reciprocal instructions.
3317
3318 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3319
3320         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3321         dwarf2out_note_section_used if cold_text_section is NULL.
3322
3323 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3324
3325         PR gcov-profile/34610
3326         * tree-cfg.c (make_edges): Mark both outgoing edges from
3327         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3328         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3329         from OMP_FOR and OMP_CONTINUE outgoing edges.
3330
3331         * tree-profile.c (tree_profiling): Return early if
3332         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3333         at the end.
3334         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3335         from cfun to child_cfun.
3336         * function.h (struct function): Add after_tree_profile bit.
3337
3338 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3339
3340         * config/avr/avr.S (_exit): Disable interrupt.
3341
3342 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3343             Steven Bosscher  <stevenb.gcc@gmail.com>
3344
3345         PR rtl-optimization/26854
3346         PR rtl-optimization/34400
3347         * df-problems.c (df_live_scratch): New scratch bitmap.
3348         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3349         (df_live_reset): Clear the proper bitmaps.
3350         (df_live_bb_local_compute): Only process the artificial defs once
3351         since the order is not important.
3352         (df_live_init): Init the df_live sets only with the variables
3353         found live by df_lr.
3354         (df_live_transfer_function): Use the df_lr sets to prune the
3355         df_live sets as they are being computed.  
3356         (df_live_free): Free df_live_scratch.
3357
3358 2008-01-18  Ian Lance Taylor  <iant@google.com>
3359
3360         * common.opt: Add fmerge-debug-strings.
3361         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3362         flag_merge_debug_strings rather than flag_merge_constants.
3363         * doc/invoke.texi (Option Summary): Mention
3364         -fmerge-debug-strings.
3365         (Debugging Options): Document -fmerge-debug-strings.
3366
3367 2008-01-18  Ian Lance Taylor  <iant@google.com>
3368
3369         PR c++/33407
3370         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3371         (struct tree_function_decl): Add new field operator_new_flag.
3372         * tree-inline.c (expand_call_inline): When inlining a call to
3373         operator new, force the return value to go into a variable, and
3374         set DECL_NO_TBAA_P on that variable.
3375         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3376
3377 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3378
3379         PR debug/34484
3380         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3381         DWARF2_DEBUGGING_INFO.
3382         (dwarf2out_note_section_used): Ditto.  Add prototype.
3383         (have_multiple_function_sections, text_section_used,
3384         cold_text_section_used, *cold_text_sections): Move declarations
3385         before their uses.
3386
3387 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3388
3389         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3390         field and add signal_ra.
3391         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3392         assignments to frame state pc.  Move end of stack check after
3393         MD_FALLBACK_FRAME_STATE_FOR.
3394         (uw_update_context_1): Use frame state signal_regs if set, instead
3395         of checking signal_frame flag.
3396         (uw_update_context): Use frame state signal_ra if set.
3397         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3398         * config/xtensa/linux-unwind.h: New file.
3399
3400 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3401
3402         * modulo-sched.c (get_sched_window): Fix comment typo.
3403
3404 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3405
3406         PR tree-optimization/34648
3407         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3408
3409 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3410
3411         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3412         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3413
3414 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3415
3416         PR rtl-optimization/34400
3417         * df-core.c (df_worklist_dataflow_overeager,
3418         df_worklist_dataflow_doublequeue): New functions.
3419         (df_worklist_dataflow): Two different worklist solvers.
3420         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3421         New param.
3422
3423 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         PR testsuite/34821
3426         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3427         and ftree-parallelize-loops.
3428
3429 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3430
3431         PR rtl-optimization/34826
3432         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3433
3434 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3435
3436         * global.c (find_reg): Mark the eh regs as used if necessary.
3437         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3438         * ra.h (struct allocno): no_eh_reg field added.  Changed
3439         no_stack_reg type to bitfield.
3440
3441 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3442
3443         * tree.c (substitute_in_expr): Add missing 'break'.
3444
3445 2008-01-17  Richard Guenther  <rguenther@suse.de>
3446
3447         PR tree-optimization/34825
3448         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3449         x / x as division to handle.
3450
3451 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3452
3453         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3454         "-pthread" is specified.
3455         * pa-hpux11.h (LIB_SPEC): Likewise.
3456
3457 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3458             Peter Bergner  <bergner@vnet.ibm.com>
3459
3460         PR rtl-optimization/33796
3461         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3462
3463 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3464
3465         PR libgfortran/34699
3466         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3467         static links.
3468         * pa-hpux10.h (LINK_SPEC): Likewise.
3469         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3470