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2008-03-15 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-03-15  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
4         (fold_const_aggregate_ref): Likewise.
5         (get_value): Return NULL if we don't have any values.
6         (ccp_finalize): Set const_val to NULL after freeing it.
7         * tree-flow.h (get_symbol_constant_value): Declare.
8         (fold_const_aggregate_ref): Likewise.
9         * tree-ssa-sccvn.c (try_to_simplify): Use them.
10
11 2008-03-15  Richard Guenther  <rguenther@suse.de>
12
13         PR middle-end/35593
14         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
15         to not produce negative array indices if not allowed.  Add
16         parameter to indicate that.
17         (maybe_fold_offset_to_component_ref): Allow negative array
18         indices only for the first member of a structure.
19         (maybe_fold_offset_to_reference): Allow negative array indices.
20         (maybe_fold_stmt_addition): Likewise.
21
22 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
23             Anatoly Sokolov <aesok@post.ru>
24
25         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
26         (avr_arch): Add ARCH_AVR6.
27         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
28         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
29         instead of fixed value 2.
30         (print_operand_address): Use gs() asm specifier instead of pm().
31         (avr_assemble_integer): (Ditto.).
32         (avr_output_addr_vec_elt): (Ditto.).
33         (print_operand): Handle "!" code.
34         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
35         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
36         (AVR_HAVE_EIJMP_EICALL): Define.
37         (AVR_3_BYTE_PC): Redefine.
38         (AVR_2_BYTE_PC): (Ditto.).
39         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
40         (LINK_SPEC): Add atmega2560 and atmega2561.
41         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
42         (crtm2561.o).
43         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
44         for 3 byte PC devices.
45         (call_value_insn): (Ditto.).
46         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
47         (indirect_jump): Use only for for 2 byte PC devices.
48         (*tablejump): (Ditto.).
49         (*indirect_jump_avr6): Add insn.
50         (*tablejump_rjmp): Don't use for 3 byte PC devices.
51         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
52         instead of ijmp for 3 byte PC devices.
53         (__tablejump2__): (Ditto.).
54         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
55         (MULITLIB_DIRNAMES): (Ditto.). 
56         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
57
58 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
59
60         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
61         "sse2_umulsidi3".  Use V1DI mode for operand 0.
62         ("mmx_psadbw"): Use V1DI mode for operand 0.
63         * config/i386/i386-modes.def (V1SI): New vector mode.
64         * config/i386/i386.c (struct builtin_description)
65         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
66         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
67         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
68         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
69         v1di_ftype_v8qi_v8qi type.
70         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
71
72         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
73         __builtin_ia32_pmuludq]: Fix the mode of return value.
74
75 2008-03-15  Richard Guenther  <rguenther@suse.de>
76
77         PR middle-end/35595
78         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
79         being a PHI_NODE.
80
81 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
82         
83         * doc/invoke.texi (Option Summary, Xtensa Options): Document
84         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
85         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
86         unless TARGET_SERIALIZE_VOLATILE is enabled.
87         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
88         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
89         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
90
91 2008-03-14  Richard Guenther  <rguenther@suse.de>
92
93         PR tree-optimization/34172
94         * tree-flow.h (refs_may_alias_p): Declare.
95         (get_single_def_stmt): Likewise.
96         (get_single_def_stmt_from_phi): Likewise.
97         (get_single_def_stmt_with_phi): Likewise.
98         * tree-dfa.c (refs_may_alias_p): New function.
99         (get_single_def_stmt): Likewise.
100         (get_single_def_stmt_from_phi): Likewise.
101         (get_single_def_stmt_with_phi): Likewise.
102         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
103         (vn_reference_lookup_1): New helper function.
104         (vn_reference_lookup): Walk the virtual use-def chain to
105         continue searching for a match if the def does not alias the
106         reference we are looking for.
107
108 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
109
110         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
111         archive and Perzl.  Update The Written Word listing.
112
113 2008-03-14  Richard Guenther  <rguenther@suse.de>
114
115         PR tree-optimization/34043
116         PR tree-optimization/33989
117         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
118         when doing FRE.
119         (bitmap_find_leader): Use extra argument to verify dominance
120         relationship inside a basic-block.
121         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
122         (find_leader_in_sets): Adjust.
123         (create_component_ref_by_pieces): Take extra argument for
124         dominance check, handle lookup failures.
125         (find_or_generate_expression): Likewise.
126         (create_expression_by_pieces): Likewise.
127         (insert_into_preds_of_block): Adjust.
128         (create_value_expr_from): If asked for, verify all operands
129         are in the blocks AVAIL_OUT set.
130         (make_values_for_stmt): Check for SSA_NAMEs that are life
131         over an abnormal edge.
132         (compute_avail): Remove such check.
133         (do_SCCVN_insertion): New function.
134         (eliminate): If we do not find a leader suitable for replacement
135         insert a replacement expression from SCCVN if available.
136         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
137         (struct vn_ssa_aux): Add needs_insertion flag.
138         * tree-ssa-sccvn.c (may_insert): New global flag.
139         (copy_reference_ops_from_ref): Value-number union member access
140         based on its size, not type and member if insertion is allowed.
141         (visit_reference_op_load): For a weak match from union type
142         punning lookup a view-converted value and insert a SSA_NAME
143         for that value if that is not found.
144         (visit_use): Make dumps shorter.  Do not disallow value numbering
145         SSA_NAMEs that are life over an abnormal edge to constants.
146         (free_scc_vn): Release inserted SSA_NAMEs.
147         (run_scc_vn): New flag to specify whether insertion is allowed.
148         Process SSA_NAMEs in forward order.
149         * tree-ssa-loop-im.c (for_each_index): Handle invariant
150         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
151         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
152         pointer type to/from integral types that do not change the
153         precision to regular conversions.
154
155 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
156
157         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
158         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
159         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
160         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
161         input arguments and the mode of return value.  Built-in functions
162         that operate on whole 64-bit MMX register now use V1DI mode.
163
164 2008-03-13  Alon Dayan  <alond@il.ibm.com>
165             Olga Golovanevsky  <olga@il.ibm.com>
166
167         PR tree-optimization/35041
168         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
169         to locate the right position in a statement.
170
171 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
172
173         PR target/34000
174         PR target/35553
175         * config/i386/xmmintrin.h:  Change all static inline functions to
176         extern inline and add __gnu_inline__ attribute.
177         * config/i386/bmintrin.h: Ditto.
178         * config/i386/smmintrin.h: Ditto.
179         * config/i386/tmmintrin.h: Ditto.
180         * config/i386/mmintrin-common.h: Ditto.
181         * config/i386/ammintrin.h: Ditto.
182         * config/i386/emmintrin.h: Ditto.
183         * config/i386/pmmintrin.h: Ditto.
184         * config/i386/mmintrin.h: Ditto.
185         * config/i386/mm3dnow.h: Ditto.
186
187 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
188
189         PR middle-end/35185
190         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
191         (lower_omp_2): New function.
192         (lower_omp_1, lower_omp): Rewritten.
193
194 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
195
196         PR 35054
197         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
198         with the phrase "Microsoft Windows compilers".
199         (Push/Pop Macro Pragmas): New subsection. Document
200         #pragma push_macro and pragma pop_macro.
201
202 2008-03-12  Paul Brook  <paul@codesourcery.com>
203
204         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
205
206 2008-03-12  Paul Brook  <paul@codesourcery.com>
207
208         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
209         (thumb2_alusi3_short): Exclude PLUS and MINUS.
210         (thumb2_addsi_shortim): Rename ...
211         (thumb2_addsi_short): ... to this.  Allow register operands.
212         (thumb2_subsi_short): New pattern.
213         (thumb2_one_cmplsi2_short,
214         thumb2_negsi2_short): New patterns and peepholes.
215
216 2008-03-12  Paul Brook  <paul@codesourcery.com>
217
218         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
219
220 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
221
222         * config/i386/i386.md (int_cond): New code iterator.
223         (fp_cond): Ditto.
224         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
225         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
226         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
227         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
228         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
229         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
230         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
231         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
232
233 2008-03-12  Paul Brook  <paul@codesourcery.com>
234
235         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
236         instead of {arm,thumb}_compute_save_reg_mask.
237         (output_return_instruction): Ditto.
238         (thumb_unexpanded_epilogue): Ditto.
239         (thumb1_expand_prologue): Ditto.
240         (thumb1_output_function_prologue): Ditto.
241         (arm_set_return_address): Ditto.
242         (thumb_set_return_address): Ditto.
243         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
244         regs to achieve stack alignment.
245         (thumb1_compute_save_reg_mask): Fix compiler warning.
246         (arm_output_epilogue): Use offsets->saved_regs_mask.
247         Adjust stack pointer by poping call clobered registers.
248         (arm_expand_prologue): Use offsets->saved_regs_mask.
249         Adjust stack pointer by pushing extra registers.
250         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
251
252 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
253
254         PR tree-opt/35422
255         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
256         conversion to the operands of a multiplication.
257
258 2008-03-12  Richard Guenther  <rguenther@suse.de>
259
260         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
261         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
262         * timevar.def (TV_TREE_PHIPROP): Add.
263         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
264         pass description.  Use TV_TREE_PHIPROP.
265         * tree-ssa-forwprop.c: Remove phiprop code.
266
267 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
268
269         PR middle-end/35549
270         * omp-low.c (maybe_lookup_decl): Constify first argument.
271         (use_pointer_for_field): Change last argument from bool to
272         omp_context *.  Disallow shared copy-in/out in nested
273         parallel if decl is shared in outer parallel too.
274         (build_outer_var_ref, scan_sharing_clauses,
275         lower_rec_input_clauses, lower_copyprivate_clauses,
276         lower_send_clauses, lower_send_shared_vars): Adjust callers.
277
278 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
279             Ira Rosen  <irar@il.ibm.com>
280
281         * tree-vectorizer.c (free_stmt_vec_info): New function.
282         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
283         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
284         * tree-vectorizer.h (free_stmt_vec_info): Declare.
285         * tree-vect-transform.c (vectorizable_conversion): Free
286         vec_oprnds0 if it was allocated.
287         (vect_permute_store_chain): Remove unused VECs.
288         (vectorizable_store): Free VECs that are allocated in the..
289         function.
290         (vect_transform_strided_load, vectorizable_load): Likewise.
291         (vect_remove_stores): Simplify the code.
292         (vect_transform_loop): Move code to vect_remove_stores().
293         Call vect_remove_stores() and free_stmt_vec_info().
294
295 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
296
297         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
298         TARGET_HPUX.  Revise comment.
299         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
300         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
301         Use sr4 variant of `be' instruction when not generating PIC code.
302         (attr_length_call): Adjust for above change.
303
304 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
305
306         * ipa-reference.c (static_execute): Remove module_statics_const and
307         associated setting code.
308
309 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
310
311         PR target/35540
312         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
313         constraint for operand 1.
314         (paritysi2_cmp): Use register_operand constraint for operand 2.
315         Use earlyclobber modifier for operand 1.  Remove support for
316         memory operands.
317         (paritydi2_cmp): Use register_operand constraint for operand 3.
318         Use earlyclobber modifier for operand 1.  Remove support for
319         memory operands.
320
321 2008-03-11  Paul Brook  <paul@codesourcery.com>
322             Vladimir Prus  <vladimir@codesourcery.com>
323
324         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
325         (arm_compute_save_reg0_reg12_mask): Always
326         check if register 11 must be saved.  Always safe hard frame pointer
327         when frame_pointer_needeed.
328         (arm_compute_save_reg_mask): Save IP and PC
329         only with apcs frames.
330         (arm_output_epilogue): Adjust Thumb2 codepath to
331         be also invoked and work for ARM non-apcs frames.
332         (arm_expand_prologue): Don't bother saving IP
333         for non-apcs frame, since it's not clobbered by
334         prologue code.  Implement non-apcs frame
335         layout.
336
337 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
338
339         PR rtl-optimization/35281
340         * expr.c (convert_move): Use a new pseudo for the intermediate
341         from_mode->word_mode result.
342
343 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
344
345         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
346         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
347         * toplev.c (compile_file): Don't call it.
348
349 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
350
351         PR middle-end/35526
352         * expr.c (store_expr): Call emit_block_move if the mode
353         of "temp" RTX is BLKmode.
354
355 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
356             Richard Guenther  <rguenther@suse.de>
357
358         PR tree-optimization/31358
359         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
360         the step with a NULL_TREE.
361         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
362         to sizetype if type is a pointer type.
363         (add_candidate_1): Don't convert the base and step to
364         the generic type if the orginal type is a pointer type.
365         (add_iv_value_candidates): Use sizetype for the step
366         if type is a pointer type.
367         (cand_value_at): Likewise.
368         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
369         for pointer types.
370         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
371         Don't convert the tem affine to the type.
372         (add_elt_to_tree): Use sizetype for the step if a pointer.
373         Use POINTER_PLUS_EXPR for pointers.
374         (aff_combination_to_tree): Use sizetype for the step if a
375         pointer.
376
377 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
378
379         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
380         Remove commutativity hint.
381
382 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
383
384         PR c/35438
385         PR c/35439
386         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
387         errorneous type.  Check that v is a VAR_DECL.
388
389         PR middle-end/35099
390         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
391
392 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
393
394         PR tree-optimization/35494
395         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
396         may be overriden at link and run time.
397
398 2008-03-10  Richard Guenther  <rguenther@suse.de>
399
400         PR tree-optimization/34677
401         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
402         (poolify_tree): Likewise.
403         (modify_expr_template): Likewise.
404         (poolify_modify_stmt): Likewise.
405         (insert_fake_stores): Handle all component-ref style stores
406         in addition to INDIRECT_REF.  Also handle complex types.
407         Do not poolify the inserted load.
408         (realify_fake_stores): Do not rebuild the tree but only
409         make it a SSA_NAME copy.
410         (init_pre): Remove initialzation of modify_expr_template.
411         Do not allocate modify_expr_node_pool.
412         (fini_pre): Do not free modify_expr_node_pool.
413
414 2008-03-10  Paul Brook  <paul@codesourcery.com>
415
416         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
417         to avoid conflicts.
418
419 2008-03-10  Paul Brook  <paul@codesourcery.com>
420             Mark Shinwell  <shinwell@codesourcery.com>
421
422         * config/arm/cortex-r4.md: New.
423         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
424         insn attributes.
425         * config/arm/arm.md: Include cortex-r4.md.
426         (insn): Add smmls, sdiv and udiv values.
427         (generic_sched): Don't use generic scheduling for Cortex-R4.
428         (arm_issue_rate): New function.
429         (TARGET_SCHED_ISSUE_RATE): Define.
430
431 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
432
433         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
434
435 2008-03-10  Richard Guenther  <rguenther@suse.de>
436
437         * tree-ssa-pre.c (get_sccvn_value): Simplify.
438         (compute_avail): Do not add stmt uses to AVAIL_OUT.
439
440 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
441
442         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
443         Set default to true.
444
445 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
446
447         * c.opt (Wsynth): Deprecate.
448         * doc/invoke.texi (Option Summary, Warning Options): Document
449         -Wno-format-contains-nul.
450
451 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
452
453         PR target/35496
454         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
455         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
456
457 2008-03-09  Ira Rosen  <irar@il.ibm.com>
458
459         * config/rs6000/rs6000.c (builtin_description): Rename vector
460         left shift operations.
461         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
462         (altivec_vsl<VI_char>): Rename to ...
463         (ashl<mode>3): ... new name.
464         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
465         gen_ashlv4si3.
466         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
467
468 2008-03-08  Richard Guenther  <rguenther@suse.de>
469
470         * coverage.h (tree_coverage_counter_addr): Declare.
471         * coverage.c (tree_coverage_counter_addr): New function.
472         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
473         before using again.
474         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
475         (tree_gen_one_value_profiler): Likewise.
476         (tree_gen_ic_profiler): Likewise.
477         (tree_gen_average_profiler): Likewise.
478         (tree_gen_ior_profiler): Likewise.
479
480 2008-03-08  Richard Guenther  <rguenther@suse.de>
481
482         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
483         (vn_binary_op_insert): Likewise.
484         (vn_unary_op_lookup): Likewise.
485         (vn_unary_op_insert): Likewise.
486         (vn_nary_op_lookup): Declare.
487         (vn_nary_op_insert): Likewise.
488         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
489         and binary hashes, use a single obstack for unary_op_pool
490         and binary_op_pool.
491         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
492         a single struct vn_nary_op_s.  Store tree code length and
493         a variable number of operands.
494         (struct vn_reference_op_struct): Remove unused op2.
495         (vn_reference_op_eq): Do not compare op2.
496         (vn_reference_op_compute_hash): Do not compute hash of op2.
497         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
498         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
499         with vn_nary_op_compute_hash.
500         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
501         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
502         vn_nary_op_lookup.
503         (vn_unary_op_insert, vn_binary_op_insert): Replace with
504         vn_nary_op_insert.
505         (visit_unary_op): Call nary functions.
506         (visit_binary_op): Likewise.
507         (process_scc): Adjust for struct vn_tables_s changes.
508         (allocate_vn_table): Likewise.
509         (free_vn_table): Likewise.
510         * tree-vn.c (vn_add): Call nary functions.
511         (vn_lookup): Likewise.
512
513 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
514
515         PR target/35498
516         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
517         wdst back after sync_compare_and_swapqhi_internal.
518
519 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
520
521         PR target/22152
522         * config/i386/i386-modes.def (V1DI): New vector mode.
523         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
524         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
525         (MMXMODE248): Ditto.
526         (MMXMODE): Add V1DI mode.
527         (mmxvecsize): Change DI mode to V1DI mode.
528         ("mov<mode>): Use MMXMODEI8 mode iterator.
529         ("*mov<mode>_internal_rex64"): Ditto.
530         ("*mov<mode>_internal"): Ditto.
531         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
532         ("mmx_sub<mode>3"): Ditto.
533         ("mmx_adddi3"): Remove insn pattern.
534         ("mmx_subdi3"): Ditto.
535         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
536         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
537         ("mmx_ashl<mode>3"): Ditto.
538         ("mmx_lshrdi3"): Remove insn pattern.
539         ("mmx_ashldi3"): Ditto.
540         * config/i386/i386.c (classify_argument): Handle V1DImode.
541         (function_arg_advance_32): Ditto.
542         (function_arg_32): Ditto.
543         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
544         mmx_addv1di3 insn pattern.
545         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
546         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
547         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
548         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
549         Remove definitions of built-in functions.
550         (V1DI_type_node): New node.
551         (v1di_ftype_v1di_int): Ditto.
552         (v1di_ftype_v1di_v1di): Ditto.
553         (v2si_ftype_v2si_si): Ditto.
554         (v4hi_ftype_v4hi_di): Remove node.
555         (v2si_ftype_v2si_di): Ditto.
556         (ix86_init_mmx_sse_builtins): Handle V1DImode.
557         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
558         Redefine builtins using def_builtin_const with *_ftype_*_int node.
559         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
560         Add new builtins using def_builtin_const.
561         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
562         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
563         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
564         * config/i386/mmintrin.h (__v1di): New typedef.
565         (_mm_add_si64): Cast arguments to __v1di type.
566         (_mm_sub_si64): Ditto.
567         (_mm_sll_pi16): Cast __count to __v4hi type.
568         (_mm_sll_pi32): Cast __count to __v2si type.
569         (_mm_sll_si64): Cast arguments to __v1di type.
570         (_mm_srl_pi16): Cast __count to __v4hi type.
571         (_mm_srl_pi32): Cast __count to __v2si type.
572         (_mm_srl_si64): Cast arguments to __v1di type.
573         (_mm_sra_pi16): Cast __count to __v4hi type.
574         (_mm_sra_pi32): Cast __count to __v2si type.
575         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
576         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
577         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
578         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
579         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
580         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
581         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
582         (_mm_srai_pi32): Use __builtin_ia32_psradi.
583         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
584         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
585         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
586         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
587
588 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
589
590         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
591
592 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
593
594         PR target/35373
595         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
596         reg+const addressing for Altivec modes.  Don't generate reg+reg
597         addressing for TFmode or TDmode quantities.
598
599 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
600
601         * c-common.c (vector_types_convertible_p): Call langhook
602         instead of comptypes.
603
604 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
605
606         PR tree-opt/35402
607         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
608         integral and scalar float variables which have a
609         NULL DECL_INITIAL.
610
611 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
612
613         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
614         dwarf_register_span hook when emitting unwind information for
615         register-to-memory saves.
616         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
617         (rs6000_frame_related): Remove call to spe_synthesize_frame.
618
619 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
620
621         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
622         for the same VAR_DECL.
623
624 2008-03-06  Tom Tromey  <tromey@redhat.com>
625
626         * treelang: Delete.
627         * doc/standards.texi (Standards): Don't mention treelang.
628         * doc/invoke.texi (Overall Options): Don't mention treelang.
629         * doc/install.texi (Prerequisites): Don't mention bison or
630         treelang.
631         (Configuration): Don't mention treelang.
632         (Building): Likewise.
633         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
634
635 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
636
637         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
638         word-extractions out of a multi-word object.
639
640 2008-03-06  Richard Guenther  <rguenther@suse.de>
641
642         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
643         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
644         result type and precision.
645         * expr.c (get_inner_reference): Set unsignedp based on the result
646         type of BIT_FIELD_REF.
647         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
648         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
649         (try_instantiate_multiple_fields): Likewise.  Use the correct type
650         for BIT_FIELD_REF.
651         (sra_build_assignment): Likewise.
652         (sra_build_elt_assignment): Likewise.
653         (sra_explode_bitfield_assignment): Likewise.
654         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
655         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
656         set BIT_FIELD_REF_UNSIGNED.
657         (vectorizable_load): Likewise.
658
659 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
660
661         * cse.c (cse_extended_basic_block): Invalidate artificial defs
662         at bb start.
663
664 2008-03-06  Richard Guenther  <rguenther@suse.de>
665
666         * alias.c (struct alias_set_entry): Move has_zero_child field
667         to pack with alias_set.
668
669 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
670
671         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
672         32bit host.
673
674 2008-03-05  Ian Lance Taylor  <iant@google.com>
675
676         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
677
678 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
679
680         * fwprop.c (update_df): Support width and offset parameters of
681         df_ref_create.
682         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
683         global_conflicts): Change DF_REF_EXTRACT to either
684         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
685         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
686         * df-scan.c (df_ref_record, df_defs_record,
687         df_ref_create_structure, df_def_record_1, df_uses_record,
688         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
689         df_bb_refs_collect, df_entry_block_defs_collect,
690         df_exit_block_uses_collect): Support new width and offset fields.
691         (ref_extract_pool): New storage pool.
692         (df_free_ref): New function.
693         (df_reg_chain_unlink, df_free_collection_rec,
694         df_sort_and_compress_refs): Call df_free_ref.
695         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
696         of df_ref_extract.
697         (df_ref_create_structure): Allocate df_ref_extract if offset and
698         width fields are used.
699         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
700         (df_uses_record): Get offset and width from ZERO_EXTRACT 
701         and SIGN_EXTRACT.
702         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
703         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
704         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
705         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
706         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
707         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
708         (df_ref_extract): New structure.
709         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
710         (df_ref_create): Add width and offset parameters.
711         
712 2008-03-05  Richard Guenther  <rguenther@suse.de>
713
714         * tree-ssa-structalias.c (get_constraint_for_component_ref):
715         Use ranges_overlap_p.
716         (offset_overlaps_with_access): Rename
717         to ranges_overlap_p and move ...
718         * tree-flow-inline.h (ranges_overlap_p): ... here.
719
720         * tree.h (get_inner_reference, handled_component_p): Update
721         comments.
722
723         * tree.h (record_component_aliases, get_alias_set,
724         alias_sets_conflict_p, alias_sets_must_conflict_p,
725         objects_must_conflict_p): Move declarations ...
726         * alias.h (record_component_aliases, get_alias_set,
727         alias_sets_conflict_p, alias_sets_must_conflict_p,
728         objects_must_conflict_p): ... here.
729         Include coretypes.h.
730         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
731
732 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
733
734         * cfg.c: Include tree-flow.h.
735         (remove_edge_raw): Call redirect_edge_var_map_clear.
736         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
737         * tree-flow-inline.h (redirect_edge_var_map_def): New.
738         (redirect_edge_var_map_result): New.
739         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
740         PENDING_STMT use with redirect_edge_var_map_*.
741         * tree-ssa.c (edge_var_maps): New definition.
742         (redirect_edge_var_map_add): New.
743         (redirect_edge_var_map_clear): New.
744         (redirect_edge_var_map_dup): New.
745         (redirect_edge_var_map_vector): New.
746         (redirect_edge_var_map_destroy): New.
747         (ssa_redirect_edge): Replace PENDING_STMT use with
748         redirect_edge_var_map_*.
749         (flush_pending_stmts): Same.
750         (delete_tree_ssa): Destroy edge var map.
751         * tree-flow.h (struct _edge_var_map): New.
752         Define edge_var_map vector type.
753         Declare redirect_edge_var_map_* prototypes.
754         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
755         * tree-cfg.c (reinstall_phi_args): Replace
756         PENDING_STMT use with redirect_edge_var_map_*.
757
758 2008-03-05  Richard Guenther  <rguenther@suse.de>
759
760         PR tree-optimization/35472
761         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
762         whose single use_stmt has a overlapping set of loaded and
763         stored symbols as that use_stmt might be a noop assignment then.
764
765 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
766
767         * gthr-rtems.h: Implement __gthread_mutex_destroy.
768
769 2008-03-05  Richard Guenther  <rguenther@suse.de>
770
771         PR c++/35336
772         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
773         should be constants.
774         * tree-cfg.c (verify_expr): Verify it.
775         * fold-const.c (fold_truthop): Remove code generating
776         BIT_FIELD_REFs of structure bases.
777         (fold_binary): Likewise.
778         (fold_ternary): Position and size of BIT_FIELD_REFs are
779         always host integers.
780         (make_bit_field_ref): Remove.
781         (optimize_bit_field_compare): Remove.
782         (all_ones_mask_p): Remove.
783
784 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
785
786         PR gcc/33009
787         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
788         (split_block_and_df_analyze): New. Split basic block and rebuild
789         dataflow.
790         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
791         SPLIT_BLOCK.
792         (split_pattern_seq): Likewise.
793         (erase_matching_seqs): Likewise.
794         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
795
796 2008-03-04  Geoff Keating  <geoffk@apple.com>
797
798         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
799         declaration and code.
800         (tree_invalid_nonnegative_warnv_p): Likewise.
801
802 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
803
804         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
805         examples.  Truncate option-names then causing overfull hbox.
806
807 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
808
809         PR target/35222
810         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
811         on hpux10.
812         * configure: Rebuilt.
813
814 2008-03-04  Rafael Espindola  <espindola@google.com>
815
816         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
817         (tree_unary_nonnegative_warnv_p): New.
818         (tree_binary_nonnegative_warnv_p): New.
819         (tree_single_nonnegative_warnv_p): New.
820         (tree_invalid_nonnegative_warnv_p): New.
821         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
822
823 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
824
825         PR 28322
826         * opts.c (handle_option): Postpone 'unknown option' errors only for
827         warning options.
828
829 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
830
831         PR target/35453
832         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
833         (_SIDD_XXX): This.
834
835 2008-03-04  Rafael Espindola  <espindola@google.com>
836
837         * fold-const.c (tree_unary_nonzero_warnv_p): New.
838         (tree_binary_nonzero_warnv_p): New.
839         (tree_single_nonzero_warnv_p): New.
840         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
841
842 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
843
844         PR middle-end/35456
845         * fold-const.c (fold_cond_expr_with_comparison): Prevent
846         transformations for modes that have signed zeros.
847         * ifcvt.c (noce_try_abs): Ditto.
848
849 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
850
851         * config/i386/i386.c (override_options): Force
852         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
853
854 2008-03-04  Jan Hubicka  <jh@suse.cz>
855
856         PR c++/35262
857         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
858         in last commit.
859
860 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
861
862         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
863         label to probe the stack.
864
865 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
866
867         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
868         (__gthr_win32_mutex_destroy): Declare.
869         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
870         __gthr_win32_mutex_destroy.
871         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
872
873 2008-03-03  Jan Hubicka  <jh@suse.cz>
874
875         PR c++/35262
876         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
877         aggressive on inlining cold calls.
878
879 2008-03-03  Richard Guenther  <rguenther@suse.de>
880
881         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
882         struct copies into the expression table.
883         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
884         (try_to_simplify): Likewise.
885         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
886         integral and pointer arguments which do not change the
887         precision to NOP_EXPRs.
888         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
889         VIEW_CONVERT_EXPR case.
890
891 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
892
893         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
894         defined in a loop at depth 0 is invariant.
895         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
896         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
897         be called at loop depth 0.
898
899 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
900
901         PR driver/35420
902         * gcc.c (process_command): Update copyright notice dates.
903         * gcov.c (print_version): Likewise.
904         * gcov-dump.c (print_version): Likewise.
905         * mips-tfile.c (main): Likewise.
906         * mips-tdump.c (main): Likewise.
907
908 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
909
910         PR 24924
911         * c-common.c (flag_permissive): Delete.
912         (constant_expression_warnings): Check flags first.
913         (constant_expression_error): New.
914         * c-common.h (flag_permissive): Delete.
915         (constant_expression_error): Declare.
916         * flags.h (flag_permissive): Declare. Update description.
917         * diagnostic.c (pedwarn): Update.
918         (permerror): New.
919         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
920         (permissive_error_kind): New.
921         * toplev.c (flag_permissive): Define. Update description.
922         * toplev.h (permissive_error_kind): Declare.
923         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
924         (pedwarn_c90): Use pedantic_warning_kind.
925         * c-opts.c (c_common_post_options): flag_permissive does not affect
926         flag_pedantic_errors.
927
928 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
929
930         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
931         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
932         __absvsi2, __absvDI2): Use unsigned arithmetic.
933
934 2008-03-02  Andi Kleen  <ak@suse.de>
935             Richard Guenther  <rguenther@suse.de>
936
937         * struct-equiv.c: Remove file.
938         * cfg_cleanup.c (condjump_equiv_p): Remove.
939         * Makefile.in (OBJS-common): Remove struct-equiv.o.
940         (struct-equiv.o): Remove rule.
941         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
942         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
943         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
944
945 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
946
947         * ifcvt.c (noce_process_if_block): Try to handle only the then
948         block if the else block exists but isn't suitable.
949
950 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
951
952         PR gcc/35063
953         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
954         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
955         regression from previous patch.
956
957 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
958
959         PR gcc/35063
960         * gthr.h: Add __gthread_mutex_destroy as a function that must be
961         implemented.
962         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
963         * gthr-single.h (__gthread_mutex_destroy): Likewise.
964         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
965         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
966         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
967         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
968         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
969         (__gthread_mutex_destroy_function): Rename to
970         __gthread_mutex_destroy.
971         * gthr-dce.h (__gthread_mutex_destroy): Call
972         pthread_mutex_destroy.
973         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
974         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
975         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
976
977 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
978
979         * df-scan.c (df_ref_chain_change_bb): Simplify.
980         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
981         set_block_for_insn if there's any change.
982         * df.h ((df_insn_change_bb): Fix prototype.
983         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
984         df_insn_change_bb, don't call set_block_for_insn.
985         * emit-rtl.c (reorder_insns): Likewise.
986         * haifa-sched.c (move_insn): Likewise.
987
988 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
989
990         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
991
992 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
993
994         * tree-flow-inline.h (next_readonly_imm_use): Return
995         NULL_USE_OPERAND_P after the end.
996
997 2008-03-01  Richard Guenther  <rguenther@suse.de>
998
999         PR tree-optimization/35411
1000         * tree-sra.c (sra_build_assignment): Split conversion to
1001         final type to a separate statement if we are not assigning
1002         to a register.
1003
1004 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1005
1006         * fold-const.c (fold_convertible_p): Correct the logic to follow
1007         that in fold_convert().
1008
1009 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1010
1011         PR c++/35315
1012         * tree-inline.c (build_duplicate_type): When we make a
1013         duplicate type, make it unique in the canonical types system.
1014
1015 2008-02-29  Tom Tromey  <tromey@redhat.com>
1016
1017         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1018         input_file_stack_history, input_file_stack_restored): Remove.
1019         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1020         * input.h (struct file_stack): Remove.
1021         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1022         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1023         Likewise.
1024         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1025         type.
1026         (diagnostic_last_module_changed): Add 'map' argument.
1027         (diagnostic_set_last_function): Likewise.
1028         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1029         line map, not input_file_stack.
1030         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1031
1032 2008-02-29  Paul Brook  <paul@codesourcery.com>
1033
1034         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1035
1036 2008-02-29  Paul Brook  <paul@codesourcery.com>
1037
1038         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1039
1040 2008-02-29  Richard Guenther  <rguenther@suse.de>
1041
1042         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1043         vn_lookup_or_add.
1044         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1045         value for comparing for a store match.
1046         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1047         (try_to_simplify): Do not do a full-blown reference lookup.
1048
1049 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1050
1051         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1052         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1053
1054         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1055
1056 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1059         strides against cache sizes.
1060
1061 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1062
1063         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1064         constant to fpul.
1065
1066 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1067
1068         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1069         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1070         is smaller than the original promoted value.
1071         (simplify_subreg): If OP is a SUBREG, try to preserve its
1072         SUBREG_PROMOTED_VAR_P information.
1073
1074 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1075
1076         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1077         (VN_INFO_GET): Allocate new objects on the obstack.
1078         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1079         for rpo_numbers_temp, for consistency.
1080         (free_scc_vn): Free the obstack.
1081
1082 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1083
1084         * doc/invoke.texi: Document -ftree-loop-distribution.
1085         * tree-loop-distribution.c: New.
1086         * tree-pass.h (pass_loop_distribution): New.
1087         * graphds.h (struct graph): Add htab_t indices.
1088         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1089         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1090         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1091         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1092         * tree-data-ref.c (debug_data_dependence_relations): New.
1093         (dump_data_dependence_relation): Also print data references.
1094         (free_data_ref): Extern.
1095         (same_access_functions): Moved...
1096         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1097         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1098         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1099         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1100         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1101         (stmts_from_loop): Skip LABEL_EXPR.
1102         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1103         New.
1104         (build_rdg): Initialize rdg->indices htab.
1105         (free_rdg, stores_from_loop, ref_base_address,
1106         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1107         have_similar_memory_accesses_1, ref_base_address_1,
1108         remove_similar_memory_refs): New.
1109         * tree-data-ref.h: Depend on tree-chrec.h.
1110         (debug_data_dependence_relations, free_data_ref): Declared.
1111         (same_access_functions): ... here.
1112         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1113         New.
1114         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1115         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1116         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1117         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1118         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1119         rdg_vertex_for_stmt): Declared.
1120         (struct rdg_edge): Add level.
1121         (RDGE_LEVEL): New.
1122         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1123         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1124         Declared.
1125         (rdg_has_similar_memory_accesses): New.
1126         * tree-vect-analyze.c: Remove unused static decls.
1127         * lambda.h (dependence_level): New.
1128         * common.opt (ftree-loop-distribution): New.
1129         * tree-flow.h (mark_virtual_ops_in_bb, 
1130         slpeel_tree_duplicate_loop_to_edge_cfg,
1131         rename_variables_in_loop): Declared.
1132         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1133         (OBJS-common): Add tree-loop-distribution.o.
1134         (tree-loop-distribution.o): New rule.
1135         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1136         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1137         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1138
1139 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1140
1141         PR target/33963
1142         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1143         other than structures and unions.
1144
1145 2008-02-28  Richard Guenther  <rguenther@suse.de>
1146
1147         Revert:
1148         2008-02-26  Richard Guenther  <rguenther@suse.de>
1149
1150         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1151         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1152         (lookup_decl_from_uid): Declare.
1153         (remove_decl_from_map): Likewise.
1154         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1155         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1156         (decl_for_uid_map): New global hashtable mapping DECL_UID
1157         to the decl tree.
1158         (init_ttree): Allocate it.
1159         (insert_decl_to_uid_decl_map): New helper function.
1160         (make_node_stat): Insert new decls into the map.
1161         (copy_node_stat): Likewise.
1162         (lookup_decl_from_uid): New function.
1163         (remove_decl_from_map): Likewise.
1164         (print_decl_for_uid_map_statistics): New helper.
1165         (dump_tree_statistics): Call it.
1166
1167         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1168         (referenced_var_iterator): Adjust.
1169         (FOR_EACH_REFERENCED_VAR): Adjust.
1170         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1171         (num_referenced_vars): Adjust.
1172         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1173         (first_referenced_var): Remove.
1174         (end_referenced_vars_p): Likewise.
1175         (next_referenced_var): Likewise.
1176         (referenced_var_iterator_set): New helper function.
1177         * tree-dfa.c (referenced_var_lookup): Adjust.
1178         (referenced_var_check_and_insert): Likewise.
1179         (remove_referenced_var): Likewise.
1180         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1181         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1182         (verify_call_clobbering): Likewise.
1183         (verify_memory_partitions): Likewise.
1184         (init_tree_ssa): Allocate bitmap instead of hashtable for
1185         referenced_vars.
1186         (delete_tree_ssa): Adjust.
1187         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1188         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1189         (compute_tag_properties): Likewise.
1190         (set_initial_properties): Likewise.
1191         (find_partition_for): Likewise.
1192         (update_reference_counts): Likewise.
1193         (dump_may_aliases_for): Likewise.
1194         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1195         (add_call_clobber_ops): Likewise.
1196         (add_call_read_ops): Likewise.
1197         (get_asm_expr_operands): Likewise.
1198         * tree-into-ssa.c (dump_decl_set): Likewise.
1199         (update_ssa): Likewise.
1200         * tree-sra.c (scan_function): Likewise.
1201         (decide_instantiations): Likewise.
1202         (scalarize_parms): Likewise.
1203         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1204         (dsa_named_for): Likewise.
1205         * tree-ssa-structalias.c (update_alias_info): Likewise.
1206         (merge_smts_into): Likewise.
1207
1208 2008-02-27  David Daney  <ddaney@avtrex.com>
1209
1210         PR target/34409
1211         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1212         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1213         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1214         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1215         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1216
1217 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         PR target/25477
1220         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1221         (BUILT_IN_NEXTTOWARD): Remove.
1222         (BUILT_IN_NEXTTOWARDF): Ditto.
1223         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1224         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1225
1226 2008-02-27  Tom Tromey  <tromey@redhat.com>
1227
1228         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1229         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1230
1231 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1232
1233         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1234         update the respective field on newdecl.
1235
1236 2008-02-27  Revital Eres  <eres@il.ibm.com>
1237
1238         PR rtl-optimization/34999
1239         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1240         crossing edges that ends with a call insn.
1241         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1242         call insn and clear the EDGE_CROSSING flag of the crossing edge
1243         when fixing fallthru edges.
1244
1245 2008-02-27  Richard Guenther  <rguenther@suse.de>
1246
1247         PR middle-end/35390
1248         * fold-const.c (fold_unary): Return the correct argument,
1249         converted to the result type.
1250
1251 2008-02-27  Richard Guenther  <rguenther@suse.de>
1252
1253         PR middle-end/34971
1254         * expr.c (expand_expr_real_1): Assert on rotates that operate
1255         on partial modes.
1256         * fold-const.c (fold_binary): Use the types precision, not the
1257         bitsize of the mode if folding rotate expressions.  Build rotates
1258         only for full modes.
1259
1260 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1261
1262         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1263         and CPP_PRAGMA_EOL.
1264         * c-pragma.c (pragma_ns_name): New typedef.
1265         (registered_pp_pragmas): New variable.
1266         (c_pp_lookup_pragma): New function.
1267         (c_register_pragma_1): If flag_preprocess_only, do nothing
1268         for non-expanded pragmas, for expanded ones push pragma's
1269         namespace and name into registered_pp_pragmas vector.
1270         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1271         flag_preprocess_only, don't register GCC pch_preprocess
1272         pragma if flag_preprocess_only.
1273         * c-opts.c (c_common_init): Call init_pragma even if
1274         flag_preprocess_only.
1275         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1276         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1277         cpp_register_pragma if flag_preprocess_only.
1278
1279 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1280
1281         PR c/28800
1282         * c-parser.c (c_parser_translation_unit): Warn for empty
1283         translation unit, not empty source file.
1284
1285 2008-02-26  Paul Brook  <paul@codesourcery.com>
1286
1287         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1288         operand for Thumb-2.
1289         * config/arm/arm.h (reg_class): Add CORE_REGS.
1290         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1291         (BASE_REG_CLASS): Use CORE_REGS.
1292         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1293         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1294         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1295         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1296         ARM_REGNO_OK_FOR_INDEX_P.
1297         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1298         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1299         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1300         (ldm/stm peepholes): Ditto.
1301         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1302         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1303         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1304         * config/arm/constraints.md: Enable "k" constraint on ARM.
1305
1306 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1307
1308         * config/rs6000/rs6000.c: Annotate cache line size field in all
1309         instances of struct processor_costs.
1310
1311 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1312
1313         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1314         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1315         jump_bypass): New counters.
1316         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1317         * dce.c (gate_ud_dce): Same.
1318         (gate_fast_dce): Same.
1319         * dse.c (gate_dse1): New function.
1320         (gate_dse2): New function.
1321         (gate_dse): Merge results of new gate functions.
1322         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1323         (gate_handle_jump_bypass): Add dbg_cnt.
1324         (gate_handle_gcse): Add dbg_cnt.
1325         * ifcvt.c (gate_handle_if_conversion): Same.
1326         (gate_handle_if_after_combine): Same.
1327         (gate_handle_if_after_reload): Same.
1328         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1329
1330 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1331
1332         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1333         line sizes.
1334         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1335
1336 2008-02-26  Jason Merrill  <jason@redhat.com>
1337
1338         PR c++/35315
1339         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1340         alone if it's the naming decl for the type's main variant.
1341
1342 2008-02-26  Tom Tromey  <tromey@redhat.com>
1343
1344         * system.h (USE_MAPPED_LOCATION): Poison.
1345         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1346         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1347         (make_goto_expr_edges): Likewise.
1348         (remove_bb): Likewise.
1349         (execute_warn_function_return): Likewise.
1350         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1351         location_t.
1352         * c-common.c (fname_decl): Remove old location code.
1353         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1354         location code.
1355         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1356         variant.
1357         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1358         (gen_rtx_ASM_INPUT): Likewise.
1359         (gen_rtx_ASM_INPUT_loc): Likewise.
1360         (get_rtx_asm_OPERANDS): Remove.
1361         * cfglayout.c (insn_locators_alloc): Remove old location code.
1362         (set_curr_insn_source_location): Likewise.
1363         (curr_insn_locator): Likewise.
1364         * print-tree.c (print_node): Remove old location code.
1365         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1366         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1367         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1368         location_from_locus.
1369         (construct_exit_block): Remove old location code.
1370         * emit-rtl.c (force_next_line_note): Remove old location code.
1371         * profile.c (branch_prob): Remove old location code.
1372         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1373         LOC_LINE): Remove old-location variants.
1374         * langhooks.c (lhd_print_error_function): Remove old location
1375         code.
1376         * configure, config.in: Rebuilt.
1377         * configure.ac (--enable-mapped-location): Remove.
1378         * c-decl.c (c_init_decl_processing): Remove old location code.
1379         (finish_function): Likewise.
1380         * recog.c (decode_asm_operands): Remove old location code.
1381         * c-pch.c (c_common_read_pch): Remove old location code.
1382         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1383         variants.
1384         * gimple-low.c (lower_function_body): Remove old location code.
1385         * toplev.c (unknown_location): Remove.
1386         (push_srcloc): Remove old-location variant.
1387         (process_options): Remove old location code.
1388         (lang_dependent_init): Likewise.
1389         * input.h (UNKNOWN_LOCATION): Move definition.
1390         (location_t): Undeprecate.
1391         (source_locus): Remove.
1392         (location_from_locus): Remove.
1393         (struct location_s): Remove.
1394         Remove all old-location code.
1395         (input_line, input_filename): Remove.
1396         * final.c (final_scan_insn): Remove old location code.
1397         * diagnostic.c (diagnostic_build_prefix): Remove
1398         USE_MAPPED_LOCATION test.
1399         * tree.h (gimple_stmt) <locus>: Now a location_t.
1400         (tree_exp) <locus>: Likewise.
1401         (DECL_IS_BUILTIN): Remove old-location variant.
1402         (annotate_with_file_line, annotate_with_locus): Likewise.
1403         (expr_locus, set_expr_locus): Update.
1404         * tree.c (build1_stat): Remove old location code.
1405         (last_annotated_node): Remove.
1406         (annotate_with_file_line): Remove old-location variant.
1407         (annotate_with_locus): Likewise.
1408         (expr_location): Remove old location code.
1409         (set_expr_location): Likewise.
1410         (expr_has_location): Likewise.
1411         (expr_locus): Likewise.
1412         (set_expr_locus): Likewise.
1413         (expr_filename): Don't use location_from_locus.
1414         (expr_lineno): Likewise.
1415         * rtl-error.c (location_for_asm): Remove old location code.
1416         * c-lex.c (cb_line_change): Remove old location code.
1417         (fe_file_change): Likewise.
1418         (cb_def_pragma): Likewise.
1419         (c_lex_with_flags): Likewise.
1420         * gengtype.c (do_typedef): Don't special-case location types.
1421         (define_location_structures): Remove.
1422         (main): Don't call define_location_structures.
1423         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1424         code.
1425
1426 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1427
1428         PR 26264
1429         * builtins.def (BUILT_IN_STDARG_START): Remove.
1430         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1431         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1432         * tree-inline.c (inline_forbidden_p_1): Likewise.
1433         
1434 2008-02-26  Richard Guenther  <rguenther@suse.de>
1435
1436         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1437         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1438         (lookup_decl_from_uid): Declare.
1439         (remove_decl_from_map): Likewise.
1440         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1441         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1442         (decl_for_uid_map): New global hashtable mapping DECL_UID
1443         to the decl tree.
1444         (init_ttree): Allocate it.
1445         (insert_decl_to_uid_decl_map): New helper function.
1446         (make_node_stat): Insert new decls into the map.
1447         (copy_node_stat): Likewise.
1448         (lookup_decl_from_uid): New function.
1449         (remove_decl_from_map): Likewise.
1450         (print_decl_for_uid_map_statistics): New helper.
1451         (dump_tree_statistics): Call it.
1452
1453         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1454         (referenced_var_iterator): Adjust.
1455         (FOR_EACH_REFERENCED_VAR): Adjust.
1456         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1457         (num_referenced_vars): Adjust.
1458         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1459         (first_referenced_var): Remove.
1460         (end_referenced_vars_p): Likewise.
1461         (next_referenced_var): Likewise.
1462         (referenced_var_iterator_set): New helper function.
1463         * tree-dfa.c (referenced_var_lookup): Adjust.
1464         (referenced_var_check_and_insert): Likewise.
1465         (remove_referenced_var): Likewise.
1466         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1467         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1468         (verify_call_clobbering): Likewise.
1469         (verify_memory_partitions): Likewise.
1470         (init_tree_ssa): Allocate bitmap instead of hashtable for
1471         referenced_vars.
1472         (delete_tree_ssa): Adjust.
1473         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1474         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1475         (compute_tag_properties): Likewise.
1476         (set_initial_properties): Likewise.
1477         (find_partition_for): Likewise.
1478         (update_reference_counts): Likewise.
1479         (dump_may_aliases_for): Likewise.
1480         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1481         (add_call_clobber_ops): Likewise.
1482         (add_call_read_ops): Likewise.
1483         (get_asm_expr_operands): Likewise.
1484         * tree-into-ssa.c (dump_decl_set): Likewise.
1485         (update_ssa): Likewise.
1486         * tree-sra.c (scan_function): Likewise.
1487         (decide_instantiations): Likewise.
1488         (scalarize_parms): Likewise.
1489         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1490         (dsa_named_for): Likewise.
1491         * tree-ssa-structalias.c (update_alias_info): Likewise.
1492         (merge_smts_into): Likewise.
1493
1494 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1495
1496         PR 34351
1497         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1498         * c-opts.c (c_common_handle_option): Wall enables
1499         Wvolatile-register-var.
1500         * common.opt: Move Wvolatile-register-var to...
1501         * c.opt: ...here.
1502         
1503 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1504
1505         * common.opt (Wlarger-than=): New.
1506         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1507         -Wlarger-than=.
1508         * opts.c (common_handle_option): Handle -Wlarger-than=.
1509         * optc-gen.awk: Likewise.
1510         * opth-gen.awk: Likewise.
1511         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1512         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1513         
1514 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1515
1516         * c-common.c (match_case_to_enum_1): Add appropriate
1517         OPT_W* parameter to warning.
1518         (c_do_switch_warnings): Likewise.
1519         * c-typeck.c (warning_init): Add one more parameter following
1520         'warning' function.
1521         (push_init_level): Update call to warning_init.
1522         (pop_init_level): Likewise.
1523         (add_pending_init): Likewise.
1524         (output_init_element: Likewise.
1525
1526 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1527
1528         PR 28322
1529         * toplev.c (toplev_main): If there are warnings or error, print
1530         errors for ignored options.
1531         * opts.c (ignored_options): New static variable.
1532         (postpone_unknown_option_error): New.
1533         (print_ignored_options): New.
1534         (handle_option): Postpone errors for unknown -Wno-* options.
1535         * opts.h (print_ignored_options): Declare.
1536         
1537 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1538
1539         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1540         to "ghost".
1541
1542 2008-02-25  Richard Guenther  <rguenther@suse.de>
1543
1544         Revert:
1545         2008-02-25  Richard Guenther  <rguenther@suse.de>
1546
1547         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1548         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1549         (lookup_decl_from_uid): Declare.
1550         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1551         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1552         (decl_for_uid_map): New global hashtable mapping DECL_UID
1553         to the decl tree.
1554         (init_ttree): Allocate it.
1555         (insert_decl_to_uid_decl_map): New helper function.
1556         (make_node_stat): Insert new decls into the map.
1557         (copy_node_stat): Likewise.
1558         (lookup_decl_from_uid): New function.
1559         (print_decl_for_uid_map_statistics): New helper.
1560         (dump_tree_statistics): Call it.
1561
1562         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1563         (referenced_var_iterator): Adjust.
1564         (FOR_EACH_REFERENCED_VAR): Adjust.
1565         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1566         (num_referenced_vars): Adjust.
1567         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1568         (first_referenced_var): Remove.
1569         (end_referenced_vars_p): Likewise.
1570         (next_referenced_var): Likewise.
1571         (referenced_var_iterator_set): New helper function.
1572         * tree-dfa.c (referenced_var_lookup): Adjust.
1573         (referenced_var_check_and_insert): Likewise.
1574         (remove_referenced_var): Likewise.
1575         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1576         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1577         (verify_call_clobbering): Likewise.
1578         (verify_memory_partitions): Likewise.
1579         (init_tree_ssa): Allocate bitmap instead of hashtable for
1580         referenced_vars.
1581         (delete_tree_ssa): Adjust.
1582         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1583         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1584         (compute_tag_properties): Likewise.
1585         (set_initial_properties): Likewise.
1586         (find_partition_for): Likewise.
1587         (update_reference_counts): Likewise.
1588         (dump_may_aliases_for): Likewise.
1589         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1590         (add_call_clobber_ops): Likewise.
1591         (add_call_read_ops): Likewise.
1592         (get_asm_expr_operands): Likewise.
1593         * tree-into-ssa.c (dump_decl_set): Likewise.
1594         (update_ssa): Likewise.
1595         * tree-sra.c (scan_function): Likewise.
1596         (decide_instantiations): Likewise.
1597         (scalarize_parms): Likewise.
1598         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1599         (dsa_named_for): Likewise.
1600         * tree-ssa-structalias.c (update_alias_info): Likewise.
1601         (merge_smts_into): Likewise.
1602
1603 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1604
1605         PR fortran/29549
1606         * doc/invoke.texi (-fcx-limited-range): Document new option.
1607         * toplev.c (process_options): Handle -fcx-fortran-rules.
1608         * common.opt: Add documentation for -fcx-fortran-rules.
1609
1610 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1611
1612         PR c/35162
1613         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1614         actual behaviour and C99.
1615         
1616 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1617
1618         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1619         (ASM_CPU_POWER6_SPEC): Likewise.
1620         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1621         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1622         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1623
1624 2008-02-25  Richard Guenther  <rguenther@suse.de>
1625
1626         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1627         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1628         (lookup_decl_from_uid): Declare.
1629         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1630         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1631         (decl_for_uid_map): New global hashtable mapping DECL_UID
1632         to the decl tree.
1633         (init_ttree): Allocate it.
1634         (insert_decl_to_uid_decl_map): New helper function.
1635         (make_node_stat): Insert new decls into the map.
1636         (copy_node_stat): Likewise.
1637         (lookup_decl_from_uid): New function.
1638         (print_decl_for_uid_map_statistics): New helper.
1639         (dump_tree_statistics): Call it.
1640
1641         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1642         (referenced_var_iterator): Adjust.
1643         (FOR_EACH_REFERENCED_VAR): Adjust.
1644         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1645         (num_referenced_vars): Adjust.
1646         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1647         (first_referenced_var): Remove.
1648         (end_referenced_vars_p): Likewise.
1649         (next_referenced_var): Likewise.
1650         (referenced_var_iterator_set): New helper function.
1651         * tree-dfa.c (referenced_var_lookup): Adjust.
1652         (referenced_var_check_and_insert): Likewise.
1653         (remove_referenced_var): Likewise.
1654         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1655         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1656         (verify_call_clobbering): Likewise.
1657         (verify_memory_partitions): Likewise.
1658         (init_tree_ssa): Allocate bitmap instead of hashtable for
1659         referenced_vars.
1660         (delete_tree_ssa): Adjust.
1661         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1662         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1663         (compute_tag_properties): Likewise.
1664         (set_initial_properties): Likewise.
1665         (find_partition_for): Likewise.
1666         (update_reference_counts): Likewise.
1667         (dump_may_aliases_for): Likewise.
1668         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1669         (add_call_clobber_ops): Likewise.
1670         (add_call_read_ops): Likewise.
1671         (get_asm_expr_operands): Likewise.
1672         * tree-into-ssa.c (dump_decl_set): Likewise.
1673         (update_ssa): Likewise.
1674         * tree-sra.c (scan_function): Likewise.
1675         (decide_instantiations): Likewise.
1676         (scalarize_parms): Likewise.
1677         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1678         (dsa_named_for): Likewise.
1679         * tree-ssa-structalias.c (update_alias_info): Likewise.
1680         (merge_smts_into): Likewise.
1681
1682 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1683
1684         PR target/35258
1685         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1686         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1687         * alias.h (nonoverlapping_memrefs_p): Likewise.
1688
1689 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1690
1691         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1692         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1693         __emultls_get_address, __emultls_register_common,
1694         __floatundi?f, and _Unwind_GetIPInfo.
1695         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1696         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1697         (gen_regparm_prefix): Likewise.
1698         (i386_nlm_encode_section_info): Sync with
1699         config/i386/winnt.c:i386_pe_encode_section_info().
1700         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1701         i386_nlm_mangle_decl_assembler_name): New.
1702         (netware_override_options): New.
1703         * config/i386/netware.h (netware_override_options): Declare.
1704         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1705         (i386_nlm_mangle_decl_assembler_name): Declare.
1706         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1707
1708 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1709
1710         PR other/32948
1711         * c-decl.c (grokdeclarator): Remove unused local variables
1712         `typedef_type' and `type_as_written'.
1713         * bb-reorder.c
1714         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1715         unused local variable `has_hot_blocks'.
1716         (fix_crossing_conditional_branches): Remove unused local variable
1717         `prev_bb'.
1718         
1719 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1720
1721         PR middle-end/19984
1722         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1723         using DEF_C99_BUILTIN.
1724         (BUILT_IN_NANF): Ditto.
1725         (BUILT_IN_NANL): Ditto.
1726
1727 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1728             Revital Eres  <eres@il.ibm.com>
1729
1730         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1731         regarding the order of two dependent insns in the same row.
1732
1733 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1734
1735         * stor-layout.c (layout_decl): Do not bump the alignment of a
1736         bit-field to more than byte alignment if it is packed.
1737
1738 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1739
1740         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1741         e300c2 and e300c3.
1742
1743 2008-02-24  Diego Novillo  <dnovillo@google.com>
1744
1745         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1746
1747         PR 33738
1748         * tree-vrp.c (vrp_evaluate_conditional): With
1749         -Wtype-limits, emit a warning when comparing against a
1750         constant outside the natural range of OP0's type.
1751         * c.opt (Wtype-limits): Move ...
1752         * common.opt (Wtype-limits): ... here.
1753
1754 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1755
1756         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1757         * config/rs6000/e300c2c3.md: New file.
1758         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1759         e300c2 and e300c3.
1760         (rs6000_override_options): Add e300c2 and e300c3 cases to
1761         processor_target_table. Do not allow usage of Altivec or Spe
1762         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1763         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1764         * config/rs6000/rs6000.h (processor_type): Add
1765         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1766         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1767         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1768         and ppce300c3. Include e300c2c3.md.
1769
1770 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1771
1772         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1773         instead of TARGET_STRICT_ALIGN.
1774
1775 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1776
1777         * explow.c (memory_address): Assert that the generated address is
1778         valid.
1779
1780 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1781
1782         PR target/25477
1783         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1784         * config/darwin-ppc-ldouble-patch.def: New file.
1785         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1786         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1787         SUBTARGET_INIT_BUILTINS if defined.
1788         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1789         New functions.
1790
1791 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1792
1793         PR rtl-opt/33512
1794         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1795         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1796
1797 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1798
1799         PR pch/35027
1800         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1801         file" warning condtional on -Winvalid-PCH.
1802
1803 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1804
1805         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1806
1807 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1808
1809         PR target/22076
1810         PR target/34256 
1811         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1812         prevent reload from using MMX registers.
1813         (*mov<mode>_internal): Ditto.
1814         (*movv2sf_internal_rex64): Ditto.
1815         (*movv2sf_internal): Ditto.
1816
1817 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1818
1819         PR documentation/31569
1820         * doc/install.texi2html: Use makeinfo --no-number-sections.
1821
1822 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1823
1824         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1825         ensure that we can address an entire entity > 8 bytes.  Don't
1826         generate reg+reg addressing for such data.
1827
1828 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1829
1830         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1831         strings when optimizing for size, unless the target cares about
1832         alignment.
1833
1834 2008-02-22  Tom Tromey  <tromey@redhat.com>
1835
1836         * regclass.c (current_pass): Remove declaration.
1837
1838 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1839
1840         * config/avr/libgcc.S (__RAMPZ__): Define.
1841         (__do_copy_data): Add for devices with 128KB code memory.
1842
1843 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1844
1845         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1846         Use spe_abi.
1847         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1848
1849 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1850
1851         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1852         GENNONACR_REGS.
1853
1854 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1855
1856         PR c/19999
1857         * c-typeck.c (build_binary_op): Warn about floating point
1858         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1859
1860 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1861
1862         PR target/34526
1863         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1864         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1865         add vrsave.
1866         (rs6000_override_options): Set altivec_abi as default, not override,
1867         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1868         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1869         is used; use new member spe_abi.
1870         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1871         spe_abi and altivec_abi.
1872
1873 2008-02-22  Tomas Bily  <tbily@suse.cz>
1874
1875         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1876
1877 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1878
1879         PR bootstrap/35273
1880         * config.build (build_file_translate): Set to `CMD //c' only if
1881         it works.
1882         * Makefile.in (build_file_translate): Improve comment.
1883
1884 2008-02-21  Jan Hubicka  <jh@suse.cz>
1885
1886         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1887         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1888         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1889
1890 2008-02-21  Michael Matz  <matz@suse.de>
1891
1892         PR target/35264
1893         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1894
1895 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1896
1897         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1898         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1899         as insn constraint.
1900         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1901         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1902         SSE_VEC_FLOAT_MODE_P as insn constraint.
1903         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1904         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1905         sse4a_movntdf using MODEF mode iterator.
1906         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1907         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1908         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1909         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1910         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1911         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1912         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1913
1914 2008-02-21  Richard Guenther  <rguenther@suse.de>
1915
1916         * tree.def (PAREN_EXPR): New tree code.
1917         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1918         and PAREN_EXPR.
1919         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1920         * expr.c (expand_expr_real_1): Likewise.
1921         * tree-inline.c (estimate_num_insns_1): Likewise.
1922         * tree-complex.c (expand_complex_move): Likewise.
1923         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1924         as plain x.
1925
1926 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1927
1928         PR target/35225
1929         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1930
1931 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1932
1933         PR target/35190
1934         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1935
1936         * config/sh/sh.c (find_barrier): Don't go past
1937         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1938
1939 2008-02-20  DJ Delorie  <dj@redhat.com>
1940
1941         * config/h8300/h8300.md (insv): Force source operand to be a register.
1942
1943         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1944         as a jump, not as a plain insn.
1945         
1946 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1947
1948         * doc/invoke.texi (Warning Options): Add new option
1949         -Wframe-larger-than=.
1950         (-Wframe-larger-than): Document.
1951
1952         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1953         Add declarations for new option variables.
1954
1955         * final.c (final_start_function): Check the frame size
1956         before emission and issue a Wframe-larger-than warning.
1957
1958         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1959         Add definitions for new option variables.
1960         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1961
1962         * common.opt (Wframe-larger-than=): New option.
1963
1964 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1965
1966         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1967         (<sse>_div<mode>3): Ditto.
1968         (<sse>_vmdiv<mode>3): Ditto.
1969         (<sse>_vmsqrt<mode>2): Ditto.
1970         (*smax<mode>3): Ditto.
1971         (sse5_frcz<mode>2): Ditto.
1972         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1973         as insn constraint.
1974
1975 2008-02-20  Richard Guenther  <rguenther@suse.de>
1976
1977         PR middle-end/35265
1978         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1979         be happy with INTEGRAL_TYPE_P.
1980
1981 2008-02-20  Richard Guenther  <rguenther@suse.de>
1982
1983         * fold-const.c (split_tree): Associate floatig-point expressions
1984         if flag_associative_math is set.
1985
1986 2008-02-20  Richard Guenther  <rguenther@suse.de>
1987
1988         * tree.h (fold_real_zero_addition_p): Declare.
1989         * fold-const.c (fold_real_zero_addition_p): Export.
1990         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1991         floating-point operations with zero and one.
1992
1993 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1994
1995         * doc/install.texi: Correct references to CFLAGS, replacing them
1996         with BOOT_CFLAGS.  Document flags used during bootstrap for
1997         target libraries.
1998                                 
1999 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2000
2001         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2002         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2003         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2004         insn constraint.
2005         (smin<mode>3): Ditto from similar patterns.
2006         (smax<mode>3): Ditto.
2007         (*ieee_smin<mode>3): Ditto.
2008         (*ieee_smax<mode>3): Ditto.
2009         * config/i386/sse.md (sse): New mode attribute.
2010         (mov<mode>): Macroize expander from movv4sf and movv2df using
2011         SSEMODEF2P mode iterator.
2012         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2013         SSE_VEC_FLOAT_MODE_P as insn constraint.
2014         (storent<mode>): Ditto.
2015         (storent<mode>): Macroize expander from storentsf and storentdf using
2016         MODEF mode iterator.
2017         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2018         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2019         (abs<mode>2): Ditto from similar patterns.
2020         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2021         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2022         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2023         (<sse>_vmsqrt<mode>2): Ditto.
2024         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2025         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2026         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2027         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2028         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2029         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2030         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2031         insn constraint.
2032         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2033         iterator and SSE_FLOAT_MODE_P as insn constraint.
2034         (<sse>_ucomi): Ditto from similar patterns.
2035         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2036         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2037         SSE_VEC_FLOAT_MODE_P as insn constraint.
2038         (vcond<mode>): Ditto from similar patterns.
2039         (and<mode>3, *and<mode>3): Ditto.
2040         (<sse>_nand<mode>3): Ditto.
2041         (ior<mode>3, *ior<mode>3): Ditto.
2042         (xor<mode>3, *xor<mode>3): Ditto.
2043         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2044         iterator and SSE_FLOAT_MODE_P as insn constraint.
2045         (*nand<mode>3): Ditto from similar patterns.
2046         (*ior<mode>3): Ditto.
2047         (*xor<mode>3): Ditto.
2048
2049 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2050
2051         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2052         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2053         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2054
2055 2008-02-19  Jan Hubicka  <jh@suse.cz>
2056
2057         * predict.c (tree_bb_level_predictions): Remove variable next
2058         mistakely introduced by previous commit.
2059
2060 2008-02-19  Jan Hubicka  <jh@suse.cz>
2061
2062         * predict.c (predict_paths_leading_to): Rewrite.
2063         (predict_paths_for_bb): New.
2064         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2065
2066 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2067
2068         PR bootstrap/35218
2069         * Makefile.in (build_file_translate): New.
2070         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2071         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2072         * configure.ac (build_file_translate): Substitute it.
2073         * configure: Regenerate.
2074
2075 2008-02-19  Jan Hubicka  <jh@suse.cz>
2076
2077         PR rtl-optimization/34408
2078         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2079         invalid sharing.
2080
2081 2008-02-19  Jan Hubicka  <jh@suse.cz>
2082
2083         PR middle-end/28779
2084         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2085         call_expr.
2086
2087 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2088
2089         PR Ada/35186
2090         * config/i386/i386-modes.def: Revert the last DI alignment
2091         change until Ada people can look into it.
2092
2093 2008-02-19  Nick Clifton  <nickc@redhat.com>
2094
2095         * opts.c (print_specific_help): Fix typo in --help text.
2096
2097 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2098
2099         PR target/35239
2100         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2101         32-bit inline asm without asm alternatives for host GCC < 3.0.
2102
2103 2008-02-19  Richard Guenther  <rguenther@suse.de>
2104
2105         PR tree-optimization/34989
2106         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2107         Allow propagation to INDIRECT_REF if we can simplify only.
2108
2109 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2110
2111         * c-common.c (warn_for_collisions_1): Use appropriate option when
2112         warning.
2113
2114 2008-02-19  Nick Clifton  <nickc@redhat.com>
2115
2116         PR other/31349
2117         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2118         (handle_options): Fix indentation.
2119         (print_filtered_help): If no language-specific options were
2120         displayed tell the user how to list all the options supported by
2121         the language's front-end.
2122         (print_specific_help): Fix indentation and remove duplicate line.
2123         (common_handle_option): Handle the -v option.
2124         For --help enable the display of undocumented options if the -v
2125         switch has been included on the command line.
2126         For --help= check for overlaps in the arguments between the option
2127         classes and the language names and issue a warning when they
2128         cannot be disambiguated.
2129         * c.opt (v): Pass on to the common option handler.
2130
2131 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2132
2133         * modulo-sched.c (sms_schedule): Change dump message when
2134         create_ddg function fails.
2135         (try_scheduling_node_in_cycle): Rename row to cycle.
2136         (print_partial_schedule): Rename CYCLE to ROW.
2137
2138 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2139             Zdenek Dvorak  <ook@ucw.cz>
2140
2141         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2142
2143 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2144
2145         PR target/33555
2146         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2147         (*x86_movdicc_0_m1_se): Ditto.
2148
2149 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2150
2151         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2152         (CMPtype): Define as __gcc_CMPtype.
2153         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2154         (CMPtype): Define as __gcc_CMPtype.
2155
2156 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2157
2158         Support valgrind 3.3 for --enable-checking=valgrind.
2159         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2160         here.
2161         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2162         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2163         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2164         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2165         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2166         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2167         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2168         respectively.
2169         * ggc-zone.c: Similar.
2170         * ggc-page.c: Similar.
2171
2172 2008-02-19  Paul Brook  <paul@codesourcery.com>
2173
2174         PR target/35071
2175         * config/arm/ieee754-df.S: Fix do_it typo.
2176         * config/arm/ieee754-sf.S: Fix do_it typo.
2177
2178 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2179
2180         PR target/35189
2181         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2182         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2183         (OPTION_MASK_ISA_SSE_SET): Likewise.
2184         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2185         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2186         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2187         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2188         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2189         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2190         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2191         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2192         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2193         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2194         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2195         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2196         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2197         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2198         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2199         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2200         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2201         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2202         (OPTION_MASK_ISA_SSE4): Removed.
2203         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2204         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2205         (override_options): Don't turn on implied SSE/MMX bits in
2206         ix86_isa_flags.
2207
2208 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2209
2210         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2211         32bit host.
2212
2213 2008-02-18  Joey Ye  <joey.ye@intel.com>
2214
2215         PR middle-end/34921
2216         * tree-nested.c (insert_field_into_struct): Set type alignment
2217         to field alignment if the former is less than the latter.
2218
2219 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2220
2221         * BASE-VER: Set to 4.4.0.
2222
2223 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2224
2225         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2226         * doc/cfg.texi: Likewise.
2227         * doc/extend.texi: Likewise.
2228         * doc/gty.texi: Likewise.
2229         * doc/invoke.texi: Likewise.
2230         * doc/loop.texi: Likewise.
2231         * doc/md.texi: Likewise.
2232         * doc/passes.texi: Likewise.
2233         * doc/rtl.texi: Likewise.
2234         * doc/sourcebuild.texi: Likewise.
2235         * doc/tm.texi: Likewise.
2236         * doc/tree-ssa.texi: Likewise.
2237
2238 2008-02-17  Richard Guenther  <rguenther@suse.de>
2239
2240         PR middle-end/35227
2241         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2242         without default definition.
2243
2244 2008-02-17  Richard Guenther  <rguenther@suse.de>
2245
2246         PR tree-optimization/35231
2247         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2248         if A | B != 1.
2249
2250 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2251
2252         Revert:
2253
2254         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2255         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2256         libgcc_cmp_return mode.
2257
2258 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2259
2260         PR c/28368
2261         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2262
2263 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2264
2265         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2266         multilibs.
2267
2268 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2269
2270         * doc/c-tree.texi: Use `@.' where appropriate.
2271         * doc/extend.texi: Likewise.
2272         * doc/install.texi: Likewise.
2273         * doc/invoke.texi: Likewise.
2274         * doc/loop.texi: Likewise.
2275         * doc/makefile.texi: Likewise.
2276         * doc/md.texi: Likewise.
2277         * doc/passes.texi: Likewise.
2278         * doc/standards.texi: Likewise.
2279         * doc/tm.texi: Likewise.
2280
2281 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2282
2283         PR middle-end/35196
2284         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2285         in entry_bb.
2286         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2287         rather than in entry_bb.
2288
2289 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2290
2291         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2292         libgcc_cmp_return mode.
2293
2294 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2295
2296         PR middle-end/35130
2297         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2298         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2299
2300 2008-02-15  Richard Guenther  <rguenther@suse.de>
2301             Zdenek Dvorak  <ook@ucw.cz>
2302
2303         PR tree-optimization/35164
2304         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2305         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2306         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2307         Only propagate addresses which do not have abnormal SSA_NAMEs
2308         in their operands.
2309
2310 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2311
2312         PR target/35088
2313         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2314
2315 2008-02-15  Jan Hubicka  <jh@suse.cz>
2316
2317         PR middle-end/35149
2318         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2319
2320 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2321
2322         PR middle-end/34621
2323         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2324         when calculating alignment_pad.
2325
2326 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2327
2328         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2329         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2330         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2331         and STACK_BOUNDARY define.
2332
2333 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2334
2335         PR preprocessor/35061
2336         * c-pragma.c (handle_pragma_pop_macro): Check that
2337         pushed_macro_table has been allocated.
2338
2339 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2340
2341         PR middle-end/35136
2342         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2343         (force_gimple_operand): Likewise.
2344         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2345         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2346         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2347         (find_interesting_uses_address): Check addressability and alignment
2348         of the base expression only after substituting bases of IVs into it.
2349
2350 2008-02-14  Michael Matz  <matz@suse.de>
2351
2352         PR target/34930
2353         * function.c (instantiate_virtual_regs_in_insn): Reload address
2354         before falling back to reloading the whole operand.
2355
2356 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2357
2358         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2359         before the first section switch note.
2360
2361 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2362
2363         * doc/bugreport.texi: Update copyright years.
2364         * doc/c-tree.texi: Likewise.
2365         * doc/cfg.texi: Likewise.
2366         * doc/cpp.texi: Likewise.
2367         * doc/cppinternals.texi: Likewise.
2368         * doc/fragments.texi: Likewise.
2369         * doc/frontends.texi: Likewise.
2370         * doc/gcc.texi: Likewise.
2371         * doc/gty.texi: Likewise.
2372         * doc/hostconfig.texi: Likewise.
2373         * doc/implement-c.texi: Likewise.
2374         * doc/libgcc.texi: Likewise.
2375         * doc/loop.texi: Likewise.
2376         * doc/makefile.texi: Likewise.
2377         * doc/options.texi: Likewise.
2378         * doc/passes.texi: Likewise.
2379         * doc/rtl.texi: Likewise.
2380         * doc/sourcebuild.texi: Likewise.
2381         * doc/standards.texi: Likewise.
2382         * doc/tree-ssa.texi: Likewise.
2383         * doc/trouble.texi: Likewise.
2384
2385         * doc/extend.texi: Use @: or add comma where appropriate.
2386         * doc/invoke.texi: Likewise.
2387         * doc/tm.texi: Likewise.
2388
2389 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2390
2391         PR target/34393
2392         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2393         to a reg.
2394
2395 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2396
2397         * doc/md.texi (clz, ctz): Add reference.
2398         * doc/rtl.texi (clz, ctz): Likewise.
2399
2400 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2401
2402         PR other/35148
2403         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2404         srcdir.
2405
2406 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2407
2408         * config/s390/s390.c (struct constant_pool): New field
2409         emit_pool_after added.
2410         (s390_mainpool_start): Set the emit_pool_after flag according
2411         to the section switch notes.
2412         (s390_mainpool_finish): Consider emit_pool_after when emitting
2413         the literal pool at the end of the function.
2414         (s390_chunkify_start): Force literal pool splits at section
2415         switch notes.
2416
2417 2008-02-13  Michael Matz  <matz@suse.de>
2418
2419         PR debug/35065
2420         * var-tracking.c (clobber_variable_part): Correctly traverse the
2421         list.
2422
2423 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2424
2425         PR 29673
2426         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2427         Add -fdump-ipa-inline.
2428         * tree-dump.c (dump_files): Remove tree-inlined dump.
2429         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2430         
2431 2008-02-12  Richard Guenther  <rguenther@suse.de>
2432
2433         PR tree-optimization/35171
2434         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2435         default defs.
2436
2437 2008-02-12  Richard Guenther  <rguenther@suse.de>
2438
2439         PR middle-end/35163
2440         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2441         value-preserving mode.  Disallow final truncation.
2442
2443 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2444
2445         PR middle-end/35136
2446         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2447         code from here to...
2448         (force_gimple_operand): ...here.
2449
2450 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2451
2452         PR c++/35144
2453         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2454         non-compatible pointers.
2455         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2456         different FIELD_DECLs, try harder by comparing field offsets, sizes
2457         and types.
2458
2459         PR inline-asm/35160
2460         * function.c (match_asm_constraints_1): Don't replace the same input
2461         multiple times.
2462
2463 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2464
2465         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2466         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2467         (expand_epilogue): Restore RAMPZ register.
2468         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2469
2470 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2471
2472         * config/i386/cygwin.asm: (__alloca): Correct calling
2473         convention and alignment.
2474         (__chkstk): Force 8 byte stack alignment.
2475
2476 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2477             Richard Guenther  <rguenther@suse.de>
2478
2479         PR tree-optimization/33992
2480         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2481         the zero we compare against.
2482
2483 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2484
2485         PR libfortran/35063
2486         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2487         to CloseHandle after unlocking to prevent accumulation of handle
2488         count.
2489
2490 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2491
2492         PR middle_end/34150
2493         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2494         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2495         and update LABEL_NUSES during and after reload.
2496
2497 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2498
2499         PR middle-end/34627
2500         * combine.c (simplify_if_then_else): Make sure the comparison is
2501         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2502
2503 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2504
2505         PR bootstrap/35051
2506         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2507         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2508         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2509         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2510         * tree.h (get_type_static_bounds): Likewise.
2511
2512 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2513
2514         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2515         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2516         Make -Wfoo language annotations match what the compiler outputs.
2517
2518 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2519
2520         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2521         intrinsics spu_convts, spu_convtu, spu_convtf.
2522         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2523
2524 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2525
2526         * doc/extend.texi (Function Attributes) <noinline>: Mention
2527         asm ("") as method to keep calls.
2528
2529 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2530
2531         PR other/32754
2532         * doc/options.texi (Options): Replace references to opts.sh with
2533         optc-gen.awk.
2534         * opts-common.c: Likewise.
2535         * optc-gen.awk: Likewise.
2536         
2537 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2538
2539         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2540
2541 2008-02-07  Richard Henderson  <rth@redhat.com>
2542
2543         PR rtl-opt/33410
2544         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2545         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2546         funny mode.
2547
2548 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2549
2550         PR tree-optimization/35085
2551         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2552         for operand entry oe2 in addition to operand entry oe3 in order to
2553         expose more opportunities for vectorizer sum reduction.
2554
2555 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2556
2557         PR other/35107
2558         * Makefile.in (LIBS): Remove $(GMPLIBS).
2559         (cc1-dummy, cc1): Add $(GMPLIBS).
2560
2561 2008-02-06  Jan Hubicka  <jh@suse.cz>
2562
2563         PR target/23322
2564         * i386.md (moddf_integer): Do not produce partial memory stalls for
2565         targets where it hurts.
2566
2567 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2568
2569         PR target/35083
2570         * optabs.c (expand_float): Do not check for decimal modes when
2571         expanding unsigned integer through signed conversion.
2572
2573 2008-02-06  Nick Clifton  <nickc@redhat.com>
2574
2575         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2576         inside the clobber with a match_operand and duplicated operand
2577         number in the constraint.
2578         (ineqbranchsi): Delete redundant comment.
2579
2580 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2581
2582         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2583         builtin_define ("__USE_INIT_FINI__").
2584         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2585         -msx multilibs.
2586         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2587
2588 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2589
2590         PR documentation/30330
2591         * doc/invoke.texi (C++ Dialect Options)
2592         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2593         For each warning option -Wfoo that allows -Wno-foo, ensure both
2594         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2595         entry of -Wswitch-default, index -Wnormalized= including the
2596         `=', and -Wlarger-than-@var{len} including @var{len}.
2597
2598 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2599
2600         * config/i386/i386.md (floatunssisf2): Use
2601         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2602         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2603         Macroize expander using MODEF mode iterator.
2604
2605 2008-02-05  Diego Novillo  <dnovillo@google.com>
2606
2607         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2608
2609         PR 33738
2610         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2611
2612 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2613
2614         PR other/35070
2615         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2616
2617 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2618
2619         PR target/35084
2620         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2621         to indicate if a message should be generated.
2622         (init_cumulative_args): Updated.
2623         (function_value_32): Likewise.
2624
2625 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2626
2627         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2628
2629 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2630
2631         PR target/35083
2632         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2633         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2634
2635 2008-02-04  Diego Novillo  <dnovillo@google.com>
2636
2637         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2638
2639         PR 33738
2640         * tree-vrp.c (vrp_evaluate_conditional): With
2641         -Wtype-limits, emit a warning when comparing against a
2642         constant outside the natural range of OP0's type.
2643
2644 2008-02-04  Richard Guenther  <rguenther@suse.de>
2645
2646         PR middle-end/33631
2647         * expr.c (count_type_elements): Give for unions instead of
2648         guessing.
2649
2650 2008-02-04  Richard Guenther  <rguenther@suse.de>
2651
2652         PR middle-end/35043
2653         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2654         to TYPE_DOMAINs base type instead of using bitsizetype here.
2655
2656 2008-02-03  Jason Merrill  <jason@redhat.com>
2657
2658         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2659
2660 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2661
2662         PR other/29972
2663         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2664         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2665         (RS/6000 and PowerPC Options): Fix typos and markup.
2666         * doc/passes.texi (Tree-SSA passes): Likewise.
2667
2668 2008-02-02  Michael Matz  <matz@suse.de>
2669
2670         PR target/35045
2671         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2672         from record_last_reg_set_info.
2673         (record_last_reg_set_info): Take an RTX argument, iterate over all
2674         constituent hardregs.
2675         (record_last_set_info, record_opr_changes): Change calls to
2676         new signature or to record_last_reg_set_info_regno.
2677
2678 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2679
2680         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2681
2682 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2683
2684         PR rtl-optimization/34773
2685         * reg-notes.def (EQUAL): Mention significance of combination of
2686         REG_EQUAL and REG_RETVAL.
2687         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2688         insn that has a REG_RETVAL.
2689
2690 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2691
2692         PR bootstrap/33781
2693         * configure.ac (--enable-fixed-point): Disable unless explicitly
2694         requested on IRIX.
2695         * configure: Regenerate.
2696
2697 2008-02-01  Richard Guenther  <rguenther@suse.de>
2698
2699         PR other/35042
2700         * invoke.texi (-finline-limit): Remove no longer true parts
2701         of the documentation.  Note that there is no default value.
2702
2703 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2704             Mark Mitchell  <mark@codesourcery.com>
2705             Ben Elliston  <bje@au.ibm.com>
2706
2707         PR c/29326
2708         * doc/extend.texi (Other Builtins): Document.
2709
2710 2008-01-31  Tom Browder <tom.browder@gmail.com>
2711
2712         * doc/c-tree.texi (Types): Fix grammar.
2713         (Expression trees): Ditto.
2714         * doc/passes.texi (Tree-SSA passes): Ditto.
2715         
2716         * doc/configterms.texi (Configure Terms): Fix typo.
2717         * doc/cpp.texi (Common Predefined Macros): Ditto.
2718         * doc/md.texi (Machine Constraints): Ditto.
2719         
2720         * doc/makefile.texi (Makefile): Add comma.
2721
2722 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2723             Gerald Pfeifer  <gerald@pfeifer.com>
2724         
2725         * doc/sourcebuild.texi (Front End): Remove references to CVS
2726         and CVSROOT/modules.
2727         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2728         (Back End): Remove reference to CVS.
2729
2730 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2731
2732         PR target/34900
2733         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2734         comment from...
2735         (mips16_gp_pseudo_reg): ...here.
2736         * config/mips/mips.md (load_const_gp): Replace with...
2737         (load_const_gp_<mode>): ...this :P-based insn.
2738
2739 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2740
2741         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2742         options. Minor fixes.
2743         (-std): Move reference to standards closer to where language
2744         standards are first mentioned.
2745         
2746 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2747
2748         PR rtl-optimization/34995
2749         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2750         parameter and return a bool.  If the rtx parameter is nonnull,
2751         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2752         (find_reloads): Update call accordingly.  Pass the new operand
2753         if it needed no address reloads, otherwise pass null.
2754
2755 2008-01-30  Richard Henderson  <rth@redhat.com>
2756
2757         PR c/34993
2758         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2759         for unbounded arrays.
2760
2761 2008-01-30  Silvius Rus  <rus@google.com>
2762
2763         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2764
2765 2008-01-30  Jan Hubicka  <jh@suse.cz>
2766
2767         PR target/34982
2768         * i386.c (init_cumulative_args): Use real function declaration when
2769         calling locally.
2770
2771 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2772
2773         PR rtl-optimization/34998
2774         * global.c (build_insn_chain): Treat non-subreg_lowpart
2775         SUBREGs of pseudos as clobbering all the words covered by the
2776         SUBREG, not just all the bytes.
2777         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2778         original df_ref rather than an extract parameter.
2779         (global_conflicts): Update call accordingly.
2780
2781 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2782
2783         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2784         the overflow check to make it easier to read.
2785         (__fixtfdi): Change the type of the ll member in union
2786         long_double to UDItype_x.
2787
2788 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2789
2790         PR middle-end/34969
2791         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2792         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2793         * tree-inline.c (fold_marked_statements): Call
2794         cgraph_update_edges_for_call_stmt if folding a call statement.
2795         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2796         debug_generic_stmt calls, reset it back afterwards.
2797
2798         PR c/35017
2799         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2800         static decls.
2801         * c-typeck.c (build_external_ref): Don't pedwarn about
2802         static vars in current function's scope.
2803
2804 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2805
2806         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2807
2808 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2809
2810         PR c/35002
2811         * ipa-struct-reorg.c: Fix spelling.
2812         * params.def: Ditto.
2813
2814 2008-01-29  Richard Guenther  <rguenther@suse.de>
2815
2816         PR middle-end/35006
2817         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2818         field.
2819         * tree-inline.c (remap_type): Increment remapping_type_depth
2820         around remapping types.
2821         (copy_body_r): Only add referenced variables if they are referenced
2822         from code, not types.
2823
2824 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2825
2826         PR c++/34055
2827         PR c++/34103
2828         PR c++/34219
2829         PR c++/34606
2830         PR c++/34753
2831         PR c++/34754
2832         PR c++/34755
2833         PR c++/34919
2834         PR c++/34961
2835         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2836         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2837
2838 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2839
2840         PR target/34412
2841         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
2842         pointer for tiny stack.
2843
2844 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2845
2846         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2847
2848 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2849
2850         * config/vx-common.h: Fix typo in comment.
2851
2852 2008-01-28  Ian Lance Taylor  <iant@google.com>
2853
2854         PR c++/34862
2855         PR c++/33407
2856         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2857         coalesce pointers if they have different DECL_NO_TBAA_P values.
2858         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2859         between variables with different DECL_NO_TBAA_P values.
2860
2861 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2862
2863         PR 31535
2864         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2865         are not legitimate small data references on SPE targets.
2866
2867 2008-01-28  David Daney  <ddaney@avtrex.com>
2868
2869         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2870
2871 2008-01-28  David Daney  <ddaney@avtrex.com>
2872
2873         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2874
2875 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2876
2877         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2878         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2879         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2880         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2881         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2882         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2883         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2884         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2885
2886 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2887
2888         * basic-block.h (condjump_equiv_p): Fix comment.
2889
2890 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2891
2892         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2893         print_generic_stmt_indented): Fix comment.
2894
2895 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2896
2897         * configure.ac (__stack_chk_fail): Add detecion for availability
2898         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2899         * configure: Regenerate.
2900
2901 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2902
2903         PR middle-end/34688
2904         * final.c (output_addr_const): Handle TRUNCATE.
2905
2906 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2907
2908         PR target/34711
2909         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2910         (zero_cost, infinite_cost): New constants.
2911         (struct cost_pair): Change type of cost to comp_cost.
2912         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2913         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2914         New functions.
2915         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2916         split_address_cost, ptr_difference_cost, difference_cost,
2917         get_computation_cost_at, get_computation_cost,
2918         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2919         determine_use_iv_cost_condition, determine_use_iv_costs,
2920         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2921         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2922         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2923         Change type of cost to comp_cost.
2924         (determine_iv_cost): Increase cost of non-original ivs, instead
2925         of decreasing the cost of original ones.
2926         (get_address_cost): Indicate the complexity of the addressing mode 
2927         in comp_cost.
2928         (try_add_cand_for): Prefer using ivs not specific to some object.
2929         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2930
2931 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2932             Janis Johnson  <janis187@us.ibm.com>
2933
2934         PR target/34814
2935         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2936         (TARGET_INSTANTIATE_DECLS): Likewise.
2937         * target.h (expand_to_rtl_hook): New target hook.
2938         (instantiate_decls): Likewise.
2939         * function.c (instantiate_decl): Make non-static.  Rename to...
2940         (instantiate_decl_rtl): ... this.
2941         (instantiate_expr): Use instantiate_decl_rtl.
2942         (instantiate_decls_1): Likewise.
2943         (instantiate_decls): Likewise.
2944         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2945         * function.h (instantiate_decl_rtl): Add prototype.
2946         * cfgexpand.c (target.h): New include.
2947         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2948         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2949         (TARGET_INSTANTIATE_DECLS): Likewise.
2950         (TARGET_INITIALIZER): New target hooks added.
2951         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2952         New prototype.
2953         * config/rs6000/rs6000.c (tree-flow.h): New include.
2954         (machine_function): Add sdmode_stack_slot field.
2955         (rs6000_alloc_sdmode_stack_slot): New function.
2956         (rs6000_instantiate_decls): Likewise.
2957         (rs6000_secondary_memory_needed_rtx): Likewise.
2958         (rs6000_check_sdmode): Likewise.
2959         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2960         (TARGET_INSTANTIATE_DECLS): Likewise.
2961         (rs6000_hard_regno_mode_ok): Allow SDmode.
2962         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2963         (rs6000_emit_move): Handle SDmode.
2964         (function_arg_advance): Likewise.
2965         (function_arg): Likewise.
2966         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2967         SDmode var args for 32-bit compiles.
2968         (rs6000_secondary_reload_class): Handle SDmode.
2969         (rs6000_output_function_epilogue): Likewise.
2970         (rs6000_function_value): Simplify if statement.
2971         (rs6000_libcall_value): Likewise.
2972         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2973         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2974         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2975         (movsd_hardfloat): New define_insn.
2976         (movsd_softfloat): Likewise.
2977         (movsd_store): Likewise.
2978         (movsd_load): Likewise.
2979         (extendsddd2): Likewise.
2980         (extendsdtd2): Likewise.
2981         (truncddsd2): Likewise.
2982         (movdd_hardfloat64): Fixup comment.
2983         (UNSPEC_MOVSD_LOAD): New constant.
2984         (UNSPEC_MOVSD_STORE): Likewise.
2985
2986 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2987
2988         PR c++/34965
2989         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2990         TRUTH_XOR_EXPR.
2991         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2992         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2993         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2994         and TRUTH_XOR_EXPR.
2995
2996 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2997
2998         PR target/34794
2999         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3000         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3001         __LONGDOUBLE128 too.
3002         * config/rs6000/aix61.h: New file.
3003
3004 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3005
3006         PR rtl-optimization/34959
3007         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3008         popcount and parity rtxes the same mode as their operand.
3009         Truncate or extend the result to the return value's mode
3010         if necessary.
3011
3012 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3013
3014         PR target/34981
3015         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3016         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3017         to GOT_VERSION_REGNUM.
3018         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3019         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3020         * config/mips/mips.c (mips_emit_call_insn): New function.
3021         (mips_call_tls_get_addr): Call mips_expand_call directly.
3022         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3023         emit_call_insn.
3024         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3025         (mips_expand_call): Update the call to mips16_build_call_stub
3026         accordingly and a remove redundant condition.  Assert that MIPS16
3027         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3028         the call insn.
3029         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3030         TARGET_USE_GOT.
3031         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3032         (mips_avoid_hazard): Remove hazard_set handling.
3033         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3034         (UNSPEC_RESTORE_GP): ...this.
3035         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3036         (FAKE_CALL_REGNO): Rename to...
3037         (GOT_VERSION_REGNUM): ...this.
3038         (type): Add "ghost" value.  Add an associated insn reservation.
3039         (hazard_set): Remove.
3040         (exception_receiver): Rename to...
3041         (restore_gp): ...this and update the unspec identifier accordingly.
3042         (exception_receiver, nonlocal_got_receiver): New expanders.
3043         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3044         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3045         (set_got_version, update_got_version): New patterns.
3046
3047 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3048
3049         PR target/34970
3050         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3051
3052 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3053
3054         PR other/31955
3055         * doc/install.texi2html: Generate gcc-vers.texi.
3056
3057 2008-01-25  DJ Delorie  <dj@redhat.com>
3058
3059         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3060
3061 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3062
3063         * config/c4x: Remove directory.
3064         * config.gcc (crx-*, mt-*): Mark obsolete.
3065         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3066         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3067         sh-*-rtemscoff*): Remove cases.
3068         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3069         * real.c (encode_c4x_single, decode_c4x_single,
3070         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3071         c4x_extended_format): Remove.
3072         * real.h (c4x_single_format, c4x_extended_format): Remove.
3073         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3074         on C4x.
3075         (Pragmas): Remove comment about c4x pragmas.
3076         * doc/install.texi (c4x): Remove target-specific instructions.
3077         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3078         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3079         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3080         refer to C4x source files as examples.
3081         (C4X_FLOAT_FORMAT): Remove documentation.
3082
3083 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3084
3085         * config/bfin/bfin.c (override_options): Reorder tests so that
3086         flag_pic gets enabled for -msep-data.
3087
3088 2008-01-25  Richard Guenther  <rguenther@suse.de>
3089
3090         PR middle-end/32244
3091         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3092         to its bitfield precision if required.
3093
3094 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3095
3096         PR middle-end/33880
3097         * tree-nested.c (walk_omp_for): New function.
3098         (convert_nonlocal_reference, convert_local_reference): Call
3099         walk_omp_for on OMP_FOR.
3100         (convert_call_expr): Call walk_body on OMP_FOR's
3101         OMP_FOR_PRE_INIT_BODY.
3102
3103 2008-01-25  Richard Guenther  <rguenther@suse.de>
3104
3105         PR tree-optimization/34966
3106         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3107         default defs and PHI_NODEs we have to insert after the
3108         defining statement.
3109
3110 2008-01-24  Nick Clifton  <nickc@redhat.com>
3111
3112         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3113         Provide a default definition.
3114         (LIBGCC2_UNITS_PER_WORD): Likewise.
3115
3116         * config/stormy16/stormy16.c: Include df.h for the prototype
3117         for df_regs_ever_live_p.
3118         (xstormy16_expand_builtin_va_start): Convert the stack offset
3119         into a component_ref and then use POINTER_PLUS_EXPR to add it
3120         to the incoming_virtual_args_rtx.
3121         (xstormy16_gimplify_va_arg_expr): Rename to
3122         xstormy16_gimplify_va_arg_expr.
3123         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3124         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3125         xstormy16_gimplify_va_arg_expr.
3126         Fix up some formatting issues.
3127
3128         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3129         Move to predicates.md.
3130         (xs_hi_general_operand): Likewise.
3131         (xs_hi_nonmemory_operand): Likewise.
3132         * config/stormy16/predicates.md:
3133         (xstormy16_carry_plus_operand): New predicate.
3134         (xs_hi_general_operand): New predicate.
3135         (xs_hi_nonmemory_operand): New predicate.
3136         * config/stormy16/stormy16-protos.h:
3137         (xstormy16_carry_plus_operand): Delete prototype.
3138         (xs_hi_general_operand): Likewise.
3139         (xs_hi_nonmemory_operand): Likewise.
3140
3141         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3142         modifiers as they are no longer needed and they can trigger
3143         reload spill failures.
3144
3145         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3146         with a match_operand in order to help reload.
3147
3148         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3149         constraint with 'e' for the 8th alternative as this version of
3150         the mov.w instruction only accepts the lower 8 registers.
3151
3152 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3153
3154         PR target/34856
3155         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3156         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3157         vector elements.
3158
3159 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3160
3161         PR middle-end/33333
3162         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3163
3164 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3165
3166         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3167         New functions.
3168         (remove_structure): Update allocations list before removing structure.
3169         
3170 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3171
3172         * ipa-struct-reorg.c (is_safe_cond_expr, 
3173         create_new_stmts_for_cond_expr): Use integer_zerop function,
3174         that recognize not only zero-pointer, but zero-integer too.
3175
3176 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3177
3178         PR other/22232
3179         * fixproto: Escape "." in sed expression that strips leading "./".
3180
3181 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3182
3183         PR driver/34904
3184         * gcc.c (SWITCH_OK): Removed.
3185         (SWITCH_LIVE): Changed to bit.
3186         (SWITCH_FALSE): Likewise.
3187         (SWITCH_IGNORE): Likewise.
3188         (switchstr): Change live_cond to unsigned int.
3189         (process_command): Replace SWITCH_OK with 0.
3190         (do_self_spec): Likewise.
3191         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3192         (give_switch): Likewise.
3193         (used_arg): Likewise.
3194         (do_spec_1): Set the SWITCH_IGNORE bit.
3195         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3196         bits.  Set the SWITCH_LIVE bit.
3197
3198 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3199
3200         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3201
3202 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3203
3204         PR tree-optimization/34472
3205         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3206         parameter to a "bool *" and set *DATA to false if there is
3207         an unsafe access.  Do not delete the structure here.
3208         (check_cond_exprs): Delete it here instead.
3209         (check_cond_exprs, exclude_cold_structs): Do not increase
3210         I when removing a structure.
3211
3212 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3213
3214         PR target/34856
3215         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3216         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3217
3218 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3219
3220         PR middle-end/34934
3221         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3222         a fixed vector for stack.
3223
3224 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3225
3226         PR c++/25701
3227         * doc/gcc.texi (Software development): Add a direntry for g++.
3228         
3229 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3230
3231         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3232         stale and straggling -fforce-addr comments above.
3233
3234         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3235         define.
3236         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3237         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3238
3239 2008-01-23  Michael Matz  <matz@suse.de>
3240
3241         PR debug/34895
3242         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3243         gen_type_die.
3244
3245 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3246
3247         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3248         malloc result type.
3249
3250 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3251
3252         * config/avr/avr.c (avr_current_arch): New variable.
3253         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3254         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3255         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3256         (avr_override_options): Init 'avr_current_arch'. 
3257         (base_arch_s): Move from here...
3258         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3259         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3260         'mega' to 'have_jmp_call'.
3261         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3262         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3263         macros.
3264         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3265         architectures.
3266         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3267         MULTILIB_MATCHES): (Ditto.).
3268
3269 2008-01-23  Richard Guenther  <rguenther@suse.de>
3270
3271         PR middle-end/31529
3272         * cgraphunit.c (cgraph_reset_node): Always mark the node
3273         not reachable if it is not queued already.
3274
3275 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3276
3277         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3278         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3279         (cputype_selected): New static variable.
3280         (bfin_handle_option): Set it if -mcpu is used.
3281         (override_option): Select default set of workarounds if no cpu type
3282         selected on the command line.
3283         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3284
3285         From  Michael Frysinger  <michael.frysinger@analog.com>
3286         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3287         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3288
3289         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3290         for bf547, bf523, bf524, and bf526.
3291         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3292         bf526.
3293         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3294         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3295         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3296         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3297         * doc/invoke.texi (Blackfin Options): Document that
3298         -mcpu now accept bf547, bf523, bf524, and bf526.
3299
3300 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3301
3302         PR rtl-optimization/34628
3303         * combine.c (try_combine): Stop and undo after the first combination
3304         if an autoincrement side-effect on the first insn has effectively
3305         been lost.
3306
3307 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3308
3309         PR target/34529
3310         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3311         Offset addresses are not valid for Altivec or paired float modes.
3312
3313 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3314
3315         PR c++/34607
3316         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3317         if DECL_INITIAL (decl) is error_mark_node.
3318
3319         PR c++/34914
3320         * c-common.c (handle_vector_size_attribute): Only allow
3321         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3322         the same way as pointer, array etc. types.
3323         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3324
3325         PR c++/34917
3326         * tree.c (build_type_attribute_qual_variant): Call
3327         build_qualified_type if attributes are equal, but quals are not.
3328
3329 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3330
3331         PR 32102
3332         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3333         * flags.h (warn_strict_aliasing): Remove.
3334         (warn_strict_overflow): Remove.
3335         * opts.c (warn_strict_aliasing): Remove.
3336         (warn_strict_overflow): Remove.
3337         * c-opts.c (c_common_handle_option): -Wall only sets
3338         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3339         (c_common_post_options): Give default values to -Wstrict-aliasing
3340         and -Wstrict-overflow if they are uninitialized.
3341         * common.opt (Wstrict-aliasing): Specify Var and Init.
3342         (Wstrict-overflow): Likewise.
3343
3344 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3345
3346         PR rtl-optimization/26854
3347         PR rtl-optimization/34400
3348         PR rtl-optimization/34884
3349         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3350         DF_RD->gen.
3351         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3352         (df_rd_bb_info.expanded_lr_out): Deleted
3353         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3354         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3355         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3356         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3357         Removed code to allocate, initialize or free expanded_lr_out.
3358         (df_rd_bb_local_compute_process_def): Restructured to make more
3359         understandable.
3360         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3361         sets if the sets are being trimmed.
3362
3363 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3364
3365         PR bootstrap/32287
3366         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3367         (as_vers): Likewise.
3368         * configure: Regenerated.
3369
3370 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3371
3372         PR middle-end/33092
3373         * tree-pass.h (pass_build_alias): New pass.
3374         * tree-ssa-alias.c (gate_build_alias): New.
3375         (pass_build_alias): New.
3376         * passes.c (init_optimization_passes): Add pass_build_alias after
3377         pass_create_structure_vars.
3378
3379 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3380
3381         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3382         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3383         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3384         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3385         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3386         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3387         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3388         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3389         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3390         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3391         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3392         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3393         * config/s390/s390.md (FP_ALL): New mode iterator.
3394         (_d): New mode attribute.
3395         ("*signbit<mode>2>"): Changed mode of first operand.
3396         ("isinf<mode>2"): Changed mode of first operand.
3397         ("*TDC_insn"): Adaptation for DFP modes.
3398
3399 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3400
3401         * tree.c (check_qualified_type): Improve function description.
3402
3403 2008-01-21  Jason Merrill  <jason@redhat.com>
3404
3405         PR c++/34196
3406         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3407         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3408         if it is set.
3409
3410 2008-01-21  DJ Delorie  <dj@redhat.com>
3411
3412         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3413         return zero.
3414
3415 2008-01-21  Richard Guenther  <rguenther@suse.de>
3416
3417         PR middle-end/34856
3418         * tree-cfg.c (verify_expr): Allow all invariant expressions
3419         instead of just constant class ones as reference argument.
3420         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3421         like any other constant.
3422         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3423
3424 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3425
3426         * regmove.c (fixup_match_1): Update call crossed frequencies.
3427
3428 2008-01-21  Richard Guenther  <rguenther@suse.de>
3429
3430         PR c/34885
3431         * tree-inline.c (setup_one_parameter): Deal with mismatched
3432         types using a VIEW_CONVERT_EXPR.
3433
3434 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3435             Olga Golovanevsky  <olga@il.ibm.com>
3436         
3437         PR tree-optimization/34701
3438         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3439         when the structure size is not a power of 2.
3440
3441 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3442
3443         * doc/install.texi: Add doc for --enable-checking=df.
3444         
3445 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3446
3447         PR rtl-optimization/34808
3448         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3449
3450 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3451
3452         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3453         input.
3454
3455 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3456
3457         PR rtl-optimization/26854
3458         PR rtl-optimization/34400
3459         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3460         DF_RD->gen.
3461         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3462         (df_rd_bb_info.expanded_lr_out): New.
3463         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3464         * loop_iv.c (iv_analysis_loop_init): Ditto.
3465         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3466         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3467         Added code to allocate, initialize or free expanded_lr_out.
3468         (df_rd_bb_local_compute_process_def): Restructured to make
3469         more understandable.
3470         (df_rd_confluence_n): Add code to do nothing with fake edges and
3471         code to no apply invalidate_by_call sets if the sets are being trimmed.
3472         (df_lr_local_finalize): Renamed to df_lr_finalize.
3473         (df_live_local_finalize): Renamed to df_live_finalize.
3474
3475 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3476
3477         PR target/34831
3478         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3479         deciding whether to use reciprocal instructions.
3480
3481 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3482
3483         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3484         dwarf2out_note_section_used if cold_text_section is NULL.
3485
3486 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3487
3488         PR gcov-profile/34610
3489         * tree-cfg.c (make_edges): Mark both outgoing edges from
3490         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3491         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3492         from OMP_FOR and OMP_CONTINUE outgoing edges.
3493
3494         * tree-profile.c (tree_profiling): Return early if
3495         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3496         at the end.
3497         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3498         from cfun to child_cfun.
3499         * function.h (struct function): Add after_tree_profile bit.
3500
3501 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3502
3503         * config/avr/avr.S (_exit): Disable interrupt.
3504
3505 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3506             Steven Bosscher  <stevenb.gcc@gmail.com>
3507
3508         PR rtl-optimization/26854
3509         PR rtl-optimization/34400
3510         * df-problems.c (df_live_scratch): New scratch bitmap.
3511         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3512         (df_live_reset): Clear the proper bitmaps.
3513         (df_live_bb_local_compute): Only process the artificial defs once
3514         since the order is not important.
3515         (df_live_init): Init the df_live sets only with the variables
3516         found live by df_lr.
3517         (df_live_transfer_function): Use the df_lr sets to prune the
3518         df_live sets as they are being computed.  
3519         (df_live_free): Free df_live_scratch.
3520
3521 2008-01-18  Ian Lance Taylor  <iant@google.com>
3522
3523         * common.opt: Add fmerge-debug-strings.
3524         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3525         flag_merge_debug_strings rather than flag_merge_constants.
3526         * doc/invoke.texi (Option Summary): Mention
3527         -fmerge-debug-strings.
3528         (Debugging Options): Document -fmerge-debug-strings.
3529
3530 2008-01-18  Ian Lance Taylor  <iant@google.com>
3531
3532         PR c++/33407
3533         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3534         (struct tree_function_decl): Add new field operator_new_flag.
3535         * tree-inline.c (expand_call_inline): When inlining a call to
3536         operator new, force the return value to go into a variable, and
3537         set DECL_NO_TBAA_P on that variable.
3538         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3539
3540 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3541
3542         PR debug/34484
3543         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3544         DWARF2_DEBUGGING_INFO.
3545         (dwarf2out_note_section_used): Ditto.  Add prototype.
3546         (have_multiple_function_sections, text_section_used,
3547         cold_text_section_used, *cold_text_sections): Move declarations
3548         before their uses.
3549
3550 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3551
3552         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3553         field and add signal_ra.
3554         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3555         assignments to frame state pc.  Move end of stack check after
3556         MD_FALLBACK_FRAME_STATE_FOR.
3557         (uw_update_context_1): Use frame state signal_regs if set, instead
3558         of checking signal_frame flag.
3559         (uw_update_context): Use frame state signal_ra if set.
3560         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3561         * config/xtensa/linux-unwind.h: New file.
3562
3563 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3564
3565         * modulo-sched.c (get_sched_window): Fix comment typo.
3566
3567 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3568
3569         PR tree-optimization/34648
3570         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3571
3572 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3573
3574         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3575         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3576
3577 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3578
3579         PR rtl-optimization/34400
3580         * df-core.c (df_worklist_dataflow_overeager,
3581         df_worklist_dataflow_doublequeue): New functions.
3582         (df_worklist_dataflow): Two different worklist solvers.
3583         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3584         New param.
3585
3586 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3587
3588         PR testsuite/34821
3589         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3590         and ftree-parallelize-loops.
3591
3592 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3593
3594         PR rtl-optimization/34826
3595         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3596
3597 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3598
3599         * global.c (find_reg): Mark the eh regs as used if necessary.
3600         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3601         * ra.h (struct allocno): no_eh_reg field added.  Changed
3602         no_stack_reg type to bitfield.
3603
3604 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3605
3606         * tree.c (substitute_in_expr): Add missing 'break'.
3607
3608 2008-01-17  Richard Guenther  <rguenther@suse.de>
3609
3610         PR tree-optimization/34825
3611         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3612         x / x as division to handle.
3613
3614 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3615
3616         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3617         "-pthread" is specified.
3618         * pa-hpux11.h (LIB_SPEC): Likewise.
3619
3620 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3621             Peter Bergner  <bergner@vnet.ibm.com>
3622
3623         PR rtl-optimization/33796
3624         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3625
3626 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3627
3628         PR libgfortran/34699
3629         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3630         static links.
3631         * pa-hpux10.h (LINK_SPEC): Likewise.
3632         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3633
3634 2008-01-16  Richard Guenther  <rguenther@suse.de>
3635
3636         PR middle-end/32628
3637         * fold-const.c (fold_convert_const_int_from_int): Do not
3638         set overflow if that occured only because of a sign extension
3639         change when converting from/to a sizetype with the same
3640         precision and signedness.
3641
3642 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3643
3644         PR debug/34249
3645         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3646         location address to the correct place.  Update copyright year.
3647
3648 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3649
3650         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3651         no dependences in the dependence_relations vector.
3652
3653 2008-01-16  Jan Hubicka  <jh@suse.cz>
3654
3655         PR rtl-optimization/31396
3656         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3657         * cfg.c (dump_reg_info): Print it.
3658         * regs.h (struct reg_info_t): add freq_calls_crossed.
3659         (REG_FREQ_CALLS_CROSSED): New macro.
3660         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3661         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3662         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3663         regmove_optimize): Update call crossed frequencies.
3664         * local-alloc.c (struct qty): Add freq_calls_crossed.
3665         (alloc_qty): Copute freq_calls_crossed.
3666         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3667         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3668         * ra.h (struct allocno): Add freq_calls_crossed.
3669
3670 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3671
3672         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3673         libgomp when compiling with ftree-parallelize-loops.
3674         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3675
3676 2008-01-16  Richard Guenther  <rguenther@suse.de>
3677
3678         PR tree-optimization/34769
3679         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3680         * tree.c (int_cst_value): Instead make this function more
3681         permissive in what it accepts as valid input.  Document this
3682         function always sign-extends the value.
3683
3684 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3685             Richard Guenther  <rguenther@suse.de>
3686
3687         PR c/34668
3688         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3689         (gimple_fold_indirect_ref_rhs): ... this.
3690         (gimple_fold_indirect_ref): New function with foldings
3691         that preserve lvalueness.
3692         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3693         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3694         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3695         to fold an INDIRECT_REF, fall back to the old use of
3696         fold_indirect_ref_1.
3697
3698 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3701         free_conflict_function.
3702         (compute_self_dependence): Same.
3703
3704 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3705
3706         PR debug/34249
3707         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3708         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3709         function global.
3710         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3711         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3712         for DWARF2_UNWIND_INFO targets.
3713
3714 2008-01-16  Richard Guenther  <rguenther@suse.de>
3715
3716         PR c/34768
3717         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3718         type qualifiers for function types.
3719
3720 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3721
3722         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3723         loop_iterator li from previous commit.
3724
3725 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3726
3727         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3728
3729 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3732         (parallelize_loops): Don't parallelize irreducible components.
3733
3734 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3735
3736         PR c++/24924
3737         * c-opts (c_common_post_options): Do not enable CPP
3738         flag_pedantic_errors by default.
3739         
3740 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3741
3742         PR rtl-optimization/31944
3743         * cse.c (remove_pseudo_from_table): New function.
3744         (merge_equiv_classes): Use above function to remove pseudo-registers.
3745         (invalidate): Likewise.
3746
3747 2008-01-13  Richard Guenther  <rguenther@suse.de>
3748
3749         PR middle-end/34601
3750         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3751         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3752
3753 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3754
3755         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3756         validate_change to unshare the source of the PC set.
3757
3758 2008-01-12  Jan Hubicka  <jh@suse.cz>
3759
3760         PR middle-end/32135
3761         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3762         references above array bounds.  This might trigger bounds checks for
3763         pointers to arrays.
3764
3765 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3766
3767         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3768         new_replaceable_dependencies.
3769
3770 2008-01-12  Doug Kwan  <dougkwan@google.com>
3771
3772         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3773         instead of OPT_Wreturn_type in warning due to ignored return type
3774         qualifiers.
3775         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3776         options included in -Wextra.
3777         * c.opt: New option -Wignored_qualifiers.
3778         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3779         -Wignore_qualifiers.
3780         (-Wignored-qualifiers): Document.
3781         (-Wreturn-type): Remove description of functionality now handled
3782         by -Wignored-qualifiers.
3783
3784 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3785
3786         PR ada/33788
3787         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3788         NOP_EXPR if it is between integral types with the same precision.
3789
3790 2008-01-12  Jan Hubicka  <jh@suse.cz>
3791
3792         PR other/28023
3793         * invoke.texi (max-inline-recursive-depth): Fix default value.
3794
3795 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3796
3797         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3798         correct type.
3799
3800 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3801         
3802         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3803         
3804 2008-01-11  James E. Wilson  <wilson@specifix.com>
3805
3806         PR target/26015
3807         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3808
3809 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3810
3811         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3812         save/restore frame pointer register and don't use 'call-prologues' 
3813         optimization in function with "OS_task" attribute.
3814
3815 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3816
3817         PR middle-end/31309
3818         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3819         when copying to memory.
3820
3821 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3822
3823         PR rtl-optimization/30905
3824         * cfgcleanup.c: Include dce.h
3825         (crossjumps_occured): New global variable.
3826         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3827         If something changed, set crossjumps_occured to true.
3828         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3829         Don't add/remove fake edges to exit here...
3830         (cleanup_cfg): ...but do it here, when crossjumping.
3831         Run a fast DCE when successful crossjumps occured in the latest
3832         iteration of try_optimize_cfg.
3833
3834 2008-01-11  Richard Guenther  <rguenther@suse.de>
3835
3836         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3837         (struct vn_unary_op_s): Likewise.
3838         (vn_reference_insert): Free old reference on hash collision.
3839
3840 2008-01-10  Raksit Ashok  <raksit@google.com>
3841
3842         PR rtl-optimization/27971
3843         * combine.c (find_split_point): Split PLUS expressions which are
3844         inside a MEM rtx, and whose first operand is complex.
3845
3846 2008-01-10  DJ Delorie  <dj@redhat.com>
3847
3848         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3849         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3850         (m32c_hard_regno_ok): Call the underlying function.
3851
3852 2008-01-10  Richard Guenther  <rguenther@suse.de>
3853
3854         PR middle-end/34683
3855         * tree-cfg.c (tree_merge_blocks): Do not go through the
3856         full-blown folding and stmt updating path if we just deal
3857         with virtual operands.
3858         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3859         test for abnormal SSA_NAMEs.
3860
3861 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3862
3863         PR middle-end/34641
3864         * reload.c (push_reload): Add assertions.  All constants from
3865         reg_equiv_constant should have been used for replacing the respective
3866         pseudo earlier.
3867         (find_reloads_address): Invoke find_reloads_address_part for
3868         constant taken from the reg_equiv_constant array.
3869
3870 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3871
3872         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3873         field (valnum) the first in the struct.  Replace bools with
3874         unit bit fields.
3875
3876 2008-01-10  Richard Guenther  <rguenther@suse.de>
3877
3878         PR tree-optimization/34651
3879         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3880         types and ordering for masking and converting.
3881
3882 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3883
3884         PR tree-optimization/34017
3885         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3886         also for PHI_NODE expressions.
3887
3888 2008-01-09  Jan Hubicka  <jh@suse.cz>
3889
3890         PR tree-optimization/34708
3891         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3892         based on number of case labels.
3893         (init_inline_once): Remove switch_cost.
3894         * tree-inline.h (eni_weights_d): Remove switch_cost.
3895
3896 2008-01-09  Richard Guenther  <rguenther@suse.de>
3897         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3898
3899         PR middle-end/30132
3900         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3901         temporary if an rvalue is ok or an lvalue is not required.
3902
3903 2008-01-09  Richard Guenther  <rguenther@suse.de>
3904
3905         PR middle-end/34458
3906         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3907         adjust return type.
3908
3909 2008-01-09  Richard Guenther  <rguenther@suse.de>
3910
3911         PR middle-end/34679
3912         * tree.c (host_integerp): Check for sizetype only if the
3913         type is an integer type.
3914
3915 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3916
3917         PR debug/26364
3918         * opts.c (decode_options): Disable inlining of functions called
3919         once if not in unit-at-a-time mode.
3920
3921 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3922
3923         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3924
3925 2008-01-08  Richard Guenther  <rguenther@suse.de>
3926
3927         PR middle-end/31863
3928         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3929         out early if the result will be unused.
3930
3931 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3932
3933         PR target/34709
3934         Revert:
3935
3936         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3937         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3938         for TARGET_RECIP.       
3939         
3940 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3941         
3942         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3943         for vectorization tuned.
3944         
3945 2008-01-08  Richard Guenther  <rguenther@suse.de>
3946
3947         PR tree-optimization/34683
3948         * tree-ssa-operands.c (operand_build_cmp): Export.
3949         * tree-ssa-operands.h (operand_build_cmp): Declare.
3950         * tree-vn.c (vuses_compare): Remove.
3951         (sort_vuses): Use operand_build_cmp.
3952         (sort_vuses_heap): Likewise.
3953         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3954         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3955         (vdefs_to_vec): Do not sort already sorted VDEFs.
3956
3957 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3958
3959         PR middle-end/34694
3960         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3961
3962 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3963
3964         PR target/34702
3965         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3966         limitations of reciprocal sequences on x86 targets.
3967
3968 2008-01-08  Richard Guenther  <rguenther@suse.de>
3969
3970         PR tree-optimization/34683
3971         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3972
3973 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3974
3975         PR target/34622
3976         * config/darwin.c (darwin_mergeable_string_section): Don't use
3977         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3978
3979 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3980
3981         PR target/34682
3982         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3983         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3984         predicates of op0 and op1 to register_operand.
3985         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3986         expander using X87MODEF mode iterator.  Change predicates of
3987         op0 and op1 to register_operand.
3988         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3989         corresponding patterns and macroize using MODEF macro.  Change
3990         predicates of op0 and op1 to register_operand and remove
3991         "m" constraint. Disparage "r" alternative with "!".
3992         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3993         macroize using X87MODEF macro.  Change predicates of op0 and op1
3994         to register_operand and remove "m" constraint.  Disparage "r"
3995         alternative with "!".
3996         (absneg splitter with memory operands): Remove.
3997         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3998         patterns and macroize using X87MODEF mode iterator.
3999         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4000         Change predicate of op1 to register_operand.
4001         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4002         for memory operands.
4003
4004 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4005
4006         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4007
4008 2008-01-07  Richard Guenther  <rguenther@suse.de>
4009
4010         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4011         fields.
4012
4013 2008-01-07  Richard Guenther  <rguenther@suse.de>
4014
4015         PR tree-optimization/34683
4016         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4017         VOPs of the needed size to save memory.  Use VEC_quick_push
4018         to save compile-time.
4019         (vdefs_to_vec): Likewise.
4020
4021 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4022
4023         * config/spu/spu.md (divdf3): Genetate inline code for double
4024         division.  The implementation doesn't handle INF or NAN, therefore it
4025         only applies when -ffinite-math-only is given.
4026
4027 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4028
4029         PR libstdc++/34680
4030         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4031         * doc/cpp.texi ([Common Predefined Macros]): Document.
4032
4033 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4034
4035         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4036         order to use commutative addition instead of subtraction.
4037
4038 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4039             Mircea Namolaru  <namolaru@il.ibm.com>
4040             Vladimir Yanovsky  <yanov@il.ibm.com>
4041             Revital Eres  <eres@il.ibm.com>
4042
4043         PR tree-optimization/34263
4044         * tree-outof-ssa.c (process_single_block_loop_latch,
4045         contains_tree_r): New functions.
4046         (analyze_edges_for_bb): Call process_single_block_loop_latch
4047         function to empty single-basic-block latch block if possible.
4048
4049 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4050
4051         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4052         for TARGET_RECIP.
4053         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4054
4055 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4056
4057         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4058
4059 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4060
4061         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4062
4063 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4064
4065         PR tree-optimization/34618
4066         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4067         flag from T.
4068
4069 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4070
4071         PR target/34673
4072         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4073         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4074         Update copyright year.
4075
4076         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4077         Update copyright year.
4078         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4079         using NR fixup.
4080
4081 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4082
4083         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4084         edge does not point to current bb before changing need_assert.
4085
4086 2008-01-04  Richard Guenther  <rguenther@suse.de>
4087
4088         PR middle-end/34029
4089         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4090         for verifying purposes if they are is_gimple_min_invariant.
4091
4092 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4093
4094         PR tree-optimization/34448
4095         PR tree-optimization/34465
4096         * gimplify.c (gimplify_init_constructor): Add new parameter
4097         notify_temp_creation.  Use it.
4098         (gimplify_modify_expr_rhs): Take volatiles into account when
4099         optimizing constructors.
4100         Do not optimize constructors if gimplify_init_constructor will dump to
4101         memory.
4102         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4103         * gcc.c-torture/compile/pr34448.c: New.
4104
4105 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4106
4107         PR gcov-profile/34609
4108         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4109         return_slot if result is TREE_ADDRESSABLE.
4110
4111 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4112
4113         * config/mips/mips.md (sqrt_condition): Tweak comment.
4114         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4115
4116 2008-01-03  Tom Tromey  <tromey@redhat.com>
4117
4118         PR c/34457
4119         * c-common.c (c_type_hash): Handle VLAs.
4120
4121 2008-01-03  Jan Hubicka  <jh@suse.cz>
4122
4123         PR tree-optimization/31081
4124         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4125         0 when inlining and not inlining to first basic block.
4126         (remap_decl): When var is initialized to 0, don't set default_def.
4127         (expand_call_inline): Set entry_bb.
4128         * tree-inline.h (copy_body_data): Add entry_bb.
4129
4130 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4131
4132         PR c++/34619
4133         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4134         before returning.
4135
4136         PR tree-optimization/29484
4137         * tree-inline.c (inline_forbidden_p_2): New function.
4138         (inline_forbidden_p): Disallow inlining if some static var
4139         has an address of a local LABEL_DECL in its initializer.
4140         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4141         vs. inlining.
4142
4143 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4144
4145         PR tree-optimization/34635
4146         * tree-data-ref.c (add_other_self_distances): Make sure that the
4147         evolution step is constant.
4148
4149 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4150
4151         PR middle-end/34608
4152         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4153
4154 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4155
4156         * tree-sra.c (scalarize_init): Insert the generate_element_init
4157         statements after the generate_element_zero statements.
4158
4159 2008-01-02  Richard Guenther  <rguenther@suse.de>
4160
4161         PR middle-end/34093
4162         PR middle-end/31976
4163         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4164         for very large number of operands instead of ICEing.
4165
4166 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4167
4168         PR target/34013
4169         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4170         while stack probing.
4171
4172 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4173
4174         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4175         in C++0x mode.
4176
4177 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4178
4179         PR libmudflap/26442
4180         * tree-mudflap.c (mx_register_decls): Guard warning by
4181         !DECL_ARTIFICIAL check.
4182
4183 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4184
4185         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4186         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4187         sse5_perm<mode>): Fix constraints.